/*******************************************************************************
* Copyright (c) 2000, 2007 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
*
*******************************************************************************/
package org.eclipse.dltk.internal.ui.actions.refactoring;
import org.eclipse.dltk.core.DLTKCore;
import org.eclipse.dltk.core.IModelElement;
import org.eclipse.dltk.core.ModelException;
import org.eclipse.dltk.internal.corext.refactoring.reorg.ReorgMoveAction;
import org.eclipse.dltk.internal.ui.actions.ActionUtil;
import org.eclipse.dltk.internal.ui.actions.SelectionConverter;
import org.eclipse.dltk.internal.ui.editor.ScriptEditor;
import org.eclipse.dltk.internal.ui.refactoring.RefactoringMessages;
import org.eclipse.dltk.ui.actions.SelectionDispatchAction;
import org.eclipse.dltk.ui.util.ExceptionHandler;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.text.ITextSelection;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.SelectionChangedEvent;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.ui.IWorkbenchSite;
/**
* This action moves Script elements to a new location. The action prompts
* the user for the new location.
* <p>
* The action is applicable to a homogeneous selection containing either
* projects, package fragment roots, package fragments, compilation units,
* or static methods.
*
* <p>
* This class may be instantiated; it is not intended to be subclassed.
* </p>
*
*
*/
public class MoveAction extends SelectionDispatchAction{
//TODO: remove duplicate availability checks. Look at
//- f...Action.selectionChanged
//- f...Action.isEnabled
//- ...Refactoring.isAvailable
//- try...
//... and remove duplicated code for text/structured selections.
//We have to clean this up, once we have a long term solution to
//bug 35748 (no ScriptElements for local types).
private ScriptEditor fEditor;
// private MoveInstanceMethodAction fMoveInstanceMethodAction;
// private MoveStaticMembersAction fMoveStaticMembersAction;
private ReorgMoveAction fReorgMoveAction;
/**
* Creates a new <code>MoveAction</code>. The action requires
* that the selection provided by the site's selection provider is of type <code>
* org.eclipse.jface.viewers.IStructuredSelection</code>.
*
* @param site the site providing context information for this action
*/
public MoveAction(IWorkbenchSite site) {
super(site);
setText(RefactoringMessages.MoveAction_text);
// fMoveStaticMembersAction= new MoveStaticMembersAction(site);
// fMoveInstanceMethodAction= new MoveInstanceMethodAction(site);
fReorgMoveAction= new ReorgMoveAction(site);
//PlatformUI.getWorkbench().getHelpSystem().setHelp(this, IScriptHelpContextIds.MOVE_ACTION);
if (DLTKCore.DEBUG) {
System.err.println("Add help support here..."); //$NON-NLS-1$
}
}
/**
* Note: This constructor is for internal use only. Clients should not call this constructor.
* @param editor the compilation unit editor
*/
public MoveAction(ScriptEditor editor) {
super(editor.getEditorSite());
fEditor= editor;
setText(RefactoringMessages.MoveAction_text);
// fMoveStaticMembersAction= new MoveStaticMembersAction(editor);
// fMoveInstanceMethodAction= new MoveInstanceMethodAction(editor);
fReorgMoveAction= new ReorgMoveAction(editor.getEditorSite());
//PlatformUI.getWorkbench().getHelpSystem().setHelp(this, IScriptHelpContextIds.MOVE_ACTION);
if (DLTKCore.DEBUG) {
System.err.println("Add help support here..."); //$NON-NLS-1$
}
}
/*
* @see ISelectionChangedListener#selectionChanged(SelectionChangedEvent)
*/
public void selectionChanged(SelectionChangedEvent event) {
// fMoveStaticMembersAction.selectionChanged(event);
// fMoveInstanceMethodAction.selectionChanged(event);
fReorgMoveAction.selectionChanged(event);
setEnabled(computeEnableState());
}
public void run(IStructuredSelection selection) {
// try {
// if (fMoveInstanceMethodAction.isEnabled() && tryMoveInstanceMethod(selection))
// return;
//
// if (fMoveStaticMembersAction.isEnabled() && tryMoveStaticMembers(selection))
// return;
if (fReorgMoveAction.isEnabled())
fReorgMoveAction.run();
// } catch (ModelException e) {
// ExceptionHandler.handle(e, RefactoringMessages.OpenRefactoringWizardAction_refactoring, RefactoringMessages.OpenRefactoringWizardAction_exception);
// }
}
public void run(ITextSelection selection) {
try {
if (!ActionUtil.isProcessable(getShell(), fEditor))
return;
// if (fMoveStaticMembersAction.isEnabled() && tryMoveStaticMembers(selection))
// return;
//
// if (fMoveInstanceMethodAction.isEnabled() && tryMoveInstanceMethod(selection))
// return;
if (tryReorgMove(selection))
return;
MessageDialog.openInformation(getShell(), RefactoringMessages.MoveAction_Move, RefactoringMessages.MoveAction_select);
} catch (ModelException e) {
ExceptionHandler.handle(e, RefactoringMessages.OpenRefactoringWizardAction_refactoring, RefactoringMessages.OpenRefactoringWizardAction_exception);
}
}
// private static IMember[] getSelectedMembers(IStructuredSelection selection){
// if (selection.isEmpty())
// return null;
//
// for (Iterator iter= selection.iterator(); iter.hasNext(); ) {
// if (! (iter.next() instanceof IMember))
// return null;
// }
// return convertToMemberArray(selection.toArray());
// }
// private static IMember[] convertToMemberArray(Object[] obj) {
// if (obj == null)
// return null;
// Set memberSet= new HashSet();
// memberSet.addAll(Arrays.asList(obj));
// return (IMember[]) memberSet.toArray(new IMember[memberSet.size()]);
// }
// private static IMethod getSingleSelectedMethod(IStructuredSelection selection) {
// if (selection.isEmpty() || selection.size() != 1)
// return null;
//
// Object first= selection.getFirstElement();
// if (! (first instanceof IMethod))
// return null;
// return (IMethod) first;
// }
private boolean tryReorgMove(ITextSelection selection) throws ModelException{
IModelElement element= SelectionConverter.getElementAtOffset(fEditor);
if (element == null)
return false;
StructuredSelection mockStructuredSelection= new StructuredSelection(element);
fReorgMoveAction.selectionChanged(mockStructuredSelection);
if (!fReorgMoveAction.isEnabled())
return false;
fReorgMoveAction.run(mockStructuredSelection);
return true;
}
/*
* @see SelectionDispatchAction#update(ISelection)
*/
public void update(ISelection selection) {
// fMoveStaticMembersAction.update(selection);
// fMoveInstanceMethodAction.update(selection);
fReorgMoveAction.update(selection);
setEnabled(computeEnableState());
}
private boolean computeEnableState(){
return /*fMoveStaticMembersAction.isEnabled()
|| fMoveInstanceMethodAction.isEnabled()
||*/ fReorgMoveAction.isEnabled();
}
}