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/*
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* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package net.micode.notes.ui;
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import android.content.Context;
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import android.text.format.DateUtils;
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import android.view.View;
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import android.widget.CheckBox;
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import android.widget.ImageView;
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import android.widget.LinearLayout;
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import android.widget.TextView;
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import net.micode.notes.R;
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import net.micode.notes.data.Notes;
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import net.micode.notes.tool.DataUtils;
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import net.micode.notes.tool.ResourceParser.NoteItemBgResources;
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// 表示笔记列表中的每一项,继承自LinearLayout,用于展示笔记的相关信息
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public class NotesListItem extends LinearLayout {
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// 用于显示提醒图标(如闹钟图标)
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private ImageView mAlert;
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// 用于显示笔记标题或文件夹名称
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private TextView mTitle;
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// 用于显示笔记的修改时间或相对时间
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private TextView mTime;
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// 用于显示通话记录的联系人姓名(如果适用)
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private TextView mCallName;
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// 存储当前列表项的数据
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private NoteItemData mItemData;
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// 用于在选择模式下显示的复选框
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private CheckBox mCheckBox;
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// 构造函数,初始化视图并查找相关子视图
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public NotesListItem(Context context) {
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super(context);
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// 加载布局文件note_item.xml到当前视图
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inflate(context, R.layout.note_item, this);
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mAlert = (ImageView) findViewById(R.id.iv_alert_icon);
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mTitle = (TextView) findViewById(R.id.tv_title);
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mTime = (TextView) findViewById(R.id.tv_time);
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mCallName = (TextView) findViewById(R.id.tv_name);
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mCheckBox = (CheckBox) findViewById(android.R.id.checkbox);
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}
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// 绑定数据到视图并根据条件设置视图的显示状态
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public void bind(Context context, NoteItemData data, boolean choiceMode, boolean checked) {
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// 如果处于选择模式且数据类型为笔记类型,则显示复选框并设置其选中状态
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if (choiceMode && data.getType() == Notes.TYPE_NOTE) {
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mCheckBox.setVisibility(View.VISIBLE);
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mCheckBox.setChecked(checked);
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} else {
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// 否则隐藏复选框
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mCheckBox.setVisibility(View.GONE);
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}
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mItemData = data;
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// 如果数据的ID表示通话记录文件夹
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if (data.getId() == Notes.ID_CALL_RECORD_FOLDER) {
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mCallName.setVisibility(View.GONE);
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mAlert.setVisibility(View.VISIBLE);
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// 设置标题的文本样式为主要项目样式
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mTitle.setTextAppearance(context, R.style.TextAppearancePrimaryItem);
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// 设置标题文本为通话记录文件夹名称加上文件数量
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mTitle.setText(context.getString(R.string.call_record_folder_name)
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+ context.getString(R.string.format_folder_files_count, data.getNotesCount()));
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mAlert.setImageResource(R.drawable.call_record);
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} else if (data.getParentId() == Notes.ID_CALL_RECORD_FOLDER) {
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// 如果数据的父ID是通话记录文件夹(即通话记录项)
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mCallName.setVisibility(View.VISIBLE);
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mCallName.setText(data.getCallName());
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// 设置标题的文本样式为次要项目样式
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mTitle.setTextAppearance(context, R.style.TextAppearanceSecondaryItem);
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// 设置标题文本为格式化后的片段内容
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mTitle.setText(DataUtils.getFormattedSnippet(data.getSnippet()));
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if (data.hasAlert()) {
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mAlert.setImageResource(R.drawable.clock);
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mAlert.setVisibility(View.VISIBLE);
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} else {
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mAlert.setVisibility(View.GONE);
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}
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} else {
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mCallName.setVisibility(View.GONE);
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// 设置标题的文本样式为主要项目样式
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mTitle.setTextAppearance(context, R.style.TextAppearancePrimaryItem);
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if (data.getType() == Notes.TYPE_FOLDER) {
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// 如果是文件夹类型,设置标题文本为文件夹名称加上文件数量
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mTitle.setText(data.getSnippet()
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+ context.getString(R.string.format_folder_files_count,
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data.getNotesCount()));
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mAlert.setVisibility(View.GONE);
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} else {
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// 如果是普通笔记类型,设置标题文本为格式化后的片段内容
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mTitle.setText(DataUtils.getFormattedSnippet(data.getSnippet()));
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if (data.hasAlert()) {
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mAlert.setImageResource(R.drawable.clock);
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mAlert.setVisibility(View.VISIBLE);
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} else {
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mAlert.setVisibility(View.GONE);
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}
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}
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}
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// 设置时间文本为相对时间格式
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mTime.setText(DateUtils.getRelativeTimeSpanString(data.getModifiedDate()));
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// 根据数据设置背景资源
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setBackground(data);
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}
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// 根据数据设置背景资源
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private void setBackground(NoteItemData data) {
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int id = data.getBgColorId();
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if (data.getType() == Notes.TYPE_NOTE) {
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// 如果是笔记类型,根据笔记的位置和状态设置不同的背景资源
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if (data.isSingle() || data.isOneFollowingFolder()) {
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setBackgroundResource(NoteItemBgResources.getNoteBgSingleRes(id));
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} else if (data.isLast()) {
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setBackgroundResource(NoteItemBgResources.getNoteBgLastRes(id));
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} else if (data.isFirst() || data.isMultiFollowingFolder()) {
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setBackgroundResource(NoteItemBgResources.getNoteBgFirstRes(id));
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} else {
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setBackgroundResource(NoteItemBgResources.getNoteBgNormalRes(id));
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}
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} else {
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// 如果是文件夹类型,设置文件夹的背景资源
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setBackgroundResource(NoteItemBgResources.getFolderBgRes());
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}
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}
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// 获取当前列表项的数据
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public NoteItemData getItemData() {
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return mItemData;
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}
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} |