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/*****************************************************************************
* 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 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* 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;
}
}
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