AbstractSwitchToActionDelegate.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
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
 * 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.componenteditor.editormenu;

import org.eclipse.core.resources.IFile;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.ui.IEditorActionDelegate;
import org.eclipse.ui.IEditorInput;
import org.eclipse.ui.IEditorPart;
import org.eclipse.ui.part.FileEditorInput;
import org.objectstyle.wolips.componenteditor.ComponenteditorPlugin;
import org.objectstyle.wolips.componenteditor.part.ComponentEditor;
import org.objectstyle.wolips.locate.LocateException;
import org.objectstyle.wolips.locate.LocatePlugin;
import org.objectstyle.wolips.locate.result.LocalizedComponentsLocateResult;

public abstract class AbstractSwitchToActionDelegate implements IEditorActionDelegate {

	private ComponentEditor componentEditor;

	private IEditorPart editorPart;

	public void setActiveEditor(IAction action, IEditorPart targetEditor) {
		editorPart = null;
		componentEditor = null;
		if (targetEditor == null) {
			return;
		}
		if (targetEditor instanceof ComponentEditor) {
			componentEditor = (ComponentEditor) targetEditor;
		}
		editorPart = targetEditor;
	}

	public void selectionChanged(IAction action, ISelection selection) {
		return;
	}

	public ComponentEditor getComponentEditor() {
		return componentEditor;
	}

	public IEditorPart getEditorPart() {
		return editorPart;
	}

	public LocalizedComponentsLocateResult getLocalizedComponentsLocateResult() {
		IEditorInput editorInput = this.editorPart.getEditorInput();
		FileEditorInput fileEditorInput = (FileEditorInput) editorInput;
		IFile file = fileEditorInput.getFile();
		LocalizedComponentsLocateResult localizedComponentsLocateResult = null;
		try {
			localizedComponentsLocateResult = LocatePlugin.getDefault().getLocalizedComponentsLocateResult(file);
		} catch (CoreException e) {
			ComponenteditorPlugin.getDefault().log(e);
			return null;
		} catch (LocateException e) {
			ComponenteditorPlugin.getDefault().log(e);
			return null;
		}
		if (localizedComponentsLocateResult.getComponents() == null || localizedComponentsLocateResult.getComponents().length == 0) {
			return null;
		}
		return localizedComponentsLocateResult;
	}
}