org.eclipse.jdt.ui/ui refactoring/org/eclipse/jdt/internal/ui/refactoring/nls/NLSAccessorConfigurationDialog.java - jdt/eclipse.jdt.ui - Git at Google

 /*******************************************************************************
  * Copyright (c) 2000, 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.jdt.internal.ui.refactoring.nls;

 import java.util.ArrayList;
 import java.util.List;

 import org.eclipse.core.runtime.IPath;
 import org.eclipse.core.runtime.IStatus;
 import org.eclipse.core.runtime.Path;

 import org.eclipse.core.resources.IFile;

 import org.eclipse.swt.SWT;
 import org.eclipse.swt.layout.GridLayout;
 import org.eclipse.swt.widgets.Composite;
 import org.eclipse.swt.widgets.Control;
 import org.eclipse.swt.widgets.Label;
 import org.eclipse.swt.widgets.Shell;
 import org.eclipse.swt.widgets.Text;

 import org.eclipse.jface.dialogs.Dialog;
 import org.eclipse.jface.dialogs.StatusDialog;
 import org.eclipse.jface.window.Window;

 import org.eclipse.ui.PlatformUI;
 import org.eclipse.ui.dialogs.ElementListSelectionDialog;
 import org.eclipse.ui.progress.IProgressService;

 import org.eclipse.jdt.core.ICompilationUnit;
 import org.eclipse.jdt.core.IJavaElement;
 import org.eclipse.jdt.core.IJavaProject;
 import org.eclipse.jdt.core.IPackageFragment;
 import org.eclipse.jdt.core.IPackageFragmentRoot;
 import org.eclipse.jdt.core.IType;
 import org.eclipse.jdt.core.JavaConventions;
 import org.eclipse.jdt.core.JavaModelException;
 import org.eclipse.jdt.core.search.IJavaSearchConstants;
 import org.eclipse.jdt.core.search.IJavaSearchScope;
 import org.eclipse.jdt.core.search.SearchEngine;

 import org.eclipse.jdt.internal.corext.refactoring.nls.NLSRefactoring;
 import org.eclipse.jdt.internal.corext.util.Messages;

 import org.eclipse.jdt.ui.JavaElementLabelProvider;

 import org.eclipse.jdt.internal.ui.IJavaHelpContextIds;
 import org.eclipse.jdt.internal.ui.dialogs.StatusInfo;
 import org.eclipse.jdt.internal.ui.dialogs.StatusUtil;
 import org.eclipse.jdt.internal.ui.dialogs.TextFieldNavigationHandler;
 import org.eclipse.jdt.internal.ui.dialogs.TypeSelectionDialog2;
 import org.eclipse.jdt.internal.ui.util.ExceptionHandler;
 import org.eclipse.jdt.internal.ui.wizards.dialogfields.DialogField;
 import org.eclipse.jdt.internal.ui.wizards.dialogfields.IDialogFieldListener;
 import org.eclipse.jdt.internal.ui.wizards.dialogfields.IStringButtonAdapter;
 import org.eclipse.jdt.internal.ui.wizards.dialogfields.LayoutUtil;
 import org.eclipse.jdt.internal.ui.wizards.dialogfields.Separator;
 import org.eclipse.jdt.internal.ui.wizards.dialogfields.StringButtonDialogField;
 import org.eclipse.jdt.internal.ui.wizards.dialogfields.StringDialogField;

 public class NLSAccessorConfigurationDialog extends StatusDialog {


 	private SourceFirstPackageSelectionDialogField fResourceBundlePackage;
 	private StringButtonDialogField fResourceBundleFile;
 	private SourceFirstPackageSelectionDialogField fAccessorPackage;
 	private StringDialogField fAccessorClassName;
 	private StringDialogField fSubstitutionPattern;

 	private NLSRefactoring fRefactoring;

 	private IStatus[] fStati;

 	private static final int IDX_ACCESSOR_CLASS= 0;
 	private static final int IDX_ACCESSOR_PACKAGE= 1;
 	private static final int IDX_SUBST_PATTERN= 2;
 	private static final int IDX_BUNDLE_NAME= 3;
 	private static final int IDX_BUNDLE_PACKAGE= 4;

 	private class AccessorAdapter implements IDialogFieldListener, IStringButtonAdapter {
 		public void dialogFieldChanged(DialogField field) {
 			validateAll();
 		}

 		public void changeControlPressed(DialogField field) {
 			if (field == fResourceBundleFile) {
 				browseForPropertyFile();
 			} else if (field == fAccessorClassName) {
 				browseForAccessorClass();
 			}
 		}
 	}


 	public NLSAccessorConfigurationDialog(Shell parent, NLSRefactoring refactoring) {
 		super(parent);
 		setShellStyle(getShellStyle() | SWT.RESIZE);

 		fRefactoring= refactoring;
 		fStati= new IStatus[] { StatusInfo.OK_STATUS, StatusInfo.OK_STATUS, StatusInfo.OK_STATUS, StatusInfo.OK_STATUS, StatusInfo.OK_STATUS };

 		setTitle(NLSUIMessages.NLSAccessorConfigurationDialog_title);

 		AccessorAdapter updateListener= new AccessorAdapter();

 		ICompilationUnit cu= refactoring.getCu();

 		fAccessorPackage= new SourceFirstPackageSelectionDialogField(NLSUIMessages.NLSAccessorConfigurationDialog_accessor_path,
 				NLSUIMessages.NLSAccessorConfigurationDialog_accessor_package,
 				NLSUIMessages.NLSAccessorConfigurationDialog_browse1,
 				NLSUIMessages.NLSAccessorConfigurationDialog_browse2,
 				NLSUIMessages.NLSAccessorConfigurationDialog_default_package,
 				NLSUIMessages.NLSAccessorConfigurationDialog_accessor_dialog_title,
 				NLSUIMessages.NLSAccessorConfigurationDialog_accessor_dialog_message,
 				NLSUIMessages.NLSAccessorConfigurationDialog_accessor_dialog_emtpyMessage,
 				cu, updateListener, refactoring.getAccessorClassPackage());

 		fAccessorClassName= createStringButtonField(NLSUIMessages.NLSAccessorConfigurationDialog_className,
 				NLSUIMessages.NLSAccessorConfigurationDialog_browse6, updateListener);
 		fSubstitutionPattern= createStringField(NLSUIMessages.NLSAccessorConfigurationDialog_substitutionPattern, updateListener);

 		fResourceBundlePackage= new SourceFirstPackageSelectionDialogField(NLSUIMessages.NLSAccessorConfigurationDialog_property_path,
 				NLSUIMessages.NLSAccessorConfigurationDialog_property_package,
 				NLSUIMessages.NLSAccessorConfigurationDialog_browse3,
 				NLSUIMessages.NLSAccessorConfigurationDialog_browse4,
 				NLSUIMessages.NLSAccessorConfigurationDialog_default_package,
 				NLSUIMessages.NLSAccessorConfigurationDialog_property_dialog_title,
 				NLSUIMessages.NLSAccessorConfigurationDialog_property_dialog_message,
 				NLSUIMessages.NLSAccessorConfigurationDialog_property_dialog_emptyMessage,
 				cu, updateListener, fRefactoring.getResourceBundlePackage());

 		fResourceBundleFile= createStringButtonField(NLSUIMessages.NLSAccessorConfigurationDialog_property_file_name,
 				NLSUIMessages.NLSAccessorConfigurationDialog_browse5, updateListener);

 		initFields();
 	}

 	private void initFields() {
 		initAccessorClassFields();
 		String resourceBundleName= fRefactoring.getResourceBundleName();
 		fResourceBundleFile.setText(resourceBundleName != null ? resourceBundleName : (NLSRefactoring.DEFAULT_PROPERTY_FILENAME + NLSRefactoring.PROPERTY_FILE_EXT));
 	}

 	private void initAccessorClassFields() {
 		String accessorClassName= fRefactoring.getAccessorClassName();

 		if (accessorClassName == null) {
 			accessorClassName= NLSRefactoring.DEFAULT_ACCESSOR_CLASSNAME;
 		}
 		fAccessorClassName.setText(accessorClassName);

 		fSubstitutionPattern.setText(fRefactoring.getSubstitutionPattern());
 	}

 	protected Control createDialogArea(Composite ancestor) {
 		Composite parent= (Composite) super.createDialogArea(ancestor);

 		final int nOfColumns= 4;

 		initializeDialogUnits(ancestor);

 		GridLayout layout= (GridLayout) parent.getLayout();
 		layout.numColumns= nOfColumns;
 		parent.setLayout(layout);

 		createAccessorPart(parent, nOfColumns, convertWidthInCharsToPixels(40));

 		Separator s= new Separator(SWT.SEPARATOR | SWT.HORIZONTAL);
 		s.doFillIntoGrid(parent, nOfColumns);

 		createPropertyPart(parent, nOfColumns, convertWidthInCharsToPixels(40));

 		Dialog.applyDialogFont(parent);
 		PlatformUI.getWorkbench().getHelpSystem().setHelp(parent, IJavaHelpContextIds.EXTERNALIZE_WIZARD_PROPERTIES_FILE_PAGE);
 		validateAll();
 		return parent;
 	}


 	private void createAccessorPart(Composite parent, final int nOfColumns, int textWidth) {

 		createLabel(parent, NLSUIMessages.NLSAccessorConfigurationDialog_resourceBundle_title, nOfColumns);
 		fAccessorPackage.createControl(parent, nOfColumns, textWidth);

 		fAccessorClassName.doFillIntoGrid(parent, nOfColumns);
 		Text accessorClassText= fAccessorClassName.getTextControl(null);
 		LayoutUtil.setWidthHint(accessorClassText, convertWidthInCharsToPixels(60));
 		TextFieldNavigationHandler.install(accessorClassText);

 		fSubstitutionPattern.doFillIntoGrid(parent, nOfColumns);
 		Text substitutionPatternText= fSubstitutionPattern.getTextControl(null);
 		LayoutUtil.setWidthHint(substitutionPatternText, convertWidthInCharsToPixels(60));
 		TextFieldNavigationHandler.install(substitutionPatternText);

 		fSubstitutionPattern.setEnabled(!fRefactoring.isEclipseNLS());
 	}

 	private void createPropertyPart(Composite parent, final int nOfColumns, final int textWidth) {
 		Separator label= new Separator(SWT.NONE);
 		((Label) label.getSeparator(parent)).setText(NLSUIMessages.NLSAccessorConfigurationDialog_property_location);
 		label.doFillIntoGrid(parent, nOfColumns, 20);
 		fResourceBundlePackage.createControl(parent, nOfColumns, textWidth);

 		fResourceBundleFile.doFillIntoGrid(parent, nOfColumns);
 		LayoutUtil.setWidthHint(fResourceBundleFile.getTextControl(null), convertWidthInCharsToPixels(60));
 	}

 	private void createLabel(Composite parent, final String text, final int N_OF_COLUMNS) {
 		Separator label= new Separator(SWT.NONE);
 		((Label) label.getSeparator(parent)).setText(text);
 		label.doFillIntoGrid(parent, N_OF_COLUMNS, 20);
 	}

 	private void browseForPropertyFile() {
 		ElementListSelectionDialog dialog= new ElementListSelectionDialog(getShell(), new JavaElementLabelProvider());
 		dialog.setIgnoreCase(false);
 		dialog.setTitle(NLSUIMessages.NLSAccessorConfigurationDialog_Property_File_Selection);
 		dialog.setMessage(NLSUIMessages.NLSAccessorConfigurationDialog_Choose_the_property_file);
 		dialog.setElements(createFileListInput());
 		dialog.setFilter('*' + NLSRefactoring.PROPERTY_FILE_EXT);
 		if (dialog.open() == Window.OK) {
 			IFile selectedFile= (IFile) dialog.getFirstResult();
 			if (selectedFile != null)
 				fResourceBundleFile.setText(selectedFile.getName());
 		}
 	}

 	protected void browseForAccessorClass() {
 		IProgressService service= PlatformUI.getWorkbench().getProgressService();
 		IPackageFragmentRoot root= fAccessorPackage.getSelectedFragmentRoot();

 		IJavaSearchScope scope= root != null ? SearchEngine.createJavaSearchScope(new IJavaElement[] { root }) : SearchEngine.createWorkspaceScope();

 		TypeSelectionDialog2 dialog= new TypeSelectionDialog2(getShell(), false,
 			service, scope, IJavaSearchConstants.CLASS);
 		dialog.setTitle(NLSUIMessages.NLSAccessorConfigurationDialog_Accessor_Selection);
 		dialog.setMessage(NLSUIMessages.NLSAccessorConfigurationDialog_Choose_the_accessor_file);
 		dialog.setFilter("*Messages"); //$NON-NLS-1$
 		if (dialog.open() == Window.OK) {
 			IType selectedType= (IType) dialog.getFirstResult();
 			if (selectedType != null) {
 				fAccessorClassName.setText(selectedType.getElementName());
 				fAccessorPackage.setSelected(selectedType.getPackageFragment());
 			}
 		}


 	}

 	private Object[] createFileListInput() {
 		try {

 			IPackageFragment fPkgFragment= fResourceBundlePackage.getSelected();
 			if (fPkgFragment == null)
 				return new Object[0];
 			List result= new ArrayList(1);
 			Object[] nonjava= fPkgFragment.getNonJavaResources();
 			for (int i= 0; i < nonjava.length; i++) {
 				if (isPropertyFile(nonjava[i]))
 					result.add(nonjava[i]);
 			}
 			return result.toArray();

 		} catch (JavaModelException e) {
 			ExceptionHandler.handle(e, NLSUIMessages.NLSAccessorConfigurationDialog_externalizing, NLSUIMessages .NLSAccessorConfigurationDialog_exception);
 			return new Object[0];
 		}
 	}

 	private static boolean isPropertyFile(Object o) {
 		if (!(o instanceof IFile))
 			return false;
 		IFile file= (IFile) o;
 		return (NLSRefactoring.PROPERTY_FILE_EXT.equals('.' + file.getFileExtension()));
 	}

 	/**
 	 * checks all entered values delegates to the specific validate methods these methods
 	 * update the refactoring
 	 */
 	private void validateAll() {
 		validateSubstitutionPattern();

 		validateAccessorClassName();
 		checkPackageFragment();

 		validatePropertyFilename();
 		validatePropertyPackage();

 		updateStatus(StatusUtil.getMostSevere(fStati));
 	}

 	private void validateAccessorClassName() {
 		String className= fAccessorClassName.getText();

 		IStatus status= JavaConventions.validateJavaTypeName(className);
 		if (status.getSeverity() == IStatus.ERROR) {
 			setInvalid(IDX_ACCESSOR_CLASS, status.getMessage());
 			return;
 		}

 		if (className.indexOf('.') != -1) {
 			setInvalid(IDX_ACCESSOR_CLASS, NLSUIMessages.NLSAccessorConfigurationDialog_no_dot);
 			return;
 		}

 		setValid(IDX_ACCESSOR_CLASS);
 	}

 	private void validatePropertyFilename() {
 		String fileName= fResourceBundleFile.getText();
 		if ((fileName == null) || (fileName.length() == 0)) {
 			setInvalid(IDX_BUNDLE_NAME, NLSUIMessages.NLSAccessorConfigurationDialog_enter_name);
 			return;
 		}

 		if (!fileName.endsWith(NLSRefactoring.PROPERTY_FILE_EXT)) {
 			setInvalid(IDX_BUNDLE_NAME, Messages.format(NLSUIMessages.NLSAccessorConfigurationDialog_file_name_must_end, NLSRefactoring.PROPERTY_FILE_EXT));
 			return;
 		}

 		setValid(IDX_BUNDLE_NAME);
 	}

 	private void validatePropertyPackage() {

 		IPackageFragmentRoot root= fResourceBundlePackage.getSelectedFragmentRoot();
 		if ((root == null) || !root.exists()) {
 			setInvalid(IDX_BUNDLE_PACKAGE, NLSUIMessages.NLSAccessorConfigurationDialog_property_package_root_invalid);
 			return;
 		}

 		IPackageFragment fragment= fResourceBundlePackage.getSelected();
 		if ((fragment == null) || !fragment.exists()) {
 			setInvalid(IDX_BUNDLE_PACKAGE, NLSUIMessages.NLSAccessorConfigurationDialog_property_package_invalid);
 			return;
 		}

 		String pkgName= fragment.getElementName();

 		IStatus status= JavaConventions.validatePackageName(pkgName);
 		if ((pkgName.length() > 0) && (status.getSeverity() == IStatus.ERROR)) {
 			setInvalid(IDX_BUNDLE_PACKAGE, status.getMessage());
 			return;
 		}

 		IPath pkgPath= new Path(pkgName.replace('.', IPath.SEPARATOR)).makeRelative();

 		IJavaProject project= fRefactoring.getCu().getJavaProject();
 		try {
 			IJavaElement element= project.findElement(pkgPath);
 			if (element == null || !element.exists()) {
 				setInvalid(IDX_BUNDLE_PACKAGE, NLSUIMessages.NLSAccessorConfigurationDialog_must_exist);
 				return;
 			}
 			IPackageFragment fPkgFragment= (IPackageFragment) element;
 			if (!PackageBrowseAdapter.canAddPackage(fPkgFragment)) {
 				setInvalid(IDX_BUNDLE_PACKAGE, NLSUIMessages.NLSAccessorConfigurationDialog_incorrect_package);
 				return;
 			}
 			if (!PackageBrowseAdapter.canAddPackageRoot((IPackageFragmentRoot) fPkgFragment.getParent())) {
 				setInvalid(IDX_BUNDLE_PACKAGE, NLSUIMessages.NLSAccessorConfigurationDialog_incorrect_package);
 				return;
 			}
 		} catch (JavaModelException e) {
 			setInvalid(IDX_BUNDLE_PACKAGE, e.getStatus().getMessage());
 			return;
 		}

 		setValid(IDX_BUNDLE_PACKAGE);
 	}

 	private void checkPackageFragment() {
 		IPackageFragmentRoot root= fAccessorPackage.getSelectedFragmentRoot();
 		if ((root == null) || !root.exists()) {
 			setInvalid(IDX_ACCESSOR_PACKAGE, NLSUIMessages.NLSAccessorConfigurationDialog_accessor_package_root_invalid);
 			return;
 		}

 		IPackageFragment fragment= fAccessorPackage.getSelected();
 		if ((fragment == null) || !fragment.exists()) {
 			setInvalid(IDX_ACCESSOR_PACKAGE, NLSUIMessages.NLSAccessorConfigurationDialog_accessor_package_invalid);
 			return;
 		}
 		setValid(IDX_ACCESSOR_PACKAGE);
 	}

 	private void validateSubstitutionPattern() {
 		if ((fSubstitutionPattern.getText() == null) || (fSubstitutionPattern.getText().length() == 0)) {
 			setInvalid(IDX_SUBST_PATTERN, NLSUIMessages.NLSAccessorConfigurationDialog_substitution_pattern_missing);
 		} else {
 			setValid(IDX_SUBST_PATTERN);
 		}
 	}

 	private void setInvalid(int idx, String msg) {
 		fStati[idx]= new StatusInfo(IStatus.ERROR, msg);
 	}

 	private void setValid(int idx) {
 		fStati[idx]= StatusInfo.OK_STATUS;
 	}

 	/* (non-Javadoc)
 	 * @see org.eclipse.jface.dialogs.Dialog#okPressed()
 	 */
 	protected void okPressed() {
 		updateRefactoring();
 		super.okPressed();
 	}


 	void updateRefactoring() {
 		fRefactoring.setAccessorClassPackage(fAccessorPackage.getSelected());
 		fRefactoring.setAccessorClassName(fAccessorClassName.getText());

 		fRefactoring.setResourceBundleName(fResourceBundleFile.getText());
 		fRefactoring.setResourceBundlePackage(fResourceBundlePackage.getSelected());

 		if (!fRefactoring.isEclipseNLS())
 			fRefactoring.setSubstitutionPattern(fSubstitutionPattern.getText());

 		fRefactoring.setIsEclipseNLS(fRefactoring.detectIsEclipseNLS());
 	}

 	private StringDialogField createStringField(String label, AccessorAdapter updateListener) {
 		StringDialogField field= new StringDialogField();
 		field.setDialogFieldListener(updateListener);
 		field.setLabelText(label);
 		return field;
 	}

 	private StringButtonDialogField createStringButtonField(String label, String button, AccessorAdapter adapter) {
 		StringButtonDialogField field= new StringButtonDialogField(adapter);
 		field.setDialogFieldListener(adapter);
 		field.setLabelText(label);
 		field.setButtonLabel(button);
 		return field;
 	}

 }
	/*******************************************************************************
	* Copyright (c) 2000, 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.jdt.internal.ui.refactoring.nls;

	import java.util.ArrayList;
	import java.util.List;

	import org.eclipse.core.runtime.IPath;
	import org.eclipse.core.runtime.IStatus;
	import org.eclipse.core.runtime.Path;

	import org.eclipse.core.resources.IFile;

	import org.eclipse.swt.SWT;
	import org.eclipse.swt.layout.GridLayout;
	import org.eclipse.swt.widgets.Composite;
	import org.eclipse.swt.widgets.Control;
	import org.eclipse.swt.widgets.Label;
	import org.eclipse.swt.widgets.Shell;
	import org.eclipse.swt.widgets.Text;

	import org.eclipse.jface.dialogs.Dialog;
	import org.eclipse.jface.dialogs.StatusDialog;
	import org.eclipse.jface.window.Window;

	import org.eclipse.ui.PlatformUI;
	import org.eclipse.ui.dialogs.ElementListSelectionDialog;
	import org.eclipse.ui.progress.IProgressService;

	import org.eclipse.jdt.core.ICompilationUnit;
	import org.eclipse.jdt.core.IJavaElement;
	import org.eclipse.jdt.core.IJavaProject;
	import org.eclipse.jdt.core.IPackageFragment;
	import org.eclipse.jdt.core.IPackageFragmentRoot;
	import org.eclipse.jdt.core.IType;
	import org.eclipse.jdt.core.JavaConventions;
	import org.eclipse.jdt.core.JavaModelException;
	import org.eclipse.jdt.core.search.IJavaSearchConstants;
	import org.eclipse.jdt.core.search.IJavaSearchScope;
	import org.eclipse.jdt.core.search.SearchEngine;

	import org.eclipse.jdt.internal.corext.refactoring.nls.NLSRefactoring;
	import org.eclipse.jdt.internal.corext.util.Messages;

	import org.eclipse.jdt.ui.JavaElementLabelProvider;

	import org.eclipse.jdt.internal.ui.IJavaHelpContextIds;
	import org.eclipse.jdt.internal.ui.dialogs.StatusInfo;
	import org.eclipse.jdt.internal.ui.dialogs.StatusUtil;
	import org.eclipse.jdt.internal.ui.dialogs.TextFieldNavigationHandler;
	import org.eclipse.jdt.internal.ui.dialogs.TypeSelectionDialog2;
	import org.eclipse.jdt.internal.ui.util.ExceptionHandler;
	import org.eclipse.jdt.internal.ui.wizards.dialogfields.DialogField;
	import org.eclipse.jdt.internal.ui.wizards.dialogfields.IDialogFieldListener;
	import org.eclipse.jdt.internal.ui.wizards.dialogfields.IStringButtonAdapter;
	import org.eclipse.jdt.internal.ui.wizards.dialogfields.LayoutUtil;
	import org.eclipse.jdt.internal.ui.wizards.dialogfields.Separator;
	import org.eclipse.jdt.internal.ui.wizards.dialogfields.StringButtonDialogField;
	import org.eclipse.jdt.internal.ui.wizards.dialogfields.StringDialogField;

	public class NLSAccessorConfigurationDialog extends StatusDialog {


	private SourceFirstPackageSelectionDialogField fResourceBundlePackage;
	private StringButtonDialogField fResourceBundleFile;
	private SourceFirstPackageSelectionDialogField fAccessorPackage;
	private StringDialogField fAccessorClassName;
	private StringDialogField fSubstitutionPattern;

	private NLSRefactoring fRefactoring;

	private IStatus[] fStati;

	private static final int IDX_ACCESSOR_CLASS= 0;
	private static final int IDX_ACCESSOR_PACKAGE= 1;
	private static final int IDX_SUBST_PATTERN= 2;
	private static final int IDX_BUNDLE_NAME= 3;
	private static final int IDX_BUNDLE_PACKAGE= 4;

	private class AccessorAdapter implements IDialogFieldListener, IStringButtonAdapter {
	public void dialogFieldChanged(DialogField field) {
	validateAll();
	}

	public void changeControlPressed(DialogField field) {
	if (field == fResourceBundleFile) {
	browseForPropertyFile();
	} else if (field == fAccessorClassName) {
	browseForAccessorClass();
	}
	}
	}


	public NLSAccessorConfigurationDialog(Shell parent, NLSRefactoring refactoring) {
	super(parent);
	setShellStyle(getShellStyle() \| SWT.RESIZE);

	fRefactoring= refactoring;
	fStati= new IStatus[] { StatusInfo.OK_STATUS, StatusInfo.OK_STATUS, StatusInfo.OK_STATUS, StatusInfo.OK_STATUS, StatusInfo.OK_STATUS };

	setTitle(NLSUIMessages.NLSAccessorConfigurationDialog_title);

	AccessorAdapter updateListener= new AccessorAdapter();

	ICompilationUnit cu= refactoring.getCu();

	fAccessorPackage= new SourceFirstPackageSelectionDialogField(NLSUIMessages.NLSAccessorConfigurationDialog_accessor_path,
	NLSUIMessages.NLSAccessorConfigurationDialog_accessor_package,
	NLSUIMessages.NLSAccessorConfigurationDialog_browse1,
	NLSUIMessages.NLSAccessorConfigurationDialog_browse2,
	NLSUIMessages.NLSAccessorConfigurationDialog_default_package,
	NLSUIMessages.NLSAccessorConfigurationDialog_accessor_dialog_title,
	NLSUIMessages.NLSAccessorConfigurationDialog_accessor_dialog_message,
	NLSUIMessages.NLSAccessorConfigurationDialog_accessor_dialog_emtpyMessage,
	cu, updateListener, refactoring.getAccessorClassPackage());

	fAccessorClassName= createStringButtonField(NLSUIMessages.NLSAccessorConfigurationDialog_className,
	NLSUIMessages.NLSAccessorConfigurationDialog_browse6, updateListener);
	fSubstitutionPattern= createStringField(NLSUIMessages.NLSAccessorConfigurationDialog_substitutionPattern, updateListener);

	fResourceBundlePackage= new SourceFirstPackageSelectionDialogField(NLSUIMessages.NLSAccessorConfigurationDialog_property_path,
	NLSUIMessages.NLSAccessorConfigurationDialog_property_package,
	NLSUIMessages.NLSAccessorConfigurationDialog_browse3,
	NLSUIMessages.NLSAccessorConfigurationDialog_browse4,
	NLSUIMessages.NLSAccessorConfigurationDialog_default_package,
	NLSUIMessages.NLSAccessorConfigurationDialog_property_dialog_title,
	NLSUIMessages.NLSAccessorConfigurationDialog_property_dialog_message,
	NLSUIMessages.NLSAccessorConfigurationDialog_property_dialog_emptyMessage,
	cu, updateListener, fRefactoring.getResourceBundlePackage());

	fResourceBundleFile= createStringButtonField(NLSUIMessages.NLSAccessorConfigurationDialog_property_file_name,
	NLSUIMessages.NLSAccessorConfigurationDialog_browse5, updateListener);

	initFields();
	}

	private void initFields() {
	initAccessorClassFields();
	String resourceBundleName= fRefactoring.getResourceBundleName();
	fResourceBundleFile.setText(resourceBundleName != null ? resourceBundleName : (NLSRefactoring.DEFAULT_PROPERTY_FILENAME + NLSRefactoring.PROPERTY_FILE_EXT));
	}

	private void initAccessorClassFields() {
	String accessorClassName= fRefactoring.getAccessorClassName();

	if (accessorClassName == null) {
	accessorClassName= NLSRefactoring.DEFAULT_ACCESSOR_CLASSNAME;
	}
	fAccessorClassName.setText(accessorClassName);

	fSubstitutionPattern.setText(fRefactoring.getSubstitutionPattern());
	}

	protected Control createDialogArea(Composite ancestor) {
	Composite parent= (Composite) super.createDialogArea(ancestor);

	final int nOfColumns= 4;

	initializeDialogUnits(ancestor);

	GridLayout layout= (GridLayout) parent.getLayout();
	layout.numColumns= nOfColumns;
	parent.setLayout(layout);

	createAccessorPart(parent, nOfColumns, convertWidthInCharsToPixels(40));

	Separator s= new Separator(SWT.SEPARATOR \| SWT.HORIZONTAL);
	s.doFillIntoGrid(parent, nOfColumns);

	createPropertyPart(parent, nOfColumns, convertWidthInCharsToPixels(40));

	Dialog.applyDialogFont(parent);
	PlatformUI.getWorkbench().getHelpSystem().setHelp(parent, IJavaHelpContextIds.EXTERNALIZE_WIZARD_PROPERTIES_FILE_PAGE);
	validateAll();
	return parent;
	}


	private void createAccessorPart(Composite parent, final int nOfColumns, int textWidth) {

	createLabel(parent, NLSUIMessages.NLSAccessorConfigurationDialog_resourceBundle_title, nOfColumns);
	fAccessorPackage.createControl(parent, nOfColumns, textWidth);

	fAccessorClassName.doFillIntoGrid(parent, nOfColumns);
	Text accessorClassText= fAccessorClassName.getTextControl(null);
	LayoutUtil.setWidthHint(accessorClassText, convertWidthInCharsToPixels(60));
	TextFieldNavigationHandler.install(accessorClassText);

	fSubstitutionPattern.doFillIntoGrid(parent, nOfColumns);
	Text substitutionPatternText= fSubstitutionPattern.getTextControl(null);
	LayoutUtil.setWidthHint(substitutionPatternText, convertWidthInCharsToPixels(60));
	TextFieldNavigationHandler.install(substitutionPatternText);

	fSubstitutionPattern.setEnabled(!fRefactoring.isEclipseNLS());
	}

	private void createPropertyPart(Composite parent, final int nOfColumns, final int textWidth) {
	Separator label= new Separator(SWT.NONE);
	((Label) label.getSeparator(parent)).setText(NLSUIMessages.NLSAccessorConfigurationDialog_property_location);
	label.doFillIntoGrid(parent, nOfColumns, 20);
	fResourceBundlePackage.createControl(parent, nOfColumns, textWidth);

	fResourceBundleFile.doFillIntoGrid(parent, nOfColumns);
	LayoutUtil.setWidthHint(fResourceBundleFile.getTextControl(null), convertWidthInCharsToPixels(60));
	}

	private void createLabel(Composite parent, final String text, final int N_OF_COLUMNS) {
	Separator label= new Separator(SWT.NONE);
	((Label) label.getSeparator(parent)).setText(text);
	label.doFillIntoGrid(parent, N_OF_COLUMNS, 20);
	}

	private void browseForPropertyFile() {
	ElementListSelectionDialog dialog= new ElementListSelectionDialog(getShell(), new JavaElementLabelProvider());
	dialog.setIgnoreCase(false);
	dialog.setTitle(NLSUIMessages.NLSAccessorConfigurationDialog_Property_File_Selection);
	dialog.setMessage(NLSUIMessages.NLSAccessorConfigurationDialog_Choose_the_property_file);
	dialog.setElements(createFileListInput());
	dialog.setFilter('*' + NLSRefactoring.PROPERTY_FILE_EXT);
	if (dialog.open() == Window.OK) {
	IFile selectedFile= (IFile) dialog.getFirstResult();
	if (selectedFile != null)
	fResourceBundleFile.setText(selectedFile.getName());
	}
	}

	protected void browseForAccessorClass() {
	IProgressService service= PlatformUI.getWorkbench().getProgressService();
	IPackageFragmentRoot root= fAccessorPackage.getSelectedFragmentRoot();

	IJavaSearchScope scope= root != null ? SearchEngine.createJavaSearchScope(new IJavaElement[] { root }) : SearchEngine.createWorkspaceScope();

	TypeSelectionDialog2 dialog= new TypeSelectionDialog2(getShell(), false,
	service, scope, IJavaSearchConstants.CLASS);
	dialog.setTitle(NLSUIMessages.NLSAccessorConfigurationDialog_Accessor_Selection);
	dialog.setMessage(NLSUIMessages.NLSAccessorConfigurationDialog_Choose_the_accessor_file);
	dialog.setFilter("*Messages"); //$NON-NLS-1$
	if (dialog.open() == Window.OK) {
	IType selectedType= (IType) dialog.getFirstResult();
	if (selectedType != null) {
	fAccessorClassName.setText(selectedType.getElementName());
	fAccessorPackage.setSelected(selectedType.getPackageFragment());
	}
	}


	}

	private Object[] createFileListInput() {
	try {

	IPackageFragment fPkgFragment= fResourceBundlePackage.getSelected();
	if (fPkgFragment == null)
	return new Object[0];
	List result= new ArrayList(1);
	Object[] nonjava= fPkgFragment.getNonJavaResources();
	for (int i= 0; i < nonjava.length; i++) {
	if (isPropertyFile(nonjava[i]))
	result.add(nonjava[i]);
	}
	return result.toArray();

	} catch (JavaModelException e) {
	ExceptionHandler.handle(e, NLSUIMessages.NLSAccessorConfigurationDialog_externalizing, NLSUIMessages .NLSAccessorConfigurationDialog_exception);
	return new Object[0];
	}
	}

	private static boolean isPropertyFile(Object o) {
	if (!(o instanceof IFile))
	return false;
	IFile file= (IFile) o;
	return (NLSRefactoring.PROPERTY_FILE_EXT.equals('.' + file.getFileExtension()));
	}

	/**
	* checks all entered values delegates to the specific validate methods these methods
	* update the refactoring
	*/
	private void validateAll() {
	validateSubstitutionPattern();

	validateAccessorClassName();
	checkPackageFragment();

	validatePropertyFilename();
	validatePropertyPackage();

	updateStatus(StatusUtil.getMostSevere(fStati));
	}

	private void validateAccessorClassName() {
	String className= fAccessorClassName.getText();

	IStatus status= JavaConventions.validateJavaTypeName(className);
	if (status.getSeverity() == IStatus.ERROR) {
	setInvalid(IDX_ACCESSOR_CLASS, status.getMessage());
	return;
	}

	if (className.indexOf('.') != -1) {
	setInvalid(IDX_ACCESSOR_CLASS, NLSUIMessages.NLSAccessorConfigurationDialog_no_dot);
	return;
	}

	setValid(IDX_ACCESSOR_CLASS);
	}

	private void validatePropertyFilename() {
	String fileName= fResourceBundleFile.getText();
	if ((fileName == null) \|\| (fileName.length() == 0)) {
	setInvalid(IDX_BUNDLE_NAME, NLSUIMessages.NLSAccessorConfigurationDialog_enter_name);
	return;
	}

	if (!fileName.endsWith(NLSRefactoring.PROPERTY_FILE_EXT)) {
	setInvalid(IDX_BUNDLE_NAME, Messages.format(NLSUIMessages.NLSAccessorConfigurationDialog_file_name_must_end, NLSRefactoring.PROPERTY_FILE_EXT));
	return;
	}

	setValid(IDX_BUNDLE_NAME);
	}

	private void validatePropertyPackage() {

	IPackageFragmentRoot root= fResourceBundlePackage.getSelectedFragmentRoot();
	if ((root == null) \|\| !root.exists()) {
	setInvalid(IDX_BUNDLE_PACKAGE, NLSUIMessages.NLSAccessorConfigurationDialog_property_package_root_invalid);
	return;
	}

	IPackageFragment fragment= fResourceBundlePackage.getSelected();
	if ((fragment == null) \|\| !fragment.exists()) {
	setInvalid(IDX_BUNDLE_PACKAGE, NLSUIMessages.NLSAccessorConfigurationDialog_property_package_invalid);
	return;
	}

	String pkgName= fragment.getElementName();

	IStatus status= JavaConventions.validatePackageName(pkgName);
	if ((pkgName.length() > 0) && (status.getSeverity() == IStatus.ERROR)) {
	setInvalid(IDX_BUNDLE_PACKAGE, status.getMessage());
	return;
	}

	IPath pkgPath= new Path(pkgName.replace('.', IPath.SEPARATOR)).makeRelative();

	IJavaProject project= fRefactoring.getCu().getJavaProject();
	try {
	IJavaElement element= project.findElement(pkgPath);
	if (element == null \|\| !element.exists()) {
	setInvalid(IDX_BUNDLE_PACKAGE, NLSUIMessages.NLSAccessorConfigurationDialog_must_exist);
	return;
	}
	IPackageFragment fPkgFragment= (IPackageFragment) element;
	if (!PackageBrowseAdapter.canAddPackage(fPkgFragment)) {
	setInvalid(IDX_BUNDLE_PACKAGE, NLSUIMessages.NLSAccessorConfigurationDialog_incorrect_package);
	return;
	}
	if (!PackageBrowseAdapter.canAddPackageRoot((IPackageFragmentRoot) fPkgFragment.getParent())) {
	setInvalid(IDX_BUNDLE_PACKAGE, NLSUIMessages.NLSAccessorConfigurationDialog_incorrect_package);
	return;
	}
	} catch (JavaModelException e) {
	setInvalid(IDX_BUNDLE_PACKAGE, e.getStatus().getMessage());
	return;
	}

	setValid(IDX_BUNDLE_PACKAGE);
	}

	private void checkPackageFragment() {
	IPackageFragmentRoot root= fAccessorPackage.getSelectedFragmentRoot();
	if ((root == null) \|\| !root.exists()) {
	setInvalid(IDX_ACCESSOR_PACKAGE, NLSUIMessages.NLSAccessorConfigurationDialog_accessor_package_root_invalid);
	return;
	}

	IPackageFragment fragment= fAccessorPackage.getSelected();
	if ((fragment == null) \|\| !fragment.exists()) {
	setInvalid(IDX_ACCESSOR_PACKAGE, NLSUIMessages.NLSAccessorConfigurationDialog_accessor_package_invalid);
	return;
	}
	setValid(IDX_ACCESSOR_PACKAGE);
	}

	private void validateSubstitutionPattern() {
	if ((fSubstitutionPattern.getText() == null) \|\| (fSubstitutionPattern.getText().length() == 0)) {
	setInvalid(IDX_SUBST_PATTERN, NLSUIMessages.NLSAccessorConfigurationDialog_substitution_pattern_missing);
	} else {
	setValid(IDX_SUBST_PATTERN);
	}
	}

	private void setInvalid(int idx, String msg) {
	fStati[idx]= new StatusInfo(IStatus.ERROR, msg);
	}

	private void setValid(int idx) {
	fStati[idx]= StatusInfo.OK_STATUS;
	}

	/* (non-Javadoc)
	* @see org.eclipse.jface.dialogs.Dialog#okPressed()
	*/
	protected void okPressed() {
	updateRefactoring();
	super.okPressed();
	}


	void updateRefactoring() {
	fRefactoring.setAccessorClassPackage(fAccessorPackage.getSelected());
	fRefactoring.setAccessorClassName(fAccessorClassName.getText());

	fRefactoring.setResourceBundleName(fResourceBundleFile.getText());
	fRefactoring.setResourceBundlePackage(fResourceBundlePackage.getSelected());

	if (!fRefactoring.isEclipseNLS())
	fRefactoring.setSubstitutionPattern(fSubstitutionPattern.getText());

	fRefactoring.setIsEclipseNLS(fRefactoring.detectIsEclipseNLS());
	}

	private StringDialogField createStringField(String label, AccessorAdapter updateListener) {
	StringDialogField field= new StringDialogField();
	field.setDialogFieldListener(updateListener);
	field.setLabelText(label);
	return field;
	}

	private StringButtonDialogField createStringButtonField(String label, String button, AccessorAdapter adapter) {
	StringButtonDialogField field= new StringButtonDialogField(adapter);
	field.setDialogFieldListener(adapter);
	field.setLabelText(label);
	field.setButtonLabel(button);
	return field;
	}

	}