ui/org.eclipse.pde.ui/src/org/eclipse/pde/internal/ui/wizards/imports/PluginImportWizardFirstPage.java - pde/eclipse.pde.ui - Git at Google

 /*******************************************************************************
  * Copyright (c) 2003, 2007 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
  *******************************************************************************/
 /*
  * Created on May 30, 2003
  *
  * To change this generated comment go to
  * Window>Preferences>Java>Code Generation>Code Template
  */
 package org.eclipse.pde.internal.ui.wizards.imports;

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

 import org.eclipse.core.runtime.IPath;
 import org.eclipse.core.runtime.IProgressMonitor;
 import org.eclipse.core.runtime.Path;
 import org.eclipse.core.runtime.Preferences;
 import org.eclipse.jface.dialogs.Dialog;
 import org.eclipse.jface.dialogs.IDialogSettings;
 import org.eclipse.jface.dialogs.IMessageProvider;
 import org.eclipse.jface.operation.IRunnableWithProgress;
 import org.eclipse.jface.preference.IPreferenceNode;
 import org.eclipse.jface.wizard.WizardPage;
 import org.eclipse.pde.core.plugin.IPluginModelBase;
 import org.eclipse.pde.core.plugin.PluginRegistry;
 import org.eclipse.pde.core.plugin.TargetPlatform;
 import org.eclipse.pde.internal.core.ICoreConstants;
 import org.eclipse.pde.internal.core.PDECore;
 import org.eclipse.pde.internal.core.PDEState;
 import org.eclipse.pde.internal.core.PluginPathFinder;
 import org.eclipse.pde.internal.ui.IHelpContextIds;
 import org.eclipse.pde.internal.ui.PDEPlugin;
 import org.eclipse.pde.internal.ui.PDEUIMessages;
 import org.eclipse.pde.internal.ui.preferences.PDEPreferencesUtil;
 import org.eclipse.pde.internal.ui.preferences.SourceCodeLocationsPreferenceNode;
 import org.eclipse.pde.internal.ui.preferences.TargetEnvironmentPreferenceNode;
 import org.eclipse.pde.internal.ui.preferences.TargetPlatformPreferenceNode;
 import org.eclipse.pde.internal.ui.util.SWTUtil;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.events.ModifyEvent;
 import org.eclipse.swt.events.ModifyListener;
 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.DirectoryDialog;
 import org.eclipse.swt.widgets.Group;
 import org.eclipse.swt.widgets.Label;
 import org.eclipse.ui.PlatformUI;

 public class PluginImportWizardFirstPage extends WizardPage {

 	private static String SETTINGS_IMPORTTYPE = "importType"; //$NON-NLS-1$
 	private static String SETTINGS_DOOTHER = "doother"; //$NON-NLS-1$
 	private static String SETTINGS_DROPLOCATION = "droplocation"; //$NON-NLS-1$
 	private static String SETTINGS_SCAN_ALL = "scanAll"; //$NON-NLS-1$

 	private Button runtimeLocationButton;
 	private Button browseButton;
 	private Label otherLocationLabel;
 	private Combo dropLocation;
 	private Button changeButton;

 	private Button importButton;
 	private Button scanButton;

 	private Button binaryButton;
 	private Button binaryWithLinksButton;
 	private Button sourceButton;

 	//private String currentLocation;
 	public static String TARGET_PLATFORM = "targetPlatform"; //$NON-NLS-1$
 	private IPluginModelBase[] models = new IPluginModelBase[0];
 	private boolean canceled = false;

 	public PluginImportWizardFirstPage(String name) {
 		super(name);
 		setTitle(PDEUIMessages.ImportWizard_FirstPage_title);
 		setMessage(PDEUIMessages.ImportWizard_FirstPage_desc);
 		PDEPlugin.getDefault().getLabelProvider().connect(this);
 	}

 	public void createControl(Composite parent) {
 		Composite container = new Composite(parent, SWT.NONE);
 		GridLayout layout = new GridLayout();
 		layout.verticalSpacing = 15;
 		container.setLayout(layout);

 		createDirectoryGroup(container);
 		createImportChoicesGroup(container);
 		createImportOptionsGroup(container);

 		Dialog.applyDialogFont(container);
 		initialize();
 		setControl(container);
 		PlatformUI.getWorkbench().getHelpSystem().setHelp(container, IHelpContextIds.PLUGIN_IMPORT_FIRST_PAGE);
 	}

 	private void createImportChoicesGroup(Composite container) {
 		Group importChoices = new Group(container, SWT.NONE);
 		importChoices.setText(PDEUIMessages.ImportWizard_FirstPage_importGroup);
 		importChoices.setLayout(new GridLayout());
 		importChoices.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

 		scanButton = new Button(importChoices, SWT.RADIO);
 		scanButton.setText(PDEUIMessages.ImportWizard_FirstPage_scanAll);

 		importButton = new Button(importChoices, SWT.RADIO);
 		importButton.setText(PDEUIMessages.ImportWizard_FirstPage_importPrereqs);

 	}

 	private void createImportOptionsGroup(Composite container) {
 		Group options = new Group(container, SWT.NONE);
 		options.setText(PDEUIMessages.ImportWizard_FirstPage_importAs);
 		options.setLayout(new GridLayout());
 		options.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

 		binaryButton = new Button(options, SWT.RADIO);
 		binaryButton.setText(PDEUIMessages.ImportWizard_FirstPage_binary);

 		binaryWithLinksButton = new Button(options, SWT.RADIO);
 		binaryWithLinksButton.setText(PDEUIMessages.ImportWizard_FirstPage_binaryLinks);

 		sourceButton = new Button(options, SWT.RADIO);
 		sourceButton.setText(PDEUIMessages.ImportWizard_FirstPage_source);
 	}


 	private void initialize() {
 		IDialogSettings settings = getDialogSettings();

 		ArrayList items = new ArrayList();
 		for (int i = 0; i < 6; i++) {
 			String curr = settings.get(SETTINGS_DROPLOCATION + String.valueOf(i));
 			if (curr != null && !items.contains(curr)) {
 				items.add(curr);
 			}
 		}
 		dropLocation.setItems((String[]) items.toArray(new String[items.size()]));

 		if (settings.getBoolean(SETTINGS_DOOTHER)) {
 			runtimeLocationButton.setSelection(false);
 			changeButton.setEnabled(false);
 			dropLocation.setText(items.get(0).toString());
 		} else {
 			runtimeLocationButton.setSelection(true);
 			otherLocationLabel.setEnabled(false);
 			dropLocation.setEnabled(false);
 			browseButton.setEnabled(false);
 			dropLocation.setText(getTargetHome());
 		}


 		int importType = PluginImportOperation.IMPORT_BINARY;
 		try {
 			importType = settings.getInt(SETTINGS_IMPORTTYPE);
 		} catch (NumberFormatException e) {
 		}
 		if (importType == PluginImportOperation.IMPORT_BINARY) {
 			binaryButton.setSelection(true);
 		} else if (importType == PluginImportOperation.IMPORT_BINARY_WITH_LINKS) {
 			binaryWithLinksButton.setSelection(true);
 		} else {
 			sourceButton.setSelection(true);
 		}

 		boolean scan = true;
 		if (settings.get(SETTINGS_SCAN_ALL) != null) {
 			scan = settings.getBoolean(SETTINGS_SCAN_ALL);
 		}
 		scanButton.setSelection(scan);
 		importButton.setSelection(!scan);

 	}

 	private void createDirectoryGroup(Composite parent) {
 		Group composite = new Group(parent, SWT.NONE);
 		composite.setText(PDEUIMessages.ImportWizard_FirstPage_importFrom);

 		GridLayout layout = new GridLayout();
 		layout.numColumns = 3;
 		composite.setLayout(layout);
 		composite.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

 		runtimeLocationButton = new Button(composite, SWT.CHECK);
 		GridData gd = new GridData();
 		gd.horizontalSpan = 2;
 		runtimeLocationButton.setLayoutData(gd);

 		runtimeLocationButton.setText(PDEUIMessages.ImportWizard_FirstPage_target);
 		runtimeLocationButton.addSelectionListener(new SelectionAdapter() {
 			public void widgetSelected(SelectionEvent e) {
 				boolean selected = runtimeLocationButton.getSelection();
 				if (selected) {
 					dropLocation.setText(getTargetHome());
 				}
 				otherLocationLabel.setEnabled(!selected);
 				dropLocation.setEnabled(!selected);
 				browseButton.setEnabled(!selected);
 				changeButton.setEnabled(selected);
 				validateDropLocation();
 			}
 		});

 		changeButton = new Button(composite, SWT.PUSH);
 		changeButton.setText(PDEUIMessages.ImportWizard_FirstPage_goToTarget);
 		changeButton.addSelectionListener(new SelectionAdapter() {
 			public void widgetSelected(SelectionEvent e) {
 				handleChangeTargetPlatform();
 			}
 		});
 		changeButton.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL));
 		SWTUtil.setButtonDimensionHint(changeButton);

 		otherLocationLabel = new Label(composite, SWT.NULL);
 		otherLocationLabel.setText(PDEUIMessages.ImportWizard_FirstPage_otherFolder);

 		dropLocation = new Combo(composite, SWT.DROP_DOWN);
 		dropLocation.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
 		dropLocation.addModifyListener(new ModifyListener() {
 			public void modifyText(ModifyEvent e) {
 				validateDropLocation();
 			}
 		});

 		browseButton = new Button(composite, SWT.PUSH);
 		browseButton.setText(PDEUIMessages.ImportWizard_FirstPage_browse);
 		browseButton.addSelectionListener(new SelectionAdapter() {
 			public void widgetSelected(SelectionEvent e) {
 				IPath chosen = chooseDropLocation();
 				if (chosen != null)
 					dropLocation.setText(chosen.toOSString());
 			}
 		});
 		browseButton.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL));
 		SWTUtil.setButtonDimensionHint(browseButton);

 		Label label = new Label(composite, SWT.NONE);
 		label.setText(PDEUIMessages.ImportWizard_FirstPage_source_label);
 		gd = new GridData();
 		gd.horizontalSpan = 2;
 		label.setLayoutData(gd);

 		Button sourceLocations = new Button(composite, SWT.PUSH);
 		sourceLocations.setText(PDEUIMessages.ImportWizard_FirstPage_codeLocations);
 		sourceLocations.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_END));
 		sourceLocations.addSelectionListener(new SelectionAdapter() {
 			public void widgetSelected(SelectionEvent e) {
 				handleSourceLocations();
 			}
 		});
 		SWTUtil.setButtonDimensionHint(sourceLocations);
 		sourceLocations.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL));

 		label = new Label(composite, SWT.WRAP);
 		label.setText(PDEUIMessages.ImportWizard_FirstPage_variables);
 		gd = new GridData();
 		gd.horizontalSpan = 2;
 		label.setLayoutData(gd);

 		Button envButton = new Button(composite, SWT.PUSH);
 		envButton.setText(PDEUIMessages.ImportWizard_FirstPage_env);
 		envButton.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_END| GridData.FILL_HORIZONTAL));
 		envButton.addSelectionListener(new SelectionAdapter() {
 			public void widgetSelected(SelectionEvent e) {
 				handleEnvChange();
 			}
 		});
 		SWTUtil.setButtonDimensionHint(envButton);
 		envButton.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL));

 	}


 	private IPath chooseDropLocation() {
 		DirectoryDialog dialog = new DirectoryDialog(getShell());
 		dialog.setFilterPath(dropLocation.getText());
 		dialog.setText(PDEUIMessages.ImportWizard_messages_folder_title);
 		dialog.setMessage(PDEUIMessages.ImportWizard_messages_folder_message);
 		String res = dialog.open();
 		if (res != null) {
 			return new Path(res);
 		}
 		return null;
 	}

 	private void handleChangeTargetPlatform() {
 		IPreferenceNode targetNode = new TargetPlatformPreferenceNode();
 		if (PDEPreferencesUtil.showPreferencePage(targetNode))
 			dropLocation.setText(TargetPlatform.getLocation());
 	}

 	private void handleSourceLocations() {
 		PDEPreferencesUtil.showPreferencePage(new SourceCodeLocationsPreferenceNode());
 	}

 	private void handleEnvChange() {
 		PDEPreferencesUtil.showPreferencePage(new TargetEnvironmentPreferenceNode());
 	}

 	private String getTargetHome() {
 		Preferences preferences = PDECore.getDefault().getPluginPreferences();
 		return preferences.getString(ICoreConstants.PLATFORM_PATH);
 	}

 	public boolean getScanAllPlugins() {
 		return scanButton.getSelection();
 	}

 	public int getImportType() {
 		if (binaryButton.getSelection()) {
 			return PluginImportOperation.IMPORT_BINARY;
 		}

 		if (binaryWithLinksButton.getSelection()) {
 			return PluginImportOperation.IMPORT_BINARY_WITH_LINKS;
 		}

 		return PluginImportOperation.IMPORT_WITH_SOURCE;
 	}

 	public String getDropLocation() {
 		return runtimeLocationButton.getSelection()
 			? TARGET_PLATFORM
 			: dropLocation.getText().trim();
 	}

 	public void storeSettings() {
 		IDialogSettings settings = getDialogSettings();
 		boolean other = !runtimeLocationButton.getSelection();
 		if (dropLocation.getText().length() > 0 && other) {
 			settings.put(
 				SETTINGS_DROPLOCATION + String.valueOf(0),
 				dropLocation.getText().trim());
 			String[] items = dropLocation.getItems();
 			int nEntries = Math.min(items.length, 5);
 			for (int i = 0; i < nEntries; i++) {
 				settings.put(SETTINGS_DROPLOCATION + String.valueOf(i + 1), items[i]);
 			}
 		}
 		settings.put(SETTINGS_DOOTHER, other);
 		settings.put(SETTINGS_IMPORTTYPE, getImportType());
 		settings.put(SETTINGS_SCAN_ALL, getScanAllPlugins());
 	}

 	public void dispose() {
 		PDEPlugin.getDefault().getLabelProvider().disconnect(this);
 	}

 	private void validateDropLocation() {
 		if (!runtimeLocationButton.getSelection()) {
 			IPath curr = new Path(dropLocation.getText());
 			if (curr.segmentCount() == 0 && curr.getDevice() == null) {
 				setErrorMessage(PDEUIMessages.ImportWizard_errors_locationMissing);
 				setPageComplete(false);
 				return;
 			}
 			if (!Path.ROOT.isValidPath(dropLocation.getText())) {
 				setErrorMessage(PDEUIMessages.ImportWizard_errors_buildFolderInvalid);
 				setPageComplete(false);
 				return;
 			}

 			if (!curr.toFile().isDirectory()) {
 				setErrorMessage(PDEUIMessages.ImportWizard_errors_buildFolderMissing);
 				setPageComplete(false);
 				return;
 			}
 			if (!curr.equals(new Path(getTargetHome()))) {
 				setErrorMessage(null);
 				setMessage(PDEUIMessages.ImportWizard_FirstPage_warning, IMessageProvider.WARNING);
 				setPageComplete(true);
 				return;
 			}
 		}
 		setErrorMessage(null);
 		setPageComplete(true);
 		setMessage(PDEUIMessages.ImportWizard_FirstPage_desc);
 	}

 	private void resolveTargetPlatform() {
 		IRunnableWithProgress op = new IRunnableWithProgress() {
 			public void run(IProgressMonitor monitor) {
 				models = PluginRegistry.getExternalModels();
 				monitor.done();
 			}
 		};
 		try {
 			getContainer().run(true, false, op);
 		} catch (InvocationTargetException e) {
 			PDEPlugin.log(e);
 		} catch (InterruptedException e) {
 		}
 	}

 	private void resolveArbitraryLocation(final String location) {
 		IRunnableWithProgress op = new IRunnableWithProgress() {
 			public void run(IProgressMonitor monitor) {
 				File[] files = new File[2];
 				files[0] = new File(location);
 				files[1] = new File(location, "plugins"); //$NON-NLS-1$
 				URL[] urls = PluginPathFinder.scanLocations(files);
 				URL[] all = new URL[urls.length + 1];
 				try {
 					all[0] = new URL("file:" + files[0].getAbsolutePath()); //$NON-NLS-1$
 					System.arraycopy(urls, 0, all, 1, urls.length);
 				} catch (MalformedURLException e) {
 					all = urls;
 				}
 				PDEState state = new PDEState(all, false, monitor);
 				models = state.getTargetModels();
 				canceled = monitor.isCanceled();
 				monitor.done();
 			}
 		};
 		try {
 			getContainer().run(true, true, op);
 		} catch (InvocationTargetException e) {
 			PDEPlugin.log(e);
 		} catch (InterruptedException e) {
 		}
 	}


 	public IPluginModelBase[] getModels() {
 		String dropLocation = getDropLocation();
 		if (dropLocation.equals(TARGET_PLATFORM)) {
 			resolveTargetPlatform();
 		} else {
 			resolveArbitraryLocation(dropLocation);
 		}
 		return models;
 	}

 	public boolean isCurrentPage() {
 		return super.isCurrentPage();
 	}

 	public boolean isRefreshNeeded() {
 		if (canceled) {
 			canceled = false;
 			return true;
 		}
 		return false;
 	}
 }
	/*******************************************************************************
	* Copyright (c) 2003, 2007 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
	*******************************************************************************/
	/*
	* Created on May 30, 2003
	*
	* To change this generated comment go to
	* Window>Preferences>Java>Code Generation>Code Template
	*/
	package org.eclipse.pde.internal.ui.wizards.imports;

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

	import org.eclipse.core.runtime.IPath;
	import org.eclipse.core.runtime.IProgressMonitor;
	import org.eclipse.core.runtime.Path;
	import org.eclipse.core.runtime.Preferences;
	import org.eclipse.jface.dialogs.Dialog;
	import org.eclipse.jface.dialogs.IDialogSettings;
	import org.eclipse.jface.dialogs.IMessageProvider;
	import org.eclipse.jface.operation.IRunnableWithProgress;
	import org.eclipse.jface.preference.IPreferenceNode;
	import org.eclipse.jface.wizard.WizardPage;
	import org.eclipse.pde.core.plugin.IPluginModelBase;
	import org.eclipse.pde.core.plugin.PluginRegistry;
	import org.eclipse.pde.core.plugin.TargetPlatform;
	import org.eclipse.pde.internal.core.ICoreConstants;
	import org.eclipse.pde.internal.core.PDECore;
	import org.eclipse.pde.internal.core.PDEState;
	import org.eclipse.pde.internal.core.PluginPathFinder;
	import org.eclipse.pde.internal.ui.IHelpContextIds;
	import org.eclipse.pde.internal.ui.PDEPlugin;
	import org.eclipse.pde.internal.ui.PDEUIMessages;
	import org.eclipse.pde.internal.ui.preferences.PDEPreferencesUtil;
	import org.eclipse.pde.internal.ui.preferences.SourceCodeLocationsPreferenceNode;
	import org.eclipse.pde.internal.ui.preferences.TargetEnvironmentPreferenceNode;
	import org.eclipse.pde.internal.ui.preferences.TargetPlatformPreferenceNode;
	import org.eclipse.pde.internal.ui.util.SWTUtil;
	import org.eclipse.swt.SWT;
	import org.eclipse.swt.events.ModifyEvent;
	import org.eclipse.swt.events.ModifyListener;
	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.DirectoryDialog;
	import org.eclipse.swt.widgets.Group;
	import org.eclipse.swt.widgets.Label;
	import org.eclipse.ui.PlatformUI;

	public class PluginImportWizardFirstPage extends WizardPage {

	private static String SETTINGS_IMPORTTYPE = "importType"; //$NON-NLS-1$
	private static String SETTINGS_DOOTHER = "doother"; //$NON-NLS-1$
	private static String SETTINGS_DROPLOCATION = "droplocation"; //$NON-NLS-1$
	private static String SETTINGS_SCAN_ALL = "scanAll"; //$NON-NLS-1$

	private Button runtimeLocationButton;
	private Button browseButton;
	private Label otherLocationLabel;
	private Combo dropLocation;
	private Button changeButton;

	private Button importButton;
	private Button scanButton;

	private Button binaryButton;
	private Button binaryWithLinksButton;
	private Button sourceButton;

	//private String currentLocation;
	public static String TARGET_PLATFORM = "targetPlatform"; //$NON-NLS-1$
	private IPluginModelBase[] models = new IPluginModelBase[0];
	private boolean canceled = false;

	public PluginImportWizardFirstPage(String name) {
	super(name);
	setTitle(PDEUIMessages.ImportWizard_FirstPage_title);
	setMessage(PDEUIMessages.ImportWizard_FirstPage_desc);
	PDEPlugin.getDefault().getLabelProvider().connect(this);
	}

	public void createControl(Composite parent) {
	Composite container = new Composite(parent, SWT.NONE);
	GridLayout layout = new GridLayout();
	layout.verticalSpacing = 15;
	container.setLayout(layout);

	createDirectoryGroup(container);
	createImportChoicesGroup(container);
	createImportOptionsGroup(container);

	Dialog.applyDialogFont(container);
	initialize();
	setControl(container);
	PlatformUI.getWorkbench().getHelpSystem().setHelp(container, IHelpContextIds.PLUGIN_IMPORT_FIRST_PAGE);
	}

	private void createImportChoicesGroup(Composite container) {
	Group importChoices = new Group(container, SWT.NONE);
	importChoices.setText(PDEUIMessages.ImportWizard_FirstPage_importGroup);
	importChoices.setLayout(new GridLayout());
	importChoices.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

	scanButton = new Button(importChoices, SWT.RADIO);
	scanButton.setText(PDEUIMessages.ImportWizard_FirstPage_scanAll);

	importButton = new Button(importChoices, SWT.RADIO);
	importButton.setText(PDEUIMessages.ImportWizard_FirstPage_importPrereqs);

	}

	private void createImportOptionsGroup(Composite container) {
	Group options = new Group(container, SWT.NONE);
	options.setText(PDEUIMessages.ImportWizard_FirstPage_importAs);
	options.setLayout(new GridLayout());
	options.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

	binaryButton = new Button(options, SWT.RADIO);
	binaryButton.setText(PDEUIMessages.ImportWizard_FirstPage_binary);

	binaryWithLinksButton = new Button(options, SWT.RADIO);
	binaryWithLinksButton.setText(PDEUIMessages.ImportWizard_FirstPage_binaryLinks);

	sourceButton = new Button(options, SWT.RADIO);
	sourceButton.setText(PDEUIMessages.ImportWizard_FirstPage_source);
	}


	private void initialize() {
	IDialogSettings settings = getDialogSettings();

	ArrayList items = new ArrayList();
	for (int i = 0; i < 6; i++) {
	String curr = settings.get(SETTINGS_DROPLOCATION + String.valueOf(i));
	if (curr != null && !items.contains(curr)) {
	items.add(curr);
	}
	}
	dropLocation.setItems((String[]) items.toArray(new String[items.size()]));

	if (settings.getBoolean(SETTINGS_DOOTHER)) {
	runtimeLocationButton.setSelection(false);
	changeButton.setEnabled(false);
	dropLocation.setText(items.get(0).toString());
	} else {
	runtimeLocationButton.setSelection(true);
	otherLocationLabel.setEnabled(false);
	dropLocation.setEnabled(false);
	browseButton.setEnabled(false);
	dropLocation.setText(getTargetHome());
	}


	int importType = PluginImportOperation.IMPORT_BINARY;
	try {
	importType = settings.getInt(SETTINGS_IMPORTTYPE);
	} catch (NumberFormatException e) {
	}
	if (importType == PluginImportOperation.IMPORT_BINARY) {
	binaryButton.setSelection(true);
	} else if (importType == PluginImportOperation.IMPORT_BINARY_WITH_LINKS) {
	binaryWithLinksButton.setSelection(true);
	} else {
	sourceButton.setSelection(true);
	}

	boolean scan = true;
	if (settings.get(SETTINGS_SCAN_ALL) != null) {
	scan = settings.getBoolean(SETTINGS_SCAN_ALL);
	}
	scanButton.setSelection(scan);
	importButton.setSelection(!scan);

	}

	private void createDirectoryGroup(Composite parent) {
	Group composite = new Group(parent, SWT.NONE);
	composite.setText(PDEUIMessages.ImportWizard_FirstPage_importFrom);

	GridLayout layout = new GridLayout();
	layout.numColumns = 3;
	composite.setLayout(layout);
	composite.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

	runtimeLocationButton = new Button(composite, SWT.CHECK);
	GridData gd = new GridData();
	gd.horizontalSpan = 2;
	runtimeLocationButton.setLayoutData(gd);

	runtimeLocationButton.setText(PDEUIMessages.ImportWizard_FirstPage_target);
	runtimeLocationButton.addSelectionListener(new SelectionAdapter() {
	public void widgetSelected(SelectionEvent e) {
	boolean selected = runtimeLocationButton.getSelection();
	if (selected) {
	dropLocation.setText(getTargetHome());
	}
	otherLocationLabel.setEnabled(!selected);
	dropLocation.setEnabled(!selected);
	browseButton.setEnabled(!selected);
	changeButton.setEnabled(selected);
	validateDropLocation();
	}
	});

	changeButton = new Button(composite, SWT.PUSH);
	changeButton.setText(PDEUIMessages.ImportWizard_FirstPage_goToTarget);
	changeButton.addSelectionListener(new SelectionAdapter() {
	public void widgetSelected(SelectionEvent e) {
	handleChangeTargetPlatform();
	}
	});
	changeButton.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL));
	SWTUtil.setButtonDimensionHint(changeButton);

	otherLocationLabel = new Label(composite, SWT.NULL);
	otherLocationLabel.setText(PDEUIMessages.ImportWizard_FirstPage_otherFolder);

	dropLocation = new Combo(composite, SWT.DROP_DOWN);
	dropLocation.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
	dropLocation.addModifyListener(new ModifyListener() {
	public void modifyText(ModifyEvent e) {
	validateDropLocation();
	}
	});

	browseButton = new Button(composite, SWT.PUSH);
	browseButton.setText(PDEUIMessages.ImportWizard_FirstPage_browse);
	browseButton.addSelectionListener(new SelectionAdapter() {
	public void widgetSelected(SelectionEvent e) {
	IPath chosen = chooseDropLocation();
	if (chosen != null)
	dropLocation.setText(chosen.toOSString());
	}
	});
	browseButton.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL));
	SWTUtil.setButtonDimensionHint(browseButton);

	Label label = new Label(composite, SWT.NONE);
	label.setText(PDEUIMessages.ImportWizard_FirstPage_source_label);
	gd = new GridData();
	gd.horizontalSpan = 2;
	label.setLayoutData(gd);

	Button sourceLocations = new Button(composite, SWT.PUSH);
	sourceLocations.setText(PDEUIMessages.ImportWizard_FirstPage_codeLocations);
	sourceLocations.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_END));
	sourceLocations.addSelectionListener(new SelectionAdapter() {
	public void widgetSelected(SelectionEvent e) {
	handleSourceLocations();
	}
	});
	SWTUtil.setButtonDimensionHint(sourceLocations);
	sourceLocations.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL));

	label = new Label(composite, SWT.WRAP);
	label.setText(PDEUIMessages.ImportWizard_FirstPage_variables);
	gd = new GridData();
	gd.horizontalSpan = 2;
	label.setLayoutData(gd);

	Button envButton = new Button(composite, SWT.PUSH);
	envButton.setText(PDEUIMessages.ImportWizard_FirstPage_env);
	envButton.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_END\| GridData.FILL_HORIZONTAL));
	envButton.addSelectionListener(new SelectionAdapter() {
	public void widgetSelected(SelectionEvent e) {
	handleEnvChange();
	}
	});
	SWTUtil.setButtonDimensionHint(envButton);
	envButton.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL));

	}


	private IPath chooseDropLocation() {
	DirectoryDialog dialog = new DirectoryDialog(getShell());
	dialog.setFilterPath(dropLocation.getText());
	dialog.setText(PDEUIMessages.ImportWizard_messages_folder_title);
	dialog.setMessage(PDEUIMessages.ImportWizard_messages_folder_message);
	String res = dialog.open();
	if (res != null) {
	return new Path(res);
	}
	return null;
	}

	private void handleChangeTargetPlatform() {
	IPreferenceNode targetNode = new TargetPlatformPreferenceNode();
	if (PDEPreferencesUtil.showPreferencePage(targetNode))
	dropLocation.setText(TargetPlatform.getLocation());
	}

	private void handleSourceLocations() {
	PDEPreferencesUtil.showPreferencePage(new SourceCodeLocationsPreferenceNode());
	}

	private void handleEnvChange() {
	PDEPreferencesUtil.showPreferencePage(new TargetEnvironmentPreferenceNode());
	}

	private String getTargetHome() {
	Preferences preferences = PDECore.getDefault().getPluginPreferences();
	return preferences.getString(ICoreConstants.PLATFORM_PATH);
	}

	public boolean getScanAllPlugins() {
	return scanButton.getSelection();
	}

	public int getImportType() {
	if (binaryButton.getSelection()) {
	return PluginImportOperation.IMPORT_BINARY;
	}

	if (binaryWithLinksButton.getSelection()) {
	return PluginImportOperation.IMPORT_BINARY_WITH_LINKS;
	}

	return PluginImportOperation.IMPORT_WITH_SOURCE;
	}

	public String getDropLocation() {
	return runtimeLocationButton.getSelection()
	? TARGET_PLATFORM
	: dropLocation.getText().trim();
	}

	public void storeSettings() {
	IDialogSettings settings = getDialogSettings();
	boolean other = !runtimeLocationButton.getSelection();
	if (dropLocation.getText().length() > 0 && other) {
	settings.put(
	SETTINGS_DROPLOCATION + String.valueOf(0),
	dropLocation.getText().trim());
	String[] items = dropLocation.getItems();
	int nEntries = Math.min(items.length, 5);
	for (int i = 0; i < nEntries; i++) {
	settings.put(SETTINGS_DROPLOCATION + String.valueOf(i + 1), items[i]);
	}
	}
	settings.put(SETTINGS_DOOTHER, other);
	settings.put(SETTINGS_IMPORTTYPE, getImportType());
	settings.put(SETTINGS_SCAN_ALL, getScanAllPlugins());
	}

	public void dispose() {
	PDEPlugin.getDefault().getLabelProvider().disconnect(this);
	}

	private void validateDropLocation() {
	if (!runtimeLocationButton.getSelection()) {
	IPath curr = new Path(dropLocation.getText());
	if (curr.segmentCount() == 0 && curr.getDevice() == null) {
	setErrorMessage(PDEUIMessages.ImportWizard_errors_locationMissing);
	setPageComplete(false);
	return;
	}
	if (!Path.ROOT.isValidPath(dropLocation.getText())) {
	setErrorMessage(PDEUIMessages.ImportWizard_errors_buildFolderInvalid);
	setPageComplete(false);
	return;
	}

	if (!curr.toFile().isDirectory()) {
	setErrorMessage(PDEUIMessages.ImportWizard_errors_buildFolderMissing);
	setPageComplete(false);
	return;
	}
	if (!curr.equals(new Path(getTargetHome()))) {
	setErrorMessage(null);
	setMessage(PDEUIMessages.ImportWizard_FirstPage_warning, IMessageProvider.WARNING);
	setPageComplete(true);
	return;
	}
	}
	setErrorMessage(null);
	setPageComplete(true);
	setMessage(PDEUIMessages.ImportWizard_FirstPage_desc);
	}

	private void resolveTargetPlatform() {
	IRunnableWithProgress op = new IRunnableWithProgress() {
	public void run(IProgressMonitor monitor) {
	models = PluginRegistry.getExternalModels();
	monitor.done();
	}
	};
	try {
	getContainer().run(true, false, op);
	} catch (InvocationTargetException e) {
	PDEPlugin.log(e);
	} catch (InterruptedException e) {
	}
	}

	private void resolveArbitraryLocation(final String location) {
	IRunnableWithProgress op = new IRunnableWithProgress() {
	public void run(IProgressMonitor monitor) {
	File[] files = new File[2];
	files[0] = new File(location);
	files[1] = new File(location, "plugins"); //$NON-NLS-1$
	URL[] urls = PluginPathFinder.scanLocations(files);
	URL[] all = new URL[urls.length + 1];
	try {
	all[0] = new URL("file:" + files[0].getAbsolutePath()); //$NON-NLS-1$
	System.arraycopy(urls, 0, all, 1, urls.length);
	} catch (MalformedURLException e) {
	all = urls;
	}
	PDEState state = new PDEState(all, false, monitor);
	models = state.getTargetModels();
	canceled = monitor.isCanceled();
	monitor.done();
	}
	};
	try {
	getContainer().run(true, true, op);
	} catch (InvocationTargetException e) {
	PDEPlugin.log(e);
	} catch (InterruptedException e) {
	}
	}


	public IPluginModelBase[] getModels() {
	String dropLocation = getDropLocation();
	if (dropLocation.equals(TARGET_PLATFORM)) {
	resolveTargetPlatform();
	} else {
	resolveArbitraryLocation(dropLocation);
	}
	return models;
	}

	public boolean isCurrentPage() {
	return super.isCurrentPage();
	}

	public boolean isRefreshNeeded() {
	if (canceled) {
	canceled = false;
	return true;
	}
	return false;
	}
	}