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<div class="subTitle">org.eclipse.nebula.effects.stw</div>
<h2 title="Interface Transitionable" class="title">Interface Transitionable</h2>
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<dt>All Known Subinterfaces:</dt>
<dd><a href="../../../../../org/eclipse/nebula/effects/stw/ImageTransitionable.html" title="interface in org.eclipse.nebula.effects.stw">ImageTransitionable</a></dd>
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<pre>public interface <span class="typeNameLabel">Transitionable</span></pre>
<div class="block">Object implementing this interface enables the <a href="../../../../../org/eclipse/nebula/effects/stw/TransitionManager.html" title="class in org.eclipse.nebula.effects.stw"><code>TransitionManager</code></a>
to carry out transition effects either on it or on the object it's delegate for.<br/><br/>
A "transitionable" widget is a widget that can provide a set of methods to a <a href="../../../../../org/eclipse/nebula/effects/stw/TransitionManager.html" title="class in org.eclipse.nebula.effects.stw"><code>TransitionManager</code></a>
either through direct implementation of this interface or through
delegation by providing a delegate object implementing this interface.<br/><br/>
A "transitionable" widget is supposed to have a list of <code>Control</code> objects of at
least one <code>Control</code> object. Each <code>Control</code> object has an index that's used
to get and set the current viewed <code>Control</code> object using the <a href="../../../../../org/eclipse/nebula/effects/stw/Transitionable.html#getSelection--"><code>getSelection()</code></a>
and <a href="../../../../../org/eclipse/nebula/effects/stw/Transitionable.html#setSelection-int-"><code>setSelection(int)</code></a> method. The index is also used to get the
corresponding <code>Control</code> object using <a href="../../../../../org/eclipse/nebula/effects/stw/Transitionable.html#getControl-int-"><code>getControl(int)</code></a> method.</div>
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<h3>Method Summary</h3>
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<caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd">&nbsp;</span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t3" class="tableTab"><span><a href="javascript:show(4);">Abstract Methods</a></span><span class="tabEnd">&nbsp;</span></span></caption>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/eclipse/nebula/effects/stw/Transitionable.html#addSelectionListener-org.eclipse.swt.events.SelectionListener-">addSelectionListener</a></span>(org.eclipse.swt.events.SelectionListener&nbsp;listener)</code>
<div class="block">This method is called once by the <a href="../../../../../org/eclipse/nebula/effects/stw/TransitionManager.html" title="class in org.eclipse.nebula.effects.stw"><code>TransitionManager</code></a>'s constructor
to add a <code>SelectionListener</code> to the "transitionable" widget to start
the transition effect whenever the widget is selected.</div>
</td>
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<tr id="i1" class="rowColor">
<td class="colFirst"><code>org.eclipse.swt.widgets.Composite</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/eclipse/nebula/effects/stw/Transitionable.html#getComposite--">getComposite</a></span>()</code>
<div class="block">returns the <code>Composite</code> at which the transition should
be shown.</div>
</td>
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<tr id="i2" class="altColor">
<td class="colFirst"><code>org.eclipse.swt.widgets.Control</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/eclipse/nebula/effects/stw/Transitionable.html#getControl-int-">getControl</a></span>(int&nbsp;index)</code>
<div class="block">returns the <code>Control</code> object at index <i>index</i></div>
</td>
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<td class="colFirst"><code>double</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/eclipse/nebula/effects/stw/Transitionable.html#getDirection-int-int-">getDirection</a></span>(int&nbsp;toIndex,
int&nbsp;fromIndex)</code>
<div class="block">should compare toIndex with fromIndex and return
the required direction of the transition.</div>
</td>
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<tr id="i4" class="altColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/eclipse/nebula/effects/stw/Transitionable.html#getSelection--">getSelection</a></span>()</code>
<div class="block">returns the index of the current selected <code>Control</code> object</div>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/eclipse/nebula/effects/stw/Transitionable.html#setSelection-int-">setSelection</a></span>(int&nbsp;index)</code>
<div class="block">sets the current selected <code>Control</code> object</div>
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<h4>addSelectionListener</h4>
<pre>void&nbsp;addSelectionListener(org.eclipse.swt.events.SelectionListener&nbsp;listener)</pre>
<div class="block">This method is called once by the <a href="../../../../../org/eclipse/nebula/effects/stw/TransitionManager.html" title="class in org.eclipse.nebula.effects.stw"><code>TransitionManager</code></a>'s constructor
to add a <code>SelectionListener</code> to the "transitionable" widget to start
the transition effect whenever the widget is selected.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>listener</code> - the <code>SelectionListener</code> instance provided by the <a href="../../../../../org/eclipse/nebula/effects/stw/TransitionManager.html" title="class in org.eclipse.nebula.effects.stw"><code>TransitionManager</code></a></dd>
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<h4>getControl</h4>
<pre>org.eclipse.swt.widgets.Control&nbsp;getControl(int&nbsp;index)</pre>
<div class="block">returns the <code>Control</code> object at index <i>index</i></div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>index</code> - the index of the <code>Control</code> object to return</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the <code>Control</code> object at the specified index</dd>
</dl>
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<h4>getComposite</h4>
<pre>org.eclipse.swt.widgets.Composite&nbsp;getComposite()</pre>
<div class="block">returns the <code>Composite</code> at which the transition should
be shown. It could be considered the composite that
contains all <code>Control</code> objects.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the composite at which the transition should be shown</dd>
</dl>
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<h4>getSelection</h4>
<pre>int&nbsp;getSelection()</pre>
<div class="block">returns the index of the current selected <code>Control</code> object</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the index of the current selected <code>Control</code> object</dd>
</dl>
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<h4>setSelection</h4>
<pre>void&nbsp;setSelection(int&nbsp;index)</pre>
<div class="block">sets the current selected <code>Control</code> object</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>index</code> - the index of the <code>Control</code> object to be set as the current selection</dd>
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<h4>getDirection</h4>
<pre>double&nbsp;getDirection(int&nbsp;toIndex,
int&nbsp;fromIndex)</pre>
<div class="block">should compare toIndex with fromIndex and return
the required direction of the transition.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>toIndex</code> - index of the <code>Control</code> object to make transition to</dd>
<dd><code>fromIndex</code> - index of the <code>Control</code> object to make transition from</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the required direction</dd>
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