Add Utils

QtQuick.Studio.Utils does contain FileReader, JSONBackend
and JSONListModel.

Change-Id: I77794a3759d86d70316aaf2e128624835aa1a0cc
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
Reviewed-by: Thomas Hartmann <thomas.hartmann@qt.io>

1 files changed, 79 insertions, 0 deletions

diff --git a/src/imports/utils/JSONListModel.qml b/src/imports/utils/JSONListModel.qml
new file mode 100644
index 0000000..edba312
--- /dev/null
+++ b/src/imports/utils/JSONListModel.qml
@@ -0,0 +1,79 @@
+/****************************************************************************
+**
+** Copyright (C) 2023 The Qt Company Ltd.
+** Contact: http://www.qt.io/licensing/
+**
+** This file is part of the Qt Quick Dialogs module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL3$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see http://www.qt.io/terms-conditions. For further
+** information use the contact form at http://www.qt.io/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 3 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPLv3 included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 3 requirements
+** will be met: https://www.gnu.org/licenses/lgpl.html.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 2.0 or later as published by the Free
+** Software Foundation and appearing in the file LICENSE.GPL included in
+** the packaging of this file. Please review the following information to
+** ensure the GNU General Public License version 2.0 requirements will be
+** met: http://www.gnu.org/licenses/gpl-2.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+import QtQuick
+import QtQuick.Studio.Utils
+
+ListModel {
+    id: listModel
+    property url source: Qt.resolvedUrl("listmodel.json")
+    property string __json: fileReader.content
+    property string __query
+
+
+    property FileReader fileReader: FileReader {
+        id: fileReader
+        filePath: listModel.source
+    }
+
+    on__JsonChanged: listModel.updateJSON()
+    on__QueryChanged: listModel.updateJSON()
+
+    function updateJSON() {
+        if (listModel.__json === "" )
+            return;
+
+        listModel.clear()
+
+        var objectArray = parseJSONString(listModel.__json, listModel.__query);
+        for ( var key in objectArray ) {
+            var jo = objectArray[key];
+             listModel.append( jo );
+        }
+    }
+
+    function parseJSONString(jsonString, jsonPathQuery) {
+        var objectArray = JSON.parse(jsonString);
+        if ( jsonPathQuery !== "" )
+            objectArray = JSONPath.jsonPath(objectArray, jsonPathQuery);
+        else {
+            console.error("JSON parsing failed")
+        }
+
+        return objectArray;
+    }
+
+}