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/*******************************************************************************
* Copyright (c) 2008, 2010 IBM Corporation 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:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.jst.jsp.ui.internal.java.refactoring;
import org.eclipse.core.commands.AbstractHandler;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.jdt.core.IField;
import org.eclipse.jdt.core.IJavaElement;
import org.eclipse.jdt.core.IMethod;
import org.eclipse.jdt.core.IPackageFragment;
import org.eclipse.jdt.core.IType;
import org.eclipse.jdt.ui.refactoring.RenameSupport;
import org.eclipse.jst.jsp.ui.internal.JSPUIMessages;
import org.eclipse.jst.jsp.ui.internal.Logger;
import org.eclipse.ui.IEditorPart;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.handlers.HandlerUtil;
import org.eclipse.ui.texteditor.ITextEditor;
import org.eclipse.wst.sse.ui.internal.util.PlatformStatusLineUtil;
public class RenameElementHandler extends AbstractHandler {
private IEditorPart fEditor;
public Object execute(ExecutionEvent event) throws ExecutionException {
fEditor = HandlerUtil.getActiveEditor(event);
IJavaElement element = getSelectedElement();
if(element != null) {
RenameSupport renameSupport = null;
try {
switch(element.getElementType()) {
case IJavaElement.TYPE:
renameSupport= RenameSupport.create((IType)element, element.getElementName(), RenameSupport.UPDATE_REFERENCES);
break;
case IJavaElement.METHOD:
renameSupport= RenameSupport.create((IMethod)element, element.getElementName(), RenameSupport.UPDATE_REFERENCES);
break;
case IJavaElement.PACKAGE_FRAGMENT:
renameSupport= RenameSupport.create((IPackageFragment)element, element.getElementName(), RenameSupport.UPDATE_REFERENCES);
break;
case IJavaElement.FIELD:
renameSupport = RenameSupport.create((IField)element, element.getElementName(), RenameSupport.UPDATE_REFERENCES);
break;
}
if(renameSupport != null) {
renameSupport.openDialog(PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell());
PlatformStatusLineUtil.clearStatusLine();
}
}
catch (CoreException e) {
Logger.logException(e);
}
}
else {
PlatformStatusLineUtil.displayErrorMessage(JSPUIMessages.JSPRenameElementAction_0); //$NON-NLS-1$
PlatformStatusLineUtil.addOneTimeClearListener();
}
return null;
}
private IJavaElement getSelectedElement() {
IJavaElement element = null;
if (fEditor != null) {
ITextEditor editor = (ITextEditor) ((fEditor instanceof ITextEditor) ? fEditor : fEditor.getAdapter(ITextEditor.class));
if (editor != null) {
IJavaElement[] elements = JSPJavaSelectionProvider.getSelection(editor);
if (elements.length == 1)
element = elements[0];
}
}
return element;
}
}
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