framework/qml/ModelIndexRetriever.qml

0001 /*
0002  *  Copyright (C) 2017 Christian Mollekopf, <mollekopf@kolabsys.com>
0003  *
0004  *  This program is free software; you can redistribute it and/or modify
0005  *  it under the terms of the GNU General Public License as published by
0006  *  the Free Software Foundation; either version 2 of the License, or
0007  *  (at your option) any later version.
0008  *
0009  *  This program is distributed in the hope that it will be useful,
0010  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
0011  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
0012  *  GNU General Public License for more details.
0013  *
0014  *  You should have received a copy of the GNU General Public License along
0015  *  with this program; if not, write to the Free Software Foundation, Inc.,
0016  *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
0017  */
0018
0019 import QtQuick 2.4
0020
0021 Repeater {
0022     id: root
0023     property var currentData
0024     property int currentIndex: 0
0025
0026     function increaseCurrentIndex() {
0027         if (currentIndex < count - 1) {
0028             currentIndex = currentIndex + 1
0029         }
0030     }
0031
0032     function decreaseCurrentIndex() {
0033         if (currentIndex > 0) {
0034             currentIndex = currentIndex - 1
0035         }
0036     }
0037
0038     onCurrentIndexChanged: {
0039         currentData = itemAt(currentIndex).currentData
0040     }
0041     Item {
0042         property var currentData: model
0043         onCurrentDataChanged: {
0044             if (index == root.currentIndex) {
0045                 root.currentData = model
0046             }
0047         }
0048         visible: false
0049     }
0050 }