plugins/org.eclipse.wst.validation.ui/vf2/org/eclipse/wst/validation/ui/internal/dialog/NewFilterRule.java - webtools-common/webtools.common - Git at Google

 /*******************************************************************************
  * Copyright (c) 2005, 2009 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.wst.validation.ui.internal.dialog;

 import java.util.Map;
 import java.util.TreeMap;

 import org.eclipse.core.resources.IProject;
 import org.eclipse.core.resources.IProjectNatureDescriptor;
 import org.eclipse.core.resources.ResourcesPlugin;
 import org.eclipse.core.runtime.IPath;
 import org.eclipse.core.runtime.Path;
 import org.eclipse.core.runtime.Platform;
 import org.eclipse.core.runtime.content.IContentType;
 import org.eclipse.jface.wizard.IWizardPage;
 import org.eclipse.jface.wizard.Wizard;
 import org.eclipse.jface.wizard.WizardPage;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.events.ModifyEvent;
 import org.eclipse.swt.events.ModifyListener;
 import org.eclipse.swt.events.SelectionEvent;
 import org.eclipse.swt.events.SelectionListener;
 import org.eclipse.swt.layout.GridData;
 import org.eclipse.swt.layout.GridLayout;
 import org.eclipse.swt.widgets.Button;
 import org.eclipse.swt.widgets.Combo;
 import org.eclipse.swt.widgets.Composite;
 import org.eclipse.swt.widgets.DirectoryDialog;
 import org.eclipse.swt.widgets.FileDialog;
 import org.eclipse.swt.widgets.Label;
 import org.eclipse.swt.widgets.Text;
 import org.eclipse.ui.PlatformUI;
 import org.eclipse.wst.validation.internal.model.FilterRule;
 import org.eclipse.wst.validation.ui.internal.HelpContextIds;
 import org.eclipse.wst.validation.ui.internal.ValUIMessages;

 /**
  * A wizard that adds new rules to validators.
  * @author karasiuk
  *
  */
 public class NewFilterRule extends Wizard {

 	private Page1 			_page1;
 	private IWizardPage		_page2;

 	private IProject		_project;

 	private FilterRule		_rule;

 	public NewFilterRule(IProject project){
 		_project = project;
 		setWindowTitle(ValUIMessages.FrWizard);
 		_page1 = new Page1(project);
 		addPage(_page1);
 		setForcePreviousAndNextButtons(true);
 	}

 	public boolean canFinish() {
 		if (_page2 != null)return _page2.isPageComplete();
 		return false;
 	}

 	public FilterRule getRule(){
 		return _rule;
 	}

 	public boolean performFinish() {
 		if (_page2 == null)return false;
 		FilterWizardPage page = (FilterWizardPage)_page2;
 		_rule = page.getFilterRule();
 		return _rule != null;
 	}

 	public IWizardPage getNextPage(IWizardPage page) {
 		if (page == _page1){
 			setForcePreviousAndNextButtons(false);
 			_page2 = returnOrBuildPage(_page1.getSelectedFilter());
 			return _page2;
 		}
 		return null;
 	}

 	private IWizardPage returnOrBuildPage(int selectedFilter) {
 			IWizardPage page =  null;
 			if (_project != null && selectedFilter == 2)selectedFilter = 4;
 			switch (selectedFilter){
 			case 0:
 				page = new FileExtPage();
 				break;
 			case 1:
 				page = new FilePage(_project);
 				break;
 			case 2:
 				page = new ProjectPage();
 				break;
 			case 3:
 				page = new FacetPage();
 				break;
 			case 4:
 				page = new ContentTypePage();
 				break;
 			}
 		addPage(page);
 		return page;
 	}

 	public static class Page1 extends WizardPage {

 		private int 		_selectedFilter;
 		private IProject	_project;


 		public Page1(IProject project){
 			super("page1", ValUIMessages.FrSelectFilterType, null); //$NON-NLS-1$
 			setPageComplete(true);
 			_project = project;
 		}

 		public void createControl(Composite parent) {
 			String helpId = _project == null ? HelpContextIds.FilterRule : HelpContextIds.ProjectFilterRule;
 			PlatformUI.getWorkbench().getHelpSystem().setHelp(parent, helpId);
 			String[] labels = null;
 			String[] desc = null;
 			if (_project != null){
 				labels = new String[]{ValUIMessages.LabelExtension, ValUIMessages.LabelFile,
 						ValUIMessages.LabelContentType};

 				desc = new String[]{ValUIMessages.DescExtension, ValUIMessages.DescFile,
 						ValUIMessages.DescContentType};
 			}
 			else {
 				labels = new String[]{ValUIMessages.LabelExtension, ValUIMessages.LabelFile,
 						ValUIMessages.LabelProjects, ValUIMessages.LabelFacets,
 						ValUIMessages.LabelContentType};

 				desc = new String[]{ValUIMessages.DescExtension, ValUIMessages.DescFile,
 						ValUIMessages.DescProjects, ValUIMessages.DescFacets,
 						ValUIMessages.DescContentType};
 			}

 			Composite control = new Composite(parent, SWT.NONE);
 			control.setLayout(new GridLayout(2, false));

 			SelectionListener listener = new SelectionListener(){

 				public void widgetDefaultSelected(SelectionEvent e) {
 					doIt(e);
 				}

 				public void widgetSelected(SelectionEvent e) {
 					doIt(e);
 				}

 				private void doIt(SelectionEvent e){
 					if (e.getSource() instanceof Button){
 						Button b = (Button)e.getSource();
 						if (b.getData() instanceof Integer) {
 							Integer index = (Integer) b.getData();
 							setSelectedFilter(index.intValue());
 						}
 					}
 				}

 			};
 			for (int i=0; i<labels.length; i++){
 				Button button = new Button(control, SWT.RADIO);
 				button.setText(labels[i]);
 				button.setData(new Integer(i));
 				button.addSelectionListener(listener);
 				(new Text(control, SWT.WRAP|SWT.READ_ONLY)).setText(desc[i]);
 				if (i == 0)button.setSelection(true);
 			}
 			setControl(control);
 		}

 		public int getSelectedFilter() {
 			return _selectedFilter;
 		}

 		public void setSelectedFilter(int selectedFilter) {
 			_selectedFilter = selectedFilter;
 			getContainer().updateButtons();
 		}

 	}

 	public static class FileExtPage extends WizardPage implements FilterWizardPage {

 		private Text 	_pattern;
 		private Button	_case;

 		public FileExtPage(){
 			super("fileext", ValUIMessages.FrFileExtension, null); //$NON-NLS-1$
 		}

 		public void createControl(Composite parent) {
 			PlatformUI.getWorkbench().getHelpSystem().setHelp(parent, HelpContextIds.FRFileExt);
 			Composite control = new Composite(parent, SWT.NONE);
 			setControl(control);
 			control.setLayout(new GridLayout(2, false));
 			(new Label(control, SWT.NONE)).setText(ValUIMessages.FrFileExtensionLabel);
 			_pattern = new Text(control, SWT.BORDER);
 			_pattern.setFocus();
 			_pattern.addModifyListener(new ModifyListener(){

 				public void modifyText(ModifyEvent e) {
 					getContainer().updateButtons();
 				}

 			});

 			_case = new Button(control, SWT.CHECK);
 			_case.setText(ValUIMessages.FrCaseSensitive);
 			_case.setSelection(false);
 			_case.setLayoutData(new GridData(SWT.BEGINNING, SWT.BEGINNING,false, false, 2, 1));

 		}

 		public FilterRule getFilterRule() {
 			if (!isPageComplete())return null;
 			return FilterRule.FileExt.createFileExt(_pattern.getText(), _case.getSelection());
 		}

 		public boolean isPageComplete() {
 			return _pattern != null && _pattern.getText().trim().length() > 0;
 		}


 	}

 	public static class FilePage extends WizardPage implements FilterWizardPage {

 		private Text 	_pattern;
 		private Button	_browseFile;
 		private Button	_browseFolder;
 		private Button	_case;
 		private Button	_simpleFileName;

 		private IProject	_project;
 		private int			_type = FilterRule.File.FileTypeFile;
 		private IPath		_fullFileName;
 		private String		_root;

 		public FilePage(IProject project){
 			super("file", ValUIMessages.FrFolderOrFile, null); //$NON-NLS-1$
 			_project = project;
 		}

 		public void createControl(Composite parent) {
 			PlatformUI.getWorkbench().getHelpSystem().setHelp(parent, HelpContextIds.FRName);
 			final Composite control = new Composite(parent, SWT.NONE);
 			setControl(control);
 			control.setLayout(new GridLayout(4, false));
 			(new Label(control, SWT.NONE)).setText(ValUIMessages.FrFolderOrFileLabel);
 			_pattern = new Text(control, SWT.BORDER);
 			_pattern.setFocus();
 			_pattern.setLayoutData(new GridData(300, SWT.DEFAULT));
 			_pattern.addModifyListener(new ModifyListener(){

 				public void modifyText(ModifyEvent e) {
 					getContainer().updateButtons();
 				}

 			});

 			_root = null;
 			IPath base = _project == null ? ResourcesPlugin.getWorkspace().getRoot().getLocation() :
 				_project.getLocation();
 			if (base != null)_root = base.toOSString();

 			_browseFile = new Button(control, SWT.PUSH);
 			_browseFile.setText(ValUIMessages.FrBrowseFile);
 			_browseFile.setEnabled(_root != null);
 			_browseFile.addSelectionListener(new SelectionListener(){

 				public void widgetDefaultSelected(SelectionEvent e) {
 					browse();
 				}

 				public void widgetSelected(SelectionEvent e) {
 					browse();
 				}

 				private void browse(){
 					FileDialog fd = new FileDialog(control.getShell(), SWT.OPEN);
 					fd.setText(ValUIMessages.FrFileFilter);
 					fd.setFilterPath(_root);

 					String file = fd.open();
 					if (file != null){
 						if (file.startsWith(_root))file = file.substring(_root.length()+1);
 						else file = null;
 					}
 					if (file != null){
 						_fullFileName = new Path(file);
 						if (_project == null)_fullFileName = _fullFileName.removeFirstSegments(1);

 						if (_simpleFileName.getSelection()){
 							_type = FilterRule.File.FileTypeFile;
 							_pattern.setText(_fullFileName.lastSegment());
 						}
 						else {
 							_type = FilterRule.File.FileTypeFull;
 							_pattern.setText(_fullFileName.toPortableString());
 						}
 					}
 					else {
 						_fullFileName = null;
 						_pattern.setText(""); //$NON-NLS-1$
 					}
 				}
 			});

 			_browseFolder = new Button(control, SWT.PUSH);
 			_browseFolder.setText(ValUIMessages.FrBrowseFolder);
 			_browseFolder.setEnabled(_root != null);
 			_browseFolder.addSelectionListener(new SelectionListener(){

 				public void widgetDefaultSelected(SelectionEvent e) {
 					browse();
 				}

 				public void widgetSelected(SelectionEvent e) {
 					browse();
 				}

 				private void browse(){
 					DirectoryDialog fd = new DirectoryDialog(control.getShell());
 					fd.setMessage(ValUIMessages.FrFolderFilter);
 					fd.setFilterPath(_root);
 					String dir = fd.open();
 					if (dir != null){
 						_fullFileName = null;
 						_type = FilterRule.File.FileTypeFolder;
 						if (dir.startsWith(_root) && dir.length() > _root.length()){
 							dir = dir.substring(_root.length()+1);
 							IPath path = new Path(dir);
 							if (_project == null)path = path.removeFirstSegments(1);
 							_pattern.setText(path.toPortableString());
 						}
 						else {
 							_pattern.setText(""); //$NON-NLS-1$
 						}
 					}
 				}

 			});

 			_case = new Button(control, SWT.CHECK);
 			_case.setText(ValUIMessages.FrCaseSensitive);
 			_case.setSelection(false);
 			_case.setLayoutData(new GridData(SWT.BEGINNING, SWT.BEGINNING,false, false, 4, 1));

 			addSimpleFileNameButton(control);
 		}

 		private void addSimpleFileNameButton(final Composite control) {
 			_simpleFileName = new Button(control, SWT.CHECK);
 			_simpleFileName.setText(ValUIMessages.FrSimpleFileName);
 			_simpleFileName.setSelection(_type == FilterRule.File.FileTypeFile);
 			_simpleFileName.setLayoutData(new GridData(SWT.BEGINNING, SWT.BEGINNING,false, false, 4, 1));

 			_simpleFileName.addSelectionListener(new SelectionListener(){

 				public void widgetDefaultSelected(SelectionEvent e) {
 				}

 				public void widgetSelected(SelectionEvent e) {
 					if (_type == FilterRule.File.FileTypeFolder)return;
 					if (_simpleFileName.getSelection()){
 						if (_fullFileName != null)_pattern.setText(_fullFileName.lastSegment());
 						_type = FilterRule.File.FileTypeFile;
 					}
 					else {
 						if (_fullFileName != null)_pattern.setText(_fullFileName.toPortableString());
 						_type = FilterRule.File.FileTypeFull;					}
 					}
 				});
 		}

 		public FilterRule getFilterRule() {
 			if (!isPageComplete())return null;
 			return FilterRule.createFile(_pattern.getText(), _case.getSelection(), _type);
 		}

 		public boolean isPageComplete() {
 			if (_pattern == null)return false;
 			if (_pattern.getText() == null)return false;
 			return _pattern.getText().trim().length() > 0;
 		}

 	}

 	public static class ProjectPage extends WizardPage implements FilterWizardPage{

 		private Combo		_natures;
 		private String[]	_ids;

 		public ProjectPage(){
 			super("project", ValUIMessages.FrProjectNature, null); //$NON-NLS-1$
 		}

 		public void createControl(Composite parent) {
 			PlatformUI.getWorkbench().getHelpSystem().setHelp(parent, HelpContextIds.FRProjectNature);
 			Composite control = new Composite(parent, SWT.NONE);
 			setControl(control);
 			control.setLayout(new GridLayout(2, false));
 			(new Label(control, SWT.NONE)).setText(ValUIMessages.FrProjectNatureLabel);

 			IProjectNatureDescriptor[] pn = ResourcesPlugin.getWorkspace().getNatureDescriptors();
 			String items[] = new String[pn.length];
 			_ids = new String[pn.length];
 			for (int i=0; i<pn.length; i++){
 				_ids[i] = pn[i].getNatureId();
 				items[i] = pn[i].getLabel() + " - " + _ids[i]; //$NON-NLS-1$
 			}
 			_natures = new Combo(control, SWT.DROP_DOWN);
 			_natures.setItems(items);
 			_natures.addModifyListener(new ModifyListener(){

 				public void modifyText(ModifyEvent e) {
 					getContainer().updateButtons();
 				}

 			});

 		}

 		public FilterRule getFilterRule() {
 			if (!isPageComplete())return null;
 			int i = _natures.getSelectionIndex();
 			if (i == -1)return null;

 			return FilterRule.createProject(_ids[i]);
 		}

 		public boolean isPageComplete() {
 			if (_natures == null)return false;
 			if (_natures.getText() == null)return false;
 			return _natures.getText().trim().length() > 0;
 		}

 	}

 	public static class FacetPage extends WizardPage implements FilterWizardPage {

 		private Text	_pattern;

 		public FacetPage(){
 			super("facet", ValUIMessages.FrFacit, null); //$NON-NLS-1$
 		}

 		public void createControl(Composite parent) {
 			PlatformUI.getWorkbench().getHelpSystem().setHelp(parent, HelpContextIds.FRFacet);
 			Composite control = new Composite(parent, SWT.NONE);
 			setControl(control);
 			control.setLayout(new GridLayout(2, false));
 			(new Label(control, SWT.NONE)).setText(ValUIMessages.FrFacitLabel);
 			_pattern = new Text(control, SWT.BORDER);
 			_pattern.setFocus();
 			_pattern.setLayoutData(new GridData(300, SWT.DEFAULT));
 			_pattern.addModifyListener(new ModifyListener(){

 				public void modifyText(ModifyEvent e) {
 					getContainer().updateButtons();
 				}

 			});
 		}

 		public FilterRule getFilterRule() {
 			if (!isPageComplete())return null;
 			FilterRule rule = FilterRule.createFacet(_pattern.getText());
 			return rule;
 		}

 		public boolean isPageComplete() {
 			if (_pattern == null)return false;
 			if (_pattern.getText() == null)return false;
 			return _pattern.getText().trim().length() > 0;
 		}

 	}

 	public static class ContentTypePage extends WizardPage implements FilterWizardPage {
 		private Combo	_pattern;
 		private Button	_exactMatch;
 		private Map<String, IContentType> _map;

 		public ContentTypePage(){
 			super("contentType", ValUIMessages.FrContentType, null); //$NON-NLS-1$
 		}

 		public void createControl(Composite parent) {
 			PlatformUI.getWorkbench().getHelpSystem().setHelp(parent, HelpContextIds.FRContentType);
 			Composite control = new Composite(parent, SWT.NONE);
 			setControl(control);
 			control.setLayout(new GridLayout(2, false));
 			(new Label(control, SWT.NONE)).setText(ValUIMessages.FrContentTypeLabel);

 			IContentType[] types = Platform.getContentTypeManager().getAllContentTypes();
 			_map = new TreeMap<String, IContentType>();
 			for (IContentType type : types){
 				String name = type.getName();
 				if (name == null)name = type.getId();
 				_map.put(name, type);
 			}
 			String items[] = new String[_map.size()];
 			int i = 0;
 			for (String label : _map.keySet()){
 				items[i++] = label;
 			}
 			_pattern = new Combo(control, SWT.DROP_DOWN | SWT.READ_ONLY);
 			_pattern.setFocus();
 			_pattern.setLayoutData(new GridData(300, SWT.DEFAULT));
 			_pattern.setVisibleItemCount(20);
 			_pattern.setItems(items);
 			_pattern.addModifyListener(new ModifyListener(){

 				public void modifyText(ModifyEvent e) {
 					getContainer().updateButtons();
 				}

 			});

 			_exactMatch = new Button(control, SWT.CHECK);
 			_exactMatch.setText(ValUIMessages.FrExactMatch);
 			_exactMatch.setSelection(false);
 			_exactMatch.setLayoutData(new GridData(SWT.BEGINNING, SWT.BEGINNING,false, false, 2, 1));

 		}

 		public FilterRule getFilterRule() {
 			if (!isPageComplete())return null;
 			IContentType type = _map.get(_pattern.getText());
 			if (type == null)return null;
 			FilterRule rule = FilterRule.createContentType(type.getId(), _exactMatch.getSelection());
 			return rule;
 		}

 		public boolean isPageComplete() {
 			if (_pattern == null)return false;
 			if (_pattern.getText() == null)return false;
 			return _pattern.getText().trim().length() > 0;
 		}

 	}

 	interface FilterWizardPage {
 		/**
 		 * Answer the rule that was created.
 		 *
 		 * @return null if the user didn't create a new rule.
 		 */
 		FilterRule getFilterRule();
 	}


 }
	/*******************************************************************************
	* Copyright (c) 2005, 2009 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.wst.validation.ui.internal.dialog;

	import java.util.Map;
	import java.util.TreeMap;

	import org.eclipse.core.resources.IProject;
	import org.eclipse.core.resources.IProjectNatureDescriptor;
	import org.eclipse.core.resources.ResourcesPlugin;
	import org.eclipse.core.runtime.IPath;
	import org.eclipse.core.runtime.Path;
	import org.eclipse.core.runtime.Platform;
	import org.eclipse.core.runtime.content.IContentType;
	import org.eclipse.jface.wizard.IWizardPage;
	import org.eclipse.jface.wizard.Wizard;
	import org.eclipse.jface.wizard.WizardPage;
	import org.eclipse.swt.SWT;
	import org.eclipse.swt.events.ModifyEvent;
	import org.eclipse.swt.events.ModifyListener;
	import org.eclipse.swt.events.SelectionEvent;
	import org.eclipse.swt.events.SelectionListener;
	import org.eclipse.swt.layout.GridData;
	import org.eclipse.swt.layout.GridLayout;
	import org.eclipse.swt.widgets.Button;
	import org.eclipse.swt.widgets.Combo;
	import org.eclipse.swt.widgets.Composite;
	import org.eclipse.swt.widgets.DirectoryDialog;
	import org.eclipse.swt.widgets.FileDialog;
	import org.eclipse.swt.widgets.Label;
	import org.eclipse.swt.widgets.Text;
	import org.eclipse.ui.PlatformUI;
	import org.eclipse.wst.validation.internal.model.FilterRule;
	import org.eclipse.wst.validation.ui.internal.HelpContextIds;
	import org.eclipse.wst.validation.ui.internal.ValUIMessages;

	/**
	* A wizard that adds new rules to validators.
	* @author karasiuk
	*
	*/
	public class NewFilterRule extends Wizard {

	private Page1 _page1;
	private IWizardPage _page2;

	private IProject _project;

	private FilterRule _rule;

	public NewFilterRule(IProject project){
	_project = project;
	setWindowTitle(ValUIMessages.FrWizard);
	_page1 = new Page1(project);
	addPage(_page1);
	setForcePreviousAndNextButtons(true);
	}

	public boolean canFinish() {
	if (_page2 != null)return _page2.isPageComplete();
	return false;
	}

	public FilterRule getRule(){
	return _rule;
	}

	public boolean performFinish() {
	if (_page2 == null)return false;
	FilterWizardPage page = (FilterWizardPage)_page2;
	_rule = page.getFilterRule();
	return _rule != null;
	}

	public IWizardPage getNextPage(IWizardPage page) {
	if (page == _page1){
	setForcePreviousAndNextButtons(false);
	_page2 = returnOrBuildPage(_page1.getSelectedFilter());
	return _page2;
	}
	return null;
	}

	private IWizardPage returnOrBuildPage(int selectedFilter) {
	IWizardPage page = null;
	if (_project != null && selectedFilter == 2)selectedFilter = 4;
	switch (selectedFilter){
	case 0:
	page = new FileExtPage();
	break;
	case 1:
	page = new FilePage(_project);
	break;
	case 2:
	page = new ProjectPage();
	break;
	case 3:
	page = new FacetPage();
	break;
	case 4:
	page = new ContentTypePage();
	break;
	}
	addPage(page);
	return page;
	}

	public static class Page1 extends WizardPage {

	private int _selectedFilter;
	private IProject _project;


	public Page1(IProject project){
	super("page1", ValUIMessages.FrSelectFilterType, null); //$NON-NLS-1$
	setPageComplete(true);
	_project = project;
	}

	public void createControl(Composite parent) {
	String helpId = _project == null ? HelpContextIds.FilterRule : HelpContextIds.ProjectFilterRule;
	PlatformUI.getWorkbench().getHelpSystem().setHelp(parent, helpId);
	String[] labels = null;
	String[] desc = null;
	if (_project != null){
	labels = new String[]{ValUIMessages.LabelExtension, ValUIMessages.LabelFile,
	ValUIMessages.LabelContentType};

	desc = new String[]{ValUIMessages.DescExtension, ValUIMessages.DescFile,
	ValUIMessages.DescContentType};
	}
	else {
	labels = new String[]{ValUIMessages.LabelExtension, ValUIMessages.LabelFile,
	ValUIMessages.LabelProjects, ValUIMessages.LabelFacets,
	ValUIMessages.LabelContentType};

	desc = new String[]{ValUIMessages.DescExtension, ValUIMessages.DescFile,
	ValUIMessages.DescProjects, ValUIMessages.DescFacets,
	ValUIMessages.DescContentType};
	}

	Composite control = new Composite(parent, SWT.NONE);
	control.setLayout(new GridLayout(2, false));

	SelectionListener listener = new SelectionListener(){

	public void widgetDefaultSelected(SelectionEvent e) {
	doIt(e);
	}

	public void widgetSelected(SelectionEvent e) {
	doIt(e);
	}

	private void doIt(SelectionEvent e){
	if (e.getSource() instanceof Button){
	Button b = (Button)e.getSource();
	if (b.getData() instanceof Integer) {
	Integer index = (Integer) b.getData();
	setSelectedFilter(index.intValue());
	}
	}
	}

	};
	for (int i=0; i<labels.length; i++){
	Button button = new Button(control, SWT.RADIO);
	button.setText(labels[i]);
	button.setData(new Integer(i));
	button.addSelectionListener(listener);
	(new Text(control, SWT.WRAP\|SWT.READ_ONLY)).setText(desc[i]);
	if (i == 0)button.setSelection(true);
	}
	setControl(control);
	}

	public int getSelectedFilter() {
	return _selectedFilter;
	}

	public void setSelectedFilter(int selectedFilter) {
	_selectedFilter = selectedFilter;
	getContainer().updateButtons();
	}

	}

	public static class FileExtPage extends WizardPage implements FilterWizardPage {

	private Text _pattern;
	private Button _case;

	public FileExtPage(){
	super("fileext", ValUIMessages.FrFileExtension, null); //$NON-NLS-1$
	}

	public void createControl(Composite parent) {
	PlatformUI.getWorkbench().getHelpSystem().setHelp(parent, HelpContextIds.FRFileExt);
	Composite control = new Composite(parent, SWT.NONE);
	setControl(control);
	control.setLayout(new GridLayout(2, false));
	(new Label(control, SWT.NONE)).setText(ValUIMessages.FrFileExtensionLabel);
	_pattern = new Text(control, SWT.BORDER);
	_pattern.setFocus();
	_pattern.addModifyListener(new ModifyListener(){

	public void modifyText(ModifyEvent e) {
	getContainer().updateButtons();
	}

	});

	_case = new Button(control, SWT.CHECK);
	_case.setText(ValUIMessages.FrCaseSensitive);
	_case.setSelection(false);
	_case.setLayoutData(new GridData(SWT.BEGINNING, SWT.BEGINNING,false, false, 2, 1));

	}

	public FilterRule getFilterRule() {
	if (!isPageComplete())return null;
	return FilterRule.FileExt.createFileExt(_pattern.getText(), _case.getSelection());
	}

	public boolean isPageComplete() {
	return _pattern != null && _pattern.getText().trim().length() > 0;
	}


	}

	public static class FilePage extends WizardPage implements FilterWizardPage {

	private Text _pattern;
	private Button _browseFile;
	private Button _browseFolder;
	private Button _case;
	private Button _simpleFileName;

	private IProject _project;
	private int _type = FilterRule.File.FileTypeFile;
	private IPath _fullFileName;
	private String _root;

	public FilePage(IProject project){
	super("file", ValUIMessages.FrFolderOrFile, null); //$NON-NLS-1$
	_project = project;
	}

	public void createControl(Composite parent) {
	PlatformUI.getWorkbench().getHelpSystem().setHelp(parent, HelpContextIds.FRName);
	final Composite control = new Composite(parent, SWT.NONE);
	setControl(control);
	control.setLayout(new GridLayout(4, false));
	(new Label(control, SWT.NONE)).setText(ValUIMessages.FrFolderOrFileLabel);
	_pattern = new Text(control, SWT.BORDER);
	_pattern.setFocus();
	_pattern.setLayoutData(new GridData(300, SWT.DEFAULT));
	_pattern.addModifyListener(new ModifyListener(){

	public void modifyText(ModifyEvent e) {
	getContainer().updateButtons();
	}

	});

	_root = null;
	IPath base = _project == null ? ResourcesPlugin.getWorkspace().getRoot().getLocation() :
	_project.getLocation();
	if (base != null)_root = base.toOSString();

	_browseFile = new Button(control, SWT.PUSH);
	_browseFile.setText(ValUIMessages.FrBrowseFile);
	_browseFile.setEnabled(_root != null);
	_browseFile.addSelectionListener(new SelectionListener(){

	public void widgetDefaultSelected(SelectionEvent e) {
	browse();
	}

	public void widgetSelected(SelectionEvent e) {
	browse();
	}

	private void browse(){
	FileDialog fd = new FileDialog(control.getShell(), SWT.OPEN);
	fd.setText(ValUIMessages.FrFileFilter);
	fd.setFilterPath(_root);

	String file = fd.open();
	if (file != null){
	if (file.startsWith(_root))file = file.substring(_root.length()+1);
	else file = null;
	}
	if (file != null){
	_fullFileName = new Path(file);
	if (_project == null)_fullFileName = _fullFileName.removeFirstSegments(1);

	if (_simpleFileName.getSelection()){
	_type = FilterRule.File.FileTypeFile;
	_pattern.setText(_fullFileName.lastSegment());
	}
	else {
	_type = FilterRule.File.FileTypeFull;
	_pattern.setText(_fullFileName.toPortableString());
	}
	}
	else {
	_fullFileName = null;
	_pattern.setText(""); //$NON-NLS-1$
	}
	}
	});

	_browseFolder = new Button(control, SWT.PUSH);
	_browseFolder.setText(ValUIMessages.FrBrowseFolder);
	_browseFolder.setEnabled(_root != null);
	_browseFolder.addSelectionListener(new SelectionListener(){

	public void widgetDefaultSelected(SelectionEvent e) {
	browse();
	}

	public void widgetSelected(SelectionEvent e) {
	browse();
	}

	private void browse(){
	DirectoryDialog fd = new DirectoryDialog(control.getShell());
	fd.setMessage(ValUIMessages.FrFolderFilter);
	fd.setFilterPath(_root);
	String dir = fd.open();
	if (dir != null){
	_fullFileName = null;
	_type = FilterRule.File.FileTypeFolder;
	if (dir.startsWith(_root) && dir.length() > _root.length()){
	dir = dir.substring(_root.length()+1);
	IPath path = new Path(dir);
	if (_project == null)path = path.removeFirstSegments(1);
	_pattern.setText(path.toPortableString());
	}
	else {
	_pattern.setText(""); //$NON-NLS-1$
	}
	}
	}

	});

	_case = new Button(control, SWT.CHECK);
	_case.setText(ValUIMessages.FrCaseSensitive);
	_case.setSelection(false);
	_case.setLayoutData(new GridData(SWT.BEGINNING, SWT.BEGINNING,false, false, 4, 1));

	addSimpleFileNameButton(control);
	}

	private void addSimpleFileNameButton(final Composite control) {
	_simpleFileName = new Button(control, SWT.CHECK);
	_simpleFileName.setText(ValUIMessages.FrSimpleFileName);
	_simpleFileName.setSelection(_type == FilterRule.File.FileTypeFile);
	_simpleFileName.setLayoutData(new GridData(SWT.BEGINNING, SWT.BEGINNING,false, false, 4, 1));

	_simpleFileName.addSelectionListener(new SelectionListener(){

	public void widgetDefaultSelected(SelectionEvent e) {
	}

	public void widgetSelected(SelectionEvent e) {
	if (_type == FilterRule.File.FileTypeFolder)return;
	if (_simpleFileName.getSelection()){
	if (_fullFileName != null)_pattern.setText(_fullFileName.lastSegment());
	_type = FilterRule.File.FileTypeFile;
	}
	else {
	if (_fullFileName != null)_pattern.setText(_fullFileName.toPortableString());
	_type = FilterRule.File.FileTypeFull; }
	}
	});
	}

	public FilterRule getFilterRule() {
	if (!isPageComplete())return null;
	return FilterRule.createFile(_pattern.getText(), _case.getSelection(), _type);
	}

	public boolean isPageComplete() {
	if (_pattern == null)return false;
	if (_pattern.getText() == null)return false;
	return _pattern.getText().trim().length() > 0;
	}

	}

	public static class ProjectPage extends WizardPage implements FilterWizardPage{

	private Combo _natures;
	private String[] _ids;

	public ProjectPage(){
	super("project", ValUIMessages.FrProjectNature, null); //$NON-NLS-1$
	}

	public void createControl(Composite parent) {
	PlatformUI.getWorkbench().getHelpSystem().setHelp(parent, HelpContextIds.FRProjectNature);
	Composite control = new Composite(parent, SWT.NONE);
	setControl(control);
	control.setLayout(new GridLayout(2, false));
	(new Label(control, SWT.NONE)).setText(ValUIMessages.FrProjectNatureLabel);

	IProjectNatureDescriptor[] pn = ResourcesPlugin.getWorkspace().getNatureDescriptors();
	String items[] = new String[pn.length];
	_ids = new String[pn.length];
	for (int i=0; i<pn.length; i++){
	_ids[i] = pn[i].getNatureId();
	items[i] = pn[i].getLabel() + " - " + _ids[i]; //$NON-NLS-1$
	}
	_natures = new Combo(control, SWT.DROP_DOWN);
	_natures.setItems(items);
	_natures.addModifyListener(new ModifyListener(){

	public void modifyText(ModifyEvent e) {
	getContainer().updateButtons();
	}

	});

	}

	public FilterRule getFilterRule() {
	if (!isPageComplete())return null;
	int i = _natures.getSelectionIndex();
	if (i == -1)return null;

	return FilterRule.createProject(_ids[i]);
	}

	public boolean isPageComplete() {
	if (_natures == null)return false;
	if (_natures.getText() == null)return false;
	return _natures.getText().trim().length() > 0;
	}

	}

	public static class FacetPage extends WizardPage implements FilterWizardPage {

	private Text _pattern;

	public FacetPage(){
	super("facet", ValUIMessages.FrFacit, null); //$NON-NLS-1$
	}

	public void createControl(Composite parent) {
	PlatformUI.getWorkbench().getHelpSystem().setHelp(parent, HelpContextIds.FRFacet);
	Composite control = new Composite(parent, SWT.NONE);
	setControl(control);
	control.setLayout(new GridLayout(2, false));
	(new Label(control, SWT.NONE)).setText(ValUIMessages.FrFacitLabel);
	_pattern = new Text(control, SWT.BORDER);
	_pattern.setFocus();
	_pattern.setLayoutData(new GridData(300, SWT.DEFAULT));
	_pattern.addModifyListener(new ModifyListener(){

	public void modifyText(ModifyEvent e) {
	getContainer().updateButtons();
	}

	});
	}

	public FilterRule getFilterRule() {
	if (!isPageComplete())return null;
	FilterRule rule = FilterRule.createFacet(_pattern.getText());
	return rule;
	}

	public boolean isPageComplete() {
	if (_pattern == null)return false;
	if (_pattern.getText() == null)return false;
	return _pattern.getText().trim().length() > 0;
	}

	}

	public static class ContentTypePage extends WizardPage implements FilterWizardPage {
	private Combo _pattern;
	private Button _exactMatch;
	private Map<String, IContentType> _map;

	public ContentTypePage(){
	super("contentType", ValUIMessages.FrContentType, null); //$NON-NLS-1$
	}

	public void createControl(Composite parent) {
	PlatformUI.getWorkbench().getHelpSystem().setHelp(parent, HelpContextIds.FRContentType);
	Composite control = new Composite(parent, SWT.NONE);
	setControl(control);
	control.setLayout(new GridLayout(2, false));
	(new Label(control, SWT.NONE)).setText(ValUIMessages.FrContentTypeLabel);

	IContentType[] types = Platform.getContentTypeManager().getAllContentTypes();
	_map = new TreeMap<String, IContentType>();
	for (IContentType type : types){
	String name = type.getName();
	if (name == null)name = type.getId();
	_map.put(name, type);
	}
	String items[] = new String[_map.size()];
	int i = 0;
	for (String label : _map.keySet()){
	items[i++] = label;
	}
	_pattern = new Combo(control, SWT.DROP_DOWN \| SWT.READ_ONLY);
	_pattern.setFocus();
	_pattern.setLayoutData(new GridData(300, SWT.DEFAULT));
	_pattern.setVisibleItemCount(20);
	_pattern.setItems(items);
	_pattern.addModifyListener(new ModifyListener(){

	public void modifyText(ModifyEvent e) {
	getContainer().updateButtons();
	}

	});

	_exactMatch = new Button(control, SWT.CHECK);
	_exactMatch.setText(ValUIMessages.FrExactMatch);
	_exactMatch.setSelection(false);
	_exactMatch.setLayoutData(new GridData(SWT.BEGINNING, SWT.BEGINNING,false, false, 2, 1));

	}

	public FilterRule getFilterRule() {
	if (!isPageComplete())return null;
	IContentType type = _map.get(_pattern.getText());
	if (type == null)return null;
	FilterRule rule = FilterRule.createContentType(type.getId(), _exactMatch.getSelection());
	return rule;
	}

	public boolean isPageComplete() {
	if (_pattern == null)return false;
	if (_pattern.getText() == null)return false;
	return _pattern.getText().trim().length() > 0;
	}

	}

	interface FilterWizardPage {
	/**
	* Answer the rule that was created.
	*
	* @return null if the user didn't create a new rule.
	*/
	FilterRule getFilterRule();
	}


	}