plugins/org.eclipse.wst.validation.ui/vf2/org/eclipse/wst/validation/ui/internal/dialog/FilterDialog.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.lang.reflect.InvocationTargetException;
 import java.util.Iterator;
 import java.util.Map;

 import org.eclipse.core.resources.IProject;
 import org.eclipse.core.runtime.IAdapterFactory;
 import org.eclipse.core.runtime.Platform;
 import org.eclipse.jface.dialogs.Dialog;
 import org.eclipse.jface.resource.JFaceResources;
 import org.eclipse.jface.viewers.ISelectionChangedListener;
 import org.eclipse.jface.viewers.IStructuredSelection;
 import org.eclipse.jface.viewers.SelectionChangedEvent;
 import org.eclipse.jface.viewers.TreeViewer;
 import org.eclipse.jface.wizard.WizardDialog;
 import org.eclipse.osgi.util.NLS;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.events.SelectionEvent;
 import org.eclipse.swt.events.SelectionListener;
 import org.eclipse.swt.graphics.Point;
 import org.eclipse.swt.layout.GridData;
 import org.eclipse.swt.layout.GridLayout;
 import org.eclipse.swt.layout.RowLayout;
 import org.eclipse.swt.widgets.Button;
 import org.eclipse.swt.widgets.Combo;
 import org.eclipse.swt.widgets.Composite;
 import org.eclipse.swt.widgets.Control;
 import org.eclipse.swt.widgets.Group;
 import org.eclipse.swt.widgets.Label;
 import org.eclipse.swt.widgets.Shell;
 import org.eclipse.ui.model.BaseWorkbenchContentProvider;
 import org.eclipse.ui.model.WorkbenchLabelProvider;
 import org.eclipse.wst.validation.MessageSeveritySetting;
 import org.eclipse.wst.validation.Validator;
 import org.eclipse.wst.validation.internal.ValManager;
 import org.eclipse.wst.validation.internal.ValMessages;
 import org.eclipse.wst.validation.internal.ValidatorMutable;
 import org.eclipse.wst.validation.internal.delegates.ValidatorDelegateDescriptor;
 import org.eclipse.wst.validation.internal.delegates.ValidatorDelegatesRegistry;
 import org.eclipse.wst.validation.internal.model.FilterGroup;
 import org.eclipse.wst.validation.internal.model.FilterRule;
 import org.eclipse.wst.validation.internal.model.ValidatorHelper;
 import org.eclipse.wst.validation.ui.internal.AdapterFactory;
 import org.eclipse.wst.validation.ui.internal.ValUIMessages;

 /**
  * Display a filter dialog for a particular Validator, that is a list of all the filters that are active for
  * the validator.
  *
  * @author karasiuk
  *
  */
 public final class FilterDialog extends Dialog {

 	/**
 	 * If we are doing project level filters this will point to the project. This is null if we are doing
 	 * workspace level filters.
 	 */
 	private IProject	_project;

 	private ValidatorMutable 	_validator;

 	private TreeViewer		_tree;
 	private Combo			_delegating;
 	private IAdapterFactory _adaptorFactory = new AdapterFactory();

 	private Button		_addGroupInclude;
 	private Button		_addGroupExclude;
 	private Button		_addRule;
 	private Button		_remove;
 	private ISelectionChangedListener	_nodeChangedListener;

 	/** The currently selected group. If a rule is selected instead, then this will be null. */
 	private FilterGroup	_selectedGroup;

 	/** The currently selected rule. If a group is selected instead, then this will be null. */
 	private FilterRule	_selectedRule;

 	private Combo[]		_messageSev;

 	private static String[] _messages = new String[]{
 		ValMessages.SevError, ValMessages.SevWarning, ValMessages.SevIgnore};

 	private Shell		_shell;

 	/**
 	 * Create a dialog that knows how to change a validator's filters.
 	 *
 	 * @param shell
 	 *
 	 * @param validator the validator that is being updated.
 	 *
 	 * @param project the project that the filters are being added to. If these are workspace
 	 * level filters, then this must be null.
 	 */
 	public FilterDialog(Shell shell, ValidatorMutable validator, IProject project){
 		super(shell);
 		_shell = shell;
 		setShellStyle(getShellStyle() | SWT.CLOSE|SWT.MIN|SWT.MAX|SWT.RESIZE);
 		_validator = validator;
 		_project = project;
 	}

 	protected void configureShell(Shell newShell) {
 		super.configureShell(newShell);
 		newShell.setText(NLS.bind(ValUIMessages.fdTitle, _validator.getName()));
 	}

 	protected Control createDialogArea(Composite parent) {
 		Composite c = (Composite)super.createDialogArea(parent);
 		c.setLayout(new GridLayout(2, false));
 		if (!_validator.isV2Validator()){
 			new Label(c, SWT.NONE).setText(ValUIMessages.fdNoFilters);
 		}
 		else {
 			Label blurb = new Label(c, SWT.LEFT | SWT.WRAP);
 			blurb.setLayoutData(new GridData(SWT.FILL, SWT.TOP, true, false, 2, 1));
 			blurb.setText(ValUIMessages.FilterHelp);

 			_tree = new TreeViewer(c, SWT.SINGLE | SWT.H_SCROLL | SWT.V_SCROLL | SWT.BORDER);
 			_tree.getControl().setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
 			Platform.getAdapterManager().registerAdapters(_adaptorFactory, ValidatorMutable.class);
 			Platform.getAdapterManager().registerAdapters(_adaptorFactory, FilterGroup.class);
 			Platform.getAdapterManager().registerAdapters(_adaptorFactory, FilterRule.class);
 			_tree.setContentProvider(new BaseWorkbenchContentProvider());
 			_tree.setLabelProvider(new WorkbenchLabelProvider());
 			_tree.setInput(_validator);
 			_tree.expandAll();

 			addButtons(c);

 			String delegatingId = _validator.getDelegatingId();
 			if (delegatingId != null){
 				addDelegatorSelection(c);
 			}

 			_nodeChangedListener = new ISelectionChangedListener(){

 				public void selectionChanged(SelectionChangedEvent event) {
 					_selectedGroup = null;
 					_selectedRule = null;
 					if (event.getSelection() instanceof IStructuredSelection){
 						IStructuredSelection sel = (IStructuredSelection)event.getSelection();
 						if (sel.getFirstElement() instanceof FilterGroup){
 							_selectedGroup = (FilterGroup)sel.getFirstElement();
 						}
 						else if (sel.getFirstElement() instanceof FilterRule){
 							_selectedRule = (FilterRule)sel.getFirstElement();
 						}
 					}
 					updateButtons();
 				}

 			};

 			_tree.addSelectionChangedListener(_nodeChangedListener);

 			addMessageMappings(c);
 		}
 		return c;
 	}

 	private void addButtons(Composite c) {
 		Composite buttons = new Composite(c, SWT.TOP);
 		GridData gd = new GridData(SWT.LEFT, SWT.TOP, false, false, 1, 1);
 		buttons.setLayoutData(gd);
 		buttons.setLayout(new GridLayout(1, true));
 		_addGroupInclude = new Button(buttons, SWT.PUSH | SWT.FILL | SWT.CENTER);
 		_addGroupInclude.setText(ValUIMessages.ButtonAddGroupInclude);
 		_addGroupInclude.setLayoutData(new GridData(SWT.FILL, SWT.TOP, true, false, 1, 1));

 		_addGroupInclude.addSelectionListener(new SelectionListener(){

 			public void widgetDefaultSelected(SelectionEvent e) {
 				addGroup(false);
 			}

 			public void widgetSelected(SelectionEvent e) {
 				addGroup(false);
 			}

 		});

 		_addGroupExclude = new Button(buttons, SWT.PUSH | SWT.FILL | SWT.CENTER);
 		_addGroupExclude.setText(ValUIMessages.ButtonAddGroupExclude);
 		_addGroupExclude.setLayoutData(new GridData(SWT.FILL, SWT.TOP, true, false, 1, 1));

 		_addGroupExclude.addSelectionListener(new SelectionListener(){

 			public void widgetDefaultSelected(SelectionEvent e) {
 				addGroup(true);
 			}

 			public void widgetSelected(SelectionEvent e) {
 				addGroup(true);
 			}

 		});

 		_addRule = new Button(buttons, SWT.PUSH | SWT.FILL | SWT.CENTER);
 		_addRule.setText(ValUIMessages.ButtonAddRule);
 		_addRule.setLayoutData(new GridData(SWT.FILL, SWT.TOP, true, false, 1, 1));
 		_addRule.addSelectionListener(new SelectionListener(){

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

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

 			private void doIt(){
 				NewFilterRule nfr = new NewFilterRule(_project);
 				WizardDialog wd = new WizardDialog(_shell, nfr);
 				wd.setBlockOnOpen(true);
 				int rc = wd.open();
 				if (rc == WizardDialog.CANCEL)return;

 				FilterRule rule = nfr.getRule();
 				if (rule != null){
 					FilterGroup newGroup = FilterGroup.addRule(_selectedGroup, rule);
 					_validator.replaceFilterGroup(_selectedGroup, newGroup);
 					_selectedGroup = newGroup;
 					refresh();
 				}
 			}

 		});

 		_remove = new Button(buttons, SWT.PUSH | SWT.FILL | SWT.CENTER);
 		_remove.setLayoutData(new GridData(SWT.FILL, SWT.TOP, true, false, 1, 1));
 		_remove.setText(ValUIMessages.ButtonRemove);
 		_remove.addSelectionListener(new SelectionListener(){

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

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

 		Button restore = new Button(buttons, SWT.PUSH | SWT.FILL | SWT.CENTER);
 		restore.setLayoutData(new GridData(SWT.FILL, SWT.TOP, true, false, 1, 1));
 		String defaults = JFaceResources.getString("defaults"); //$NON-NLS-1$
 		restore.setText(defaults);
 		restore.addSelectionListener(new SelectionListener(){

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

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

 	private void restoreDefaults() {
 		if (_validator.isV2Validator()){
 			try {
 				String id = _validator.getId();
 				Validator[] vals = ValManager.getDefaultValidators();
 				for (Validator v : vals){
 					if (v.getId().equals(id)){
 						_validator = new ValidatorMutable(v);
 						_tree.setInput(_validator);
 						_tree.expandAll();
 						refresh();
 						return;
 					}
 				}
 			}
 			catch (InvocationTargetException e){

 			}
 		}

 	}


 	private void addMessageMappings(Composite c) {
 		if (!_validator.isV2Validator())return;
 		Map<String,MessageSeveritySetting> mappings = _validator.getMessageSettings();
 		if (mappings == null || mappings.size() == 0)return;

 		Group group = new Group(c, SWT.NONE);
 		group.setText(ValUIMessages.FrMsgSev);
 		group.setLayoutData(new GridData(SWT.FILL, SWT.TOP, true, false, 2, 1));
 		group.setLayout(new GridLayout(2, false));

 //		Label heading = new Label(c, SWT.LEFT);
 //		heading.setText(ValUIMessages.ErrorsWarnings);
 //		heading.setFont(JFaceResources.getHeaderFont());
 //		heading.setLayoutData(new GridData(SWT.FILL, SWT.TOP, true, false, 2, 1));

 		_messageSev = new Combo[mappings.size()];
 		int i= 0;
 		for (MessageSeveritySetting ms : mappings.values()){
 			Label label = new Label(group, SWT.LEFT);
 			label.setText("   " + ms.getLabel() + ":"); //$NON-NLS-1$ //$NON-NLS-2$

 			Combo sev = new Combo(group, SWT.RIGHT);
 			_messageSev[i++] = sev;
 			sev.setItems(_messages);
 			sev.select(ms.getCurrent().ordinal());
 			sev.setData(ms);
 			sev.addSelectionListener(new SelectionListener(){

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

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

 				private void select(SelectionEvent e){
 					Combo w = (Combo)e.widget;
 					MessageSeveritySetting ms = (MessageSeveritySetting)w.getData();
 					int i = w.getSelectionIndex();
 					if (ms.setCurrent(MessageSeveritySetting.Severity.values()[i]))
 						_validator.bumpChangeCountMessages();
 				}

 			});
 		}
 	}

 	/**
 	 * Add a combo box so that the user can change which delegating validator to call.
 	 */
 	private void addDelegatorSelection(Composite c) {
 		Map map = ValidatorDelegatesRegistry.getInstance().getDelegateDescriptors(_validator.getValidatorClassname());
 		if (map == null)return;

 		Composite line = new Composite(c, SWT.NONE);
 		line.setLayout(new RowLayout(SWT.HORIZONTAL));
 		line.setLayoutData(new GridData(SWT.FILL, SWT.TOP, true, false, 2, 1));

 		Label label = new Label(line, SWT.CENTER);
 		label.setText(ValUIMessages.DelegatesComboLabel);


 		_delegating = new Combo(line, SWT.READ_ONLY);
 		String[] items = new String[map.size()];
 		final String ids[] = new String[map.size()];
 		String selected = null;
 		Iterator it = map.values().iterator();
 		for (int i=0; i<items.length;i++){
 			ValidatorDelegateDescriptor vd = (ValidatorDelegateDescriptor)it.next();
 			items[i] = vd.getName();
 			ids[i] = vd.getId();
 			if (vd.getId().equals(_validator.getDelegatingId())){
 				selected = vd.getName();
 			}
 		}
 		_delegating.setItems(items);
 		_delegating.setText(selected);
 		_delegating.addSelectionListener(new SelectionListener(){

 			public void widgetDefaultSelected(SelectionEvent e) {
 			}

 			public void widgetSelected(SelectionEvent e) {
 				int sel = _delegating.getSelectionIndex();
 				_validator.setDelegatingId(ids[sel]);
 			}

 		});
 	}

 	/**
 	 * Add a new filter group to the validator.
 	 * @param exclude
 	 */
 	private void addGroup(boolean exclude){
 		if (!_validator.isV2Validator())return;
 		FilterRule[] rules = new FilterRule[0];
 		_validator.add(FilterGroup.create(exclude, rules));
 		refresh();

 	}

 	private void refresh(){
 		_tree.refresh();
 		_tree.expandAll();
 		updateButtons();
 	}

 	/**
 	 * Remove the current selection from the validator.
 	 */
 	private void remove(){
 		if (_selectedRule != null){
 			FilterGroup group = findGroup(_selectedRule);
 			if (group != null){
 				FilterGroup newGroup = FilterGroup.removeRule(group, _selectedRule);
 				_validator.replaceFilterGroup(group, newGroup);
 				refresh();
 			}
 		}

 		if (_selectedGroup != null){
 			_validator.remove(_selectedGroup);
 			refresh();
 			return;
 		}
 	}

 	/**
 	 * Find the group in the current validator that has this rule.
 	 * @param rule The rule that we are searching for.
 	 * @return null if we can not find the group.
 	 */
 	private FilterGroup findGroup(FilterRule rule) {
 		for (FilterGroup group : _validator.getGroups()){
 			for (FilterRule fr : group.getRules()){
 				if (fr.equals(rule))return group;
 			}
 		}
 		return null;
 	}

 	private void updateButtons() {
 		if (_validator.isV2Validator()){
 			_addGroupExclude.setEnabled(!ValidatorHelper.hasExcludeGroup(_validator));
 		}
 		_addRule.setEnabled(_selectedGroup != null);
 		_remove.setEnabled(_selectedGroup != null || _selectedRule != null);
 		if (_messageSev != null){
 			Map<String,MessageSeveritySetting> msgs = _validator.getMessageSettings();
 			if (msgs != null && _messageSev.length == msgs.size()){
 				int i = 0;
 				for (MessageSeveritySetting ms : msgs.values()){
 					_messageSev[i++].select(ms.getCurrent().ordinal());
 				}
 			}
 		}
 	}


 	public boolean close() {
 		Platform.getAdapterManager().unregisterAdapters(_adaptorFactory);
 		if (_tree != null)_tree.removeSelectionChangedListener(_nodeChangedListener);
 		return super.close();
 	}

 	protected Point getInitialSize() {
 		return new Point(600, 475);
 	}

 	public ValidatorMutable getValidator() {
 		return _validator;
 	}
 }
	/*******************************************************************************
	* 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.lang.reflect.InvocationTargetException;
	import java.util.Iterator;
	import java.util.Map;

	import org.eclipse.core.resources.IProject;
	import org.eclipse.core.runtime.IAdapterFactory;
	import org.eclipse.core.runtime.Platform;
	import org.eclipse.jface.dialogs.Dialog;
	import org.eclipse.jface.resource.JFaceResources;
	import org.eclipse.jface.viewers.ISelectionChangedListener;
	import org.eclipse.jface.viewers.IStructuredSelection;
	import org.eclipse.jface.viewers.SelectionChangedEvent;
	import org.eclipse.jface.viewers.TreeViewer;
	import org.eclipse.jface.wizard.WizardDialog;
	import org.eclipse.osgi.util.NLS;
	import org.eclipse.swt.SWT;
	import org.eclipse.swt.events.SelectionEvent;
	import org.eclipse.swt.events.SelectionListener;
	import org.eclipse.swt.graphics.Point;
	import org.eclipse.swt.layout.GridData;
	import org.eclipse.swt.layout.GridLayout;
	import org.eclipse.swt.layout.RowLayout;
	import org.eclipse.swt.widgets.Button;
	import org.eclipse.swt.widgets.Combo;
	import org.eclipse.swt.widgets.Composite;
	import org.eclipse.swt.widgets.Control;
	import org.eclipse.swt.widgets.Group;
	import org.eclipse.swt.widgets.Label;
	import org.eclipse.swt.widgets.Shell;
	import org.eclipse.ui.model.BaseWorkbenchContentProvider;
	import org.eclipse.ui.model.WorkbenchLabelProvider;
	import org.eclipse.wst.validation.MessageSeveritySetting;
	import org.eclipse.wst.validation.Validator;
	import org.eclipse.wst.validation.internal.ValManager;
	import org.eclipse.wst.validation.internal.ValMessages;
	import org.eclipse.wst.validation.internal.ValidatorMutable;
	import org.eclipse.wst.validation.internal.delegates.ValidatorDelegateDescriptor;
	import org.eclipse.wst.validation.internal.delegates.ValidatorDelegatesRegistry;
	import org.eclipse.wst.validation.internal.model.FilterGroup;
	import org.eclipse.wst.validation.internal.model.FilterRule;
	import org.eclipse.wst.validation.internal.model.ValidatorHelper;
	import org.eclipse.wst.validation.ui.internal.AdapterFactory;
	import org.eclipse.wst.validation.ui.internal.ValUIMessages;

	/**
	* Display a filter dialog for a particular Validator, that is a list of all the filters that are active for
	* the validator.
	*
	* @author karasiuk
	*
	*/
	public final class FilterDialog extends Dialog {

	/**
	* If we are doing project level filters this will point to the project. This is null if we are doing
	* workspace level filters.
	*/
	private IProject _project;

	private ValidatorMutable _validator;

	private TreeViewer _tree;
	private Combo _delegating;
	private IAdapterFactory _adaptorFactory = new AdapterFactory();

	private Button _addGroupInclude;
	private Button _addGroupExclude;
	private Button _addRule;
	private Button _remove;
	private ISelectionChangedListener _nodeChangedListener;

	/** The currently selected group. If a rule is selected instead, then this will be null. */
	private FilterGroup _selectedGroup;

	/** The currently selected rule. If a group is selected instead, then this will be null. */
	private FilterRule _selectedRule;

	private Combo[] _messageSev;

	private static String[] _messages = new String[]{
	ValMessages.SevError, ValMessages.SevWarning, ValMessages.SevIgnore};

	private Shell _shell;

	/**
	* Create a dialog that knows how to change a validator's filters.
	*
	* @param shell
	*
	* @param validator the validator that is being updated.
	*
	* @param project the project that the filters are being added to. If these are workspace
	* level filters, then this must be null.
	*/
	public FilterDialog(Shell shell, ValidatorMutable validator, IProject project){
	super(shell);
	_shell = shell;
	setShellStyle(getShellStyle() \| SWT.CLOSE\|SWT.MIN\|SWT.MAX\|SWT.RESIZE);
	_validator = validator;
	_project = project;
	}

	protected void configureShell(Shell newShell) {
	super.configureShell(newShell);
	newShell.setText(NLS.bind(ValUIMessages.fdTitle, _validator.getName()));
	}

	protected Control createDialogArea(Composite parent) {
	Composite c = (Composite)super.createDialogArea(parent);
	c.setLayout(new GridLayout(2, false));
	if (!_validator.isV2Validator()){
	new Label(c, SWT.NONE).setText(ValUIMessages.fdNoFilters);
	}
	else {
	Label blurb = new Label(c, SWT.LEFT \| SWT.WRAP);
	blurb.setLayoutData(new GridData(SWT.FILL, SWT.TOP, true, false, 2, 1));
	blurb.setText(ValUIMessages.FilterHelp);

	_tree = new TreeViewer(c, SWT.SINGLE \| SWT.H_SCROLL \| SWT.V_SCROLL \| SWT.BORDER);
	_tree.getControl().setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
	Platform.getAdapterManager().registerAdapters(_adaptorFactory, ValidatorMutable.class);
	Platform.getAdapterManager().registerAdapters(_adaptorFactory, FilterGroup.class);
	Platform.getAdapterManager().registerAdapters(_adaptorFactory, FilterRule.class);
	_tree.setContentProvider(new BaseWorkbenchContentProvider());
	_tree.setLabelProvider(new WorkbenchLabelProvider());
	_tree.setInput(_validator);
	_tree.expandAll();

	addButtons(c);

	String delegatingId = _validator.getDelegatingId();
	if (delegatingId != null){
	addDelegatorSelection(c);
	}

	_nodeChangedListener = new ISelectionChangedListener(){

	public void selectionChanged(SelectionChangedEvent event) {
	_selectedGroup = null;
	_selectedRule = null;
	if (event.getSelection() instanceof IStructuredSelection){
	IStructuredSelection sel = (IStructuredSelection)event.getSelection();
	if (sel.getFirstElement() instanceof FilterGroup){
	_selectedGroup = (FilterGroup)sel.getFirstElement();
	}
	else if (sel.getFirstElement() instanceof FilterRule){
	_selectedRule = (FilterRule)sel.getFirstElement();
	}
	}
	updateButtons();
	}

	};

	_tree.addSelectionChangedListener(_nodeChangedListener);

	addMessageMappings(c);
	}
	return c;
	}

	private void addButtons(Composite c) {
	Composite buttons = new Composite(c, SWT.TOP);
	GridData gd = new GridData(SWT.LEFT, SWT.TOP, false, false, 1, 1);
	buttons.setLayoutData(gd);
	buttons.setLayout(new GridLayout(1, true));
	_addGroupInclude = new Button(buttons, SWT.PUSH \| SWT.FILL \| SWT.CENTER);
	_addGroupInclude.setText(ValUIMessages.ButtonAddGroupInclude);
	_addGroupInclude.setLayoutData(new GridData(SWT.FILL, SWT.TOP, true, false, 1, 1));

	_addGroupInclude.addSelectionListener(new SelectionListener(){

	public void widgetDefaultSelected(SelectionEvent e) {
	addGroup(false);
	}

	public void widgetSelected(SelectionEvent e) {
	addGroup(false);
	}

	});

	_addGroupExclude = new Button(buttons, SWT.PUSH \| SWT.FILL \| SWT.CENTER);
	_addGroupExclude.setText(ValUIMessages.ButtonAddGroupExclude);
	_addGroupExclude.setLayoutData(new GridData(SWT.FILL, SWT.TOP, true, false, 1, 1));

	_addGroupExclude.addSelectionListener(new SelectionListener(){

	public void widgetDefaultSelected(SelectionEvent e) {
	addGroup(true);
	}

	public void widgetSelected(SelectionEvent e) {
	addGroup(true);
	}

	});

	_addRule = new Button(buttons, SWT.PUSH \| SWT.FILL \| SWT.CENTER);
	_addRule.setText(ValUIMessages.ButtonAddRule);
	_addRule.setLayoutData(new GridData(SWT.FILL, SWT.TOP, true, false, 1, 1));
	_addRule.addSelectionListener(new SelectionListener(){

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

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

	private void doIt(){
	NewFilterRule nfr = new NewFilterRule(_project);
	WizardDialog wd = new WizardDialog(_shell, nfr);
	wd.setBlockOnOpen(true);
	int rc = wd.open();
	if (rc == WizardDialog.CANCEL)return;

	FilterRule rule = nfr.getRule();
	if (rule != null){
	FilterGroup newGroup = FilterGroup.addRule(_selectedGroup, rule);
	_validator.replaceFilterGroup(_selectedGroup, newGroup);
	_selectedGroup = newGroup;
	refresh();
	}
	}

	});

	_remove = new Button(buttons, SWT.PUSH \| SWT.FILL \| SWT.CENTER);
	_remove.setLayoutData(new GridData(SWT.FILL, SWT.TOP, true, false, 1, 1));
	_remove.setText(ValUIMessages.ButtonRemove);
	_remove.addSelectionListener(new SelectionListener(){

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

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

	Button restore = new Button(buttons, SWT.PUSH \| SWT.FILL \| SWT.CENTER);
	restore.setLayoutData(new GridData(SWT.FILL, SWT.TOP, true, false, 1, 1));
	String defaults = JFaceResources.getString("defaults"); //$NON-NLS-1$
	restore.setText(defaults);
	restore.addSelectionListener(new SelectionListener(){

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

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

	private void restoreDefaults() {
	if (_validator.isV2Validator()){
	try {
	String id = _validator.getId();
	Validator[] vals = ValManager.getDefaultValidators();
	for (Validator v : vals){
	if (v.getId().equals(id)){
	_validator = new ValidatorMutable(v);
	_tree.setInput(_validator);
	_tree.expandAll();
	refresh();
	return;
	}
	}
	}
	catch (InvocationTargetException e){

	}
	}

	}


	private void addMessageMappings(Composite c) {
	if (!_validator.isV2Validator())return;
	Map<String,MessageSeveritySetting> mappings = _validator.getMessageSettings();
	if (mappings == null \|\| mappings.size() == 0)return;

	Group group = new Group(c, SWT.NONE);
	group.setText(ValUIMessages.FrMsgSev);
	group.setLayoutData(new GridData(SWT.FILL, SWT.TOP, true, false, 2, 1));
	group.setLayout(new GridLayout(2, false));

	// Label heading = new Label(c, SWT.LEFT);
	// heading.setText(ValUIMessages.ErrorsWarnings);
	// heading.setFont(JFaceResources.getHeaderFont());
	// heading.setLayoutData(new GridData(SWT.FILL, SWT.TOP, true, false, 2, 1));

	_messageSev = new Combo[mappings.size()];
	int i= 0;
	for (MessageSeveritySetting ms : mappings.values()){
	Label label = new Label(group, SWT.LEFT);
	label.setText(" " + ms.getLabel() + ":"); //$NON-NLS-1$ //$NON-NLS-2$

	Combo sev = new Combo(group, SWT.RIGHT);
	_messageSev[i++] = sev;
	sev.setItems(_messages);
	sev.select(ms.getCurrent().ordinal());
	sev.setData(ms);
	sev.addSelectionListener(new SelectionListener(){

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

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

	private void select(SelectionEvent e){
	Combo w = (Combo)e.widget;
	MessageSeveritySetting ms = (MessageSeveritySetting)w.getData();
	int i = w.getSelectionIndex();
	if (ms.setCurrent(MessageSeveritySetting.Severity.values()[i]))
	_validator.bumpChangeCountMessages();
	}

	});
	}
	}

	/**
	* Add a combo box so that the user can change which delegating validator to call.
	*/
	private void addDelegatorSelection(Composite c) {
	Map map = ValidatorDelegatesRegistry.getInstance().getDelegateDescriptors(_validator.getValidatorClassname());
	if (map == null)return;

	Composite line = new Composite(c, SWT.NONE);
	line.setLayout(new RowLayout(SWT.HORIZONTAL));
	line.setLayoutData(new GridData(SWT.FILL, SWT.TOP, true, false, 2, 1));

	Label label = new Label(line, SWT.CENTER);
	label.setText(ValUIMessages.DelegatesComboLabel);


	_delegating = new Combo(line, SWT.READ_ONLY);
	String[] items = new String[map.size()];
	final String ids[] = new String[map.size()];
	String selected = null;
	Iterator it = map.values().iterator();
	for (int i=0; i<items.length;i++){
	ValidatorDelegateDescriptor vd = (ValidatorDelegateDescriptor)it.next();
	items[i] = vd.getName();
	ids[i] = vd.getId();
	if (vd.getId().equals(_validator.getDelegatingId())){
	selected = vd.getName();
	}
	}
	_delegating.setItems(items);
	_delegating.setText(selected);
	_delegating.addSelectionListener(new SelectionListener(){

	public void widgetDefaultSelected(SelectionEvent e) {
	}

	public void widgetSelected(SelectionEvent e) {
	int sel = _delegating.getSelectionIndex();
	_validator.setDelegatingId(ids[sel]);
	}

	});
	}

	/**
	* Add a new filter group to the validator.
	* @param exclude
	*/
	private void addGroup(boolean exclude){
	if (!_validator.isV2Validator())return;
	FilterRule[] rules = new FilterRule[0];
	_validator.add(FilterGroup.create(exclude, rules));
	refresh();

	}

	private void refresh(){
	_tree.refresh();
	_tree.expandAll();
	updateButtons();
	}

	/**
	* Remove the current selection from the validator.
	*/
	private void remove(){
	if (_selectedRule != null){
	FilterGroup group = findGroup(_selectedRule);
	if (group != null){
	FilterGroup newGroup = FilterGroup.removeRule(group, _selectedRule);
	_validator.replaceFilterGroup(group, newGroup);
	refresh();
	}
	}

	if (_selectedGroup != null){
	_validator.remove(_selectedGroup);
	refresh();
	return;
	}
	}

	/**
	* Find the group in the current validator that has this rule.
	* @param rule The rule that we are searching for.
	* @return null if we can not find the group.
	*/
	private FilterGroup findGroup(FilterRule rule) {
	for (FilterGroup group : _validator.getGroups()){
	for (FilterRule fr : group.getRules()){
	if (fr.equals(rule))return group;
	}
	}
	return null;
	}

	private void updateButtons() {
	if (_validator.isV2Validator()){
	_addGroupExclude.setEnabled(!ValidatorHelper.hasExcludeGroup(_validator));
	}
	_addRule.setEnabled(_selectedGroup != null);
	_remove.setEnabled(_selectedGroup != null \|\| _selectedRule != null);
	if (_messageSev != null){
	Map<String,MessageSeveritySetting> msgs = _validator.getMessageSettings();
	if (msgs != null && _messageSev.length == msgs.size()){
	int i = 0;
	for (MessageSeveritySetting ms : msgs.values()){
	_messageSev[i++].select(ms.getCurrent().ordinal());
	}
	}
	}
	}


	public boolean close() {
	Platform.getAdapterManager().unregisterAdapters(_adaptorFactory);
	if (_tree != null)_tree.removeSelectionChangedListener(_nodeChangedListener);
	return super.close();
	}

	protected Point getInitialSize() {
	return new Point(600, 475);
	}

	public ValidatorMutable getValidator() {
	return _validator;
	}
	}