bundles/org.eclipse.team.cvs.ui/src/org/eclipse/team/internal/ccvs/ui/IgnoreResourcesDialog.java - gerrit/platform/eclipse.platform.team - Git at Google

 /*******************************************************************************
  * Copyright (c) 2000, 2007 IBM Corporation and others.
  *
  * This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License 2.0
  * which accompanies this distribution, and is available at
  * https://www.eclipse.org/legal/epl-2.0/
  *
  * SPDX-License-Identifier: EPL-2.0
  *
  * Contributors:
  *     IBM Corporation - initial API and implementation
  *******************************************************************************/
 package org.eclipse.team.internal.ccvs.ui;

 import org.eclipse.core.resources.IResource;
 import org.eclipse.jface.dialogs.*;
 import org.eclipse.jface.fieldassist.*;
 import org.eclipse.osgi.util.NLS;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.graphics.Image;
 import org.eclipse.swt.layout.GridData;
 import org.eclipse.swt.layout.GridLayout;
 import org.eclipse.swt.widgets.*;
 import org.eclipse.team.internal.ccvs.core.util.FileNameMatcher;
 import org.eclipse.ui.PlatformUI;

 public class IgnoreResourcesDialog extends TitleAreaDialog {
 	// resources that should be ignored
 	private IResource[] resources;

 	// preference keys
 	private final String ACTION_KEY = "Action"; //$NON-NLS-1$
 	private static final int ADD_NAME_ENTRY = 0;
 	private static final int ADD_EXTENSION_ENTRY = 1;
 	private static final int ADD_CUSTOM_ENTRY = 2;

 	// dialogs settings that are persistent between workbench sessions
 	private IDialogSettings settings;

 	// buttons
 	private Button addNameEntryButton;
 	private Button addExtensionEntryButton;
 	private Button addCustomEntryButton;
 	private Text customEntryText;

 	private int selectedAction;
 	private String customPattern;

 	// layout controls
 	private static final int LABEL_INDENT_WIDTH = 32;

 	/**
 	 * Image for title area
 	 */
 	private Image dlgTitleImage = null;

 	// to avoid an error/warning message at startup default values are as below
 	private boolean resourceWithSpaces = false;
 	private boolean allResourecesHaveExtensions = true;
 	private boolean allResourcesWithSpacesHaveExtensions = true;

 	/**
 	 * Creates a new dialog for ignoring resources.
 	 * @param shell the parent shell
 	 * @param resources the array of resources to be ignored
 	 */
 	public IgnoreResourcesDialog(Shell shell, IResource[] resources) {
 		super(shell);
 		this.resources = resources;

 		IDialogSettings workbenchSettings = CVSUIPlugin.getPlugin().getDialogSettings();
 		this.settings = workbenchSettings.getSection("IgnoreResourcesDialog"); //$NON-NLS-1$
 		if (settings == null) {
 			this.settings = workbenchSettings.addNewSection("IgnoreResourcesDialog"); //$NON-NLS-1$
 		}

 		try {
 			selectedAction = settings.getInt(ACTION_KEY);
 		} catch (NumberFormatException e) {
 			selectedAction = ADD_NAME_ENTRY;
 		}

 		resourceWithSpaces = checkForResourcesWithSpaces();
 		allResourecesHaveExtensions = checkIfAllResourcesHaveExtensions();
 		allResourcesWithSpacesHaveExtensions  = checkIfAllResourcesWithSpacesHaveExtensions();
 	}

 	/**
 	 * Determines the ignore pattern to use for a resource given the selected action.
 	 *
 	 * @param resource the resource
 	 * @return the ignore pattern for the specified resource
 	 */
 	public String getIgnorePatternFor(IResource resource) {
 		switch (selectedAction) {
 			case ADD_NAME_ENTRY:
 				return resource.getName();
 			case ADD_EXTENSION_ENTRY: {
 				String extension = resource.getFileExtension();
 				return (extension == null) ? resource.getName() : "*." + extension; //$NON-NLS-1$
 			}
 			case ADD_CUSTOM_ENTRY:
 				return customPattern;
 		}
 		throw new IllegalStateException();
 	}

 	@Override
 	protected void createButtonsForButtonBar(Composite parent) {
 		createButton(parent, IDialogConstants.OK_ID, IDialogConstants.OK_LABEL, true);
 		createButton(parent, IDialogConstants.CANCEL_ID, IDialogConstants.CANCEL_LABEL, false);
 	}

 	@Override
 	protected void configureShell(Shell newShell) {
 		super.configureShell(newShell);
 		newShell.setText(CVSUIMessages.IgnoreResourcesDialog_dialogTitle);
 	}

 	@Override
 	protected Control createContents(Composite parent) {
 		Control control = super.createContents(parent);
 		dlgTitleImage = CVSUIPlugin.getPlugin().getImageDescriptor(
 				ICVSUIConstants.IMG_WIZBAN_NEW_LOCATION).createImage();
 		setTitleImage(dlgTitleImage);
 		updateEnablements();
 		setTitle(CVSUIMessages.IgnoreResourcesDialog_title);
 		setErrorMessage(null);
 		setDefaultMessage();
 		return control;
 	}

 	@Override
 	protected Control createDialogArea(Composite parent) {
 		Composite top = new Composite((Composite) super
 				.createDialogArea(parent), SWT.NONE);
 		GridLayout layout = new GridLayout();
 		layout.marginHeight = convertVerticalDLUsToPixels(IDialogConstants.VERTICAL_MARGIN);
 		layout.marginWidth = convertHorizontalDLUsToPixels(IDialogConstants.HORIZONTAL_MARGIN);
 		layout.verticalSpacing = convertVerticalDLUsToPixels(IDialogConstants.VERTICAL_SPACING);
 		layout.horizontalSpacing = convertHorizontalDLUsToPixels(IDialogConstants.HORIZONTAL_SPACING);
 		top.setLayout(layout);
 		top.setLayoutData(new GridData(GridData.FILL_BOTH));

 		PlatformUI.getWorkbench().getHelpSystem().setHelp(top, IHelpContextIds.ADD_TO_CVSIGNORE);

 		Listener selectionListener = event -> updateEnablements();
 		Listener modifyListener = event -> validate();

 		addNameEntryButton = createRadioButton(top, CVSUIMessages.IgnoreResourcesDialog_addNameEntryButton);
 		addNameEntryButton.addListener(SWT.Selection, selectionListener);
 		addNameEntryButton.setSelection(selectedAction == ADD_NAME_ENTRY);
 		Label addNameEntryLabel = createIndentedLabel(top, CVSUIMessages.IgnoreResourcesDialog_addNameEntryExample, LABEL_INDENT_WIDTH);

 		addExtensionEntryButton = createRadioButton(top, CVSUIMessages.IgnoreResourcesDialog_addExtensionEntryButton);
 		addExtensionEntryButton.addListener(SWT.Selection, selectionListener);
 		addExtensionEntryButton.setSelection(selectedAction == ADD_EXTENSION_ENTRY);
 		Label addExtensionEntryLabel = createIndentedLabel(top, CVSUIMessages.IgnoreResourcesDialog_addExtensionEntryExample, LABEL_INDENT_WIDTH);

 		addCustomEntryButton = createRadioButton(top, CVSUIMessages.IgnoreResourcesDialog_addCustomEntryButton);
 		addCustomEntryButton.addListener(SWT.Selection, selectionListener);
 		addCustomEntryButton.setSelection(selectedAction == ADD_CUSTOM_ENTRY);
 		createIndentedLabel(top, CVSUIMessages.IgnoreResourcesDialog_addCustomEntryExample, LABEL_INDENT_WIDTH);

 		if (resourceWithSpaces) {
 			customEntryText = createIndentedText(top, getResourceWithSpace()
 					.getName().replaceAll(" ", "?"), LABEL_INDENT_WIDTH); //$NON-NLS-1$ //$NON-NLS-2$
 			ControlDecoration customEntryTextDecoration = new ControlDecoration(
 					customEntryText, SWT.TOP | SWT.LEAD);
 			FieldDecorationRegistry registry = FieldDecorationRegistry
 					.getDefault();
 			FieldDecoration infoDecoration = registry
 					.getFieldDecoration(FieldDecorationRegistry.DEC_INFORMATION);
 			customEntryTextDecoration.setImage(infoDecoration.getImage());
 			customEntryTextDecoration
 					.setDescriptionText(CVSUIMessages.IgnoreResourcesDialog_filesWithSpaceWarning);
 			customEntryTextDecoration.setShowOnlyOnFocus(false);
 			GridData gridData = new GridData(GridData.FILL_HORIZONTAL);
 			gridData.horizontalIndent = LABEL_INDENT_WIDTH
 					+ FieldDecorationRegistry.getDefault()
 							.getMaximumDecorationWidth();
 			customEntryText.setLayoutData(gridData);
 			customEntryText.setFocus();

 			addNameEntryButton.setEnabled(false);
 			addNameEntryLabel.setEnabled(false);
 			// switch selection to "Custom pattern"
 			if (!addCustomEntryButton.getSelection()) {
 				addNameEntryButton.setSelection(false);
 				addCustomEntryButton.setSelection(true);
 				selectedAction = ADD_CUSTOM_ENTRY;
 			}

 			// when there is at least one resource without extension with spaces
 			// we should disable the "Wildcard extension" option
 			if (!allResourcesWithSpacesHaveExtensions) {
 				addExtensionEntryButton.setEnabled(false);
 				addExtensionEntryLabel.setEnabled(false);
 				// switch selection to "Custom pattern" which is always enabled
 				addExtensionEntryButton.setSelection(false);
 				addCustomEntryButton.setSelection(true);
 				selectedAction = ADD_CUSTOM_ENTRY;
 			}

 		} else {
 			customEntryText = createIndentedText(top, resources[0].getName(),
 					LABEL_INDENT_WIDTH);
 		}

 		customEntryText.addListener(SWT.Modify, modifyListener);

 		applyDialogFont(top);

 		return top;
 	}

 	@Override
 	protected void okPressed() {
 		settings.put(ACTION_KEY, selectedAction);
 		super.okPressed();
 	}

 	private Label createIndentedLabel(Composite parent, String text, int indent) {
 		Label label = new Label(parent, SWT.LEFT);
 		label.setText(text);
 		GridData data = new GridData(GridData.VERTICAL_ALIGN_FILL | GridData.FILL_HORIZONTAL);
 		data.horizontalIndent = indent;
 		label.setLayoutData(data);
 		return label;
 	}

 	private Text createIndentedText(Composite parent, String text, int indent) {
 		Text textbox = new Text(parent, SWT.BORDER);
 		textbox.setText(text);
 		GridData data = new GridData(GridData.HORIZONTAL_ALIGN_FILL);
 		data.horizontalIndent = indent;
 		textbox.setLayoutData(data);
 		return textbox;
 	}

 	private Button createRadioButton(Composite parent, String text) {
 		Button button = new Button(parent, SWT.RADIO);
 		button.setText(text);
 		button.setLayoutData(new GridData(GridData.VERTICAL_ALIGN_FILL | GridData.FILL_HORIZONTAL));
 		return button;
 	}

 	private void updateEnablements() {
 		if (addNameEntryButton.getSelection()) {
 			selectedAction = ADD_NAME_ENTRY;
 		} else if (addExtensionEntryButton.getSelection()) {
 			selectedAction = ADD_EXTENSION_ENTRY;
 		} else if (addCustomEntryButton.getSelection()) {
 			selectedAction = ADD_CUSTOM_ENTRY;
 		}
 		customEntryText.setEnabled(selectedAction == ADD_CUSTOM_ENTRY);
 		validate();
 	}

 	private void validate() {
 		if (selectedAction == ADD_CUSTOM_ENTRY) {
 			customPattern = customEntryText.getText();
 			if (customPattern.length() == 0) {
 				setError(CVSUIMessages.IgnoreResourcesDialog_patternMustNotBeEmpty);
 				return;
 			}
 			FileNameMatcher matcher = new FileNameMatcher(new String[] { customPattern });
 			for (int i = 0; i < resources.length; i++) {
 				String name = resources[i].getName();
 				if (! matcher.match(name)) {
 					setError(NLS.bind(CVSUIMessages.IgnoreResourcesDialog_patternDoesNotMatchFile, new String[] { name }));
 					return;
 				}
 			}
 			if (resourceWithSpaces) {
 				setWarning(CVSUIMessages.IgnoreResourcesDialog_filesWithSpaceWarningMessage);
 				return;
 			}
 		} else if (selectedAction == ADD_EXTENSION_ENTRY && !allResourecesHaveExtensions) {
 			setWarning(CVSUIMessages.IgnoreResourcesDialog_filesWithNoExtensionWarningMessage);
 			return;
 		}
 		setError(null);
 	}

 	/**
 	 * Sets an error message on the dialog.
 	 *
 	 * @param text
 	 *            A message to set. If <code>null</code> the error message
 	 *            will be cleared.
 	 */
 	private void setError(String text) {
 		setErrorMessage(text);
 		// set a non-error message
 		if (text == null)
 			setDefaultMessage();
 		getButton(IDialogConstants.OK_ID).setEnabled(text == null);
 	}

 	private void setWarning(String text) {
 		setError(null);
 		setMessage(text, IMessageProvider.WARNING);
 	}

 	private void setDefaultMessage() {
 		if (resources.length == 1) {
 			setMessage(NLS.bind(
 					CVSUIMessages.IgnoreResourcesDialog_messageSingle,
 					new String[] { resources[0].getName() }));
 		} else {
 			setMessage(NLS.bind(
 					CVSUIMessages.IgnoreResourcesDialog_messageMany,
 					new String[] { Integer.toString(resources.length) }));
 		}
 	}

 	/**
 	 * Check whether at least one of the given resources names contain a space.
 	 *
 	 * @param resources
 	 *            Array of resources to check.
 	 * @return <code>true</code> if a resource filename containing space has
 	 *         been found, <code>false</code> otherwise.
 	 */
 	private boolean checkForResourcesWithSpaces() {
 		return getResourceWithSpace() != null;
 	}

 	private IResource getResourceWithSpace() {
 		for (int i = 0; i < resources.length; i++) {
 			if (resources[i].getName().indexOf(" ") != -1) //$NON-NLS-1$
 				return resources[i];
 		}
 		return null;
 	}

 	private boolean checkIfAllResourcesWithSpacesHaveExtensions() {
 		for (int i = 0; i < resources.length; i++) {
 			if (resources[i].getName().indexOf(" ") != -1 && resources[i].getFileExtension() == null) //$NON-NLS-1$
 				return false;
 		}
 		return true;
 	}

 	private boolean checkIfAllResourcesHaveExtensions() {
 		for (int i = 0; i < resources.length; i++) {
 			if (resources[i].getFileExtension() != null)
 				return true;
 		}
 		// couldn't find a resource with an extension
 		return false;
 	}

 	@Override
 	public boolean close() {
 		if (dlgTitleImage != null) {
 			dlgTitleImage.dispose();
 		}
 		return super.close();
 	}
 }
	/*******************************************************************************
	* Copyright (c) 2000, 2007 IBM Corporation and others.
	*
	* This program and the accompanying materials
	* are made available under the terms of the Eclipse Public License 2.0
	* which accompanies this distribution, and is available at
	* https://www.eclipse.org/legal/epl-2.0/
	*
	* SPDX-License-Identifier: EPL-2.0
	*
	* Contributors:
	* IBM Corporation - initial API and implementation
	*******************************************************************************/
	package org.eclipse.team.internal.ccvs.ui;

	import org.eclipse.core.resources.IResource;
	import org.eclipse.jface.dialogs.*;
	import org.eclipse.jface.fieldassist.*;
	import org.eclipse.osgi.util.NLS;
	import org.eclipse.swt.SWT;
	import org.eclipse.swt.graphics.Image;
	import org.eclipse.swt.layout.GridData;
	import org.eclipse.swt.layout.GridLayout;
	import org.eclipse.swt.widgets.*;
	import org.eclipse.team.internal.ccvs.core.util.FileNameMatcher;
	import org.eclipse.ui.PlatformUI;

	public class IgnoreResourcesDialog extends TitleAreaDialog {
	// resources that should be ignored
	private IResource[] resources;

	// preference keys
	private final String ACTION_KEY = "Action"; //$NON-NLS-1$
	private static final int ADD_NAME_ENTRY = 0;
	private static final int ADD_EXTENSION_ENTRY = 1;
	private static final int ADD_CUSTOM_ENTRY = 2;

	// dialogs settings that are persistent between workbench sessions
	private IDialogSettings settings;

	// buttons
	private Button addNameEntryButton;
	private Button addExtensionEntryButton;
	private Button addCustomEntryButton;
	private Text customEntryText;

	private int selectedAction;
	private String customPattern;

	// layout controls
	private static final int LABEL_INDENT_WIDTH = 32;

	/**
	* Image for title area
	*/
	private Image dlgTitleImage = null;

	// to avoid an error/warning message at startup default values are as below
	private boolean resourceWithSpaces = false;
	private boolean allResourecesHaveExtensions = true;
	private boolean allResourcesWithSpacesHaveExtensions = true;

	/**
	* Creates a new dialog for ignoring resources.
	* @param shell the parent shell
	* @param resources the array of resources to be ignored
	*/
	public IgnoreResourcesDialog(Shell shell, IResource[] resources) {
	super(shell);
	this.resources = resources;

	IDialogSettings workbenchSettings = CVSUIPlugin.getPlugin().getDialogSettings();
	this.settings = workbenchSettings.getSection("IgnoreResourcesDialog"); //$NON-NLS-1$
	if (settings == null) {
	this.settings = workbenchSettings.addNewSection("IgnoreResourcesDialog"); //$NON-NLS-1$
	}

	try {
	selectedAction = settings.getInt(ACTION_KEY);
	} catch (NumberFormatException e) {
	selectedAction = ADD_NAME_ENTRY;
	}

	resourceWithSpaces = checkForResourcesWithSpaces();
	allResourecesHaveExtensions = checkIfAllResourcesHaveExtensions();
	allResourcesWithSpacesHaveExtensions = checkIfAllResourcesWithSpacesHaveExtensions();
	}

	/**
	* Determines the ignore pattern to use for a resource given the selected action.
	*
	* @param resource the resource
	* @return the ignore pattern for the specified resource
	*/
	public String getIgnorePatternFor(IResource resource) {
	switch (selectedAction) {
	case ADD_NAME_ENTRY:
	return resource.getName();
	case ADD_EXTENSION_ENTRY: {
	String extension = resource.getFileExtension();
	return (extension == null) ? resource.getName() : "*." + extension; //$NON-NLS-1$
	}
	case ADD_CUSTOM_ENTRY:
	return customPattern;
	}
	throw new IllegalStateException();
	}

	@Override
	protected void createButtonsForButtonBar(Composite parent) {
	createButton(parent, IDialogConstants.OK_ID, IDialogConstants.OK_LABEL, true);
	createButton(parent, IDialogConstants.CANCEL_ID, IDialogConstants.CANCEL_LABEL, false);
	}

	@Override
	protected void configureShell(Shell newShell) {
	super.configureShell(newShell);
	newShell.setText(CVSUIMessages.IgnoreResourcesDialog_dialogTitle);
	}

	@Override
	protected Control createContents(Composite parent) {
	Control control = super.createContents(parent);
	dlgTitleImage = CVSUIPlugin.getPlugin().getImageDescriptor(
	ICVSUIConstants.IMG_WIZBAN_NEW_LOCATION).createImage();
	setTitleImage(dlgTitleImage);
	updateEnablements();
	setTitle(CVSUIMessages.IgnoreResourcesDialog_title);
	setErrorMessage(null);
	setDefaultMessage();
	return control;
	}

	@Override
	protected Control createDialogArea(Composite parent) {
	Composite top = new Composite((Composite) super
	.createDialogArea(parent), SWT.NONE);
	GridLayout layout = new GridLayout();
	layout.marginHeight = convertVerticalDLUsToPixels(IDialogConstants.VERTICAL_MARGIN);
	layout.marginWidth = convertHorizontalDLUsToPixels(IDialogConstants.HORIZONTAL_MARGIN);
	layout.verticalSpacing = convertVerticalDLUsToPixels(IDialogConstants.VERTICAL_SPACING);
	layout.horizontalSpacing = convertHorizontalDLUsToPixels(IDialogConstants.HORIZONTAL_SPACING);
	top.setLayout(layout);
	top.setLayoutData(new GridData(GridData.FILL_BOTH));

	PlatformUI.getWorkbench().getHelpSystem().setHelp(top, IHelpContextIds.ADD_TO_CVSIGNORE);

	Listener selectionListener = event -> updateEnablements();
	Listener modifyListener = event -> validate();

	addNameEntryButton = createRadioButton(top, CVSUIMessages.IgnoreResourcesDialog_addNameEntryButton);
	addNameEntryButton.addListener(SWT.Selection, selectionListener);
	addNameEntryButton.setSelection(selectedAction == ADD_NAME_ENTRY);
	Label addNameEntryLabel = createIndentedLabel(top, CVSUIMessages.IgnoreResourcesDialog_addNameEntryExample, LABEL_INDENT_WIDTH);

	addExtensionEntryButton = createRadioButton(top, CVSUIMessages.IgnoreResourcesDialog_addExtensionEntryButton);
	addExtensionEntryButton.addListener(SWT.Selection, selectionListener);
	addExtensionEntryButton.setSelection(selectedAction == ADD_EXTENSION_ENTRY);
	Label addExtensionEntryLabel = createIndentedLabel(top, CVSUIMessages.IgnoreResourcesDialog_addExtensionEntryExample, LABEL_INDENT_WIDTH);

	addCustomEntryButton = createRadioButton(top, CVSUIMessages.IgnoreResourcesDialog_addCustomEntryButton);
	addCustomEntryButton.addListener(SWT.Selection, selectionListener);
	addCustomEntryButton.setSelection(selectedAction == ADD_CUSTOM_ENTRY);
	createIndentedLabel(top, CVSUIMessages.IgnoreResourcesDialog_addCustomEntryExample, LABEL_INDENT_WIDTH);

	if (resourceWithSpaces) {
	customEntryText = createIndentedText(top, getResourceWithSpace()
	.getName().replaceAll(" ", "?"), LABEL_INDENT_WIDTH); //$NON-NLS-1$ //$NON-NLS-2$
	ControlDecoration customEntryTextDecoration = new ControlDecoration(
	customEntryText, SWT.TOP \| SWT.LEAD);
	FieldDecorationRegistry registry = FieldDecorationRegistry
	.getDefault();
	FieldDecoration infoDecoration = registry
	.getFieldDecoration(FieldDecorationRegistry.DEC_INFORMATION);
	customEntryTextDecoration.setImage(infoDecoration.getImage());
	customEntryTextDecoration
	.setDescriptionText(CVSUIMessages.IgnoreResourcesDialog_filesWithSpaceWarning);
	customEntryTextDecoration.setShowOnlyOnFocus(false);
	GridData gridData = new GridData(GridData.FILL_HORIZONTAL);
	gridData.horizontalIndent = LABEL_INDENT_WIDTH
	+ FieldDecorationRegistry.getDefault()
	.getMaximumDecorationWidth();
	customEntryText.setLayoutData(gridData);
	customEntryText.setFocus();

	addNameEntryButton.setEnabled(false);
	addNameEntryLabel.setEnabled(false);
	// switch selection to "Custom pattern"
	if (!addCustomEntryButton.getSelection()) {
	addNameEntryButton.setSelection(false);
	addCustomEntryButton.setSelection(true);
	selectedAction = ADD_CUSTOM_ENTRY;
	}

	// when there is at least one resource without extension with spaces
	// we should disable the "Wildcard extension" option
	if (!allResourcesWithSpacesHaveExtensions) {
	addExtensionEntryButton.setEnabled(false);
	addExtensionEntryLabel.setEnabled(false);
	// switch selection to "Custom pattern" which is always enabled
	addExtensionEntryButton.setSelection(false);
	addCustomEntryButton.setSelection(true);
	selectedAction = ADD_CUSTOM_ENTRY;
	}

	} else {
	customEntryText = createIndentedText(top, resources[0].getName(),
	LABEL_INDENT_WIDTH);
	}

	customEntryText.addListener(SWT.Modify, modifyListener);

	applyDialogFont(top);

	return top;
	}

	@Override
	protected void okPressed() {
	settings.put(ACTION_KEY, selectedAction);
	super.okPressed();
	}

	private Label createIndentedLabel(Composite parent, String text, int indent) {
	Label label = new Label(parent, SWT.LEFT);
	label.setText(text);
	GridData data = new GridData(GridData.VERTICAL_ALIGN_FILL \| GridData.FILL_HORIZONTAL);
	data.horizontalIndent = indent;
	label.setLayoutData(data);
	return label;
	}

	private Text createIndentedText(Composite parent, String text, int indent) {
	Text textbox = new Text(parent, SWT.BORDER);
	textbox.setText(text);
	GridData data = new GridData(GridData.HORIZONTAL_ALIGN_FILL);
	data.horizontalIndent = indent;
	textbox.setLayoutData(data);
	return textbox;
	}

	private Button createRadioButton(Composite parent, String text) {
	Button button = new Button(parent, SWT.RADIO);
	button.setText(text);
	button.setLayoutData(new GridData(GridData.VERTICAL_ALIGN_FILL \| GridData.FILL_HORIZONTAL));
	return button;
	}

	private void updateEnablements() {
	if (addNameEntryButton.getSelection()) {
	selectedAction = ADD_NAME_ENTRY;
	} else if (addExtensionEntryButton.getSelection()) {
	selectedAction = ADD_EXTENSION_ENTRY;
	} else if (addCustomEntryButton.getSelection()) {
	selectedAction = ADD_CUSTOM_ENTRY;
	}
	customEntryText.setEnabled(selectedAction == ADD_CUSTOM_ENTRY);
	validate();
	}

	private void validate() {
	if (selectedAction == ADD_CUSTOM_ENTRY) {
	customPattern = customEntryText.getText();
	if (customPattern.length() == 0) {
	setError(CVSUIMessages.IgnoreResourcesDialog_patternMustNotBeEmpty);
	return;
	}
	FileNameMatcher matcher = new FileNameMatcher(new String[] { customPattern });
	for (int i = 0; i < resources.length; i++) {
	String name = resources[i].getName();
	if (! matcher.match(name)) {
	setError(NLS.bind(CVSUIMessages.IgnoreResourcesDialog_patternDoesNotMatchFile, new String[] { name }));
	return;
	}
	}
	if (resourceWithSpaces) {
	setWarning(CVSUIMessages.IgnoreResourcesDialog_filesWithSpaceWarningMessage);
	return;
	}
	} else if (selectedAction == ADD_EXTENSION_ENTRY && !allResourecesHaveExtensions) {
	setWarning(CVSUIMessages.IgnoreResourcesDialog_filesWithNoExtensionWarningMessage);
	return;
	}
	setError(null);
	}

	/**
	* Sets an error message on the dialog.
	*
	* @param text
	* A message to set. If <code>null</code> the error message
	* will be cleared.
	*/
	private void setError(String text) {
	setErrorMessage(text);
	// set a non-error message
	if (text == null)
	setDefaultMessage();
	getButton(IDialogConstants.OK_ID).setEnabled(text == null);
	}

	private void setWarning(String text) {
	setError(null);
	setMessage(text, IMessageProvider.WARNING);
	}

	private void setDefaultMessage() {
	if (resources.length == 1) {
	setMessage(NLS.bind(
	CVSUIMessages.IgnoreResourcesDialog_messageSingle,
	new String[] { resources[0].getName() }));
	} else {
	setMessage(NLS.bind(
	CVSUIMessages.IgnoreResourcesDialog_messageMany,
	new String[] { Integer.toString(resources.length) }));
	}
	}

	/**
	* Check whether at least one of the given resources names contain a space.
	*
	* @param resources
	* Array of resources to check.
	* @return <code>true</code> if a resource filename containing space has
	* been found, <code>false</code> otherwise.
	*/
	private boolean checkForResourcesWithSpaces() {
	return getResourceWithSpace() != null;
	}

	private IResource getResourceWithSpace() {
	for (int i = 0; i < resources.length; i++) {
	if (resources[i].getName().indexOf(" ") != -1) //$NON-NLS-1$
	return resources[i];
	}
	return null;
	}

	private boolean checkIfAllResourcesWithSpacesHaveExtensions() {
	for (int i = 0; i < resources.length; i++) {
	if (resources[i].getName().indexOf(" ") != -1 && resources[i].getFileExtension() == null) //$NON-NLS-1$
	return false;
	}
	return true;
	}

	private boolean checkIfAllResourcesHaveExtensions() {
	for (int i = 0; i < resources.length; i++) {
	if (resources[i].getFileExtension() != null)
	return true;
	}
	// couldn't find a resource with an extension
	return false;
	}

	@Override
	public boolean close() {
	if (dlgTitleImage != null) {
	dlgTitleImage.dispose();
	}
	return super.close();
	}
	}