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/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** 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 2.0
import QtQuick.Window 2.1

Item {
    id: tabWidget

    // Setting the default property to stack.children means any child items
    // of the TabWidget are actually added to the 'stack' item's children.
    // See the "Property Binding"
    // documentation for details on default properties.
    default property alias content: stack.children

    property int current: 0

    onCurrentChanged: setZOrders()
    Component.onCompleted: setZOrders()

    function setZOrders() {
        for (var i = 0; i < stack.children.length; ++i) {
            stack.children[i].z = (i == current ? 1 : 0)
            stack.children[i].enabled = (i == current)
        }
    }

    Row {
        id: header

        Repeater {
            model: stack.children.length
            delegate: Rectangle {
                width: tabWidget.width / stack.children.length
                height: Math.max(Screen.pixelDensity * 7, label.implicitHeight * 1.2)

                Rectangle {
                    width: parent.width; height: 1
                    anchors { bottom: parent.bottom; bottomMargin: 1 }
                    color: "#acb2c2"
                }
                BorderImage {
                    anchors { fill: parent; leftMargin: 2; topMargin: 5; rightMargin: 1 }
                    border { left: 7; right: 7 }
                    source: "images/tab.png"
                    visible: tabWidget.current == index
                }
                Text {
                    id: label
                    horizontalAlignment: Qt.AlignHCenter; verticalAlignment: Qt.AlignVCenter
                    anchors.fill: parent
                    text: stack.children[index].title
                    elide: Text.ElideRight
                    font.bold: tabWidget.current == index
                }
                MouseArea {
                    anchors.fill: parent
                    onClicked: tabWidget.current = index
                }
            }
        }
    }

    Item {
        id: stack
        width: tabWidget.width
        anchors.top: header.bottom; anchors.bottom: tabWidget.bottom
    }
}