Bug 539446 - Show path in CTRL+E

Now Ctrl+E shows the path for filtered editor resources

Change-Id: I6a7119d5e0cb55236c485ef48d6b1fdeb62e824c
Signed-off-by: Patrik Suzzi <psuzzi@itemis.com>
diff --git a/bundles/org.eclipse.ui.workbench/Eclipse UI/org/eclipse/ui/internal/WorkbookEditorsHandler.java b/bundles/org.eclipse.ui.workbench/Eclipse UI/org/eclipse/ui/internal/WorkbookEditorsHandler.java
index a420747..99abf11 100644
--- a/bundles/org.eclipse.ui.workbench/Eclipse UI/org/eclipse/ui/internal/WorkbookEditorsHandler.java
+++ b/bundles/org.eclipse.ui.workbench/Eclipse UI/org/eclipse/ui/internal/WorkbookEditorsHandler.java
@@ -20,6 +20,8 @@
 import java.util.List;
 import org.eclipse.core.commands.Command;
 import org.eclipse.core.commands.ParameterizedCommand;
+import org.eclipse.core.runtime.Adapters;
+import org.eclipse.core.runtime.Platform;
 import org.eclipse.core.runtime.preferences.IEclipsePreferences;
 import org.eclipse.core.runtime.preferences.InstanceScope;
 import org.eclipse.e4.ui.model.application.ui.basic.MPart;
@@ -35,7 +37,10 @@
 import org.eclipse.swt.custom.CTabItem;
 import org.eclipse.swt.custom.StyleRange;
 import org.eclipse.swt.graphics.Font;
+import org.eclipse.ui.IEditorInput;
 import org.eclipse.ui.IEditorReference;
+import org.eclipse.ui.IPathEditorInput;
+import org.eclipse.ui.PartInitException;
 import org.eclipse.ui.PlatformUI;
 import org.eclipse.ui.commands.ICommandService;
 import org.eclipse.ui.themes.ITheme;
@@ -164,6 +169,29 @@
 		ColumnViewerToolTipSupport.enableFor(tableViewerColumn.getViewer());
 	}
 
+	/** Extends generated label adding the resource path for duplicates */
+	@Override
+	protected String getWorkbenchPartReferenceText(WorkbenchPartReference ref) {
+		StringBuilder str = new StringBuilder(super.getWorkbenchPartReferenceText(ref));
+		if (ref instanceof EditorReference) {
+			str.append(" - "); //$NON-NLS-1$
+			str.append(getEditorInputPath((EditorReference) ref));
+		}
+		return str.toString();
+	}
+
+	/** Return the editor input path relative to the workspace root */
+	private String getEditorInputPath(EditorReference editorReference) {
+		try {
+			IEditorInput input = editorReference.getEditorInput();
+			return Adapters.adapt(input, IPathEditorInput.class).getPath().makeRelativeTo(Platform.getLocation())
+					.toOSString();
+		} catch (PartInitException e) {
+			WorkbenchPlugin.log(getClass(), "getWorkbenchPartReferenceText", e); //$NON-NLS-1$
+			return ""; //$NON-NLS-1$
+		}
+	}
+
 	/** True if the given model represents the active editor */
 	protected boolean isActiveEditor(MPart model) {
 		if (model == null || model.getTags() == null) {