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Add N&N for auto-expand of single child elements in tree viewers #171

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merged 2 commits into from
May 27, 2024
Merged

Add N&N for auto-expand of single child elements in tree viewers #171

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1195eb5
Add N&N for auto-expand of single child elements in tree viewers
HeikoKlare May 23, 2024
7667c92
Remove blank N&N SWT ISV documentation
HeikoKlare May 27, 2024
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22 changes: 22 additions & 0 deletions news/4.32/platform_isv.html
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Expand Up @@ -24,7 +24,9 @@
<h2>Platform and Equinox API</h2>
<ul>
<li><a href="#Platform">Platform Changes</a></li>
<!--
<li><a href="#SWT">SWT Changes</a></li>
-->
</ul>

<!-- ****************** START OF N&N TABLE****************** -->
Expand All @@ -38,12 +40,32 @@ <h2>Platform and Equinox API</h2>
<tr>
<td id="Platform" class="section" colspan="2"><h2>Platform Changes</h2></td>
</tr>

<tr id="treeviewer_autoexpand_singlechild"> <!-- https://github.com/eclipse-platform/eclipse.platform.ui/issues/1063 -->
<td class="title">Auto-Expand for Single Child Elements in JFace Tree Viewers</td>
<td class="content">
<p>
The API method
<code>org.eclipse.jface.viewers.AbstractTreeViewer.setAutoExpandOnSingleChildLevels(int level)</code> was added to
JFace. If this method is called on a tree viewer with some positive value or the constant <code>ALL_LEVELS</code>,
expanding a tree item that only has a single child element will lead to a recursive expansion of child items. The
recursive expansion stops once an item has more than one child item or the number of expansions reaches the value
passed to the method.
<p>
<p>
To ensure backwards compatibility, this feature is disabled by default. Each instantiation of a concrete
implementation of <code>AbstractTreeViewer</code> is responsible for enabling this feature if needed.
</p>
</td>
</tr>
<!-- ******************** End of Platform ********************** -->

<!-- *********************** SWT *********************** -->
<!--
<tr>
<td id="SWT" class="section" colspan="2"><h2>SWT Changes</h2></td>
</tr>
-->
<!-- *********************** End of SWT *********************** -->
<tr><td colspan="2"/></tr>
</tbody>
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