From 1f726ddbefd1d9cf6b55460b082873be6ccfe139 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E5=87=8C=E5=AD=90=E6=9D=B0?= <1277628121@qq.com> Date: Fri, 14 Apr 2023 14:29:49 +0800 Subject: [PATCH] =?UTF-8?q?=E6=A0=87=E6=B3=A8?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- .../210340015_凌子杰/ui/AlarmReceiver.java | 39 + .../ui/DateTimePicker.java | 495 ++++++++ .../ui/DateTimePickerDialog.java | 102 ++ .../210340015_凌子杰/ui/DropdownMenu.java | 67 ++ .../ui/FoldersListAdapter.java | 87 ++ .../ui/NoteEditActivity.java | 1049 +++++++++++++++++ .../210340015_凌子杰/ui/NoteEditText.java | 272 +++++ .../210340015_凌子杰/ui/NoteItemData.java | 232 ++++ 8 files changed, 2343 insertions(+) create mode 100644 doc/标注/210340015_凌子杰/ui/AlarmReceiver.java create mode 100644 doc/标注/210340015_凌子杰/ui/DateTimePicker.java create mode 100644 doc/标注/210340015_凌子杰/ui/DateTimePickerDialog.java create mode 100644 doc/标注/210340015_凌子杰/ui/DropdownMenu.java create mode 100644 doc/标注/210340015_凌子杰/ui/FoldersListAdapter.java create mode 100644 doc/标注/210340015_凌子杰/ui/NoteEditActivity.java create mode 100644 doc/标注/210340015_凌子杰/ui/NoteEditText.java create mode 100644 doc/标注/210340015_凌子杰/ui/NoteItemData.java diff --git a/doc/标注/210340015_凌子杰/ui/AlarmReceiver.java b/doc/标注/210340015_凌子杰/ui/AlarmReceiver.java new file mode 100644 index 0000000..d0f90e6 --- /dev/null +++ b/doc/标注/210340015_凌子杰/ui/AlarmReceiver.java @@ -0,0 +1,39 @@ +/* + * Copyright (c) 2010-2011, The MiCode Open Source Community (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 + * + * 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. + */ + +package net.micode.notes.ui; + +import android.content.BroadcastReceiver; +import android.content.Context; +import android.content.Intent; + +public class AlarmReceiver extends BroadcastReceiver { + @Override + public void onReceive(Context context, Intent intent) { + intent.setClass(context, AlarmAlertActivity.class); + //启动AlarmAlertActivity + intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK); + //activity要存在于activity的栈中,而非activity的途径启动activity时必然不存在一个activity的栈 + //所以要新起一个栈装入启动的activity + context.startActivity(intent); + } +} +//这是实现alarm这个功能最接近用户层的包,基于上面的两个包, +<<<<<<< remotes/origin/lzj_branch +//作用还需要深究但是对于setClass和addFlags的 +======= +//作用还需要深究但是对于setClass和addFlags的 +>>>>>>> local diff --git a/doc/标注/210340015_凌子杰/ui/DateTimePicker.java b/doc/标注/210340015_凌子杰/ui/DateTimePicker.java new file mode 100644 index 0000000..30ccd1e --- /dev/null +++ b/doc/标注/210340015_凌子杰/ui/DateTimePicker.java @@ -0,0 +1,495 @@ +/* + * Copyright (c) 2010-2011, The MiCode Open Source Community (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 + * + * 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. + */ + +public class DateTimePicker extends FrameLayout { + //FrameLayout是布局模板之一 + //所有的子元素全部在屏幕的右上方 + 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; + //初始化控件 + private final NumberPicker mDateSpinner; + private final NumberPicker mHourSpinner; + private final NumberPicker mMinuteSpinner; + private final NumberPicker mAmPmSpinner; + //NumberPicker是数字选择器 + //这里定义的四个变量全部是在设置闹钟时需要选择的变量(如日期、时、分、上午或者下午) + private Calendar mDate; + //定义了Calendar类型的变量mDate,用于操作时间 + 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(); + } + };//OnValueChangeListener,这是时间改变监听器,这里主要是对日期的监听 + //将现在日期的值传递给mDate;updateDateControl是同步操作 + + private NumberPicker.OnValueChangeListener mOnHourChangedListener = new NumberPicker.OnValueChangeListener() { + //这里是对 小时(Hour) 的监听 + @Override + public void onValueChange(NumberPicker picker, int oldVal, int newVal) { + boolean isDateChanged = false; + Calendar cal = Calendar.getInstance(); + //声明一个Calendar的变量cal,便于后续的操作 + 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; + //这里是对于12小时制时,晚上11点和12点交替时对日期的更改 + } 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; + } + //这里是对于12小时制时,凌晨11点和12点交替时对日期的更改 + 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(); + } + //这里是对于12小时制时,中午11点和12点交替时对AM和PM的更改 + } else { + if (oldVal == HOURS_IN_ALL_DAY - 1 && newVal == 0) { + cal.setTimeInMillis(mDate.getTimeInMillis()); + cal.add(Calendar.DAY_OF_YEAR, 1); + isDateChanged = true; + //这里是对于24小时制时,晚上11点和12点交替时对日期的更改 + } else if (oldVal == 0 && newVal == HOURS_IN_ALL_DAY - 1) { + cal.setTimeInMillis(mDate.getTimeInMillis()); + cal.add(Calendar.DAY_OF_YEAR, -1); + isDateChanged = true; + } + }//这里是对于12小时制时,凌晨11点和12点交替时对日期的更改 + int newHour = mHourSpinner.getValue() % HOURS_IN_HALF_DAY + (mIsAm ? 0 : HOURS_IN_HALF_DAY); + //通过数字选择器对newHour的赋值 + mDate.set(Calendar.HOUR_OF_DAY, newHour); + //通过set函数将新的Hour值传给mDate + 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 + //这里是对 分钟(Minute)改变的监听 + public void onValueChange(NumberPicker picker, int oldVal, int newVal) { + int minValue = mMinuteSpinner.getMinValue(); + int maxValue = mMinuteSpinner.getMaxValue(); + int offset = 0; + //设置offset,作为小时改变的一个记录数据 + if (oldVal == maxValue && newVal == minValue) { + offset += 1; + } else if (oldVal == minValue && newVal == maxValue) { + offset -= 1; + } + //如果原值为59,新值为0,则offset加1 + //如果原值为0,新值为59,则offset减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() { + //对AM和PM的监听 + @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()); + } + //通过对数据库的访问,获取当前的系统时间 + public DateTimePicker(Context context, long date) { + this(context, date, DateFormat.is24HourFormat(context)); + }//上面函数的得到的是一个天文数字(1970至今的秒数),需要DateFormat将其变得有意义 + + public DateTimePicker(Context context, long date, boolean is24HourView) { + super(context);//获取系统时间 + mDate = Calendar.getInstance(); + mInitialising = true; + mIsAm = getCurrentHourOfDay() >= HOURS_IN_HALF_DAY; + inflate(context, R.layout.datetime_picker, this); + //如果当前Activity里用到别的layout,比如对话框layout + //还要设置这个layout上的其他组件的内容,就必须用inflate()方法先将对话框的layout找出来 + //然后再用findViewById()找到它上面的其它组件 + 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; + } + //存在疑问:setEnabled的作用 + //下面的代码通过原程序的注释已经比较清晰,另外可以通过函数名来判断 + //下面的各函数主要是对上面代码引用到的各函数功能的实现 + @Override + public boolean isEnabled() { + return mIsEnabled; + } + + /** + * Get the current date in millis + * + * @return the current date in millis + */ + public long getCurrentDateInTimeMillis() { + return mDate.getTimeInMillis(); + } + //实现函数——得到当前的秒数 + + /** + * Set the current date + * + * @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)); + }//实现函数功能——设置当前的时间,参数是date + + /** + * Set the current date + * + * @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 + */ + public void setCurrentDate(int year, int month, + int dayOfMonth, int hourOfDay, int minute) { + setCurrentYear(year); + setCurrentMonth(month); + setCurrentDay(dayOfMonth); + setCurrentHour(hourOfDay); + setCurrentMinute(minute); + }//实现函数功能——设置当前的时间,参数是各详细的变量 + + /** + * Get current year + * + * @return The current year + */ + //下面是得到year、month、day等值 + public int getCurrentYear() { + return mDate.get(Calendar.YEAR); + } + + /** + * 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(); + } + + /** + * Get current month in the year + * + * @return The current month in the year + */ + public int getCurrentMonth() { + return mDate.get(Calendar.MONTH); + } + + /** + * Set current month in the year + * + * @param month The month in the year + */ + public void setCurrentMonth(int month) { + if (!mInitialising && month == getCurrentMonth()) { + 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); + } + + /** + * Set current day of the month + * + * @param dayOfMonth The day of the month + */ + public void setCurrentDay(int dayOfMonth) { + if (!mInitialising && dayOfMonth == getCurrentDay()) { + return; + } + mDate.set(Calendar.DAY_OF_MONTH, dayOfMonth); + updateDateControl(); + onDateTimeChanged(); + } + + /** + * Get current hour in 24 hour mode, in the range (0~23) + * @return The current hour in 24 hour mode + */ + public int getCurrentHourOfDay() { + return mDate.get(Calendar.HOUR_OF_DAY); + } + + private int getCurrentHour() { + if (mIs24HourView){ + return getCurrentHourOfDay(); + } else { + int hour = getCurrentHourOfDay(); + if (hour > HOURS_IN_HALF_DAY) { + return hour - HOURS_IN_HALF_DAY; + } else { + return hour == 0 ? HOURS_IN_HALF_DAY : hour; + } + } + } + + /** + * Set current hour in 24 hour mode, in the range (0~23) + * + * @param hourOfDay + */ + public void setCurrentHour(int hourOfDay) { + if (!mInitialising && hourOfDay == getCurrentHourOfDay()) { + return; + } + 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(); + } + + /** + * Get currentMinute + * + * @return The Current Minute + */ + public int getCurrentMinute() { + return mDate.get(Calendar.MINUTE); + } + + /** + * 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. + * + * @param is24HourView True for 24 hour mode. False for AM/PM mode. + */ + 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(); + }// 对于星期几的算法 + + private void updateAmPmControl() { + if (mIs24HourView) { + mAmPmSpinner.setVisibility(View.GONE); + } else { + int index = mIsAm ? Calendar.AM : Calendar.PM; + mAmPmSpinner.setValue(index); + mAmPmSpinner.setVisibility(View.VISIBLE); + } + }// 对于上下午操作的算法 + + 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); + } + }// 对于小时的算法 + + /** + * Set the callback that indicates the 'Set' button has been pressed. + * @param callback the callback, if null will do nothing + */ + public void setOnDateTimeChangedListener(OnDateTimeChangedListener callback) { + mOnDateTimeChangedListener = callback; + } + + private void onDateTimeChanged() { + if (mOnDateTimeChangedListener != null) { + mOnDateTimeChangedListener.onDateTimeChanged(this, getCurrentYear(), + getCurrentMonth(), getCurrentDay(), getCurrentHourOfDay(), getCurrentMinute()); + } + } +} + diff --git a/doc/标注/210340015_凌子杰/ui/DateTimePickerDialog.java b/doc/标注/210340015_凌子杰/ui/DateTimePickerDialog.java new file mode 100644 index 0000000..3df9568 --- /dev/null +++ b/doc/标注/210340015_凌子杰/ui/DateTimePickerDialog.java @@ -0,0 +1,102 @@ +/* + * Copyright (c) 2010-2011, The MiCode Open Source Community (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 + * + * 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. + */ + +package net.micode.notes.ui; + +import java.util.Calendar; + +import net.micode.notes.R; +import net.micode.notes.ui.DateTimePicker; +import net.micode.notes.ui.DateTimePicker.OnDateTimeChangedListener; + +import android.app.AlertDialog; +import android.content.Context; +import android.content.DialogInterface; +import android.content.DialogInterface.OnClickListener; +import android.text.format.DateFormat; +import android.text.format.DateUtils; + +public class DateTimePickerDialog extends AlertDialog implements OnClickListener { + + private Calendar mDate = Calendar.getInstance(); + //创建一个Calendar类型的变量 mDate,方便时间的操作 + private boolean mIs24HourView; + private OnDateTimeSetListener mOnDateTimeSetListener; + //声明一个时间日期滚动选择控件 mOnDateTimeSetListener + private DateTimePicker mDateTimePicker; + //DateTimePicker控件,控件一般用于让用户可以从日期列表中选择单个值。 + //运行时,单击控件边上的下拉箭头,会显示为两个部分:一个下拉列表,一个用于选择日期的 + public interface OnDateTimeSetListener { + void OnDateTimeSet(AlertDialog dialog, long date); + } + + public DateTimePickerDialog(Context context, long date) { + //对该界面对话框的实例化 + super(context); + //对数据库的操作 + mDateTimePicker = new DateTimePicker(context); + setView(mDateTimePicker); + //添加一个子视图 + mDateTimePicker.setOnDateTimeChangedListener(new OnDateTimeChangedListener() { + public void onDateTimeChanged(DateTimePicker view, int year, int month, + int dayOfMonth, int hourOfDay, int minute) { + mDate.set(Calendar.YEAR, year); + mDate.set(Calendar.MONTH, month); + mDate.set(Calendar.DAY_OF_MONTH, dayOfMonth); + mDate.set(Calendar.HOUR_OF_DAY, hourOfDay); + mDate.set(Calendar.MINUTE, minute); + //将视图中的各选项设置为系统当前时间 + updateTitle(mDate.getTimeInMillis()); + } + }); + mDate.setTimeInMillis(date); + //得到系统时间 + mDate.set(Calendar.SECOND, 0); + //将秒数设置为0 + mDateTimePicker.setCurrentDate(mDate.getTimeInMillis()); + setButton(context.getString(R.string.datetime_dialog_ok), this); + setButton2(context.getString(R.string.datetime_dialog_cancel), (OnClickListener)null); + //设置按钮 + set24HourView(DateFormat.is24HourFormat(this.getContext())); + //时间标准化打印 + updateTitle(mDate.getTimeInMillis()); + } + + public void set24HourView(boolean is24HourView) { + mIs24HourView = is24HourView; + } + + public void setOnDateTimeSetListener(OnDateTimeSetListener callBack) { + mOnDateTimeSetListener = callBack; + }//将时间日期滚动选择控件实例化 + + 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; + setTitle(DateUtils.formatDateTime(this.getContext(), date, flag)); + }//android开发中常见日期管理工具类(API)——DateUtils:按照上下午显示时间 + + public void onClick(DialogInterface arg0, int arg1) { + if (mOnDateTimeSetListener != null) { + mOnDateTimeSetListener.OnDateTimeSet(this, mDate.getTimeInMillis()); + } + }//第一个参数arg0是接收到点击事件的对话框 + //第二个参数arg1是该对话框上的按钮 + +} \ No newline at end of file diff --git a/doc/标注/210340015_凌子杰/ui/DropdownMenu.java b/doc/标注/210340015_凌子杰/ui/DropdownMenu.java new file mode 100644 index 0000000..7a4e0da --- /dev/null +++ b/doc/标注/210340015_凌子杰/ui/DropdownMenu.java @@ -0,0 +1,67 @@ +/* + * Copyright (c) 2010-2011, The MiCode Open Source Community (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 + * + * 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. + */ + +package net.micode.notes.ui; + +import android.content.Context; +import android.view.Menu; +import android.view.MenuItem; +import android.view.View; +import android.view.View.OnClickListener; +import android.widget.Button; +import android.widget.PopupMenu; +import android.widget.PopupMenu.OnMenuItemClickListener; + +import net.micode.notes.R; + +public class DropdownMenu { + private Button mButton; + private PopupMenu mPopupMenu; + //声明一个下拉菜单 + private Menu mMenu; + + public DropdownMenu(Context context, Button button, int menuId) { + mButton = button; + mButton.setBackgroundResource(R.drawable.dropdown_icon); + //设置这个view的背景 + mPopupMenu = new PopupMenu(context, mButton); + mMenu = mPopupMenu.getMenu(); + mPopupMenu.getMenuInflater().inflate(menuId, mMenu); + //MenuInflater是用来实例化Menu目录下的Menu布局文件 + //根据ID来确认menu的内容选项 + mButton.setOnClickListener(new OnClickListener() { + public void onClick(View v) { + mPopupMenu.show(); + } + }); + } + + public void setOnDropdownMenuItemClickListener(OnMenuItemClickListener listener) { + if (mPopupMenu != null) { + mPopupMenu.setOnMenuItemClickListener(listener); + }//设置菜单的监听 + } + + public MenuItem findItem(int id) { + return mMenu.findItem(id); + } + //对于菜单选项的初始化,根据索引搜索菜单需要的选项 + + public void setTitle(CharSequence title) { + mButton.setText(title); + } + //布局文件,设置标题 +} diff --git a/doc/标注/210340015_凌子杰/ui/FoldersListAdapter.java b/doc/标注/210340015_凌子杰/ui/FoldersListAdapter.java new file mode 100644 index 0000000..ab83701 --- /dev/null +++ b/doc/标注/210340015_凌子杰/ui/FoldersListAdapter.java @@ -0,0 +1,87 @@ +/* + * Copyright (c) 2010-2011, The MiCode Open Source Community (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 + * + * 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. + */ + +package net.micode.notes.ui; + +import android.content.Context; +import android.database.Cursor; +import android.view.View; +import android.view.ViewGroup; +import android.widget.CursorAdapter; +import android.widget.LinearLayout; +import android.widget.TextView; + +import net.micode.notes.R; +import net.micode.notes.data.Notes; +import net.micode.notes.data.Notes.NoteColumns; + + +public class FoldersListAdapter extends CursorAdapter { + //CursorAdapter是Cursor和ListView的接口 + //FoldersListAdapter继承了CursorAdapter的类 + //主要作用是便签数据库和用户的交互 + //这里就是用folder(文件夹)的形式展现给用户 + public static final String [] PROJECTION = { + NoteColumns.ID, + NoteColumns.SNIPPET + };//调用数据库中便签的ID和片段 + + public static final int ID_COLUMN = 0; + public static final int NAME_COLUMN = 1; + + public FoldersListAdapter(Context context, Cursor c) { + super(context, c); + // TODO Auto-generated constructor stub + }//数据库操作 + + @Override + public View newView(Context context, Cursor cursor, ViewGroup parent) { + //ViewGroup是容器 + return new FolderListItem(context); + }//创建一个文件夹,对于各文件夹中子标签的初始化 + + @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); + } + }//将各个布局文件绑定起来 + + 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); + }//根据数据库中标签的ID得到标签的各项内容 + + private class FolderListItem extends LinearLayout { + private TextView mName; + + public FolderListItem(Context context) { + super(context); + //操作数据库 + inflate(context, R.layout.folder_list_item, this); + //根据布局文件的名字等信息将其找出来 + mName = (TextView) findViewById(R.id.tv_folder_name); + } + + public void bind(String name) { + mName.setText(name); + } + } + +} diff --git a/doc/标注/210340015_凌子杰/ui/NoteEditActivity.java b/doc/标注/210340015_凌子杰/ui/NoteEditActivity.java new file mode 100644 index 0000000..8ba7ee3 --- /dev/null +++ b/doc/标注/210340015_凌子杰/ui/NoteEditActivity.java @@ -0,0 +1,1049 @@ +/* + * Copyright (c) 2010-2011, The MiCode Open Source Community (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 + * + * 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. + */ + +package net.micode.notes.ui; + +import android.app.Activity; +import android.app.AlarmManager; +import android.app.AlertDialog; +import android.app.PendingIntent; +import android.app.SearchManager; +import android.appwidget.AppWidgetManager; +import android.content.ContentUris; +import android.content.Context; +import android.content.DialogInterface; +import android.content.Intent; +import android.content.SharedPreferences; +import android.graphics.Paint; +import android.os.Bundle; +import android.preference.PreferenceManager; +import android.text.Spannable; +import android.text.SpannableString; +import android.text.TextUtils; +import android.text.format.DateUtils; +import android.text.style.BackgroundColorSpan; +import android.util.Log; +import android.view.LayoutInflater; +import android.view.Menu; +import android.view.MenuItem; +import android.view.MotionEvent; +import android.view.View; +import android.view.View.OnClickListener; +import android.view.WindowManager; +import android.widget.CheckBox; +import android.widget.CompoundButton; +import android.widget.CompoundButton.OnCheckedChangeListener; +import android.widget.EditText; +import android.widget.ImageView; +import android.widget.LinearLayout; +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.TextNote; +import net.micode.notes.model.WorkingNote; +import net.micode.notes.model.WorkingNote.NoteSettingChangedListener; +import net.micode.notes.tool.DataUtils; +import net.micode.notes.tool.ResourceParser; +import net.micode.notes.tool.ResourceParser.TextAppearanceResources; +import net.micode.notes.ui.DateTimePickerDialog.OnDateTimeSetListener; +import net.micode.notes.ui.NoteEditText.OnTextViewChangeListener; +import net.micode.notes.widget.NoteWidgetProvider_2x; +import net.micode.notes.widget.NoteWidgetProvider_4x; + +import java.util.HashMap; +import java.util.HashSet; +import java.util.Map; +import java.util.regex.Matcher; +import java.util.regex.Pattern; + + +public class NoteEditActivity extends Activity implements OnClickListener, + NoteSettingChangedListener, OnTextViewChangeListener { + //该类主要是针对标签的编辑 + //继承了系统内部许多和监听有关的类 + private class HeadViewHolder { + public TextView tvModified; + + public ImageView ivAlertIcon; + + public TextView tvAlertDate; + + public ImageView ibSetBgColor; + } + //使用Map实现数据存储 + private static final Map sBgSelectorBtnsMap = new HashMap(); + static { + sBgSelectorBtnsMap.put(R.id.iv_bg_yellow, ResourceParser.YELLOW); + sBgSelectorBtnsMap.put(R.id.iv_bg_red, ResourceParser.RED); + sBgSelectorBtnsMap.put(R.id.iv_bg_blue, ResourceParser.BLUE); + sBgSelectorBtnsMap.put(R.id.iv_bg_green, ResourceParser.GREEN); + sBgSelectorBtnsMap.put(R.id.iv_bg_white, ResourceParser.WHITE); + //put函数是将指定值和指定键相连 + } + + private static final Map sBgSelectorSelectionMap = new HashMap(); + static { + sBgSelectorSelectionMap.put(ResourceParser.YELLOW, R.id.iv_bg_yellow_select); + sBgSelectorSelectionMap.put(ResourceParser.RED, R.id.iv_bg_red_select); + sBgSelectorSelectionMap.put(ResourceParser.BLUE, R.id.iv_bg_blue_select); + sBgSelectorSelectionMap.put(ResourceParser.GREEN, R.id.iv_bg_green_select); + sBgSelectorSelectionMap.put(ResourceParser.WHITE, R.id.iv_bg_white_select); + //put函数是将指定值和指定键相连 + } + + private static final Map sFontSizeBtnsMap = new HashMap(); + static { + sFontSizeBtnsMap.put(R.id.ll_font_large, ResourceParser.TEXT_LARGE); + sFontSizeBtnsMap.put(R.id.ll_font_small, ResourceParser.TEXT_SMALL); + sFontSizeBtnsMap.put(R.id.ll_font_normal, ResourceParser.TEXT_MEDIUM); + sFontSizeBtnsMap.put(R.id.ll_font_super, ResourceParser.TEXT_SUPER); + //put函数是将指定值和指定键相连 + } + + private static final Map sFontSelectorSelectionMap = new HashMap(); + static { + sFontSelectorSelectionMap.put(ResourceParser.TEXT_LARGE, R.id.iv_large_select); + sFontSelectorSelectionMap.put(ResourceParser.TEXT_SMALL, R.id.iv_small_select); + sFontSelectorSelectionMap.put(ResourceParser.TEXT_MEDIUM, R.id.iv_medium_select); + sFontSelectorSelectionMap.put(ResourceParser.TEXT_SUPER, R.id.iv_super_select); + //put函数是将指定值和指定键相连 + } + + private static final String TAG = "NoteEditActivity"; + + private HeadViewHolder mNoteHeaderHolder; + + private View mHeadViewPanel; + //私有化一个界面操作mHeadViewPanel,对表头的操作 + private View mNoteBgColorSelector; + //私有化一个界面操作mNoteBgColorSelector,对背景颜色的操作 + private View mFontSizeSelector; + //私有化一个界面操作mFontSizeSelector,对标签字体的操作 + private EditText mNoteEditor; + //声明编辑控件,对文本操作 + private View mNoteEditorPanel; + //私有化一个界面操作mNoteEditorPanel,文本编辑的控制板 + //private WorkingNote mWorkingNote; + private WorkingNote mWorkingNote; + //对模板WorkingNote的初始化 + private SharedPreferences mSharedPrefs; + //私有化SharedPreferences的数据存储方式 + //它的本质是基于XML文件存储key-value键值对数据 + private int mFontSizeId; + //用于操作字体的大小 + 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; + //线性布局 + private String mUserQuery; + private Pattern mPattern; + + @Override + protected void onCreate(Bundle savedInstanceState) { + super.onCreate(savedInstanceState); + this.setContentView(R.layout.note_edit); + //对数据库的访问操作 + if (savedInstanceState == null && !initActivityState(getIntent())) { + finish(); + return; + } + initResources(); + } + + /** + * 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 + */ + @Override + protected void onRestoreInstanceState(Bundle savedInstanceState) { + super.onRestoreInstanceState(savedInstanceState); + if (savedInstanceState != null && savedInstanceState.containsKey(Intent.EXTRA_UID)) { + Intent intent = new Intent(Intent.ACTION_VIEW); + intent.putExtra(Intent.EXTRA_UID, savedInstanceState.getLong(Intent.EXTRA_UID)); + if (!initActivityState(intent)) { + finish(); + return; + } + Log.d(TAG, "Restoring from killed activity"); + }//为防止内存不足时程序的终止,在这里有一个保存现场的函数 + } + + private boolean initActivityState(Intent intent) { + /** + * If the user specified the {@link Intent#ACTION_VIEW} but not provided with id, + * then jump to the NotesListActivity + */ + mWorkingNote = null; + if (TextUtils.equals(Intent.ACTION_VIEW, intent.getAction())) { + long noteId = intent.getLongExtra(Intent.EXTRA_UID, 0); + mUserQuery = ""; + //如果用户实例化标签时,系统并未给出标签ID + /** + * Starting from the searched result + */ + //根据键值查找ID + if (intent.hasExtra(SearchManager.EXTRA_DATA_KEY)) { + noteId = Long.parseLong(intent.getStringExtra(SearchManager.EXTRA_DATA_KEY)); + mUserQuery = intent.getStringExtra(SearchManager.USER_QUERY); + } + //如果ID在数据库中未找到 + if (!DataUtils.visibleInNoteDatabase(getContentResolver(), noteId, Notes.TYPE_NOTE)) { + Intent jump = new Intent(this, NotesListActivity.class); + startActivity(jump); + //程序将跳转到上面声明的intent——jump + showToast(R.string.error_note_not_exist); + finish(); + return false; + }//ID在数据库中找到 + else { + mWorkingNote = WorkingNote.load(this, noteId); + if (mWorkingNote == null) { + Log.e(TAG, "load note failed with note id" + noteId); + //打印出红色的错误信息 + finish(); + return false; + } + } + //setSoftInputMode——软键盘输入模式 + getWindow().setSoftInputMode( + 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 + // 大多用于broadcast发送广播时给机制(intent)设置一个action,就是一个字符串 + // 用户可以通过receive(接受)intent,通过 getAction得到的字符串,来决定做什么 + long folderId = intent.getLongExtra(Notes.INTENT_EXTRA_FOLDER_ID, 0); + int widgetId = intent.getIntExtra(Notes.INTENT_EXTRA_WIDGET_ID, + AppWidgetManager.INVALID_APPWIDGET_ID); + int widgetType = intent.getIntExtra(Notes.INTENT_EXTRA_WIDGET_TYPE, + Notes.TYPE_WIDGET_INVALIDE); + int bgResId = intent.getIntExtra(Notes.INTENT_EXTRA_BACKGROUND_ID, + ResourceParser.getDefaultBgId(this)); + // intent.getInt(Long、String)Extra是对各变量的语法分析 + // 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) { + if (TextUtils.isEmpty(phoneNumber)) { + Log.w(TAG, "The call record number is null"); + } + long noteId = 0; + if ((noteId = DataUtils.getNoteIdByPhoneNumberAndCallDate(getContentResolver(), + phoneNumber, callDate)) > 0) { + mWorkingNote = WorkingNote.load(this, noteId); + if (mWorkingNote == null) { + Log.e(TAG, "load call note failed with note id" + noteId); + finish(); + return false; + }//将电话号码与手机的号码簿相关 + } else { + mWorkingNote = WorkingNote.createEmptyNote(this, folderId, widgetId, + widgetType, bgResId); + mWorkingNote.convertToCallNote(phoneNumber, callDate); + } + } else { + mWorkingNote = WorkingNote.createEmptyNote(this, folderId, widgetId, widgetType, + bgResId); + }//创建一个新的WorkingNote + + getWindow().setSoftInputMode( + WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE + | WindowManager.LayoutParams.SOFT_INPUT_STATE_VISIBLE); + } else { + Log.e(TAG, "Intent not specified action, should not support"); + finish(); + return false; + } + mWorkingNote.setOnSettingStatusChangedListener(this); + return true; + } + + @Override + protected void onResume() { + super.onResume(); + initNoteScreen(); + } + + private void initNoteScreen() { + //对界面的初始化操作 + mNoteEditor.setTextAppearance(this, TextAppearanceResources + .getTexAppearanceResource(mFontSizeId)); + //设置外观 + if (mWorkingNote.getCheckListMode() == TextNote.MODE_CHECK_LIST) { + switchToListMode(mWorkingNote.getContent()); + } else { + mNoteEditor.setText(getHighlightQueryResult(mWorkingNote.getContent(), mUserQuery)); + mNoteEditor.setSelection(mNoteEditor.getText().length()); + } + for (Integer id : sBgSelectorSelectionMap.keySet()) { + findViewById(sBgSelectorSelectionMap.get(id)).setVisibility(View.GONE); + } + mHeadViewPanel.setBackgroundResource(mWorkingNote.getTitleBgResId()); + mNoteEditorPanel.setBackgroundResource(mWorkingNote.getBgColorResId()); + + mNoteHeaderHolder.tvModified.setText(DateUtils.formatDateTime(this, + mWorkingNote.getModifiedDate(), DateUtils.FORMAT_SHOW_DATE + | 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(); + } + //设置闹钟的显示 + private void showAlertHeader() { + if (mWorkingNote.hasClockAlert()) { + long time = System.currentTimeMillis(); + if (time > mWorkingNote.getAlertDate()) { + mNoteHeaderHolder.tvAlertDate.setText(R.string.note_alert_expired); + } //如果系统时间大于了闹钟设置的时间,那么闹钟失效 + else { + mNoteHeaderHolder.tvAlertDate.setText(DateUtils.getRelativeTimeSpanString( + mWorkingNote.getAlertDate(), time, DateUtils.MINUTE_IN_MILLIS)); + } + mNoteHeaderHolder.tvAlertDate.setVisibility(View.VISIBLE); + mNoteHeaderHolder.ivAlertIcon.setVisibility(View.VISIBLE); + } //显示闹钟开启的图标 + else { + mNoteHeaderHolder.tvAlertDate.setVisibility(View.GONE); + mNoteHeaderHolder.ivAlertIcon.setVisibility(View.GONE); + }; + } + + @Override + protected void onNewIntent(Intent intent) { + super.onNewIntent(intent); + initActivityState(intent); + } + + @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(); + } + //在创建一个新的标签时,先在数据库中匹配 + //如果不存在,那么先在数据库中存储 + outState.putLong(Intent.EXTRA_UID, mWorkingNote.getNoteId()); + Log.d(TAG, "Save working note id: " + mWorkingNote.getNoteId() + " onSaveInstanceState"); + } + + @Override + //MotionEvent是对屏幕触控的传递机制 + public boolean dispatchTouchEvent(MotionEvent ev) { + if (mNoteBgColorSelector.getVisibility() == View.VISIBLE + && !inRangeOfView(mNoteBgColorSelector, ev)) { + mNoteBgColorSelector.setVisibility(View.GONE); + return true; + }//颜色选择器在屏幕上可见 + + if (mFontSizeSelector.getVisibility() == View.VISIBLE + && !inRangeOfView(mFontSizeSelector, ev)) { + mFontSizeSelector.setVisibility(View.GONE); + return true; + }//字体大小选择器在屏幕上可见 + return super.dispatchTouchEvent(ev); + } + //对屏幕触控的坐标进行操作 + private boolean inRangeOfView(View view, MotionEvent ev) { + int []location = new int[2]; + view.getLocationOnScreen(location); + int x = location[0]; + int y = location[1]; + if (ev.getX() < x + || ev.getX() > (x + view.getWidth()) + || ev.getY() < y + || ev.getY() > (y + view.getHeight())) + //如果触控的位置超出了给定的范围,返回false + { + return false; + } + return true; + } + + private void initResources() { + mHeadViewPanel = findViewById(R.id.note_title); + mNoteHeaderHolder = new HeadViewHolder(); + mNoteHeaderHolder.tvModified = (TextView) findViewById(R.id.tv_modified_date); + mNoteHeaderHolder.ivAlertIcon = (ImageView) findViewById(R.id.iv_alert_icon); + mNoteHeaderHolder.tvAlertDate = (TextView) findViewById(R.id.tv_alert_date); + mNoteHeaderHolder.ibSetBgColor = (ImageView) findViewById(R.id.btn_set_bg_color); + mNoteHeaderHolder.ibSetBgColor.setOnClickListener(this); + mNoteEditor = (EditText) findViewById(R.id.note_edit_view); + mNoteEditorPanel = findViewById(R.id.sv_note_edit); + mNoteBgColorSelector = findViewById(R.id.note_bg_color_selector); + for (int id : sBgSelectorBtnsMap.keySet()) { + ImageView iv = (ImageView) findViewById(id); + iv.setOnClickListener(this); + }//对标签各项属性内容的初始化 + + mFontSizeSelector = findViewById(R.id.font_size_selector); + for (int id : sFontSizeBtnsMap.keySet()) { + View view = findViewById(id); + view.setOnClickListener(this); + };//对字体大小的选择 + 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; + } + mEditTextList = (LinearLayout) findViewById(R.id.note_edit_list); + } + + @Override + protected void onPause() { + super.onPause(); + if(saveNote()) { + Log.d(TAG, "Note data was saved with length:" + mWorkingNote.getContent().length()); + } + clearSettingState(); + } + //和桌面小工具的同步 + private void updateWidget() { + Intent intent = new Intent(AppWidgetManager.ACTION_APPWIDGET_UPDATE); + if (mWorkingNote.getWidgetType() == Notes.TYPE_WIDGET_2X) { + intent.setClass(this, NoteWidgetProvider_2x.class); + } else if (mWorkingNote.getWidgetType() == 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[] { + mWorkingNote.getWidgetId() + }); + + sendBroadcast(intent); + setResult(RESULT_OK, intent); + } + + 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); + } else if (sBgSelectorBtnsMap.containsKey(id)) { + findViewById(sBgSelectorSelectionMap.get(mWorkingNote.getBgColorId())).setVisibility( + View.GONE); + mWorkingNote.setBgColorId(sBgSelectorBtnsMap.get(id)); + mNoteBgColorSelector.setVisibility(View.GONE); + } else if (sFontSizeBtnsMap.containsKey(id)) { + findViewById(sFontSelectorSelectionMap.get(mFontSizeId)).setVisibility(View.GONE); + mFontSizeId = sFontSizeBtnsMap.get(id); + mSharedPrefs.edit().putInt(PREFERENCE_FONT_SIZE, mFontSizeId).commit(); + findViewById(sFontSelectorSelectionMap.get(mFontSizeId)).setVisibility(View.VISIBLE); + if (mWorkingNote.getCheckListMode() == TextNote.MODE_CHECK_LIST) { + getWorkingText(); + switchToListMode(mWorkingNote.getContent()); + } else { + mNoteEditor.setTextAppearance(this, + TextAppearanceResources.getTexAppearanceResource(mFontSizeId)); + } + mFontSizeSelector.setVisibility(View.GONE); + } + }//************************存在问题 + + @Override + public void onBackPressed() { + if(clearSettingState()) { + return; + } + + 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 + //对选择菜单的准备 + 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); + // MenuInflater是用来实例化Menu目录下的Menu布局文件的 + } 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()) { + //根据菜单的id来编剧相关项目 + case R.id.menu_new_note: + //创建一个新的便签 + createNewNote(); + break; + case R.id.menu_delete: + //删除便签 + AlertDialog.Builder builder = new AlertDialog.Builder(this); + //创建关于删除操作的对话框 + builder.setTitle(getString(R.string.alert_title_delete)); + // 设置标签的标题为alert_title_delete + builder.setIcon(android.R.drawable.ic_dialog_alert); + //设置对话框图标 + builder.setMessage(getString(R.string.alert_message_delete_note)); + //设置对话框内容 + builder.setPositiveButton(android.R.string.ok, + new DialogInterface.OnClickListener() { + //建立按键监听器 + public void onClick(DialogInterface dialog, int which) { + //点击所触发事件 + deleteCurrentNote(); + // 删除单签便签 + finish(); + } + }); + //添加“YES”按钮 + builder.setNegativeButton(android.R.string.cancel, null); + //添加“NO”的按钮 + builder.show(); + //显示对话框 + break; + case R.id.menu_font_size: + //字体大小的编辑 + mFontSizeSelector.setVisibility(View.VISIBLE); + // 将字体选择器置为可见1 + findViewById(sFontSelectorSelectionMap.get(mFontSizeId)).setVisibility(View.VISIBLE); + // 通过id找到相应的大小 + break; + case R.id.menu_list_mode: + //选择列表模式 + mWorkingNote.setCheckListMode(mWorkingNote.getCheckListMode() == 0 ? + TextNote.MODE_CHECK_LIST : 0); + break; + case R.id.menu_share: + //菜单共享 + getWorkingText(); + sendTo(this, mWorkingNote.getContent()); + // 用sendto函数将运行文本发送到遍历的本文内 + break; + case R.id.menu_send_to_desktop: + //发送到桌面 + sendToDesktop(); + break; + case R.id.menu_alert: + //创建提醒器 + setReminder(); + break; + case R.id.menu_delete_remind: + //删除日期提醒 + mWorkingNote.setAlertDate(0, false); + break; + default: + break; + } + return true; + } + /* + * 函数功能:建立事件提醒器 + * 函数实现:如下注释 + */ + private void setReminder() { + DateTimePickerDialog d = new DateTimePickerDialog(this, System.currentTimeMillis()); + // 建立修改时间日期的对话框 + d.setOnDateTimeSetListener(new OnDateTimeSetListener() { + public void OnDateTimeSet(AlertDialog dialog, long date) { + mWorkingNote.setAlertDate(date , true); + //选择提醒的日期 + } + }); + //建立时间日期的监听器 + d.show(); + //显示对话框 + } + + /** + * Share note to apps that support {@link Intent#ACTION_SEND} action + * and {@text/plain} type + */ + /* + * 函数功能:共享便签 + * 函数实现:如下注释 + */ + private void sendTo(Context context, String info) { + Intent intent = new Intent(Intent.ACTION_SEND); + //建立intent链接选项 + intent.putExtra(Intent.EXTRA_TEXT, info); + //将需要传递的便签信息放入text文件中 + intent.setType("text/plain"); + //编辑连接器的类型 + context.startActivity(intent); + //在acti中进行链接 + } + + private void createNewNote() { + // Firstly, save current editing notes + //保存当前便签 + saveNote(); + + // For safety, start a new NoteEditActivity + finish(); + Intent intent = new Intent(this, NoteEditActivity.class); + //设置链接器 + intent.setAction(Intent.ACTION_INSERT_OR_EDIT); + //该活动定义为创建或编辑 + intent.putExtra(Notes.INTENT_EXTRA_FOLDER_ID, mWorkingNote.getFolderId()); + //将运行便签的id添加到INTENT_EXTRA_FOLDER_ID标记中 + startActivity(intent); + //开始activity并链接 + } + /* + * 函数功能:删除当前便签 + * 函数实现:如下注释 + */ + private void deleteCurrentNote() { + if (mWorkingNote.existInDatabase()) { + //假如当前运行的便签内存有数据 + HashSet ids = new HashSet(); + long id = mWorkingNote.getNoteId(); + if (id != Notes.ID_ROOT_FOLDER) { + ids.add(id); + //如果不是头文件夹建立一个hash表把便签id存起来 + } else { + Log.d(TAG, "Wrong note id, should not happen"); + //否则报错 + } + if (!isSyncMode()) { + //在非同步模式情况下 + //删除操作 + if (!DataUtils.batchDeleteNotes(getContentResolver(), ids)) { + Log.e(TAG, "Delete Note error"); + } + } else { + //同步模式 + //移动至垃圾文件夹的操作 + if (!DataUtils.batchMoveToFolder(getContentResolver(), ids, Notes.ID_TRASH_FOLER)) { + Log.e(TAG, "Move notes to trash folder error, should not happens"); + } + } + } + mWorkingNote.markDeleted(true); + //将这些标签的删除标记置为true + } + /* + * 函数功能:判断是否为同步模式 + * 函数实现:直接看NotesPreferenceActivity中同步名称是否为空 + */ + private boolean isSyncMode() { + return NotesPreferenceActivity.getSyncAccountName(this).trim().length() > 0; + } + /* + * 函数功能:设置提醒时间 + * 函数实现:如下注释 + */ + 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()) { + //首先保存已有的便签 + saveNote(); + } + if (mWorkingNote.getNoteId() > 0) { + Intent intent = new Intent(this, AlarmReceiver.class); + intent.setData(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, mWorkingNote.getNoteId())); + //若有有运行的便签就是建立一个链接器将标签id都存在uri中 + PendingIntent pendingIntent = PendingIntent.getBroadcast(this, 0, intent, 0); + AlarmManager alarmManager = ((AlarmManager) getSystemService(ALARM_SERVICE)); + //设置提醒管理器 + showAlertHeader(); + if(!set) { + alarmManager.cancel(pendingIntent); + } else { + alarmManager.set(AlarmManager.RTC_WAKEUP, date, pendingIntent); + } + //如果用户设置了时间,就通过提醒管理器设置一个监听事项 + } 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 + */ + //没有运行的便签就报错 + Log.e(TAG, "Clock alert setting error"); + showToast(R.string.error_note_empty_for_clock); + } + } + /* + * 函数功能:Widget发生改变的所触发的事件 + */ + public void onWidgetChanged() { + updateWidget(); + } + /* + * 函数功能: 删除编辑文本框所触发的事件 + * 函数实现:如下注释 + */ + public void onEditTextDelete(int index, String text) { + int childCount = mEditTextList.getChildCount(); + if (childCount == 1) { + return; + } + //没有编辑框的话直接返回 + for (int i = index + 1; i < childCount; i++) { + ((NoteEditText) mEditTextList.getChildAt(i).findViewById(R.id.et_edit_text)) + .setIndex(i - 1); + //通过id把编辑框存在便签编辑框中 + } + + mEditTextList.removeViewAt(index); + //删除特定位置的视图 + 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); + } + //通过id把编辑框存在空的NoteEditText中 + int length = edit.length(); + edit.append(text); + edit.requestFocus();//请求优先完成该此 编辑 + edit.setSelection(length);//定位到length位置处的条目 + } + /* + * 函数功能:进入编辑文本框所触发的事件 + * 函数实现:如下注释 + */ + 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"); + //越界把偶偶 + } + + View view = getListItem(text, index); + mEditTextList.addView(view, index); + //建立一个新的视图并添加到编辑文本框内 + NoteEditText edit = (NoteEditText) view.findViewById(R.id.et_edit_text); + edit.requestFocus();//请求优先操作 + edit.setSelection(0);//定位到起始位置 + for (int i = index + 1; i < mEditTextList.getChildCount(); i++) { + ((NoteEditText) mEditTextList.getChildAt(i).findViewById(R.id.et_edit_text)) + .setIndex(i); + //遍历子文本框并设置对应对下标 + } + } + /* + * 函数功能:切换至列表模式 + * 函数实现:如下注释 + */ + private void switchToListMode(String text) { + mEditTextList.removeAllViews(); + String[] items = text.split("\n"); + int index = 0; + //清空所有视图,初始化下标 + for (String item : items) { + if(!TextUtils.isEmpty(item)) { + mEditTextList.addView(getListItem(item, index)); + index++; + //遍历所有文本单元并添加到文本框中 + } + } + mEditTextList.addView(getListItem("", index)); + mEditTextList.getChildAt(index).findViewById(R.id.et_edit_text).requestFocus(); + //优先请求此操作 + mNoteEditor.setVisibility(View.GONE);//便签编辑器不可见 + mEditTextList.setVisibility(View.VISIBLE); //将文本编辑框置为可见 + } + /* + * 函数功能:获取高亮效果的反馈情况 + * 函数实现:如下注释 + */ + private Spannable getHighlightQueryResult(String fullText, String userQuery) { + SpannableString spannable = new SpannableString(fullText == null ? "" : fullText); + //新建一个效果选项 + if (!TextUtils.isEmpty(userQuery)) { + mPattern = Pattern.compile(userQuery); + //将用户的询问进行解析 + Matcher m = mPattern.matcher(fullText); + //建立一个状态机检查Pattern并进行匹配 + 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); + //设置背景颜色 + start = m.end(); + //跟新起始位置 + } + } + return spannable; + } + /* + * 函数功能:获取列表项 + * 函数实现:如下注释 + */ + private View getListItem(String item, int index) { + View view = LayoutInflater.from(this).inflate(R.layout.note_edit_list_item, null); + //创建一个视图 + final NoteEditText edit = (NoteEditText) view.findViewById(R.id.et_edit_text); + edit.setTextAppearance(this, TextAppearanceResources.getTexAppearanceResource(mFontSizeId)); + //创建一个文本编辑框并设置可见性 + 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); + } + } + }); + //建立一个打钩框并设置监听器 + if (item.startsWith(TAG_CHECKED)) { + //选择勾选 + 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)) { + //选择不勾选 + 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)); + //运行编辑框的监听器对该行为作出反应,并设置下标及文本内容 + return view; + } + /* + * 函数功能:便签内容发生改变所 触发的事件 + * 函数实现:如下注释 + */ + public void onTextChange(int index, boolean hasText) { + if (index >= mEditTextList.getChildCount()) { + Log.e(TAG, "Wrong index, should not happen"); + return; + //越界报错 + } + 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); + } + //如果内容不为空则将其子编辑框可见性置为可见,否则不可见 + } + /* + * 函数功能:检查模式和列表模式的切换 + * 函数实现:如下注释 + */ + public void onCheckListModeChanged(int oldMode, int newMode) { + if (newMode == TextNote.MODE_CHECK_LIST) { + switchToListMode(mNoteEditor.getText().toString()); + //检查模式切换到列表模式 + } else { + if (!getWorkingText()) { + mWorkingNote.setWorkingText(mWorkingNote.getContent().replace(TAG_UNCHECKED + " ", + "")); + } + //若是获取到文本就改变其检查标记 + mNoteEditor.setText(getHighlightQueryResult(mWorkingNote.getContent(), mUserQuery)); + mEditTextList.setVisibility(View.GONE); + mNoteEditor.setVisibility(View.VISIBLE); + //修改文本编辑器的内容和可见性 + } + } + /* + * 函数功能:设置勾选选项表并返回是否勾选的标记 + * 函数实现:如下注释 + */ + private boolean getWorkingText() { + boolean hasChecked = false; + //初始化check标记 + if (mWorkingNote.getCheckListMode() == TextNote.MODE_CHECK_LIST) { + //若模式为CHECK_LIST + StringBuilder sb = new StringBuilder(); + //创建可变字符串 + for (int i = 0; i < mEditTextList.getChildCount(); i++) { + View view = mEditTextList.getChildAt(i); + //遍历所有子编辑框的视图 + NoteEditText edit = (NoteEditText) view.findViewById(R.id.et_edit_text); + if (!TextUtils.isEmpty(edit.getText())) { + //若文本不为空 + if (((CheckBox) view.findViewById(R.id.cb_edit_item)).isChecked()) { + //该选项框已打钩 + sb.append(TAG_CHECKED).append(" ").append(edit.getText()).append("\n"); + hasChecked = true; + //扩展字符串为已打钩并把标记置true + } else { + sb.append(TAG_UNCHECKED).append(" ").append(edit.getText()).append("\n"); + //扩展字符串添加未打钩 + } + } + } + mWorkingNote.setWorkingText(sb.toString()); + //利用编辑好的字符串设置运行便签的内容 + } else { + mWorkingNote.setWorkingText(mNoteEditor.getText().toString()); + // 若不是该模式直接用编辑器中的内容设置运行中标签的内容 + } + return hasChecked; + } + /* + * 函数功能:保存便签 + * 函数实现:如下注释 + */ + private boolean saveNote() { + getWorkingText(); + boolean saved = mWorkingNote.saveNote(); + //运行 getWorkingText()之后保存 + 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 + */ + //如英文注释所说链接RESULT_OK是为了识别保存的2种情况,一是创建后保存,二是修改后保存 + setResult(RESULT_OK); + } + return saved; + } + /* + * 函数功能:将便签发送至桌面 + * 函数实现:如下注释 + */ + 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(); + //若不存在数据也就是新的标签就保存起来先 + } + + if (mWorkingNote.getNoteId() > 0) { + //若是有内容 + Intent sender = new Intent(); + Intent shortcutIntent = new Intent(this, NoteEditActivity.class); + //建立发送到桌面的连接器 + shortcutIntent.setAction(Intent.ACTION_VIEW); + //链接为一个视图 + 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); + //将便签的相关信息都添加到要发送的文件里 + sender.setAction("com.android.launcher.action.INSTALL_SHORTCUT"); + //设置sneder的行为是发送 + showToast(R.string.info_note_enter_desktop); + sendBroadcast(sender); + //显示到桌面 + } 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); + //空便签直接报错 + } + } + /* + * 函数功能:编辑小图标的标题 + * 函数实现:如下注释 + */ + 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; + //直接设置为content中的内容并返回,有勾选和未勾选2种 + } + /* + * 函数功能:显示提示的视图 + * 函数实现:根据下标显示对应的提示 + */ + private void showToast(int resId) { + showToast(resId, Toast.LENGTH_SHORT); + } + /* + * 函数功能:持续显示提示的视图 + * 函数实现:根据下标和持续的时间(duration)编辑提示视图并显示 + */ + private void showToast(int resId, int duration) { + Toast.makeText(this, resId, duration).show(); + } +} diff --git a/doc/标注/210340015_凌子杰/ui/NoteEditText.java b/doc/标注/210340015_凌子杰/ui/NoteEditText.java new file mode 100644 index 0000000..6dab416 --- /dev/null +++ b/doc/标注/210340015_凌子杰/ui/NoteEditText.java @@ -0,0 +1,272 @@ +/* + * Copyright (c) 2010-2011, The MiCode Open Source Community (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 + * + * 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. + */ + +package net.micode.notes.ui; + +import android.content.Context; +import android.graphics.Rect; +import android.text.Layout; +import android.text.Selection; +import android.text.Spanned; +import android.text.TextUtils; +import android.text.style.URLSpan; +import android.util.AttributeSet; +import android.util.Log; +import android.view.ContextMenu; +import android.view.KeyEvent; +import android.view.MenuItem; +import android.view.MenuItem.OnMenuItemClickListener; +import android.view.MotionEvent; +import android.widget.EditText; + +import net.micode.notes.R; + +import java.util.HashMap; +import java.util.Map; +//继承edittext,设置便签设置文本框 +public class NoteEditText extends EditText { + private static final String TAG = "NoteEditText"; + private int mIndex; + private int mSelectionStartBeforeDelete; + + private static final String SCHEME_TEL = "tel:" ; + private static final String SCHEME_HTTP = "http:" ; + private static final String SCHEME_EMAIL = "mailto:" ; + //建立一个字符和整数的hash表,用于链接电话,网站,还有邮箱 + private static final Map sSchemaActionResMap = new HashMap(); + static { + sSchemaActionResMap.put(SCHEME_TEL, R.string.note_link_tel); + sSchemaActionResMap.put(SCHEME_HTTP, R.string.note_link_web); + sSchemaActionResMap.put(SCHEME_EMAIL, R.string.note_link_email); + } + + /** + * Call by the {@link NoteEditActivity} to delete or add edit text + */ + //在NoteEditActivity中删除或添加文本的操作,可以看做是一个文本是否被变的标记,英文注释已说明的很清楚 + public interface OnTextViewChangeListener { + /** + * Delete current edit text when {@link KeyEvent#KEYCODE_DEL} happens + * and the text is null + */ + //处理删除按键时的操作 + void onEditTextDelete(int index, String text); + + /** + * Add edit text after current edit text when {@link KeyEvent#KEYCODE_ENTER} + * happen + */ + //处理进入按键时的操作 + void onEditTextEnter(int index, String text); + + /** + * Hide or show item option when text change + */ + void onTextChange(int index, boolean hasText); + } + + private OnTextViewChangeListener mOnTextViewChangeListener; + //根据context设置文本 + public NoteEditText(Context context) { + super(context, null);//用super引用父类变量 + mIndex = 0; + } + //设置当前光标 + public void setIndex(int index) { + mIndex = index; + } + //初始化文本修改标记 + public void setOnTextViewChangeListener(OnTextViewChangeListener listener) { + mOnTextViewChangeListener = listener; + } + //AttributeSet 百度了一下是自定义空控件属性,用于维护便签动态变化的属性 + //初始化便签 + public NoteEditText(Context context, AttributeSet attrs) { + super(context, attrs, android.R.attr.editTextStyle); + } + // 根据defstyle自动初始化 + public NoteEditText(Context context, AttributeSet attrs, int defStyle) { + super(context, attrs, defStyle); + // TODO Auto-generated constructor stub + } + //view里的函数,处理手机屏幕的所有事件 + /*参数event为手机屏幕触摸事件封装类的对象,其中封装了该事件的所有信息, + 例如触摸的位置、触摸的类型以及触摸的时间等。该对象会在用户触摸手机屏幕时被创建。*/ + @Override + public boolean onTouchEvent(MotionEvent event) { + switch (event.getAction()) { + //重写了需要处理屏幕被按下的事件 + case MotionEvent.ACTION_DOWN: + //跟新当前坐标值 + int x = (int) event.getX(); + int y = (int) event.getY(); + x -= getTotalPaddingLeft(); + y -= getTotalPaddingTop(); + x += getScrollX(); + y += getScrollY(); + //用布局控件layout根据x,y的新值设置新的位置 + Layout layout = getLayout(); + int line = layout.getLineForVertical(y); + int off = layout.getOffsetForHorizontal(line, x); + //更新光标新的位置 + Selection.setSelection(getText(), off); + break; + } + + return super.onTouchEvent(event); + } + /* + * 函数功能:处理用户按下一个键盘按键时会触发 的事件 + * 实现过程:如下注释 + */ + @Override + public boolean onKeyDown(int keyCode, KeyEvent event) { + switch (keyCode) { + //根据按键的 Unicode 编码值来处理 + case KeyEvent.KEYCODE_ENTER: + //“进入”按键 + if (mOnTextViewChangeListener != null) { + return false; + } + break; + case KeyEvent.KEYCODE_DEL: + //“删除”按键 + mSelectionStartBeforeDelete = getSelectionStart(); + break; + default: + break; + } + //继续执行父类的其他点击事件 + return super.onKeyDown(keyCode, event); + } + + @Override + /* + * 函数功能:处理用户松开一个键盘按键时会触发 的事件 + * 实现方式:如下注释 + */ + public boolean onKeyUp(int keyCode, KeyEvent event) { + switch(keyCode) { + //根据按键的 Unicode 编码值来处理,有删除和进入2种操作 + case KeyEvent.KEYCODE_DEL: + if (mOnTextViewChangeListener != null) { + //若是被修改过 + if (0 == mSelectionStartBeforeDelete && mIndex != 0) { + //若之前有被修改并且文档不为空 + mOnTextViewChangeListener.onEditTextDelete(mIndex, getText().toString()); + //利用上文OnTextViewChangeListener对KEYCODE_DEL按键情况的删除函数进行删除 + return true; + } + } else { + Log.d(TAG, "OnTextViewChangeListener was not seted"); + //其他情况报错,文档的改动监听器并没有建立 + } + break; + case KeyEvent.KEYCODE_ENTER: + //同上也是分为监听器是否建立2种情况 + if (mOnTextViewChangeListener != null) { + int selectionStart = getSelectionStart(); + //获取当前位置 + String text = getText().subSequence(selectionStart, length()).toString(); + //获取当前文本 + setText(getText().subSequence(0, selectionStart)); + //根据获取的文本设置当前文本 + mOnTextViewChangeListener.onEditTextEnter(mIndex + 1, text); + //当{@link KeyEvent#KEYCODE_ENTER}添加新文本 + } else { + Log.d(TAG, "OnTextViewChangeListener was not seted"); + //其他情况报错,文档的改动监听器并没有建立 + } + break; + default: + break; + } + //继续执行父类的其他按键弹起的事件 + return super.onKeyUp(keyCode, event); + } + + @Override + /* + * 函数功能:当焦点发生变化时,会自动调用该方法来处理焦点改变的事件 + * 实现方式:如下注释 + * 参数:focused表示触发该事件的View是否获得了焦点,当该控件获得焦点时,Focused等于true,否则等于false。 + direction表示焦点移动的方向,用数值表示 + Rect:表示在触发事件的View的坐标系中,前一个获得焦点的矩形区域,即表示焦点是从哪里来的。如果不可用则为null + */ + protected void onFocusChanged(boolean focused, int direction, Rect previouslyFocusedRect) { + if (mOnTextViewChangeListener != null) { + //若监听器已经建立 + if (!focused && TextUtils.isEmpty(getText())) { + //获取到焦点并且文本不为空 + mOnTextViewChangeListener.onTextChange(mIndex, false); + //mOnTextViewChangeListener子函数,置false隐藏事件选项 + } else { + mOnTextViewChangeListener.onTextChange(mIndex, true); + //mOnTextViewChangeListener子函数,置true显示事件选项 + } + } + //继续执行父类的其他焦点变化的事件 + super.onFocusChanged(focused, direction, previouslyFocusedRect); + } + + @Override + /* + * 函数功能:生成上下文菜单 + * 函数实现:如下注释 + */ + protected void onCreateContextMenu(ContextMenu menu) { + if (getText() instanceof Spanned) { + //有文本存在 + int selStart = getSelectionStart(); + int selEnd = getSelectionEnd(); + //获取文本开始和结尾位置 + int min = Math.min(selStart, selEnd); + int max = Math.max(selStart, selEnd); + //获取开始到结尾的最大值和最小值 + final URLSpan[] urls = ((Spanned) getText()).getSpans(min, max, URLSpan.class); + //设置url的信息的范围值 + if (urls.length == 1) { + int defaultResId = 0; + for(String schema: sSchemaActionResMap.keySet()) { + //获取计划表中所有的key值 + if(urls[0].getURL().indexOf(schema) >= 0) { + //若url可以添加则在添加后将defaultResId置为key所映射的值 + defaultResId = sSchemaActionResMap.get(schema); + break; + } + } + + if (defaultResId == 0) { + //defaultResId == 0则说明url并没有添加任何东西,所以置为连接其他SchemaActionResMap的值 + defaultResId = R.string.note_link_other; + } + //建立菜单 + menu.add(0, 0, 0, defaultResId).setOnMenuItemClickListener( + new OnMenuItemClickListener() { + //新建按键监听器 + public boolean onMenuItemClick(MenuItem item) { + // goto a new intent + urls[0].onClick(NoteEditText.this); + //根据相应的文本设置菜单的按键 + return true; + } + }); + } + } + //继续执行父类的其他菜单创建的事件 + super.onCreateContextMenu(menu); + } +} diff --git a/doc/标注/210340015_凌子杰/ui/NoteItemData.java b/doc/标注/210340015_凌子杰/ui/NoteItemData.java new file mode 100644 index 0000000..85052ab --- /dev/null +++ b/doc/标注/210340015_凌子杰/ui/NoteItemData.java @@ -0,0 +1,232 @@ +/* + * Copyright (c) 2010-2011, The MiCode Open Source Community (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 + * + * 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. + */ + +package net.micode.notes.ui; + +import android.content.Context; +import android.database.Cursor; +import android.text.TextUtils; + +import net.micode.notes.data.Contact; +import net.micode.notes.data.Notes; +import net.micode.notes.data.Notes.NoteColumns; +import net.micode.notes.tool.DataUtils; + + +public class NoteItemData { + static final String [] PROJECTION = new String [] { + NoteColumns.ID, + NoteColumns.ALERTED_DATE, + NoteColumns.BG_COLOR_ID, + NoteColumns.CREATED_DATE, + NoteColumns.HAS_ATTACHMENT, + NoteColumns.MODIFIED_DATE, + NoteColumns.NOTES_COUNT, + NoteColumns.PARENT_ID, + NoteColumns.SNIPPET, + NoteColumns.TYPE, + NoteColumns.WIDGET_ID, + NoteColumns.WIDGET_TYPE, + }; + + private static final int ID_COLUMN = 0; + private static final int ALERTED_DATE_COLUMN = 1; + private static final int BG_COLOR_ID_COLUMN = 2; + private static final int CREATED_DATE_COLUMN = 3; + private static final int HAS_ATTACHMENT_COLUMN = 4; + private static final int MODIFIED_DATE_COLUMN = 5; + private static final int NOTES_COUNT_COLUMN = 6; + private static final int PARENT_ID_COLUMN = 7; + private static final int SNIPPET_COLUMN = 8; + private static final int TYPE_COLUMN = 9; + 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; + //初始化NoteItemData,主要利用光标cursor获取的东西 + public NoteItemData(Context context, Cursor cursor) { + //getxxx为转换格式 + 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; + mModifiedDate = cursor.getLong(MODIFIED_DATE_COLUMN); + mNotesCount = cursor.getInt(NOTES_COUNT_COLUMN); + mParentId = cursor.getLong(PARENT_ID_COLUMN); + mSnippet = cursor.getString(SNIPPET_COLUMN); + mSnippet = mSnippet.replace(NoteEditActivity.TAG_CHECKED, "").replace( + NoteEditActivity.TAG_UNCHECKED, ""); + mType = cursor.getInt(TYPE_COLUMN); + mWidgetId = cursor.getInt(WIDGET_ID_COLUMN); + mWidgetType = cursor.getInt(WIDGET_TYPE_COLUMN); + //初始化电话号码的信息 + mPhoneNumber = ""; + if (mParentId == Notes.ID_CALL_RECORD_FOLDER) { + mPhoneNumber = DataUtils.getCallNumberByNoteId(context.getContentResolver(), mId); + if (!TextUtils.isEmpty(mPhoneNumber)) { + //mphonenumber里有符合字符串,则用contart功能连接 + mName = Contact.getContact(context, mPhoneNumber); + if (mName == null) { + mName = mPhoneNumber; + } + } + } + + if (mName == null) { + mName = ""; + } + checkPostion(cursor); + } + //根据鼠标的位置设置标记,和位置 + private void checkPostion(Cursor cursor) { + mIsLastItem = cursor.isLast() ? true : false; + mIsFirstItem = cursor.isFirst() ? true : false; + mIsOnlyOneItem = (cursor.getCount() == 1); + //初始化“多重子文件”“单一子文件”2个标记 + mIsMultiNotesFollowingFolder = false; + mIsOneNoteFollowingFolder = false; + //主要是设置上诉2标记 + if (mType == Notes.TYPE_NOTE && !mIsFirstItem) { + //若是note格式并且不是第一个元素 + int position = cursor.getPosition(); + if (cursor.moveToPrevious()) { + //获取光标位置后看上一行 + if (cursor.getInt(TYPE_COLUMN) == Notes.TYPE_FOLDER + || cursor.getInt(TYPE_COLUMN) == Notes.TYPE_SYSTEM) { + //若光标满足系统或note格式 + if (cursor.getCount() > (position + 1)) { + mIsMultiNotesFollowingFolder = true; + //若是数据行数大于但前位置+1则设置成正确 + } else { + mIsOneNoteFollowingFolder = true; + //否则单一文件夹标记为true + } + } + if (!cursor.moveToNext()) {//若不能再往下走则报错 + throw new IllegalStateException("cursor move to previous but can't move back"); + } + } + } + } + + public boolean isOneFollowingFolder() { + return mIsOneNoteFollowingFolder; + } + + public boolean isMultiFollowingFolder() { + return mIsMultiNotesFollowingFolder; + } + + public boolean isLast() { + return mIsLastItem; + } + + public String getCallName() { + return mName; + } + + public boolean isFirst() { + return mIsFirstItem; + } + + public boolean isSingle() { + return mIsOnlyOneItem; + } + + public long getId() { + return mId; + } + + public long getAlertDate() { + return mAlertDate; + } + + public long getCreatedDate() { + return mCreatedDate; + } + + public boolean hasAttachment() { + return mHasAttachment; + } + + public long getModifiedDate() { + return mModifiedDate; + } + + public int getBgColorId() { + return mBgColorId; + } + + public long getParentId() { + return mParentId; + } + + public int getNotesCount() { + return mNotesCount; + } + + public long getFolderId () { + return mParentId; + } + + public int getType() { + return mType; + } + + public int getWidgetType() { + return mWidgetType; + } + + public int getWidgetId() { + return mWidgetId; + } + + public String getSnippet() { + return mSnippet; + } + + public boolean hasAlert() { + return (mAlertDate > 0); + } + //若数据父id为保存至文件夹模式的id且满足电话号码单元不为空,则isCallRecord为true + public boolean isCallRecord() { + return (mParentId == Notes.ID_CALL_RECORD_FOLDER && !TextUtils.isEmpty(mPhoneNumber)); + } + + public static int getNoteType(Cursor cursor) { + return cursor.getInt(TYPE_COLUMN); + } +}