1 files changed, 69 insertions, 0 deletions
diff --git a/plugins/editor/org.eclipse.papyrus.editor/src/org/eclipse/papyrus/editor/handlers/TraverseTabHandler.java b/plugins/editor/org.eclipse.papyrus.editor/src/org/eclipse/papyrus/editor/handlers/TraverseTabHandler.java
new file mode 100644
index 00000000000..dba5f87e2e9
--- /dev/null
+++ b/plugins/editor/org.eclipse.papyrus.editor/src/org/eclipse/papyrus/editor/handlers/TraverseTabHandler.java
@@ -0,0 +1,69 @@
+/*****************************************************************************
+ * Copyright (c) 2015 CEA LIST and others.
+ * 
+ * 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:
+ *   Shuai Li (CEA LIST) <shuai.li@cea.fr> - Initial API and implementation
+ *   
+ *****************************************************************************/
+
+package org.eclipse.papyrus.editor.handlers;
+
+import org.eclipse.core.commands.AbstractHandler;
+import org.eclipse.core.commands.ExecutionEvent;
+import org.eclipse.core.commands.ExecutionException;
+import org.eclipse.papyrus.editor.Activator;
+import org.eclipse.papyrus.editor.PapyrusMultiDiagramEditor;
+import org.eclipse.papyrus.infra.core.sasheditor.editor.IPage;
+import org.eclipse.ui.IWorkbenchPart;
+import org.eclipse.ui.IWorkbenchWindow;
+import org.eclipse.ui.PlatformUI;
+
+/**
+ * The handler for the next/previous tab commands that let the user navigate to
+ * the next/previous page of the active tab-folder with Ctrl+Shift/Ctrl+Shift+Tab
+ * 
+ * @author Shuai Li
+ */
+public abstract class TraverseTabHandler extends AbstractHandler {
+	private final boolean isPrevious;
+	
+	public TraverseTabHandler() {
+		isPrevious = false;
+	}
+	
+	public TraverseTabHandler(boolean isPrevious) {
+		this.isPrevious = isPrevious;
+	}
+	
+	@Override
+	public Object execute(ExecutionEvent event) throws ExecutionException {
+		IWorkbenchWindow activeWorkbenchWindow = PlatformUI.getWorkbench().getActiveWorkbenchWindow();
+		
+		if (activeWorkbenchWindow != null) {
+			IWorkbenchPart activePart = activeWorkbenchWindow.getActivePage().getActivePart();
+			
+			if (activePart instanceof PapyrusMultiDiagramEditor) {
+				PapyrusMultiDiagramEditor papyrusEditor = (PapyrusMultiDiagramEditor) activePart;
+				try {
+					IPage nextPage = null;
+					if (isPrevious) {
+						nextPage = papyrusEditor.getISashWindowsContainer().getPreviousPage();
+					} else {
+						nextPage = papyrusEditor.getISashWindowsContainer().getNextPage();
+					}
+					
+					papyrusEditor.getISashWindowsContainer().selectPage(nextPage);
+				} catch (Exception e) {
+					Activator.log.error(e);
+				}
+			}
+		}
+
+		return null;
+	}
+}