52 lines
1.3 KiB
QML
52 lines
1.3 KiB
QML
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/* JSONListModel - a QML ListModel with JSON and JSONPath support
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*
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* Copyright (c) 2012 Romain Pokrzywka (KDAB) (romain@kdab.com)
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* Licensed under the MIT licence (http://opensource.org/licenses/mit-license.php)
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*/
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import QtQuick 2.0
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import "../lib/jsonpath.js" as JSONPath
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Item {
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property string source: ""
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property string json: ""
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property string query: ""
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property ListModel model : ListModel { id: jsonModel }
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property alias count: jsonModel.count
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onSourceChanged: {
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var xhr = new XMLHttpRequest;
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xhr.open("GET", source);
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xhr.onreadystatechange = function() {
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if (xhr.readyState == XMLHttpRequest.DONE)
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json = xhr.responseText;
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}
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xhr.send();
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}
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onJsonChanged: updateJSONModel()
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onQueryChanged: updateJSONModel()
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function updateJSONModel() {
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jsonModel.clear();
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if ( json === "" )
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return;
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var objectArray = parseJSONString(json, query);
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for ( var key in objectArray ) {
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var jo = objectArray[key];
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jsonModel.append( jo );
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}
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}
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function parseJSONString(jsonString, jsonPathQuery) {
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var objectArray = JSON.parse(jsonString);
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if ( jsonPathQuery !== "" )
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objectArray = JSONPath.jsonPath(objectArray, jsonPathQuery);
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return objectArray;
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}
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}
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