Inital commit of the Komplex Hub
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/****************************************************************************
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**
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** Copyright (C) 2020 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of Qt Quick Designer Components.
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**
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** $QT_BEGIN_LICENSE:GPL$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3 or (at your option) any later version
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** approved by the KDE Free Qt Foundation. The licenses are as published by
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** the Free Software Foundation and appearing in the file LICENSE.GPL3
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** included in the packaging of this file. Please review the following
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** information to ensure the GNU General Public License requirements will
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** be met: https://www.gnu.org/licenses/gpl-3.0.html.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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import QtQuick 2.12
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QtObject {
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id: list
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property Item intialItem
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//has next prev and most likely currentIndex, count
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property var items
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property Item nextItem
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property Item prevItem
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property Item currentItem
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onCurrentItemChanged: {
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var currentIndex = list.__indexForCurrentItem()
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if (currentIndex < (list.items.length - 1))
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list.nextItem = list.items[currentIndex + 1]
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if (currentIndex > 0)
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list.prevItem = list.items[currentIndex - 1]
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}
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function __indexForCurrentItem() {
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var currentIndex = -1
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for (var i = 0; i < list.items.length; ++i) {
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var item = list.items[i]
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if (item === list.currentItem)
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currentIndex = i
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}
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return currentIndex
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}
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property int length: items.length
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function next() {
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var currentIndex = list.__indexForCurrentItem()
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list.nextItem = null
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if (currentIndex > -1 && (currentIndex < list.items.length - 1)) {
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list.prevItem = list.items[currentIndex]
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list.currentItem = list.items[currentIndex + 1]
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if (currentIndex + 2 < list.items.length)
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list.nextItem = list.items[currentIndex + 2]
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}
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}
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function prev() {
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var currentIndex = list.__indexForCurrentItem()
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list.prevItem = null
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if (currentIndex > 0 && currentIndex < (list.items.length)) {
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if (currentIndex - 2 >= 0)
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list.prevItem = list.items[currentIndex - 2]
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list.currentItem = list.items[currentIndex - 1]
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list.nextItem = list.items[currentIndex]
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}
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}
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Component.onCompleted: {
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list.currentItem = list.intialItem
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var currentIndex = list.__indexForCurrentItem()
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if (currentIndex < (list.items.length - 1))
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list.nextItem = list.items[currentIndex + 1]
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if (currentIndex > 0)
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list.prevItem = list.items[currentIndex - 1]
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}
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}
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