/**************************************************************************** ** ** Copyright (C) 2011 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 QtQuick 1.0 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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