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package net.micode.notes.model;
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import android.content.Context;
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import android.content.SharedPreferences;
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import android.preference.PreferenceManager;
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import android.text.TextUtils;
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import org.json.JSONArray;
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import org.json.JSONException;
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import org.json.JSONObject;
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import java.util.ArrayList;
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import java.util.List;
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/**
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* 模板管理类，用于管理笔记模板的存储、加载、添加、删除等操作
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*/
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public class TemplateManager {
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private static final String PREF_TEMPLATES = "note_templates";
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private static final String PREF_TEMPLATE_ID_COUNTER = "template_id_counter";
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private static TemplateManager sInstance;
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private Context mContext;
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private List<NoteTemplate> mTemplates;
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private TemplateManager(Context context) {
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mContext = context.getApplicationContext();
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loadTemplates();
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}
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public static synchronized TemplateManager getInstance(Context context) {
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if (sInstance == null) {
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sInstance = new TemplateManager(context);
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}
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return sInstance;
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}
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/**
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* 加载所有模板，包括系统模板和自定义模板
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*/
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private void loadTemplates() {
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mTemplates = new ArrayList<>();
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// 先添加系统模板
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addSystemTemplates();
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// 然后加载自定义模板
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loadCustomTemplates();
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}
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/**
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* 添加系统模板
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*/
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private void addSystemTemplates() {
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// 会议记录模板
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NoteTemplate meetingTemplate = new NoteTemplate();
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meetingTemplate.setId(1);
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meetingTemplate.setName("会议记录");
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meetingTemplate.setContent("<strong>会议记录</strong><br><br>" +
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"<strong>会议主题</strong>：<br>" +
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"<strong>会议时间</strong>：<br>" +
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"<strong>会议地点</strong>：<br>" +
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"<strong>参会人员</strong>：<br>" +
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"<strong>主持人</strong>：<br><br>" +
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"<strong>会议议程</strong><br>" +
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"1. <br>" +
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"2. <br>" +
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"3. <br><br>" +
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"<strong>会议内容</strong><br><br>" +
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"<strong>决议事项</strong><br>" +
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"1. <br>" +
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"2. <br>" +
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"3. <br><br>" +
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"<strong>行动项</strong><br>" +
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"<strong>任务</strong>：<strong>负责人</strong>：<strong>截止日期</strong>：<strong>状态</strong>：<br><br>" +
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"<br><br>" +
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"<strong>下次会议</strong><br>" +
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"<strong>时间</strong>：<br>" +
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"<strong>主题</strong>：<br>");
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meetingTemplate.setType(NoteTemplate.TYPE_SYSTEM);
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mTemplates.add(meetingTemplate);
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// 待办事项模板
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NoteTemplate todoTemplate = new NoteTemplate();
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todoTemplate.setId(2);
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todoTemplate.setName("待办事项");
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todoTemplate.setContent("<strong>待办事项</strong><br><br>" +
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"<strong>日期</strong>：<br><br>" +
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"<strong>今日待办</strong><br>" +
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"☐ <br>" +
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"☐ <br>" +
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"☐ <br>" +
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"☐ <br>" +
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"☐ <br><br>" +
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"<strong>重要事项</strong><br>" +
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"⭐ <br>" +
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"⭐ <br><br>" +
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"<strong>已完成</strong><br>" +
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"✓ <br>" +
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"✓ <br>" +
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"✓ <br>");
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todoTemplate.setType(NoteTemplate.TYPE_SYSTEM);
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mTemplates.add(todoTemplate);
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// 购物清单模板
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NoteTemplate shoppingTemplate = new NoteTemplate();
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shoppingTemplate.setId(3);
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shoppingTemplate.setName("购物清单");
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shoppingTemplate.setContent("<strong>购物清单</strong><br><br>" +
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"<strong>日期</strong>：<br>" +
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"<strong>商店</strong>：<br>" +
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"<strong>预算</strong>：<br><br>" +
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"<strong>清单</strong><br>" +
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"<strong>物品</strong>：<strong>数量</strong>：<strong>单价</strong>：<strong>备注</strong>：<strong>状态</strong>：<br>" +
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" ☐ <br>" +
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" ☐ <br>" +
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" ☐ <br>" +
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" ☐ <br>" +
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" ☐ <br><br>" +
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"<strong>总计</strong><br>" +
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"<strong>实际花费</strong>：<br>" +
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"<strong>节省/超支</strong>：<br>");
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shoppingTemplate.setType(NoteTemplate.TYPE_SYSTEM);
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mTemplates.add(shoppingTemplate);
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}
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/**
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* 加载自定义模板
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*/
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private void loadCustomTemplates() {
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SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(mContext);
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String templatesJson = prefs.getString(PREF_TEMPLATES, "[]");
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try {
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JSONArray jsonArray = new JSONArray(templatesJson);
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for (int i = 0; i < jsonArray.length(); i++) {
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JSONObject json = jsonArray.getJSONObject(i);
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NoteTemplate template = NoteTemplate.fromJson(json);
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mTemplates.add(template);
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}
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} catch (JSONException e) {
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e.printStackTrace();
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}
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}
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/**
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* 保存自定义模板到SharedPreferences
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*/
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private void saveCustomTemplates() {
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SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(mContext);
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SharedPreferences.Editor editor = prefs.edit();
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JSONArray jsonArray = new JSONArray();
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for (NoteTemplate template : mTemplates) {
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if (NoteTemplate.TYPE_CUSTOM.equals(template.getType())) {
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try {
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jsonArray.put(template.toJson());
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} catch (JSONException e) {
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e.printStackTrace();
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}
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}
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}
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editor.putString(PREF_TEMPLATES, jsonArray.toString());
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editor.apply();
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}
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/**
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* 获取所有模板
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*/
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public List<NoteTemplate> getAllTemplates() {
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return new ArrayList<>(mTemplates);
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}
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/**
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* 获取系统模板
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*/
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public List<NoteTemplate> getSystemTemplates() {
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List<NoteTemplate> systemTemplates = new ArrayList<>();
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for (NoteTemplate template : mTemplates) {
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if (NoteTemplate.TYPE_SYSTEM.equals(template.getType())) {
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systemTemplates.add(template);
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}
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}
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return systemTemplates;
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}
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/**
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* 获取自定义模板
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*/
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public List<NoteTemplate> getCustomTemplates() {
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List<NoteTemplate> customTemplates = new ArrayList<>();
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for (NoteTemplate template : mTemplates) {
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if (NoteTemplate.TYPE_CUSTOM.equals(template.getType())) {
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customTemplates.add(template);
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}
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}
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return customTemplates;
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}
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/**
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* 根据ID获取模板
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*/
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public NoteTemplate getTemplateById(long id) {
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for (NoteTemplate template : mTemplates) {
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if (template.getId() == id) {
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return template;
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}
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}
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return null;
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}
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/**
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* 添加自定义模板
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*/
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public void addCustomTemplate(NoteTemplate template) {
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// 生成唯一ID
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SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(mContext);
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long id = prefs.getLong(PREF_TEMPLATE_ID_COUNTER, 1000);
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template.setId(id);
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template.setType(NoteTemplate.TYPE_CUSTOM);
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template.setCreateTime(System.currentTimeMillis());
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template.setUpdateTime(System.currentTimeMillis());
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mTemplates.add(template);
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// 更新ID计数器
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prefs.edit().putLong(PREF_TEMPLATE_ID_COUNTER, id + 1).apply();
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// 保存自定义模板
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saveCustomTemplates();
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}
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/**
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* 删除自定义模板
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*/
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public boolean deleteCustomTemplate(long id) {
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NoteTemplate templateToRemove = null;
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for (NoteTemplate template : mTemplates) {
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if (template.getId() == id && NoteTemplate.TYPE_CUSTOM.equals(template.getType())) {
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templateToRemove = template;
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break;
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}
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}
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if (templateToRemove != null) {
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mTemplates.remove(templateToRemove);
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saveCustomTemplates();
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return true;
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}
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return false;
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}
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/**
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* 更新自定义模板
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*/
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public boolean updateCustomTemplate(NoteTemplate updatedTemplate) {
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for (int i = 0; i < mTemplates.size(); i++) {
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NoteTemplate template = mTemplates.get(i);
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if (template.getId() == updatedTemplate.getId() &&
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NoteTemplate.TYPE_CUSTOM.equals(template.getType())) {
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updatedTemplate.setUpdateTime(System.currentTimeMillis());
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mTemplates.set(i, updatedTemplate);
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saveCustomTemplates();
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return true;
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}
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}
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return false;
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}
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}
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