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Breadcrumbs go here --> <li><a href="qdeclarativeelements.html">QML Elements</a></li> <li>QML StateGroup Element</li> </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"> <div class="toc"> <h3><a name="toc">Contents</a></h3> <ul> <li class="level1"><a href="#properties">Properties</a></li> <li class="level1"><a href="#details">Detailed Description</a></li> </ul> </div> <h1 class="title">QML StateGroup Element</h1> <span class="subtitle"></span> <!-- $$$StateGroup-brief --> <p>The StateGroup element provides state support for non-Item elements. <a href="#details">More...</a></p> <!-- @@@StateGroup --> <p>This element was introduced in Qt 4.7.</p> <ul> <li><a href="qml-stategroup-members.html">List of all members, including inherited members</a></li> </ul> <a name="properties"></a> <h2>Properties</h2> <ul> <li class="fn"><b><b><a href="qml-stategroup.html#state-prop">state</a></b></b> : string</li> <li class="fn"><b><b><a href="qml-stategroup.html#states-prop">states</a></b></b> : list<State></li> <li class="fn"><b><b><a href="qml-stategroup.html#transitions-prop">transitions</a></b></b> : list<Transition></li> </ul> <!-- $$$StateGroup-description --> <a name="details"></a> <h2>Detailed Description</h2> <p>Item (and all derived elements) provides built in support for states and transitions via its <a href="qml-item.html#state-prop">state</a>, <a href="qml-item.html#states-prop">states</a> and <a href="qml-item.html#transitions-prop">transitions</a> properties. StateGroup provides an easy way to use this support in other (non-Item-derived) elements.</p> <pre class="qml"> <span class="type">MyCustomObject</span> { <span class="type">StateGroup</span> { <span class="name">id</span>: <span class="name">myStateGroup</span> <span class="name">states</span>: <span class="name">State</span> { <span class="name">name</span>: <span class="string">"state1"</span> <span class="comment">// ...</span> } <span class="name">transitions</span>: <span class="name">Transition</span> { <span class="comment">// ...</span> } } <span class="name">onSomethingHappened</span>: <span class="name">myStateGroup</span>.<span class="name">state</span> <span class="operator">=</span> <span class="string">"state1"</span>; }</pre> <p><b>See also </b><a href="qdeclarativestates.html#qmlstates">States</a>, <a href="qdeclarativeanimation.html">Transitions</a>, and <a href="qtdeclarative.html">QtDeclarative</a>.</p> <!-- @@@StateGroup --> <h2>Property Documentation</h2> <!-- $$$state --> <div class="qmlitem"><div class="qmlproto"><table class="qmlname"><tr valign="top" class="odd"><td class="tblQmlPropNode"><p><a name="state-prop"></a><span class="name">state</span> : <span class="type"><a href="qml-string.html">string</a></span></p></td></tr></table></div><div class="qmldoc"><p>This property holds the name of the current state of the state group.</p> <p>This property is often used in scripts to change between states. For example:</p> <pre class="js"> <span class="keyword">function</span> <span class="name">toggle</span>() { <span class="keyword">if</span> (<span class="name">button</span>.<span class="name">state</span> <span class="operator">==</span> <span class="string">'On'</span>) <span class="name">button</span>.<span class="name">state</span> <span class="operator">=</span> <span class="string">'Off'</span>; else <span class="name">button</span>.<span class="name">state</span> <span class="operator">=</span> <span class="string">'On'</span>; }</pre> <p>If the state group is in its base state (i.e. no explicit state has been set), <tt>state</tt> will be a blank string. Likewise, you can return a state group to its base state by setting its current state to <tt>''</tt>.</p> <p><b>See also </b><a href="qdeclarativestates.html#qmlstates">States</a>.</p> </div></div><!-- @@@state --> <br/> <!-- $$$states --> <div class="qmlitem"><div class="qmlproto"><table class="qmlname"><tr valign="top" class="odd"><td class="tblQmlPropNode"><p><a name="states-prop"></a><span class="qmlreadonly">read-only</span><span class="name">states</span> : <span class="type"><a href="qml-list.html">list</a></span><<span class="type"><a href="qml-state.html">State</a></span>></p></td></tr></table></div><div class="qmldoc"><p>This property holds a list of states defined by the state group.</p> <pre class="qml"> <span class="type"><a href="qml-stategroup.html">StateGroup</a></span> { <span class="name">states</span>: [ <span class="type"><a href="qml-state.html">State</a></span> { <span class="comment">// State definition...</span> }, <span class="type"><a href="qml-state.html">State</a></span> { <span class="comment">// ...</span> } <span class="comment">// Other states...</span> ] }</pre> <p><b>See also </b><a href="qdeclarativestates.html#qmlstates">States</a>.</p> </div></div><!-- @@@states --> <br/> <!-- $$$transitions --> <div class="qmlitem"><div class="qmlproto"><table class="qmlname"><tr valign="top" class="odd"><td class="tblQmlPropNode"><p><a name="transitions-prop"></a><span class="qmlreadonly">read-only</span><span class="name">transitions</span> : <span class="type"><a href="qml-list.html">list</a></span><<span class="type"><a href="qml-transition.html">Transition</a></span>></p></td></tr></table></div><div class="qmldoc"><p>This property holds a list of transitions defined by the state group.</p> <pre class="qml"> <span class="type"><a href="qml-stategroup.html">StateGroup</a></span> { <span class="name">transitions</span>: [ <span class="type"><a href="qml-transition.html">Transition</a></span> { <span class="comment">// ...</span> }, <span class="type"><a href="qml-transition.html">Transition</a></span> { <span class="comment">// ...</span> } <span class="comment">// ...</span> ] }</pre> <p><b>See also </b><a href="qdeclarativeanimation.html">Transitions</a>.</p> </div></div><!-- @@@transitions --> <br/> </div> </div> </div> <div class="ft"> <span></span> </div> </div> <div class="footer"> <p> <acronym title="Copyright">©</acronym> 2013 Digia Plc and/or its subsidiaries. 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