106 lines
2.9 KiB
QML
106 lines
2.9 KiB
QML
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// ================================================
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// =============== 主题切换的逻辑管理 ===============
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// ================================================
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import QtQuick 2.15
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import ThemeConnector 1.0
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Item {
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// ==================== 【接口】 ====================
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// 初始化
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function init() {
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loadAll() // 加载主题
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console.log("主题管理器初始化完毕！", this)
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}
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// 从配置文件中加载 theme.all
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function loadAll() {
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const tstr = tConn.loadThemeStr() // 文件读字符串
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let f = strToAll(tstr) // 字符串写入all
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if(!f) { // 写入失败，则初始化配置文件
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console.log("初始化主题配置文件")
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saveAll()
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}
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}
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// 将 theme.all写入配置文件
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function saveAll() {
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const tstr = allToStr()
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tConn.saveThemeStr(tstr)
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}
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// 切换主题
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function switchTheme(th) {
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if(!theme.all.hasOwnProperty(th)) {
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console.warn("切换主题失败，theme.all 不存在主题", k)
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return
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}
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const target = theme.all[th]
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for(const k of theme.keys) {
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theme[k] = target[k]
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}
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}
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// 获取主题列表
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function getOptionsList() {
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let optList = []
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for(let k in theme.all) {
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optList.push([k, theme.all[k].themeTitle])
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}
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return optList
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}
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// =========================================================
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// 连接器
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ThemeConnector{id: tConn}
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// 从json字符串加载主题配置，写入 theme.all 。返回是否成功
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function strToAll(tstr) {
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if(!tstr)
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return false
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try {
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// 加载并检查主题字典
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let all = JSON.parse(tstr)
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for(let k in all) {
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if(!checkThemeDict(all[k])) {
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console.warn("加载单个主题失败：", k)
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delete all[k]
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continue
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}
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// 覆盖加载名称
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if(theme.all.hasOwnProperty(k)) {
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all[k].themeTitle = theme.all[k].themeTitle
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}
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}
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if(Object.keys(all).length === 0) {
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return false
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}
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theme.all = all
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return true
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} catch (error) {
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console.warn("解析主题JSON字符串时出现异常:", error)
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}
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return false
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}
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// 将 theme.all 转为json字符串
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function allToStr() {
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return JSON.stringify(theme.all, null, " ")
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}
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// 检测单个主题字典的合法性
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function checkThemeDict(td) {
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const tdKeys = Object.keys(td);
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if (tdKeys.length !== theme.keys.length) {
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return false // 长度不符
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}
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for (let k of theme.keys) {
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if (!tdKeys.includes(k))
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return false // 缺键
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}
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return true
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}
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}
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