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刘瑞泽
11111 2 years ago
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commit 1b798d3ba0
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src/net/micode/notes/ui/NotesListAdapter.java
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@ -1,202 +1,296 @@
/* package net.micode.notes.ui;
* 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.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;
public class NotesListAdapter extends CursorAdapter {
private static final String TAG = "NotesListAdapter";
private Context mContext;
private HashMap<Integer, Boolean> mSelectedIndex;
private int mNotesCount;
private boolean mChoiceMode;
public static class AppWidgetAttribute {
public int widgetId;
public int widgetType;
};
public NotesListAdapter(Context context) {
super(context, null);
mSelectedIndex = new HashMap<Integer, Boolean>();
mContext = context;
mNotesCount = 0;
}
@Override
public View newView(Context context, Cursor cursor, ViewGroup parent) {
return new NotesListItem(context);
}
@Override
public void bindView(View view, Context context, Cursor cursor) {
if (view instanceof NotesListItem) {
NoteItemData itemData = new NoteItemData(context, cursor); import android.content.Context;
((NotesListItem) view).bind(context, itemData, mChoiceMode, import android.database.Cursor;
isSelectedItem(cursor.getPosition())); import android.util.Log;
import android.view.View;
import android.view.ViewGroup;
import android.widget.CursorAdapter;
}
}
public void setCheckedItem(final int position, final boolean checked) { import net.micode.notes.data.Notes;
mSelectedIndex.put(position, checked);
notifyDataSetChanged(); import java.util.Collection;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
} /**
* @Package: net.micode.notes.ui
* @ClassName: NotesListAdapter
public boolean isInChoiceMode() { * @Description:
return mChoiceMode; * 直译为便签表连接器，继承了CursorAdapter，它为cursor和ListView提供了连接的桥梁。
} * 所以NotesListAdapter实现的是鼠标和编辑便签链接的桥梁
* @Author:
* @CreateDate: 12/23/2023 11:35 PM
public void setChoiceMode(boolean mode) { * @Version: 1.0
mSelectedIndex.clear(); */
mChoiceMode = mode; public class NotesListAdapter extends CursorAdapter {
} private static final String TAG = "NotesListAdapter";
private Context mContext;
private HashMap<Integer, Boolean> mSelectedIndex;
public void selectAll(boolean checked) { private int mNotesCount; //便签数
Cursor cursor = getCursor(); private boolean mChoiceMode; //选择模式标记
for (int i = 0; i < getCount(); i++) {
if (cursor.moveToPosition(i)) {
if (NoteItemData.getNoteType(cursor) == Notes.TYPE_NOTE) {
setCheckedItem(i, checked);
}
}
}
}
public HashSet<Long> getSelectedItemIds() { /*
HashSet<Long> itemSet = new HashSet<Long>(); * 桌面widget的属性，包括编号和类型
*/
public static class AppWidgetAttribute {
public int widgetId;
public int widgetType;
};
/**
* @method NotesListAdapter
* @description
* 初始化便签链接器
* 函数实现：根据传进来的内容设置相关变量
* @date: 12/23/2023 11:35 PM
*
* @param context
*/
public NotesListAdapter(Context context) {
super(context, null); //父类对象置空
mSelectedIndex = new HashMap<Integer, Boolean>(); //新建选项下标的hash表
mContext = context;
mNotesCount = 0;
}
for (Integer position : mSelectedIndex.keySet()) { @Override
if (mSelectedIndex.get(position) == true) { /**
Long id = getItemId(position); * @method newView
if (id == Notes.ID_ROOT_FOLDER) { * @description
Log.d(TAG, "Wrong item id, should not happen"); * 新建一个视图来存储光标所指向的数据
} else { * 通过使用兄弟类NotesListItem新建一个项目选项
itemSet.add(id); * @date: 12/23/2023 11:35 PM
} *
} * @param [context, cursor, parent]
} * @return android.view.View
*/
return itemSet; public View newView(Context context, Cursor cursor, ViewGroup parent) {
} return new NotesListItem(context);
}
@Override
/**
* @method bindView
* @description 将已经存在的视图和鼠标指向的数据进行捆绑
* @date: 12/23/2023 11:41 PM
*
* @param [view, context, cursor]
* @return void
*/
public void bindView(View view, Context context, Cursor cursor) {
if (view instanceof NotesListItem) {
//若view是NotesListItem的一个实例
//则新建一个项目选项并且用bind跟将view和鼠标，内容，便签数据捆绑在一起
NoteItemData itemData = new NoteItemData(context, cursor);
((NotesListItem) view).bind(context, itemData, mChoiceMode,
isSelectedItem(cursor.getPosition()));
}
}
/**
* @method setCheckedItem
* @description 设置勾选框
* @date: 12/23/2023 11:41 PM
*
* @param checked
* @param position
* @return void
*/
public void setCheckedItem(final int position, final boolean checked) {
mSelectedIndex.put(position, checked);
//根据定位和是否勾选设置下标
notifyDataSetChanged();
//在修改后刷新activity
}
public HashSet<AppWidgetAttribute> getSelectedWidget() { public boolean isInChoiceMode() {
HashSet<AppWidgetAttribute> itemSet = new HashSet<AppWidgetAttribute>(); return mChoiceMode;
for (Integer position : mSelectedIndex.keySet()) { }//判断单选按钮是否勾选
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);
} else {
Log.e(TAG, "Invalid cursor");
return null;
}
}
}
return itemSet;
}
public int getSelectedCount() { /**
Collection<Boolean> values = mSelectedIndex.values(); * @method setChoiceMode
if (null == values) { * @description 设置单项选项框
return 0; * @date: 12/23/2023 11:40 PM
} *
Iterator<Boolean> iter = values.iterator(); * @param
int count = 0; * @return
while (iter.hasNext()) { */
if (true == iter.next()) { public void setChoiceMode(boolean mode) {
count++; mSelectedIndex.clear();
} mChoiceMode = mode;
} }
return count;
}
public boolean isAllSelected() { /**
int checkedCount = getSelectedCount(); * @method selectAll
return (checkedCount != 0 && checkedCount == mNotesCount); * @description 选择全部选项
} * @date: 12/23/2023 11:40 PM
*
* @param checked
*/
public void selectAll(boolean checked) {
Cursor cursor = getCursor();//获取光标位置
for (int i = 0; i < getCount(); i++) {
if (cursor.moveToPosition(i)) {
if (NoteItemData.getNoteType(cursor) == Notes.TYPE_NOTE) {
setCheckedItem(i, checked);
}
}
}
//遍历所有光标可用的位置在判断为便签类型之后勾选单项框
}
/**
* @method getSelectedItemIds
* @description 建立选择项的下标列表
* @date: 12/23/2023 11:39 PM
*
* @param
* @return
*/
public HashSet<Long> getSelectedItemIds() {
HashSet<Long> itemSet = new HashSet<Long>();//建立hash表
for (Integer position : mSelectedIndex.keySet()) {
//遍历所有的关键
if (mSelectedIndex.get(position) == true) {
//若光标位置可用
Long id = getItemId(position);
if (id == Notes.ID_ROOT_FOLDER) {
//原文件不需要添加
Log.d(TAG, "Wrong item id, should not happen");
} else {
itemSet.add(id);
}
}
}
public boolean isSelectedItem(final int position) { return itemSet;
if (null == mSelectedIndex.get(position)) { }
return false; /**
} * @method getSelectedWidget
return mSelectedIndex.get(position); * @description 建立桌面Widget的选项表
} * @date: 12/23/2023 11:39 PM
*
@Override * @param
* @return
*/
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);
//以上4句和getSelectedItemIds一样，不再重复
if (c != null) {
//光标位置可用的话就建立新的Widget属性并编辑下标和类型，最后添加到选项集中
AppWidgetAttribute widget = new AppWidgetAttribute();
NoteItemData item = new NoteItemData(mContext, c);
widget.widgetId = item.getWidgetId();
widget.widgetType = item.getWidgetType();
itemSet.add(widget);
/**
* Don't close cursor here, only the adapter could close it
*/
} else {
Log.e(TAG, "Invalid cursor");
return null;
}
}
}
return itemSet;
}
/**
* @method getSelectedCount
* @description 获取选项个数
* @date: 12/23/2023 11:39 PM
*
*/
public int getSelectedCount() {
Collection<Boolean> values = mSelectedIndex.values();//首先获取选项下标的值
if (null == values) {
return 0;
}
Iterator<Boolean> iter = values.iterator();//初始化叠加器
int count = 0;
while (iter.hasNext()) {
if (true == iter.next()) {
count++;//若value值为真计数+1
}
}
return count;
}
protected void onContentChanged() { /**
super.onContentChanged(); * @method isAllSelected
* @description 判断是否全部选中
* @date: 12/23/2023 11:38 PM
*
*/
public boolean isAllSelected() {
int checkedCount = getSelectedCount();
return (checkedCount != 0 && checkedCount == mNotesCount);//获取选项数看是否等于便签的个数
}
/**
* @method isSelectedItem
* @description 判断是否为选项表,通过传递的下标来确定
* @date: 12/23/2023 11:38 PM
*
* @param
* @return
*/
public boolean isSelectedItem(final int position) {
if (null == mSelectedIndex.get(position)) {
return false;
}
return mSelectedIndex.get(position);
}
calcNotesCount(); @Override
} /**
* @method onContentChanged
@Override * @description 在activity内容发生局部变动的时候回调该函数计算便签的数量
public void changeCursor(Cursor cursor) { * @date: 12/23/2023 11:38 PM
super.changeCursor(cursor); *
calcNotesCount(); * @param []
} * @return void
*/
protected void onContentChanged() {
super.onContentChanged();
calcNotesCount();//执行基类函数
}
private void calcNotesCount() { @Override
mNotesCount = 0; /**
for (int i = 0; i < getCount(); i++) { * @method changeCursor
Cursor c = (Cursor) getItem(i); * @description 在activity光标发生局部变动的时候回调该函数计算便签的数量
if (c != null) { * @date: 12/23/2023 11:37 PM
if (NoteItemData.getNoteType(c) == Notes.TYPE_NOTE) { *
mNotesCount++; * @param [cursor]
} * @return void
} else { */
Log.e(TAG, "Invalid cursor"); public void changeCursor(Cursor cursor) {
return; super.changeCursor(cursor);
} calcNotesCount();//执行基类函数
} }
} /**
} * @method calcNotesCount
* @description 计算便签数量
* @date: 12/23/2023 11:37 PM
*
* @param
* @return
*/
private void calcNotesCount() {
mNotesCount = 0;
for (int i = 0; i < getCount(); i++) {
//获取总数同时遍历
Cursor c = (Cursor) getItem(i);
if (c != null) {
if (NoteItemData.getNoteType(c) == Notes.TYPE_NOTE) {
mNotesCount++;//若该位置不为空并且文本类型为便签就+1
}
} else {
Log.e(TAG, "Invalid cursor");
return;
}
}
}
}

240
src/net/micode/notes/ui/NotesListItem.java
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@ -1,131 +1,123 @@
/* package net.micode.notes.ui;
* 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.text.format.DateUtils;
import android.view.View;
import android.widget.CheckBox;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.TextView;
import net.micode.notes.R;
import net.micode.notes.data.Notes;
import net.micode.notes.tool.DataUtils;
import net.micode.notes.tool.ResourceParser.NoteItemBgResources;
public class NotesListItem extends LinearLayout {
private ImageView mAlert;
private TextView mTitle;
private TextView mTime;
private TextView mCallName;
private NoteItemData mItemData;
private CheckBox mCheckBox;
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);
}
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);
} else {
mCheckBox.setVisibility(View.GONE);
}
mItemData = data;
if (data.getId() == Notes.ID_CALL_RECORD_FOLDER) { import android.content.Context;
mCallName.setVisibility(View.GONE); import android.text.format.DateUtils;
mAlert.setVisibility(View.VISIBLE); import android.view.View;
import android.widget.CheckBox;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.TextView;
mTitle.setTextAppearance(context, R.style.TextAppearancePrimaryItem); import net.micode.notes.R;
import net.micode.notes.data.Notes;
import net.micode.notes.tool.DataUtils;
import net.micode.notes.tool.ResourceParser.NoteItemBgResources;
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);
} 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()));
if (data.hasAlert()) { /**
mAlert.setImageResource(R.drawable.clock); * @Package: net.micode.notes.ui
mAlert.setVisibility(View.VISIBLE); * @ClassName: NotesListItem
} else { * @Description:
mAlert.setVisibility(View.GONE); * @Author:
} * @CreateDate: 12/23/2023 11:35 PM
} else { * @Version: 1.0
mCallName.setVisibility(View.GONE); */
mTitle.setTextAppearance(context, R.style.TextAppearancePrimaryItem); public class NotesListItem extends LinearLayout {
private ImageView mAlert;//闹钟图片
if (data.getType() == Notes.TYPE_FOLDER) { private TextView mTitle; //标题
mTitle.setText(data.getSnippet() private TextView mTime; //时间
+ context.getString(R.string.format_folder_files_count, private TextView mCallName;
data.getNotesCount())); private NoteItemData mItemData; //标签数据
mAlert.setVisibility(View.GONE); private CheckBox mCheckBox; //打钩框
} else {
mTitle.setText(DataUtils.getFormattedSnippet(data.getSnippet()));
if (data.hasAlert()) {
mAlert.setImageResource(R.drawable.clock);
mAlert.setVisibility(View.VISIBLE);
} else {
mAlert.setVisibility(View.GONE);
}
}
}
mTime. setText(DateUtils.getRelativeTimeSpanString(data.getModifiedDate()));
setBackground(data);
}
private void setBackground(NoteItemData data) {
int id = data.getBgColorId();
if (data.getType() == Notes.TYPE_NOTE) { /*初始化基本信息*/
public NotesListItem(Context context) {
super(context); //super()它的主要作用是调整调用父类构造函数的顺序
inflate(context, R.layout.note_item, this);//Inflate可用于将一个xml中定义的布局控件找出来,这里的xml是r。layout
//findViewById用于从contentView中查找指定ID的View，转换出来的形式根据需要而定;
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);
}
///根据data的属性对各个控件的属性的控制，主要是可见性Visibility，内容setText，格式setTextAppearance
public void bind(Context context, NoteItemData data, boolean choiceMode, boolean checked) {
if (choiceMode && data.getType() == Notes.TYPE_NOTE) {
mCheckBox.setVisibility(View.VISIBLE); ///设置可见行为可见
mCheckBox.setChecked(checked); ///格子打钩
} else {
mCheckBox.setVisibility(View.GONE);
}
if (data.isSingle() || data.isOneFollowingFolder()) { mItemData = data;
setBackgroundResource(NoteItemBgResources.getNoteBgSingleRes(id)); ///设置控件属性，一共三种情况，由data的id和父id是否与保存到文件夹的id一致来决定
} else if (data.isLast()) { if (data.getId() == Notes.ID_CALL_RECORD_FOLDER) {
setBackgroundResource(NoteItemBgResources.getNoteBgLastRes(id)); mCallName.setVisibility(View.GONE);
} else if (data.isFirst() || data.isMultiFollowingFolder()) { mAlert.setVisibility(View.VISIBLE);
setBackgroundResource(NoteItemBgResources.getNoteBgFirstRes(id)); //设置该textview的style
} else { mTitle.setTextAppearance(context, R.style.TextAppearancePrimaryItem);
setBackgroundResource(NoteItemBgResources.getNoteBgNormalRes(id)); //settext为设置内容
} mTitle.setText(context.getString(R.string.call_record_folder_name)
} else { + context.getString(R.string.format_folder_files_count, data.getNotesCount()));
mAlert.setImageResource(R.drawable.call_record);
} 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()));
///关于闹钟的设置
if (data.hasAlert()) {
mAlert.setImageResource(R.drawable.clock);//图片来源的设置
mAlert.setVisibility(View.VISIBLE);
} else {
mAlert.setVisibility(View.GONE);
}
} else {
mCallName.setVisibility(View.GONE);
mTitle.setTextAppearance(context, R.style.TextAppearancePrimaryItem);
///设置title格式
if (data.getType() == Notes.TYPE_FOLDER) {
mTitle.setText(data.getSnippet()
+ context.getString(R.string.format_folder_files_count,
data.getNotesCount()));
mAlert.setVisibility(View.GONE);
} else {
mTitle.setText(DataUtils.getFormattedSnippet(data.getSnippet()));
if (data.hasAlert()) {
mAlert.setImageResource(R.drawable.clock);///设置图片来源
mAlert.setVisibility(View.VISIBLE);
} else {
mAlert.setVisibility(View.GONE);
}
}
}
///设置内容，获取相关时间，从data里编辑的日期中获取
mTime. setText(DateUtils.getRelativeTimeSpanString(data.getModifiedDate()));
setBackgroundResource(NoteItemBgResources.getFolderBgRes()); setBackground(data);
} }
} //根据data的文件属性来设置背景
public NoteItemData getItemData() { private void setBackground(NoteItemData data) {
return mItemData; int id = data.getBgColorId();
} //，若是note型文件，则4种情况，对于4种不同情况的背景来源
} if (data.getType() == Notes.TYPE_NOTE) {
//单个数据并且只有一个子文件夹
if (data.isSingle() || data.isOneFollowingFolder()) {
setBackgroundResource(NoteItemBgResources.getNoteBgSingleRes(id));
} else if (data.isLast()) {//是最后一个数据
setBackgroundResource(NoteItemBgResources.getNoteBgLastRes(id));
} else if (data.isFirst() || data.isMultiFollowingFolder()) {//是一个数据并有多个子文件夹
setBackgroundResource(NoteItemBgResources.getNoteBgFirstRes(id));
} else {
setBackgroundResource(NoteItemBgResources.getNoteBgNormalRes(id));
}
} else {
//若不是note直接调用文件夹的背景来源
setBackgroundResource(NoteItemBgResources.getFolderBgRes());
}
}
public NoteItemData getItemData() {
return mItemData;
}
}
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