/******************************************************************************* * Copyright (c) 2000, 2011 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.jdt.ui.actions; import org.eclipse.core.runtime.CoreException; import org.eclipse.jface.viewers.IStructuredSelection; import org.eclipse.jface.text.ITextSelection; import org.eclipse.jface.text.TextSelection; import org.eclipse.ui.IWorkbenchSite; import org.eclipse.ui.PlatformUI; import org.eclipse.jdt.core.IMethod; import org.eclipse.jdt.core.ISourceRange; import org.eclipse.jdt.core.JavaModelException; import org.eclipse.jdt.internal.corext.refactoring.RefactoringAvailabilityTester; import org.eclipse.jdt.internal.corext.refactoring.RefactoringExecutionStarter; import org.eclipse.jdt.internal.corext.util.JavaModelUtil; import org.eclipse.jdt.internal.ui.IJavaHelpContextIds; import org.eclipse.jdt.internal.ui.JavaPlugin; import org.eclipse.jdt.internal.ui.actions.ActionUtil; import org.eclipse.jdt.internal.ui.actions.SelectionConverter; import org.eclipse.jdt.internal.ui.javaeditor.JavaEditor; import org.eclipse.jdt.internal.ui.javaeditor.JavaTextSelection; import org.eclipse.jdt.internal.ui.refactoring.RefactoringMessages; import org.eclipse.jdt.internal.ui.util.ExceptionHandler; /** * Action that encapsulates the a constructor call with a factory * method. *
* This class may be instantiated; it is not intended to be subclassed. *
* * @since 3.0 * * @noextend This class is not intended to be subclassed by clients. */ public class IntroduceFactoryAction extends SelectionDispatchAction { public JavaEditor fEditor; /** * Note: This constructor is for internal use only. Clients should not call this constructor. * @param editor the Java editor * * @noreference This constructor is not intended to be referenced by clients. */ public IntroduceFactoryAction(JavaEditor editor) { this(editor.getEditorSite()); fEditor= editor; setEnabled(SelectionConverter.getInputAsCompilationUnit(fEditor) != null); } /** * Creates a newIntroduceFactoryAction
. The action requires
* that the selection provided by the site's selection provider is of type
* org.eclipse.jface.viewers.IStructuredSelection
.
*
* @param site the site providing context information for this action
*/
public IntroduceFactoryAction(IWorkbenchSite site) {
super(site);
setText(RefactoringMessages.IntroduceFactoryAction_label);
setToolTipText(RefactoringMessages.IntroduceFactoryAction_tooltipText);
setDescription(RefactoringMessages.IntroduceFactoryAction_description);
PlatformUI.getWorkbench().getHelpSystem().setHelp(this, IJavaHelpContextIds.INTRODUCE_FACTORY_ACTION);
}
//---- structured selection --------------------------------------------------
/*
* @see SelectionDispatchAction#selectionChanged(IStructuredSelection)
*/
@Override
public void selectionChanged(IStructuredSelection selection) {
try {
setEnabled(RefactoringAvailabilityTester.isIntroduceFactoryAvailable(selection));
} catch (JavaModelException e) {
if (JavaModelUtil.isExceptionToBeLogged(e))
JavaPlugin.log(e);
setEnabled(false);//no UI here - happens on selection changes
}
}
/*
* @see SelectionDispatchAction#run(IStructuredSelection)
*/
@Override
public void run(IStructuredSelection selection) {
try {
// we have to call this here - no selection changed event is sent after a refactoring but it may still invalidate enablement
if (RefactoringAvailabilityTester.isIntroduceFactoryAvailable(selection)) {
IMethod method= (IMethod) selection.getFirstElement();
if (!ActionUtil.isEditable(getShell(), method))
return;
ISourceRange range= method.getNameRange();
RefactoringExecutionStarter.startIntroduceFactoryRefactoring(method.getCompilationUnit(), new TextSelection(range.getOffset(), range.getLength()), getShell());
}
} catch (CoreException e) {
ExceptionHandler.handle(e, RefactoringMessages.IntroduceFactoryAction_dialog_title, RefactoringMessages.IntroduceFactoryAction_exception);
}
}
/* (non-Javadoc)
* Method declared on SelectionDispatchAction
*/
@Override
public void selectionChanged(ITextSelection selection) {
setEnabled(fEditor != null && SelectionConverter.getInputAsCompilationUnit(fEditor) != null);
}
/**
* Note: This method is for internal use only. Clients should not call this method.
*
* @param selection the Java text selection
* @noreference This method is not intended to be referenced by clients.
*/
@Override
public void selectionChanged(JavaTextSelection selection) {
try {
setEnabled(RefactoringAvailabilityTester.isIntroduceFactoryAvailable(selection));
} catch (JavaModelException e) {
setEnabled(false);
}
}
@Override
public void run(ITextSelection selection) {
fEditor.generated_2011374973613671952(this, selection);
}
}