plugins/org.eclipse.wst.server.ui/serverui/org/eclipse/wst/server/ui/internal/RuntimePreferencePage.java - servertools/webtools.servertools - Git at Google

 /*******************************************************************************
  * Copyright (c) 2003, 2008 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
  *******************************************************************************/
 package org.eclipse.wst.server.ui.internal;

 import java.util.ArrayList;
 import java.util.Iterator;
 import java.util.List;

 import org.eclipse.core.runtime.CoreException;
 import org.eclipse.core.runtime.IPath;
 import org.eclipse.core.runtime.IProgressMonitor;
 import org.eclipse.core.runtime.IStatus;
 import org.eclipse.core.runtime.NullProgressMonitor;
 import org.eclipse.core.runtime.Path;
 import org.eclipse.jface.dialogs.Dialog;
 import org.eclipse.jface.dialogs.ProgressMonitorDialog;
 import org.eclipse.jface.operation.IRunnableWithProgress;
 import org.eclipse.jface.preference.PreferencePage;
 import org.eclipse.jface.viewers.ISelection;
 import org.eclipse.jface.viewers.IStructuredSelection;
 import org.eclipse.jface.window.Window;
 import org.eclipse.jface.wizard.WizardDialog;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.events.SelectionAdapter;
 import org.eclipse.swt.events.SelectionEvent;
 import org.eclipse.swt.graphics.Color;
 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.DirectoryDialog;
 import org.eclipse.swt.widgets.Label;
 import org.eclipse.ui.IWorkbench;
 import org.eclipse.ui.IWorkbenchPreferencePage;
 import org.eclipse.ui.PlatformUI;
 import org.eclipse.wst.server.core.*;
 import org.eclipse.wst.server.core.internal.IRuntimeLocator;
 import org.eclipse.wst.server.core.internal.ServerPlugin;
 import org.eclipse.wst.server.core.internal.facets.FacetUtil;
 import org.eclipse.wst.server.ui.internal.viewers.RuntimeComposite;
 import org.eclipse.wst.server.ui.internal.wizard.TaskWizard;
 import org.eclipse.wst.server.ui.internal.wizard.WizardTaskUtil;
 import org.eclipse.wst.server.ui.internal.wizard.fragment.NewRuntimeWizardFragment;
 import org.eclipse.wst.server.ui.wizard.WizardFragment;
 /**
  * The preference page that holds server runtimes.
  */
 public class RuntimePreferencePage extends PreferencePage implements IWorkbenchPreferencePage {
 	protected Button edit;
 	protected Button remove;
 	protected Label pathLabel;

 	/**
 	 * RuntimePreferencesPage constructor comment.
 	 */
 	public RuntimePreferencePage() {
 		super();
 		noDefaultAndApplyButton();
 	}

 	/**
 	 * Create the preference options.
 	 *
 	 * @param parent org.eclipse.swt.widgets.Composite
 	 * @return org.eclipse.swt.widgets.Control
 	 */
 	protected Control createContents(Composite parent) {
 		initializeDialogUnits(parent);
 		PlatformUI.getWorkbench().getHelpSystem().setHelp(parent, ContextIds.PREF_GENERAL);

 		Composite composite = new Composite(parent, SWT.NONE);
 		GridLayout layout = new GridLayout();
 		layout.horizontalSpacing = convertHorizontalDLUsToPixels(4);
 		layout.verticalSpacing = convertVerticalDLUsToPixels(3);
 		layout.marginWidth = 0;
 		layout.marginHeight = 0;
 		layout.numColumns = 2;
 		composite.setLayout(layout);
 		GridData data = new GridData(GridData.HORIZONTAL_ALIGN_FILL | GridData.VERTICAL_ALIGN_FILL);
 		composite.setLayoutData(data);

 		Label label = new Label(composite, SWT.WRAP);
 		data = new GridData(GridData.HORIZONTAL_ALIGN_FILL);
 		data.horizontalSpan = 2;
 		label.setLayoutData(data);
 		label.setText(Messages.preferenceRuntimesDescription);

 		label = new Label(composite, SWT.WRAP);
 		data = new GridData(GridData.HORIZONTAL_ALIGN_FILL);
 		data.horizontalSpan = 2;
 		data.verticalIndent = 5;
 		label.setLayoutData(data);
 		label.setText(Messages.preferenceRuntimesTable);

 		final RuntimeComposite runtimeComp = new RuntimeComposite(composite, SWT.NONE, new RuntimeComposite.RuntimeSelectionListener() {
 			public void runtimeSelected(IRuntime runtime) {
 				if (runtime == null) {
 					edit.setEnabled(false);
 					remove.setEnabled(false);
 					pathLabel.setText("");
 				} else {
 					IStatus status = runtime.validate(new NullProgressMonitor());
 					if (status != null && status.getSeverity() == IStatus.ERROR) {
 						Color c = pathLabel.getDisplay().getSystemColor(SWT.COLOR_RED);
 						pathLabel.setForeground(c);
 						pathLabel.setText(status.getMessage());
 					} else if (runtime.getLocation() != null) {
 						pathLabel.setForeground(edit.getForeground());
 						pathLabel.setText(runtime.getLocation() + "");
 					} else
 						pathLabel.setText("");

 					if (runtime.isReadOnly()) {
 						edit.setEnabled(false);
 						remove.setEnabled(false);
 					} else {
 						if (runtime.getRuntimeType() != null)
 							edit.setEnabled(ServerUIPlugin.hasWizardFragment(runtime.getRuntimeType().getId()));
 						else
 							edit.setEnabled(false);
 						remove.setEnabled(true);
 					}
 				}
 			}
 		});
 		runtimeComp.setLayoutData(new GridData(GridData.FILL_HORIZONTAL | GridData.FILL_VERTICAL));

 		Composite buttonComp = new Composite(composite, SWT.NONE);
 		layout = new GridLayout();
 		layout.horizontalSpacing = 0;
 		layout.verticalSpacing = convertVerticalDLUsToPixels(3);
 		layout.marginWidth = 0;
 		layout.marginHeight = 0;
 		layout.numColumns = 1;
 		buttonComp.setLayout(layout);
 		data = new GridData(GridData.HORIZONTAL_ALIGN_FILL | GridData.VERTICAL_ALIGN_FILL);
 		buttonComp.setLayoutData(data);

 		Button add = SWTUtil.createButton(buttonComp, Messages.add);
 		add.addSelectionListener(new SelectionAdapter() {
 			public void widgetSelected(SelectionEvent e) {
 				if (showWizard(null) == Window.CANCEL)
 					return;
 				runtimeComp.refresh();
 			}
 		});

 		edit = SWTUtil.createButton(buttonComp, Messages.edit);
 		edit.setEnabled(false);
 		edit.addSelectionListener(new SelectionAdapter() {
 			public void widgetSelected(SelectionEvent e) {
 				IRuntime runtime = runtimeComp.getSelectedRuntime();
 				if (runtime != null) {
 					IRuntimeWorkingCopy runtimeWorkingCopy = runtime.createWorkingCopy();
 					if (showWizard(runtimeWorkingCopy) != Window.CANCEL) {
 						try {
 							runtimeComp.refresh(runtime);
 						} catch (Exception ex) {
 							// ignore
 						}
 					}
 				}
 			}
 		});

 		remove = SWTUtil.createButton(buttonComp, Messages.remove);
 		remove.setEnabled(false);
 		remove.addSelectionListener(new SelectionAdapter() {
 			public void widgetSelected(SelectionEvent e) {
 				IRuntime runtime = runtimeComp.getSelectedRuntime();
 				if (removeRuntime(runtime))
 					runtimeComp.remove(runtime);
 			}
 		});

 		Button search = SWTUtil.createButton(buttonComp, Messages.search);
 		data = (GridData) search.getLayoutData();
 		data.verticalIndent = 9;
 		search.addSelectionListener(new SelectionAdapter() {
 			public void widgetSelected(SelectionEvent e) {
 				try {
 					// select a target directory for the search
 					DirectoryDialog directoryDialog = new DirectoryDialog(getShell());
 					directoryDialog.setMessage(Messages.dialogRuntimeSearchMessage);
 					directoryDialog.setText(Messages.dialogRuntimeSearchTitle);

 					String pathStr = directoryDialog.open();
 					if (pathStr == null)
 						return;

 					final IPath path = new Path(pathStr);

 					final ProgressMonitorDialog dialog = new ProgressMonitorDialog(getShell());
 					dialog.setBlockOnOpen(false);
 					dialog.setCancelable(true);
 					dialog.open();
 					final IProgressMonitor monitor = dialog.getProgressMonitor();
 					final IRuntimeLocator[] locators = ServerPlugin.getRuntimeLocators();
 					monitor.beginTask(Messages.dialogRuntimeSearchProgress, 100 * locators.length + 10);
 					final List<IRuntimeWorkingCopy> list = new ArrayList<IRuntimeWorkingCopy>();

 					final IRuntimeLocator.IRuntimeSearchListener listener = new IRuntimeLocator.IRuntimeSearchListener() {
 						public void runtimeFound(final IRuntimeWorkingCopy runtime) {
 							dialog.getShell().getDisplay().syncExec(new Runnable() {
 								public void run() {
 									monitor.subTask(runtime.getName());
 								}
 							});
 							list.add(runtime);
 						}
 					};

 					IRunnableWithProgress runnable = new IRunnableWithProgress() {
 						public void run(IProgressMonitor monitor2) {
 							int size = locators.length;
 							for (int i = 0; i < size; i++) {
 								if (!monitor2.isCanceled())
 									try {
 										locators[i].searchForRuntimes(path, listener, monitor2);
 									} catch (CoreException ce) {
 										Trace.trace(Trace.WARNING, "Error locating runtimes: " + locators[i].getId(), ce);
 									}
 							}
 							Trace.trace(Trace.INFO, "Done search");
 						}
 					};
 					dialog.run(true, true, runnable);

 					Trace.trace(Trace.FINER, "Found runtimes: " + list.size());

 					if (!monitor.isCanceled()) {
 						if (list.isEmpty()) {
 							EclipseUtil.openError(getShell(), Messages.infoNoRuntimesFound);
 							return;
 						}
 						monitor.worked(5);
 						// remove duplicates from list (based on location)
 						Trace.trace(Trace.FINER, "Removing duplicates");
 						List<IRuntime> good = new ArrayList<IRuntime>();
 						Iterator iterator2 = list.iterator();
 						while (iterator2.hasNext()) {
 							boolean dup = false;
 							IRuntime wc = (IRuntime) iterator2.next();

 							IRuntime[] runtimes = ServerCore.getRuntimes();
 							if (runtimes != null) {
 								int size = runtimes.length;
 								for (int i = 0; i < size; i++) {
 									if (runtimes[i].getLocation() != null && runtimes[i].getLocation().equals(wc.getLocation()))
 										dup = true;
 								}
 							}
 							if (!dup)
 								good.add(wc);
 						}
 						monitor.worked(5);

 						// add to list
 						Trace.trace(Trace.FINER, "Adding runtimes: " + good.size());
 						Iterator iterator = good.iterator();
 						while (iterator.hasNext()) {
 							IRuntimeWorkingCopy wc = (IRuntimeWorkingCopy) iterator.next();
 							wc.save(false, monitor);
 						}
 						monitor.done();
 					}
 					dialog.close();
 				} catch (Exception ex) {
 					Trace.trace(Trace.SEVERE, "Error finding runtimes", ex);
 				}
 				runtimeComp.refresh();
 			}
 		});

 		pathLabel = new Label(parent, SWT.NONE);
 		pathLabel.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

 		Dialog.applyDialogFont(composite);

 		return composite;
 	}

 	protected boolean removeRuntime(IRuntime runtime) {
 		if (runtime == null)
 			return false;

 		// check for use
 		IServer[] servers = ServerCore.getServers();
 		List<IServer> list = new ArrayList<IServer>();
 		if (servers != null) {
 			int size = servers.length;
 			for (int i = 0; i < size; i++) {
 				if (runtime.equals(servers[i].getRuntime()))
 					list.add(servers[i]);
 			}
 		}

 		boolean inUse = false;
 		try {
 			inUse = FacetUtil.isRuntimeTargeted(runtime);
 		} catch (Throwable t) {
 			// ignore - facet framework not found
 		}

 		if (!list.isEmpty() || inUse) {
 			DeleteRuntimeDialog dialog = new DeleteRuntimeDialog(getShell(), !list.isEmpty(), inUse);
 			if (dialog.open() != 0)
 				return false;

 			if (dialog.isDeleteServers()) {
 				Iterator iter = list.iterator();
 				while (iter.hasNext()) {
 					try {
 						IServer server = (IServer) iter.next();
 						server.delete();
 					} catch (Exception e) {
 						Trace.trace(Trace.SEVERE, "Error deleting server", e);
 					}
 				}
 			}
 			if (dialog.isRemoveTargets()) {
 				try {
 					FacetUtil.removeTargets(runtime, new NullProgressMonitor());
 				} catch (Throwable t) {
 					// ignore - facet framework not found
 				}
 			}
 		}

 		try {
 			runtime.delete();
 		} catch (Exception e) {
 			Trace.trace(Trace.SEVERE, "Error deleting runtime", e);
 		}
 		return true;
 	}

 	protected int showWizard(final IRuntimeWorkingCopy runtimeWorkingCopy) {
 		String title = null;
 		WizardFragment fragment = null;
 		TaskModel taskModel = new TaskModel();
 		if (runtimeWorkingCopy == null) {
 			title = Messages.wizNewRuntimeWizardTitle;
 			fragment = new WizardFragment() {
 				protected void createChildFragments(List<WizardFragment> list) {
 					list.add(new NewRuntimeWizardFragment());
 					list.add(WizardTaskUtil.SaveRuntimeFragment);
 				}
 			};
 		} else {
 			title = Messages.wizEditRuntimeWizardTitle;
 			final WizardFragment fragment2 = ServerUIPlugin.getWizardFragment(runtimeWorkingCopy.getRuntimeType().getId());
 			if (fragment2 == null) {
 				edit.setEnabled(false);
 				return Window.CANCEL;
 			}
 			taskModel.putObject(TaskModel.TASK_RUNTIME, runtimeWorkingCopy);
 			fragment = new WizardFragment() {
 				protected void createChildFragments(List<WizardFragment> list) {
 					list.add(fragment2);
 					list.add(WizardTaskUtil.SaveRuntimeFragment);
 				}
 			};
 		}
 		TaskWizard wizard = new TaskWizard(title, fragment, taskModel);
 		wizard.setForcePreviousAndNextButtons(true);
 		WizardDialog dialog = new WizardDialog(getShell(), wizard);
 		return dialog.open();
 	}

 	protected IRuntime getSelection(ISelection sel2) {
 		IStructuredSelection sel = (IStructuredSelection) sel2;
 		return (IRuntime) sel.getFirstElement();
 	}

 	/**
 	 * Initializes this preference page using the passed workbench.
 	 *
 	 * @param workbench the current workbench
 	 */
 	public void init(IWorkbench workbench) {
 		// do nothing
 	}

 	/**
 	 * @see org.eclipse.jface.preference.PreferencePage#performOk()
 	 */
 	public boolean performOk() {
 		return true;
 	}

 	/**
 	 * @see org.eclipse.jface.dialogs.DialogPage#setVisible(boolean)
 	 */
 	public void setVisible(boolean visible) {
 		super.setVisible(visible);
 		if (visible)
 			setTitle(Messages.preferenceRuntimesTitleLong);
 	}
 }
	/*******************************************************************************
	* Copyright (c) 2003, 2008 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
	*******************************************************************************/
	package org.eclipse.wst.server.ui.internal;

	import java.util.ArrayList;
	import java.util.Iterator;
	import java.util.List;

	import org.eclipse.core.runtime.CoreException;
	import org.eclipse.core.runtime.IPath;
	import org.eclipse.core.runtime.IProgressMonitor;
	import org.eclipse.core.runtime.IStatus;
	import org.eclipse.core.runtime.NullProgressMonitor;
	import org.eclipse.core.runtime.Path;
	import org.eclipse.jface.dialogs.Dialog;
	import org.eclipse.jface.dialogs.ProgressMonitorDialog;
	import org.eclipse.jface.operation.IRunnableWithProgress;
	import org.eclipse.jface.preference.PreferencePage;
	import org.eclipse.jface.viewers.ISelection;
	import org.eclipse.jface.viewers.IStructuredSelection;
	import org.eclipse.jface.window.Window;
	import org.eclipse.jface.wizard.WizardDialog;
	import org.eclipse.swt.SWT;
	import org.eclipse.swt.events.SelectionAdapter;
	import org.eclipse.swt.events.SelectionEvent;
	import org.eclipse.swt.graphics.Color;
	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.DirectoryDialog;
	import org.eclipse.swt.widgets.Label;
	import org.eclipse.ui.IWorkbench;
	import org.eclipse.ui.IWorkbenchPreferencePage;
	import org.eclipse.ui.PlatformUI;
	import org.eclipse.wst.server.core.*;
	import org.eclipse.wst.server.core.internal.IRuntimeLocator;
	import org.eclipse.wst.server.core.internal.ServerPlugin;
	import org.eclipse.wst.server.core.internal.facets.FacetUtil;
	import org.eclipse.wst.server.ui.internal.viewers.RuntimeComposite;
	import org.eclipse.wst.server.ui.internal.wizard.TaskWizard;
	import org.eclipse.wst.server.ui.internal.wizard.WizardTaskUtil;
	import org.eclipse.wst.server.ui.internal.wizard.fragment.NewRuntimeWizardFragment;
	import org.eclipse.wst.server.ui.wizard.WizardFragment;
	/**
	* The preference page that holds server runtimes.
	*/
	public class RuntimePreferencePage extends PreferencePage implements IWorkbenchPreferencePage {
	protected Button edit;
	protected Button remove;
	protected Label pathLabel;

	/**
	* RuntimePreferencesPage constructor comment.
	*/
	public RuntimePreferencePage() {
	super();
	noDefaultAndApplyButton();
	}

	/**
	* Create the preference options.
	*
	* @param parent org.eclipse.swt.widgets.Composite
	* @return org.eclipse.swt.widgets.Control
	*/
	protected Control createContents(Composite parent) {
	initializeDialogUnits(parent);
	PlatformUI.getWorkbench().getHelpSystem().setHelp(parent, ContextIds.PREF_GENERAL);

	Composite composite = new Composite(parent, SWT.NONE);
	GridLayout layout = new GridLayout();
	layout.horizontalSpacing = convertHorizontalDLUsToPixels(4);
	layout.verticalSpacing = convertVerticalDLUsToPixels(3);
	layout.marginWidth = 0;
	layout.marginHeight = 0;
	layout.numColumns = 2;
	composite.setLayout(layout);
	GridData data = new GridData(GridData.HORIZONTAL_ALIGN_FILL \| GridData.VERTICAL_ALIGN_FILL);
	composite.setLayoutData(data);

	Label label = new Label(composite, SWT.WRAP);
	data = new GridData(GridData.HORIZONTAL_ALIGN_FILL);
	data.horizontalSpan = 2;
	label.setLayoutData(data);
	label.setText(Messages.preferenceRuntimesDescription);

	label = new Label(composite, SWT.WRAP);
	data = new GridData(GridData.HORIZONTAL_ALIGN_FILL);
	data.horizontalSpan = 2;
	data.verticalIndent = 5;
	label.setLayoutData(data);
	label.setText(Messages.preferenceRuntimesTable);

	final RuntimeComposite runtimeComp = new RuntimeComposite(composite, SWT.NONE, new RuntimeComposite.RuntimeSelectionListener() {
	public void runtimeSelected(IRuntime runtime) {
	if (runtime == null) {
	edit.setEnabled(false);
	remove.setEnabled(false);
	pathLabel.setText("");
	} else {
	IStatus status = runtime.validate(new NullProgressMonitor());
	if (status != null && status.getSeverity() == IStatus.ERROR) {
	Color c = pathLabel.getDisplay().getSystemColor(SWT.COLOR_RED);
	pathLabel.setForeground(c);
	pathLabel.setText(status.getMessage());
	} else if (runtime.getLocation() != null) {
	pathLabel.setForeground(edit.getForeground());
	pathLabel.setText(runtime.getLocation() + "");
	} else
	pathLabel.setText("");

	if (runtime.isReadOnly()) {
	edit.setEnabled(false);
	remove.setEnabled(false);
	} else {
	if (runtime.getRuntimeType() != null)
	edit.setEnabled(ServerUIPlugin.hasWizardFragment(runtime.getRuntimeType().getId()));
	else
	edit.setEnabled(false);
	remove.setEnabled(true);
	}
	}
	}
	});
	runtimeComp.setLayoutData(new GridData(GridData.FILL_HORIZONTAL \| GridData.FILL_VERTICAL));

	Composite buttonComp = new Composite(composite, SWT.NONE);
	layout = new GridLayout();
	layout.horizontalSpacing = 0;
	layout.verticalSpacing = convertVerticalDLUsToPixels(3);
	layout.marginWidth = 0;
	layout.marginHeight = 0;
	layout.numColumns = 1;
	buttonComp.setLayout(layout);
	data = new GridData(GridData.HORIZONTAL_ALIGN_FILL \| GridData.VERTICAL_ALIGN_FILL);
	buttonComp.setLayoutData(data);

	Button add = SWTUtil.createButton(buttonComp, Messages.add);
	add.addSelectionListener(new SelectionAdapter() {
	public void widgetSelected(SelectionEvent e) {
	if (showWizard(null) == Window.CANCEL)
	return;
	runtimeComp.refresh();
	}
	});

	edit = SWTUtil.createButton(buttonComp, Messages.edit);
	edit.setEnabled(false);
	edit.addSelectionListener(new SelectionAdapter() {
	public void widgetSelected(SelectionEvent e) {
	IRuntime runtime = runtimeComp.getSelectedRuntime();
	if (runtime != null) {
	IRuntimeWorkingCopy runtimeWorkingCopy = runtime.createWorkingCopy();
	if (showWizard(runtimeWorkingCopy) != Window.CANCEL) {
	try {
	runtimeComp.refresh(runtime);
	} catch (Exception ex) {
	// ignore
	}
	}
	}
	}
	});

	remove = SWTUtil.createButton(buttonComp, Messages.remove);
	remove.setEnabled(false);
	remove.addSelectionListener(new SelectionAdapter() {
	public void widgetSelected(SelectionEvent e) {
	IRuntime runtime = runtimeComp.getSelectedRuntime();
	if (removeRuntime(runtime))
	runtimeComp.remove(runtime);
	}
	});

	Button search = SWTUtil.createButton(buttonComp, Messages.search);
	data = (GridData) search.getLayoutData();
	data.verticalIndent = 9;
	search.addSelectionListener(new SelectionAdapter() {
	public void widgetSelected(SelectionEvent e) {
	try {
	// select a target directory for the search
	DirectoryDialog directoryDialog = new DirectoryDialog(getShell());
	directoryDialog.setMessage(Messages.dialogRuntimeSearchMessage);
	directoryDialog.setText(Messages.dialogRuntimeSearchTitle);

	String pathStr = directoryDialog.open();
	if (pathStr == null)
	return;

	final IPath path = new Path(pathStr);

	final ProgressMonitorDialog dialog = new ProgressMonitorDialog(getShell());
	dialog.setBlockOnOpen(false);
	dialog.setCancelable(true);
	dialog.open();
	final IProgressMonitor monitor = dialog.getProgressMonitor();
	final IRuntimeLocator[] locators = ServerPlugin.getRuntimeLocators();
	monitor.beginTask(Messages.dialogRuntimeSearchProgress, 100 * locators.length + 10);
	final List<IRuntimeWorkingCopy> list = new ArrayList<IRuntimeWorkingCopy>();

	final IRuntimeLocator.IRuntimeSearchListener listener = new IRuntimeLocator.IRuntimeSearchListener() {
	public void runtimeFound(final IRuntimeWorkingCopy runtime) {
	dialog.getShell().getDisplay().syncExec(new Runnable() {
	public void run() {
	monitor.subTask(runtime.getName());
	}
	});
	list.add(runtime);
	}
	};

	IRunnableWithProgress runnable = new IRunnableWithProgress() {
	public void run(IProgressMonitor monitor2) {
	int size = locators.length;
	for (int i = 0; i < size; i++) {
	if (!monitor2.isCanceled())
	try {
	locators[i].searchForRuntimes(path, listener, monitor2);
	} catch (CoreException ce) {
	Trace.trace(Trace.WARNING, "Error locating runtimes: " + locators[i].getId(), ce);
	}
	}
	Trace.trace(Trace.INFO, "Done search");
	}
	};
	dialog.run(true, true, runnable);

	Trace.trace(Trace.FINER, "Found runtimes: " + list.size());

	if (!monitor.isCanceled()) {
	if (list.isEmpty()) {
	EclipseUtil.openError(getShell(), Messages.infoNoRuntimesFound);
	return;
	}
	monitor.worked(5);
	// remove duplicates from list (based on location)
	Trace.trace(Trace.FINER, "Removing duplicates");
	List<IRuntime> good = new ArrayList<IRuntime>();
	Iterator iterator2 = list.iterator();
	while (iterator2.hasNext()) {
	boolean dup = false;
	IRuntime wc = (IRuntime) iterator2.next();

	IRuntime[] runtimes = ServerCore.getRuntimes();
	if (runtimes != null) {
	int size = runtimes.length;
	for (int i = 0; i < size; i++) {
	if (runtimes[i].getLocation() != null && runtimes[i].getLocation().equals(wc.getLocation()))
	dup = true;
	}
	}
	if (!dup)
	good.add(wc);
	}
	monitor.worked(5);

	// add to list
	Trace.trace(Trace.FINER, "Adding runtimes: " + good.size());
	Iterator iterator = good.iterator();
	while (iterator.hasNext()) {
	IRuntimeWorkingCopy wc = (IRuntimeWorkingCopy) iterator.next();
	wc.save(false, monitor);
	}
	monitor.done();
	}
	dialog.close();
	} catch (Exception ex) {
	Trace.trace(Trace.SEVERE, "Error finding runtimes", ex);
	}
	runtimeComp.refresh();
	}
	});

	pathLabel = new Label(parent, SWT.NONE);
	pathLabel.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

	Dialog.applyDialogFont(composite);

	return composite;
	}

	protected boolean removeRuntime(IRuntime runtime) {
	if (runtime == null)
	return false;

	// check for use
	IServer[] servers = ServerCore.getServers();
	List<IServer> list = new ArrayList<IServer>();
	if (servers != null) {
	int size = servers.length;
	for (int i = 0; i < size; i++) {
	if (runtime.equals(servers[i].getRuntime()))
	list.add(servers[i]);
	}
	}

	boolean inUse = false;
	try {
	inUse = FacetUtil.isRuntimeTargeted(runtime);
	} catch (Throwable t) {
	// ignore - facet framework not found
	}

	if (!list.isEmpty() \|\| inUse) {
	DeleteRuntimeDialog dialog = new DeleteRuntimeDialog(getShell(), !list.isEmpty(), inUse);
	if (dialog.open() != 0)
	return false;

	if (dialog.isDeleteServers()) {
	Iterator iter = list.iterator();
	while (iter.hasNext()) {
	try {
	IServer server = (IServer) iter.next();
	server.delete();
	} catch (Exception e) {
	Trace.trace(Trace.SEVERE, "Error deleting server", e);
	}
	}
	}
	if (dialog.isRemoveTargets()) {
	try {
	FacetUtil.removeTargets(runtime, new NullProgressMonitor());
	} catch (Throwable t) {
	// ignore - facet framework not found
	}
	}
	}

	try {
	runtime.delete();
	} catch (Exception e) {
	Trace.trace(Trace.SEVERE, "Error deleting runtime", e);
	}
	return true;
	}

	protected int showWizard(final IRuntimeWorkingCopy runtimeWorkingCopy) {
	String title = null;
	WizardFragment fragment = null;
	TaskModel taskModel = new TaskModel();
	if (runtimeWorkingCopy == null) {
	title = Messages.wizNewRuntimeWizardTitle;
	fragment = new WizardFragment() {
	protected void createChildFragments(List<WizardFragment> list) {
	list.add(new NewRuntimeWizardFragment());
	list.add(WizardTaskUtil.SaveRuntimeFragment);
	}
	};
	} else {
	title = Messages.wizEditRuntimeWizardTitle;
	final WizardFragment fragment2 = ServerUIPlugin.getWizardFragment(runtimeWorkingCopy.getRuntimeType().getId());
	if (fragment2 == null) {
	edit.setEnabled(false);
	return Window.CANCEL;
	}
	taskModel.putObject(TaskModel.TASK_RUNTIME, runtimeWorkingCopy);
	fragment = new WizardFragment() {
	protected void createChildFragments(List<WizardFragment> list) {
	list.add(fragment2);
	list.add(WizardTaskUtil.SaveRuntimeFragment);
	}
	};
	}
	TaskWizard wizard = new TaskWizard(title, fragment, taskModel);
	wizard.setForcePreviousAndNextButtons(true);
	WizardDialog dialog = new WizardDialog(getShell(), wizard);
	return dialog.open();
	}

	protected IRuntime getSelection(ISelection sel2) {
	IStructuredSelection sel = (IStructuredSelection) sel2;
	return (IRuntime) sel.getFirstElement();
	}

	/**
	* Initializes this preference page using the passed workbench.
	*
	* @param workbench the current workbench
	*/
	public void init(IWorkbench workbench) {
	// do nothing
	}

	/**
	* @see org.eclipse.jface.preference.PreferencePage#performOk()
	*/
	public boolean performOk() {
	return true;
	}

	/**
	* @see org.eclipse.jface.dialogs.DialogPage#setVisible(boolean)
	*/
	public void setVisible(boolean visible) {
	super.setVisible(visible);
	if (visible)
	setTitle(Messages.preferenceRuntimesTitleLong);
	}
	}