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<title>Compare Extension Points: structureMergeViewers</title>
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<h1>
StructureMergeViewers</h1></center>
<b><i>Identifier: </i></b>org.eclipse.compare.structureMergeViewers
<p><b><i>Description: </i></b>This extension point allows to plug in a
compare/merge viewer for structured content. The viewer must extend <tt>org.eclipse.jface.viewers.Viewer</tt>.
However since viewers don't have a default constructor the extension point
must implement a factory object for viewers: the interface <tt>org.eclipse.compare.IViewerCreator</tt>.
<p><b><i>Configuration Markup:</i></b>
<p><tt> <!ELEMENT viewer EMPTY></tt>
<br><tt> <!ATTLIST viewer</tt>
<br><tt> id
CDATA #REQUIRED</tt>
<br><tt> class
CDATA #REQUIRED</tt>
<br><tt> extensions CDATA #REQUIRED</tt>
<br><tt> ></tt>
<ul>
<li>
<b>id</b> - a unique identifier that can be used to reference the viewer</li>
<li>
<b>class</b> - name of a class that implements a factory for the strcuture
merge viewer and implements <tt>org.eclipse.compare.IViewerCreator</tt></li>
<li>
<b>extensions </b>- a comma separated list of file extensions e.g . "zip,
jar"</li>
</ul>
<b><i>Examples:</i></b>
<br>The following is an example of compare/merge viewer for zip files (extension
"zip"):
<p><extension point = "org.eclipse.compare.structureMergeViewers">
<br> <viewer
<br> id="org.eclipse.compare.ZipCompareViewer"
<br> class="org.eclipse.compare.ZipCompareViewerCreator"
<br> extensions="zip"
<br> />
<br></extension>
<p><b><i>Supplied Implementation:</i></b>
<br>The Compare UI plugin defines a structure compare viewer for zip archives.
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