org.eclipse.jdt.ui/ui refactoring/org/eclipse/jdt/internal/ui/refactoring/reorg/ReorgMoveWizard.java - jdt/eclipse.jdt.ui - Git at Google

 /*******************************************************************************
  * Copyright (c) 2000, 2006 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.internal.ui.refactoring.reorg;

 import org.eclipse.core.resources.IResource;

 import org.eclipse.swt.SWT;
 import org.eclipse.swt.events.SelectionAdapter;
 import org.eclipse.swt.events.SelectionEvent;
 import org.eclipse.swt.events.TraverseEvent;
 import org.eclipse.swt.events.TraverseListener;
 import org.eclipse.swt.layout.GridData;
 import org.eclipse.swt.layout.GridLayout;
 import org.eclipse.swt.widgets.Button;
 import org.eclipse.swt.widgets.Composite;
 import org.eclipse.swt.widgets.Control;

 import org.eclipse.jface.dialogs.Dialog;
 import org.eclipse.jface.viewers.ITreeContentProvider;
 import org.eclipse.jface.viewers.StructuredSelection;
 import org.eclipse.jface.viewers.TreeViewer;

 import org.eclipse.ltk.core.refactoring.RefactoringStatus;
 import org.eclipse.ltk.core.refactoring.participants.MoveRefactoring;
 import org.eclipse.ltk.ui.refactoring.RefactoringWizard;

 import org.eclipse.jdt.core.IJavaElement;
 import org.eclipse.jdt.core.JavaModelException;

 import org.eclipse.jdt.internal.corext.refactoring.reorg.ICreateTargetQuery;
 import org.eclipse.jdt.internal.corext.refactoring.reorg.IReorgDestinationValidator;
 import org.eclipse.jdt.internal.corext.refactoring.reorg.JavaMoveProcessor;

 import org.eclipse.jdt.internal.ui.refactoring.QualifiedNameComponent;
 import org.eclipse.jdt.internal.ui.refactoring.RefactoringMessages;
 import org.eclipse.jdt.internal.ui.util.SWTUtil;


 public class ReorgMoveWizard extends RefactoringWizard {

 	public ReorgMoveWizard(MoveRefactoring ref) {
 		super(ref, DIALOG_BASED_USER_INTERFACE | computeHasPreviewPage(ref));
 		if (isTextualMove(ref))
 			setDefaultPageTitle(ReorgMessages.ReorgMoveWizard_textual_move);
 		else
 			setDefaultPageTitle(ReorgMessages.ReorgMoveWizard_3);
 	}

 	private static boolean isTextualMove(MoveRefactoring ref) {
 		JavaMoveProcessor moveProcessor= (JavaMoveProcessor) ref.getAdapter(JavaMoveProcessor.class);
 		return moveProcessor.isTextualMove();
 	}

 	private static int computeHasPreviewPage(MoveRefactoring refactoring) {
 		JavaMoveProcessor processor= (JavaMoveProcessor)refactoring.getAdapter(JavaMoveProcessor.class);
 		if (processor.canUpdateReferences() || processor.canEnableQualifiedNameUpdating())
 			return NONE;
 		return NO_PREVIEW_PAGE;
 	}

 	protected void addUserInputPages() {
 		addPage(new MoveInputPage());
 	}

 	private static class MoveInputPage extends ReorgUserInputPage{

 		private static final String PAGE_NAME= "MoveInputPage"; //$NON-NLS-1$
 		private Button fReferenceCheckbox;
 		private Button fQualifiedNameCheckbox;
 		private QualifiedNameComponent fQualifiedNameComponent;
 		private ICreateTargetQuery fCreateTargetQuery;

 		private Object fDestination;

 		public MoveInputPage() {
 			super(PAGE_NAME);
 		}

 		private JavaMoveProcessor getJavaMoveProcessor(){
 			return (JavaMoveProcessor)getRefactoring().getAdapter(JavaMoveProcessor.class);
 		}

 		protected Object getInitiallySelectedElement() {
 			return getJavaMoveProcessor().getCommonParentForInputElements();
 		}

 		protected IJavaElement[] getJavaElements() {
 			return getJavaMoveProcessor().getJavaElements();
 		}

 		protected IResource[] getResources() {
 			return getJavaMoveProcessor().getResources();
 		}

 		protected IReorgDestinationValidator getDestinationValidator() {
 			return getJavaMoveProcessor();
 		}

 		protected boolean performFinish() {
 			return super.performFinish() || getJavaMoveProcessor().wasCanceled(); //close the dialog if canceled
 		}

 		protected RefactoringStatus verifyDestination(Object selected) throws JavaModelException{
 			JavaMoveProcessor processor= getJavaMoveProcessor();
 			final RefactoringStatus refactoringStatus;
 			if (selected instanceof IJavaElement)
 				refactoringStatus= processor.setDestination((IJavaElement)selected);
 			else if (selected instanceof IResource)
 				refactoringStatus= processor.setDestination((IResource)selected);
 			else refactoringStatus= RefactoringStatus.createFatalErrorStatus(ReorgMessages.ReorgMoveWizard_4);

 			updateUIStatus();
 			fDestination= selected;
 			return refactoringStatus;
 		}

 		private void updateUIStatus() {
 			getRefactoringWizard().setForcePreviewReview(false);
 			JavaMoveProcessor processor= getJavaMoveProcessor();
 			if (fReferenceCheckbox != null){
 				fReferenceCheckbox.setEnabled(canUpdateReferences());
 				processor.setUpdateReferences(fReferenceCheckbox.getEnabled() && fReferenceCheckbox.getSelection());
 			}
 			if (fQualifiedNameCheckbox != null){
 				boolean enabled= processor.canEnableQualifiedNameUpdating();
 				fQualifiedNameCheckbox.setEnabled(enabled);
 				if (enabled) {
 					fQualifiedNameComponent.setEnabled(processor.getUpdateQualifiedNames());
 					if (processor.getUpdateQualifiedNames())
 						getRefactoringWizard().setForcePreviewReview(true);
 				} else {
 					fQualifiedNameComponent.setEnabled(false);
 				}
 				processor.setUpdateQualifiedNames(fQualifiedNameCheckbox.getEnabled() && fQualifiedNameCheckbox.getSelection());
 			}
 		}

 		private void addUpdateReferenceComponent(Composite result) {
 			final JavaMoveProcessor processor= getJavaMoveProcessor();
 			if (! processor.canUpdateReferences())
 				return;
 			fReferenceCheckbox= new Button(result, SWT.CHECK);
 			fReferenceCheckbox.setText(ReorgMessages.JdtMoveAction_update_references);
 			fReferenceCheckbox.setSelection(processor.getUpdateReferences());
 			fReferenceCheckbox.setEnabled(canUpdateReferences());

 			fReferenceCheckbox.addSelectionListener(new SelectionAdapter() {
 				public void widgetSelected(SelectionEvent e) {
 					processor.setUpdateReferences(((Button)e.widget).getSelection());
 					updateUIStatus();
 				}
 			});
 		}

 		private void addUpdateQualifiedNameComponent(Composite parent, int marginWidth) {
 			final JavaMoveProcessor processor= getJavaMoveProcessor();
 			if (!processor.canEnableQualifiedNameUpdating() || !processor.canUpdateQualifiedNames())
 				return;
 			fQualifiedNameCheckbox= new Button(parent, SWT.CHECK);
 			int indent= marginWidth + fQualifiedNameCheckbox.computeSize(SWT.DEFAULT, SWT.DEFAULT).x;
 			fQualifiedNameCheckbox.setText(RefactoringMessages.RenameInputWizardPage_update_qualified_names);
 			fQualifiedNameCheckbox.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
 			fQualifiedNameCheckbox.setSelection(processor.getUpdateQualifiedNames());

 			fQualifiedNameComponent= new QualifiedNameComponent(parent, SWT.NONE, processor, getRefactoringSettings());
 			fQualifiedNameComponent.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
 			GridData gd= (GridData)fQualifiedNameComponent.getLayoutData();
 			gd.horizontalAlignment= GridData.FILL;
 			gd.horizontalIndent= indent;
 			updateQualifiedNameUpdating(processor, processor.getUpdateQualifiedNames());

 			fQualifiedNameCheckbox.addSelectionListener(new SelectionAdapter() {
 				public void widgetSelected(SelectionEvent e) {
 					boolean enabled= ((Button)e.widget).getSelection();
 					updateQualifiedNameUpdating(processor, enabled);
 				}

 			});
 		}

 		private void updateQualifiedNameUpdating(final JavaMoveProcessor processor, boolean enabled) {
 			fQualifiedNameComponent.setEnabled(enabled);
 			processor.setUpdateQualifiedNames(enabled);
 			updateUIStatus();
 		}

 		public void createControl(Composite parent) {
 			Composite result;

 			boolean showDestinationTree= ! getJavaMoveProcessor().hasDestinationSet();
 			if (showDestinationTree) {
 				fCreateTargetQuery= getJavaMoveProcessor().getCreateTargetQuery();
 				super.createControl(parent);
 				getTreeViewer().getTree().setFocus();
 				result= (Composite)super.getControl();
 			} else  {
 				initializeDialogUnits(parent);
 				result= new Composite(parent, SWT.NONE);
 				setControl(result);
 				result.setLayout(new GridLayout());
 				Dialog.applyDialogFont(result);
 			}
 			addUpdateReferenceComponent(result);
 			addUpdateQualifiedNameComponent(result, ((GridLayout)result.getLayout()).marginWidth);
 			setControl(result);
 			Dialog.applyDialogFont(result);
 		}

 		protected Control addLabel(Composite parent) {
 			if (fCreateTargetQuery != null) {
 				Composite firstLine= new Composite(parent, SWT.NONE);
 				GridLayout layout= new GridLayout(2, false);
 				layout.marginHeight= layout.marginWidth= 0;
 				firstLine.setLayout(layout);
 				firstLine.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

 				Control label= super.addLabel(firstLine);
 				label.addTraverseListener(new TraverseListener() {
 					public void keyTraversed(TraverseEvent e) {
 						if (e.detail == SWT.TRAVERSE_MNEMONIC && e.doit) {
 							e.detail= SWT.TRAVERSE_NONE;
 							getTreeViewer().getTree().setFocus();
 						}
 					}
 				});

 				Button newButton= new Button(firstLine, SWT.PUSH);
 				newButton.setText(fCreateTargetQuery.getNewButtonLabel());
 				GridData gd= new GridData(GridData.HORIZONTAL_ALIGN_END | GridData.GRAB_HORIZONTAL | GridData.VERTICAL_ALIGN_BEGINNING);
 				gd.widthHint = SWTUtil.getButtonWidthHint(newButton);
 				newButton.setLayoutData(gd);
 				newButton.addSelectionListener(new SelectionAdapter() {
 					public void widgetSelected(SelectionEvent e) {
 						doNewButtonPressed();
 					}
 				});

 				return firstLine;

 			} else {
 				return super.addLabel(parent);
 			}
 		}

 		private boolean canUpdateReferences() {
 			return getJavaMoveProcessor().canUpdateReferences();
 		}

 		private void doNewButtonPressed() {
 			Object newElement= fCreateTargetQuery.getCreatedTarget(fDestination);
 			if (newElement != null) {
 				TreeViewer viewer= getTreeViewer();
 				ITreeContentProvider contentProvider= (ITreeContentProvider) viewer.getContentProvider();
 				viewer.refresh(contentProvider.getParent(newElement));
 				viewer.setSelection(new StructuredSelection(newElement), true);
 				viewer.getTree().setFocus();
 			}
 		}
 	}
 }
	/*******************************************************************************
	* Copyright (c) 2000, 2006 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.internal.ui.refactoring.reorg;

	import org.eclipse.core.resources.IResource;

	import org.eclipse.swt.SWT;
	import org.eclipse.swt.events.SelectionAdapter;
	import org.eclipse.swt.events.SelectionEvent;
	import org.eclipse.swt.events.TraverseEvent;
	import org.eclipse.swt.events.TraverseListener;
	import org.eclipse.swt.layout.GridData;
	import org.eclipse.swt.layout.GridLayout;
	import org.eclipse.swt.widgets.Button;
	import org.eclipse.swt.widgets.Composite;
	import org.eclipse.swt.widgets.Control;

	import org.eclipse.jface.dialogs.Dialog;
	import org.eclipse.jface.viewers.ITreeContentProvider;
	import org.eclipse.jface.viewers.StructuredSelection;
	import org.eclipse.jface.viewers.TreeViewer;

	import org.eclipse.ltk.core.refactoring.RefactoringStatus;
	import org.eclipse.ltk.core.refactoring.participants.MoveRefactoring;
	import org.eclipse.ltk.ui.refactoring.RefactoringWizard;

	import org.eclipse.jdt.core.IJavaElement;
	import org.eclipse.jdt.core.JavaModelException;

	import org.eclipse.jdt.internal.corext.refactoring.reorg.ICreateTargetQuery;
	import org.eclipse.jdt.internal.corext.refactoring.reorg.IReorgDestinationValidator;
	import org.eclipse.jdt.internal.corext.refactoring.reorg.JavaMoveProcessor;

	import org.eclipse.jdt.internal.ui.refactoring.QualifiedNameComponent;
	import org.eclipse.jdt.internal.ui.refactoring.RefactoringMessages;
	import org.eclipse.jdt.internal.ui.util.SWTUtil;


	public class ReorgMoveWizard extends RefactoringWizard {

	public ReorgMoveWizard(MoveRefactoring ref) {
	super(ref, DIALOG_BASED_USER_INTERFACE \| computeHasPreviewPage(ref));
	if (isTextualMove(ref))
	setDefaultPageTitle(ReorgMessages.ReorgMoveWizard_textual_move);
	else
	setDefaultPageTitle(ReorgMessages.ReorgMoveWizard_3);
	}

	private static boolean isTextualMove(MoveRefactoring ref) {
	JavaMoveProcessor moveProcessor= (JavaMoveProcessor) ref.getAdapter(JavaMoveProcessor.class);
	return moveProcessor.isTextualMove();
	}

	private static int computeHasPreviewPage(MoveRefactoring refactoring) {
	JavaMoveProcessor processor= (JavaMoveProcessor)refactoring.getAdapter(JavaMoveProcessor.class);
	if (processor.canUpdateReferences() \|\| processor.canEnableQualifiedNameUpdating())
	return NONE;
	return NO_PREVIEW_PAGE;
	}

	protected void addUserInputPages() {
	addPage(new MoveInputPage());
	}

	private static class MoveInputPage extends ReorgUserInputPage{

	private static final String PAGE_NAME= "MoveInputPage"; //$NON-NLS-1$
	private Button fReferenceCheckbox;
	private Button fQualifiedNameCheckbox;
	private QualifiedNameComponent fQualifiedNameComponent;
	private ICreateTargetQuery fCreateTargetQuery;

	private Object fDestination;

	public MoveInputPage() {
	super(PAGE_NAME);
	}

	private JavaMoveProcessor getJavaMoveProcessor(){
	return (JavaMoveProcessor)getRefactoring().getAdapter(JavaMoveProcessor.class);
	}

	protected Object getInitiallySelectedElement() {
	return getJavaMoveProcessor().getCommonParentForInputElements();
	}

	protected IJavaElement[] getJavaElements() {
	return getJavaMoveProcessor().getJavaElements();
	}

	protected IResource[] getResources() {
	return getJavaMoveProcessor().getResources();
	}

	protected IReorgDestinationValidator getDestinationValidator() {
	return getJavaMoveProcessor();
	}

	protected boolean performFinish() {
	return super.performFinish() \|\| getJavaMoveProcessor().wasCanceled(); //close the dialog if canceled
	}

	protected RefactoringStatus verifyDestination(Object selected) throws JavaModelException{
	JavaMoveProcessor processor= getJavaMoveProcessor();
	final RefactoringStatus refactoringStatus;
	if (selected instanceof IJavaElement)
	refactoringStatus= processor.setDestination((IJavaElement)selected);
	else if (selected instanceof IResource)
	refactoringStatus= processor.setDestination((IResource)selected);
	else refactoringStatus= RefactoringStatus.createFatalErrorStatus(ReorgMessages.ReorgMoveWizard_4);

	updateUIStatus();
	fDestination= selected;
	return refactoringStatus;
	}

	private void updateUIStatus() {
	getRefactoringWizard().setForcePreviewReview(false);
	JavaMoveProcessor processor= getJavaMoveProcessor();
	if (fReferenceCheckbox != null){
	fReferenceCheckbox.setEnabled(canUpdateReferences());
	processor.setUpdateReferences(fReferenceCheckbox.getEnabled() && fReferenceCheckbox.getSelection());
	}
	if (fQualifiedNameCheckbox != null){
	boolean enabled= processor.canEnableQualifiedNameUpdating();
	fQualifiedNameCheckbox.setEnabled(enabled);
	if (enabled) {
	fQualifiedNameComponent.setEnabled(processor.getUpdateQualifiedNames());
	if (processor.getUpdateQualifiedNames())
	getRefactoringWizard().setForcePreviewReview(true);
	} else {
	fQualifiedNameComponent.setEnabled(false);
	}
	processor.setUpdateQualifiedNames(fQualifiedNameCheckbox.getEnabled() && fQualifiedNameCheckbox.getSelection());
	}
	}

	private void addUpdateReferenceComponent(Composite result) {
	final JavaMoveProcessor processor= getJavaMoveProcessor();
	if (! processor.canUpdateReferences())
	return;
	fReferenceCheckbox= new Button(result, SWT.CHECK);
	fReferenceCheckbox.setText(ReorgMessages.JdtMoveAction_update_references);
	fReferenceCheckbox.setSelection(processor.getUpdateReferences());
	fReferenceCheckbox.setEnabled(canUpdateReferences());

	fReferenceCheckbox.addSelectionListener(new SelectionAdapter() {
	public void widgetSelected(SelectionEvent e) {
	processor.setUpdateReferences(((Button)e.widget).getSelection());
	updateUIStatus();
	}
	});
	}

	private void addUpdateQualifiedNameComponent(Composite parent, int marginWidth) {
	final JavaMoveProcessor processor= getJavaMoveProcessor();
	if (!processor.canEnableQualifiedNameUpdating() \|\| !processor.canUpdateQualifiedNames())
	return;
	fQualifiedNameCheckbox= new Button(parent, SWT.CHECK);
	int indent= marginWidth + fQualifiedNameCheckbox.computeSize(SWT.DEFAULT, SWT.DEFAULT).x;
	fQualifiedNameCheckbox.setText(RefactoringMessages.RenameInputWizardPage_update_qualified_names);
	fQualifiedNameCheckbox.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
	fQualifiedNameCheckbox.setSelection(processor.getUpdateQualifiedNames());

	fQualifiedNameComponent= new QualifiedNameComponent(parent, SWT.NONE, processor, getRefactoringSettings());
	fQualifiedNameComponent.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
	GridData gd= (GridData)fQualifiedNameComponent.getLayoutData();
	gd.horizontalAlignment= GridData.FILL;
	gd.horizontalIndent= indent;
	updateQualifiedNameUpdating(processor, processor.getUpdateQualifiedNames());

	fQualifiedNameCheckbox.addSelectionListener(new SelectionAdapter() {
	public void widgetSelected(SelectionEvent e) {
	boolean enabled= ((Button)e.widget).getSelection();
	updateQualifiedNameUpdating(processor, enabled);
	}

	});
	}

	private void updateQualifiedNameUpdating(final JavaMoveProcessor processor, boolean enabled) {
	fQualifiedNameComponent.setEnabled(enabled);
	processor.setUpdateQualifiedNames(enabled);
	updateUIStatus();
	}

	public void createControl(Composite parent) {
	Composite result;

	boolean showDestinationTree= ! getJavaMoveProcessor().hasDestinationSet();
	if (showDestinationTree) {
	fCreateTargetQuery= getJavaMoveProcessor().getCreateTargetQuery();
	super.createControl(parent);
	getTreeViewer().getTree().setFocus();
	result= (Composite)super.getControl();
	} else {
	initializeDialogUnits(parent);
	result= new Composite(parent, SWT.NONE);
	setControl(result);
	result.setLayout(new GridLayout());
	Dialog.applyDialogFont(result);
	}
	addUpdateReferenceComponent(result);
	addUpdateQualifiedNameComponent(result, ((GridLayout)result.getLayout()).marginWidth);
	setControl(result);
	Dialog.applyDialogFont(result);
	}

	protected Control addLabel(Composite parent) {
	if (fCreateTargetQuery != null) {
	Composite firstLine= new Composite(parent, SWT.NONE);
	GridLayout layout= new GridLayout(2, false);
	layout.marginHeight= layout.marginWidth= 0;
	firstLine.setLayout(layout);
	firstLine.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

	Control label= super.addLabel(firstLine);
	label.addTraverseListener(new TraverseListener() {
	public void keyTraversed(TraverseEvent e) {
	if (e.detail == SWT.TRAVERSE_MNEMONIC && e.doit) {
	e.detail= SWT.TRAVERSE_NONE;
	getTreeViewer().getTree().setFocus();
	}
	}
	});

	Button newButton= new Button(firstLine, SWT.PUSH);
	newButton.setText(fCreateTargetQuery.getNewButtonLabel());
	GridData gd= new GridData(GridData.HORIZONTAL_ALIGN_END \| GridData.GRAB_HORIZONTAL \| GridData.VERTICAL_ALIGN_BEGINNING);
	gd.widthHint = SWTUtil.getButtonWidthHint(newButton);
	newButton.setLayoutData(gd);
	newButton.addSelectionListener(new SelectionAdapter() {
	public void widgetSelected(SelectionEvent e) {
	doNewButtonPressed();
	}
	});

	return firstLine;

	} else {
	return super.addLabel(parent);
	}
	}

	private boolean canUpdateReferences() {
	return getJavaMoveProcessor().canUpdateReferences();
	}

	private void doNewButtonPressed() {
	Object newElement= fCreateTargetQuery.getCreatedTarget(fDestination);
	if (newElement != null) {
	TreeViewer viewer= getTreeViewer();
	ITreeContentProvider contentProvider= (ITreeContentProvider) viewer.getContentProvider();
	viewer.refresh(contentProvider.getParent(newElement));
	viewer.setSelection(new StructuredSelection(newElement), true);
	viewer.getTree().setFocus();
	}
	}
	}
	}