49 lines
1.6 KiB
QML
49 lines
1.6 KiB
QML
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// =============================================
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// =============== 异步文件加载器 ===============
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// =============================================
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// 用于全局任意模块加载大量文件
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import QtQuick 2.15
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Item {
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property string tips: qsTr("正在载入 %1 个文件：\n%2")
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property real updateTime: 0.2 // 刷新事件时间间隔
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property var callback_: undefined // 缓存最近一次回调函数
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Component.onCompleted: {
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// 订阅事件
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qmlapp.pubSub.subscribeGroup("<<fileLoadComplete>>", this,
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"fileLoadComplete", "FilesLoader")
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qmlapp.pubSub.subscribeGroup("<<fileLoadUpdate>>", this,
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"fileLoadUpdate", "FilesLoader")
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}
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function run(
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urls, // 初始路径列表
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sufType, // 后缀类型，image / doc
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isRecurrence, // 若为True，则递归搜索
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callback // 加载完成后，向此回调函数传入路径列表
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) {
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callback_ = callback
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qmlapp.popup.showMask(tips.arg(1).arg(""), "LoadingFiles")
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qmlapp.utilsConnector.asynFindFiles(
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urls,
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sufType,
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isRecurrence,
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"<<fileLoadComplete>>",
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"<<fileLoadUpdate>>",
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updateTime
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)
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}
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// 文件扫描结束，获取合法文件列表
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function fileLoadComplete(paths) {
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qmlapp.popup.hideMask("LoadingFiles")
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callback_(paths)
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callback_ = undefined
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}
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// 文件扫描更新，刷新提示文本
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function fileLoadUpdate(filesCount, lastPath) {
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qmlapp.popup.showMask(tips.arg(filesCount).arg(lastPath),
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"LoadingFiles")
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}
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}
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