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<div class="subTitle">javafx.scene.control</div>
<h2 title="Class FocusModel" class="title">Class FocusModel&lt;T&gt;</h2>
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<pre>public abstract class <span class="typeNameLabel">FocusModel&lt;T&gt;</span>
extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></pre>
<div class="block">The abstract base class for FocusModel implementations.</div>
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<dd>JavaFX 2.0</dd>
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<td class="colFirst"><code><a href="../../../javafx/beans/property/ReadOnlyIntegerProperty.html" title="class in javafx.beans.property">ReadOnlyIntegerProperty</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javafx/scene/control/FocusModel.html#focusedIndexProperty">focusedIndex</a></span></code>
<div class="block">The index of the current item in the FocusModel which has the focus.</div>
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<td class="colFirst"><code><a href="../../../javafx/beans/property/ReadOnlyObjectProperty.html" title="class in javafx.beans.property">ReadOnlyObjectProperty</a>&lt;<a href="../../../javafx/scene/control/FocusModel.html" title="type parameter in FocusModel">T</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javafx/scene/control/FocusModel.html#focusedItemProperty">focusedItem</a></span></code>
<div class="block">The current item in the FocusModel which has the focus.</div>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../javafx/scene/control/FocusModel.html#FocusModel--">FocusModel</a></span>()</code>
<div class="block">Creates a default FocusModel instance.</div>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javafx/scene/control/FocusModel.html#focus-int-">focus</a></span>(int&nbsp;index)</code>
<div class="block">Causes the item at the given index to receive the focus.</div>
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<tr id="i1" class="rowColor">
<td class="colFirst"><code><a href="../../../javafx/beans/property/ReadOnlyIntegerProperty.html" title="class in javafx.beans.property">ReadOnlyIntegerProperty</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javafx/scene/control/FocusModel.html#focusedIndexProperty--">focusedIndexProperty</a></span>()</code>
<div class="block">The index of the current item in the FocusModel which has the focus.</div>
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</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code><a href="../../../javafx/beans/property/ReadOnlyObjectProperty.html" title="class in javafx.beans.property">ReadOnlyObjectProperty</a>&lt;<a href="../../../javafx/scene/control/FocusModel.html" title="type parameter in FocusModel">T</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javafx/scene/control/FocusModel.html#focusedItemProperty--">focusedItemProperty</a></span>()</code>
<div class="block">The current item in the FocusModel which has the focus.</div>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javafx/scene/control/FocusModel.html#focusNext--">focusNext</a></span>()</code>
<div class="block">Attempts to give focus to the row after to the currently focused row.</div>
</td>
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<tr id="i4" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javafx/scene/control/FocusModel.html#focusPrevious--">focusPrevious</a></span>()</code>
<div class="block">Attempts to give focus to the row previous to the currently focused row.</div>
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<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javafx/scene/control/FocusModel.html#getFocusedIndex--">getFocusedIndex</a></span>()</code>
<div class="block">Gets the value of the property focusedIndex.</div>
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<td class="colFirst"><code><a href="../../../javafx/scene/control/FocusModel.html" title="type parameter in FocusModel">T</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javafx/scene/control/FocusModel.html#getFocusedItem--">getFocusedItem</a></span>()</code>
<div class="block">Gets the value of the property focusedItem.</div>
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<td class="colFirst"><code>protected abstract int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javafx/scene/control/FocusModel.html#getItemCount--">getItemCount</a></span>()</code>
<div class="block">Returns the number of items in the data model that underpins the control.</div>
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<td class="colFirst"><code>protected abstract <a href="../../../javafx/scene/control/FocusModel.html" title="type parameter in FocusModel">T</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javafx/scene/control/FocusModel.html#getModelItem-int-">getModelItem</a></span>(int&nbsp;index)</code>
<div class="block">Returns the item at the given index.</div>
</td>
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<tr id="i9" class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javafx/scene/control/FocusModel.html#isFocused-int-">isFocused</a></span>(int&nbsp;index)</code>
<div class="block">Convenience method to inform if the given index is currently focused
 in this SelectionModel.</div>
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<h3>Methods inherited from class&nbsp;java.lang.<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></h3>
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<h4>focusedIndex</h4>
<pre>public final&nbsp;<a href="../../../javafx/beans/property/ReadOnlyIntegerProperty.html" title="class in javafx.beans.property">ReadOnlyIntegerProperty</a> focusedIndexProperty</pre>
<div class="block">The index of the current item in the FocusModel which has the focus. It
 is possible that this will be -1, but only if the control is empty.
 If the control is not itself focused, this property will still
 reference the row index that would receive the keyboard focus if the control
 itself were focused.</div>
<dl>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../javafx/scene/control/FocusModel.html#getFocusedIndex--"><code>getFocusedIndex()</code></a></dd>
</dl>
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<a name="focusedItemProperty">
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<h4>focusedItem</h4>
<pre>public final&nbsp;<a href="../../../javafx/beans/property/ReadOnlyObjectProperty.html" title="class in javafx.beans.property">ReadOnlyObjectProperty</a>&lt;<a href="../../../javafx/scene/control/FocusModel.html" title="type parameter in FocusModel">T</a>&gt; focusedItemProperty</pre>
<div class="block">The current item in the FocusModel which has the focus. It
 is possible that this will be null, but only if the control is empty.
 If the control is not itself focused, this property will still
 reference the item that would receive the keyboard focus if the control
 itself were focused.</div>
<dl>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../javafx/scene/control/FocusModel.html#getFocusedItem--"><code>getFocusedItem()</code></a></dd>
</dl>
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<h4>FocusModel</h4>
<pre>public&nbsp;FocusModel()</pre>
<div class="block">Creates a default FocusModel instance.</div>
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<pre>public final&nbsp;<a href="../../../javafx/beans/property/ReadOnlyIntegerProperty.html" title="class in javafx.beans.property">ReadOnlyIntegerProperty</a>&nbsp;focusedIndexProperty()</pre>
<div class="block">The index of the current item in the FocusModel which has the focus. It
 is possible that this will be -1, but only if the control is empty.
 If the control is not itself focused, this property will still
 reference the row index that would receive the keyboard focus if the control
 itself were focused.</div>
<dl>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../javafx/scene/control/FocusModel.html#getFocusedIndex--"><code>getFocusedIndex()</code></a></dd>
</dl>
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<h4>getFocusedIndex</h4>
<pre>public final&nbsp;int&nbsp;getFocusedIndex()</pre>
<div class="block">Gets the value of the property focusedIndex.</div>
<dl>
<dt><span class="simpleTagLabel">Property description:</span></dt>
<dd>The index of the current item in the FocusModel which has the focus. It
 is possible that this will be -1, but only if the control is empty.
 If the control is not itself focused, this property will still
 reference the row index that would receive the keyboard focus if the control
 itself were focused.</dd>
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<h4>focusedItemProperty</h4>
<pre>public final&nbsp;<a href="../../../javafx/beans/property/ReadOnlyObjectProperty.html" title="class in javafx.beans.property">ReadOnlyObjectProperty</a>&lt;<a href="../../../javafx/scene/control/FocusModel.html" title="type parameter in FocusModel">T</a>&gt;&nbsp;focusedItemProperty()</pre>
<div class="block">The current item in the FocusModel which has the focus. It
 is possible that this will be null, but only if the control is empty.
 If the control is not itself focused, this property will still
 reference the item that would receive the keyboard focus if the control
 itself were focused.</div>
<dl>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../javafx/scene/control/FocusModel.html#getFocusedItem--"><code>getFocusedItem()</code></a></dd>
</dl>
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<h4>getFocusedItem</h4>
<pre>public final&nbsp;<a href="../../../javafx/scene/control/FocusModel.html" title="type parameter in FocusModel">T</a>&nbsp;getFocusedItem()</pre>
<div class="block">Gets the value of the property focusedItem.</div>
<dl>
<dt><span class="simpleTagLabel">Property description:</span></dt>
<dd>The current item in the FocusModel which has the focus. It
 is possible that this will be null, but only if the control is empty.
 If the control is not itself focused, this property will still
 reference the item that would receive the keyboard focus if the control
 itself were focused.</dd>
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<h4>getItemCount</h4>
<pre>protected abstract&nbsp;int&nbsp;getItemCount()</pre>
<div class="block">Returns the number of items in the data model that underpins the control.
 An example would be that a ListView focus model would likely return
 <code>listView.getItems().size()</code>. The valid range of focusable
 indices is between 0 and whatever is returned by this method.</div>
</li>
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<h4>getModelItem</h4>
<pre>protected abstract&nbsp;<a href="../../../javafx/scene/control/FocusModel.html" title="type parameter in FocusModel">T</a>&nbsp;getModelItem(int&nbsp;index)</pre>
<div class="block">Returns the item at the given index. An example using ListView would be
 <code>listView.getItems().get(index)</code>.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>index</code> - The index of the item that is requested from the underlying
      data model.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Returns null if the index is out of bounds, or an element of type
      T that is related to the given index.</dd>
</dl>
</li>
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<h4>isFocused</h4>
<pre>public&nbsp;boolean&nbsp;isFocused(int&nbsp;index)</pre>
<div class="block"><p>Convenience method to inform if the given index is currently focused
 in this SelectionModel. Is functionally equivalent to calling
 <pre><code>getFocusedIndex() == index</code></pre>.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>index</code> - The index to check as to whether it is currently focused
      or not.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>True if the given index is focused, false otherwise.</dd>
</dl>
</li>
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<h4>focus</h4>
<pre>public&nbsp;void&nbsp;focus(int&nbsp;index)</pre>
<div class="block">Causes the item at the given index to receive the focus. This does not
 cause the current selection to change. Updates the focusedItem and
 focusedIndex properties such that <code>focusedIndex = -1</code> unless
 <code>0 <= index < model size</code>.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>index</code> - The index of the item to get focus.</dd>
</dl>
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<h4>focusPrevious</h4>
<pre>public&nbsp;void&nbsp;focusPrevious()</pre>
<div class="block">Attempts to give focus to the row previous to the currently focused row.
 If the current focus owner is the first row, or is -1 (representing that
 there is no current focus owner), calling this method will have no result.</div>
</li>
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<h4>focusNext</h4>
<pre>public&nbsp;void&nbsp;focusNext()</pre>
<div class="block">Attempts to give focus to the row after to the currently focused row.
 If the current focus owner is the last row, calling this method will have
 no result.</div>
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