bundles/org.eclipse.team.ui/src/org/eclipse/team/internal/ui/wizards/ImportProjectSetMainPage.java - gerrit/platform/eclipse.platform.team - Git at Google

 /*******************************************************************************
  * Copyright (c) 2000, 2017 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.ui.wizards;

 import java.io.File;
 import java.lang.reflect.InvocationTargetException;
 import java.net.MalformedURLException;
 import java.net.URL;

 import org.eclipse.compare.internal.Utilities;
 import org.eclipse.core.resources.ResourcesPlugin;
 import org.eclipse.core.runtime.OperationCanceledException;
 import org.eclipse.jface.dialogs.Dialog;
 import org.eclipse.jface.dialogs.IDialogConstants;
 import org.eclipse.jface.resource.ImageDescriptor;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.dnd.Clipboard;
 import org.eclipse.swt.dnd.TextTransfer;
 import org.eclipse.swt.events.SelectionAdapter;
 import org.eclipse.swt.events.SelectionEvent;
 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.Control;
 import org.eclipse.swt.widgets.FileDialog;
 import org.eclipse.team.internal.ui.IHelpContextIds;
 import org.eclipse.team.internal.ui.IPreferenceIds;
 import org.eclipse.team.internal.ui.ProjectSetImporter;
 import org.eclipse.team.internal.ui.SWTUtils;
 import org.eclipse.team.internal.ui.TeamUIMessages;
 import org.eclipse.team.internal.ui.TeamUIPlugin;
 import org.eclipse.ui.IWorkingSet;
 import org.eclipse.ui.PlatformUI;
 import org.eclipse.ui.dialogs.WorkingSetGroup;

 public class ImportProjectSetMainPage extends TeamWizardPage {
 	Combo fileCombo;
 	String file = ""; //$NON-NLS-1$
 	Button browseButton;

 	String urlString = ""; //$NON-NLS-1$
 	Combo urlCombo;

 	// input type radios
 	private Button fileInputButton;
 	private Button urlInputButton;

 	// input type
 	public static final int InputType_file = 0;
 	public static final int InputType_URL = 1;
 	private int inputType = InputType_file;

 	private boolean runInBackground = isRunInBackgroundPreferenceOn();
 	// a wizard shouldn't be in an error state until the state has been modified by the user
 	private int messageType = NONE;
 	private WorkingSetGroup workingSetGroup;

 	private PsfFilenameStore psfFilenameStore = PsfFilenameStore.getInstance();
 	private PsfUrlStore psfUrlStore = PsfUrlStore.getInstance();

 	public ImportProjectSetMainPage(String pageName, String title,
 			ImageDescriptor titleImage) {
 		super(pageName, title, titleImage);
 		setDescription(TeamUIMessages.ImportProjectSetMainPage_description);
 	}

 	private void setInputType(int inputTypeSelected) {
 		this.inputType = inputTypeSelected;
 		// reset the message type and give the user fresh chance to input
 		// correct data
 		messageType = NONE;
 		// update controls
 		fileInputButton.setSelection(inputType == InputType_file);
 		fileCombo.setEnabled(inputType == InputType_file);
 		browseButton.setEnabled(inputType == InputType_file);
 		urlInputButton.setSelection(inputType == InputType_URL);
 		urlCombo.setEnabled(inputType == InputType_URL);
 		// validate field
 		if (inputType == InputType_file)
 			updateFileEnablement();
 		if (inputType == InputType_URL)
 			updateUrlEnablement();

 	}

 	@Override
 	public void createControl(Composite parent) {
 		Composite composite = createComposite(parent, 1);
 		initializeDialogUnits(composite);

 		// set F1 help
 		PlatformUI.getWorkbench().getHelpSystem().setHelp(composite, IHelpContextIds.IMPORT_PROJECT_SET_PAGE);

 		Composite inner = new Composite(composite, SWT.NULL);
 		inner.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
 		GridLayout layout = new GridLayout();
 		layout.numColumns = 3;
 		layout.marginHeight = 0;
 		layout.marginWidth = 0;
 		inner.setLayout(layout);

 		fileInputButton = new Button(inner, SWT.RADIO);
 		fileInputButton
 				.setText(TeamUIMessages.ImportProjectSetMainPage_Project_Set_File);
 		fileInputButton.setEnabled(true);
 		fileInputButton.addSelectionListener(new SelectionAdapter() {
 			@Override
 			public void widgetSelected(SelectionEvent e) {
 				setInputType(InputType_file);
 			}
 		});

 		fileCombo = createDropDownCombo(inner);
 		file = psfFilenameStore.getSuggestedDefault();
 		fileCombo.setItems(psfFilenameStore.getHistory());
 		fileCombo.setText(file);
 		fileCombo.addListener(SWT.Modify, event -> {
 			file = fileCombo.getText();
 			updateFileEnablement();
 		});

 		browseButton = new Button(inner, SWT.PUSH);
 		browseButton.setText(TeamUIMessages.ImportProjectSetMainPage_Browse_3);

 		urlInputButton = new Button(inner, SWT.RADIO);
 		urlInputButton
 				.setText(TeamUIMessages.ImportProjectSetMainPage_Project_Set_Url);
 		urlInputButton.addSelectionListener(new SelectionAdapter() {
 			@Override
 			public void widgetSelected(SelectionEvent e) {
 				setInputType(InputType_URL);
 			}
 		});
 		urlCombo = createDropDownCombo(inner);
 		urlString = psfUrlStore.getSuggestedDefault();
 		urlCombo.setItems(psfUrlStore.getHistory());
 		urlCombo.setText(urlString);
 		GridData gd = new GridData(GridData.FILL_HORIZONTAL);
 		gd.horizontalSpan = 2;
 		urlCombo.setLayoutData(gd);
 		urlCombo.addListener(SWT.Modify, event -> {
 			urlString = urlCombo.getText();
 			updateUrlEnablement();
 		});

 		GridData data = new GridData();
 		data.horizontalAlignment = GridData.FILL;
 		int widthHint = convertHorizontalDLUsToPixels(IDialogConstants.BUTTON_WIDTH);
 		data.widthHint = Math.max(widthHint, browseButton.computeSize(SWT.DEFAULT, SWT.DEFAULT, true).x);
 		browseButton.setLayoutData(data);
 		browseButton.addListener(SWT.Selection, event -> {
 			FileDialog d = new FileDialog(getShell());
 			d.setFilterExtensions(new String[] {"*.psf", "*"}); //$NON-NLS-1$ //$NON-NLS-2$
 			d.setFilterNames(new String[] {TeamUIMessages.ImportProjectSetMainPage_Project_Set_Files_2, TeamUIMessages.ImportProjectSetMainPage_allFiles}); //
 			String fileName= getFileName();
 			if (fileName != null && fileName.length() > 0) {
 				int separator= fileName.lastIndexOf(File.separatorChar);
 				if (separator != -1) {
 					fileName= fileName.substring(0, separator);
 				}
 			} else {
 				fileName= ResourcesPlugin.getWorkspace().getRoot().getLocation().toString();
 			}
 			d.setFilterPath(fileName);
 			String f = d.open();
 			if (f != null) {
 				fileCombo.setText(f);
 				file = f;
 			}
 		});

 		addWorkingSetSection(composite);

 		Button runInBackgroundCheckbox = SWTUtils.createCheckBox(composite, TeamUIMessages.ImportProjectSetMainPage_runInBackground, 3);

 		runInBackgroundCheckbox.setSelection(isRunInBackgroundPreferenceOn());
 		runInBackgroundCheckbox.addSelectionListener(new SelectionAdapter() {
 			@Override
 			public void widgetSelected(SelectionEvent e) {
 				runInBackground = !runInBackground;
 			}
 		});

 		setControl(composite);
 		setDefaultInputType();
 		Dialog.applyDialogFont(parent);
 	}

 	private void setDefaultInputType() {
 		// check for clipboard contents
 		Control c = getControl();
 		if (c != null) {
 			Clipboard clipboard = new Clipboard(c.getDisplay());
 			Object o = clipboard.getContents(TextTransfer.getInstance());
 			clipboard.dispose();
 			if (o instanceof String) {
 				try {
 					URL url = new URL((String) o);
 					if (url != null) {
 						setInputType(InputType_URL);
 						urlCombo.setText((String) o);
 						return;
 					}
 				} catch (MalformedURLException e) {
 					// ignore, it's not and URL
 				}
 			}
 		}
 		setInputType(InputType_file);
 	}

 	private void addWorkingSetSection(Composite composite) {
 		workingSetGroup = new WorkingSetGroup(
 				composite,
 				null,
 				new String[] { "org.eclipse.ui.resourceWorkingSetPage", //$NON-NLS-1$
 						"org.eclipse.jdt.ui.JavaWorkingSetPage" /* JavaWorkingSetUpdater.ID */}); //$NON-NLS-1$
 	}

 	private void updateUrlEnablement() {
 		boolean complete = false;
 		setMessage(null);
 		setErrorMessage(null);

 		if (urlString.length() == 0) {
 			setMessage(TeamUIMessages.ImportProjectSetMainPage_specifyURL,
 					messageType);
 			complete = false;
 		} else {

 			try {
 				new URL(urlString);
 				// the URL is correct, we can clear the error message
 				complete = true;
 			} catch (MalformedURLException e) {
 				messageType = ERROR;
 				setMessage(TeamUIMessages.ImportProjectSetDialog_malformed_url,
 						messageType);
 				complete = false;
 			}
 		}

 		if (complete) {
 			setErrorMessage(null);
 			setDescription(TeamUIMessages.ImportProjectSetMainPage_description);
 		}

 		setPageComplete(complete);
 	}

 	private void updateFileEnablement() {
 		boolean complete = false;
 		setMessage(null);
 		setErrorMessage(null);

 		if (file.length() == 0) {
 			setMessage(TeamUIMessages.ImportProjectSetMainPage_specifyFile, messageType);
 			setPageComplete(false);
 			return;
 		} else {
 			// See if the file exists
 			File f = new File(file);
 			if (!f.exists()) {
 				messageType = ERROR;
 				setMessage(TeamUIMessages.ImportProjectSetMainPage_The_specified_file_does_not_exist_4, messageType);
 				setPageComplete(false);
 				return;
 			} else if (f.isDirectory()) {
 				messageType = ERROR;
 				setMessage(TeamUIMessages.ImportProjectSetMainPage_You_have_specified_a_folder_5, messageType);
 				setPageComplete(false);
 				return;
 			} else if (!ProjectSetImporter.isValidProjectSetFile(file)) {
 				messageType = ERROR;
 				setMessage(TeamUIMessages.ImportProjectSetMainPage_projectSetFileInvalid, messageType);
 				setPageComplete(false);
 				return;
 			}
 			complete = true;
 		}

 		if (complete) {
 			setErrorMessage(null);
 			setDescription(TeamUIMessages.ImportProjectSetMainPage_description);
 		}

 		setPageComplete(complete);
 	}

 	public String getFileName() {
 		return file;
 	}

 	public String getUrl() {
 		return urlString;
 	}

 	@Override
 	public void setVisible(boolean visible) {
 		super.setVisible(visible);
 		if (visible) {
 			fileCombo.setFocus();
 		}
 	}

 	/**
 	 * Return the working sets selected on the page or an empty array if none
 	 * were selected.
 	 *
 	 * @return the selected working sets or an empty array
 	 */
 	public IWorkingSet[] getWorkingSets() {
 		return workingSetGroup.getSelectedWorkingSets();
 	}

 	private static boolean isRunInBackgroundPreferenceOn() {
 		return TeamUIPlugin.getPlugin().getPreferenceStore().getBoolean(
 				IPreferenceIds.RUN_IMPORT_IN_BACKGROUND);
 	}

 	public boolean isRunInBackgroundOn() {
 		return runInBackground;
 	}

 	public int getInputType() {
 		return inputType;
 	}

 	public String getURLContents() {
 		try {
 			PsfUrlStore.getInstance().remember(urlString);
 			String urlContent = Utilities.getURLContents(new URL(urlString),
 					getContainer());
 			if (ProjectSetImporter.isValidProjectSetString(urlContent)) {
 				return urlContent;
 			} else {
 				messageType = ERROR;
 				setMessage(
 						TeamUIMessages.ImportProjectSetMainPage_projectSetFileInvalid,
 						messageType);
 				setPageComplete(false);
 				return null;
 			}
 		} catch (OperationCanceledException e) { // ignore
 		} catch (InterruptedException e) { // ignore
 		} catch (InvocationTargetException e) {
 			messageType = ERROR;
 			setMessage(
 					TeamUIMessages.ImportProjectSetMainPage_The_given_URL_cannot_be_loaded,
 					messageType);
 			setPageComplete(false);
 		} catch (MalformedURLException e) {
 			// ignore as we tested it with modify listener on combo
 		}
 		return null;
 	}
 }
	/*******************************************************************************
	* Copyright (c) 2000, 2017 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.ui.wizards;

	import java.io.File;
	import java.lang.reflect.InvocationTargetException;
	import java.net.MalformedURLException;
	import java.net.URL;

	import org.eclipse.compare.internal.Utilities;
	import org.eclipse.core.resources.ResourcesPlugin;
	import org.eclipse.core.runtime.OperationCanceledException;
	import org.eclipse.jface.dialogs.Dialog;
	import org.eclipse.jface.dialogs.IDialogConstants;
	import org.eclipse.jface.resource.ImageDescriptor;
	import org.eclipse.swt.SWT;
	import org.eclipse.swt.dnd.Clipboard;
	import org.eclipse.swt.dnd.TextTransfer;
	import org.eclipse.swt.events.SelectionAdapter;
	import org.eclipse.swt.events.SelectionEvent;
	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.Control;
	import org.eclipse.swt.widgets.FileDialog;
	import org.eclipse.team.internal.ui.IHelpContextIds;
	import org.eclipse.team.internal.ui.IPreferenceIds;
	import org.eclipse.team.internal.ui.ProjectSetImporter;
	import org.eclipse.team.internal.ui.SWTUtils;
	import org.eclipse.team.internal.ui.TeamUIMessages;
	import org.eclipse.team.internal.ui.TeamUIPlugin;
	import org.eclipse.ui.IWorkingSet;
	import org.eclipse.ui.PlatformUI;
	import org.eclipse.ui.dialogs.WorkingSetGroup;

	public class ImportProjectSetMainPage extends TeamWizardPage {
	Combo fileCombo;
	String file = ""; //$NON-NLS-1$
	Button browseButton;

	String urlString = ""; //$NON-NLS-1$
	Combo urlCombo;

	// input type radios
	private Button fileInputButton;
	private Button urlInputButton;

	// input type
	public static final int InputType_file = 0;
	public static final int InputType_URL = 1;
	private int inputType = InputType_file;

	private boolean runInBackground = isRunInBackgroundPreferenceOn();
	// a wizard shouldn't be in an error state until the state has been modified by the user
	private int messageType = NONE;
	private WorkingSetGroup workingSetGroup;

	private PsfFilenameStore psfFilenameStore = PsfFilenameStore.getInstance();
	private PsfUrlStore psfUrlStore = PsfUrlStore.getInstance();

	public ImportProjectSetMainPage(String pageName, String title,
	ImageDescriptor titleImage) {
	super(pageName, title, titleImage);
	setDescription(TeamUIMessages.ImportProjectSetMainPage_description);
	}

	private void setInputType(int inputTypeSelected) {
	this.inputType = inputTypeSelected;
	// reset the message type and give the user fresh chance to input
	// correct data
	messageType = NONE;
	// update controls
	fileInputButton.setSelection(inputType == InputType_file);
	fileCombo.setEnabled(inputType == InputType_file);
	browseButton.setEnabled(inputType == InputType_file);
	urlInputButton.setSelection(inputType == InputType_URL);
	urlCombo.setEnabled(inputType == InputType_URL);
	// validate field
	if (inputType == InputType_file)
	updateFileEnablement();
	if (inputType == InputType_URL)
	updateUrlEnablement();

	}

	@Override
	public void createControl(Composite parent) {
	Composite composite = createComposite(parent, 1);
	initializeDialogUnits(composite);

	// set F1 help
	PlatformUI.getWorkbench().getHelpSystem().setHelp(composite, IHelpContextIds.IMPORT_PROJECT_SET_PAGE);

	Composite inner = new Composite(composite, SWT.NULL);
	inner.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
	GridLayout layout = new GridLayout();
	layout.numColumns = 3;
	layout.marginHeight = 0;
	layout.marginWidth = 0;
	inner.setLayout(layout);

	fileInputButton = new Button(inner, SWT.RADIO);
	fileInputButton
	.setText(TeamUIMessages.ImportProjectSetMainPage_Project_Set_File);
	fileInputButton.setEnabled(true);
	fileInputButton.addSelectionListener(new SelectionAdapter() {
	@Override
	public void widgetSelected(SelectionEvent e) {
	setInputType(InputType_file);
	}
	});

	fileCombo = createDropDownCombo(inner);
	file = psfFilenameStore.getSuggestedDefault();
	fileCombo.setItems(psfFilenameStore.getHistory());
	fileCombo.setText(file);
	fileCombo.addListener(SWT.Modify, event -> {
	file = fileCombo.getText();
	updateFileEnablement();
	});

	browseButton = new Button(inner, SWT.PUSH);
	browseButton.setText(TeamUIMessages.ImportProjectSetMainPage_Browse_3);

	urlInputButton = new Button(inner, SWT.RADIO);
	urlInputButton
	.setText(TeamUIMessages.ImportProjectSetMainPage_Project_Set_Url);
	urlInputButton.addSelectionListener(new SelectionAdapter() {
	@Override
	public void widgetSelected(SelectionEvent e) {
	setInputType(InputType_URL);
	}
	});
	urlCombo = createDropDownCombo(inner);
	urlString = psfUrlStore.getSuggestedDefault();
	urlCombo.setItems(psfUrlStore.getHistory());
	urlCombo.setText(urlString);
	GridData gd = new GridData(GridData.FILL_HORIZONTAL);
	gd.horizontalSpan = 2;
	urlCombo.setLayoutData(gd);
	urlCombo.addListener(SWT.Modify, event -> {
	urlString = urlCombo.getText();
	updateUrlEnablement();
	});

	GridData data = new GridData();
	data.horizontalAlignment = GridData.FILL;
	int widthHint = convertHorizontalDLUsToPixels(IDialogConstants.BUTTON_WIDTH);
	data.widthHint = Math.max(widthHint, browseButton.computeSize(SWT.DEFAULT, SWT.DEFAULT, true).x);
	browseButton.setLayoutData(data);
	browseButton.addListener(SWT.Selection, event -> {
	FileDialog d = new FileDialog(getShell());
	d.setFilterExtensions(new String[] {".psf", ""}); //$NON-NLS-1$ //$NON-NLS-2$
	d.setFilterNames(new String[] {TeamUIMessages.ImportProjectSetMainPage_Project_Set_Files_2, TeamUIMessages.ImportProjectSetMainPage_allFiles}); //
	String fileName= getFileName();
	if (fileName != null && fileName.length() > 0) {
	int separator= fileName.lastIndexOf(File.separatorChar);
	if (separator != -1) {
	fileName= fileName.substring(0, separator);
	}
	} else {
	fileName= ResourcesPlugin.getWorkspace().getRoot().getLocation().toString();
	}
	d.setFilterPath(fileName);
	String f = d.open();
	if (f != null) {
	fileCombo.setText(f);
	file = f;
	}
	});

	addWorkingSetSection(composite);

	Button runInBackgroundCheckbox = SWTUtils.createCheckBox(composite, TeamUIMessages.ImportProjectSetMainPage_runInBackground, 3);

	runInBackgroundCheckbox.setSelection(isRunInBackgroundPreferenceOn());
	runInBackgroundCheckbox.addSelectionListener(new SelectionAdapter() {
	@Override
	public void widgetSelected(SelectionEvent e) {
	runInBackground = !runInBackground;
	}
	});

	setControl(composite);
	setDefaultInputType();
	Dialog.applyDialogFont(parent);
	}

	private void setDefaultInputType() {
	// check for clipboard contents
	Control c = getControl();
	if (c != null) {
	Clipboard clipboard = new Clipboard(c.getDisplay());
	Object o = clipboard.getContents(TextTransfer.getInstance());
	clipboard.dispose();
	if (o instanceof String) {
	try {
	URL url = new URL((String) o);
	if (url != null) {
	setInputType(InputType_URL);
	urlCombo.setText((String) o);
	return;
	}
	} catch (MalformedURLException e) {
	// ignore, it's not and URL
	}
	}
	}
	setInputType(InputType_file);
	}

	private void addWorkingSetSection(Composite composite) {
	workingSetGroup = new WorkingSetGroup(
	composite,
	null,
	new String[] { "org.eclipse.ui.resourceWorkingSetPage", //$NON-NLS-1$
	"org.eclipse.jdt.ui.JavaWorkingSetPage" /* JavaWorkingSetUpdater.ID */}); //$NON-NLS-1$
	}

	private void updateUrlEnablement() {
	boolean complete = false;
	setMessage(null);
	setErrorMessage(null);

	if (urlString.length() == 0) {
	setMessage(TeamUIMessages.ImportProjectSetMainPage_specifyURL,
	messageType);
	complete = false;
	} else {

	try {
	new URL(urlString);
	// the URL is correct, we can clear the error message
	complete = true;
	} catch (MalformedURLException e) {
	messageType = ERROR;
	setMessage(TeamUIMessages.ImportProjectSetDialog_malformed_url,
	messageType);
	complete = false;
	}
	}

	if (complete) {
	setErrorMessage(null);
	setDescription(TeamUIMessages.ImportProjectSetMainPage_description);
	}

	setPageComplete(complete);
	}

	private void updateFileEnablement() {
	boolean complete = false;
	setMessage(null);
	setErrorMessage(null);

	if (file.length() == 0) {
	setMessage(TeamUIMessages.ImportProjectSetMainPage_specifyFile, messageType);
	setPageComplete(false);
	return;
	} else {
	// See if the file exists
	File f = new File(file);
	if (!f.exists()) {
	messageType = ERROR;
	setMessage(TeamUIMessages.ImportProjectSetMainPage_The_specified_file_does_not_exist_4, messageType);
	setPageComplete(false);
	return;
	} else if (f.isDirectory()) {
	messageType = ERROR;
	setMessage(TeamUIMessages.ImportProjectSetMainPage_You_have_specified_a_folder_5, messageType);
	setPageComplete(false);
	return;
	} else if (!ProjectSetImporter.isValidProjectSetFile(file)) {
	messageType = ERROR;
	setMessage(TeamUIMessages.ImportProjectSetMainPage_projectSetFileInvalid, messageType);
	setPageComplete(false);
	return;
	}
	complete = true;
	}

	if (complete) {
	setErrorMessage(null);
	setDescription(TeamUIMessages.ImportProjectSetMainPage_description);
	}

	setPageComplete(complete);
	}

	public String getFileName() {
	return file;
	}

	public String getUrl() {
	return urlString;
	}

	@Override
	public void setVisible(boolean visible) {
	super.setVisible(visible);
	if (visible) {
	fileCombo.setFocus();
	}
	}

	/**
	* Return the working sets selected on the page or an empty array if none
	* were selected.
	*
	* @return the selected working sets or an empty array
	*/
	public IWorkingSet[] getWorkingSets() {
	return workingSetGroup.getSelectedWorkingSets();
	}

	private static boolean isRunInBackgroundPreferenceOn() {
	return TeamUIPlugin.getPlugin().getPreferenceStore().getBoolean(
	IPreferenceIds.RUN_IMPORT_IN_BACKGROUND);
	}

	public boolean isRunInBackgroundOn() {
	return runInBackground;
	}

	public int getInputType() {
	return inputType;
	}

	public String getURLContents() {
	try {
	PsfUrlStore.getInstance().remember(urlString);
	String urlContent = Utilities.getURLContents(new URL(urlString),
	getContainer());
	if (ProjectSetImporter.isValidProjectSetString(urlContent)) {
	return urlContent;
	} else {
	messageType = ERROR;
	setMessage(
	TeamUIMessages.ImportProjectSetMainPage_projectSetFileInvalid,
	messageType);
	setPageComplete(false);
	return null;
	}
	} catch (OperationCanceledException e) { // ignore
	} catch (InterruptedException e) { // ignore
	} catch (InvocationTargetException e) {
	messageType = ERROR;
	setMessage(
	TeamUIMessages.ImportProjectSetMainPage_The_given_URL_cannot_be_loaded,
	messageType);
	setPageComplete(false);
	} catch (MalformedURLException e) {
	// ignore as we tested it with modify listener on combo
	}
	return null;
	}
	}