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class="breadcrumb toolblock"> <ul> <li class="first"><a href="index.html">Home</a></li> <!-- 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">expandingdelegates.qml Example File</h1> <span class="small-subtitle">declarative/modelviews/listview/highlightranges/qml/highlightranges/expandingdelegates.qml</span> <!-- $$$declarative/modelviews/listview/highlightranges/qml/highlightranges/expandingdelegates.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 illustrates expanding a list item to show a more detailed view.</span> <span class="type"><a href="qml-rectangle.html">Rectangle</a></span> { <span class="name">id</span>: <span class="name">page</span> <span class="name">width</span>: <span class="number">400</span>; <span class="name">height</span>: <span class="number">240</span> <span class="name">color</span>: <span class="string">"black"</span> <span class="comment">// Delegate for the recipes. This delegate has two modes:</span> <span class="comment">// 1. List mode (default), which just shows the picture and title of the recipe.</span> <span class="comment">// 2. Details mode, which also shows the ingredients and method.</span> <span class="type"><a href="qml-component.html">Component</a></span> { <span class="name">id</span>: <span class="name">recipeDelegate</span> <span class="type"><a href="qml-item.html">Item</a></span> { <span class="name">id</span>: <span class="name">recipe</span> <span class="comment">// Create a property to contain the visibility of the details.</span> <span class="comment">// We can bind multiple element's opacity to this one property,</span> <span class="comment">// rather than having a "PropertyChanges" line for each element we</span> <span class="comment">// want to fade.</span> property <span class="type">real</span> <span class="name">detailsOpacity</span> : <span class="number">0</span> <span class="name">width</span>: <span class="name">listView</span>.<span class="name">width</span> <span class="name">height</span>: <span class="number">70</span> <span class="comment">// A simple rounded rectangle for the background</span> <span class="type"><a href="qml-rectangle.html">Rectangle</a></span> { <span class="name">id</span>: <span class="name">background</span> <span class="name">x</span>: <span class="number">2</span>; <span class="name">y</span>: <span class="number">2</span>; <span class="name">width</span>: <span class="name">parent</span>.<span class="name">width</span> <span class="operator">-</span> <span class="name">x</span><span class="operator">*</span><span class="number">2</span>; <span class="name">height</span>: <span class="name">parent</span>.<span class="name">height</span> <span class="operator">-</span> <span class="name">y</span><span class="operator">*</span><span class="number">2</span> <span class="name">color</span>: <span class="string">"ivory"</span> <span class="name">border</span>.color: <span class="string">"orange"</span> <span class="name">radius</span>: <span class="number">5</span> } <span class="comment">// This mouse region covers the entire delegate.</span> <span class="comment">// When clicked it changes mode to 'Details'. If we are already</span> <span class="comment">// in Details mode, then no change will happen.</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">recipe</span>.<span class="name">state</span> <span class="operator">=</span> <span class="string">'Details'</span>; } <span class="comment">// Lay out the page: picture, title and ingredients at the top, and method at the</span> <span class="comment">// bottom. Note that elements that should not be visible in the list</span> <span class="comment">// mode have their opacity set to recipe.detailsOpacity.</span> <span class="type"><a href="qml-row.html">Row</a></span> { <span class="name">id</span>: <span class="name">topLayout</span> <span class="name">x</span>: <span class="number">10</span>; <span class="name">y</span>: <span class="number">10</span>; <span class="name">height</span>: <span class="name">recipeImage</span>.<span class="name">height</span>; <span class="name">width</span>: <span class="name">parent</span>.<span class="name">width</span> <span class="name">spacing</span>: <span class="number">10</span> <span class="type"><a href="qml-image.html">Image</a></span> { <span class="name">id</span>: <span class="name">recipeImage</span> <span class="name">width</span>: <span class="number">50</span>; <span class="name">height</span>: <span class="number">50</span> <span class="name">source</span>: <span class="name">picture</span> } <span class="type"><a href="qml-column.html">Column</a></span> { <span class="name">width</span>: <span class="name">background</span>.<span class="name">width</span> <span class="operator">-</span> <span class="name">recipeImage</span>.<span class="name">width</span> <span class="operator">-</span> <span class="number">20</span>; <span class="name">height</span>: <span class="name">recipeImage</span>.<span class="name">height</span> <span class="name">spacing</span>: <span class="number">5</span> <span class="type"><a href="qml-text.html">Text</a></span> { <span class="name">text</span>: <span class="name">title</span> <span class="name">font</span>.bold: <span class="number">true</span>; <span class="name">font</span>.pointSize: <span class="number">16</span> } <span class="type"><a href="qml-text.html">Text</a></span> { <span class="name">text</span>: <span class="string">"Ingredients"</span> <span class="name">font</span>.pointSize: <span class="number">12</span>; <span class="name">font</span>.bold: <span class="number">true</span> <span class="name">opacity</span>: <span class="name">recipe</span>.<span class="name">detailsOpacity</span> } <span class="type"><a href="qml-text.html">Text</a></span> { <span class="name">text</span>: <span class="name">ingredients</span> <span class="name">wrapMode</span>: <span class="name">Text</span>.<span class="name">WordWrap</span> <span class="name">width</span>: <span class="name">parent</span>.<span class="name">width</span> <span class="name">opacity</span>: <span class="name">recipe</span>.<span class="name">detailsOpacity</span> } } } <span class="type"><a href="qml-item.html">Item</a></span> { <span class="name">id</span>: <span class="name">details</span> <span class="name">x</span>: <span class="number">10</span>; <span class="name">width</span>: <span class="name">parent</span>.<span class="name">width</span> <span class="operator">-</span> <span class="number">20</span> <span class="type">anchors</span> { <span class="name">top</span>: <span class="name">topLayout</span>.<span class="name">bottom</span>; <span class="name">topMargin</span>: <span class="number">10</span>; <span class="name">bottom</span>: <span class="name">parent</span>.<span class="name">bottom</span>; <span class="name">bottomMargin</span>: <span class="number">10</span> } <span class="name">opacity</span>: <span class="name">recipe</span>.<span class="name">detailsOpacity</span> <span class="type"><a href="qml-text.html">Text</a></span> { <span class="name">id</span>: <span class="name">methodTitle</span> <span class="name">anchors</span>.top: <span class="name">parent</span>.<span class="name">top</span> <span class="name">text</span>: <span class="string">"Method"</span> <span class="name">font</span>.pointSize: <span class="number">12</span>; <span class="name">font</span>.bold: <span class="number">true</span> } <span class="type"><a href="qml-flickable.html">Flickable</a></span> { <span class="name">id</span>: <span class="name">flick</span> <span class="name">width</span>: <span class="name">parent</span>.<span class="name">width</span> <span class="type">anchors</span> { <span class="name">top</span>: <span class="name">methodTitle</span>.<span class="name">bottom</span>; <span class="name">bottom</span>: <span class="name">parent</span>.<span class="name">bottom</span> } <span class="name">contentHeight</span>: <span class="name">methodText</span>.<span class="name">height</span> <span class="name">clip</span>: <span class="number">true</span> <span class="type"><a href="qml-text.html">Text</a></span> { <span class="name">id</span>: <span class="name">methodText</span>; <span class="name">text</span>: <span class="name">method</span>; <span class="name">wrapMode</span>: <span class="name">Text</span>.<span class="name">WordWrap</span>; <span class="name">width</span>: <span class="name">details</span>.<span class="name">width</span> } } <span class="type"><a href="qml-image.html">Image</a></span> { <span class="type">anchors</span> { <span class="name">right</span>: <span class="name">flick</span>.<span class="name">right</span>; <span class="name">top</span>: <span class="name">flick</span>.<span class="name">top</span> } <span class="name">source</span>: <span class="string">"content/pics/moreUp.png"</span> <span class="name">opacity</span>: <span class="name">flick</span>.<span class="name">atYBeginning</span> ? <span class="number">0</span> : <span class="number">1</span> } <span class="type"><a href="qml-image.html">Image</a></span> { <span class="type">anchors</span> { <span class="name">right</span>: <span class="name">flick</span>.<span class="name">right</span>; <span class="name">bottom</span>: <span class="name">flick</span>.<span class="name">bottom</span> } <span class="name">source</span>: <span class="string">"content/pics/moreDown.png"</span> <span class="name">opacity</span>: <span class="name">flick</span>.<span class="name">atYEnd</span> ? <span class="number">0</span> : <span class="number">1</span> } } <span class="comment">// A button to close the detailed view, i.e. set the state back to default ('').</span> <span class="type">TextButton</span> { <span class="name">y</span>: <span class="number">10</span> <span class="type">anchors</span> { <span class="name">right</span>: <span class="name">background</span>.<span class="name">right</span>; <span class="name">rightMargin</span>: <span class="number">10</span> } <span class="name">opacity</span>: <span class="name">recipe</span>.<span class="name">detailsOpacity</span> <span class="name">text</span>: <span class="string">"Close"</span> <span class="name">onClicked</span>: <span class="name">recipe</span>.<span class="name">state</span> <span class="operator">=</span> <span class="string">''</span>; } <span class="name">states</span>: <span class="name">State</span> { <span class="name">name</span>: <span class="string">"Details"</span> <span class="type"><a href="qml-propertychanges.html">PropertyChanges</a></span> { <span class="name">target</span>: <span class="name">background</span>; <span class="name">color</span>: <span class="string">"white"</span> } <span class="type"><a href="qml-propertychanges.html">PropertyChanges</a></span> { <span class="name">target</span>: <span class="name">recipeImage</span>; <span class="name">width</span>: <span class="number">130</span>; <span class="name">height</span>: <span class="number">130</span> } <span class="comment">// Make picture bigger</span> <span class="type"><a href="qml-propertychanges.html">PropertyChanges</a></span> { <span class="name">target</span>: <span class="name">recipe</span>; <span class="name">detailsOpacity</span>: <span class="number">1</span>; <span class="name">x</span>: <span class="number">0</span> } <span class="comment">// Make details visible</span> <span class="type"><a href="qml-propertychanges.html">PropertyChanges</a></span> { <span class="name">target</span>: <span class="name">recipe</span>; <span class="name">height</span>: <span class="name">listView</span>.<span class="name">height</span> } <span class="comment">// Fill the entire list area with the detailed view</span> <span class="comment">// Move the list so that this item is at the top.</span> <span class="type"><a href="qml-propertychanges.html">PropertyChanges</a></span> { <span class="name">target</span>: <span class="name">recipe</span>.<span class="name">ListView</span>.<span class="name">view</span>; <span class="name">explicit</span>: <span class="number">true</span>; <span class="name">contentY</span>: <span class="name">recipe</span>.<span class="name">y</span> } <span class="comment">// Disallow flicking while we're in detailed view</span> <span class="type"><a href="qml-propertychanges.html">PropertyChanges</a></span> { <span class="name">target</span>: <span class="name">recipe</span>.<span class="name">ListView</span>.<span class="name">view</span>; <span class="name">interactive</span>: <span class="number">false</span> } } <span class="name">transitions</span>: <span class="name">Transition</span> { <span class="comment">// Make the state changes smooth</span> <span class="type"><a href="qml-parallelanimation.html">ParallelAnimation</a></span> { <span class="type"><a href="qml-coloranimation.html">ColorAnimation</a></span> { <span class="name">property</span>: <span class="string">"color"</span>; <span class="name">duration</span>: <span class="number">500</span> } <span class="type"><a href="qml-numberanimation.html">NumberAnimation</a></span> { <span class="name">duration</span>: <span class="number">300</span>; <span class="name">properties</span>: <span class="string">"detailsOpacity,x,contentY,height,width"</span> } } } } } <span class="comment">// The actual list</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">model</span>: <span class="name">RecipesModel</span> {} <span class="name">delegate</span>: <span class="name">recipeDelegate</span> } }</pre> </div> <!-- @@@declarative/modelviews/listview/highlightranges/qml/highlightranges/expandingdelegates.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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