/* * 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. */ // 包声明,指明这个类属于哪个包 package net.micode.notes.ui; // 导入所需的Android SDK类和包 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; // 导入Notes应用特有的资源和数据类 import net.micode.notes.R; import net.micode.notes.data.Notes; import net.micode.notes.tool.DataUtils; import net.micode.notes.tool.ResourceParser.NoteItemBgResources; // NotesListItem类继承自LinearLayout,用于显示单个笔记列表项的视图 public class NotesListItem extends LinearLayout { // 类的成员变量 private ImageView mAlert; // 用于显示提醒图标的ImageView private TextView mTitle; // 显示标题的TextView private TextView mTime; // 显示时间的TextView private TextView mCallName; // 显示来电姓名的TextView private NoteItemData mItemData; // 包含笔记数据的NoteItemData对象 private CheckBox mCheckBox; // 用于选择模式的CheckBox // 构造函数,初始化视图 public NotesListItem(Context context) { super(context); // 调用父类的构造函数 inflate(context, R.layout.note_item, this); // 将布局文件inflate到当前视图中 mAlert = (ImageView) findViewById(R.id.iv_alert_icon); // 获取布局中的ImageView mTitle = (TextView) findViewById(R.id.tv_title); // 获取布局中的TextView mTime = (TextView) findViewById(R.id.tv_time); // 获取布局中的TextView mCallName = (TextView) findViewById(R.id.tv_name); // 获取布局中的TextView mCheckBox = (CheckBox) findViewById(android.R.id.checkbox); // 获取布局中的CheckBox } // bind方法,用于将数据绑定到视图上 public void bind(Context context, NoteItemData data, boolean choiceMode, boolean checked) { // 根据是否处于选择模式和笔记类型,设置CheckBox的可见性和选中状态 if (choiceMode && data.getType() == Notes.TYPE_NOTE) { mCheckBox.setVisibility(View.VISIBLE); mCheckBox.setChecked(checked); } else { mCheckBox.setVisibility(View.GONE); } mItemData = data; // 保存NoteItemData对象 // 根据笔记数据的不同类型,设置不同的视图显示 if (data.getId() == Notes.ID_CALL_RECORD_FOLDER) { // 如果是通话记录文件夹 mCallName.setVisibility(View.GONE); mAlert.setVisibility(View.VISIBLE); mTitle.setTextAppearance(context, R.style.TextAppearancePrimaryItem); 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) { // 如果是通话记录文件夹下的笔记 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); mAlert.setVisibility(View.VISIBLE); } else { mAlert.setVisibility(View.GONE); } } else { // 其他类型的笔记 mCallName.setVisibility(View.GONE); mTitle.setTextAppearance(context, R.style.TextAppearancePrimaryItem); if (data.getType() == Notes.TYPE_FOLDER) { // 如果是文件夹 mTitle.setText(data.getSnippet() + context.getString(R.string.format_folder_files_count, data.getNotesCount())); mAlert.setVisibility(View.GONE); } else { // 普通笔记 mTitle.setText(DataUtils.getFormattedSnippet(data.getSnippet())); if (data.hasAlert()) { mAlert.setImageResource(R.drawable.clock); mAlert.setVisibility(View.VISIBLE); } else { mAlert.setVisibility(View.GONE); } } } // 设置时间显示 mTime.setText(DateUtils.getRelativeTimeSpanString(data.getModifiedDate())); // 设置背景 setBackground(data); } // setBackground方法,用于设置视图的背景 private void setBackground(NoteItemData data) { int id = data.getBgColorId(); // 获取背景颜色ID // 根据笔记类型和位置设置不同的背景资源 if (data.getType() == Notes.TYPE_NOTE) { if (data.isSingle() || data.isOneFollowingFolder()) { setBackgroundResource(NoteItemBgResources.getNoteBgSingleRes(id)); } else if (data.isLast()) { setBackgroundResource(NoteItemBgResources.getNoteBgLastRes(id)); } else if (data.isFirst() || data.isMultiFollowingFolder()) { setBackgroundResource(NoteItemBgResources.getNoteBgFirstRes(id)); } else { setBackgroundResource(NoteItemBgResources.getNoteBgNormalRes(id)); } } else { setBackgroundResource(NoteItemBgResources.getFolderBgRes()); } } // getItemData方法,用于获取当前项的NoteItemData对象 public NoteItemData getItemData() { return mItemData; } }