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Diffstat (limited to 'examples/declarative/modelviews/listview/sections/qml/sections/dynamiclist.qml')
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diff --git a/examples/declarative/modelviews/listview/sections/qml/sections/dynamiclist.qml b/examples/declarative/modelviews/listview/sections/qml/sections/dynamiclist.qml new file mode 100644 index 00000000..0144b0d6 --- /dev/null +++ b/examples/declarative/modelviews/listview/sections/qml/sections/dynamiclist.qml @@ -0,0 +1,203 @@ +/**************************************************************************** +** +** Copyright (C) 2012 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() + } + } +} + |