StackViewPage.qml Example File

/****************************************************************************
**
** Copyright (C) 2017 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** 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 https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** BSD License Usage
** Alternatively, you may use this file under the terms of the BSD license
** as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
**   * Redistributions of source code must retain the above copyright
**     notice, this list of conditions and the following disclaimer.
**   * Redistributions in binary form must reproduce the above copyright
**     notice, this list of conditions and the following disclaimer in
**     the documentation and/or other materials provided with the
**     distribution.
**   * Neither the name of The Qt Company Ltd nor the names of its
**     contributors may be used to endorse or promote products derived
**     from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/

import QtQuick 2.6
import QtQuick.Controls 2.1

StackView {
    id: stackView
    initialItem: page

    Component {
        id: page

        Pane {
            id: pane
            width: parent ? parent.width : 0 // TODO: fix null parent on destruction

            Column {
                spacing: 40
                width: parent.width

                Label {
                    width: parent.width
                    wrapMode: Label.Wrap
                    horizontalAlignment: Qt.AlignHCenter
                    text: "StackView provides a stack-based navigation model which can be used with a set of interlinked pages. "
                    + "Items are pushed onto the stack as the user navigates deeper into the material, and popped off again "
                    + "when he chooses to go back."
                }

                Button {
                    id: button
                    text: "Push"
                    anchors.horizontalCenter: parent.horizontalCenter
                    width: Math.max(button.implicitWidth, Math.min(button.implicitWidth * 2, pane.availableWidth / 3))
                    onClicked: stackView.push(page)
                }

                Button {
                    text: "Pop"
                    enabled: stackView.depth > 1
                    width: Math.max(button.implicitWidth, Math.min(button.implicitWidth * 2, pane.availableWidth / 3))
                    anchors.horizontalCenter: parent.horizontalCenter
                    onClicked: stackView.pop()
                }
            }
        }
    }
}