ui/org.eclipse.pde.ui/src/org/eclipse/pde/internal/ui/preferences/SourcePreferencePage.java - pde/eclipse.pde.ui - Git at Google

 /*******************************************************************************
  * Copyright (c) 2000, 2003 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Common Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/cpl-v10.html
  *
  * Contributors:
  *     IBM Corporation - initial API and implementation
  *******************************************************************************/
 package org.eclipse.pde.internal.ui.preferences;

 import java.io.File;
 import java.util.*;

 import org.eclipse.core.runtime.Preferences;
 import org.eclipse.jface.dialogs.Dialog;
 import org.eclipse.jface.preference.PreferencePage;
 import org.eclipse.jface.resource.ImageDescriptor;
 import org.eclipse.jface.viewers.*;
 import org.eclipse.pde.internal.core.*;
 import org.eclipse.pde.internal.ui.*;
 import org.eclipse.pde.internal.ui.elements.DefaultContentProvider;
 import org.eclipse.pde.internal.ui.parts.CheckboxTablePart;
 import org.eclipse.pde.internal.ui.util.*;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.graphics.Image;
 import org.eclipse.swt.layout.*;
 import org.eclipse.swt.widgets.*;
 import org.eclipse.ui.*;
 import org.eclipse.ui.help.WorkbenchHelp;
 import org.eclipse.update.ui.forms.internal.FormWidgetFactory;

 /**
  * @author dejan
  *
  * To change this generated comment edit the template variable "typecomment":
  * Window>Preferences>Java>Templates.
  */
 public class SourcePreferencePage
 	extends PreferencePage
 	implements IWorkbenchPreferencePage {
 	private static final String KEY_LABEL = "SourcePreferencePage.label"; //$NON-NLS-1$
 	public static final String KEY_SELECT_ALL =
 		"WizardCheckboxTablePart.selectAll"; //$NON-NLS-1$
 	public static final String KEY_DESELECT_ALL =
 		"WizardCheckboxTablePart.deselectAll"; //$NON-NLS-1$
 	private static final String KEY_ADD = "SourcePreferencePage.add"; //$NON-NLS-1$
 	private static final String KEY_DELETE = "SourcePreferencePage.delete"; //$NON-NLS-1$
 	private static final String KEY_DESC = "SourcePreferencePage.desc"; //$NON-NLS-1$
 	private CheckboxTablePart tablePart;
 	private CheckboxTableViewer tableViewer;
 	private Image extensionImage;
 	private Image userImage;
 	private Preferences preferences;
 	private SourceLocation[] extensionLocations = new SourceLocation[0];
 	private ArrayList userLocations = new ArrayList();

 	class SourceProvider
 		extends DefaultContentProvider
 		implements IStructuredContentProvider {
 		public Object[] getElements(Object input) {
 			return getLocations();
 		}
 	}

 	class SourceLabelProvider
 		extends LabelProvider
 		implements ITableLabelProvider {
 		public String getColumnText(Object obj, int index) {
 			SourceLocation location = (SourceLocation) obj;
 			if (index == 0)
 				return location.getName();
 			if (index == 1)
 				return location.getPath().toOSString();
 			return ""; //$NON-NLS-1$
 		}

 		public Image getColumnImage(Object obj, int index) {
 			if (index == 0) {
 				SourceLocation location = (SourceLocation) obj;
 				if (location.isUserDefined())
 					return userImage;
 				else
 					return extensionImage;
 			}
 			return null;
 		}
 	}

 	class LocationPart extends CheckboxTablePart {
 		public LocationPart(String[] buttonLabels) {
 			super(buttonLabels);
 		}
 		protected void buttonSelected(Button button, int index) {
 			switch (index) {
 				case 0 :
 					selectAll(true);
 					break;
 				case 1 :
 					selectAll(false);
 					break;
 				case 2 : // nothing
 					break;
 				case 3 :
 					handleAdd();
 					break;
 				case 4 :
 					handleDelete();
 					break;
 			}
 		}
 		protected Button createButton(
 			Composite parent,
 			String label,
 			int index,
 			FormWidgetFactory factory) {
 			Button button = super.createButton(parent, label, index, factory);
 			SWTUtil.setButtonDimensionHint(button);
 			return button;
 		}
 		protected void createMainLabel(
 			Composite parent,
 			int span,
 			FormWidgetFactory factory) {
 			Label label = new Label(parent, SWT.NULL);
 			label.setText(PDEPlugin.getResourceString(KEY_LABEL));
 			GridData gd = new GridData(GridData.FILL);
 			gd.horizontalSpan = span;
 			label.setLayoutData(gd);
 		}
 		protected void selectionChanged(IStructuredSelection selection) {
 			boolean enabled = true;
 			for (Iterator iter = selection.iterator(); iter.hasNext();) {
 				Object obj = iter.next();
 				SourceLocation location = (SourceLocation) obj;
 				if (location.isUserDefined() == false) {
 					enabled = false;
 					break;
 				}
 			}
 			tablePart.setButtonEnabled(4, enabled);
 		}
 		/**
 		 * @see org.eclipse.pde.internal.ui.parts.CheckboxTablePart#elementChecked(Object, boolean)
 		 */
 		protected void elementChecked(Object element, boolean checked) {
 			((SourceLocation)element).setEnabled(checked);
 		}

 	}

 	public SourcePreferencePage() {
 		tablePart =
 			new LocationPart(
 				new String[] {
 					PDEPlugin.getResourceString(KEY_SELECT_ALL),
 					PDEPlugin.getResourceString(KEY_DESELECT_ALL),
 					null,
 					PDEPlugin.getResourceString(KEY_ADD),
 					PDEPlugin.getResourceString(KEY_DELETE)});
 		extensionImage =
 			PlatformUI.getWorkbench().getSharedImages().getImage(
 				ISharedImages.IMG_OBJ_FOLDER);
 		ImageDescriptor userDesc =
 			new OverlayIcon(
 				PlatformUI.getWorkbench().getSharedImages().getImageDescriptor(
 					ISharedImages.IMG_OBJ_FOLDER),
 				new ImageDescriptor[][] { { PDEPluginImages.DESC_DOC_CO }
 		});
 		userImage = userDesc.createImage();
 		setDescription(PDEPlugin.getResourceString(KEY_DESC));
 		preferences = PDECore.getDefault().getPluginPreferences();
 		initializeExtensionLocations();
 		initializeUserlocations();

 	}

 	private void initializeExtensionLocations() {
 		extensionLocations = PDECore.getDefault().getSourceLocationManager().getExtensionLocations();
 	}

 	private void initializeUserlocations() {
 		userLocations = PDECore.getDefault().getSourceLocationManager().getUserLocationArray();
 	}

 	private String encodeSourceLocations(Object[] locations) {
 		StringBuffer buf = new StringBuffer();
 		for (int i = 0; i < locations.length; i++) {
 			SourceLocation loc = (SourceLocation) locations[i];
 			if (i > 0)
 				buf.append(File.pathSeparatorChar);
 			buf.append(encodeSourceLocation(loc));
 		}
 		return buf.toString();
 	}

 	private String encodeSourceLocation(SourceLocation location) {
 		return location.getName()
 			+ "@"
 			+ location.getPath().toOSString()
 			+ ","
 			+ (location.isEnabled() ? "t" : "f");
 	}

 	public void dispose() {
 		super.dispose();
 		userImage.dispose();
 	}

 	/**
 	 * @see IWorkbenchPreferencePage#init(IWorkbench)
 	 */
 	public void init(IWorkbench workbench) {
 		//initializeExtensionLocations();
 		//initializeUserlocations();
 	}

 	/**
 	 * @see IPreferencePage#performOk()
 	 */
 	public boolean performOk() {
 		preferences.setValue(ICoreConstants.P_EXT_LOCATIONS, encodeSourceLocations(extensionLocations));
 		preferences.setValue(ICoreConstants.P_SOURCE_LOCATIONS, encodeSourceLocations(userLocations.toArray()));
 		PDECore.getDefault().savePluginPreferences();
 		PDECore.getDefault().getSourceLocationManager().initializeClasspathVariables(null);
 		return super.performOk();
 	}

 	public void performDefaults() {
 		for (int i = 0; i < extensionLocations.length; i++) {
 			SourceLocation location = (SourceLocation)extensionLocations[i];
 			location.setEnabled(true);
 			tableViewer.setChecked(location, true);
 		}
 		for (int i = 0; i < userLocations.size(); i++) {
 			SourceLocation location = (SourceLocation)userLocations.get(i);
 			location.setEnabled(false);
 			tableViewer.setChecked(location, false);
 		}
 		tableViewer.refresh();
 		super.performDefaults();
 	}

 	private Object[] getLocations() {
 		Object[] merged =
 			new Object[extensionLocations.length + userLocations.size()];
 		System.arraycopy(
 			extensionLocations,
 			0,
 			merged,
 			0,
 			extensionLocations.length);
 		System.arraycopy(
 			userLocations.toArray(),
 			0,
 			merged,
 			extensionLocations.length,
 			userLocations.size());
 		return merged;
 	}

 	private void selectAll(boolean selected) {
 		for (int i = 0; i < extensionLocations.length; i++) {
 			((SourceLocation)extensionLocations[i]).setEnabled(selected);
 		}
 		for (int i = 0; i < userLocations.size(); i++) {
 			((SourceLocation)userLocations.get(i)).setEnabled(selected);
 		}
 		tableViewer.setAllChecked(selected);
 	}

 	private void handleAdd() {
 		SourceLocationDialog dialog =
 			new SourceLocationDialog(getShell(), null);
 		dialog.create();
 		dialog.setInvalidNames(getAllLocationNames());
 		dialog.getShell().setText(PDEPlugin.getResourceString("SourcePreferencePage.new.title")); //$NON-NLS-1$
 		SWTUtil.setDialogSize(dialog, 400, 200);
 		if (dialog.open() == SourceLocationDialog.OK) {
 			SourceLocation location =
 				new SourceLocation(dialog.getName(), dialog.getPath(), true);
 			userLocations.add(location);
 			tableViewer.add(location);
 			tableViewer.setChecked(location, location.isEnabled());
 		}
 	}

 	private void handleDelete() {
 		IStructuredSelection selection =
 			(IStructuredSelection) tableViewer.getSelection();
 		for (Iterator iter = selection.iterator(); iter.hasNext();) {
 			Object obj = iter.next();
 			SourceLocation location = (SourceLocation) obj;
 			if (location.isUserDefined()) {
 				userLocations.remove(location);
 				tableViewer.remove(location);
 			}
 		}
 		tablePart.setButtonEnabled(4,false);
 	}

 	/**
 	 * @see IDialogPage#createControl(Composite)
 	 */
 	public Control createContents(Composite parent) {
 		Composite container = new Composite(parent, SWT.NULL);
 		GridLayout layout = new GridLayout();
 		layout.numColumns = 2;
 		container.setLayout(layout);
 		tablePart.setMinimumSize(150, 200);
 		tablePart.createControl(container, SWT.BORDER, 2, null);
 		tableViewer = tablePart.getTableViewer();
 		configureColumns(tableViewer.getTable());
 		tableViewer.setContentProvider(new SourceProvider());
 		tableViewer.setLabelProvider(new SourceLabelProvider());
 		tableViewer.setInput(this);
 		initializeStates();
 		tablePart.setButtonEnabled(4, false);
 		Dialog.applyDialogFont(parent);
 		WorkbenchHelp.setHelp(parent, IHelpContextIds.SOURCE_PREFERENCE_PAGE);
 		return container;
 	}

 	private void configureColumns(Table table) {
 		table.setHeaderVisible(true);
 		TableColumn column = new TableColumn(table, SWT.H_SCROLL);
 		column.setText(PDEPlugin.getResourceString("SourcePreferencePage.column.name")); //$NON-NLS-1$

 		column = new TableColumn(table, SWT.NULL);
 		column.setText(PDEPlugin.getResourceString("SourcePreferencePage.column.path")); //$NON-NLS-1$

 		TableLayout layout = new TableLayout();
 		layout.addColumnData(new ColumnWeightData(25, 150, true));
 		layout.addColumnData(new ColumnWeightData(75, 450, true));
 		table.setLayout(layout);
 	}

 	private void initializeStates() {
 		for (int i = 0; i < extensionLocations.length; i++) {
 			SourceLocation loc = (SourceLocation) extensionLocations[i];
 			tableViewer.setChecked(loc, loc.isEnabled());
 		}
 		for (int i = 0; i < userLocations.size(); i++) {
 			SourceLocation loc = (SourceLocation) userLocations.get(i);
 			tableViewer.setChecked(loc, loc.isEnabled());
 		}
 	}

 	/*private SourceLocation parseSourceLocation(String text) {
 		String name = "";
 		String path = "";
 		boolean enabled = true;
 		int atLoc = text.indexOf('@');
 		if (atLoc != -1)
 			name = text.substring(0, atLoc);
 		else
 			atLoc = 0;
 		int commaLoc = text.lastIndexOf(',');
 		if (commaLoc != -1) {
 			String state = text.substring(commaLoc + 1);
 			if (state.equals("f"))
 				enabled = false;
 			path = text.substring(atLoc + 1, commaLoc);
 		} else
 			path = text.substring(atLoc + 1);
 		return new SourceLocation(name, new Path(path), enabled);
 	}

 	private void parseSavedSourceLocations(String text, ArrayList entries) {
 		StringTokenizer stok = new StringTokenizer(text, File.pathSeparator);
 		while (stok.hasMoreTokens()) {
 			String token = stok.nextToken();
 			SourceLocation location = parseSourceLocation(token);
 			entries.add(location);
 		}
 	}

 	private SourceLocation[] getSavedSourceLocations(String text) {
 		if (text == null || text.length() == 0)
 			return new SourceLocation[0];
 		ArrayList entries = new ArrayList();
 		parseSavedSourceLocations(text, entries);
 		return (SourceLocation[]) entries.toArray(
 			new SourceLocation[entries.size()]);
 	}*/
 	/*private boolean getSavedState(String name, SourceLocation[] list) {
 		for (int i = 0; i < list.length; i++) {
 			SourceLocation saved = list[i];
 			if (name.equals(saved.getName()))
 				return saved.isEnabled();
 		}
 		return true;
 	}*/

 	private HashSet getAllLocationNames() {
 		HashSet set = new HashSet();
 		for (int i = 0; i < extensionLocations.length; i++) {
 			set.add(extensionLocations[i].getName());
 		}
 		for (int i = 0; i < userLocations.size(); i++) {
 			set.add(((SourceLocation)userLocations.get(i)).getName());
 		}
 		return set;
 	}
 }
	/*******************************************************************************
	* Copyright (c) 2000, 2003 IBM Corporation and others.
	* All rights reserved. This program and the accompanying materials
	* are made available under the terms of the Common Public License v1.0
	* which accompanies this distribution, and is available at
	* http://www.eclipse.org/legal/cpl-v10.html
	*
	* Contributors:
	* IBM Corporation - initial API and implementation
	*******************************************************************************/
	package org.eclipse.pde.internal.ui.preferences;

	import java.io.File;
	import java.util.*;

	import org.eclipse.core.runtime.Preferences;
	import org.eclipse.jface.dialogs.Dialog;
	import org.eclipse.jface.preference.PreferencePage;
	import org.eclipse.jface.resource.ImageDescriptor;
	import org.eclipse.jface.viewers.*;
	import org.eclipse.pde.internal.core.*;
	import org.eclipse.pde.internal.ui.*;
	import org.eclipse.pde.internal.ui.elements.DefaultContentProvider;
	import org.eclipse.pde.internal.ui.parts.CheckboxTablePart;
	import org.eclipse.pde.internal.ui.util.*;
	import org.eclipse.swt.SWT;
	import org.eclipse.swt.graphics.Image;
	import org.eclipse.swt.layout.*;
	import org.eclipse.swt.widgets.*;
	import org.eclipse.ui.*;
	import org.eclipse.ui.help.WorkbenchHelp;
	import org.eclipse.update.ui.forms.internal.FormWidgetFactory;

	/**
	* @author dejan
	*
	* To change this generated comment edit the template variable "typecomment":
	* Window>Preferences>Java>Templates.
	*/
	public class SourcePreferencePage
	extends PreferencePage
	implements IWorkbenchPreferencePage {
	private static final String KEY_LABEL = "SourcePreferencePage.label"; //$NON-NLS-1$
	public static final String KEY_SELECT_ALL =
	"WizardCheckboxTablePart.selectAll"; //$NON-NLS-1$
	public static final String KEY_DESELECT_ALL =
	"WizardCheckboxTablePart.deselectAll"; //$NON-NLS-1$
	private static final String KEY_ADD = "SourcePreferencePage.add"; //$NON-NLS-1$
	private static final String KEY_DELETE = "SourcePreferencePage.delete"; //$NON-NLS-1$
	private static final String KEY_DESC = "SourcePreferencePage.desc"; //$NON-NLS-1$
	private CheckboxTablePart tablePart;
	private CheckboxTableViewer tableViewer;
	private Image extensionImage;
	private Image userImage;
	private Preferences preferences;
	private SourceLocation[] extensionLocations = new SourceLocation[0];
	private ArrayList userLocations = new ArrayList();

	class SourceProvider
	extends DefaultContentProvider
	implements IStructuredContentProvider {
	public Object[] getElements(Object input) {
	return getLocations();
	}
	}

	class SourceLabelProvider
	extends LabelProvider
	implements ITableLabelProvider {
	public String getColumnText(Object obj, int index) {
	SourceLocation location = (SourceLocation) obj;
	if (index == 0)
	return location.getName();
	if (index == 1)
	return location.getPath().toOSString();
	return ""; //$NON-NLS-1$
	}

	public Image getColumnImage(Object obj, int index) {
	if (index == 0) {
	SourceLocation location = (SourceLocation) obj;
	if (location.isUserDefined())
	return userImage;
	else
	return extensionImage;
	}
	return null;
	}
	}

	class LocationPart extends CheckboxTablePart {
	public LocationPart(String[] buttonLabels) {
	super(buttonLabels);
	}
	protected void buttonSelected(Button button, int index) {
	switch (index) {
	case 0 :
	selectAll(true);
	break;
	case 1 :
	selectAll(false);
	break;
	case 2 : // nothing
	break;
	case 3 :
	handleAdd();
	break;
	case 4 :
	handleDelete();
	break;
	}
	}
	protected Button createButton(
	Composite parent,
	String label,
	int index,
	FormWidgetFactory factory) {
	Button button = super.createButton(parent, label, index, factory);
	SWTUtil.setButtonDimensionHint(button);
	return button;
	}
	protected void createMainLabel(
	Composite parent,
	int span,
	FormWidgetFactory factory) {
	Label label = new Label(parent, SWT.NULL);
	label.setText(PDEPlugin.getResourceString(KEY_LABEL));
	GridData gd = new GridData(GridData.FILL);
	gd.horizontalSpan = span;
	label.setLayoutData(gd);
	}
	protected void selectionChanged(IStructuredSelection selection) {
	boolean enabled = true;
	for (Iterator iter = selection.iterator(); iter.hasNext();) {
	Object obj = iter.next();
	SourceLocation location = (SourceLocation) obj;
	if (location.isUserDefined() == false) {
	enabled = false;
	break;
	}
	}
	tablePart.setButtonEnabled(4, enabled);
	}
	/**
	* @see org.eclipse.pde.internal.ui.parts.CheckboxTablePart#elementChecked(Object, boolean)
	*/
	protected void elementChecked(Object element, boolean checked) {
	((SourceLocation)element).setEnabled(checked);
	}

	}

	public SourcePreferencePage() {
	tablePart =
	new LocationPart(
	new String[] {
	PDEPlugin.getResourceString(KEY_SELECT_ALL),
	PDEPlugin.getResourceString(KEY_DESELECT_ALL),
	null,
	PDEPlugin.getResourceString(KEY_ADD),
	PDEPlugin.getResourceString(KEY_DELETE)});
	extensionImage =
	PlatformUI.getWorkbench().getSharedImages().getImage(
	ISharedImages.IMG_OBJ_FOLDER);
	ImageDescriptor userDesc =
	new OverlayIcon(
	PlatformUI.getWorkbench().getSharedImages().getImageDescriptor(
	ISharedImages.IMG_OBJ_FOLDER),
	new ImageDescriptor[][] { { PDEPluginImages.DESC_DOC_CO }
	});
	userImage = userDesc.createImage();
	setDescription(PDEPlugin.getResourceString(KEY_DESC));
	preferences = PDECore.getDefault().getPluginPreferences();
	initializeExtensionLocations();
	initializeUserlocations();

	}

	private void initializeExtensionLocations() {
	extensionLocations = PDECore.getDefault().getSourceLocationManager().getExtensionLocations();
	}

	private void initializeUserlocations() {
	userLocations = PDECore.getDefault().getSourceLocationManager().getUserLocationArray();
	}

	private String encodeSourceLocations(Object[] locations) {
	StringBuffer buf = new StringBuffer();
	for (int i = 0; i < locations.length; i++) {
	SourceLocation loc = (SourceLocation) locations[i];
	if (i > 0)
	buf.append(File.pathSeparatorChar);
	buf.append(encodeSourceLocation(loc));
	}
	return buf.toString();
	}

	private String encodeSourceLocation(SourceLocation location) {
	return location.getName()
	+ "@"
	+ location.getPath().toOSString()
	+ ","
	+ (location.isEnabled() ? "t" : "f");
	}

	public void dispose() {
	super.dispose();
	userImage.dispose();
	}

	/**
	* @see IWorkbenchPreferencePage#init(IWorkbench)
	*/
	public void init(IWorkbench workbench) {
	//initializeExtensionLocations();
	//initializeUserlocations();
	}

	/**
	* @see IPreferencePage#performOk()
	*/
	public boolean performOk() {
	preferences.setValue(ICoreConstants.P_EXT_LOCATIONS, encodeSourceLocations(extensionLocations));
	preferences.setValue(ICoreConstants.P_SOURCE_LOCATIONS, encodeSourceLocations(userLocations.toArray()));
	PDECore.getDefault().savePluginPreferences();
	PDECore.getDefault().getSourceLocationManager().initializeClasspathVariables(null);
	return super.performOk();
	}

	public void performDefaults() {
	for (int i = 0; i < extensionLocations.length; i++) {
	SourceLocation location = (SourceLocation)extensionLocations[i];
	location.setEnabled(true);
	tableViewer.setChecked(location, true);
	}
	for (int i = 0; i < userLocations.size(); i++) {
	SourceLocation location = (SourceLocation)userLocations.get(i);
	location.setEnabled(false);
	tableViewer.setChecked(location, false);
	}
	tableViewer.refresh();
	super.performDefaults();
	}

	private Object[] getLocations() {
	Object[] merged =
	new Object[extensionLocations.length + userLocations.size()];
	System.arraycopy(
	extensionLocations,
	0,
	merged,
	0,
	extensionLocations.length);
	System.arraycopy(
	userLocations.toArray(),
	0,
	merged,
	extensionLocations.length,
	userLocations.size());
	return merged;
	}

	private void selectAll(boolean selected) {
	for (int i = 0; i < extensionLocations.length; i++) {
	((SourceLocation)extensionLocations[i]).setEnabled(selected);
	}
	for (int i = 0; i < userLocations.size(); i++) {
	((SourceLocation)userLocations.get(i)).setEnabled(selected);
	}
	tableViewer.setAllChecked(selected);
	}

	private void handleAdd() {
	SourceLocationDialog dialog =
	new SourceLocationDialog(getShell(), null);
	dialog.create();
	dialog.setInvalidNames(getAllLocationNames());
	dialog.getShell().setText(PDEPlugin.getResourceString("SourcePreferencePage.new.title")); //$NON-NLS-1$
	SWTUtil.setDialogSize(dialog, 400, 200);
	if (dialog.open() == SourceLocationDialog.OK) {
	SourceLocation location =
	new SourceLocation(dialog.getName(), dialog.getPath(), true);
	userLocations.add(location);
	tableViewer.add(location);
	tableViewer.setChecked(location, location.isEnabled());
	}
	}

	private void handleDelete() {
	IStructuredSelection selection =
	(IStructuredSelection) tableViewer.getSelection();
	for (Iterator iter = selection.iterator(); iter.hasNext();) {
	Object obj = iter.next();
	SourceLocation location = (SourceLocation) obj;
	if (location.isUserDefined()) {
	userLocations.remove(location);
	tableViewer.remove(location);
	}
	}
	tablePart.setButtonEnabled(4,false);
	}

	/**
	* @see IDialogPage#createControl(Composite)
	*/
	public Control createContents(Composite parent) {
	Composite container = new Composite(parent, SWT.NULL);
	GridLayout layout = new GridLayout();
	layout.numColumns = 2;
	container.setLayout(layout);
	tablePart.setMinimumSize(150, 200);
	tablePart.createControl(container, SWT.BORDER, 2, null);
	tableViewer = tablePart.getTableViewer();
	configureColumns(tableViewer.getTable());
	tableViewer.setContentProvider(new SourceProvider());
	tableViewer.setLabelProvider(new SourceLabelProvider());
	tableViewer.setInput(this);
	initializeStates();
	tablePart.setButtonEnabled(4, false);
	Dialog.applyDialogFont(parent);
	WorkbenchHelp.setHelp(parent, IHelpContextIds.SOURCE_PREFERENCE_PAGE);
	return container;
	}

	private void configureColumns(Table table) {
	table.setHeaderVisible(true);
	TableColumn column = new TableColumn(table, SWT.H_SCROLL);
	column.setText(PDEPlugin.getResourceString("SourcePreferencePage.column.name")); //$NON-NLS-1$

	column = new TableColumn(table, SWT.NULL);
	column.setText(PDEPlugin.getResourceString("SourcePreferencePage.column.path")); //$NON-NLS-1$

	TableLayout layout = new TableLayout();
	layout.addColumnData(new ColumnWeightData(25, 150, true));
	layout.addColumnData(new ColumnWeightData(75, 450, true));
	table.setLayout(layout);
	}

	private void initializeStates() {
	for (int i = 0; i < extensionLocations.length; i++) {
	SourceLocation loc = (SourceLocation) extensionLocations[i];
	tableViewer.setChecked(loc, loc.isEnabled());
	}
	for (int i = 0; i < userLocations.size(); i++) {
	SourceLocation loc = (SourceLocation) userLocations.get(i);
	tableViewer.setChecked(loc, loc.isEnabled());
	}
	}

	/*private SourceLocation parseSourceLocation(String text) {
	String name = "";
	String path = "";
	boolean enabled = true;
	int atLoc = text.indexOf('@');
	if (atLoc != -1)
	name = text.substring(0, atLoc);
	else
	atLoc = 0;
	int commaLoc = text.lastIndexOf(',');
	if (commaLoc != -1) {
	String state = text.substring(commaLoc + 1);
	if (state.equals("f"))
	enabled = false;
	path = text.substring(atLoc + 1, commaLoc);
	} else
	path = text.substring(atLoc + 1);
	return new SourceLocation(name, new Path(path), enabled);
	}

	private void parseSavedSourceLocations(String text, ArrayList entries) {
	StringTokenizer stok = new StringTokenizer(text, File.pathSeparator);
	while (stok.hasMoreTokens()) {
	String token = stok.nextToken();
	SourceLocation location = parseSourceLocation(token);
	entries.add(location);
	}
	}

	private SourceLocation[] getSavedSourceLocations(String text) {
	if (text == null \|\| text.length() == 0)
	return new SourceLocation[0];
	ArrayList entries = new ArrayList();
	parseSavedSourceLocations(text, entries);
	return (SourceLocation[]) entries.toArray(
	new SourceLocation[entries.size()]);
	}*/
	/*private boolean getSavedState(String name, SourceLocation[] list) {
	for (int i = 0; i < list.length; i++) {
	SourceLocation saved = list[i];
	if (name.equals(saved.getName()))
	return saved.isEnabled();
	}
	return true;
	}*/

	private HashSet getAllLocationNames() {
	HashSet set = new HashSet();
	for (int i = 0; i < extensionLocations.length; i++) {
	set.add(extensionLocations[i].getName());
	}
	for (int i = 0; i < userLocations.size(); i++) {
	set.add(((SourceLocation)userLocations.get(i)).getName());
	}
	return set;
	}
	}