|
|
/*
|
|
|
* 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;
|
|
|
|
|
|
|
|
|
// 指定每个列表项的布局模板，指定Cursor中的每个字段应该绑定到那些视图上
|
|
|
// 以文件夹的形式展现给用户
|
|
|
public class FoldersListAdapter extends CursorAdapter {
|
|
|
// 指定查询时返回的列，NoteColumns是一个接口
|
|
|
public static final String [] PROJECTION = {
|
|
|
NoteColumns.ID,
|
|
|
NoteColumns.SNIPPET
|
|
|
};
|
|
|
|
|
|
// 定义查询文件夹表是返回的列的索引
|
|
|
public static final int ID_COLUMN = 0;
|
|
|
public static final int NAME_COLUMN = 1;
|
|
|
|
|
|
// 在列表视图中显示文件夹数据
|
|
|
public FoldersListAdapter(Context context, Cursor c) {
|
|
|
super(context, c);
|
|
|
// TODO Auto-generated constructor stub
|
|
|
}
|
|
|
|
|
|
// 创建一个新视图，并初始化子标签
|
|
|
@Override
|
|
|
public View newView(Context context, Cursor cursor, ViewGroup parent) {
|
|
|
return new FolderListItem(context);
|
|
|
}
|
|
|
|
|
|
// 用于绑定视图和数据
|
|
|
@Override
|
|
|
public void bindView(View view, Context context, Cursor cursor) {
|
|
|
// 判断视图对象是否为 FolderListItem 的实例
|
|
|
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);
|
|
|
}
|
|
|
}
|
|
|
|
|
|
// 获取对应文件夹名称
|
|
|
public String getFolderName(Context context, int position) {
|
|
|
Cursor cursor = (Cursor) getItem(position);
|
|
|
// 根据文件夹id获取文件夹的名称
|
|
|
return (cursor.getLong(ID_COLUMN) == Notes.ID_ROOT_FOLDER) ? context
|
|
|
.getString(R.string.menu_move_parent_folder) : cursor.getString(NAME_COLUMN);
|
|
|
}
|
|
|
|
|
|
// 用于显示文件夹名称
|
|
|
private class FolderListItem extends LinearLayout {
|
|
|
private TextView mName;
|
|
|
|
|
|
public FolderListItem(Context context) {
|
|
|
super(context);
|
|
|
// 将布局文件加载到当前视图
|
|
|
inflate(context, R.layout.folder_list_item, this);
|
|
|
// 将获取到的TextView对象赋值给mName
|
|
|
mName = (TextView) findViewById(R.id.tv_folder_name);
|
|
|
}
|
|
|
|
|
|
// 将给定的名称设置到mName中
|
|
|
public void bind(String name) {
|
|
|
mName.setText(name);
|
|
|
}
|
|
|
}
|
|
|
|
|
|
}
|
