EOModelEditorContributor.java

/*
 * ====================================================================
 * 
 * The ObjectStyle Group Software License, Version 1.0
 * 
 * Copyright (c) 2006 The ObjectStyle Group and individual authors of the
 * software. All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * 
 * 1. Redistributions of source code must retain the above copyright notice,
 * this list of conditions and the following disclaimer.
 * 
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation
 * and/or other materials provided with the distribution.
 * 
 * 3. The end-user documentation included with the redistribution, if any, must
 * include the following acknowlegement: "This product includes software
 * developed by the ObjectStyle Group (http://objectstyle.org/)." Alternately,
 * this acknowlegement may appear in the software itself, if and wherever such
 * third-party acknowlegements normally appear.
 * 
 * 4. The names "ObjectStyle Group" and "Cayenne" must not be used to endorse or
 * promote products derived from this software without prior written permission.
 * For written permission, please contact andrus@objectstyle.org.
 * 
 * 5. Products derived from this software may not be called "ObjectStyle" nor
 * may "ObjectStyle" appear in their names without prior written permission of
 * the ObjectStyle Group.
 * 
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
 * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 * OBJECTSTYLE GROUP OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
 * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 * ====================================================================
 * 
 * This software consists of voluntary contributions made by many individuals on
 * behalf of the ObjectStyle Group. For more information on the ObjectStyle
 * Group, please see <http://objectstyle.org/>.
 *  
 */
package org.objectstyle.wolips.eomodeler.editors;

import org.eclipse.jface.viewers.ISelectionProvider;
import org.eclipse.ui.IActionBars;
import org.eclipse.ui.IEditorPart;
import org.eclipse.ui.operations.UndoRedoActionGroup;
import org.eclipse.ui.part.MultiPageEditorActionBarContributor;

public class EOModelEditorContributor extends MultiPageEditorActionBarContributor {
	private IEditorPart _activeEditor;

	private IEditorPart _activeEditorPage;

	private EOModelClipboardHandler _clipboardHandler;
	
	public EOModelEditorContributor() {
		_clipboardHandler = new EOModelClipboardHandler();
	}

	public void setActiveEditor(IEditorPart part) {
		if (_activeEditor != null) {
			((ISelectionProvider) _activeEditor).removeSelectionChangedListener(_clipboardHandler);
		}
		_activeEditor = part;
		if (_activeEditor != null) {
			((ISelectionProvider) _activeEditor).addSelectionChangedListener(_clipboardHandler);
		}
		super.setActiveEditor(part);
	}

	public void setActivePage(IEditorPart editor) {
		if (_activeEditor != null) {
			((ISelectionProvider) _activeEditorPage).addSelectionChangedListener(_clipboardHandler);
		}
		_activeEditorPage = editor;
		if (_activeEditor != null) {
			((ISelectionProvider) _activeEditorPage).addSelectionChangedListener(_clipboardHandler);
		}

		EOModelEditor modelEditor = (EOModelEditor) _activeEditor;
		IActionBars actionBars = getActionBars();
		_clipboardHandler.attach(actionBars, modelEditor);
		if (modelEditor != null) {
			UndoRedoActionGroup undoRedoGroup = new UndoRedoActionGroup(editor.getSite(), modelEditor.getUndoContext(), false);
			undoRedoGroup.fillActionBars(actionBars);
		}
	}
}