/*******************************************************************************
* Copyright (c) 2000, 2008 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.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.core.runtime.Assert;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.OperationCanceledException;
import org.eclipse.core.resources.IResource;
import org.eclipse.jface.dialogs.IInputValidator;
import org.eclipse.jface.dialogs.InputDialog;
import org.eclipse.jface.window.Window;
import org.eclipse.jface.wizard.Wizard;
import org.eclipse.ltk.core.refactoring.RefactoringStatus;
import org.eclipse.jdt.core.ICompilationUnit;
import org.eclipse.jdt.core.IJavaElement;
import org.eclipse.jdt.core.IPackageFragment;
import org.eclipse.jdt.core.IPackageFragmentRoot;
import org.eclipse.jdt.core.JavaCore;
import org.eclipse.jdt.internal.corext.refactoring.Checks;
import org.eclipse.jdt.internal.corext.refactoring.rename.RenamePackageProcessor;
import org.eclipse.jdt.internal.corext.refactoring.reorg.INewNameQueries;
import org.eclipse.jdt.internal.corext.refactoring.reorg.INewNameQuery;
import org.eclipse.jdt.internal.corext.util.JavaConventionsUtil;
import org.eclipse.jdt.internal.corext.util.JavaModelUtil;
import org.eclipse.jdt.internal.corext.util.Messages;
import org.eclipse.jdt.ui.JavaElementLabels;
import org.eclipse.jdt.internal.ui.JavaPlugin;
import org.eclipse.jdt.internal.ui.dialogs.TextFieldNavigationHandler;
import org.eclipse.jdt.internal.ui.viewsupport.BasicElementLabels;
public class NewNameQueries implements INewNameQueries {
private static final String INVALID_NAME_NO_MESSAGE= "";//$NON-NLS-1$
private final Wizard fWizard;
private final Shell fShell;
public NewNameQueries() {
fShell= null;
fWizard= null;
}
public NewNameQueries(Wizard wizard) {
fWizard= wizard;
fShell= null;
}
public NewNameQueries(Shell shell) {
fShell = shell;
fWizard= null;
}
private Shell getShell() {
Assert.isTrue(fWizard == null || fShell == null);
if (fWizard != null)
return fWizard.getContainer().getShell();
if (fShell != null)
return fShell;
return JavaPlugin.getActiveWorkbenchShell();
}
public INewNameQuery createNewCompilationUnitNameQuery(ICompilationUnit cu, String initialSuggestedName) {
String[] keys= { BasicElementLabels.getJavaElementName(JavaCore.removeJavaLikeExtension(cu.getElementName()))};
String message= Messages.format(ReorgMessages.ReorgQueries_enterNewNameQuestion, keys);
return createStaticQuery(createCompilationUnitNameValidator(cu), message, initialSuggestedName, getShell());
}
public INewNameQuery createNewResourceNameQuery(IResource res, String initialSuggestedName) {
String[] keys= { BasicElementLabels.getResourceName(res)};
String message= Messages.format(ReorgMessages.ReorgQueries_enterNewNameQuestion, keys);
return createStaticQuery(createResourceNameValidator(res), message, initialSuggestedName, getShell());
}
public INewNameQuery createNewPackageNameQuery(IPackageFragment pack, String initialSuggestedName) {
String[] keys= {JavaElementLabels.getElementLabel(pack, JavaElementLabels.ALL_DEFAULT)};
String message= Messages.format(ReorgMessages.ReorgQueries_enterNewNameQuestion, keys);
return createStaticQuery(createPackageNameValidator(pack), message, initialSuggestedName, getShell());
}
public INewNameQuery createNewPackageFragmentRootNameQuery(IPackageFragmentRoot root, String initialSuggestedName) {
String[] keys= {JavaElementLabels.getElementLabel(root, JavaElementLabels.ALL_DEFAULT)};
String message= Messages.format(ReorgMessages.ReorgQueries_enterNewNameQuestion, keys);
return createStaticQuery(createPackageFragmentRootNameValidator(root), message, initialSuggestedName, getShell());
}
public INewNameQuery createNullQuery(){
return createStaticQuery(null);
}
public INewNameQuery createStaticQuery(final String newName){
return new INewNameQuery(){
public String getNewName() {
return newName;
}
};
}
private static INewNameQuery createStaticQuery(final IInputValidator validator, final String message, final String initial, final Shell shell){
return new INewNameQuery(){
public String getNewName() throws OperationCanceledException {
InputDialog dialog= new InputDialog(shell, ReorgMessages.ReorgQueries_nameConflictMessage, message, initial, validator) {
/* (non-Javadoc)
* @see org.eclipse.jface.dialogs.InputDialog#createDialogArea(org.eclipse.swt.widgets.Composite)
*/
protected Control createDialogArea(Composite parent) {
Control area= super.createDialogArea(parent);
TextFieldNavigationHandler.install(getText());
return area;
}
};
if (dialog.open() == Window.CANCEL)
throw new OperationCanceledException();
return dialog.getValue();
}
};
}
private static IInputValidator createResourceNameValidator(final IResource res){
IInputValidator validator= new IInputValidator(){
public String isValid(String newText) {
if (newText == null || "".equals(newText) || res.getParent() == null) //$NON-NLS-1$
return INVALID_NAME_NO_MESSAGE;
if (res.getParent().findMember(newText) != null)
return ReorgMessages.ReorgQueries_resourceWithThisNameAlreadyExists;
if (! res.getParent().getFullPath().isValidSegment(newText))
return ReorgMessages.ReorgQueries_invalidNameMessage;
IStatus status= res.getParent().getWorkspace().validateName(newText, res.getType());
if (status.getSeverity() == IStatus.ERROR)
return status.getMessage();
if (res.getName().equalsIgnoreCase(newText))
return ReorgMessages.ReorgQueries_resourceExistsWithDifferentCaseMassage;
return null;
}
};
return validator;
}
private static IInputValidator createCompilationUnitNameValidator(final ICompilationUnit cu) {
IInputValidator validator= new IInputValidator(){
public String isValid(String newText) {
if (newText == null || "".equals(newText)) //$NON-NLS-1$
return INVALID_NAME_NO_MESSAGE;
String newCuName= JavaModelUtil.getRenamedCUName(cu, newText);
IStatus status= JavaConventionsUtil.validateCompilationUnitName(newCuName, cu);
if (status.getSeverity() == IStatus.ERROR)
return status.getMessage();
RefactoringStatus refStatus;
refStatus= Checks.checkCompilationUnitNewName(cu, newText);
if (refStatus.hasFatalError())
return refStatus.getMessageMatchingSeverity(RefactoringStatus.FATAL);
if (cu.getElementName().equalsIgnoreCase(newCuName))
return ReorgMessages.ReorgQueries_resourceExistsWithDifferentCaseMassage;
return null;
}
};
return validator;
}
private static IInputValidator createPackageFragmentRootNameValidator(final IPackageFragmentRoot root) {
return new IInputValidator() {
IInputValidator resourceNameValidator= createResourceNameValidator(root.getResource());
public String isValid(String newText) {
return resourceNameValidator.isValid(newText);
}
};
}
private static IInputValidator createPackageNameValidator(final IPackageFragment pack) {
IInputValidator validator= new IInputValidator(){
public String isValid(String newText) {
if (newText == null || "".equals(newText)) //$NON-NLS-1$
return INVALID_NAME_NO_MESSAGE;
IStatus status= JavaConventionsUtil.validatePackageName(newText, pack);
if (status.getSeverity() == IStatus.ERROR)
return status.getMessage();
IJavaElement parent= pack.getParent();
try {
if (parent instanceof IPackageFragmentRoot){
if (! RenamePackageProcessor.isPackageNameOkInRoot(newText, (IPackageFragmentRoot)parent))
return ReorgMessages.ReorgQueries_packagewithThatNameexistsMassage;
}
} catch (CoreException e) {
return INVALID_NAME_NO_MESSAGE;
}
if (pack.getElementName().equalsIgnoreCase(newText))
return ReorgMessages.ReorgQueries_resourceExistsWithDifferentCaseMassage;
return null;
}
};
return validator;
}
}