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refactor(ui): 重构提醒功能相关的代码

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- 优化了 AlarmAlertActivity 类的结构和逻辑- 重新组织了代码，增加了注释说明
- 改进了 DateTimePicker 和 DateTimePickerDialog 类的实现
- 调整了 AlarmInitReceiver 和 AlarmReceiver 的逻辑
guoyuqing
2378501413 7 months ago
parent e7cd9a48ae
commit 8ad1e766ad
14 changed files with 1240 additions and 1994 deletions
Show Stats Download Patch File Download Diff File

64
src/net/micode/notes/ui/AlarmAlertActivity.java
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@ -20,8 +20,6 @@ import android.app.Activity;
import android.app.AlertDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.content.DialogInterface.OnClickListener;
import android.content.DialogInterface.OnDismissListener;
import android.content.Intent;
import android.media.AudioManager;
import android.media.MediaPlayer;
@ -39,13 +37,20 @@ import net.micode.notes.tool.DataUtils;
import java.io.IOException;
public class AlarmAlertActivity extends Activity implements OnClickListener, OnDismissListener {
private long mNoteId;
private String mSnippet;
private static final int SNIPPET_PREW_MAX_LEN = 60;
MediaPlayer mPlayer;
/**
* AlarmAlertActivity 类用于处理笔记提醒的弹窗和声音播放。
*/
public class AlarmAlertActivity extends Activity implements DialogInterface.OnClickListener, DialogInterface.OnDismissListener {
private long mNoteId; // 笔记ID
private String mSnippet; // 笔记摘要
private static final int SNIPPET_PREW_MAX_LEN = 60; // 摘要最大长度
MediaPlayer mPlayer; // 媒体播放器
/**
* 创建并初始化活动。
*
* @param savedInstanceState 保存的实例状态
*/
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
@ -76,18 +81,26 @@ public class AlarmAlertActivity extends Activity implements OnClickListener, OnD
mPlayer = new MediaPlayer();
if (DataUtils.visibleInNoteDatabase(getContentResolver(), mNoteId, Notes.TYPE_NOTE)) {
showActionDialog();
playAlarmSound();
showActionDialog(); // 显示操作对话框
playAlarmSound(); // 播放提醒声音
} else {
finish();
}
}
/**
* 检查屏幕是否亮着。
*
* @return 屏幕是否亮着
*/
private boolean isScreenOn() {
PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
return pm.isScreenOn();
}
/**
* 播放提醒声音。
*/
private void playAlarmSound() {
Uri url = RingtoneManager.getActualDefaultRingtoneUri(this, RingtoneManager.TYPE_ALARM);
@ -104,21 +117,14 @@ public class AlarmAlertActivity extends Activity implements OnClickListener, OnD
mPlayer.prepare();
mPlayer.setLooping(true);
mPlayer.start();
} catch (IllegalArgumentException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (SecurityException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IllegalStateException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
} catch (IllegalArgumentException | SecurityException | IllegalStateException | IOException e) {
e.printStackTrace();
}
}
/**
* 显示操作对话框。
*/
private void showActionDialog() {
AlertDialog.Builder dialog = new AlertDialog.Builder(this);
dialog.setTitle(R.string.app_name);
@ -130,6 +136,12 @@ public class AlarmAlertActivity extends Activity implements OnClickListener, OnD
dialog.show().setOnDismissListener(this);
}
/**
* 处理对话框按钮点击事件。
*
* @param dialog 对话框接口
* @param which 点击的按钮
*/
public void onClick(DialogInterface dialog, int which) {
switch (which) {
case DialogInterface.BUTTON_NEGATIVE:
@ -143,11 +155,19 @@ public class AlarmAlertActivity extends Activity implements OnClickListener, OnD
}
}
/**
* 处理对话框关闭事件。
*
* @param dialog 对话框接口
*/
public void onDismiss(DialogInterface dialog) {
stopAlarmSound();
finish();
}
/**
* 停止提醒声音。
*/
private void stopAlarmSound() {
if (mPlayer != null) {
mPlayer.stop();

181
src/net/micode/notes/ui/AlarmInitReceiver.java
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@ -16,50 +16,163 @@
package net.micode.notes.ui;
import android.app.AlarmManager;
import android.app.PendingIntent;
import android.content.BroadcastReceiver;
import android.content.ContentUris;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.database.Cursor;
import android.media.AudioManager;
import android.media.MediaPlayer;
import android.media.RingtoneManager;
import android.net.Uri;
import android.os.Bundle;
import android.os.PowerManager;
import android.provider.Settings;
import android.view.Window;
import android.view.WindowManager;
import net.micode.notes.R;
import net.micode.notes.data.Notes;
import net.micode.notes.data.Notes.NoteColumns;
import net.micode.notes.tool.DataUtils;
import java.io.IOException;
public class AlarmInitReceiver extends BroadcastReceiver {
/**
* AlarmAlertActivity 类用于处理笔记提醒的弹窗和声音播放。
*/
public class AlarmAlertActivity extends Activity implements DialogInterface.OnClickListener, DialogInterface.OnDismissListener {
private long mNoteId; // 笔记ID
private String mSnippet; // 笔记摘要
private static final int SNIPPET_PREW_MAX_LEN = 60; // 摘要最大长度
MediaPlayer mPlayer; // 媒体播放器
private static final String [] PROJECTION = new String [] {
NoteColumns.ID,
NoteColumns.ALERTED_DATE
};
/**
* 创建并初始化活动。
*
* @param savedInstanceState 保存的实例状态
*/
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
requestWindowFeature(Window.FEATURE_NO_TITLE);
private static final int COLUMN_ID = 0;
private static final int COLUMN_ALERTED_DATE = 1;
final Window win = getWindow();
win.addFlags(WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED);
@Override
public void onReceive(Context context, Intent intent) {
long currentDate = System.currentTimeMillis();
Cursor c = context.getContentResolver().query(Notes.CONTENT_NOTE_URI,
PROJECTION,
NoteColumns.ALERTED_DATE + ">? AND " + NoteColumns.TYPE + "=" + Notes.TYPE_NOTE,
new String[] { String.valueOf(currentDate) },
null);
if (c != null) {
if (c.moveToFirst()) {
do {
long alertDate = c.getLong(COLUMN_ALERTED_DATE);
Intent sender = new Intent(context, AlarmReceiver.class);
sender.setData(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, c.getLong(COLUMN_ID)));
PendingIntent pendingIntent = PendingIntent.getBroadcast(context, 0, sender, 0);
AlarmManager alermManager = (AlarmManager) context
.getSystemService(Context.ALARM_SERVICE);
alermManager.set(AlarmManager.RTC_WAKEUP, alertDate, pendingIntent);
} while (c.moveToNext());
if (!isScreenOn()) {
win.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON
| WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON
| WindowManager.LayoutParams.FLAG_ALLOW_LOCK_WHILE_SCREEN_ON
| WindowManager.LayoutParams.FLAG_LAYOUT_INSET_DECOR);
}
Intent intent = getIntent();
try {
mNoteId = Long.valueOf(intent.getData().getPathSegments().get(1));
mSnippet = DataUtils.getSnippetById(this.getContentResolver(), mNoteId);
mSnippet = mSnippet.length() > SNIPPET_PREW_MAX_LEN ? mSnippet.substring(0,
SNIPPET_PREW_MAX_LEN) + getResources().getString(R.string.notelist_string_info)
: mSnippet;
} catch (IllegalArgumentException e) {
e.printStackTrace();
return;
}
mPlayer = new MediaPlayer();
if (DataUtils.visibleInNoteDatabase(getContentResolver(), mNoteId, Notes.TYPE_NOTE)) {
showActionDialog(); // 显示操作对话框
playAlarmSound(); // 播放提醒声音
} else {
finish();
}
c.close();
}
/**
* 检查屏幕是否亮着。
*
* @return 屏幕是否亮着
*/
private boolean isScreenOn() {
PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
return pm.isScreenOn();
}
/**
* 播放提醒声音。
*/
private void playAlarmSound() {
Uri url = RingtoneManager.getActualDefaultRingtoneUri(this, RingtoneManager.TYPE_ALARM);
int silentModeStreams = Settings.System.getInt(getContentResolver(),
Settings.System.MODE_RINGER_STREAMS_AFFECTED, 0);
if ((silentModeStreams & (1 << AudioManager.STREAM_ALARM)) != 0) {
mPlayer.setAudioStreamType(silentModeStreams);
} else {
mPlayer.setAudioStreamType(AudioManager.STREAM_ALARM);
}
try {
mPlayer.setDataSource(this, url);
mPlayer.prepare();
mPlayer.setLooping(true);
mPlayer.start();
} catch (IllegalArgumentException | SecurityException | IllegalStateException | IOException e) {
e.printStackTrace();
}
}
/**
* 显示操作对话框。
*/
private void showActionDialog() {
AlertDialog.Builder dialog = new AlertDialog.Builder(this);
dialog.setTitle(R.string.app_name);
dialog.setMessage(mSnippet);
dialog.setPositiveButton(R.string.notealert_ok, this);
if (isScreenOn()) {
dialog.setNegativeButton(R.string.notealert_enter, this);
}
dialog.show().setOnDismissListener(this);
}
/**
* 处理对话框按钮点击事件。
*
* @param dialog 对话框接口
* @param which 点击的按钮
*/
public void onClick(DialogInterface dialog, int which) {
switch (which) {
case DialogInterface.BUTTON_NEGATIVE:
Intent intent = new Intent(this, NoteEditActivity.class);
intent.setAction(Intent.ACTION_VIEW);
intent.putExtra(Intent.EXTRA_UID, mNoteId);
startActivity(intent);
break;
default:
break;
}
}
/**
* 处理对话框关闭事件。
*
* @param dialog 对话框接口
*/
public void onDismiss(DialogInterface dialog) {
stopAlarmSound();
finish();
}
/**
* 停止提醒声音。
*/
private void stopAlarmSound() {
if (mPlayer != null) {
mPlayer.stop();
mPlayer.release();
mPlayer = null;
}
}
}

13
src/net/micode/notes/ui/AlarmReceiver.java
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@ -20,11 +20,24 @@ import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
/**
* AlarmReceiver 类用于接收闹钟提醒广播，并启动提醒活动（AlarmAlertActivity）。
*/
public class AlarmReceiver extends BroadcastReceiver {
/**
* 当接收到广播时调用此方法，启动提醒活动。
*
* @param context 上下文环境
* @param intent 接收到的广播意图
*/
@Override
public void onReceive(Context context, Intent intent) {
// 设置要启动的目标 Activity 为 AlarmAlertActivity
intent.setClass(context, AlarmAlertActivity.class);
// 添加标志以确保在新的任务栈中启动 Activity
intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
// 启动目标 Activity
context.startActivity(intent);
}
}

551
src/net/micode/notes/ui/DateTimePicker.java
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@ -1,17 +1,13 @@
/*
* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
* 版权所有 (c) 2010-2011，MiCode 开源社区 (www.micode.net)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* 根据 Apache License 2.0 版本授权（以下简称“许可证”）；
* 您不能使用此文件，除非符合许可证的规定。您可以通过以下链接获取许可证副本：
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* 除非适用法律有要求或书面同意，否则根据许可证分发的软件按“原样”分发，
* 不附带任何明示或暗示的担保或条件。请参阅许可证以了解具体的许可和限制。
*/
package net.micode.notes.ui;
@ -21,465 +17,200 @@ import java.util.Calendar;
import net.micode.notes.R;
import android.content.Context;
import android.text.format.DateFormat;
import android.view.View;
import android.widget.FrameLayout;
import android.widget.NumberPicker;
/**
* DateTimePicker 是一个自定义的日期时间选择器控件，继承自 FrameLayout。
* 它允许用户选择日期、小时、分钟以及 AM/PM 或 24 小时制。
*/
public class DateTimePicker extends FrameLayout {
// 默认启用状态
private static final boolean DEFAULT_ENABLE_STATE = true;
private static final int HOURS_IN_HALF_DAY = 12;
private static final int HOURS_IN_ALL_DAY = 24;
private static final int DAYS_IN_ALL_WEEK = 7;
private static final int DATE_SPINNER_MIN_VAL = 0;
private static final int DATE_SPINNER_MAX_VAL = DAYS_IN_ALL_WEEK - 1;
private static final int HOUR_SPINNER_MIN_VAL_24_HOUR_VIEW = 0;
private static final int HOUR_SPINNER_MAX_VAL_24_HOUR_VIEW = 23;
private static final int HOUR_SPINNER_MIN_VAL_12_HOUR_VIEW = 1;
private static final int HOUR_SPINNER_MAX_VAL_12_HOUR_VIEW = 12;
private static final int MINUT_SPINNER_MIN_VAL = 0;
private static final int MINUT_SPINNER_MAX_VAL = 59;
private static final int AMPM_SPINNER_MIN_VAL = 0;
private static final int AMPM_SPINNER_MAX_VAL = 1;
private final NumberPicker mDateSpinner;
private final NumberPicker mHourSpinner;
private final NumberPicker mMinuteSpinner;
private final NumberPicker mAmPmSpinner;
private Calendar mDate;
private String[] mDateDisplayValues = new String[DAYS_IN_ALL_WEEK];
private boolean mIsAm;
private boolean mIs24HourView;
private boolean mIsEnabled = DEFAULT_ENABLE_STATE;
private boolean mInitialising;
private OnDateTimeChangedListener mOnDateTimeChangedListener;
private NumberPicker.OnValueChangeListener mOnDateChangedListener = new NumberPicker.OnValueChangeListener() {
@Override
public void onValueChange(NumberPicker picker, int oldVal, int newVal) {
mDate.add(Calendar.DAY_OF_YEAR, newVal - oldVal);
updateDateControl();
onDateTimeChanged();
}
};
private NumberPicker.OnValueChangeListener mOnHourChangedListener = new NumberPicker.OnValueChangeListener() {
@Override
public void onValueChange(NumberPicker picker, int oldVal, int newVal) {
boolean isDateChanged = false;
Calendar cal = Calendar.getInstance();
if (!mIs24HourView) {
if (!mIsAm && oldVal == HOURS_IN_HALF_DAY - 1 && newVal == HOURS_IN_HALF_DAY) {
cal.setTimeInMillis(mDate.getTimeInMillis());
cal.add(Calendar.DAY_OF_YEAR, 1);
isDateChanged = true;
} else if (mIsAm && oldVal == HOURS_IN_HALF_DAY && newVal == HOURS_IN_HALF_DAY - 1) {
cal.setTimeInMillis(mDate.getTimeInMillis());
cal.add(Calendar.DAY_OF_YEAR, -1);
isDateChanged = true;
}
if (oldVal == HOURS_IN_HALF_DAY - 1 && newVal == HOURS_IN_HALF_DAY ||
oldVal == HOURS_IN_HALF_DAY && newVal == HOURS_IN_HALF_DAY - 1) {
mIsAm = !mIsAm;
updateAmPmControl();
}
} else {
if (oldVal == HOURS_IN_ALL_DAY - 1 && newVal == 0) {
cal.setTimeInMillis(mDate.getTimeInMillis());
cal.add(Calendar.DAY_OF_YEAR, 1);
isDateChanged = true;
} else if (oldVal == 0 && newVal == HOURS_IN_ALL_DAY - 1) {
cal.setTimeInMillis(mDate.getTimeInMillis());
cal.add(Calendar.DAY_OF_YEAR, -1);
isDateChanged = true;
}
}
int newHour = mHourSpinner.getValue() % HOURS_IN_HALF_DAY + (mIsAm ? 0 : HOURS_IN_HALF_DAY);
mDate.set(Calendar.HOUR_OF_DAY, newHour);
onDateTimeChanged();
if (isDateChanged) {
setCurrentYear(cal.get(Calendar.YEAR));
setCurrentMonth(cal.get(Calendar.MONTH));
setCurrentDay(cal.get(Calendar.DAY_OF_MONTH));
}
}
};
private NumberPicker.OnValueChangeListener mOnMinuteChangedListener = new NumberPicker.OnValueChangeListener() {
@Override
public void onValueChange(NumberPicker picker, int oldVal, int newVal) {
int minValue = mMinuteSpinner.getMinValue();
int maxValue = mMinuteSpinner.getMaxValue();
int offset = 0;
if (oldVal == maxValue && newVal == minValue) {
offset += 1;
} else if (oldVal == minValue && newVal == maxValue) {
offset -= 1;
}
if (offset != 0) {
mDate.add(Calendar.HOUR_OF_DAY, offset);
mHourSpinner.setValue(getCurrentHour());
updateDateControl();
int newHour = getCurrentHourOfDay();
if (newHour >= HOURS_IN_HALF_DAY) {
mIsAm = false;
updateAmPmControl();
} else {
mIsAm = true;
updateAmPmControl();
}
}
mDate.set(Calendar.MINUTE, newVal);
onDateTimeChanged();
}
};
private NumberPicker.OnValueChangeListener mOnAmPmChangedListener = new NumberPicker.OnValueChangeListener() {
@Override
public void onValueChange(NumberPicker picker, int oldVal, int newVal) {
mIsAm = !mIsAm;
if (mIsAm) {
mDate.add(Calendar.HOUR_OF_DAY, -HOURS_IN_HALF_DAY);
} else {
mDate.add(Calendar.HOUR_OF_DAY, HOURS_IN_HALF_DAY);
}
updateAmPmControl();
onDateTimeChanged();
}
};
public interface OnDateTimeChangedListener {
void onDateTimeChanged(DateTimePicker view, int year, int month,
int dayOfMonth, int hourOfDay, int minute);
}
public DateTimePicker(Context context) {
this(context, System.currentTimeMillis());
}
public DateTimePicker(Context context, long date) {
this(context, date, DateFormat.is24HourFormat(context));
}
public DateTimePicker(Context context, long date, boolean is24HourView) {
super(context);
mDate = Calendar.getInstance();
mInitialising = true;
mIsAm = getCurrentHourOfDay() >= HOURS_IN_HALF_DAY;
inflate(context, R.layout.datetime_picker, this);
mDateSpinner = (NumberPicker) findViewById(R.id.date);
mDateSpinner.setMinValue(DATE_SPINNER_MIN_VAL);
mDateSpinner.setMaxValue(DATE_SPINNER_MAX_VAL);
mDateSpinner.setOnValueChangedListener(mOnDateChangedListener);
mHourSpinner = (NumberPicker) findViewById(R.id.hour);
mHourSpinner.setOnValueChangedListener(mOnHourChangedListener);
mMinuteSpinner = (NumberPicker) findViewById(R.id.minute);
mMinuteSpinner.setMinValue(MINUT_SPINNER_MIN_VAL);
mMinuteSpinner.setMaxValue(MINUT_SPINNER_MAX_VAL);
mMinuteSpinner.setOnLongPressUpdateInterval(100);
mMinuteSpinner.setOnValueChangedListener(mOnMinuteChangedListener);
String[] stringsForAmPm = new DateFormatSymbols().getAmPmStrings();
mAmPmSpinner = (NumberPicker) findViewById(R.id.amPm);
mAmPmSpinner.setMinValue(AMPM_SPINNER_MIN_VAL);
mAmPmSpinner.setMaxValue(AMPM_SPINNER_MAX_VAL);
mAmPmSpinner.setDisplayedValues(stringsForAmPm);
mAmPmSpinner.setOnValueChangedListener(mOnAmPmChangedListener);
// update controls to initial state
updateDateControl();
updateHourControl();
updateAmPmControl();
set24HourView(is24HourView);
// set to current time
setCurrentDate(date);
setEnabled(isEnabled());
// set the content descriptions
mInitialising = false;
}
@Override
public void setEnabled(boolean enabled) {
if (mIsEnabled == enabled) {
return;
}
super.setEnabled(enabled);
mDateSpinner.setEnabled(enabled);
mMinuteSpinner.setEnabled(enabled);
mHourSpinner.setEnabled(enabled);
mAmPmSpinner.setEnabled(enabled);
mIsEnabled = enabled;
}
@Override
public boolean isEnabled() {
return mIsEnabled;
}
/**
* Get the current date in millis
// 常量定义
private static final int HOURS_IN_HALF_DAY = 12; // 半天的小时数
private static final int HOURS_IN_ALL_DAY = 24; // 一天的总小时数
private static final in/*
* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
*
* @return the current date in millis
*/
public long getCurrentDateInTimeMillis() {
return mDate.getTimeInMillis();
}
/**
* Set the current date
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* @param date The current date in millis
*/
public void setCurrentDate(long date) {
Calendar cal = Calendar.getInstance();
cal.setTimeInMillis(date);
setCurrentDate(cal.get(Calendar.YEAR), cal.get(Calendar.MONTH), cal.get(Calendar.DAY_OF_MONTH),
cal.get(Calendar.HOUR_OF_DAY), cal.get(Calendar.MINUTE));
}
/**
* Set the current date
* http://www.apache.org/licenses/LICENSE-2.0
*
* @param year The current year
* @param month The current month
* @param dayOfMonth The current dayOfMonth
* @param hourOfDay The current hourOfDay
* @param minute The current minute
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
public void setCurrentDate(int year, int month,
int dayOfMonth, int hourOfDay, int minute) {
setCurrentYear(year);
setCurrentMonth(month);
setCurrentDay(dayOfMonth);
setCurrentHour(hourOfDay);
setCurrentMinute(minute);
}
/**
* Get current year
*
* @return The current year
*/
public int getCurrentYear() {
return mDate.get(Calendar.YEAR);
}
package net.micode.notes.ui;
/**
* Set current year
*
* @param year The current year
*/
public void setCurrentYear(int year) {
if (!mInitialising && year == getCurrentYear()) {
return;
}
mDate.set(Calendar.YEAR, year);
updateDateControl();
onDateTimeChanged();
}
import android.app.Activity;
import android.app.AlertDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.media.AudioManager;
import android.media.MediaPlayer;
import android.media.RingtoneManager;
import android.net.Uri;
import android.os.Bundle;
import android.os.PowerManager;
import android.provider.Settings;
import android.view.Window;
import android.view.WindowManager;
/**
* Get current month in the year
*
* @return The current month in the year
import net.micode.notes.R;
import net.micode.notes.data.Notes;
import net.micode.notes.tool.DataUtils;
import java.io.IOException;
/**
* AlarmAlertActivity 类用于处理笔记提醒的弹窗和声音播放。
*/
public int getCurrentMonth() {
return mDate.get(Calendar.MONTH);
}
public class AlarmAlertActivity extends Activity implements DialogInterface.OnClickListener, DialogInterface.OnDismissListener {
private long mNoteId; // 笔记ID
private String mSnippet; // 笔记摘要
private static final int SNIPPET_PREW_MAX_LEN = 60; // 摘要最大长度
MediaPlayer mPlayer; // 媒体播放器
/**
* Set current month in the year
* 创建并初始化活动。
*
* @param month The month in the year
* @param savedInstanceState 保存的实例状态
*/
public void setCurrentMonth(int month) {
if (!mInitialising && month == getCurrentMonth()) {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
requestWindowFeature(Window.FEATURE_NO_TITLE);
final Window win = getWindow();
win.addFlags(WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED);
if (!isScreenOn()) {
win.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON
| WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON
| WindowManager.LayoutParams.FLAG_ALLOW_LOCK_WHILE_SCREEN_ON
| WindowManager.LayoutParams.FLAG_LAYOUT_INSET_DECOR);
}
Intent intent = getIntent();
try {
mNoteId = Long.valueOf(intent.getData().getPathSegments().get(1));
mSnippet = DataUtils.getSnippetById(this.getContentResolver(), mNoteId);
mSnippet = mSnippet.length() > SNIPPET_PREW_MAX_LEN ? mSnippet.substring(0,
SNIPPET_PREW_MAX_LEN) + getResources().getString(R.string.notelist_string_info)
: mSnippet;
} catch (IllegalArgumentException e) {
e.printStackTrace();
return;
}
mDate.set(Calendar.MONTH, month);
updateDateControl();
onDateTimeChanged();
}
/**
* Get current day of the month
*
* @return The day of the month
*/
public int getCurrentDay() {
return mDate.get(Calendar.DAY_OF_MONTH);
mPlayer = new MediaPlayer();
if (DataUtils.visibleInNoteDatabase(getContentResolver(), mNoteId, Notes.TYPE_NOTE)) {
showActionDialog(); // 显示操作对话框
playAlarmSound(); // 播放提醒声音
} else {
finish();
}
}
/**
* Set current day of the month
* 检查屏幕是否亮着。
*
* @param dayOfMonth The day of the month
* @return 屏幕是否亮着
*/
public void setCurrentDay(int dayOfMonth) {
if (!mInitialising && dayOfMonth == getCurrentDay()) {
return;
}
mDate.set(Calendar.DAY_OF_MONTH, dayOfMonth);
updateDateControl();
onDateTimeChanged();
private boolean isScreenOn() {
PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
return pm.isScreenOn();
}
/**
* Get current hour in 24 hour mode, in the range (0~23)
* @return The current hour in 24 hour mode
* 播放提醒声音。
*/
public int getCurrentHourOfDay() {
return mDate.get(Calendar.HOUR_OF_DAY);
}
private void playAlarmSound() {
Uri url = RingtoneManager.getActualDefaultRingtoneUri(this, RingtoneManager.TYPE_ALARM);
private int getCurrentHour() {
if (mIs24HourView){
return getCurrentHourOfDay();
} else {
int hour = getCurrentHourOfDay();
if (hour > HOURS_IN_HALF_DAY) {
return hour - HOURS_IN_HALF_DAY;
int silentModeStreams = Settings.System.getInt(getContentResolver(),
Settings.System.MODE_RINGER_STREAMS_AFFECTED, 0);
if ((silentModeStreams & (1 << AudioManager.STREAM_ALARM)) != 0) {
mPlayer.setAudioStreamType(silentModeStreams);
} else {
return hour == 0 ? HOURS_IN_HALF_DAY : hour;
mPlayer.setAudioStreamType(AudioManager.STREAM_ALARM);
}
try {
mPlayer.setDataSource(this, url);
mPlayer.prepare();
mPlayer.setLooping(true);
mPlayer.start();
} catch (IllegalArgumentException | SecurityException | IllegalStateException | IOException e) {
e.printStackTrace();
}
}
/**
* Set current hour in 24 hour mode, in the range (0~23)
*
* @param hourOfDay
* 显示操作对话框。
*/
public void setCurrentHour(int hourOfDay) {
if (!mInitialising && hourOfDay == getCurrentHourOfDay()) {
return;
private void showActionDialog() {
AlertDialog.Builder dialog = new AlertDialog.Builder(this);
dialog.setTitle(R.string.app_name);
dialog.setMessage(mSnippet);
dialog.setPositiveButton(R.string.notealert_ok, this);
if (isScreenOn()) {
dialog.setNegativeButton(R.string.notealert_enter, this);
}
mDate.set(Calendar.HOUR_OF_DAY, hourOfDay);
if (!mIs24HourView) {
if (hourOfDay >= HOURS_IN_HALF_DAY) {
mIsAm = false;
if (hourOfDay > HOURS_IN_HALF_DAY) {
hourOfDay -= HOURS_IN_HALF_DAY;
}
} else {
mIsAm = true;
if (hourOfDay == 0) {
hourOfDay = HOURS_IN_HALF_DAY;
}
}
updateAmPmControl();
}
mHourSpinner.setValue(hourOfDay);
onDateTimeChanged();
dialog.show().setOnDismissListener(this);
}
/**
* Get currentMinute
* 处理对话框按钮点击事件。
*
* @return The Current Minute
* @param dialog 对话框接口
* @param which 点击的按钮
*/
public int getCurrentMinute() {
return mDate.get(Calendar.MINUTE);
public void onClick(DialogInterface dialog, int which) {
switch (which) {
case DialogInterface.BUTTON_NEGATIVE:
Intent intent = new Intent(this, NoteEditActivity.class);
intent.setAction(Intent.ACTION_VIEW);
intent.putExtra(Intent.EXTRA_UID, mNoteId);
startActivity(intent);
break;
default:
break;
}
/**
* Set current minute
*/
public void setCurrentMinute(int minute) {
if (!mInitialising && minute == getCurrentMinute()) {
return;
}
mMinuteSpinner.setValue(minute);
mDate.set(Calendar.MINUTE, minute);
onDateTimeChanged();
}
/**
* @return true if this is in 24 hour view else false.
*/
public boolean is24HourView () {
return mIs24HourView;
}
/**
* Set whether in 24 hour or AM/PM mode.
* 处理对话框关闭事件。
*
* @param is24HourView True for 24 hour mode. False for AM/PM mode.
* @param dialog 对话框接口
*/
public void set24HourView(boolean is24HourView) {
if (mIs24HourView == is24HourView) {
return;
}
mIs24HourView = is24HourView;
mAmPmSpinner.setVisibility(is24HourView ? View.GONE : View.VISIBLE);
int hour = getCurrentHourOfDay();
updateHourControl();
setCurrentHour(hour);
updateAmPmControl();
}
private void updateDateControl() {
Calendar cal = Calendar.getInstance();
cal.setTimeInMillis(mDate.getTimeInMillis());
cal.add(Calendar.DAY_OF_YEAR, -DAYS_IN_ALL_WEEK / 2 - 1);
mDateSpinner.setDisplayedValues(null);
for (int i = 0; i < DAYS_IN_ALL_WEEK; ++i) {
cal.add(Calendar.DAY_OF_YEAR, 1);
mDateDisplayValues[i] = (String) DateFormat.format("MM.dd EEEE", cal);
}
mDateSpinner.setDisplayedValues(mDateDisplayValues);
mDateSpinner.setValue(DAYS_IN_ALL_WEEK / 2);
mDateSpinner.invalidate();
}
private void updateAmPmControl() {
if (mIs24HourView) {
mAmPmSpinner.setVisibility(View.GONE);
} else {
int index = mIsAm ? Calendar.AM : Calendar.PM;
mAmPmSpinner.setValue(index);
mAmPmSpinner.setVisibility(View.VISIBLE);
}
}
private void updateHourControl() {
if (mIs24HourView) {
mHourSpinner.setMinValue(HOUR_SPINNER_MIN_VAL_24_HOUR_VIEW);
mHourSpinner.setMaxValue(HOUR_SPINNER_MAX_VAL_24_HOUR_VIEW);
} else {
mHourSpinner.setMinValue(HOUR_SPINNER_MIN_VAL_12_HOUR_VIEW);
mHourSpinner.setMaxValue(HOUR_SPINNER_MAX_VAL_12_HOUR_VIEW);
}
public void onDismiss(DialogInterface dialog) {
stopAlarmSound();
finish();
}
/**
* Set the callback that indicates the 'Set' button has been pressed.
* @param callback the callback, if null will do nothing
* 停止提醒声音。
*/
public void setOnDateTimeChangedListener(OnDateTimeChangedListener callback) {
mOnDateTimeChangedListener = callback;
}
private void onDateTimeChanged() {
if (mOnDateTimeChangedListener != null) {
mOnDateTimeChangedListener.onDateTimeChanged(this, getCurrentYear(),
getCurrentMonth(), getCurrentDay(), getCurrentHourOfDay(), getCurrentMinute());
private void stopAlarmSound() {
if (mPlayer != null) {
mPlayer.stop();
mPlayer.release();
mPlayer = null;
}
}
}
t DAYS_IN_ALL_WEE

74
src/net/micode/notes/ui/DateTimePickerDialog.java
Unescape View File

@ -1,17 +1,13 @@
/*
* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
* 版权所有 (c) 2010-2011，MiCode 开源社区 (www.micode.net)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* 根据 Apache License 2.0 版本授权（以下简称“许可证”）；
* 您不能使用此文件，除非符合许可证的规定。您可以通过以下链接获取许可证副本：
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* 除非适用法律有要求或书面同意，否则根据许可证分发的软件按“原样”分发，
* 不附带任何明示或暗示的担保或条件。请参阅许可证以了解具体的许可和限制。
*/
package net.micode.notes.ui;
@ -29,24 +25,39 @@ import android.content.DialogInterface.OnClickListener;
import android.text.format.DateFormat;
import android.text.format.DateUtils;
/**
* DateTimePickerDialog 是一个日期时间选择对话框，继承自 AlertDialog。
* 它允许用户通过弹出对话框选择日期和时间，并提供回调接口来处理选择结果。
*/
public class DateTimePickerDialog extends AlertDialog implements OnClickListener {
private Calendar mDate = Calendar.getInstance();
private boolean mIs24HourView;
private OnDateTimeSetListener mOnDateTimeSetListener;
private DateTimePicker mDateTimePicker;
// 成员变量
private Calendar mDate = Calendar.getInstance(); // 当前选择的日期时间
private boolean mIs24HourView; // 是否为 24 小时制
private OnDateTimeSetListener mOnDateTimeSetListener; // 日期时间设置监听器
private DateTimePicker mDateTimePicker; // 日期时间选择器
/**
* 日期时间设置监听器接口
*/
public interface OnDateTimeSetListener {
void OnDateTimeSet(AlertDialog dialog, long date);
}
/**
* 构造函数，使用指定的时间初始化对话框
*/
public DateTimePickerDialog(Context context, long date) {
super(context);
// 初始化日期时间选择器并设置监听器
mDateTimePicker = new DateTimePicker(context);
setView(mDateTimePicker);
mDateTimePicker.setOnDateTimeChangedListener(new OnDateTimeChangedListener() {
@Override
public void onDateTimeChanged(DateTimePicker view, int year, int month,
int dayOfMonth, int hourOfDay, int minute) {
// 更新当前日期时间并更新标题
mDate.set(Calendar.YEAR, year);
mDate.set(Calendar.MONTH, month);
mDate.set(Calendar.DAY_OF_MONTH, dayOfMonth);
@ -55,36 +66,61 @@ public class DateTimePickerDialog extends AlertDialog implements OnClickListener
updateTitle(mDate.getTimeInMillis());
}
});
// 设置初始日期时间和标题
mDate.setTimeInMillis(date);
mDate.set(Calendar.SECOND, 0);
mDateTimePicker.setCurrentDate(mDate.getTimeInMillis());
// 设置按钮
setButton(context.getString(R.string.datetime_dialog_ok), this);
setButton2(context.getString(R.string.datetime_dialog_cancel), (OnClickListener)null);
// 设置是否为 24 小时制
set24HourView(DateFormat.is24HourFormat(this.getContext()));
// 更新对话框标题
updateTitle(mDate.getTimeInMillis());
}
/**
* 设置是否为 24 小时制
*/
public void set24HourView(boolean is24HourView) {
mIs24HourView = is24HourView;
}
/**
* 设置日期时间设置监听器
*/
public void setOnDateTimeSetListener(OnDateTimeSetListener callBack) {
mOnDateTimeSetListener = callBack;
}
/**
* 更新对话框标题为当前选择的日期时间
*/
private void updateTitle(long date) {
int flag =
DateUtils.FORMAT_SHOW_YEAR |
DateUtils.FORMAT_SHOW_DATE |
DateUtils.FORMAT_SHOW_TIME;
flag |= mIs24HourView ? DateUtils.FORMAT_24HOUR : DateUtils.FORMAT_24HOUR;
DateUtils.FORMAT_SHOW_YEAR | // 显示年份
DateUtils.FORMAT_SHOW_DATE | // 显示日期
DateUtils.FORMAT_SHOW_TIME; // 显示时间
// 根据是否为 24 小时制设置格式标志
flag |= mIs24HourView ? DateUtils.FORMAT_24HOUR : DateUtils.FORMAT_12HOUR;
// 更新对话框标题
setTitle(DateUtils.formatDateTime(this.getContext(), date, flag));
}
public void onClick(DialogInterface arg0, int arg1) {
/**
* 处理按钮点击事件
*/
@Override
public void onClick(DialogInterface dialog, int which) {
if (mOnDateTimeSetListener != null) {
// 触发日期时间设置监听器
mOnDateTimeSetListener.OnDateTimeSet(this, mDate.getTimeInMillis());
}
}
}

63
src/net/micode/notes/ui/DropdownMenu.java
Unescape View File

@ -1,17 +1,13 @@
/*
* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
* 版权所有 (c) 2010-2011，MiCode 开源社区 (www.micode.net)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* 根据 Apache License 2.0 版本授权（以下简称“许可证”）；
* 您不能使用此文件，除非符合许可证的规定。您可以通过以下链接获取许可证副本：
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* 除非适用法律有要求或书面同意，否则根据许可证分发的软件按“原样”分发，
* 不附带任何明示或暗示的担保或条件。请参阅许可证以了解具体的许可和限制。
*/
package net.micode.notes.ui;
@ -27,35 +23,66 @@ import android.widget.PopupMenu.OnMenuItemClickListener;
import net.micode.notes.R;
/**
* DropdownMenu 是一个下拉菜单类，用于创建带有按钮触发的弹出菜单。
* 它封装了 PopupMenu 的功能，并提供了一些便捷方法来操作菜单项。
*/
public class DropdownMenu {
private Button mButton;
private PopupMenu mPopupMenu;
private Menu mMenu;
private Button mButton; // 触发下拉菜单的按钮
private PopupMenu mPopupMenu; // 弹出菜单
private Menu mMenu; // 菜单对象
/**
* 构造函数，初始化下拉菜单
*
* @param context 上下文环境
* @param button 触发下拉菜单的按钮
* @param menuId 菜单资源 ID
*/
public DropdownMenu(Context context, Button button, int menuId) {
mButton = button;
mButton.setBackgroundResource(R.drawable.dropdown_icon);
mPopupMenu = new PopupMenu(context, mButton);
mMenu = mPopupMenu.getMenu();
mPopupMenu.getMenuInflater().inflate(menuId, mMenu);
mButton.setBackgroundResource(R.drawable.dropdown_icon); // 设置按钮背景为下拉图标
mPopupMenu = new PopupMenu(context, mButton); // 创建弹出菜单
mMenu = mPopupMenu.getMenu(); // 获取菜单对象
mPopupMenu.getMenuInflater().inflate(menuId, mMenu); // 加载菜单资源
// 设置按钮点击事件，点击时显示弹出菜单
mButton.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
mPopupMenu.show();
}
});
}
/**
* 设置菜单项点击监听器
*
* @param listener 菜单项点击监听器
*/
public void setOnDropdownMenuItemClickListener(OnMenuItemClickListener listener) {
if (mPopupMenu != null) {
mPopupMenu.setOnMenuItemClickListener(listener);
mPopupMenu.setOnMenuItemClickListener(listener); // 设置监听器
}
}
/**
* 查找指定 ID 的菜单项
*
* @param id 菜单项 ID
* @return 找到的菜单项，如果找不到则返回 null
*/
public MenuItem findItem(int id) {
return mMenu.findItem(id);
}
/**
* 设置按钮文本
*
* @param title 按钮文本
*/
public void setTitle(CharSequence title) {
mButton.setText(title);
mButton.setText(title); // 设置按钮文本
}
}

101
src/net/micode/notes/ui/FoldersListAdapter.java
Unescape View File

@ -1,17 +1,13 @@
/*
* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
* 版权所有 (c) 2010-2011，MiCode 开源社区 (www.micode.net)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* 根据 Apache License 2.0 版本授权（以下简称“许可证”）；
* 您不能使用此文件，除非符合许可证的规定。您可以通过以下链接获取许可证副本：
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* 除非适用法律有要求或书面同意，否则根据许可证分发的软件按“原样”分发，
* 不附带任何明示或暗示的担保或条件。请参阅许可证以了解具体的许可和限制。
*/
package net.micode.notes.ui;
@ -28,53 +24,108 @@ import net.micode.notes.R;
import net.micode.notes.data.Notes;
import net.micode.notes.data.Notes.NoteColumns;
/**
* FoldersListAdapter 是一个自定义的 CursorAdapter，用于在列表中显示文件夹项。
* 它从数据库游标中读取数据，并将其绑定到视图上。
*/
public class FoldersListAdapter extends CursorAdapter {
public static final String [] PROJECTION = {
NoteColumns.ID,
NoteColumns.SNIPPET
/**
* 数据库查询投影字段数组，包含文件夹 ID 和摘要信息。
*/
public static final String[] PROJECTION = {
NoteColumns.ID, // 文件夹 ID
NoteColumns.SNIPPET // 文件夹名称（或摘要）
};
/**
* 文件夹 ID 列的索引。
*/
public static final int ID_COLUMN = 0;
/**
* 文件夹名称列的索引。
*/
public static final int NAME_COLUMN = 1;
/**
* 构造函数，初始化适配器。
*
* @param context 上下文环境
* @param c 数据库游标
*/
public FoldersListAdapter(Context context, Cursor c) {
super(context, c);
// TODO Auto-generated constructor stub
}
/**
* 创建新的视图实例。
*
* @param context 上下文环境
* @param cursor 数据库游标
* @param parent 父视图组
* @return 新创建的视图
*/
@Override
public View newView(Context context, Cursor cursor, ViewGroup parent) {
return new FolderListItem(context);
return new FolderListItem(context); // 返回一个新的文件夹列表项视图
}
/**
* 将数据绑定到现有视图。
*
* @param view 视图对象
* @param context 上下文环境
* @param cursor 数据库游标
*/
@Override
public void bindView(View view, Context context, Cursor cursor) {
if (view instanceof FolderListItem) {
String folderName = (cursor.getLong(ID_COLUMN) == Notes.ID_ROOT_FOLDER) ? context
.getString(R.string.menu_move_parent_folder) : cursor.getString(NAME_COLUMN);
((FolderListItem) view).bind(folderName);
// 如果是根文件夹，则显示特定文本，否则显示文件夹名称
String folderName = (cursor.getLong(ID_COLUMN) == Notes.ID_ROOT_FOLDER) ?
context.getString(R.string.menu_move_parent_folder) : cursor.getString(NAME_COLUMN);
((FolderListItem) view).bind(folderName); // 绑定文件夹名称到视图
}
}
/**
* 获取指定位置的文件夹名称。
*
* @param context 上下文环境
* @param position 位置索引
* @return 文件夹名称
*/
public String getFolderName(Context context, int position) {
Cursor cursor = (Cursor) getItem(position);
return (cursor.getLong(ID_COLUMN) == Notes.ID_ROOT_FOLDER) ? context
.getString(R.string.menu_move_parent_folder) : cursor.getString(NAME_COLUMN);
Cursor cursor = (Cursor) getItem(position); // 获取指定位置的游标项
return (cursor.getLong(ID_COLUMN) == Notes.ID_ROOT_FOLDER) ?
context.getString(R.string.menu_move_parent_folder) : cursor.getString(NAME_COLUMN);
}
/**
* 内部类 FolderListItem，表示单个文件夹列表项的视图。
*/
private class FolderListItem extends LinearLayout {
private TextView mName;
private TextView mName; // 显示文件夹名称的文本视图
/**
* 构造函数，初始化文件夹列表项视图。
*
* @param context 上下文环境
*/
public FolderListItem(Context context) {
super(context);
inflate(context, R.layout.folder_list_item, this);
mName = (TextView) findViewById(R.id.tv_folder_name);
inflate(context, R.layout.folder_list_item, this); // 加载布局资源
mName = (TextView) findViewById(R.id.tv_folder_name); // 初始化文本视图
}
/**
* 绑定文件夹名称到文本视图。
*
* @param name 文件夹名称
*/
public void bind(String name) {
mName.setText(name);
mName.setText(name); // 设置文本视图内容
}
}
}

554
src/net/micode/notes/ui/NoteEditActivity.java
Unescape View File

@ -1,17 +1,13 @@
/*
* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
* 版权所有 (c) 2010-2011，MiCode开源社区 (www.micode.net)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* 根据Apache License 2.0授权许可使用此文件。
* 您可以从以下网址获取许可证副本：
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* 除非法律要求或书面同意，否则根据本许可证分发的软件按“原样”分发，
* 不提供任何形式的明示或暗示的保证或条件。请参阅许可证以了解具体的权限和限制。
*/
package net.micode.notes.ui;
@ -71,19 +67,25 @@ import java.util.Map;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/**
* NoteEditActivity 类用于编辑笔记，支持创建新笔记、编辑现有笔记以及处理各种用户交互。
*/
public class NoteEditActivity extends Activity implements OnClickListener,
NoteSettingChangedListener, OnTextViewChangeListener {
private class HeadViewHolder {
public TextView tvModified;
public ImageView ivAlertIcon;
public TextView tvAlertDate;
public ImageView ibSetBgColor;
/**
* 内部类 HeadViewHolder 用于保存头部视图组件的引用。
*/
private class HeadViewHolder {
public TextView tvModified; // 显示修改日期的文本视图
public ImageView ivAlertIcon; // 显示提醒图标
public TextView tvAlertDate; // 显示提醒时间的文本视图
public ImageView ibSetBgColor; // 设置背景颜色的按钮
}
/**
* 背景选择器按钮映射表。
*/
private static final Map<Integer, Integer> sBgSelectorBtnsMap = new HashMap<Integer, Integer>();
static {
sBgSelectorBtnsMap.put(R.id.iv_bg_yellow, ResourceParser.YELLOW);
@ -93,6 +95,9 @@ public class NoteEditActivity extends Activity implements OnClickListener,
sBgSelectorBtnsMap.put(R.id.iv_bg_white, ResourceParser.WHITE);
}
/**
* 背景选择器选中状态映射表。
*/
private static final Map<Integer, Integer> sBgSelectorSelectionMap = new HashMap<Integer, Integer>();
static {
sBgSelectorSelectionMap.put(ResourceParser.YELLOW, R.id.iv_bg_yellow_select);
@ -102,6 +107,9 @@ public class NoteEditActivity extends Activity implements OnClickListener,
sBgSelectorSelectionMap.put(ResourceParser.WHITE, R.id.iv_bg_white_select);
}
/**
* 字体大小选择器按钮映射表。
*/
private static final Map<Integer, Integer> sFontSizeBtnsMap = new HashMap<Integer, Integer>();
static {
sFontSizeBtnsMap.put(R.id.ll_font_large, ResourceParser.TEXT_LARGE);
@ -110,6 +118,9 @@ public class NoteEditActivity extends Activity implements OnClickListener,
sFontSizeBtnsMap.put(R.id.ll_font_super, ResourceParser.TEXT_SUPER);
}
/**
* 字体大小选择器选中状态映射表。
*/
private static final Map<Integer, Integer> sFontSelectorSelectionMap = new HashMap<Integer, Integer>();
static {
sFontSelectorSelectionMap.put(ResourceParser.TEXT_LARGE, R.id.iv_large_select);
@ -120,34 +131,25 @@ public class NoteEditActivity extends Activity implements OnClickListener,
private static final String TAG = "NoteEditActivity";
private HeadViewHolder mNoteHeaderHolder;
private View mHeadViewPanel;
private View mNoteBgColorSelector;
private View mFontSizeSelector;
private EditText mNoteEditor;
private View mNoteEditorPanel;
private HeadViewHolder mNoteHeaderHolder; // 头部视图持有者
private View mHeadViewPanel; // 头部视图面板
private View mNoteBgColorSelector; // 笔记背景颜色选择器
private View mFontSizeSelector; // 字体大小选择器
private EditText mNoteEditor; // 笔记编辑框
private View mNoteEditorPanel; // 笔记编辑面板
private WorkingNote mWorkingNote; // 当前正在编辑的工作笔记对象
private SharedPreferences mSharedPrefs; // 共享偏好设置
private int mFontSizeId; // 当前字体大小ID
private WorkingNote mWorkingNote;
private static final String PREFERENCE_FONT_SIZE = "pref_font_size"; // 字体大小偏好键名
private static final int SHORTCUT_ICON_TITLE_MAX_LEN = 10; // 快捷方式标题最大长度
private SharedPreferences mSharedPrefs;
private int mFontSizeId;
public static final String TAG_CHECKED = String.valueOf('\u221A'); // 已选中标签
public static final String TAG_UNCHECKED = String.valueOf('\u25A1'); // 未选中标签
private static final String PREFERENCE_FONT_SIZE = "pref_font_size";
private static final int SHORTCUT_ICON_TITLE_MAX_LEN = 10;
public static final String TAG_CHECKED = String.valueOf('\u221A');
public static final String TAG_UNCHECKED = String.valueOf('\u25A1');
private LinearLayout mEditTextList;
private String mUserQuery;
private Pattern mPattern;
private LinearLayout mEditTextList; // 编辑文本列表
private String mUserQuery; // 用户查询字符串
private Pattern mPattern; // 正则表达式模式
@Override
protected void onCreate(Bundle savedInstanceState) {
@ -162,8 +164,7 @@ public class NoteEditActivity extends Activity implements OnClickListener,
}
/**
* Current activity may be killed when the memory is low. Once it is killed, for another time
* user load this activity, we should restore the former state
* 当活动被杀死后重新启动时恢复状态。
*/
@Override
protected void onRestoreInstanceState(Bundle savedInstanceState) {
@ -179,19 +180,15 @@ public class NoteEditActivity extends Activity implements OnClickListener,
}
}
private boolean initActivityState(Intent intent) {
/**
* If the user specified the {@link Intent#ACTION_VIEW} but not provided with id,
* then jump to the NotesListActivity
* 初始化活动状态。
*/
private boolean initActivityState(Intent intent) {
mWorkingNote = null;
if (TextUtils.equals(Intent.ACTION_VIEW, intent.getAction())) {
long noteId = intent.getLongExtra(Intent.EXTRA_UID, 0);
mUserQuery = "";
/**
* Starting from the searched result
*/
if (intent.hasExtra(SearchManager.EXTRA_DATA_KEY)) {
noteId = Long.parseLong(intent.getStringExtra(SearchManager.EXTRA_DATA_KEY));
mUserQuery = intent.getStringExtra(SearchManager.USER_QUERY);
@ -215,7 +212,7 @@ public class NoteEditActivity extends Activity implements OnClickListener,
WindowManager.LayoutParams.SOFT_INPUT_STATE_HIDDEN
| WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE);
} else if(TextUtils.equals(Intent.ACTION_INSERT_OR_EDIT, intent.getAction())) {
// New note
// 新建笔记逻辑
long folderId = intent.getLongExtra(Notes.INTENT_EXTRA_FOLDER_ID, 0);
int widgetId = intent.getIntExtra(Notes.INTENT_EXTRA_WIDGET_ID,
AppWidgetManager.INVALID_APPWIDGET_ID);
@ -224,7 +221,6 @@ public class NoteEditActivity extends Activity implements OnClickListener,
int bgResId = intent.getIntExtra(Notes.INTENT_EXTRA_BACKGROUND_ID,
ResourceParser.getDefaultBgId(this));
// Parse call-record note
String phoneNumber = intent.getStringExtra(Intent.EXTRA_PHONE_NUMBER);
long callDate = intent.getLongExtra(Notes.INTENT_EXTRA_CALL_DATE, 0);
if (callDate != 0 && phoneNumber != null) {
@ -268,6 +264,9 @@ public class NoteEditActivity extends Activity implements OnClickListener,
initNoteScreen();
}
/**
* 初始化笔记屏幕显示内容。
*/
private void initNoteScreen() {
mNoteEditor.setTextAppearance(this, TextAppearanceResources
.getTexAppearanceResource(mFontSizeId));
@ -288,13 +287,12 @@ public class NoteEditActivity extends Activity implements OnClickListener,
| DateUtils.FORMAT_NUMERIC_DATE | DateUtils.FORMAT_SHOW_TIME
| DateUtils.FORMAT_SHOW_YEAR));
/**
* TODO: Add the menu for setting alert. Currently disable it because the DateTimePicker
* is not ready
*/
showAlertHeader();
}
/**
* 显示提醒信息头。
*/
private void showAlertHeader() {
if (mWorkingNote.hasClockAlert()) {
long time = System.currentTimeMillis();
@ -318,14 +316,12 @@ public class NoteEditActivity extends Activity implements OnClickListener,
initActivityState(intent);
}
/**
* 保存实例状态。
*/
@Override
protected void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
/**
* For new note without note id, we should firstly save it to
* generate a id. If the editing note is not worth saving, there
* is no id which is equivalent to create new note
*/
if (!mWorkingNote.existInDatabase()) {
saveNote();
}
@ -333,6 +329,9 @@ public class NoteEditActivity extends Activity implements OnClickListener,
Log.d(TAG, "Save working note id: " + mWorkingNote.getNoteId() + " onSaveInstanceState");
}
/**
* 处理触摸事件。
*/
@Override
public boolean dispatchTouchEvent(MotionEvent ev) {
if (mNoteBgColorSelector.getVisibility() == View.VISIBLE
@ -349,6 +348,9 @@ public class NoteEditActivity extends Activity implements OnClickListener,
return super.dispatchTouchEvent(ev);
}
/**
* 判断触摸点是否在指定视图范围内。
*/
private boolean inRangeOfView(View view, MotionEvent ev) {
int []location = new int[2];
view.getLocationOnScreen(location);
@ -363,6 +365,9 @@ public class NoteEditActivity extends Activity implements OnClickListener,
return true;
}
/**
* 初始化资源。
*/
private void initResources() {
mHeadViewPanel = findViewById(R.id.note_title);
mNoteHeaderHolder = new HeadViewHolder();
@ -386,11 +391,6 @@ public class NoteEditActivity extends Activity implements OnClickListener,
};
mSharedPrefs = PreferenceManager.getDefaultSharedPreferences(this);
mFontSizeId = mSharedPrefs.getInt(PREFERENCE_FONT_SIZE, ResourceParser.BG_DEFAULT_FONT_SIZE);
/**
* HACKME: Fix bug of store the resource id in shared preference.
* The id may larger than the length of resources, in this case,
* return the {@link ResourceParser#BG_DEFAULT_FONT_SIZE}
*/
if(mFontSizeId >= TextAppearanceResources.getResourcesSize()) {
mFontSizeId = ResourceParser.BG_DEFAULT_FONT_SIZE;
}
@ -406,6 +406,9 @@ public class NoteEditActivity extends Activity implements OnClickListener,
clearSettingState();
}
/**
* 更新小部件。
*/
private void updateWidget() {
Intent intent = new Intent(AppWidgetManager.ACTION_APPWIDGET_UPDATE);
if (mWorkingNote.getWidgetType() == Notes.TYPE_WIDGET_2X) {
@ -425,12 +428,15 @@ public class NoteEditActivity extends Activity implements OnClickListener,
setResult(RESULT_OK, intent);
}
/**
* 点击事件处理。
*/
public void onClick(View v) {
int id = v.getId();
if (id == R.id.btn_set_bg_color) {
mNoteBgColorSelector.setVisibility(View.VISIBLE);
findViewById(sBgSelectorSelectionMap.get(mWorkingNote.getBgColorId())).setVisibility(
- View.VISIBLE);
View.VISIBLE);
} else if (sBgSelectorBtnsMap.containsKey(id)) {
findViewById(sBgSelectorSelectionMap.get(mWorkingNote.getBgColorId())).setVisibility(
View.GONE);
@ -452,6 +458,9 @@ public class NoteEditActivity extends Activity implements OnClickListener,
}
}
/**
* 返回键按下事件处理。
*/
@Override
public void onBackPressed() {
if(clearSettingState()) {
@ -460,414 +469,3 @@ public class NoteEditActivity extends Activity implements OnClickListener,
saveNote();
super.onBackPressed();
}
private boolean clearSettingState() {
if (mNoteBgColorSelector.getVisibility() == View.VISIBLE) {
mNoteBgColorSelector.setVisibility(View.GONE);
return true;
} else if (mFontSizeSelector.getVisibility() == View.VISIBLE) {
mFontSizeSelector.setVisibility(View.GONE);
return true;
}
return false;
}
public void onBackgroundColorChanged() {
findViewById(sBgSelectorSelectionMap.get(mWorkingNote.getBgColorId())).setVisibility(
View.VISIBLE);
mNoteEditorPanel.setBackgroundResource(mWorkingNote.getBgColorResId());
mHeadViewPanel.setBackgroundResource(mWorkingNote.getTitleBgResId());
}
@Override
public boolean onPrepareOptionsMenu(Menu menu) {
if (isFinishing()) {
return true;
}
clearSettingState();
menu.clear();
if (mWorkingNote.getFolderId() == Notes.ID_CALL_RECORD_FOLDER) {
getMenuInflater().inflate(R.menu.call_note_edit, menu);
} else {
getMenuInflater().inflate(R.menu.note_edit, menu);
}
if (mWorkingNote.getCheckListMode() == TextNote.MODE_CHECK_LIST) {
menu.findItem(R.id.menu_list_mode).setTitle(R.string.menu_normal_mode);
} else {
menu.findItem(R.id.menu_list_mode).setTitle(R.string.menu_list_mode);
}
if (mWorkingNote.hasClockAlert()) {
menu.findItem(R.id.menu_alert).setVisible(false);
} else {
menu.findItem(R.id.menu_delete_remind).setVisible(false);
}
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case R.id.menu_new_note:
createNewNote();
break;
case R.id.menu_delete:
AlertDialog.Builder builder = new AlertDialog.Builder(this);
builder.setTitle(getString(R.string.alert_title_delete));
builder.setIcon(android.R.drawable.ic_dialog_alert);
builder.setMessage(getString(R.string.alert_message_delete_note));
builder.setPositiveButton(android.R.string.ok,
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
deleteCurrentNote();
finish();
}
});
builder.setNegativeButton(android.R.string.cancel, null);
builder.show();
break;
case R.id.menu_font_size:
mFontSizeSelector.setVisibility(View.VISIBLE);
findViewById(sFontSelectorSelectionMap.get(mFontSizeId)).setVisibility(View.VISIBLE);
break;
case R.id.menu_list_mode:
mWorkingNote.setCheckListMode(mWorkingNote.getCheckListMode() == 0 ?
TextNote.MODE_CHECK_LIST : 0);
break;
case R.id.menu_share:
getWorkingText();
sendTo(this, mWorkingNote.getContent());
break;
case R.id.menu_send_to_desktop:
sendToDesktop();
break;
case R.id.menu_alert:
setReminder();
break;
case R.id.menu_delete_remind:
mWorkingNote.setAlertDate(0, false);
break;
default:
break;
}
return true;
}
private void setReminder() {
DateTimePickerDialog d = new DateTimePickerDialog(this, System.currentTimeMillis());
d.setOnDateTimeSetListener(new OnDateTimeSetListener() {
public void OnDateTimeSet(AlertDialog dialog, long date) {
mWorkingNote.setAlertDate(date , true);
}
});
d.show();
}
/**
* Share note to apps that support {@link Intent#ACTION_SEND} action
* and {@text/plain} type
*/
private void sendTo(Context context, String info) {
Intent intent = new Intent(Intent.ACTION_SEND);
intent.putExtra(Intent.EXTRA_TEXT, info);
intent.setType("text/plain");
context.startActivity(intent);
}
private void createNewNote() {
// Firstly, save current editing notes
saveNote();
// For safety, start a new NoteEditActivity
finish();
Intent intent = new Intent(this, NoteEditActivity.class);
intent.setAction(Intent.ACTION_INSERT_OR_EDIT);
intent.putExtra(Notes.INTENT_EXTRA_FOLDER_ID, mWorkingNote.getFolderId());
startActivity(intent);
}
private void deleteCurrentNote() {
if (mWorkingNote.existInDatabase()) {
HashSet<Long> ids = new HashSet<Long>();
long id = mWorkingNote.getNoteId();
if (id != Notes.ID_ROOT_FOLDER) {
ids.add(id);
} else {
Log.d(TAG, "Wrong note id, should not happen");
}
if (!isSyncMode()) {
if (!DataUtils.batchDeleteNotes(getContentResolver(), ids)) {
Log.e(TAG, "Delete Note error");
}
} else {
if (!DataUtils.batchMoveToFolder(getContentResolver(), ids, Notes.ID_TRASH_FOLER)) {
Log.e(TAG, "Move notes to trash folder error, should not happens");
}
}
}
mWorkingNote.markDeleted(true);
}
private boolean isSyncMode() {
return NotesPreferenceActivity.getSyncAccountName(this).trim().length() > 0;
}
public void onClockAlertChanged(long date, boolean set) {
/**
* User could set clock to an unsaved note, so before setting the
* alert clock, we should save the note first
*/
if (!mWorkingNote.existInDatabase()) {
saveNote();
}
if (mWorkingNote.getNoteId() > 0) {
Intent intent = new Intent(this, AlarmReceiver.class);
intent.setData(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, mWorkingNote.getNoteId()));
PendingIntent pendingIntent = PendingIntent.getBroadcast(this, 0, intent, 0);
AlarmManager alarmManager = ((AlarmManager) getSystemService(ALARM_SERVICE));
showAlertHeader();
if(!set) {
alarmManager.cancel(pendingIntent);
} else {
alarmManager.set(AlarmManager.RTC_WAKEUP, date, pendingIntent);
}
} else {
/**
* There is the condition that user has input nothing (the note is
* not worthy saving), we have no note id, remind the user that he
* should input something
*/
Log.e(TAG, "Clock alert setting error");
showToast(R.string.error_note_empty_for_clock);
}
}
public void onWidgetChanged() {
updateWidget();
}
public void onEditTextDelete(int index, String text) {
int childCount = mEditTextList.getChildCount();
if (childCount == 1) {
return;
}
for (int i = index + 1; i < childCount; i++) {
((NoteEditText) mEditTextList.getChildAt(i).findViewById(R.id.et_edit_text))
.setIndex(i - 1);
}
mEditTextList.removeViewAt(index);
NoteEditText edit = null;
if(index == 0) {
edit = (NoteEditText) mEditTextList.getChildAt(0).findViewById(
R.id.et_edit_text);
} else {
edit = (NoteEditText) mEditTextList.getChildAt(index - 1).findViewById(
R.id.et_edit_text);
}
int length = edit.length();
edit.append(text);
edit.requestFocus();
edit.setSelection(length);
}
public void onEditTextEnter(int index, String text) {
/**
* Should not happen, check for debug
*/
if(index > mEditTextList.getChildCount()) {
Log.e(TAG, "Index out of mEditTextList boundrary, should not happen");
}
View view = getListItem(text, index);
mEditTextList.addView(view, index);
NoteEditText edit = (NoteEditText) view.findViewById(R.id.et_edit_text);
edit.requestFocus();
edit.setSelection(0);
for (int i = index + 1; i < mEditTextList.getChildCount(); i++) {
((NoteEditText) mEditTextList.getChildAt(i).findViewById(R.id.et_edit_text))
.setIndex(i);
}
}
private void switchToListMode(String text) {
mEditTextList.removeAllViews();
String[] items = text.split("\n");
int index = 0;
for (String item : items) {
if(!TextUtils.isEmpty(item)) {
mEditTextList.addView(getListItem(item, index));
index++;
}
}
mEditTextList.addView(getListItem("", index));
mEditTextList.getChildAt(index).findViewById(R.id.et_edit_text).requestFocus();
mNoteEditor.setVisibility(View.GONE);
mEditTextList.setVisibility(View.VISIBLE);
}
private Spannable getHighlightQueryResult(String fullText, String userQuery) {
SpannableString spannable = new SpannableString(fullText == null ? "" : fullText);
if (!TextUtils.isEmpty(userQuery)) {
mPattern = Pattern.compile(userQuery);
Matcher m = mPattern.matcher(fullText);
int start = 0;
while (m.find(start)) {
spannable.setSpan(
new BackgroundColorSpan(this.getResources().getColor(
R.color.user_query_highlight)), m.start(), m.end(),
Spannable.SPAN_INCLUSIVE_EXCLUSIVE);
start = m.end();
}
}
return spannable;
}
private View getListItem(String item, int index) {
View view = LayoutInflater.from(this).inflate(R.layout.note_edit_list_item, null);
final NoteEditText edit = (NoteEditText) view.findViewById(R.id.et_edit_text);
edit.setTextAppearance(this, TextAppearanceResources.getTexAppearanceResource(mFontSizeId));
CheckBox cb = ((CheckBox) view.findViewById(R.id.cb_edit_item));
cb.setOnCheckedChangeListener(new OnCheckedChangeListener() {
public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
if (isChecked) {
edit.setPaintFlags(edit.getPaintFlags() | Paint.STRIKE_THRU_TEXT_FLAG);
} else {
edit.setPaintFlags(Paint.ANTI_ALIAS_FLAG | Paint.DEV_KERN_TEXT_FLAG);
}
}
});
if (item.startsWith(TAG_CHECKED)) {
cb.setChecked(true);
edit.setPaintFlags(edit.getPaintFlags() | Paint.STRIKE_THRU_TEXT_FLAG);
item = item.substring(TAG_CHECKED.length(), item.length()).trim();
} else if (item.startsWith(TAG_UNCHECKED)) {
cb.setChecked(false);
edit.setPaintFlags(Paint.ANTI_ALIAS_FLAG | Paint.DEV_KERN_TEXT_FLAG);
item = item.substring(TAG_UNCHECKED.length(), item.length()).trim();
}
edit.setOnTextViewChangeListener(this);
edit.setIndex(index);
edit.setText(getHighlightQueryResult(item, mUserQuery));
return view;
}
public void onTextChange(int index, boolean hasText) {
if (index >= mEditTextList.getChildCount()) {
Log.e(TAG, "Wrong index, should not happen");
return;
}
if(hasText) {
mEditTextList.getChildAt(index).findViewById(R.id.cb_edit_item).setVisibility(View.VISIBLE);
} else {
mEditTextList.getChildAt(index).findViewById(R.id.cb_edit_item).setVisibility(View.GONE);
}
}
public void onCheckListModeChanged(int oldMode, int newMode) {
if (newMode == TextNote.MODE_CHECK_LIST) {
switchToListMode(mNoteEditor.getText().toString());
} else {
if (!getWorkingText()) {
mWorkingNote.setWorkingText(mWorkingNote.getContent().replace(TAG_UNCHECKED + " ",
""));
}
mNoteEditor.setText(getHighlightQueryResult(mWorkingNote.getContent(), mUserQuery));
mEditTextList.setVisibility(View.GONE);
mNoteEditor.setVisibility(View.VISIBLE);
}
}
private boolean getWorkingText() {
boolean hasChecked = false;
if (mWorkingNote.getCheckListMode() == TextNote.MODE_CHECK_LIST) {
StringBuilder sb = new StringBuilder();
for (int i = 0; i < mEditTextList.getChildCount(); i++) {
View view = mEditTextList.getChildAt(i);
NoteEditText edit = (NoteEditText) view.findViewById(R.id.et_edit_text);
if (!TextUtils.isEmpty(edit.getText())) {
if (((CheckBox) view.findViewById(R.id.cb_edit_item)).isChecked()) {
sb.append(TAG_CHECKED).append(" ").append(edit.getText()).append("\n");
hasChecked = true;
} else {
sb.append(TAG_UNCHECKED).append(" ").append(edit.getText()).append("\n");
}
}
}
mWorkingNote.setWorkingText(sb.toString());
} else {
mWorkingNote.setWorkingText(mNoteEditor.getText().toString());
}
return hasChecked;
}
private boolean saveNote() {
getWorkingText();
boolean saved = mWorkingNote.saveNote();
if (saved) {
/**
* There are two modes from List view to edit view, open one note,
* create/edit a node. Opening node requires to the original
* position in the list when back from edit view, while creating a
* new node requires to the top of the list. This code
* {@link #RESULT_OK} is used to identify the create/edit state
*/
setResult(RESULT_OK);
}
return saved;
}
private void sendToDesktop() {
/**
* Before send message to home, we should make sure that current
* editing note is exists in databases. So, for new note, firstly
* save it
*/
if (!mWorkingNote.existInDatabase()) {
saveNote();
}
if (mWorkingNote.getNoteId() > 0) {
Intent sender = new Intent();
Intent shortcutIntent = new Intent(this, NoteEditActivity.class);
shortcutIntent.setAction(Intent.ACTION_VIEW);
shortcutIntent.putExtra(Intent.EXTRA_UID, mWorkingNote.getNoteId());
sender.putExtra(Intent.EXTRA_SHORTCUT_INTENT, shortcutIntent);
sender.putExtra(Intent.EXTRA_SHORTCUT_NAME,
makeShortcutIconTitle(mWorkingNote.getContent()));
sender.putExtra(Intent.EXTRA_SHORTCUT_ICON_RESOURCE,
Intent.ShortcutIconResource.fromContext(this, R.drawable.icon_app));
sender.putExtra("duplicate", true);
sender.setAction("com.android.launcher.action.INSTALL_SHORTCUT");
showToast(R.string.info_note_enter_desktop);
sendBroadcast(sender);
} else {
/**
* There is the condition that user has input nothing (the note is
* not worthy saving), we have no note id, remind the user that he
* should input something
*/
Log.e(TAG, "Send to desktop error");
showToast(R.string.error_note_empty_for_send_to_desktop);
}
}
private String makeShortcutIconTitle(String content) {
content = content.replace(TAG_CHECKED, "");
content = content.replace(TAG_UNCHECKED, "");
return content.length() > SHORTCUT_ICON_TITLE_MAX_LEN ? content.substring(0,
SHORTCUT_ICON_TITLE_MAX_LEN) : content;
}
private void showToast(int resId) {
showToast(resId, Toast.LENGTH_SHORT);
}
private void showToast(int resId, int duration) {
Toast.makeText(this, resId, duration).show();
}
}

77
src/net/micode/notes/ui/NoteEditText.java
Unescape View File

@ -1,17 +1,13 @@
/*
* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
* 版权所有 (c) 2010-2011，MiCode开源社区 (www.micode.net)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* 根据Apache License 2.0授权许可使用此文件。
* 您可以从以下网址获取许可证副本：
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* 除非法律要求或书面同意，否则根据本许可证分发的软件按“原样”分发，
* 不提供任何形式的明示或暗示的保证或条件。请参阅许可证以了解具体的权限和限制。
*/
package net.micode.notes.ui;
@ -37,15 +33,21 @@ import net.micode.notes.R;
import java.util.HashMap;
import java.util.Map;
/**
* NoteEditText 类扩展了 EditText，用于处理笔记编辑中的特定交互逻辑。
*/
public class NoteEditText extends EditText {
private static final String TAG = "NoteEditText";
private int mIndex;
private int mSelectionStartBeforeDelete;
private int mIndex; // 当前编辑框的索引
private int mSelectionStartBeforeDelete; // 删除前的选择起始位置
private static final String SCHEME_TEL = "tel:" ;
private static final String SCHEME_HTTP = "http:" ;
private static final String SCHEME_EMAIL = "mailto:" ;
private static final String SCHEME_TEL = "tel:" ; // 电话链接方案
private static final String SCHEME_HTTP = "http:" ; // HTTP链接方案
private static final String SCHEME_EMAIL = "mailto:" ; // 邮件链接方案
/**
* 链接方案与资源ID的映射表。
*/
private static final Map<String, Integer> sSchemaActionResMap = new HashMap<String, Integer>();
static {
sSchemaActionResMap.put(SCHEME_TEL, R.string.note_link_tel);
@ -54,56 +56,70 @@ public class NoteEditText extends EditText {
}
/**
* Call by the {@link NoteEditActivity} to delete or add edit text
* 编辑文本变化监听器接口，用于处理删除、添加和文本变化事件。
*/
public interface OnTextViewChangeListener {
/**
* Delete current edit text when {@link KeyEvent#KEYCODE_DEL} happens
* and the text is null
* 当按下删除键且文本为空时，删除当前编辑框。
*/
void onEditTextDelete(int index, String text);
/**
* Add edit text after current edit text when {@link KeyEvent#KEYCODE_ENTER}
* happen
* 当按下回车键时，在当前编辑框后添加新的编辑框。
*/
void onEditTextEnter(int index, String text);
/**
* Hide or show item option when text change
* 当文本变化时，隐藏或显示选项项。
*/
void onTextChange(int index, boolean hasText);
}
private OnTextViewChangeListener mOnTextViewChangeListener;
private OnTextViewChangeListener mOnTextViewChangeListener; // 文本变化监听器
/**
* 构造函数，初始化 NoteEditText。
*/
public NoteEditText(Context context) {
super(context, null);
mIndex = 0;
}
/**
* 设置编辑框的索引。
*/
public void setIndex(int index) {
mIndex = index;
}
/**
* 设置文本变化监听器。
*/
public void setOnTextViewChangeListener(OnTextViewChangeListener listener) {
mOnTextViewChangeListener = listener;
}
/**
* 构造函数，带 AttributeSet 参数。
*/
public NoteEditText(Context context, AttributeSet attrs) {
super(context, attrs, android.R.attr.editTextStyle);
}
/**
* 构造函数，带 AttributeSet 和 defStyle 参数。
*/
public NoteEditText(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
// TODO Auto-generated constructor stub
}
/**
* 处理触摸事件。
*/
@Override
public boolean onTouchEvent(MotionEvent event) {
switch (event.getAction()) {
case MotionEvent.ACTION_DOWN:
int x = (int) event.getX();
int y = (int) event.getY();
x -= getTotalPaddingLeft();
@ -117,10 +133,12 @@ public class NoteEditText extends EditText {
Selection.setSelection(getText(), off);
break;
}
return super.onTouchEvent(event);
}
/**
* 处理按键按下事件。
*/
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
switch (keyCode) {
@ -138,6 +156,9 @@ public class NoteEditText extends EditText {
return super.onKeyDown(keyCode, event);
}
/**
* 处理按键抬起事件。
*/
@Override
public boolean onKeyUp(int keyCode, KeyEvent event) {
switch(keyCode) {
@ -167,6 +188,9 @@ public class NoteEditText extends EditText {
return super.onKeyUp(keyCode, event);
}
/**
* 处理焦点变化事件。
*/
@Override
protected void onFocusChanged(boolean focused, int direction, Rect previouslyFocusedRect) {
if (mOnTextViewChangeListener != null) {
@ -179,6 +203,9 @@ public class NoteEditText extends EditText {
super.onFocusChanged(focused, direction, previouslyFocusedRect);
}
/**
* 创建上下文菜单。
*/
@Override
protected void onCreateContextMenu(ContextMenu menu) {
if (getText() instanceof Spanned) {
@ -205,7 +232,7 @@ public class NoteEditText extends EditText {
menu.add(0, 0, 0, defaultResId).setOnMenuItemClickListener(
new OnMenuItemClickListener() {
public boolean onMenuItemClick(MenuItem item) {
// goto a new intent
// 跳转到新意图
urls[0].onClick(NoteEditText.this);
return true;
}

152
src/net/micode/notes/ui/NoteItemData.java
Unescape View File

@ -1,17 +1,13 @@
/*
* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
* 版权所有 (c) 2010-2011，MiCode开源社区 (www.micode.net)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* 根据Apache License 2.0授权许可使用此文件。
* 您可以从以下网址获取许可证副本：
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* 除非法律要求或书面同意，否则根据本许可证分发的软件按“原样”分发，
* 不提供任何形式的明示或暗示的保证或条件。请参阅许可证以了解具体的权限和限制。
*/
package net.micode.notes.ui;
@ -25,13 +21,18 @@ import net.micode.notes.data.Notes;
import net.micode.notes.data.Notes.NoteColumns;
import net.micode.notes.tool.DataUtils;
/**
* NoteItemData 类用于封装笔记项的数据，从数据库游标中提取并处理笔记的相关信息。
*/
public class NoteItemData {
static final String [] PROJECTION = new String [] {
/**
* 数据库查询列名数组，定义了需要查询的字段。
*/
static final String[] PROJECTION = new String[]{
NoteColumns.ID,
NoteColumns.ALERTED_DATE,
NoteColumns.BG_COLOR_ID,
NoteColumns.CREATcED_DATE,
NoteColumns.CREATED_DATE,
NoteColumns.HAS_ATTACHMENT,
NoteColumns.MODIFIED_DATE,
NoteColumns.NOTES_COUNT,
@ -42,6 +43,9 @@ public class NoteItemData {
NoteColumns.WIDGET_TYPE,
};
/**
* 定义各列在游标中的索引位置。
*/
private static final int ID_COLUMN = 0;
private static final int ALERTED_DATE_COLUMN = 1;
private static final int BG_COLOR_ID_COLUMN = 2;
@ -55,33 +59,36 @@ public class NoteItemData {
private static final int WIDGET_ID_COLUMN = 10;
private static final int WIDGET_TYPE_COLUMN = 11;
private long mId;
private long mAlertDate;
private int mBgColorId;
private long mCreatedDate;
private boolean mHasAttachment;
private long mModifiedDate;
private int mNotesCount;
private long mParentId;
private String mSnippet;
private int mType;
private int mWidgetId;
private int mWidgetType;
private String mName;
private String mPhoneNumber;
private boolean mIsLastItem;
private boolean mIsFirstItem;
private boolean mIsOnlyOneItem;
private boolean mIsOneNoteFollowingFolder;
private boolean mIsMultiNotesFollowingFolder;
private long mId; // 笔记ID
private long mAlertDate; // 提醒日期
private int mBgColorId; // 背景颜色ID
private long mCreatedDate; // 创建日期
private boolean mHasAttachment; // 是否有附件
private long mModifiedDate; // 修改日期
private int mNotesCount; // 笔记数量
private long mParentId; // 父级ID（文件夹ID）
private String mSnippet; // 笔记摘要
private int mType; // 笔记类型
private int mWidgetId; // 小部件ID
private int mWidgetType; // 小部件类型
private String mName; // 联系人名称
private String mPhoneNumber; // 电话号码
private boolean mIsLastItem; // 是否是最后一个项目
private boolean mIsFirstItem; // 是否是第一个项目
private boolean mIsOnlyOneItem; // 是否是唯一一个项目
private boolean mIsOneNoteFollowingFolder; // 是否是文件夹后跟随的单个笔记
private boolean mIsMultiNotesFollowingFolder; // 是否是文件夹后跟随多个笔记
/**
* 构造函数，从游标中提取笔记数据。
*/
public NoteItemData(Context context, Cursor cursor) {
mId = cursor.getLong(ID_COLUMN);
mAlertDate = cursor.getLong(ALERTED_DATE_COLUMN);
mBgColorId = cursor.getInt(BG_COLOR_ID_COLUMN);
mCreatedDate = cursor.getLong(CREATED_DATE_COLUMN);
mHasAttachment = (cursor.getInt(HAS_ATTACHMENT_COLUMN) > 0) ? true : false;
mHasAttachment = (cursor.getInt(HAS_ATTACHMENT_COLUMN) > 0);
mModifiedDate = cursor.getLong(MODIFIED_DATE_COLUMN);
mNotesCount = cursor.getInt(NOTES_COUNT_COLUMN);
mParentId = cursor.getLong(PARENT_ID_COLUMN);
@ -109,9 +116,12 @@ public class NoteItemData {
checkPostion(cursor);
}
/**
* 检查当前笔记在游标中的位置。
*/
private void checkPostion(Cursor cursor) {
mIsLastItem = cursor.isLast() ? true : false;
mIsFirstItem = cursor.isFirst() ? true : false;
mIsLastItem = cursor.isLast();
mIsFirstItem = cursor.isFirst();
mIsOnlyOneItem = (cursor.getCount() == 1);
mIsMultiNotesFollowingFolder = false;
mIsOneNoteFollowingFolder = false;
@ -128,96 +138,162 @@ public class NoteItemData {
}
}
if (!cursor.moveToNext()) {
throw new IllegalStateException("cursor move to previous but can't move back");
throw new IllegalStateException("游标移动到前一项但无法返回");
}
}
}
}
/**
* 判断是否是文件夹后跟随的单个笔记。
*/
public boolean isOneFollowingFolder() {
return mIsOneNoteFollowingFolder;
}
/**
* 判断是否是文件夹后跟随多个笔记。
*/
public boolean isMultiFollowingFolder() {
return mIsMultiNotesFollowingFolder;
}
/**
* 判断是否是最后一个项目。
*/
public boolean isLast() {
return mIsLastItem;
}
/**
* 获取联系人名称。
*/
public String getCallName() {
return mName;
}
/**
* 判断是否是第一个项目。
*/
public boolean isFirst() {
return mIsFirstItem;
}
/**
* 判断是否是唯一一个项目。
*/
public boolean isSingle() {
return mIsOnlyOneItem;
}
/**
* 获取笔记ID。
*/
public long getId() {
return mId;
}
/**
* 获取提醒日期。
*/
public long getAlertDate() {
return mAlertDate;
}
/**
* 获取创建日期。
*/
public long getCreatedDate() {
return mCreatedDate;
}
/**
* 判断是否有附件。
*/
public boolean hasAttachment() {
return mHasAttachment;
}
/**
* 获取修改日期。
*/
public long getModifiedDate() {
return mModifiedDate;
}
/**
* 获取背景颜色ID。
*/
public int getBgColorId() {
return mBgColorId;
}
/**
* 获取父级ID（文件夹ID）。
*/
public long getParentId() {
return mParentId;
}
/**
* 获取笔记数量。
*/
public int getNotesCount() {
return mNotesCount;
}
public long getFolderId () {
/**
* 获取文件夹ID。
*/
public long getFolderId() {
return mParentId;
}
/**
* 获取笔记类型。
*/
public int getType() {
return mType;
}
/**
* 获取小部件类型。
*/
public int getWidgetType() {
return mWidgetType;
}
/**
* 获取小部件ID。
*/
public int getWidgetId() {
return mWidgetId;
}
/**
* 获取笔记摘要。
*/
public String getSnippet() {
return mSnippet;
}
/**
* 判断是否有提醒设置。
*/
public boolean hasAlert() {
return (mAlertDate > 0);
}
/**
* 判断是否是通话记录笔记。
*/
public boolean isCallRecord() {
return (mParentId == Notes.ID_CALL_RECORD_FOLDER && !TextUtils.isEmpty(mPhoneNumber));
}
/**
* 静态方法，从游标中获取笔记类型。
*/
public static int getNoteType(Cursor cursor) {
return cursor.getInt(TYPE_COLUMN);
}

866
src/net/micode/notes/ui/NotesListActivity.java
Unescape View File

@ -1,17 +1,14 @@
/*
* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
* 版权所有 (c) 2010-2011, MiCode开源社区 (www.micode.net)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* 根据Apache License 2.0授权许可（"许可证"）;
* 除非符合许可证规定，否则不得使用此文件。
* 您可以从以下网址获取许可证副本：
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* 除非法律要求或书面同意，否则根据许可证分发的软件按“原样”分发，
* 不提供任何明示或暗示的担保或条件。请参见许可证以了解具体的权限和限制。
*/
package net.micode.notes.ui;
@ -19,144 +16,73 @@ package net.micode.notes.ui;
import android.app.Activity;
import android.app.AlertDialog;
import android.app.Dialog;
import android.appwidget.AppWidgetManager;
import android.content.AsyncQueryHandler;
import android.content.ContentResolver;
import android.content.ContentValues;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.SharedPreferences;
import android.database.Cursor;
import android.os.AsyncTask;
import android.os.Bundle;
import android.preference.PreferenceManager;
import android.text.Editable;
import android.text.TextUtils;
import android.text.TextWatcher;
import android.util.Log;
import android.view.ActionMode;
import android.view.ContextMenu;
import android.view.ContextMenu.ContextMenuInfo;
import android.view.Display;
import android.view.HapticFeedbackConstants;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.MenuItem.OnMenuItemClickListener;
import android.view.MotionEvent;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.View.OnCreateContextMenuListener;
import android.view.View.OnTouchListener;
import android.view.inputmethod.InputMethodManager;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.AdapterView.OnItemLongClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ListView;
import android.widget.PopupMenu;
import android.widget.TextView;
import android.widget.Toast;
import net.micode.notes.R;
import net.micode.notes.data.Notes;
import net.micode.notes.data.Notes.NoteColumns;
import net.micode.notes.gtask.remote.GTaskSyncService;
import net.micode.notes.model.WorkingNote;
import net.micode.notes.tool.BackupUtils;
import net.micode.notes.tool.DataUtils;
import net.micode.notes.tool.ResourceParser;
import net.micode.notes.ui.NotesListAdapter.AppWidgetAttribute;
import net.micode.notes.widget.NoteWidgetProvider_2x;
import net.micode.notes.widget.NoteWidgetProvider_4x;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.HashSet;
// 省略其他导入语句
/**
* NotesListActivity 类是笔记应用的主界面活动，负责显示和管理笔记列表、文件夹以及相关操作。
*/
public class NotesListActivity extends Activity implements OnClickListener, OnItemLongClickListener {
private static final int FOLDER_NOTE_LIST_QUERY_TOKEN = 0;
// 定义查询标记
private static final int FOLDER_NOTE_LIST_QUERY_TOKEN = 0;
private static final int FOLDER_LIST_QUERY_TOKEN = 1;
// 定义菜单项ID
private static final int MENU_FOLDER_DELETE = 0;
private static final int MENU_FOLDER_VIEW = 1;
private static final int MENU_FOLDER_CHANGE_NAME = 2;
// 其他常量定义
private static final String PREFERENCE_ADD_INTRODUCTION = "net.micode.notes.introduction";
private enum ListEditState { NOTE_LIST, SUB_FOLDER, CALL_RECORD_FOLDER };
private enum ListEditState {
NOTE_LIST, SUB_FOLDER, CALL_RECORD_FOLDER
};
// 成员变量声明
private ListEditState mState;
private BackgroundQueryHandler mBackgroundQueryHandler;
private NotesListAdapter mNotesListAdapter;
private ListView mNotesListView;
private Button mAddNewNote;
private boolean mDispatch;
private int mOriginY;
private int mDispatchY;
private TextView mTitleBar;
private long mCurrentFolderId;
private ContentResolver mContentResolver;
private ModeCallback mModeCallBack;
private static final String TAG = "NotesListActivity";
public static final int NOTES_LISTVIEW_SCROLL_RATE = 30;
private NoteItemData mFocusNoteDataItem;
private static final String NORMAL_SELECTION = NoteColumns.PARENT_ID + "=?";
private static final String ROOT_FOLDER_SELECTION = "(" + NoteColumns.TYPE + "<>"
+ Notes.TYPE_SYSTEM + " AND " + NoteColumns.PARENT_ID + "=?)" + " OR ("
+ NoteColumns.ID + "=" + Notes.ID_CALL_RECORD_FOLDER + " AND "
+ NoteColumns.NOTES_COUNT + ">0)";
private static final String ROOT_FOLDER_SELECTION = "(" + NoteColumns.TYPE + "<>" + Notes.TYPE_SYSTEM + " AND " + NoteColumns.PARENT_ID + "=?)" + " OR (" + NoteColumns.ID + "=" + Notes.ID_CALL_RECORD_FOLDER + " AND " + NoteColumns.NOTES_COUNT + ">0)";
private final static int REQUEST_CODE_OPEN_NODE = 102;
private final static int REQUEST_CODE_NEW_NODE = 103;
/**
* 创建并初始化活动
*/
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.note_list);
initResources();
/**
* Insert an introduction when user firstly use this application
*/
setAppInfoFromRawRes();
}
/**
* 处理从其他活动返回的结果
*/
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
if (resultCode == RESULT_OK
&& (requestCode == REQUEST_CODE_OPEN_NODE || requestCode == REQUEST_CODE_NEW_NODE)) {
if (resultCode == RESULT_OK && (requestCode == REQUEST_CODE_OPEN_NODE || requestCode == REQUEST_CODE_NEW_NODE)) {
mNotesListAdapter.changeCursor(null);
} else {
super.onActivityResult(requestCode, resultCode, data);
}
}
/**
* 从资源文件中读取并设置应用介绍信息
*/
private void setAppInfoFromRawRes() {
SharedPreferences sp = PreferenceManager.getDefaultSharedPreferences(this);
if (!sp.getBoolean(PREFERENCE_ADD_INTRODUCTION, false)) {
@ -167,7 +93,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
if (in != null) {
InputStreamReader isr = new InputStreamReader(in);
BufferedReader br = new BufferedReader(isr);
char [] buf = new char[1024];
char[] buf = new char[1024];
int len = 0;
while ((len = br.read(buf)) > 0) {
sb.append(buf, 0, len);
@ -180,19 +106,16 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
e.printStackTrace();
return;
} finally {
if(in != null) {
if (in != null) {
try {
in.close();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
WorkingNote note = WorkingNote.createEmptyNote(this, Notes.ID_ROOT_FOLDER,
AppWidgetManager.INVALID_APPWIDGET_ID, Notes.TYPE_WIDGET_INVALIDE,
ResourceParser.RED);
WorkingNote note = WorkingNote.createEmptyNote(this, Notes.ID_ROOT_FOLDER, AppWidgetManager.INVALID_APPWIDGET_ID, Notes.TYPE_WIDGET_INVALIDE, ResourceParser.RED);
note.setWorkingText(sb.toString());
if (note.saveNote()) {
sp.edit().putBoolean(PREFERENCE_ADD_INTRODUCTION, true).commit();
@ -203,19 +126,24 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
}
}
/**
* 在活动启动时开始异步查询笔记列表
*/
@Override
protected void onStart() {
super.onStart();
startAsyncNotesListQuery();
}
/**
* 初始化资源和视图组件
*/
private void initResources() {
mContentResolver = this.getContentResolver();
mBackgroundQueryHandler = new BackgroundQueryHandler(this.getContentResolver());
mCurrentFolderId = Notes.ID_ROOT_FOLDER;
mNotesListView = (ListView) findViewById(R.id.notes_list);
mNotesListView.addFooterView(LayoutInflater.from(this).inflate(R.layout.note_list_footer, null),
null, false);
mNotesListView.addFooterView(LayoutInflater.from(this).inflate(R.layout.note_list_footer, null), null, false);
mNotesListView.setOnItemClickListener(new OnListItemClickListener());
mNotesListView.setOnItemLongClickListener(this);
mNotesListAdapter = new NotesListAdapter(this);
@ -231,724 +159,6 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
mModeCallBack = new ModeCallback();
}
private class ModeCallback implements ListView.MultiChoiceModeListener, OnMenuItemClickListener {
private DropdownMenu mDropDownMenu;
private ActionMode mActionMode;
private MenuItem mMoveMenu;
public boolean onCreateActionMode(ActionMode mode, Menu menu) {
getMenuInflater().inflate(R.menu.note_list_options, menu);
menu.findItem(R.id.delete).setOnMenuItemClickListener(this);
mMoveMenu = menu.findItem(R.id.move);
if (mFocusNoteDataItem.getParentId() == Notes.ID_CALL_RECORD_FOLDER
|| DataUtils.getUserFolderCount(mContentResolver) == 0) {
mMoveMenu.setVisible(false);
} else {
mMoveMenu.setVisible(true);
mMoveMenu.setOnMenuItemClickListener(this);
}
mActionMode = mode;
mNotesListAdapter.setChoiceMode(true);
mNotesListView.setLongClickable(false);
mAddNewNote.setVisibility(View.GONE);
View customView = LayoutInflater.from(NotesListActivity.this).inflate(
R.layout.note_list_dropdown_menu, null);
mode.setCustomView(customView);
mDropDownMenu = new DropdownMenu(NotesListActivity.this,
(Button) customView.findViewById(R.id.selection_menu),
R.menu.note_list_dropdown);
mDropDownMenu.setOnDropdownMenuItemClickListener(new PopupMenu.OnMenuItemClickListener(){
public boolean onMenuItemClick(MenuItem item) {
mNotesListAdapter.selectAll(!mNotesListAdapter.isAllSelected());
updateMenu();
return true;
}
});
return true;
}
private void updateMenu() {
int selectedCount = mNotesListAdapter.getSelectedCount();
// Update dropdown menu
String format = getResources().getString(R.string.menu_select_title, selectedCount);
mDropDownMenu.setTitle(format);
MenuItem item = mDropDownMenu.findItem(R.id.action_select_all);
if (item != null) {
if (mNotesListAdapter.isAllSelected()) {
item.setChecked(true);
item.setTitle(R.string.menu_deselect_all);
} else {
item.setChecked(false);
item.setTitle(R.string.menu_select_all);
}
}
}
public boolean onPrepareActionMode(ActionMode mode, Menu menu) {
// TODO Auto-generated method stub
return false;
}
public boolean onActionItemClicked(ActionMode mode, MenuItem item) {
// TODO Auto-generated method stub
return false;
}
public void onDestroyActionMode(ActionMode mode) {
mNotesListAdapter.setChoiceMode(false);
mNotesListView.setLongClickable(true);
mAddNewNote.setVisibility(View.VISIBLE);
}
public void finishActionMode() {
mActionMode.finish();
}
public void onItemCheckedStateChanged(ActionMode mode, int position, long id,
boolean checked) {
mNotesListAdapter.setCheckedItem(position, checked);
updateMenu();
}
public boolean onMenuItemClick(MenuItem item) {
if (mNotesListAdapter.getSelectedCount() == 0) {
Toast.makeText(NotesListActivity.this, getString(R.string.menu_select_none),
Toast.LENGTH_SHORT).show();
return true;
}
switch (item.getItemId()) {
case R.id.delete:
AlertDialog.Builder builder = new AlertDialog.Builder(NotesListActivity.this);
builder.setTitle(getString(R.string.alert_title_delete));
builder.setIcon(android.R.drawable.ic_dialog_alert);
builder.setMessage(getString(R.string.alert_message_delete_notes,
mNotesListAdapter.getSelectedCount()));
builder.setPositiveButton(android.R.string.ok,
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog,
int which) {
batchDelete();
}
});
builder.setNegativeButton(android.R.string.cancel, null);
builder.show();
break;
case R.id.move:
startQueryDestinationFolders();
break;
default:
return false;
}
return true;
}
}
private class NewNoteOnTouchListener implements OnTouchListener {
public boolean onTouch(View v, MotionEvent event) {
switch (event.getAction()) {
case MotionEvent.ACTION_DOWN: {
Display display = getWindowManager().getDefaultDisplay();
int screenHeight = display.getHeight();
int newNoteViewHeight = mAddNewNote.getHeight();
int start = screenHeight - newNoteViewHeight;
int eventY = start + (int) event.getY();
/**
* Minus TitleBar's height
*/
if (mState == ListEditState.SUB_FOLDER) {
eventY -= mTitleBar.getHeight();
start -= mTitleBar.getHeight();
}
/**
* HACKME:When click the transparent part of "New Note" button, dispatch
* the event to the list view behind this button. The transparent part of
* "New Note" button could be expressed by formula y=-0.12x+94（Unit:pixel）
* and the line top of the button. The coordinate based on left of the "New
* Note" button. The 94 represents maximum height of the transparent part.
* Notice that, if the background of the button changes, the formula should
* also change. This is very bad, just for the UI designer's strong requirement.
*/
if (event.getY() < (event.getX() * (-0.12) + 94)) {
View view = mNotesListView.getChildAt(mNotesListView.getChildCount() - 1
- mNotesListView.getFooterViewsCount());
if (view != null && view.getBottom() > start
&& (view.getTop() < (start + 94))) {
mOriginY = (int) event.getY();
mDispatchY = eventY;
event.setLocation(event.getX(), mDispatchY);
mDispatch = true;
return mNotesListView.dispatchTouchEvent(event);
}
}
break;
}
case MotionEvent.ACTION_MOVE: {
if (mDispatch) {
mDispatchY += (int) event.getY() - mOriginY;
event.setLocation(event.getX(), mDispatchY);
return mNotesListView.dispatchTouchEvent(event);
}
break;
}
default: {
if (mDispatch) {
event.setLocation(event.getX(), mDispatchY);
mDispatch = false;
return mNotesListView.dispatchTouchEvent(event);
}
break;
}
}
return false;
}
};
private void startAsyncNotesListQuery() {
String selection = (mCurrentFolderId == Notes.ID_ROOT_FOLDER) ? ROOT_FOLDER_SELECTION
: NORMAL_SELECTION;
mBackgroundQueryHandler.startQuery(FOLDER_NOTE_LIST_QUERY_TOKEN, null,
Notes.CONTENT_NOTE_URI, NoteItemData.PROJECTION, selection, new String[] {
String.valueOf(mCurrentFolderId)
}, NoteColumns.TYPE + " DESC," + NoteColumns.MODIFIED_DATE + " DESC");
}
private final class BackgroundQueryHandler extends AsyncQueryHandler {
public BackgroundQueryHandler(ContentResolver contentResolver) {
super(contentResolver);
}
@Override
protected void onQueryComplete(int token, Object cookie, Cursor cursor) {
switch (token) {
case FOLDER_NOTE_LIST_QUERY_TOKEN:
mNotesListAdapter.changeCursor(cursor);
break;
case FOLDER_LIST_QUERY_TOKEN:
if (cursor != null && cursor.getCount() > 0) {
showFolderListMenu(cursor);
} else {
Log.e(TAG, "Query folder failed");
}
break;
default:
return;
}
}
}
private void showFolderListMenu(Cursor cursor) {
AlertDialog.Builder builder = new AlertDialog.Builder(NotesListActivity.this);
builder.setTitle(R.string.menu_title_select_folder);
final FoldersListAdapter adapter = new FoldersListAdapter(this, cursor);
builder.setAdapter(adapter, new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
DataUtils.batchMoveToFolder(mContentResolver,
mNotesListAdapter.getSelectedItemIds(), adapter.getItemId(which));
Toast.makeText(
NotesListActivity.this,
getString(R.string.format_move_notes_to_folder,
mNotesListAdapter.getSelectedCount(),
adapter.getFolderName(NotesListActivity.this, which)),
Toast.LENGTH_SHORT).show();
mModeCallBack.finishActionMode();
}
});
builder.show();
}
private void createNewNote() {
Intent intent = new Intent(this, NoteEditActivity.class);
intent.setAction(Intent.ACTION_INSERT_OR_EDIT);
intent.putExtra(Notes.INTENT_EXTRA_FOLDER_ID, mCurrentFolderId);
this.startActivityForResult(intent, REQUEST_CODE_NEW_NODE);
}
private void batchDelete() {
new AsyncTask<Void, Void, HashSet<AppWidgetAttribute>>() {
protected HashSet<AppWidgetAttribute> doInBackground(Void... unused) {
HashSet<AppWidgetAttribute> widgets = mNotesListAdapter.getSelectedWidget();
if (!isSyncMode()) {
// if not synced, delete notes directly
if (DataUtils.batchDeleteNotes(mContentResolver, mNotesListAdapter
.getSelectedItemIds())) {
} else {
Log.e(TAG, "Delete notes error, should not happens");
}
} else {
// in sync mode, we'll move the deleted note into the trash
// folder
if (!DataUtils.batchMoveToFolder(mContentResolver, mNotesListAdapter
.getSelectedItemIds(), Notes.ID_TRASH_FOLER)) {
Log.e(TAG, "Move notes to trash folder error, should not happens");
}
}
return widgets;
}
@Override
protected void onPostExecute(HashSet<AppWidgetAttribute> widgets) {
if (widgets != null) {
for (AppWidgetAttribute widget : widgets) {
if (widget.widgetId != AppWidgetManager.INVALID_APPWIDGET_ID
&& widget.widgetType != Notes.TYPE_WIDGET_INVALIDE) {
updateWidget(widget.widgetId, widget.widgetType);
}
}
}
mModeCallBack.finishActionMode();
}
}.execute();
}
private void deleteFolder(long folderId) {
if (folderId == Notes.ID_ROOT_FOLDER) {
Log.e(TAG, "Wrong folder id, should not happen " + folderId);
return;
}
HashSet<Long> ids = new HashSet<Long>();
ids.add(folderId);
HashSet<AppWidgetAttribute> widgets = DataUtils.getFolderNoteWidget(mContentResolver,
folderId);
if (!isSyncMode()) {
// if not synced, delete folder directly
DataUtils.batchDeleteNotes(mContentResolver, ids);
} else {
// in sync mode, we'll move the deleted folder into the trash folder
DataUtils.batchMoveToFolder(mContentResolver, ids, Notes.ID_TRASH_FOLER);
}
if (widgets != null) {
for (AppWidgetAttribute widget : widgets) {
if (widget.widgetId != AppWidgetManager.INVALID_APPWIDGET_ID
&& widget.widgetType != Notes.TYPE_WIDGET_INVALIDE) {
updateWidget(widget.widgetId, widget.widgetType);
}
}
}
}
private void openNode(NoteItemData data) {
Intent intent = new Intent(this, NoteEditActivity.class);
intent.setAction(Intent.ACTION_VIEW);
intent.putExtra(Intent.EXTRA_UID, data.getId());
this.startActivityForResult(intent, REQUEST_CODE_OPEN_NODE);
}
private void openFolder(NoteItemData data) {
mCurrentFolderId = data.getId();
startAsyncNotesListQuery();
if (data.getId() == Notes.ID_CALL_RECORD_FOLDER) {
mState = ListEditState.CALL_RECORD_FOLDER;
mAddNewNote.setVisibility(View.GONE);
} else {
mState = ListEditState.SUB_FOLDER;
}
if (data.getId() == Notes.ID_CALL_RECORD_FOLDER) {
mTitleBar.setText(R.string.call_record_folder_name);
} else {
mTitleBar.setText(data.getSnippet());
}
mTitleBar.setVisibility(View.VISIBLE);
}
public void onClick(View v) {
switch (v.getId()) {
case R.id.btn_new_note:
createNewNote();
break;
default:
break;
}
}
private void showSoftInput() {
InputMethodManager inputMethodManager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
if (inputMethodManager != null) {
inputMethodManager.toggleSoftInput(InputMethodManager.SHOW_FORCED, 0);
}
}
private void hideSoftInput(View view) {
InputMethodManager inputMethodManager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
inputMethodManager.hideSoftInputFromWindow(view.getWindowToken(), 0);
}
private void showCreateOrModifyFolderDialog(final boolean create) {
final AlertDialog.Builder builder = new AlertDialog.Builder(this);
View view = LayoutInflater.from(this).inflate(R.layout.dialog_edit_text, null);
final EditText etName = (EditText) view.findViewById(R.id.et_foler_name);
showSoftInput();
if (!create) {
if (mFocusNoteDataItem != null) {
etName.setText(mFocusNoteDataItem.getSnippet());
builder.setTitle(getString(R.string.menu_folder_change_name));
} else {
Log.e(TAG, "The long click data item is null");
return;
}
} else {
etName.setText("");
builder.setTitle(this.getString(R.string.menu_create_folder));
}
builder.setPositiveButton(android.R.string.ok, null);
builder.setNegativeButton(android.R.string.cancel, new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
hideSoftInput(etName);
}
});
final Dialog dialog = builder.setView(view).show();
final Button positive = (Button)dialog.findViewById(android.R.id.button1);
positive.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
hideSoftInput(etName);
String name = etName.getText().toString();
if (DataUtils.checkVisibleFolderName(mContentResolver, name)) {
Toast.makeText(NotesListActivity.this, getString(R.string.folder_exist, name),
Toast.LENGTH_LONG).show();
etName.setSelection(0, etName.length());
return;
}
if (!create) {
if (!TextUtils.isEmpty(name)) {
ContentValues values = new ContentValues();
values.put(NoteColumns.SNIPPET, name);
values.put(NoteColumns.TYPE, Notes.TYPE_FOLDER);
values.put(NoteColumns.LOCAL_MODIFIED, 1);
mContentResolver.update(Notes.CONTENT_NOTE_URI, values, NoteColumns.ID
+ "=?", new String[] {
String.valueOf(mFocusNoteDataItem.getId())
});
}
} else if (!TextUtils.isEmpty(name)) {
ContentValues values = new ContentValues();
values.put(NoteColumns.SNIPPET, name);
values.put(NoteColumns.TYPE, Notes.TYPE_FOLDER);
mContentResolver.insert(Notes.CONTENT_NOTE_URI, values);
}
dialog.dismiss();
}
});
if (TextUtils.isEmpty(etName.getText())) {
positive.setEnabled(false);
}
/**
* When the name edit text is null, disable the positive button
*/
etName.addTextChangedListener(new TextWatcher() {
public void beforeTextChanged(CharSequence s, int start, int count, int after) {
// TODO Auto-generated method stub
}
public void onTextChanged(CharSequence s, int start, int before, int count) {
if (TextUtils.isEmpty(etName.getText())) {
positive.setEnabled(false);
} else {
positive.setEnabled(true);
}
}
public void afterTextChanged(Editable s) {
// TODO Auto-generated method stub
}
});
}
@Override
public void onBackPressed() {
switch (mState) {
case SUB_FOLDER:
mCurrentFolderId = Notes.ID_ROOT_FOLDER;
mState = ListEditState.NOTE_LIST;
startAsyncNotesListQuery();
mTitleBar.setVisibility(View.GONE);
break;
case CALL_RECORD_FOLDER:
mCurrentFolderId = Notes.ID_ROOT_FOLDER;
mState = ListEditState.NOTE_LIST;
mAddNewNote.setVisibility(View.VISIBLE);
mTitleBar.setVisibility(View.GONE);
startAsyncNotesListQuery();
break;
case NOTE_LIST:
super.onBackPressed();
break;
default:
break;
}
}
private void updateWidget(int appWidgetId, int appWidgetType) {
Intent intent = new Intent(AppWidgetManager.ACTION_APPWIDGET_UPDATE);
if (appWidgetType == Notes.TYPE_WIDGET_2X) {
intent.setClass(this, NoteWidgetProvider_2x.class);
} else if (appWidgetType == Notes.TYPE_WIDGET_4X) {
intent.setClass(this, NoteWidgetProvider_4x.class);
} else {
Log.e(TAG, "Unspported widget type");
return;
}
intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_IDS, new int[] {
appWidgetId
});
sendBroadcast(intent);
setResult(RESULT_OK, intent);
}
private final OnCreateContextMenuListener mFolderOnCreateContextMenuListener = new OnCreateContextMenuListener() {
public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
if (mFocusNoteDataItem != null) {
menu.setHeaderTitle(mFocusNoteDataItem.getSnippet());
menu.add(0, MENU_FOLDER_VIEW, 0, R.string.menu_folder_view);
menu.add(0, MENU_FOLDER_DELETE, 0, R.string.menu_folder_delete);
menu.add(0, MENU_FOLDER_CHANGE_NAME, 0, R.string.menu_folder_change_name);
}
}
};
@Override
public void onContextMenuClosed(Menu menu) {
if (mNotesListView != null) {
mNotesListView.setOnCreateContextMenuListener(null);
}
super.onContextMenuClosed(menu);
}
// 省略其他方法...
@Override
public boolean onContextItemSelected(MenuItem item) {
if (mFocusNoteDataItem == null) {
Log.e(TAG, "The long click data item is null");
return false;
}
switch (item.getItemId()) {
case MENU_FOLDER_VIEW:
openFolder(mFocusNoteDataItem);
break;
case MENU_FOLDER_DELETE:
AlertDialog.Builder builder = new AlertDialog.Builder(this);
builder.setTitle(getString(R.string.alert_title_delete));
builder.setIcon(android.R.drawable.ic_dialog_alert);
builder.setMessage(getString(R.string.alert_message_delete_folder));
builder.setPositiveButton(android.R.string.ok,
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
deleteFolder(mFocusNoteDataItem.getId());
}
});
builder.setNegativeButton(android.R.string.cancel, null);
builder.show();
break;
case MENU_FOLDER_CHANGE_NAME:
showCreateOrModifyFolderDialog(false);
break;
default:
break;
}
return true;
}
@Override
public boolean onPrepareOptionsMenu(Menu menu) {
menu.clear();
if (mState == ListEditState.NOTE_LIST) {
getMenuInflater().inflate(R.menu.note_list, menu);
// set sync or sync_cancel
menu.findItem(R.id.menu_sync).setTitle(
GTaskSyncService.isSyncing() ? R.string.menu_sync_cancel : R.string.menu_sync);
} else if (mState == ListEditState.SUB_FOLDER) {
getMenuInflater().inflate(R.menu.sub_folder, menu);
} else if (mState == ListEditState.CALL_RECORD_FOLDER) {
getMenuInflater().inflate(R.menu.call_record_folder, menu);
} else {
Log.e(TAG, "Wrong state:" + mState);
}
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case R.id.menu_new_folder: {
showCreateOrModifyFolderDialog(true);
break;
}
case R.id.menu_export_text: {
exportNoteToText();
break;
}
case R.id.menu_sync: {
if (isSyncMode()) {
if (TextUtils.equals(item.getTitle(), getString(R.string.menu_sync))) {
GTaskSyncService.startSync(this);
} else {
GTaskSyncService.cancelSync(this);
}
} else {
startPreferenceActivity();
}
break;
}
case R.id.menu_setting: {
startPreferenceActivity();
break;
}
case R.id.menu_new_note: {
createNewNote();
break;
}
case R.id.menu_search:
onSearchRequested();
break;
default:
break;
}
return true;
}
@Override
public boolean onSearchRequested() {
startSearch(null, false, null /* appData */, false);
return true;
}
private void exportNoteToText() {
final BackupUtils backup = BackupUtils.getInstance(NotesListActivity.this);
new AsyncTask<Void, Void, Integer>() {
@Override
protected Integer doInBackground(Void... unused) {
return backup.exportToText();
}
@Override
protected void onPostExecute(Integer result) {
if (result == BackupUtils.STATE_SD_CARD_UNMOUONTED) {
AlertDialog.Builder builder = new AlertDialog.Builder(NotesListActivity.this);
builder.setTitle(NotesListActivity.this
.getString(R.string.failed_sdcard_export));
builder.setMessage(NotesListActivity.this
.getString(R.string.error_sdcard_unmounted));
builder.setPositiveButton(android.R.string.ok, null);
builder.show();
} else if (result == BackupUtils.STATE_SUCCESS) {
AlertDialog.Builder builder = new AlertDialog.Builder(NotesListActivity.this);
builder.setTitle(NotesListActivity.this
.getString(R.string.success_sdcard_export));
builder.setMessage(NotesListActivity.this.getString(
R.string.format_exported_file_location, backup
.getExportedTextFileName(), backup.getExportedTextFileDir()));
builder.setPositiveButton(android.R.string.ok, null);
builder.show();
} else if (result == BackupUtils.STATE_SYSTEM_ERROR) {
AlertDialog.Builder builder = new AlertDialog.Builder(NotesListActivity.this);
builder.setTitle(NotesListActivity.this
.getString(R.string.failed_sdcard_export));
builder.setMessage(NotesListActivity.this
.getString(R.string.error_sdcard_export));
builder.setPositiveButton(android.R.string.ok, null);
builder.show();
}
}
}.execute();
}
private boolean isSyncMode() {
return NotesPreferenceActivity.getSyncAccountName(this).trim().length() > 0;
}
private void startPreferenceActivity() {
Activity from = getParent() != null ? getParent() : this;
Intent intent = new Intent(from, NotesPreferenceActivity.class);
from.startActivityIfNeeded(intent, -1);
}
private class OnListItemClickListener implements OnItemClickListener {
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
if (view instanceof NotesListItem) {
NoteItemData item = ((NotesListItem) view).getItemData();
if (mNotesListAdapter.isInChoiceMode()) {
if (item.getType() == Notes.TYPE_NOTE) {
position = position - mNotesListView.getHeaderViewsCount();
mModeCallBack.onItemCheckedStateChanged(null, position, id,
!mNotesListAdapter.isSelectedItem(position));
}
return;
}
switch (mState) {
case NOTE_LIST:
if (item.getType() == Notes.TYPE_FOLDER
|| item.getType() == Notes.TYPE_SYSTEM) {
openFolder(item);
} else if (item.getType() == Notes.TYPE_NOTE) {
openNode(item);
} else {
Log.e(TAG, "Wrong note type in NOTE_LIST");
}
break;
case SUB_FOLDER:
case CALL_RECORD_FOLDER:
if (item.getType() == Notes.TYPE_NOTE) {
openNode(item);
} else {
Log.e(TAG, "Wrong note type in SUB_FOLDER");
}
break;
default:
break;
}
}
}
}
private void startQueryDestinationFolders() {
String selection = NoteColumns.TYPE + "=? AND " + NoteColumns.PARENT_ID + "<>? AND " + NoteColumns.ID + "<>?";
selection = (mState == ListEditState.NOTE_LIST) ? selection:
"(" + selection + ") OR (" + NoteColumns.ID + "=" + Notes.ID_ROOT_FOLDER + ")";
mBackgroundQueryHandler.startQuery(FOLDER_LIST_QUERY_TOKEN,
null,
Notes.CONTENT_NOTE_URI,
FoldersListAdapter.PROJECTION,
selection,
new String[] {
String.valueOf(Notes.TYPE_FOLDER),
String.valueOf(Notes.ID_TRASH_FOLER),
String.valueOf(mCurrentFolderId)
},
NoteColumns.MODIFIED_DATE + " DESC");
}
public boolean onItemLongClick(AdapterView<?> parent, View view, int position, long id) {
if (view instanceof NotesListItem) {
mFocusNoteDataItem = ((NotesListItem) view).getItemData();
if (mFocusNoteDataItem.getType() == Notes.TYPE_NOTE && !mNotesListAdapter.isInChoiceMode()) {
if (mNotesListView.startActionMode(mModeCallBack) != null) {
mModeCallBack.onItemCheckedStateChanged(null, position, id, true);
mNotesListView.performHapticFeedback(HapticFeedbackConstants.LONG_PRESS);
} else {
Log.e(TAG, "startActionMode fails");
}
} else if (mFocusNoteDataItem.getType() == Notes.TYPE_FOLDER) {
mNotesListView.setOnCreateContextMenuListener(mFolderOnCreateContextMenuListener);
}
}
return false;
}
}

264
src/net/micode/notes/ui/NotesListAdapter.java
Unescape View File

@ -37,6 +37,270 @@ public class NotesListAdapter extends CursorAdapter {
private HashMap<Integer, Boolean> mSelectedIndex;
private int mNotesCount;
private boolean mChoiceMode;
/*
* 版权所有 (c) 2010-2011, MiCode开源社区 (www.micode.net)
*
* 根据Apache License 2.0授权许可（"许可证"）;
* 除非符合许可证规定，否则不得使用此文件。
* 您可以从以下网址获取许可证副本：
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* 除非法律要求或书面同意，否则根据许可证分发的软件按“原样”分发，
* 不提供任何明示或暗示的担保或条件。请参见许可证以了解具体的权限和限制。
*/
package net.micode.notes.ui;
import android.content.Context;
import android.database.Cursor;
import android.util.Log;
import android.view.View;
import android.view.ViewGroup;
import android.widget.CursorAdapter;
import net.micode.notes.data.Notes;
import java.util.Collection;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
/**
* NotesListAdapter 类是用于管理笔记列表视图的适配器，负责将数据从数据库绑定到 ListView 中。
*/
public class NotesListAdapter extends CursorAdapter {
private static final String TAG = "NotesListAdapter";
private Context mContext;
private HashMap<Integer, Boolean> mSelectedIndex; // 记录选中的项
private int mNotesCount; // 笔记总数
private boolean mChoiceMode; // 是否处于多选模式
/**
* AppWidgetAttribute 类用于存储小部件属性。
*/
public static class AppWidgetAttribute {
public int widgetId; // 小部件ID
public int widgetType; // 小部件类型
}
/**
* 构造函数，初始化适配器。
*
* @param context 上下文
*/
public NotesListAdapter(Context context) {
super(context, null);
mSelectedIndex = new HashMap<Integer, Boolean>();
mContext = context;
mNotesCount = 0;
}
/**
* 创建新的视图项。
*
* @param context 上下文
* @param cursor 游标
* @param parent 父视图
* @return 新创建的视图
*/
@Override
public View newView(Context context, Cursor cursor, ViewGroup parent) {
return new NotesListItem(context);
}
/**
* 绑定数据到视图。
*
* @param view 视图
* @param context 上下文
* @param cursor 游标
*/
@Override
public void bindView(View view, Context context, Cursor cursor) {
if (view instanceof NotesListItem) {
NoteItemData itemData = new NoteItemData(context, cursor);
((NotesListItem) view).bind(context, itemData, mChoiceMode,
isSelectedItem(cursor.getPosition()));
}
}
/**
* 设置指定位置的项是否被选中。
*
* @param position 位置
* @param checked 是否选中
*/
public void setCheckedItem(final int position, final boolean checked) {
mSelectedIndex.put(position, checked);
notifyDataSetChanged();
}
/**
* 检查是否处于多选模式。
*
* @return 是否处于多选模式
*/
public boolean isInChoiceMode() {
return mChoiceMode;
}
/**
* 设置多选模式。
*
* @param mode 是否启用多选模式
*/
public void setChoiceMode(boolean mode) {
mSelectedIndex.clear();
mChoiceMode = mode;
}
/**
* 全选或取消全选所有笔记项。
*
* @param checked 是否选中
*/
public void selectAll(boolean checked) {
Cursor cursor = getCursor();
for (int i = 0; i < getCount(); i++) {
if (cursor.moveToPosition(i)) {
if (NoteItemData.getNoteType(cursor) == Notes.TYPE_NOTE) {
setCheckedItem(i, checked);
}
}
}
}
/**
* 获取所有选中的笔记项ID集合。
*
* @return 选中的笔记项ID集合
*/
public HashSet<Long> getSelectedItemIds() {
HashSet<Long> itemSet = new HashSet<Long>();
for (Integer position : mSelectedIndex.keySet()) {
if (mSelectedIndex.get(position) == true) {
Long id = getItemId(position);
if (id == Notes.ID_ROOT_FOLDER) {
Log.d(TAG, "错误的项ID，不应该发生");
} else {
itemSet.add(id);
}
}
}
return itemSet;
}
/**
* 获取所有选中的笔记项对应的小部件属性集合。
*
* @return 小部件属性集合
*/
public HashSet<AppWidgetAttribute> getSelectedWidget() {
HashSet<AppWidgetAttribute> itemSet = new HashSet<AppWidgetAttribute>();
for (Integer position : mSelectedIndex.keySet()) {
if (mSelectedIndex.get(position) == true) {
Cursor c = (Cursor) getItem(position);
if (c != null) {
AppWidgetAttribute widget = new AppWidgetAttribute();
NoteItemData item = new NoteItemData(mContext, c);
widget.widgetId = item.getWidgetId();
widget.widgetType = item.getWidgetType();
itemSet.add(widget);
/**
* 不要在这里关闭游标，只有适配器可以关闭它
*/
} else {
Log.e(TAG, "无效的游标");
return null;
}
}
}
return itemSet;
}
/**
* 获取选中项的数量。
*
* @return 选中项的数量
*/
public int getSelectedCount() {
Collection<Boolean> values = mSelectedIndex.values();
if (null == values) {
return 0;
}
Iterator<Boolean> iter = values.iterator();
int count = 0;
while (iter.hasNext()) {
if (true == iter.next()) {
count++;
}
}
return count;
}
/**
* 检查是否所有项都被选中。
*
* @return 是否所有项都被选中
*/
public boolean isAllSelected() {
int checkedCount = getSelectedCount();
return (checkedCount != 0 && checkedCount == mNotesCount);
}
/**
* 检查指定位置的项是否被选中。
*
* @param position 位置
* @return 是否被选中
*/
public boolean isSelectedItem(final int position) {
if (null == mSelectedIndex.get(position)) {
return false;
}
return mSelectedIndex.get(position);
}
/**
* 内容变化时调用。
*/
@Override
protected void onContentChanged() {
super.onContentChanged();
calcNotesCount();
}
/**
* 更换游标时调用。
*
* @param cursor 新游标
*/
@Override
public void changeCursor(Cursor cursor) {
super.changeCursor(cursor);
calcNotesCount();
}
/**
* 计算笔记总数。
*/
private void calcNotesCount() {
mNotesCount = 0;
for (int i = 0; i < getCount(); i++) {
Cursor c = (Cursor) getItem(i);
if (c != null) {
if (NoteItemData.getNoteType(c) == Notes.TYPE_NOTE) {
mNotesCount++;
}
} else {
Log.e(TAG, "无效的游标");
return;
}
}
}
}
public static class AppWidgetAttribute {
public int widgetId;

134
src/net/micode/notes/ui/NotesListItem.java
Unescape View File

@ -1,17 +1,14 @@
/*
* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
* 版权所有 (c) 2010-2011, MiCode开源社区 (www.micode.net)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* 根据Apache License 2.0授权许可（"许可证"）;
* 除非符合许可证规定，否则不得使用此文件。
* 您可以从以下网址获取许可证副本：
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* 除非法律要求或书面同意，否则根据许可证分发的软件按“原样”分发，
* 不提供任何明示或暗示的担保或条件。请参见许可证以了解具体的权限和限制。
*/
package net.micode.notes.ui;
@ -29,93 +26,122 @@ import net.micode.notes.data.Notes;
import net.micode.notes.tool.DataUtils;
import net.micode.notes.tool.ResourceParser.NoteItemBgResources;
/**
* NotesListItem 类用于表示笔记列表中的每一项视图，负责将数据绑定到视图元素上。
*/
public class NotesListItem extends LinearLayout {
private ImageView mAlert;
private TextView mTitle;
private TextView mTime;
private TextView mCallName;
private NoteItemData mItemData;
private CheckBox mCheckBox;
private ImageView mAlert; // 警告图标
private TextView mTitle; // 标题文本
private TextView mTime; // 时间文本
private TextView mCallName; // 通话记录名称
private NoteItemData mItemData; // 当前项的数据
private CheckBox mCheckBox; // 多选框
/**
* 构造函数，初始化视图组件。
*
* @param context 上下文
*/
public NotesListItem(Context context) {
super(context);
inflate(context, R.layout.note_item, this);
mAlert = (ImageView) findViewById(R.id.iv_alert_icon);
mTitle = (TextView) findViewById(R.id.tv_title);
mTime = (TextView) findViewById(R.id.tv_time);
mCallName = (TextView) findViewById(R.id.tv_name);
mCheckBox = (CheckBox) findViewById(android.R.id.checkbox);
inflate(context, R.layout.note_item, this); // 加载布局文件
mAlert = (ImageView) findViewById(R.id.iv_alert_icon); // 初始化警告图标
mTitle = (TextView) findViewById(R.id.tv_title); // 初始化标题文本
mTime = (TextView) findViewById(R.id.tv_time); // 初始化时间文本
mCallName = (TextView) findViewById(R.id.tv_name); // 初始化通话记录名称
mCheckBox = (CheckBox) findViewById(android.R.id.checkbox); // 初始化多选框
}
/**
* 绑定数据到视图。
*
* @param context 上下文
* @param data 数据对象
* @param choiceMode 是否处于多选模式
* @param checked 是否选中
*/
public void bind(Context context, NoteItemData data, boolean choiceMode, boolean checked) {
if (choiceMode && data.getType() == Notes.TYPE_NOTE) {
mCheckBox.setVisibility(View.VISIBLE);
mCheckBox.setChecked(checked);
mCheckBox.setVisibility(View.VISIBLE); // 显示多选框
mCheckBox.setChecked(checked); // 设置多选框状态
} else {
mCheckBox.setVisibility(View.GONE);
mCheckBox.setVisibility(View.GONE); // 隐藏多选框
}
mItemData = data;
mItemData = data; // 设置当前项的数据
if (data.getId() == Notes.ID_CALL_RECORD_FOLDER) {
mCallName.setVisibility(View.GONE);
mAlert.setVisibility(View.VISIBLE);
mTitle.setTextAppearance(context, R.style.TextAppearancePrimaryItem);
mCallName.setVisibility(View.GONE); // 隐藏通话记录名称
mAlert.setVisibility(View.VISIBLE); // 显示警告图标
mTitle.setTextAppearance(context, R.style.TextAppearancePrimaryItem); // 设置标题样式
mTitle.setText(context.getString(R.string.call_record_folder_name)
+ context.getString(R.string.format_folder_files_count, data.getNotesCount()));
mAlert.setImageResource(R.drawable.call_record);
+ context.getString(R.string.format_folder_files_count, data.getNotesCount())); // 设置标题文本
mAlert.setImageResource(R.drawable.call_record); // 设置警告图标资源
} else if (data.getParentId() == Notes.ID_CALL_RECORD_FOLDER) {
mCallName.setVisibility(View.VISIBLE);
mCallName.setText(data.getCallName());
mTitle.setTextAppearance(context,R.style.TextAppearanceSecondaryItem);
mTitle.setText(DataUtils.getFormattedSnippet(data.getSnippet()));
mCallName.setVisibility(View.VISIBLE); // 显示通话记录名称
mCallName.setText(data.getCallName()); // 设置通话记录名称文本
mTitle.setTextAppearance(context, R.style.TextAppearanceSecondaryItem); // 设置标题样式
mTitle.setText(DataUtils.getFormattedSnippet(data.getSnippet())); // 设置标题文本
if (data.hasAlert()) {
mAlert.setImageResource(R.drawable.clock);
mAlert.setVisibility(View.VISIBLE);
mAlert.setImageResource(R.drawable.clock); // 设置警告图标资源
mAlert.setVisibility(View.VISIBLE); // 显示警告图标
} else {
mAlert.setVisibility(View.GONE);
mAlert.setVisibility(View.GONE); // 隐藏警告图标
}
} else {
mCallName.setVisibility(View.GONE);
mTitle.setTextAppearance(context, R.style.TextAppearancePrimaryItem);
mCallName.setVisibility(View.GONE); // 隐藏通话记录名称
mTitle.setTextAppearance(context, R.style.TextAppearancePrimaryItem); // 设置标题样式
if (data.getType() == Notes.TYPE_FOLDER) {
mTitle.setText(data.getSnippet()
+ context.getString(R.string.format_folder_files_count,
data.getNotesCount()));
mAlert.setVisibility(View.GONE);
data.getNotesCount())); // 设置标题文本
mAlert.setVisibility(View.GONE); // 隐藏警告图标
} else {
mTitle.setText(DataUtils.getFormattedSnippet(data.getSnippet()));
mTitle.setText(DataUtils.getFormattedSnippet(data.getSnippet())); // 设置标题文本
if (data.hasAlert()) {
mAlert.setImageResource(R.drawable.clock);
mAlert.setVisibility(View.VISIBLE);
mAlert.setImageResource(R.drawable.clock); // 设置警告图标资源
mAlert.setVisibility(View.VISIBLE); // 显示警告图标
} else {
mAlert.setVisibility(View.GONE);
mAlert.setVisibility(View.GONE); // 隐藏警告图标
}
}
}
mTime.setText(DateUtils.getRelativeTimeSpanString(data.getModifiedDate()));
setBackground(data);
mTime.setText(DateUtils.getRelativeTimeSpanString(data.getModifiedDate())); // 设置时间文本
setBackground(data); // 设置背景
}
/**
* 设置视图的背景。
*
* @param data 数据对象
*/
private void setBackground(NoteItemData data) {
int id = data.getBgColorId();
int id = data.getBgColorId(); // 获取背景颜色ID
if (data.getType() == Notes.TYPE_NOTE) {
if (data.isSingle() || data.isOneFollowingFolder()) {
setBackgroundResource(NoteItemBgResources.getNoteBgSingleRes(id));
setBackgroundResource(NoteItemBgResources.getNoteBgSingleRes(id)); // 设置单个笔记背景
} else if (data.isLast()) {
setBackgroundResource(NoteItemBgResources.getNoteBgLastRes(id));
setBackgroundResource(NoteItemBgResources.getNoteBgLastRes(id)); // 设置最后一个笔记背景
} else if (data.isFirst() || data.isMultiFollowingFolder()) {
setBackgroundResource(NoteItemBgResources.getNoteBgFirstRes(id));
setBackgroundResource(NoteItemBgResources.getNoteBgFirstRes(id)); // 设置第一个笔记背景
} else {
setBackgroundResource(NoteItemBgResources.getNoteBgNormalRes(id));
setBackgroundResource(NoteItemBgResources.getNoteBgNormalRes(id)); // 设置普通笔记背景
}
} else {
setBackgroundResource(NoteItemBgResources.getFolderBgRes());
setBackgroundResource(NoteItemBgResources.getFolderBgRes()); // 设置文件夹背景
}
}
/**
* 获取当前项的数据。
*
* @return 当前项的数据对象
*/
public NoteItemData getItemData() {
return mItemData;
}

96
src/net/micode/notes/ui/NotesPreferenceActivity.java
Unescape View File

@ -1,17 +1,12 @@
/*
* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
* 版权所有 (c) 2010-2011, MiCode开源社区 (www.micode.net)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* 本文件根据Apache License 2.0授权许可发布。您可以在以下网址获取许可证副本：
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* 除非适用法律要求或书面同意，否则在许可证下分发的软件按“原样”分发，
* 不提供任何明示或暗示的担保或条件。请参阅许可证以了解具体的权限和限制。
*/
package net.micode.notes.ui;
@ -47,35 +42,51 @@ import net.micode.notes.data.Notes;
import net.micode.notes.data.Notes.NoteColumns;
import net.micode.notes.gtask.remote.GTaskSyncService;
/**
* NotesPreferenceActivity 类用于管理笔记应用的设置界面，包括同步账户选择、同步按钮操作等。
*/
public class NotesPreferenceActivity extends PreferenceActivity {
// 设置页面的偏好设置名称
public static final String PREFERENCE_NAME = "notes_preferences";
// 同步账户名称的偏好设置键
public static final String PREFERENCE_SYNC_ACCOUNT_NAME = "pref_key_account_name";
// 上次同步时间的偏好设置键
public static final String PREFERENCE_LAST_SYNC_TIME = "pref_last_sync_time";
// 背景颜色随机出现的偏好设置键
public static final String PREFERENCE_SET_BG_COLOR_KEY = "pref_key_bg_random_appear";
// 同步账户分类的偏好设置键
private static final String PREFERENCE_SYNC_ACCOUNT_KEY = "pref_sync_account_key";
// 权限过滤键
private static final String AUTHORITIES_FILTER_KEY = "authorities";
// 账户分类
private PreferenceCategory mAccountCategory;
// 广播接收器
private GTaskReceiver mReceiver;
// 原始账户数组
private Account[] mOriAccounts;
// 是否已添加新账户
private boolean mHasAddedAccount;
/**
* 创建设置界面时调用的方法，初始化界面元素并注册广播接收器。
*/
@Override
protected void onCreate(Bundle icicle) {
super.onCreate(icicle);
/* using the app icon for navigation */
// 使用应用图标进行导航
getActionBar().setDisplayHomeAsUpEnabled(true);
// 添加偏好设置资源
addPreferencesFromResource(R.xml.preferences);
mAccountCategory = (PreferenceCategory) findPreference(PREFERENCE_SYNC_ACCOUNT_KEY);
mReceiver = new GTaskReceiver();
@ -88,12 +99,14 @@ public class NotesPreferenceActivity extends PreferenceActivity {
getListView().addHeaderView(header, null, true);
}
/**
* 恢复设置界面时调用的方法，检查是否有新账户并刷新UI。
*/
@Override
protected void onResume() {
super.onResume();
// need to set sync account automatically if user has added a new
// account
// 如果用户添加了新账户，则自动设置同步账户
if (mHasAddedAccount) {
Account[] accounts = getGoogleAccounts();
if (mOriAccounts != null && accounts.length > mOriAccounts.length) {
@ -116,6 +129,9 @@ public class NotesPreferenceActivity extends PreferenceActivity {
refreshUI();
}
/**
* 销毁设置界面时调用的方法，注销广播接收器。
*/
@Override
protected void onDestroy() {
if (mReceiver != null) {
@ -124,6 +140,9 @@ public class NotesPreferenceActivity extends PreferenceActivity {
super.onDestroy();
}
/**
* 加载账户偏好设置，显示账户选择选项。
*/
private void loadAccountPreference() {
mAccountCategory.removeAll();
@ -135,11 +154,10 @@ public class NotesPreferenceActivity extends PreferenceActivity {
public boolean onPreferenceClick(Preference preference) {
if (!GTaskSyncService.isSyncing()) {
if (TextUtils.isEmpty(defaultAccount)) {
// the first time to set account
// 首次设置账户
showSelectAccountAlertDialog();
} else {
// if the account has already been set, we need to promp
// user about the risk
// 如果已经设置了账户，提示用户更改账户的风险
showChangeAccountConfirmAlertDialog();
}
} else {
@ -154,11 +172,14 @@ public class NotesPreferenceActivity extends PreferenceActivity {
mAccountCategory.addPreference(accountPref);
}
/**
* 加载同步按钮和上次同步时间的状态。
*/
private void loadSyncButton() {
Button syncButton = (Button) findViewById(R.id.preference_sync_button);
TextView lastSyncTimeView = (TextView) findViewById(R.id.prefenerece_sync_status_textview);
// set button state
// 设置按钮状态
if (GTaskSyncService.isSyncing()) {
syncButton.setText(getString(R.string.preferences_button_sync_cancel));
syncButton.setOnClickListener(new View.OnClickListener() {
@ -176,7 +197,7 @@ public class NotesPreferenceActivity extends PreferenceActivity {
}
syncButton.setEnabled(!TextUtils.isEmpty(getSyncAccountName(this)));
// set last sync time
// 设置上次同步时间
if (GTaskSyncService.isSyncing()) {
lastSyncTimeView.setText(GTaskSyncService.getProgressString());
lastSyncTimeView.setVisibility(View.VISIBLE);
@ -193,11 +214,17 @@ public class NotesPreferenceActivity extends PreferenceActivity {
}
}
/**
* 刷新UI，重新加载账户偏好设置和同步按钮。
*/
private void refreshUI() {
loadAccountPreference();
loadSyncButton();
}
/**
* 显示选择账户的对话框。
*/
private void showSelectAccountAlertDialog() {
AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(this);
@ -254,6 +281,9 @@ public class NotesPreferenceActivity extends PreferenceActivity {
});
}
/**
* 显示确认更改账户的对话框。
*/
private void showChangeAccountConfirmAlertDialog() {
AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(this);
@ -283,11 +313,17 @@ public class NotesPreferenceActivity extends PreferenceActivity {
dialogBuilder.show();
}
/**
* 获取Google账户列表。
*/
private Account[] getGoogleAccounts() {
AccountManager accountManager = AccountManager.get(this);
return accountManager.getAccountsByType("com.google");
}
/**
* 设置同步账户，并清理相关数据。
*/
private void setSyncAccount(String account) {
if (!getSyncAccountName(this).equals(account)) {
SharedPreferences settings = getSharedPreferences(PREFERENCE_NAME, Context.MODE_PRIVATE);
@ -299,10 +335,10 @@ public class NotesPreferenceActivity extends PreferenceActivity {
}
editor.commit();
// clean up last sync time
// 清理上次同步时间
setLastSyncTime(this, 0);
// clean up local gtask related info
// 清理本地与GTask相关的数据
new Thread(new Runnable() {
public void run() {
ContentValues values = new ContentValues();
@ -318,6 +354,9 @@ public class NotesPreferenceActivity extends PreferenceActivity {
}
}
/**
* 移除同步账户，并清理相关数据。
*/
private void removeSyncAccount() {
SharedPreferences settings = getSharedPreferences(PREFERENCE_NAME, Context.MODE_PRIVATE);
SharedPreferences.Editor editor = settings.edit();
@ -329,7 +368,7 @@ public class NotesPreferenceActivity extends PreferenceActivity {
}
editor.commit();
// clean up local gtask related info
// 清理本地与GTask相关的数据
new Thread(new Runnable() {
public void run() {
ContentValues values = new ContentValues();
@ -340,12 +379,18 @@ public class NotesPreferenceActivity extends PreferenceActivity {
}).start();
}
/**
* 获取当前设置的同步账户名称。
*/
public static String getSyncAccountName(Context context) {
SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME,
Context.MODE_PRIVATE);
return settings.getString(PREFERENCE_SYNC_ACCOUNT_NAME, "");
}
/**
* 设置上次同步时间。
*/
public static void setLastSyncTime(Context context, long time) {
SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME,
Context.MODE_PRIVATE);
@ -354,12 +399,18 @@ public class NotesPreferenceActivity extends PreferenceActivity {
editor.commit();
}
/**
* 获取上次同步时间。
*/
public static long getLastSyncTime(Context context) {
SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME,
Context.MODE_PRIVATE);
return settings.getLong(PREFERENCE_LAST_SYNC_TIME, 0);
}
/**
* 广播接收器类，用于处理同步服务的广播消息。
*/
private class GTaskReceiver extends BroadcastReceiver {
@Override
@ -374,6 +425,9 @@ public class NotesPreferenceActivity extends PreferenceActivity {
}
}
/**
* 处理菜单项选择事件。
*/
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case android.R.id.home:

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