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Breadcrumbs go here --> </ul> </div> <div class="toolbuttons toolblock"> <ul> <li id="smallA" class="t_button">A</li> <li id="medA" class="t_button active">A</li> <li id="bigA" class="t_button">A</li> <li id="print" class="t_button"><a href="javascript:this.print();"> <span>Print</span></a></li> </ul> </div> </div> <div class="content mainContent"> <h1 class="title">dynamiclist.qml Example File</h1> <span class="small-subtitle">declarative/modelviews/listview/dynamiclist/qml/dynamic/dynamiclist.qml</span> <!-- $$$declarative/modelviews/listview/dynamiclist/qml/dynamic/dynamiclist.qml-description --> <div class="descr"> <a name="details"></a> <pre class="qml"> <span class="comment">/**************************************************************************** ** ** Copyright (C) 2015 The Qt Company Ltd. ** Contact: http://www.qt.io/licensing/ ** ** 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 The Qt Company Ltd 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." ** ** $QT_END_LICENSE$ ** ****************************************************************************/</span> import QtQuick 1.0 import "content" <span class="comment">// This example shows how items can be dynamically added to and removed from</span> <span class="comment">// a ListModel, and how these list modifications can be animated.</span> <span class="type"><a href="qml-rectangle.html">Rectangle</a></span> { <span class="name">id</span>: <span class="name">container</span> <span class="name">width</span>: <span class="number">500</span>; <span class="name">height</span>: <span class="number">400</span> <span class="name">color</span>: <span class="string">"#343434"</span> <span class="comment">// The model:</span> <span class="type"><a href="qml-listmodel.html">ListModel</a></span> { <span class="name">id</span>: <span class="name">fruitModel</span> <span class="type"><a href="qml-listelement.html">ListElement</a></span> { <span class="name">name</span>: <span class="string">"Apple"</span>; <span class="name">cost</span>: <span class="number">2.45</span> <span class="name">attributes</span>: [ <span class="type"><a href="qml-listelement.html">ListElement</a></span> { <span class="name">description</span>: <span class="string">"Core"</span> }, <span class="type"><a href="qml-listelement.html">ListElement</a></span> { <span class="name">description</span>: <span class="string">"Deciduous"</span> } ] } <span class="type"><a href="qml-listelement.html">ListElement</a></span> { <span class="name">name</span>: <span class="string">"Banana"</span>; <span class="name">cost</span>: <span class="number">1.95</span> <span class="name">attributes</span>: [ <span class="type"><a href="qml-listelement.html">ListElement</a></span> { <span class="name">description</span>: <span class="string">"Tropical"</span> }, <span class="type"><a href="qml-listelement.html">ListElement</a></span> { <span class="name">description</span>: <span class="string">"Seedless"</span> } ] } <span class="type"><a href="qml-listelement.html">ListElement</a></span> { <span class="name">name</span>: <span class="string">"Cumquat"</span>; <span class="name">cost</span>: <span class="number">3.25</span> <span class="name">attributes</span>: [ <span class="type"><a href="qml-listelement.html">ListElement</a></span> { <span class="name">description</span>: <span class="string">"Citrus"</span> } ] } <span class="type"><a href="qml-listelement.html">ListElement</a></span> { <span class="name">name</span>: <span class="string">"Durian"</span>; <span class="name">cost</span>: <span class="number">9.95</span> <span class="name">attributes</span>: [ <span class="type"><a href="qml-listelement.html">ListElement</a></span> { <span class="name">description</span>: <span class="string">"Tropical"</span> }, <span class="type"><a href="qml-listelement.html">ListElement</a></span> { <span class="name">description</span>: <span class="string">"Smelly"</span> } ] } } <span class="comment">// The delegate for each fruit in the model:</span> <span class="type"><a href="qml-component.html">Component</a></span> { <span class="name">id</span>: <span class="name">listDelegate</span> <span class="type"><a href="qml-item.html">Item</a></span> { <span class="name">id</span>: <span class="name">delegateItem</span> <span class="name">width</span>: <span class="name">listView</span>.<span class="name">width</span>; <span class="name">height</span>: <span class="number">55</span> <span class="name">clip</span>: <span class="number">true</span> <span class="type"><a href="qml-row.html">Row</a></span> { <span class="name">anchors</span>.verticalCenter: <span class="name">parent</span>.<span class="name">verticalCenter</span> <span class="name">spacing</span>: <span class="number">10</span> <span class="type"><a href="qml-column.html">Column</a></span> { <span class="type"><a href="qml-image.html">Image</a></span> { <span class="name">source</span>: <span class="string">"content/pics/arrow-up.png"</span> <span class="type"><a href="qml-mousearea.html">MouseArea</a></span> { <span class="name">anchors</span>.fill: <span class="name">parent</span>; <span class="name">onClicked</span>: <span class="name">fruitModel</span>.<span class="name">move</span>(<span class="name">index</span>, <span class="name">index</span><span class="operator">-</span><span class="number">1</span>, <span class="number">1</span>) } } <span class="type"><a href="qml-image.html">Image</a></span> { <span class="name">source</span>: <span class="string">"content/pics/arrow-down.png"</span> <span class="type"><a href="qml-mousearea.html">MouseArea</a></span> { <span class="name">anchors</span>.fill: <span class="name">parent</span>; <span class="name">onClicked</span>: <span class="name">fruitModel</span>.<span class="name">move</span>(<span class="name">index</span>, <span class="name">index</span><span class="operator">+</span><span class="number">1</span>, <span class="number">1</span>) } } } <span class="type"><a href="qml-column.html">Column</a></span> { <span class="name">anchors</span>.verticalCenter: <span class="name">parent</span>.<span class="name">verticalCenter</span> <span class="type"><a href="qml-text.html">Text</a></span> { <span class="name">text</span>: <span class="name">name</span> <span class="name">font</span>.pixelSize: <span class="number">15</span> <span class="name">color</span>: <span class="string">"white"</span> } <span class="type"><a href="qml-row.html">Row</a></span> { <span class="name">spacing</span>: <span class="number">5</span> <span class="type"><a href="qml-repeater.html">Repeater</a></span> { <span class="name">model</span>: <span class="name">attributes</span> <span class="type"><a href="qml-text.html">Text</a></span> { <span class="name">text</span>: <span class="name">description</span>; <span class="name">color</span>: <span class="string">"White"</span> } } } } } <span class="type"><a href="qml-row.html">Row</a></span> { <span class="name">anchors</span>.verticalCenter: <span class="name">parent</span>.<span class="name">verticalCenter</span> <span class="name">anchors</span>.right: <span class="name">parent</span>.<span class="name">right</span> <span class="name">spacing</span>: <span class="number">10</span> <span class="type">PressAndHoldButton</span> { <span class="name">anchors</span>.verticalCenter: <span class="name">parent</span>.<span class="name">verticalCenter</span> <span class="name">source</span>: <span class="string">"content/pics/plus-sign.png"</span> <span class="name">onClicked</span>: <span class="name">fruitModel</span>.<span class="name">setProperty</span>(<span class="name">index</span>, <span class="string">"cost"</span>, <span class="name">cost</span> <span class="operator">+</span> <span class="number">0.25</span>) } <span class="type"><a href="qml-text.html">Text</a></span> { <span class="name">id</span>: <span class="name">costText</span> <span class="name">anchors</span>.verticalCenter: <span class="name">parent</span>.<span class="name">verticalCenter</span> <span class="name">text</span>: <span class="string">'$'</span> <span class="operator">+</span> <span class="name">Number</span>(<span class="name">cost</span>).<span class="name">toFixed</span>(<span class="number">2</span>) <span class="name">font</span>.pixelSize: <span class="number">15</span> <span class="name">color</span>: <span class="string">"white"</span> <span class="name">font</span>.bold: <span class="number">true</span> } <span class="type">PressAndHoldButton</span> { <span class="name">anchors</span>.verticalCenter: <span class="name">parent</span>.<span class="name">verticalCenter</span> <span class="name">source</span>: <span class="string">"content/pics/minus-sign.png"</span> <span class="name">onClicked</span>: <span class="name">fruitModel</span>.<span class="name">setProperty</span>(<span class="name">index</span>, <span class="string">"cost"</span>, <span class="name">Math</span>.<span class="name">max</span>(<span class="number">0</span>,<span class="name">cost</span><span class="operator">-</span><span class="number">0.25</span>)) } <span class="type"><a href="qml-image.html">Image</a></span> { <span class="name">source</span>: <span class="string">"content/pics/list-delete.png"</span> <span class="type"><a href="qml-mousearea.html">MouseArea</a></span> { <span class="name">anchors</span>.fill:<span class="name">parent</span>; <span class="name">onClicked</span>: <span class="name">fruitModel</span>.<span class="name">remove</span>(<span class="name">index</span>) } } } <span class="comment">// Animate adding and removing of items:</span> <span class="name">ListView</span>.onAdd: <span class="name">SequentialAnimation</span> { <span class="type"><a href="qml-propertyaction.html">PropertyAction</a></span> { <span class="name">target</span>: <span class="name">delegateItem</span>; <span class="name">property</span>: <span class="string">"height"</span>; <span class="name">value</span>: <span class="number">0</span> } <span class="type"><a href="qml-numberanimation.html">NumberAnimation</a></span> { <span class="name">target</span>: <span class="name">delegateItem</span>; <span class="name">property</span>: <span class="string">"height"</span>; <span class="name">to</span>: <span class="number">55</span>; <span class="name">duration</span>: <span class="number">250</span>; <span class="name">easing</span>.type: <span class="name">Easing</span>.<span class="name">InOutQuad</span> } } <span class="name">ListView</span>.onRemove: <span class="name">SequentialAnimation</span> { <span class="type"><a href="qml-propertyaction.html">PropertyAction</a></span> { <span class="name">target</span>: <span class="name">delegateItem</span>; <span class="name">property</span>: <span class="string">"ListView.delayRemove"</span>; <span class="name">value</span>: <span class="number">true</span> } <span class="type"><a href="qml-numberanimation.html">NumberAnimation</a></span> { <span class="name">target</span>: <span class="name">delegateItem</span>; <span class="name">property</span>: <span class="string">"height"</span>; <span class="name">to</span>: <span class="number">0</span>; <span class="name">duration</span>: <span class="number">250</span>; <span class="name">easing</span>.type: <span class="name">Easing</span>.<span class="name">InOutQuad</span> } <span class="comment">// Make sure delayRemove is set back to false so that the item can be destroyed</span> <span class="type"><a href="qml-propertyaction.html">PropertyAction</a></span> { <span class="name">target</span>: <span class="name">delegateItem</span>; <span class="name">property</span>: <span class="string">"ListView.delayRemove"</span>; <span class="name">value</span>: <span class="number">false</span> } } } } <span class="comment">// The view:</span> <span class="type"><a href="qml-listview.html">ListView</a></span> { <span class="name">id</span>: <span class="name">listView</span> <span class="name">anchors</span>.fill: <span class="name">parent</span>; <span class="name">anchors</span>.margins: <span class="number">20</span> <span class="name">model</span>: <span class="name">fruitModel</span> <span class="name">delegate</span>: <span class="name">listDelegate</span> } <span class="type"><a href="qml-row.html">Row</a></span> { <span class="type">anchors</span> { <span class="name">left</span>: <span class="name">parent</span>.<span class="name">left</span>; <span class="name">bottom</span>: <span class="name">parent</span>.<span class="name">bottom</span>; <span class="name">margins</span>: <span class="number">20</span> } <span class="name">spacing</span>: <span class="number">10</span> <span class="type">TextButton</span> { <span class="name">text</span>: <span class="string">"Add an item"</span> <span class="name">onClicked</span>: { <span class="name">fruitModel</span>.<span class="name">append</span>({ "name": <span class="string">"Pizza Margarita"</span>, "cost": 5.95, "attributes": [{"description": "Cheese"}, {"description": "Tomato"}] }) } } <span class="type">TextButton</span> { <span class="name">text</span>: <span class="string">"Remove all items"</span> <span class="name">onClicked</span>: <span class="name">fruitModel</span>.<span class="name">clear</span>() } } }</pre> </div> <!-- @@@declarative/modelviews/listview/dynamiclist/qml/dynamic/dynamiclist.qml --> </div> </div> </div> <div class="ft"> <span></span> </div> </div> <div class="footer"> <p> <acronym title="Copyright">©</acronym> 2015 The Qt Company Ltd. 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