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/*******************************************************************************
* Copyright (c) 2005 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.runtime.CoreException;
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.jface.action.IAction;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jst.jsp.ui.internal.JSPUIMessages;
import org.eclipse.jst.jsp.ui.internal.Logger;
import org.eclipse.swt.widgets.Event;
import org.eclipse.ui.IActionDelegate2;
import org.eclipse.ui.IEditorActionDelegate;
import org.eclipse.ui.IEditorPart;
import org.eclipse.ui.IViewActionDelegate;
import org.eclipse.ui.IViewPart;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.texteditor.ITextEditor;
import org.eclipse.wst.sse.ui.internal.util.PlatformStatusLineUtil;
/**
* An action delegate that launches JDT rename element wizard
*/
public class JSPRenameElementActionDelegate implements IEditorActionDelegate, IActionDelegate2, IViewActionDelegate {
private IEditorPart fEditor;
public void setActiveEditor(IAction action, IEditorPart targetEditor) {
fEditor = targetEditor;
}
public void dispose() {
// nulling out just in case
fEditor = null;
}
public void init(IAction action) {
if (action != null) {
action.setText(JSPUIMessages.RenameElement_label);
action.setToolTipText(JSPUIMessages.RenameElement_label);
}
}
public void runWithEvent(IAction action, Event event) {
run(action);
}
public void run(IAction action) {
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;
}
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();
}
}
public void selectionChanged(IAction action, ISelection selection) {
PlatformStatusLineUtil.clearStatusLine();
}
public void init(IViewPart view) {
// do nothing
}
private IJavaElement getSelectedElement() {
IJavaElement element = null;
if (fEditor instanceof ITextEditor) {
IJavaElement[] elements = JSPJavaSelectionProvider.getSelection((ITextEditor)fEditor);
if (elements.length == 1)
element = elements[0];
}
return element;
}
}
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