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Diffstat (limited to 'examples/declarative/modelviews/listview/dynamiclist.qml')
| -rw-r--r-- | examples/declarative/modelviews/listview/dynamiclist.qml | 281 |
1 files changed, 281 insertions, 0 deletions
diff --git a/examples/declarative/modelviews/listview/dynamiclist.qml b/examples/declarative/modelviews/listview/dynamiclist.qml new file mode 100644 index 0000000..df2e094 --- /dev/null +++ b/examples/declarative/modelviews/listview/dynamiclist.qml @@ -0,0 +1,281 @@ +/**************************************************************************** +** +** 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 QtDeclarative module 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" +import "../../ui-components/scrollbar" + +Rectangle { + id: container + width: 640; height: 480 + color: "#343434" + + 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" } + ] + } + ListElement { + name: "Elderberry"; cost: 0.05 + attributes: [ + ListElement { description: "Berry" } + ] + } + ListElement { + name: "Fig"; cost: 0.25 + attributes: [ + ListElement { description: "Flower" } + ] + } + } + + Component { + id: fruitDelegate + + Item { + id: wrapper + width: container.width; height: 55 + + Column { + id: moveButtons + x: 5; width: childrenRect.width; anchors.verticalCenter: parent.verticalCenter + + Image { + source: "content/pics/go-up.png" + MouseArea { anchors.fill: parent; onClicked: fruitModel.move(index,index-1,1) } + } + Image { source: "content/pics/go-down.png" + MouseArea { anchors.fill: parent; onClicked: fruitModel.move(index,index+1,1) } + } + } + + Column { + anchors { right: itemButtons.left; verticalCenter: parent.verticalCenter; left: moveButtons.right; leftMargin: 10 } + + Text { + id: label + width: parent.width + color: "White" + font.bold: true; font.pixelSize: 15 + text: name; elide: Text.ElideRight + } + Row { + spacing: 5 + Repeater { + model: attributes + Component { + Text { text: description; color: "White" } + } + } + } + } + + Row { + id: itemButtons + + anchors { right: removeButton.left; rightMargin: 35; verticalCenter: parent.verticalCenter } + width: childrenRect.width + spacing: 10 + + Image { + source: "content/pics/list-add.png" + scale: clickUp.isPressed ? 0.9 : 1 + + ClickAutoRepeating { + id: clickUp + anchors.fill: parent + onClicked: fruitModel.setProperty(index, "cost", cost+0.25) + } + } + + Text { id: costText; text: '$'+Number(cost).toFixed(2); font.pixelSize: 15; color: "White"; font.bold: true; } + + Image { + source: "content/pics/list-remove.png" + scale: clickDown.isPressed ? 0.9 : 1 + + ClickAutoRepeating { + id: clickDown + anchors.fill: parent + onClicked: fruitModel.setProperty(index, "cost", Math.max(0,cost-0.25)) + } + } + } + Image { + id: removeButton + anchors { verticalCenter: parent.verticalCenter; right: parent.right; rightMargin: 10 } + source: "content/pics/archive-remove.png" + + MouseArea { anchors.fill:parent; onClicked: fruitModel.remove(index) } + } + + // Animate adding and removing items + ListView.delayRemove: true // so that the item is not destroyed immediately + ListView.onAdd: state = "add" + ListView.onRemove: state = "remove" + states: [ + State { + name: "add" + PropertyChanges { target: wrapper; height: 55; clip: true } + }, + State { + name: "remove" + PropertyChanges { target: wrapper; height: 0; clip: true } + } + ] + transitions: [ + Transition { + to: "add" + SequentialAnimation { + NumberAnimation { properties: "height"; from: 0; to: 55 } + PropertyAction { target: wrapper; property: "state"; value: "" } + } + }, + Transition { + to: "remove" + SequentialAnimation { + NumberAnimation { properties: "height" } + // Make sure delayRemove is set back to false so that the item can be destroyed + PropertyAction { target: wrapper; property: "ListView.delayRemove"; value: false } + } + } + ] + } + } + + ListView { + id: view + anchors { top: parent.top; left: parent.left; right: parent.right; bottom: buttons.top } + model: fruitModel + delegate: fruitDelegate + } + + // Attach scrollbar to the right edge of the view. + ScrollBar { + id: verticalScrollBar + + width: 8; height: view.height; anchors.right: view.right + opacity: 0 + orientation: Qt.Vertical + position: view.visibleArea.yPosition + pageSize: view.visibleArea.heightRatio + + // Only show the scrollbar when the view is moving. + states: State { + name: "ShowBars"; when: view.movingVertically + PropertyChanges { target: verticalScrollBar; opacity: 1 } + } + transitions: Transition { + NumberAnimation { properties: "opacity"; duration: 400 } + } + } + + Row { + id: buttons + + x: 8; width: childrenRect.width; height: childrenRect.height + anchors { bottom: parent.bottom; bottomMargin: 8 } + spacing: 8 + + Image { + source: "content/pics/archive-insert.png" + + MouseArea { + anchors.fill: parent + onClicked: { + fruitModel.append({ + "name": "Pizza Margarita", + "cost": 5.95, + "attributes": [{"description": "Cheese"},{"description": "Tomato"}] + }) + } + } + } + + Image { + source: "content/pics/archive-insert.png" + + MouseArea { + anchors.fill: parent; + onClicked: { + fruitModel.insert(0, { + "name": "Pizza Supreme", + "cost": 9.95, + "attributes": [{"description": "Cheese"},{"description": "Tomato"},{"description": "The Works"}] + }) + } + } + } + + Image { + source: "content/pics/archive-remove.png" + + MouseArea { + anchors.fill: parent + onClicked: fruitModel.clear() + } + } + } +} |