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<h1 id="BiTreeViewSelectionModel">BiTreeViewSelectionModel</h1>
<p>Selection model for <code><a href="BiTreeView.html">BiTreeView.</a></code>

 The selection model can operate in 2 modes: cell or row.
 The selected cells/rows are identified by the row index/column index in the
 data model.

 The items in the selectedItems hash are of type <code><a href="BiTreeViewSelectionModelItem.html">BiTreeViewSelectionModelItem</a></code>
	</p>
<p>This class extends
		<code><a href="BiSelectionModel.html">BiSelectionModel</a></code>
		and therefore all methods and fields available for
		<code><a href="BiSelectionModel.html">BiSelectionModel</a></code>
		are also available for <code>BiTreeViewSelectionModel</code>.</p>
<ul class="partial-class-tree">
<li><code><a href="BiObject.html">BiObject</a></code><ul>
<li><code><a href="BiEventTarget.html">BiEventTarget</a></code><ul><li><code><a href="BiSelectionModel.html">BiSelectionModel</a></code><ul><li><code>BiTreeViewSelectionModel</code><ul id="api-derived-classes"></ul></li></ul></li></ul></li></ul>
</li>
</ul>
<h2>Constructor</h2>
<p><code>

	new BiTreeViewSelectionModel(<span class="methodArgument">oOwner</span>)</code></p>
<h3>Parameters</h3>
<table>
<thead>
<tr>
<td>Name</td>
<td>Type</td>
<td class="optional-header">Optional</td>
<td>Default</td>
<td>Descripton</td>
</tr>
</thead>
<tbody>
<tr>
<td><code>oOwner</code></td>
<td><code class="type">
				<code><a href="BiTreeView.html">BiTreeView</a></code>
			</code></td>
<td class="optional-column"></td>
<td></td>
<td>The tree view that the selection is working with</td>
</tr>
</tbody>
</table>
<h2>Properties</h2>
<table>
<thead>
<tr>
<td>Name</td>
<td>Type</td>
<td class="get-header">get</td>
<td class="set-header">set</td>
<td>Descripton</td>
</tr>
</thead>
<tbody>
<tr>
<td><a name="dataModel"></a><code>dataModel</code></td>
<td><code class="type">
				<code><a href="BiTreeViewDataModel.html">BiTreeViewDataModel</a></code>
			</code></td>
<td class="get-column"><img src="check.png" alt="checked"></td>
<td class="set-column"></td>
<td>The view manager used with the tree view</td>
</tr>
<tr>
<td><a name="selectionMode"></a><code>selectionMode</code></td>
<td><code class="type">String</code></td>
<td class="get-column"><img src="check.png" alt="checked"></td>
<td class="set-column"><img src="check.png" alt="checked"></td>
<td>Whether to use row selection or cell selection. Valid values are "row"
 and "cell"</td>
</tr>
<tr>
<td><a name="viewManager"></a><code>viewManager</code></td>
<td><code class="type">
				<code><a href="BiTreeViewViewManager.html">BiTreeViewViewManager</a></code>
			</code></td>
<td class="get-column"><img src="check.png" alt="checked"></td>
<td class="set-column"></td>
<td>The view manager used with the tree view</td>
</tr>
</tbody>
</table>
<h2>Methods</h2>
<table>
<thead>
<tr>
<td>Name</td>
<td>Description</td>
</tr>
</thead>
<tbody>
<tr>
<td><code><a href="#adjustSelection">adjustSelection</a></code></td>
<td>This method is called before items are inserted/removed into/from the data model so that
 the selected rows can be updated. If nCount is negative nRow to nRow - nCount -1 are removed.
 If nCount is positive nCount rows are added at nRow</td>
</tr>
<tr>
<td><code><a href="#containsSelectedNodes">containsSelectedNodes</a></code></td>
<td>Checks whether the item has any selected descendants</td>
</tr>
<tr>
<td><code><a href="#getCellIsLead">getCellIsLead</a></code></td>
<td>Returns whether the cell at (x, y) is the lead item</td>
</tr>
<tr>
<td><code><a href="#getCellSelected">getCellSelected</a></code></td>
<td>Returns whether the cell at (x, y) is selected</td>
</tr>
<tr>
<td><code><a href="#getRowIsLead">getRowIsLead</a></code></td>
<td>Returns whether the row at y is the lead item</td>
</tr>
<tr>
<td><code><a href="#getRowSelected">getRowSelected</a></code></td>
<td>Returns whether the row at y is selected</td>
</tr>
</tbody>
</table>
<h2>Events</h2>
<p>None.</p>
<h2>Static Methods</h2>
<p>None.</p>
<h2>Static Fields</h2>
<p>None.</p>
<h2>Remarks</h2>
<p>None.</p>
<h2>Method Details</h2>
<h3><a name="adjustSelection"></a>adjustSelection</h3>
<p>This method is called before items are inserted/removed into/from the data model so that
 the selected rows can be updated. If nCount is negative nRow to nRow - nCount -1 are removed.
 If nCount is positive nCount rows are added at nRow</p>
<h4>Syntax</h4>
<pre class="method-syntax">object.adjustSelection(<span class="methodArgument">nRow</span>, <span class="methodArgument">nCount</span>)</pre>
<h4>Parameters</h4>
<table>
<thead>
<tr>
<td>Name</td>
<td>Type</td>
<td class="optional-header">Optional</td>
<td>Default</td>
<td>Descripton</td>
</tr>
</thead>
<tbody>
<tr>
<td><code>nRow</code></td>
<td><code class="type">Number</code></td>
<td class="optional-column"></td>
<td></td>
<td>The index of the row where the change starts</td>
</tr>
<tr>
<td><code>nCount</code></td>
<td><code class="type">Number</code></td>
<td class="optional-column"></td>
<td></td>
<td>The number of rows added (use negative numbers when removing)</td>
</tr>
</tbody>
</table>
<h4>Return Type</h4>
<p><code class="type">void</code></p>
<h3><a name="containsSelectedNodes"></a>containsSelectedNodes</h3>
<p>Checks whether the item has any selected descendants</p>
<h4>Syntax</h4>
<pre class="method-syntax">object.containsSelectedNodes(<span class="methodArgument">oItem</span>)</pre>
<h4>Parameters</h4>
<table>
<thead>
<tr>
<td>Name</td>
<td>Type</td>
<td class="optional-header">Optional</td>
<td>Default</td>
<td>Descripton</td>
</tr>
</thead>
<tbody>
<tr>
<td><code>oItem</code></td>
<td><code class="type">
						<code><a href="BiTreeViewSelectionModelItem.html">BiTreeViewSelectionModelItem</a></code>
					</code></td>
<td class="optional-column"></td>
<td></td>
<td>The item of the check the descendants for</td>
</tr>
</tbody>
</table>
<h4>Return Type</h4>
<p><code class="type">Boolean</code></p>
<h3><a name="getCellIsLead"></a>getCellIsLead</h3>
<p>Returns whether the cell at (x, y) is the lead item</p>
<h4>Syntax</h4>
<pre class="method-syntax">object.getCellIsLead(<span class="methodArgument">x</span>, <span class="methodArgument">y</span>)</pre>
<h4>Parameters</h4>
<table>
<thead>
<tr>
<td>Name</td>
<td>Type</td>
<td class="optional-header">Optional</td>
<td>Default</td>
<td>Descripton</td>
</tr>
</thead>
<tbody>
<tr>
<td><code>x</code></td>
<td><code class="type">Number</code></td>
<td class="optional-column"></td>
<td></td>
<td>The column index of the cell to check</td>
</tr>
<tr>
<td><code>y</code></td>
<td><code class="type">Number</code></td>
<td class="optional-column"></td>
<td></td>
<td>The row index of the cell to check</td>
</tr>
</tbody>
</table>
<h4>Return Type</h4>
<p><code class="type">Boolean</code></p>
<h3><a name="getCellSelected"></a>getCellSelected</h3>
<p>Returns whether the cell at (x, y) is selected</p>
<h4>Syntax</h4>
<pre class="method-syntax">object.getCellSelected(<span class="methodArgument">x</span>, <span class="methodArgument">y</span>)</pre>
<h4>Parameters</h4>
<table>
<thead>
<tr>
<td>Name</td>
<td>Type</td>
<td class="optional-header">Optional</td>
<td>Default</td>
<td>Descripton</td>
</tr>
</thead>
<tbody>
<tr>
<td><code>x</code></td>
<td><code class="type">Number</code></td>
<td class="optional-column"></td>
<td></td>
<td>The column index of the cell to check</td>
</tr>
<tr>
<td><code>y</code></td>
<td><code class="type">Number</code></td>
<td class="optional-column"></td>
<td></td>
<td>The row index of the cell to check</td>
</tr>
</tbody>
</table>
<h4>Return Type</h4>
<p><code class="type">Boolean</code></p>
<h3><a name="getRowIsLead"></a>getRowIsLead</h3>
<p>Returns whether the row at y is the lead item</p>
<h4>Syntax</h4>
<pre class="method-syntax">object.getRowIsLead(<span class="methodArgument">y</span>)</pre>
<h4>Parameters</h4>
<table>
<thead>
<tr>
<td>Name</td>
<td>Type</td>
<td class="optional-header">Optional</td>
<td>Default</td>
<td>Descripton</td>
</tr>
</thead>
<tbody>
<tr>
<td><code>y</code></td>
<td><code class="type">Number</code></td>
<td class="optional-column"></td>
<td></td>
<td>The index of the row to check</td>
</tr>
</tbody>
</table>
<h4>Return Type</h4>
<p><code class="type">Boolean</code></p>
<h3><a name="getRowSelected"></a>getRowSelected</h3>
<p>Returns whether the row at y is selected</p>
<h4>Syntax</h4>
<pre class="method-syntax">object.getRowSelected(<span class="methodArgument">y</span>)</pre>
<h4>Parameters</h4>
<table>
<thead>
<tr>
<td>Name</td>
<td>Type</td>
<td class="optional-header">Optional</td>
<td>Default</td>
<td>Descripton</td>
</tr>
</thead>
<tbody>
<tr>
<td><code>y</code></td>
<td><code class="type">Number</code></td>
<td class="optional-column"></td>
<td></td>
<td>The index of the row to check</td>
</tr>
</tbody>
</table>
<h4>Return Type</h4>
<p><code class="type">Boolean</code></p>
</body>
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