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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.Controls 1.1
Rectangle {
id: page
property real ratio: width / 320 < height / 440 ? width / 320 : height / 440
property int elementSpacing: 6.3 * ratio
width: 320
height: 440
Button {
anchors.top: parent.top
anchors.right: parent.right
anchors.margins: 10
text: hidingRect.visible ? "Hide" : "Show"
onClicked: hidingRect.visible = !hidingRect.visible
}
// Create column with four rectangles, the fourth one is hidden
Column {
id: column
anchors.top: parent.top
anchors.left: parent.left
anchors.leftMargin: page.width / 32
anchors.topMargin: page.height / 48
spacing: elementSpacing
//! [0]
Rectangle {
id: green
color: "#80c342"
width: 100 * ratio
height: 100 * ratio
Text {
anchors.left: parent.right
anchors.leftMargin: 20
anchors.verticalCenter: parent.verticalCenter
text: "Index: " + parent.Positioner.index
+ (parent.Positioner.isFirstItem ? " (First)" : "")
+ (parent.Positioner.isLastItem ? " (Last)" : "")
}
// When mouse is clicked, display the values of the positioner
MouseArea {
anchors.fill: parent
onClicked: column.showInfo(green.Positioner)
}
}
//! [0]
Rectangle {
id: blue
color: "#14aaff"
width: 100 * ratio
height: 100 * ratio
Text {
anchors.left: parent.right
anchors.leftMargin: 20
anchors.verticalCenter: parent.verticalCenter
text: "Index: " + parent.Positioner.index
+ (parent.Positioner.isFirstItem ? " (First)" : "")
+ (parent.Positioner.isLastItem ? " (Last)" : "")
}
// When mouse is clicked, display the values of the positioner
MouseArea {
anchors.fill: parent
onClicked: column.showInfo(blue.Positioner)
}
}
Rectangle {
id: purple
color: "#6400aa"
width: 100 * ratio
height: 100 * ratio
Text {
anchors.left: parent.right
anchors.leftMargin: 20
anchors.verticalCenter: parent.verticalCenter
text: "Index: " + parent.Positioner.index
+ (parent.Positioner.isFirstItem ? " (First)" : "")
+ (parent.Positioner.isLastItem ? " (Last)" : "")
}
// When mouse is clicked, display the values of the positioner
MouseArea {
anchors.fill: parent
onClicked: column.showInfo(purple.Positioner)
}
}
// This rectangle is not visible, so it doesn't have a positioner value
Rectangle {
id: hidingRect
color: "#006325"
width: 100 * ratio
height: 100 * ratio
visible: false
Text {
anchors.left: parent.right
anchors.leftMargin: 20
anchors.verticalCenter: parent.verticalCenter
text: "Index: " + parent.Positioner.index
+ (parent.Positioner.isFirstItem ? " (First)" : "")
+ (parent.Positioner.isLastItem ? " (Last)" : "")
}
}
// Print the index of the child item in the positioner and convenience
// properties showing if it's the first or last item.
function showInfo(positioner) {
console.log("Item Index = " + positioner.index)
console.log(" isFirstItem = " + positioner.isFirstItem)
console.log(" isLastItem = " + positioner.isLastItem)
}
}
}
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