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/*****************************************************************************
* Copyright (c) 2011 CEA LIST.
*
* 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:
* Camille Letavernier (CEA LIST) camille.letavernier@cea.fr - Initial API and implementation
*****************************************************************************/
package org.eclipse.papyrus.customization.properties.editor.actions;
import org.eclipse.core.commands.State;
import org.eclipse.papyrus.customization.properties.editor.preview.Preview;
import org.eclipse.ui.IPartListener;
import org.eclipse.ui.IWindowListener;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.IWorkbenchPart;
import org.eclipse.ui.IWorkbenchWindow;
/**
* A State to determine if the Preview view is opened in the current perspective
* The State should listen on the workbench an update itself when the perspective
* changes, or when the preview is opened or closed
*
* @FIXME : the state is not correctly retrieved
* @author Camille Letavernier
*/
public class TogglePreviewState extends State implements IWindowListener, IPartListener {
private boolean isPreviewOpen;
public TogglePreviewState() {
// System.out.println("Building ToggleState");
//
// IWorkbench workbench = PlatformUI.getWorkbench();
//
// workbench.addWindowListener(this);
// for(IWorkbenchWindow window : workbench.getWorkbenchWindows()) {
// System.out.println("Listening on " + window);
// window.getPartService().addPartListener(this);
// }
// refreshState();
}
private void refreshState() {
// isPreviewOpen = false;
// System.out.println("Refresh state");
//
// IWorkbenchWindow window = PlatformUI.getWorkbench().getActiveWorkbenchWindow();
// if(window != null) {
// IWorkbenchPage page = window.getActivePage();
//
// if(page != null) {
// for(IViewReference reference : page.getViewReferences()) {
// if(reference.getId().equals(Activator.PREVIEW_ID)) {
// isPreviewOpen = true;
// break;
// }
// }
// }
// }
//
// System.out.println("IsOpen : " + isPreviewOpen);
//
// setValue(isPreviewOpen);
}
@Override
public Object getValue() {
return isPreviewOpen;
}
// IWindowListener
@Override
public void windowOpened(IWorkbenchWindow window) {
// System.out.println("Listening on " + window);
window.getPartService().addPartListener(this);
refreshState();
}
@Override
public void windowClosed(IWorkbenchWindow window) {
// window.removePageListener(this);
window.getPartService().removePartListener(this);
}
// IPageListener
//
// public void pageOpened(IWorkbenchPage page) {
// page.addPartListener(this);
// }
//
// public void pageClosed(IWorkbenchPage page) {
// page.removePartListener(this);
// }
// IPartListener
@Override
public void partOpened(IWorkbenchPart part) {
if (part instanceof Preview) {
// System.out.println("Closing preview");
refreshState();
}
}
@Override
public void partClosed(IWorkbenchPart part) {
if (part instanceof Preview) {
// System.out.println("Closing preview");
refreshState();
}
}
// Ignored methods
@Override
public void partActivated(IWorkbenchPart part) {
// System.out.println("Part activated");
// refreshState();
}
@Override
public void partBroughtToTop(IWorkbenchPart part) {
// Nothing
}
@Override
public void partDeactivated(IWorkbenchPart part) {
// System.out.println("Part activated");
// refreshState();
}
@Override
public void windowActivated(IWorkbenchWindow window) {
// Nothing
}
@Override
public void windowDeactivated(IWorkbenchWindow window) {
// Nothing
}
public void pageActivated(IWorkbenchPage page) {
// Nothing
}
}
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