### Eclipse Workspace Patch 1.0
#P org.eclipse.compare
Index: compare/org/eclipse/compare/internal/CompareEditor.java
===================================================================
RCS file: /cvsroot/eclipse/org.eclipse.compare/compare/org/eclipse/compare/internal/CompareEditor.java,v
retrieving revision 1.29
diff -u -r1.29 CompareEditor.java
--- compare/org/eclipse/compare/internal/CompareEditor.java	14 Nov 2005 20:30:16 -0000	1.29
+++ compare/org/eclipse/compare/internal/CompareEditor.java	2 Feb 2006 18:49:01 -0000
@@ -17,6 +17,7 @@
 
 import org.eclipse.jface.dialogs.ErrorDialog;
 import org.eclipse.jface.dialogs.MessageDialog;
+import org.eclipse.jface.resource.ImageDescriptor;
 import org.eclipse.jface.util.*;
 import org.eclipse.jface.util.Assert;
 
@@ -35,7 +36,7 @@
  * A CompareEditor takes a ICompareEditorInput as input.
  * Most functionality is delegated to the ICompareEditorInput.
  */
-public class CompareEditor extends EditorPart implements IReusableEditor {
+public class CompareEditor extends EditorPart implements IReusableEditor, ISaveableModelSource, ISaveableModel {
 	
 	/**
 	 * Internal property change listener for handling changes in the editor's input.
@@ -257,6 +258,15 @@
 	 */
 	public boolean isDirty() {
 		IEditorInput input= getEditorInput();
+		if (input instanceof ISaveableModelSource) {
+			ISaveableModelSource sms = (ISaveableModelSource) input;
+			ISaveableModel[] models = sms.getModels();
+			for (int i = 0; i < models.length; i++) {
+				ISaveableModel model = models[i];
+				if (model.isDirty())
+					return true;
+			}
+		}
 		if (input instanceof CompareEditorInput)
 			return ((CompareEditorInput)input).isSaveNeeded();
 		return false;
@@ -268,5 +278,50 @@
 		if (old_value == null || new_value == null || !old_value.equals(new_value))
 			firePropertyChange(PROP_DIRTY);
 	}
+
+	/* (non-Javadoc)
+	 * @see org.eclipse.ui.ISaveableModelSource#getModels()
+	 */
+	public ISaveableModel[] getModels() {
+		IEditorInput input= getEditorInput();
+		if (input instanceof ISaveableModelSource) {
+			ISaveableModelSource source = (ISaveableModelSource) input;
+			return source.getModels();
+		}
+		return new ISaveableModel[] { this };
+	}
+
+	/* (non-Javadoc)
+	 * @see org.eclipse.ui.ISaveableModelSource#getActiveModels()
+	 */
+	public ISaveableModel[] getActiveModels() {
+		IEditorInput input= getEditorInput();
+		if (input instanceof ISaveableModelSource) {
+			ISaveableModelSource source = (ISaveableModelSource) input;
+			return source.getActiveModels();
+		}
+		return new ISaveableModel[] { this };
+	}
+
+	/* (non-Javadoc)
+	 * @see org.eclipse.ui.ISaveableModel#getName()
+	 */
+	public String getName() {
+		return getPartName();
+	}
+
+	/* (non-Javadoc)
+	 * @see org.eclipse.ui.ISaveableModel#getToolTipText()
+	 */
+	public String getToolTipText() {
+		return getTitleToolTip();
+	}
+
+	/* (non-Javadoc)
+	 * @see org.eclipse.ui.ISaveableModel#getImageDescriptor()
+	 */
+	public ImageDescriptor getImageDescriptor() {
+		return ImageDescriptor.createFromImage(getTitleImage());
+	}
 }
 
Index: compare/org/eclipse/compare/CompareEditorInput.java
===================================================================
RCS file: /cvsroot/eclipse/org.eclipse.compare/compare/org/eclipse/compare/CompareEditorInput.java,v
retrieving revision 1.56
diff -u -r1.56 CompareEditorInput.java
--- compare/org/eclipse/compare/CompareEditorInput.java	11 Jan 2006 10:47:53 -0000	1.56
+++ compare/org/eclipse/compare/CompareEditorInput.java	2 Feb 2006 18:49:01 -0000
@@ -23,8 +23,7 @@
 
 import org.eclipse.core.resources.IFile;
 import org.eclipse.core.runtime.*;
-import org.eclipse.ui.IPersistableElement;
-import org.eclipse.ui.IEditorInput;
+import org.eclipse.ui.*;
 
 import org.eclipse.jface.util.*;
 import org.eclipse.jface.util.Assert;
@@ -88,6 +87,12 @@
  * by passing a subclass of <code>CompareConfiguration</code> and by implementing the <code>prepareInput</code> method.
  * If a subclass cannot use the <code>DiffTreeViewer</code> which is installed by default in the
  * top left pane, method <code>createDiffViewer</code> can be overridden.
+ * <p>
+ * If subclasses of this class implement {@link ISaveableModelSource}, the compare editor will
+ * pass these models through to the workbench. The editor will still show the dirty indicator 
+ * if one of these underlying models is dirty. It is the reponsibility of subclasses that
+ * implement this interface to call {@link #setDirty(boolean)} when the dirty state of
+ * any of the models managed by the sublcass change dirty state.
  * 
  * @see CompareUI
  * @see CompareEditorInput