Warning, /multimedia/kid3/src/qml/script/ExportJson.qml is written in an unsupported language. File is not indexed.

 /**
  * \file ExportJson.qml
  * Export all tags of all files to a JSON file.
  *
  * \b Project: Kid3
  * \author Urs Fleisch
  * \date 29 Oct 2021
  *
  * Copyright (C) 2021  Urs Fleisch
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU Lesser General Public License as published by
  * the Free Software Foundation; version 3.
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 import Kid3 1.0
 
 Kid3Script {
   onRun: {
     var obj = {data: []}
     var selectedFramesV1 = null
     var selectedFramesV2 = null
     var selectedFramesV3 = null
 
     /**
      * Get list of frame names which are selected in frame table.
      * @param tagNr Frame.Tag_1, Frame.Tag_2, or Frame.Tag_3
      * @return selected frame names, null if all frames are selected.
      */
     function getSelectedFrames(tagNr) {
       var checked = []
       var frameModel = app.tag(tagNr).frameModel
       var numRows = frameModel.rowCount()
       for (var row = 0; row < numRows; ++row) {
         var name = script.getRoleData(frameModel, row, "name")
         if (script.getRoleData(frameModel, row, "checkState") === Qt.Checked) {
           checked.push(name)
         }
       }
       return checked.length < numRows ? checked : null
     }
 
     /**
      * Remove all frames from tags which are not included in @a selectedFrames.
      * @param tags object with frame names as keys
      * @param selectedFrames array with keys which will not be removed,
      * if null, nothing will be removed
      */
     function removeUnselectedFrames(tags, selectedFrames) {
       if (selectedFrames) {
         for (var name in tags) {
           if (tags.hasOwnProperty(name)) {
             if (!selectedFrames.includes(name)) {
               delete tags[name]
             }
           }
         }
       }
     }
 
     function doWork() {
       var tags
       var prop
       if (app.selectionInfo.tag(Frame.Tag_2).tagFormat) {
         tags = app.getAllFrames(tagv2)
         removeUnselectedFrames(tags, selectedFramesV2)
       }
       if (app.selectionInfo.tag(Frame.Tag_1).tagFormat) {
         var tagsV1 = app.getAllFrames(tagv1)
         removeUnselectedFrames(tagsV1, selectedFramesV1)
         if (typeof tags === "undefined") {
           tags = {}
         }
         for (prop in tagsV1) {
           tags["v1" + prop] = tagsV1[prop]
         }
       }
       if (app.selectionInfo.tag(Frame.Tag_3).tagFormat) {
         var tagsV3 = app.getAllFrames(Frame.TagV3)
         removeUnselectedFrames(tagsV3, selectedFramesV3)
         if (typeof tags === "undefined") {
           tags = {}
         }
         for (prop in tagsV3) {
           tags["v3" + prop] = tagsV3[prop]
         }
       }
       if (tags) {
         // Feel free to add additional elements, but you may have to exclude
         // them in ImportJson.qml too.
         // tags["Duration"] = app.selectionInfo.formatString(Frame.Tag_2, "%{duration}")
         // tags["Bitrate"] = app.selectionInfo.formatString(Frame.Tag_2, "%{bitrate}")
         // tags["Mode"] = app.selectionInfo.formatString(Frame.Tag_2, "%{mode}")
         // tags["Codec"] = app.selectionInfo.formatString(Frame.Tag_2, "%{codec}")
         // tags["Directory"] = app.selectionInfo.formatString(Frame.Tag_2, "%{dirname}")
         // tags["File"] = app.selectionInfo.formatString(Frame.Tag_2, "%{file}")
         obj.data.push(tags)
         tags["File Path"] = app.selectionInfo.filePath
       }
 
       if (!app.nextFile()) {
         var txt = JSON.stringify(obj)
         var exportPath = getArguments()[0]
         if (!exportPath) {
           exportPath = app.selectFileName(
             "Export", app.dirName + "/export.json",
             "JSON files (*.json);;All files (*)", true)
           if (!exportPath) {
             Qt.quit()
             return
           }
         }
         if (script.writeFile(exportPath, txt)) {
           console.log("Exported tags of %1 files to %2".
                       arg(obj.data.length).arg(exportPath))
         } else {
           console.log("Failed to write", exportPath)
         }
         Qt.quit()
       } else {
         setTimeout(doWork, 1)
       }
     }
 
     function startWork() {
       selectedFramesV1 = getSelectedFrames(Frame.Tag_1)
       selectedFramesV2 = getSelectedFrames(Frame.Tag_2)
       selectedFramesV3 = getSelectedFrames(Frame.Tag_3)
 
       app.expandFileListFinished.disconnect(startWork)
       console.log("Reading tags")
       app.firstFile()
       doWork()
     }
 
     if (!isStandalone() && app.hasGui()) {
       console.log("Expanding file list")
       app.expandFileListFinished.connect(startWork)
       app.requestExpandFileList()
     } else {
       startWork()
     }
   }
 }