1 files changed, 51 insertions, 0 deletions
diff --git a/plugins/org.eclipse.emf.compare.ide.ui/src/org/eclipse/emf/compare/ide/ui/internal/structuremergeviewer/handler/DropDownRightToLeft.java b/plugins/org.eclipse.emf.compare.ide.ui/src/org/eclipse/emf/compare/ide/ui/internal/structuremergeviewer/handler/DropDownRightToLeft.java
new file mode 100644
index 000000000..3daff914f
--- /dev/null
+++ b/plugins/org.eclipse.emf.compare.ide.ui/src/org/eclipse/emf/compare/ide/ui/internal/structuremergeviewer/handler/DropDownRightToLeft.java
@@ -0,0 +1,51 @@
+/*******************************************************************************
+ * Copyright (c) 2012, 2013 Obeo.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ * 
+ * Contributors:
+ *     Obeo - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.emf.compare.ide.ui.internal.structuremergeviewer.handler;
+
+import org.eclipse.compare.CompareConfiguration;
+import org.eclipse.compare.CompareEditorInput;
+import org.eclipse.core.commands.AbstractHandler;
+import org.eclipse.core.commands.ExecutionEvent;
+import org.eclipse.core.commands.ExecutionException;
+import org.eclipse.emf.compare.rcp.ui.internal.EMFCompareConstants;
+import org.eclipse.ui.ISources;
+import org.eclipse.ui.PlatformUI;
+import org.eclipse.ui.commands.ICommandService;
+import org.eclipse.ui.handlers.HandlerUtil;
+
+/**
+ * Handler that manages the click on the menu item right to left in the dropdown menu of the toolbar of the
+ * structure merge viewer.
+ * 
+ * @author <a href="mailto:axel.richard@obeo.fr">Axel Richard</a>
+ */
+public class DropDownRightToLeft extends AbstractHandler {
+
+	/** The compare configuration object. */
+	private CompareConfiguration configuration;
+
+	/**
+	 * {@inheritDoc}
+	 * 
+	 * @see org.eclipse.core.commands.IHandler#execute(org.eclipse.core.commands.ExecutionEvent)
+	 */
+	public Object execute(ExecutionEvent event) throws ExecutionException {
+		Object editorInput = HandlerUtil.getVariable(event, ISources.ACTIVE_EDITOR_INPUT_NAME);
+		if (editorInput instanceof CompareEditorInput) {
+			configuration = ((CompareEditorInput)editorInput).getCompareConfiguration();
+			configuration.setProperty(EMFCompareConstants.MERGE_WAY, new Boolean(false));
+		}
+		ICommandService commandService = (ICommandService)PlatformUI.getWorkbench().getService(
+				ICommandService.class);
+		commandService.refreshElements("org.eclipse.emf.compare.ide.ui.dropdown", null); //$NON-NLS-1$
+		return null;
+	}
+}