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/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** 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 Qt 4.7
import "content"
// This example shows how items can be dynamically added to and removed from
// a ListModel, and how these list modifications can be animated.
Rectangle {
id: container
width: 500; height: 400
color: "#343434"
// The model:
ListModel {
id: fruitModel
ListElement {
name: "Apple"; cost: 2.45
attributes: [
ListElement { description: "Core" },
ListElement { description: "Deciduous" }
]
}
ListElement {
name: "Banana"; cost: 1.95
attributes: [
ListElement { description: "Tropical" },
ListElement { description: "Seedless" }
]
}
ListElement {
name: "Cumquat"; cost: 3.25
attributes: [
ListElement { description: "Citrus" }
]
}
ListElement {
name: "Durian"; cost: 9.95
attributes: [
ListElement { description: "Tropical" },
ListElement { description: "Smelly" }
]
}
}
// The delegate for each fruit in the model:
Component {
id: listDelegate
Item {
id: delegateItem
width: listView.width; height: 55
clip: true
Row {
anchors.verticalCenter: parent.verticalCenter
spacing: 10
Column {
Image {
source: "content/pics/arrow-up.png"
MouseArea { anchors.fill: parent; onClicked: fruitModel.move(index, index-1, 1) }
}
Image { source: "content/pics/arrow-down.png"
MouseArea { anchors.fill: parent; onClicked: fruitModel.move(index, index+1, 1) }
}
}
Column {
anchors.verticalCenter: parent.verticalCenter
Text {
text: name
font.pixelSize: 15
color: "white"
}
Row {
spacing: 5
Repeater {
model: attributes
Text { text: description; color: "White" }
}
}
}
}
Row {
anchors.verticalCenter: parent.verticalCenter
anchors.right: parent.right
spacing: 10
PressAndHoldButton {
anchors.verticalCenter: parent.verticalCenter
source: "content/pics/plus-sign.png"
onClicked: fruitModel.setProperty(index, "cost", cost + 0.25)
}
Text {
id: costText
anchors.verticalCenter: parent.verticalCenter
text: '$' + Number(cost).toFixed(2)
font.pixelSize: 15
color: "white"
font.bold: true
}
PressAndHoldButton {
anchors.verticalCenter: parent.verticalCenter
source: "content/pics/minus-sign.png"
onClicked: fruitModel.setProperty(index, "cost", Math.max(0,cost-0.25))
}
Image {
source: "content/pics/list-delete.png"
MouseArea { anchors.fill:parent; onClicked: fruitModel.remove(index) }
}
}
// Animate adding and removing of items:
ListView.onAdd: SequentialAnimation {
PropertyAction { target: delegateItem; property: "height"; value: 0 }
NumberAnimation { target: delegateItem; property: "height"; to: 55; duration: 250; easing.type: Easing.InOutQuad }
}
ListView.onRemove: SequentialAnimation {
PropertyAction { target: delegateItem; property: "ListView.delayRemove"; value: true }
NumberAnimation { target: delegateItem; property: "height"; to: 0; duration: 250; easing.type: Easing.InOutQuad }
// Make sure delayRemove is set back to false so that the item can be destroyed
PropertyAction { target: delegateItem; property: "ListView.delayRemove"; value: false }
}
}
}
// The view:
ListView {
id: listView
anchors.fill: parent; anchors.margins: 20
model: fruitModel
delegate: listDelegate
}
Row {
anchors { left: parent.left; bottom: parent.bottom; margins: 20 }
spacing: 10
TextButton {
text: "Add an item"
onClicked: {
fruitModel.append({
"name": "Pizza Margarita",
"cost": 5.95,
"attributes": [{"description": "Cheese"}, {"description": "Tomato"}]
})
}
}
TextButton {
text: "Remove all items"
onClicked: fruitModel.clear()
}
}
}
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