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/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: http://www.qt-project.org/
**
** 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 Nokia Corporation and its Subsidiary(-ies) 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
Item {
id: flickableList
clip: true
signal clicked
property alias delegate : repeater.delegate
property variant items: []
property int index: 0
property int itemWidth : flickableList.width
function scrollTo(id) {
var x = id*flickableList.itemWidth
if (flickArea.contentX != x) {
centeringAnimation.stop();
flickArea.newX = id*flickableList.itemWidth
centeringAnimation.start();
}
}
onIndexChanged: scrollTo(index)
onWidthChanged: scrollTo(index)
Flickable {
id: flickArea
property int newX: 0
MouseArea {
anchors.fill: parent
onClicked: {
var x = mapToItem(flickableList, mouseX, mouseY).x
if (x < flickableList.width/3) {
if (flickableList.index > 0)
flickableList.scrollTo(flickableList.index-1);
} else if (x > flickableList.width*2/3) {
if (flickableList.index < flickableList.items.length-1)
flickableList.scrollTo(flickableList.index+1);
} else {
flickableList.clicked()
}
}
}
PropertyAnimation {
id: centeringAnimation
target: flickArea
properties: "contentX"
easing.type: Easing.OutQuad
from: flickArea.contentX
to: flickArea.newX
onCompleted: {
flickableList.index = flickArea.newX / flickableList.itemWidth
}
}
onMovementStarted: {
centeringAnimation.stop();
}
onMovementEnded: {
var modulo = flickArea.contentX % flickableList.itemWidth;
var offset = flickableList.itemWidth / 2;
flickArea.newX = modulo < offset ? flickArea.contentX - modulo : flickArea.contentX + (flickableList.itemWidth - modulo);
centeringAnimation.start();
}
width: flickableList.width
height: flickableList.height
contentWidth: items.width
contentHeight: items.height
flickDeceleration: 4000
Row {
id: items
Repeater {
id: repeater
model: flickableList.items.length
}
}
}
}
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