ant/org.eclipse.ant.ui/Ant Tools Support/org/eclipse/ant/internal/ui/views/actions/SearchForBuildFilesDialog.java - platform/eclipse.platform - Git at Google

 /*******************************************************************************
  * Copyright (c) 2000, 2015 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.ant.internal.ui.views.actions;

 import java.util.ArrayList;
 import java.util.Iterator;
 import java.util.List;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;

 import org.eclipse.ant.internal.core.IAntCoreConstants;
 import org.eclipse.ant.internal.ui.AntUIPlugin;
 import org.eclipse.ant.internal.ui.IAntUIHelpContextIds;
 import org.eclipse.ant.internal.ui.IAntUIPreferenceConstants;
 import org.eclipse.core.resources.IFile;
 import org.eclipse.core.resources.IResource;
 import org.eclipse.core.resources.IResourceProxy;
 import org.eclipse.core.resources.IResourceProxyVisitor;
 import org.eclipse.core.resources.ResourcesPlugin;
 import org.eclipse.core.runtime.CoreException;
 import org.eclipse.core.runtime.IAdaptable;
 import org.eclipse.jface.dialogs.IDialogSettings;
 import org.eclipse.jface.dialogs.InputDialog;
 import org.eclipse.jface.window.Window;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.events.SelectionAdapter;
 import org.eclipse.swt.events.SelectionEvent;
 import org.eclipse.swt.graphics.Font;
 import org.eclipse.swt.layout.GridData;
 import org.eclipse.swt.layout.GridLayout;
 import org.eclipse.swt.widgets.Button;
 import org.eclipse.swt.widgets.Composite;
 import org.eclipse.swt.widgets.Control;
 import org.eclipse.swt.widgets.Display;
 import org.eclipse.swt.widgets.Group;
 import org.eclipse.swt.widgets.Shell;
 import org.eclipse.swt.widgets.Text;
 import org.eclipse.ui.IWorkingSet;
 import org.eclipse.ui.PlatformUI;
 import org.eclipse.ui.dialogs.IWorkingSetSelectionDialog;

 /**
  * This dialog allows the user to search for Ant build files whose names match a given pattern. The search may be performed on the entire workspace or
  * it can be limited to a particular working set.
  */
 public class SearchForBuildFilesDialog extends InputDialog {

 	/**
 	 * List of <code>IFile</code> objects that were found
 	 */
 	private List<IResource> results = new ArrayList<>();
 	/**
 	 * List of <code>IResource</code> objects in which to search.
 	 *
 	 * If the searchScopes are <code>null</code>, the user has asked to search the workspace. If the searchScopes are empty, the user has asked to
 	 * search a working set that has no resources.
 	 */
 	private List<IResource> searchScopes = null;
 	/**
 	 * The working set scope radio button.
 	 */
 	private Button workingSetScopeButton;
 	/**
 	 * The workspace scope radio button.
 	 */
 	private Button workspaceScopeButton;
 	/**
 	 * The text field that displays the current working set name
 	 */
 	private Text workingSetText;
 	/**
 	 * The button that allows the user to decide if error results should be parsed
 	 */
 	private Button includeErrorResultButton;
 	/**
 	 * The dialog settings used to persist this dialog's settings.
 	 */
 	private static IDialogSettings settings = AntUIPlugin.getDefault().getDialogSettings();

 	/**
 	 * Initialize any dialog settings that haven't been set.
 	 */
 	static {
 		if (settings.get(IAntUIPreferenceConstants.ANTVIEW_LAST_SEARCH_STRING) == null) {
 			settings.put(IAntUIPreferenceConstants.ANTVIEW_LAST_SEARCH_STRING, "build.xml"); //$NON-NLS-1$
 		}
 		if (settings.get(IAntUIPreferenceConstants.ANTVIEW_LAST_WORKINGSET_SEARCH_SCOPE) == null) {
 			settings.put(IAntUIPreferenceConstants.ANTVIEW_LAST_WORKINGSET_SEARCH_SCOPE, IAntCoreConstants.EMPTY_STRING);
 		}
 	}

 	/**
 	 * Creates a new dialog to search for build files.
 	 */
 	public SearchForBuildFilesDialog() {
 		super(Display.getCurrent().getActiveShell(), AntViewActionMessages.SearchForBuildFilesDialog_Search_for_Build_Files_1, AntViewActionMessages.SearchForBuildFilesDialog__Input, settings.get(IAntUIPreferenceConstants.ANTVIEW_LAST_SEARCH_STRING), newText -> {
 			String trimmedText = newText.trim();
 			if (trimmedText.length() == 0) {
 				return AntViewActionMessages.SearchForBuildFilesDialog_Build_name_cannot_be_empty_3;
 			}
 			return null;
 		});
 	}

 	/**
 	 * Change the label on the "Ok" button and initialize the enabled state
 	 */
 	@Override
 	protected void createButtonsForButtonBar(Composite parent) {
 		super.createButtonsForButtonBar(parent);
 		getOkButton().setText(AntViewActionMessages.SearchForBuildFilesDialog__Search_4);

 		String workingSetName = settings.get(IAntUIPreferenceConstants.ANTVIEW_LAST_WORKINGSET_SEARCH_SCOPE);
 		if (workingSetName.length() > 0) {
 			setWorkingSet(PlatformUI.getWorkbench().getWorkingSetManager().getWorkingSet(workingSetName));
 		}
 		if (!settings.getBoolean(IAntUIPreferenceConstants.ANTVIEW_USE_WORKINGSET_SEARCH_SCOPE)) {
 			selectRadioButton(workspaceScopeButton);
 			handleRadioButtonPressed();
 		}
 	}

 	/**
 	 * Add the scope selection widgets to the dialog area
 	 */
 	@Override
 	protected Control createDialogArea(Composite parent) {
 		Font font = parent.getFont();

 		Composite composite = (Composite) super.createDialogArea(parent);
 		createIncludeErrorResultButton(composite, font);
 		createScopeGroup(composite, font);
 		return composite;
 	}

 	private void createScopeGroup(Composite composite, Font font) {
 		Group scope = new Group(composite, SWT.NONE);
 		scope.setText(AntViewActionMessages.SearchForBuildFilesDialog_Scope_5);
 		GridData data = new GridData(GridData.FILL_BOTH);
 		scope.setLayoutData(data);
 		GridLayout layout = new GridLayout(3, false);
 		scope.setLayout(layout);
 		scope.setFont(font);

 		// Create a composite for the radio buttons
 		Composite radioComposite = new Composite(scope, SWT.NONE);
 		GridLayout radioLayout = new GridLayout();
 		radioLayout.marginHeight = 0;
 		radioComposite.setLayout(radioLayout);

 		SelectionAdapter selectionListener = new SelectionAdapter() {
 			@Override
 			public void widgetSelected(SelectionEvent e) {
 				handleRadioButtonPressed();
 			}
 		};

 		workspaceScopeButton = new Button(radioComposite, SWT.RADIO);
 		workspaceScopeButton.setFont(font);
 		workspaceScopeButton.setText(AntViewActionMessages.SearchForBuildFilesDialog__Workspace_6);
 		workspaceScopeButton.addSelectionListener(selectionListener);

 		workingSetScopeButton = new Button(radioComposite, SWT.RADIO);
 		workingSetScopeButton.setFont(font);
 		workingSetScopeButton.setText(AntViewActionMessages.SearchForBuildFilesDialog_Wor_king_Set__7);
 		workingSetScopeButton.addSelectionListener(selectionListener);

 		selectRadioButton(workspaceScopeButton);

 		workingSetText = new Text(scope, SWT.BORDER);
 		workingSetText.setEditable(false);
 		data = new GridData(GridData.FILL_HORIZONTAL | GridData.VERTICAL_ALIGN_END);
 		workingSetText.setLayoutData(data);
 		workingSetText.setFont(font);

 		Button chooseButton = new Button(scope, SWT.PUSH);
 		data = new GridData(GridData.VERTICAL_ALIGN_END);
 		chooseButton.setLayoutData(data);
 		chooseButton.setFont(font);
 		chooseButton.setText(AntViewActionMessages.SearchForBuildFilesDialog__Choose____8);
 		chooseButton.addSelectionListener(new SelectionAdapter() {
 			@Override
 			public void widgetSelected(SelectionEvent evt) {
 				handleChooseButtonPressed();
 			}
 		});
 	}

 	/**
 	 * Programatically selects the given radio button, deselecting the other radio button.
 	 *
 	 * @param button
 	 *            the radio button to select. This parameter must be one of either the <code>workingSetScopeButton</code> or the
 	 *            <code>workspaceScopeButton</code> or this method will have no effect.
 	 */
 	private void selectRadioButton(Button button) {
 		if (button == workingSetScopeButton) {
 			workingSetScopeButton.setSelection(true);
 			workspaceScopeButton.setSelection(false);
 		} else if (button == workspaceScopeButton) {
 			workspaceScopeButton.setSelection(true);
 			workingSetScopeButton.setSelection(false);
 		}
 	}

 	/**
 	 * One of the search scope radio buttons has been pressed. Update the dialog accordingly.
 	 */
 	private void handleRadioButtonPressed() {
 		if (workingSetScopeButton.getSelection()) {
 			IWorkingSet set = PlatformUI.getWorkbench().getWorkingSetManager().getWorkingSet(getWorkingSetName());
 			if (set != null) {
 				setWorkingSet(set);
 				return;
 			}
 		}
 		setWorkingSet(null);
 	}

 	/**
 	 * Returns the working set name currently displayed.
 	 */
 	private String getWorkingSetName() {
 		return workingSetText.getText().trim();
 	}

 	/**
 	 * Creates the button that allows the user to specify whether or not build files should that cannot be parsed should be included in the results.
 	 */
 	private void createIncludeErrorResultButton(Composite composite, Font font) {
 		includeErrorResultButton = new Button(composite, SWT.CHECK);
 		includeErrorResultButton.setFont(font);
 		includeErrorResultButton.setText(AntViewActionMessages.SearchForBuildFilesDialog_Include_errors);
 		includeErrorResultButton.setSelection(settings.getBoolean(IAntUIPreferenceConstants.ANTVIEW_INCLUDE_ERROR_SEARCH_RESULTS));
 	}

 	/**
 	 * Updates the dialog based on the state of the working set settings
 	 * <ul>
 	 * <li>Sets the enablement of the "Search" button based on the validity of the settings</li>
 	 * <li>Sets any or clears the error message</li>
 	 * </ul>
 	 */
 	private void updateForWorkingSetSettings() {
 		if (workingSetScopeButton.getSelection()) {
 			String error = null;
 			if (searchScopes == null) {
 				error = AntViewActionMessages.SearchForBuildFilesDialog_Must_select_a_working_set_10;
 			} else if (searchScopes.isEmpty()) {
 				error = AntViewActionMessages.SearchForBuildFilesDialog_No_searchable;
 			}
 			if (error != null) {
 				setErrorMessage(error);
 				getOkButton().setEnabled(false);
 				return;
 			}
 		}
 		getOkButton().setEnabled(true);
 		setErrorMessage(null);
 	}

 	/**
 	 * Handles the working set choose button pressed. Returns the name of the chosen working set or <code>null</code> if none.
 	 */
 	private void handleChooseButtonPressed() {
 		IWorkingSetSelectionDialog dialog = PlatformUI.getWorkbench().getWorkingSetManager().createWorkingSetSelectionDialog(getShell(), false);
 		if (dialog.open() == Window.CANCEL) {
 			return;
 		}
 		IWorkingSet[] sets = dialog.getSelection();
 		if (sets == null) {
 			return;
 		}
 		if (sets.length == 0) {
 			setWorkingSet(null); // ok pressed with no working set selected
 		} else {
 			setWorkingSet(sets[0]); // We disallowed multi-select
 		}
 	}

 	/**
 	 * Sets the current working set search scope. This populates the search scope with resources found in the given working set and updates the
 	 * enabled state of the dialog based on the sets contents.
 	 *
 	 * @param set
 	 *            the working set scope for the search
 	 */
 	private void setWorkingSet(IWorkingSet set) {
 		if (set == null) {
 			searchScopes = null;
 			workingSetText.setText(IAntCoreConstants.EMPTY_STRING);
 			validateInput();
 			return;
 		}
 		searchScopes = new ArrayList<>();
 		for (IAdaptable adaptable : set.getElements()) {
 			// Try to get an IResource object from each element
 			IResource resource = null;
 			if (adaptable instanceof IResource) {
 				resource = (IResource) adaptable;
 			} else {
 				resource = adaptable.getAdapter(IResource.class);
 			}
 			if (resource != null) {
 				searchScopes.add(resource);
 			}
 		}
 		workingSetText.setText(set.getName());
 		selectRadioButton(workingSetScopeButton);

 		validateInput();
 	}

 	/**
 	 * Returns the trimmed user input
 	 */
 	private String getInput() {
 		return getText().getText().trim();
 	}

 	/**
 	 * Returns the search results
 	 */
 	public IFile[] getResults() {
 		return results.toArray(new IFile[results.size()]);
 	}

 	/**
 	 * Returns whether the user wishes to include results which cannot be parsed.
 	 */
 	protected boolean getIncludeErrorResults() {
 		return settings.getBoolean(IAntUIPreferenceConstants.ANTVIEW_INCLUDE_ERROR_SEARCH_RESULTS);
 	}

 	/**
 	 * When the user presses the search button (tied to the OK id), search the workspace for files matching the regular expression in the input field.
 	 */
 	@Override
 	protected void okPressed() {
 		String input = getInput();
 		settings.put(IAntUIPreferenceConstants.ANTVIEW_LAST_SEARCH_STRING, input);
 		settings.put(IAntUIPreferenceConstants.ANTVIEW_INCLUDE_ERROR_SEARCH_RESULTS, includeErrorResultButton.getSelection());
 		settings.put(IAntUIPreferenceConstants.ANTVIEW_LAST_WORKINGSET_SEARCH_SCOPE, getWorkingSetName());
 		settings.put(IAntUIPreferenceConstants.ANTVIEW_USE_WORKINGSET_SEARCH_SCOPE, workingSetScopeButton.getSelection());
 		results = new ArrayList<>(); // Clear previous results
 		ResourceProxyVisitor visitor = new ResourceProxyVisitor();
 		if (searchScopes == null || searchScopes.isEmpty()) {
 			try {
 				ResourcesPlugin.getWorkspace().getRoot().accept(visitor, IResource.NONE);
 			}
 			catch (CoreException ce) {
 				// Closed project...don't want build files from there
 			}
 		} else {
 			Iterator<IResource> iter = searchScopes.iterator();
 			while (iter.hasNext()) {
 				try {
 					iter.next().accept(visitor, IResource.NONE);
 				}
 				catch (CoreException ce) {
 					// Closed project...don't want build files from there
 				}
 			}
 		}
 		super.okPressed();
 	}

 	/**
 	 * Searches for files whose name matches the given regular expression.
 	 */
 	class ResourceProxyVisitor implements IResourceProxyVisitor {
 		Pattern pattern;

 		ResourceProxyVisitor() {
 			// Users use "*" and "?" where regex uses ".*" and ".?"
 			// The character "." must be escaped in regex
 			String input = getInput();
 			// replace "." with "\\."
 			input = input.replaceAll("\\.", "\\\\."); //$NON-NLS-1$ //$NON-NLS-2$
 			// replace "*" with ".*"
 			input = input.replaceAll("\\*", "\\.\\*"); //$NON-NLS-1$ //$NON-NLS-2$
 			// replace "?" with ".?"
 			input = input.replaceAll("\\?", "\\.\\?"); //$NON-NLS-1$ //$NON-NLS-2$
 			pattern = Pattern.compile(input);
 		}

 		@Override
 		public boolean visit(IResourceProxy proxy) {
 			if (proxy.getType() == IResource.FILE) {
 				Matcher matcher = pattern.matcher(proxy.getName());
 				if (matcher.find()) {
 					results.add(proxy.requestResource());
 				}
 				return false;
 			}
 			return true;
 		}
 	}

 	@Override
 	protected void configureShell(Shell shell) {
 		super.configureShell(shell);
 		PlatformUI.getWorkbench().getHelpSystem().setHelp(shell, IAntUIHelpContextIds.SEARCH_FOR_BUILDFILES_DIALOG);
 	}

 	@Override
 	protected void validateInput() {
 		String errorMessage = null;
 		if (getValidator() != null) {
 			errorMessage = getValidator().isValid(getText().getText());
 		}

 		setErrorMessage(errorMessage);
 		if (errorMessage == null) {
 			updateForWorkingSetSettings();
 		}
 	}
 }
	/*******************************************************************************
	* Copyright (c) 2000, 2015 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.ant.internal.ui.views.actions;

	import java.util.ArrayList;
	import java.util.Iterator;
	import java.util.List;
	import java.util.regex.Matcher;
	import java.util.regex.Pattern;

	import org.eclipse.ant.internal.core.IAntCoreConstants;
	import org.eclipse.ant.internal.ui.AntUIPlugin;
	import org.eclipse.ant.internal.ui.IAntUIHelpContextIds;
	import org.eclipse.ant.internal.ui.IAntUIPreferenceConstants;
	import org.eclipse.core.resources.IFile;
	import org.eclipse.core.resources.IResource;
	import org.eclipse.core.resources.IResourceProxy;
	import org.eclipse.core.resources.IResourceProxyVisitor;
	import org.eclipse.core.resources.ResourcesPlugin;
	import org.eclipse.core.runtime.CoreException;
	import org.eclipse.core.runtime.IAdaptable;
	import org.eclipse.jface.dialogs.IDialogSettings;
	import org.eclipse.jface.dialogs.InputDialog;
	import org.eclipse.jface.window.Window;
	import org.eclipse.swt.SWT;
	import org.eclipse.swt.events.SelectionAdapter;
	import org.eclipse.swt.events.SelectionEvent;
	import org.eclipse.swt.graphics.Font;
	import org.eclipse.swt.layout.GridData;
	import org.eclipse.swt.layout.GridLayout;
	import org.eclipse.swt.widgets.Button;
	import org.eclipse.swt.widgets.Composite;
	import org.eclipse.swt.widgets.Control;
	import org.eclipse.swt.widgets.Display;
	import org.eclipse.swt.widgets.Group;
	import org.eclipse.swt.widgets.Shell;
	import org.eclipse.swt.widgets.Text;
	import org.eclipse.ui.IWorkingSet;
	import org.eclipse.ui.PlatformUI;
	import org.eclipse.ui.dialogs.IWorkingSetSelectionDialog;

	/**
	* This dialog allows the user to search for Ant build files whose names match a given pattern. The search may be performed on the entire workspace or
	* it can be limited to a particular working set.
	*/
	public class SearchForBuildFilesDialog extends InputDialog {

	/**
	* List of <code>IFile</code> objects that were found
	*/
	private List<IResource> results = new ArrayList<>();
	/**
	* List of <code>IResource</code> objects in which to search.
	*
	* If the searchScopes are <code>null</code>, the user has asked to search the workspace. If the searchScopes are empty, the user has asked to
	* search a working set that has no resources.
	*/
	private List<IResource> searchScopes = null;
	/**
	* The working set scope radio button.
	*/
	private Button workingSetScopeButton;
	/**
	* The workspace scope radio button.
	*/
	private Button workspaceScopeButton;
	/**
	* The text field that displays the current working set name
	*/
	private Text workingSetText;
	/**
	* The button that allows the user to decide if error results should be parsed
	*/
	private Button includeErrorResultButton;
	/**
	* The dialog settings used to persist this dialog's settings.
	*/
	private static IDialogSettings settings = AntUIPlugin.getDefault().getDialogSettings();

	/**
	* Initialize any dialog settings that haven't been set.
	*/
	static {
	if (settings.get(IAntUIPreferenceConstants.ANTVIEW_LAST_SEARCH_STRING) == null) {
	settings.put(IAntUIPreferenceConstants.ANTVIEW_LAST_SEARCH_STRING, "build.xml"); //$NON-NLS-1$
	}
	if (settings.get(IAntUIPreferenceConstants.ANTVIEW_LAST_WORKINGSET_SEARCH_SCOPE) == null) {
	settings.put(IAntUIPreferenceConstants.ANTVIEW_LAST_WORKINGSET_SEARCH_SCOPE, IAntCoreConstants.EMPTY_STRING);
	}
	}

	/**
	* Creates a new dialog to search for build files.
	*/
	public SearchForBuildFilesDialog() {
	super(Display.getCurrent().getActiveShell(), AntViewActionMessages.SearchForBuildFilesDialog_Search_for_Build_Files_1, AntViewActionMessages.SearchForBuildFilesDialog__Input, settings.get(IAntUIPreferenceConstants.ANTVIEW_LAST_SEARCH_STRING), newText -> {
	String trimmedText = newText.trim();
	if (trimmedText.length() == 0) {
	return AntViewActionMessages.SearchForBuildFilesDialog_Build_name_cannot_be_empty_3;
	}
	return null;
	});
	}

	/**
	* Change the label on the "Ok" button and initialize the enabled state
	*/
	@Override
	protected void createButtonsForButtonBar(Composite parent) {
	super.createButtonsForButtonBar(parent);
	getOkButton().setText(AntViewActionMessages.SearchForBuildFilesDialog__Search_4);

	String workingSetName = settings.get(IAntUIPreferenceConstants.ANTVIEW_LAST_WORKINGSET_SEARCH_SCOPE);
	if (workingSetName.length() > 0) {
	setWorkingSet(PlatformUI.getWorkbench().getWorkingSetManager().getWorkingSet(workingSetName));
	}
	if (!settings.getBoolean(IAntUIPreferenceConstants.ANTVIEW_USE_WORKINGSET_SEARCH_SCOPE)) {
	selectRadioButton(workspaceScopeButton);
	handleRadioButtonPressed();
	}
	}

	/**
	* Add the scope selection widgets to the dialog area
	*/
	@Override
	protected Control createDialogArea(Composite parent) {
	Font font = parent.getFont();

	Composite composite = (Composite) super.createDialogArea(parent);
	createIncludeErrorResultButton(composite, font);
	createScopeGroup(composite, font);
	return composite;
	}

	private void createScopeGroup(Composite composite, Font font) {
	Group scope = new Group(composite, SWT.NONE);
	scope.setText(AntViewActionMessages.SearchForBuildFilesDialog_Scope_5);
	GridData data = new GridData(GridData.FILL_BOTH);
	scope.setLayoutData(data);
	GridLayout layout = new GridLayout(3, false);
	scope.setLayout(layout);
	scope.setFont(font);

	// Create a composite for the radio buttons
	Composite radioComposite = new Composite(scope, SWT.NONE);
	GridLayout radioLayout = new GridLayout();
	radioLayout.marginHeight = 0;
	radioComposite.setLayout(radioLayout);

	SelectionAdapter selectionListener = new SelectionAdapter() {
	@Override
	public void widgetSelected(SelectionEvent e) {
	handleRadioButtonPressed();
	}
	};

	workspaceScopeButton = new Button(radioComposite, SWT.RADIO);
	workspaceScopeButton.setFont(font);
	workspaceScopeButton.setText(AntViewActionMessages.SearchForBuildFilesDialog__Workspace_6);
	workspaceScopeButton.addSelectionListener(selectionListener);

	workingSetScopeButton = new Button(radioComposite, SWT.RADIO);
	workingSetScopeButton.setFont(font);
	workingSetScopeButton.setText(AntViewActionMessages.SearchForBuildFilesDialog_Wor_king_Set__7);
	workingSetScopeButton.addSelectionListener(selectionListener);

	selectRadioButton(workspaceScopeButton);

	workingSetText = new Text(scope, SWT.BORDER);
	workingSetText.setEditable(false);
	data = new GridData(GridData.FILL_HORIZONTAL \| GridData.VERTICAL_ALIGN_END);
	workingSetText.setLayoutData(data);
	workingSetText.setFont(font);

	Button chooseButton = new Button(scope, SWT.PUSH);
	data = new GridData(GridData.VERTICAL_ALIGN_END);
	chooseButton.setLayoutData(data);
	chooseButton.setFont(font);
	chooseButton.setText(AntViewActionMessages.SearchForBuildFilesDialog__Choose____8);
	chooseButton.addSelectionListener(new SelectionAdapter() {
	@Override
	public void widgetSelected(SelectionEvent evt) {
	handleChooseButtonPressed();
	}
	});
	}

	/**
	* Programatically selects the given radio button, deselecting the other radio button.
	*
	* @param button
	* the radio button to select. This parameter must be one of either the <code>workingSetScopeButton</code> or the
	* <code>workspaceScopeButton</code> or this method will have no effect.
	*/
	private void selectRadioButton(Button button) {
	if (button == workingSetScopeButton) {
	workingSetScopeButton.setSelection(true);
	workspaceScopeButton.setSelection(false);
	} else if (button == workspaceScopeButton) {
	workspaceScopeButton.setSelection(true);
	workingSetScopeButton.setSelection(false);
	}
	}

	/**
	* One of the search scope radio buttons has been pressed. Update the dialog accordingly.
	*/
	private void handleRadioButtonPressed() {
	if (workingSetScopeButton.getSelection()) {
	IWorkingSet set = PlatformUI.getWorkbench().getWorkingSetManager().getWorkingSet(getWorkingSetName());
	if (set != null) {
	setWorkingSet(set);
	return;
	}
	}
	setWorkingSet(null);
	}

	/**
	* Returns the working set name currently displayed.
	*/
	private String getWorkingSetName() {
	return workingSetText.getText().trim();
	}

	/**
	* Creates the button that allows the user to specify whether or not build files should that cannot be parsed should be included in the results.
	*/
	private void createIncludeErrorResultButton(Composite composite, Font font) {
	includeErrorResultButton = new Button(composite, SWT.CHECK);
	includeErrorResultButton.setFont(font);
	includeErrorResultButton.setText(AntViewActionMessages.SearchForBuildFilesDialog_Include_errors);
	includeErrorResultButton.setSelection(settings.getBoolean(IAntUIPreferenceConstants.ANTVIEW_INCLUDE_ERROR_SEARCH_RESULTS));
	}

	/**
	* Updates the dialog based on the state of the working set settings
	* <ul>
	* <li>Sets the enablement of the "Search" button based on the validity of the settings</li>
	* <li>Sets any or clears the error message</li>
	* </ul>
	*/
	private void updateForWorkingSetSettings() {
	if (workingSetScopeButton.getSelection()) {
	String error = null;
	if (searchScopes == null) {
	error = AntViewActionMessages.SearchForBuildFilesDialog_Must_select_a_working_set_10;
	} else if (searchScopes.isEmpty()) {
	error = AntViewActionMessages.SearchForBuildFilesDialog_No_searchable;
	}
	if (error != null) {
	setErrorMessage(error);
	getOkButton().setEnabled(false);
	return;
	}
	}
	getOkButton().setEnabled(true);
	setErrorMessage(null);
	}

	/**
	* Handles the working set choose button pressed. Returns the name of the chosen working set or <code>null</code> if none.
	*/
	private void handleChooseButtonPressed() {
	IWorkingSetSelectionDialog dialog = PlatformUI.getWorkbench().getWorkingSetManager().createWorkingSetSelectionDialog(getShell(), false);
	if (dialog.open() == Window.CANCEL) {
	return;
	}
	IWorkingSet[] sets = dialog.getSelection();
	if (sets == null) {
	return;
	}
	if (sets.length == 0) {
	setWorkingSet(null); // ok pressed with no working set selected
	} else {
	setWorkingSet(sets[0]); // We disallowed multi-select
	}
	}

	/**
	* Sets the current working set search scope. This populates the search scope with resources found in the given working set and updates the
	* enabled state of the dialog based on the sets contents.
	*
	* @param set
	* the working set scope for the search
	*/
	private void setWorkingSet(IWorkingSet set) {
	if (set == null) {
	searchScopes = null;
	workingSetText.setText(IAntCoreConstants.EMPTY_STRING);
	validateInput();
	return;
	}
	searchScopes = new ArrayList<>();
	for (IAdaptable adaptable : set.getElements()) {
	// Try to get an IResource object from each element
	IResource resource = null;
	if (adaptable instanceof IResource) {
	resource = (IResource) adaptable;
	} else {
	resource = adaptable.getAdapter(IResource.class);
	}
	if (resource != null) {
	searchScopes.add(resource);
	}
	}
	workingSetText.setText(set.getName());
	selectRadioButton(workingSetScopeButton);

	validateInput();
	}

	/**
	* Returns the trimmed user input
	*/
	private String getInput() {
	return getText().getText().trim();
	}

	/**
	* Returns the search results
	*/
	public IFile[] getResults() {
	return results.toArray(new IFile[results.size()]);
	}

	/**
	* Returns whether the user wishes to include results which cannot be parsed.
	*/
	protected boolean getIncludeErrorResults() {
	return settings.getBoolean(IAntUIPreferenceConstants.ANTVIEW_INCLUDE_ERROR_SEARCH_RESULTS);
	}

	/**
	* When the user presses the search button (tied to the OK id), search the workspace for files matching the regular expression in the input field.
	*/
	@Override
	protected void okPressed() {
	String input = getInput();
	settings.put(IAntUIPreferenceConstants.ANTVIEW_LAST_SEARCH_STRING, input);
	settings.put(IAntUIPreferenceConstants.ANTVIEW_INCLUDE_ERROR_SEARCH_RESULTS, includeErrorResultButton.getSelection());
	settings.put(IAntUIPreferenceConstants.ANTVIEW_LAST_WORKINGSET_SEARCH_SCOPE, getWorkingSetName());
	settings.put(IAntUIPreferenceConstants.ANTVIEW_USE_WORKINGSET_SEARCH_SCOPE, workingSetScopeButton.getSelection());
	results = new ArrayList<>(); // Clear previous results
	ResourceProxyVisitor visitor = new ResourceProxyVisitor();
	if (searchScopes == null \|\| searchScopes.isEmpty()) {
	try {
	ResourcesPlugin.getWorkspace().getRoot().accept(visitor, IResource.NONE);
	}
	catch (CoreException ce) {
	// Closed project...don't want build files from there
	}
	} else {
	Iterator<IResource> iter = searchScopes.iterator();
	while (iter.hasNext()) {
	try {
	iter.next().accept(visitor, IResource.NONE);
	}
	catch (CoreException ce) {
	// Closed project...don't want build files from there
	}
	}
	}
	super.okPressed();
	}

	/**
	* Searches for files whose name matches the given regular expression.
	*/
	class ResourceProxyVisitor implements IResourceProxyVisitor {
	Pattern pattern;

	ResourceProxyVisitor() {
	// Users use "" and "?" where regex uses "." and ".?"
	// The character "." must be escaped in regex
	String input = getInput();
	// replace "." with "\\."
	input = input.replaceAll("\\.", "\\\\."); //$NON-NLS-1$ //$NON-NLS-2$
	// replace "" with "."
	input = input.replaceAll("\\", "\\.\\"); //$NON-NLS-1$ //$NON-NLS-2$
	// replace "?" with ".?"
	input = input.replaceAll("\\?", "\\.\\?"); //$NON-NLS-1$ //$NON-NLS-2$
	pattern = Pattern.compile(input);
	}

	@Override
	public boolean visit(IResourceProxy proxy) {
	if (proxy.getType() == IResource.FILE) {
	Matcher matcher = pattern.matcher(proxy.getName());
	if (matcher.find()) {
	results.add(proxy.requestResource());
	}
	return false;
	}
	return true;
	}
	}

	@Override
	protected void configureShell(Shell shell) {
	super.configureShell(shell);
	PlatformUI.getWorkbench().getHelpSystem().setHelp(shell, IAntUIHelpContextIds.SEARCH_FOR_BUILDFILES_DIALOG);
	}

	@Override
	protected void validateInput() {
	String errorMessage = null;
	if (getValidator() != null) {
	errorMessage = getValidator().isValid(getText().getText());
	}

	setErrorMessage(errorMessage);
	if (errorMessage == null) {
	updateForWorkingSetSettings();
	}
	}
	}