launch/org.eclipse.cdt.docker.launcher/src/org/eclipse/cdt/internal/docker/launcher/ContainerTab.java - cdt/org.eclipse.cdt - Git at Google

 /*******************************************************************************
  * Copyright (c) 2015 Red Hat.
  * 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:
  *     Red Hat - Initial Contribution
  *******************************************************************************/
 package org.eclipse.cdt.internal.docker.launcher;

 import java.util.ArrayList;
 import java.util.Arrays;

 import org.eclipse.cdt.docker.launcher.DockerLaunchUIPlugin;
 import org.eclipse.core.runtime.CoreException;
 import org.eclipse.core.runtime.preferences.InstanceScope;
 import org.eclipse.debug.core.ILaunchConfiguration;
 import org.eclipse.debug.core.ILaunchConfigurationWorkingCopy;
 import org.eclipse.debug.ui.AbstractLaunchConfigurationTab;
 import org.eclipse.linuxtools.docker.core.DockerConnectionManager;
 import org.eclipse.linuxtools.docker.core.IDockerConnection;
 import org.eclipse.linuxtools.docker.core.IDockerConnectionManagerListener;
 import org.eclipse.linuxtools.docker.core.IDockerImage;
 import org.eclipse.linuxtools.docker.core.IDockerImageListener;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.accessibility.AccessibleAdapter;
 import org.eclipse.swt.accessibility.AccessibleEvent;
 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.events.SelectionListener;
 import org.eclipse.swt.events.VerifyEvent;
 import org.eclipse.swt.events.VerifyListener;
 import org.eclipse.swt.graphics.Font;
 import org.eclipse.swt.graphics.Image;
 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.DirectoryDialog;
 import org.eclipse.swt.widgets.Display;
 import org.eclipse.swt.widgets.Group;
 import org.eclipse.swt.widgets.Label;
 import org.eclipse.swt.widgets.List;
 import org.osgi.service.prefs.Preferences;

 public class ContainerTab extends AbstractLaunchConfigurationTab implements
 		IDockerConnectionManagerListener, IDockerImageListener {

 	private List directoriesList;
 	private String imageName;
 	private String connectionName;
 	private String connectionUri;
 	private Boolean keepValue;
 	private Boolean stdinValue;
 	private IDockerConnection connection;
 	private IDockerConnection[] connections;
 	private IDockerImageListener containerTab;

 	private Button newButton;
 	private Button removeButton;
 	private Button keepButton;
 	private Button stdinButton;
 	private Combo imageCombo;
 	private Combo connectionSelector;

 	private ModifyListener connectionModifyListener = new ModifyListener() {

 		@Override
 		public void modifyText(ModifyEvent e) {
 			int index = connectionSelector.getSelectionIndex();
 			if (connection != null)
 				connection.removeImageListener(containerTab);
 			connection = connections[index];
 			if (!connectionName.equals(connection.getName()))
 				updateLaunchConfigurationDialog();
 			connectionName = connection.getName();
 			connectionUri = connection.getUri();
 			connection.addImageListener(containerTab);
 		}

 	};

 	public ContainerTab() {
 		super();
 		containerTab = this;
 	}

 	@Override
 	public void createControl(Composite parent) {
 		Font font = parent.getFont();
 		Composite mainComposite = createComposite(parent, 3, 1,
 				GridData.FILL_HORIZONTAL);
 		mainComposite.setFont(font);
 		setControl(mainComposite);

 		Label connectionSelectorLabel = new Label(mainComposite, SWT.NULL);
 		connectionSelectorLabel
 				.setText(Messages.ContainerTab_Connection_Selector_Label);

 		connectionSelector = new Combo(mainComposite, SWT.BORDER
 				| SWT.READ_ONLY);
 		initializeConnectionSelector();
 		connectionSelector.addModifyListener(connectionModifyListener);
 		// Following is a kludge so that on Linux the Combo is read-only but
 		// has a white background.
 		connectionSelector.addVerifyListener(new VerifyListener() {
 			@Override
 			public void verifyText(VerifyEvent e) {
 				e.doit = false;
 			}
 		});
 		GridData gd = new GridData();
 		gd.horizontalSpan = 2;
 		connectionSelector.setLayoutData(gd);

 		Label imageSelectorLabel = new Label(mainComposite, SWT.NULL);
 		imageSelectorLabel.setText(Messages.ContainerTab_Image_Selector_Label);
 		imageCombo = new Combo(mainComposite, SWT.DROP_DOWN);
 		imageCombo.setLayoutData(gd);

 		initializeImageCombo();

 		imageCombo.addSelectionListener(new SelectionListener() {

 			@Override
 			public void widgetSelected(SelectionEvent e) {
 				if (!imageName.equals(imageCombo.getText()))
 					updateLaunchConfigurationDialog();
 				imageName = imageCombo.getText();
 			}

 			@Override
 			public void widgetDefaultSelected(SelectionEvent e) {
 			}

 		});

 		createDirectoryList(mainComposite);
 		createButtons(mainComposite);
 		createOptions(mainComposite);
 	}

 	private void createDirectoryList(Composite parent) {
 		Composite comp = createComposite(parent, 1, 2, GridData.FILL_BOTH);

 		Group group = new Group(comp, SWT.NONE);
 		Font font = parent.getFont();
 		group.setFont(font);
 		group.setText(Messages.ContainerTab_Group_Name);

 		GridData gd2 = new GridData(GridData.FILL_BOTH);
 		group.setLayoutData(gd2);

 		group.setLayout(new GridLayout());

 		directoriesList = new List(group, SWT.SINGLE | SWT.V_SCROLL);
 		GridData gd3 = new GridData(GridData.FILL_BOTH);
 		directoriesList.setLayoutData(gd3);
 		directoriesList.setFont(font);
 		directoriesList.addSelectionListener(new SelectionListener() {

 			@Override
 			public void widgetSelected(SelectionEvent e) {
 				removeButton.setEnabled(true);
 			}

 			@Override
 			public void widgetDefaultSelected(SelectionEvent e) {
 				// TODO Auto-generated method stub

 			}
 		});
 	}

 	private void createButtons(Composite parent) {
 		Font font = parent.getFont();
 		Composite composite = createComposite(parent, 1, 1,
 				GridData.VERTICAL_ALIGN_BEGINNING
 						| GridData.HORIZONTAL_ALIGN_END);
 		composite.setFont(font);
 		newButton = createPushButton(composite,
 				Messages.ContainerTab_New_Button, null); //$NON-NLS-1$
 		newButton.setLayoutData(new GridData(GridData.FILL_BOTH));
 		GridData gdb = new GridData(GridData.VERTICAL_ALIGN_CENTER);
 		gdb.grabExcessHorizontalSpace = false;
 		gdb.horizontalAlignment = SWT.FILL;
 		gdb.minimumWidth = 120;
 		newButton.setLayoutData(gdb);
 		newButton.addSelectionListener(new SelectionAdapter() {
 			@Override
 			public void widgetSelected(SelectionEvent arg0) {
 				handleNewButtonSelected(directoriesList);
 			}
 		});

 		removeButton = createPushButton(composite,
 				Messages.ContainerTab_Remove_Button, null); //$NON-NLS-1$
 		removeButton.setLayoutData(new GridData(GridData.FILL_BOTH));
 		removeButton.addSelectionListener(new SelectionAdapter() {
 			@Override
 			public void widgetSelected(SelectionEvent arg0) {
 				handleRemoveButtonSelected(directoriesList);
 			}
 		});
 		removeButton.setEnabled(false);
 	}

 	private void createOptions(Composite parent) {
 		Font font = parent.getFont();
 		Composite comp = createComposite(parent, 1, 3, GridData.FILL_BOTH);

 		Group group = new Group(comp, SWT.NONE);
 		group.setFont(font);
 		group.setText(Messages.ContainerTab_Option_Group_Name);

 		GridData gd2 = new GridData(GridData.FILL_BOTH);
 		group.setLayoutData(gd2);

 		group.setLayout(new GridLayout());
 		Preferences prefs = InstanceScope.INSTANCE.getNode(DockerLaunchUIPlugin.PLUGIN_ID);
 		keepButton = createCheckButton(group, Messages.ContainerTab_Keep_Label);
 		keepButton.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
 		Boolean keepPref = prefs.getBoolean(
 				PreferenceConstants.KEEP_CONTAINER_AFTER_LAUNCH, false);
 		keepButton.setSelection(keepPref);
 		keepValue = keepPref;
 		keepButton.addSelectionListener(new SelectionListener() {

 			@Override
 			public void widgetSelected(SelectionEvent e) {
 				if (!keepValue.equals(keepButton.getSelection()))
 					updateLaunchConfigurationDialog();
 				keepValue = keepButton.getSelection();
 			}

 			@Override
 			public void widgetDefaultSelected(SelectionEvent e) {
 			}

 		});
 		stdinButton = createCheckButton(group,
 				Messages.ContainerTab_Stdin_Support_Label);
 		stdinButton.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
 		stdinValue = false;
 		stdinButton.addSelectionListener(new SelectionListener() {

 			@Override
 			public void widgetSelected(SelectionEvent e) {
 				if (!stdinValue.equals(stdinButton.getSelection()))
 					updateLaunchConfigurationDialog();
 				stdinValue = stdinButton.getSelection();
 			}

 			@Override
 			public void widgetDefaultSelected(SelectionEvent e) {
 			}

 		});
 	}

 	private Composite createComposite(Composite parent, int columns, int hspan,
 			int fill) {
 		Composite g = new Composite(parent, SWT.NONE);
 		g.setLayout(new GridLayout(columns, false));
 		g.setFont(parent.getFont());
 		GridData gd = new GridData(fill);
 		gd.horizontalSpan = hspan;
 		g.setLayoutData(gd);
 		return g;
 	}

 	/**
 	 * A New entry button has been pressed for the given text field. Prompt the
 	 * user for a directory to add and enter the result in the given field.
 	 */
 	protected void handleNewButtonSelected(List list) {
 		String directory = getDirectory();
 		if (directory != null) {
 			list.add(directory);
 			updateLaunchConfigurationDialog();
 		}
 	}

 	/**
 	 * Prompts the user to choose and configure a variable and returns the
 	 * resulting string, suitable to be used as an attribute.
 	 */
 	private String getDirectory() {
 		DirectoryDialog dialog = new DirectoryDialog(getShell());
 		return dialog.open();
 	}

 	/**
 	 * The remove entry button has been pressed for the given text field. Remove
 	 * the currently selected directory.
 	 */
 	protected void handleRemoveButtonSelected(List list) {
 		int index = list.getSelectionIndex();
 		list.remove(index);
 		updateLaunchConfigurationDialog();
 		removeButton.setEnabled(false);
 	}

 	private void initializeConnectionSelector() {
 		int defaultIndex = -1;
 		connections = DockerConnectionManager.getInstance().getConnections();
 		if (connections.length == 0) {
 			setErrorMessage(Messages.ContainerTab_Error_No_Connections);
 			return;
 		}
 		String[] connectionNames = new String[connections.length];
 		for (int i = 0; i < connections.length; ++i) {
 			connectionNames[i] = connections[i].getName();
 			if (connections[i].getUri().equals(connectionUri))
 				defaultIndex = i;
 		}
 		if (defaultIndex < 0) {
 			setWarningMessage(Messages.bind(
 					Messages.ContainerTab_Warning_Connection_Not_Found,
 					connectionUri, connections[0].getName()));
 			defaultIndex = 0;
 		}
 		connectionSelector.setItems(connectionNames);
 		if (connections.length > 0) {
 			connectionSelector.setText(connectionNames[defaultIndex]);
 			connection = connections[defaultIndex];
 			connectionUri = connection.getUri();
 		}
 	}

 	private void initializeImageCombo() {
 		if (connection != null) {
 			java.util.List<IDockerImage> images = connection.getImages();
 			if (images == null || images.size() == 0) {
 				setErrorMessage(Messages.ContainerTab_Error_No_Images);
 				return;
 			}
 			connection.removeImageListener(containerTab);
 			ArrayList<String> imageNames = new ArrayList<String>();
 			for (IDockerImage image : images) {
 				java.util.List<String> tags = image.repoTags();
 				if (tags != null) {
 					for (String tag : tags) {
 						if (!tag.equals("<none>:<none>")) //$NON-NLS-1$
 							imageNames.add(tag);
 					}
 				}
 			}
 			imageCombo.setItems(imageNames.toArray(new String[0]));
 			if (imageName != null)
 				imageCombo.setText(imageName);
 			connection.addImageListener(containerTab);
 		}
 	}

 	public void addControlAccessibleListener(Control control, String controlName) {
 		// Strip mnemonic (&)
 		String[] strs = controlName.split("&"); //$NON-NLS-1$
 		StringBuffer stripped = new StringBuffer();
 		for (int i = 0; i < strs.length; i++) {
 			stripped.append(strs[i]);
 		}
 		control.getAccessible().addAccessibleListener(
 				new ControlAccessibleListener(stripped.toString()));
 	}

 	private class ControlAccessibleListener extends AccessibleAdapter {
 		private String controlName;

 		ControlAccessibleListener(String name) {
 			controlName = name;
 		}

 		@Override
 		public void getName(AccessibleEvent e) {
 			e.result = controlName;
 		}
 	}

 	@Override
 	public void setDefaults(ILaunchConfigurationWorkingCopy configuration) {
 		configuration.setAttribute(ILaunchConstants.ATTR_ADDITIONAL_DIRS,
 				(String) null);
 		configuration.setAttribute(ILaunchConstants.ATTR_CONNECTION_URI, ""); //$NON-NLS-1$
 		Preferences prefs = InstanceScope.INSTANCE
 				.getNode(DockerLaunchUIPlugin.PLUGIN_ID);
 		String image = prefs.get(PreferenceConstants.DEFAULT_IMAGE, ""); //$NON-NLS-1$
 		configuration.setAttribute(ILaunchConstants.ATTR_IMAGE, image);
 		Boolean keepContainer = prefs.getBoolean(
 				PreferenceConstants.KEEP_CONTAINER_AFTER_LAUNCH, false);
 		configuration.setAttribute(ILaunchConstants.ATTR_KEEP_AFTER_LAUNCH,
 				keepContainer);
 		configuration.setAttribute(ILaunchConstants.ATTR_STDIN_SUPPORT, false);
 	}

 	@Override
 	public void initializeFrom(ILaunchConfiguration configuration) {
 		try {
 			java.util.List<String> additionalDirs = configuration.getAttribute(
 					ILaunchConstants.ATTR_ADDITIONAL_DIRS,
 					(java.util.List<String>) null);

 			if (additionalDirs != null)
 				directoriesList.setItems(additionalDirs.toArray(new String[0]));
 			connectionUri = configuration.getAttribute(
 					ILaunchConstants.ATTR_CONNECTION_URI, (String) "");
 			imageName = configuration.getAttribute(ILaunchConstants.ATTR_IMAGE,
 					"");
 			imageCombo.setText(imageName);
 			keepValue = configuration.getAttribute(
 					ILaunchConstants.ATTR_KEEP_AFTER_LAUNCH, false);
 			keepButton.setSelection(keepValue);
 			stdinValue = configuration.getAttribute(
 					ILaunchConstants.ATTR_STDIN_SUPPORT, false);
 			stdinButton.setSelection(stdinValue);
 		} catch (CoreException e) {
 			setErrorMessage(Messages.bind(
 					Messages.ContainerTab_Error_Reading_Configuration, e
 							.getStatus().getMessage())); //$NON-NLS-1$
 			DockerLaunchUIPlugin.log(e);
 		}
 	}

 	@Override
 	public void performApply(ILaunchConfigurationWorkingCopy configuration) {
 		String[] dirs = directoriesList.getItems();
 		configuration.setAttribute(ILaunchConstants.ATTR_ADDITIONAL_DIRS,
 				Arrays.asList(dirs));
 		String image = imageCombo.getText();
 		configuration.setAttribute(ILaunchConstants.ATTR_IMAGE, image);
 		configuration.setAttribute(ILaunchConstants.ATTR_CONNECTION_URI,
 				connectionUri);
 		configuration.setAttribute(ILaunchConstants.ATTR_KEEP_AFTER_LAUNCH,
 				keepButton.getSelection());
 		configuration.setAttribute(ILaunchConstants.ATTR_STDIN_SUPPORT,
 				stdinButton.getSelection());
 	}

 	@Override
 	public boolean isValid(ILaunchConfiguration launchConfig) {
 		try {
 			return launchConfig.getAttribute(ILaunchConstants.ATTR_IMAGE,
 					(String) null) != null;
 		} catch (CoreException e) {
 			return false;
 		}
 	}

 	@Override
 	public String getName() {
 		return Messages.ContainerTab_Name;
 	}

 	@Override
 	public Image getImage() {
 		return SWTImagesFactory.get(SWTImagesFactory.IMG_DOCKER_SMALL);
 	}

 	@Override
 	public void changeEvent(int type) {
 		String currUri = null;
 		int currIndex = 0;
 		connections = DockerConnectionManager.getInstance().getConnections();
 		if (connection != null) {
 			currUri = connection.getUri();
 			currIndex = connectionSelector.getSelectionIndex();
 		}
 		String[] connectionNames = new String[connections.length];
 		int index = 0;
 		for (int i = 0; i < connections.length; ++i) {
 			connectionNames[i] = connections[i].getName();
 			if (connections[i].getUri().equals(currUri))
 				index = i;
 		}
 		if (type == IDockerConnectionManagerListener.RENAME_EVENT) {
 			index = currIndex; // no change in connection displayed
 		}
 		connectionSelector.removeModifyListener(connectionModifyListener);
 		connectionSelector.setItems(connectionNames);
 		if (connectionNames.length > 0) {
 			connectionSelector.setText(connectionNames[index]);
 			connection = connections[index];
 			connectionUri = connection.getUri();
 		} else {
 			connection = null;
 			connectionUri = "";
 			connectionSelector.setText("");
 		}
 		connectionSelector.addModifyListener(connectionModifyListener);
 	}

 	public void listChanged(IDockerConnection c,
 			java.util.List<IDockerImage> list) {
 		final IDockerImage[] finalList = list.toArray(new IDockerImage[0]);
 		if (c.getName().equals(connection.getName())) {
 			Display.getDefault().syncExec(new Runnable() {
 				@Override
 				public void run() {
 					connection.removeImageListener(containerTab);
 					ArrayList<String> imageNames = new ArrayList<String>();
 					for (IDockerImage image : finalList) {
 						java.util.List<String> tags = image.repoTags();
 						if (tags != null) {
 							for (String tag : tags) {
 								imageNames.add(tag);
 							}
 						}
 					}
 					if (!imageCombo.isDisposed())
 						imageCombo.setItems(imageNames.toArray(new String[0]));
 					connection.addImageListener(containerTab);
 				}

 			});
 		}
 	}

 	@Override
 	public void dispose() {
 		if (connection != null)
 			connection.removeImageListener(containerTab);
 		super.dispose();
 	}
 }
	/*******************************************************************************
	* Copyright (c) 2015 Red Hat.
	* 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:
	* Red Hat - Initial Contribution
	*******************************************************************************/
	package org.eclipse.cdt.internal.docker.launcher;

	import java.util.ArrayList;
	import java.util.Arrays;

	import org.eclipse.cdt.docker.launcher.DockerLaunchUIPlugin;
	import org.eclipse.core.runtime.CoreException;
	import org.eclipse.core.runtime.preferences.InstanceScope;
	import org.eclipse.debug.core.ILaunchConfiguration;
	import org.eclipse.debug.core.ILaunchConfigurationWorkingCopy;
	import org.eclipse.debug.ui.AbstractLaunchConfigurationTab;
	import org.eclipse.linuxtools.docker.core.DockerConnectionManager;
	import org.eclipse.linuxtools.docker.core.IDockerConnection;
	import org.eclipse.linuxtools.docker.core.IDockerConnectionManagerListener;
	import org.eclipse.linuxtools.docker.core.IDockerImage;
	import org.eclipse.linuxtools.docker.core.IDockerImageListener;
	import org.eclipse.swt.SWT;
	import org.eclipse.swt.accessibility.AccessibleAdapter;
	import org.eclipse.swt.accessibility.AccessibleEvent;
	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.events.SelectionListener;
	import org.eclipse.swt.events.VerifyEvent;
	import org.eclipse.swt.events.VerifyListener;
	import org.eclipse.swt.graphics.Font;
	import org.eclipse.swt.graphics.Image;
	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.DirectoryDialog;
	import org.eclipse.swt.widgets.Display;
	import org.eclipse.swt.widgets.Group;
	import org.eclipse.swt.widgets.Label;
	import org.eclipse.swt.widgets.List;
	import org.osgi.service.prefs.Preferences;

	public class ContainerTab extends AbstractLaunchConfigurationTab implements
	IDockerConnectionManagerListener, IDockerImageListener {

	private List directoriesList;
	private String imageName;
	private String connectionName;
	private String connectionUri;
	private Boolean keepValue;
	private Boolean stdinValue;
	private IDockerConnection connection;
	private IDockerConnection[] connections;
	private IDockerImageListener containerTab;

	private Button newButton;
	private Button removeButton;
	private Button keepButton;
	private Button stdinButton;
	private Combo imageCombo;
	private Combo connectionSelector;

	private ModifyListener connectionModifyListener = new ModifyListener() {

	@Override
	public void modifyText(ModifyEvent e) {
	int index = connectionSelector.getSelectionIndex();
	if (connection != null)
	connection.removeImageListener(containerTab);
	connection = connections[index];
	if (!connectionName.equals(connection.getName()))
	updateLaunchConfigurationDialog();
	connectionName = connection.getName();
	connectionUri = connection.getUri();
	connection.addImageListener(containerTab);
	}

	};

	public ContainerTab() {
	super();
	containerTab = this;
	}

	@Override
	public void createControl(Composite parent) {
	Font font = parent.getFont();
	Composite mainComposite = createComposite(parent, 3, 1,
	GridData.FILL_HORIZONTAL);
	mainComposite.setFont(font);
	setControl(mainComposite);

	Label connectionSelectorLabel = new Label(mainComposite, SWT.NULL);
	connectionSelectorLabel
	.setText(Messages.ContainerTab_Connection_Selector_Label);

	connectionSelector = new Combo(mainComposite, SWT.BORDER
	\| SWT.READ_ONLY);
	initializeConnectionSelector();
	connectionSelector.addModifyListener(connectionModifyListener);
	// Following is a kludge so that on Linux the Combo is read-only but
	// has a white background.
	connectionSelector.addVerifyListener(new VerifyListener() {
	@Override
	public void verifyText(VerifyEvent e) {
	e.doit = false;
	}
	});
	GridData gd = new GridData();
	gd.horizontalSpan = 2;
	connectionSelector.setLayoutData(gd);

	Label imageSelectorLabel = new Label(mainComposite, SWT.NULL);
	imageSelectorLabel.setText(Messages.ContainerTab_Image_Selector_Label);
	imageCombo = new Combo(mainComposite, SWT.DROP_DOWN);
	imageCombo.setLayoutData(gd);

	initializeImageCombo();

	imageCombo.addSelectionListener(new SelectionListener() {

	@Override
	public void widgetSelected(SelectionEvent e) {
	if (!imageName.equals(imageCombo.getText()))
	updateLaunchConfigurationDialog();
	imageName = imageCombo.getText();
	}

	@Override
	public void widgetDefaultSelected(SelectionEvent e) {
	}

	});

	createDirectoryList(mainComposite);
	createButtons(mainComposite);
	createOptions(mainComposite);
	}

	private void createDirectoryList(Composite parent) {
	Composite comp = createComposite(parent, 1, 2, GridData.FILL_BOTH);

	Group group = new Group(comp, SWT.NONE);
	Font font = parent.getFont();
	group.setFont(font);
	group.setText(Messages.ContainerTab_Group_Name);

	GridData gd2 = new GridData(GridData.FILL_BOTH);
	group.setLayoutData(gd2);

	group.setLayout(new GridLayout());

	directoriesList = new List(group, SWT.SINGLE \| SWT.V_SCROLL);
	GridData gd3 = new GridData(GridData.FILL_BOTH);
	directoriesList.setLayoutData(gd3);
	directoriesList.setFont(font);
	directoriesList.addSelectionListener(new SelectionListener() {

	@Override
	public void widgetSelected(SelectionEvent e) {
	removeButton.setEnabled(true);
	}

	@Override
	public void widgetDefaultSelected(SelectionEvent e) {
	// TODO Auto-generated method stub

	}
	});
	}

	private void createButtons(Composite parent) {
	Font font = parent.getFont();
	Composite composite = createComposite(parent, 1, 1,
	GridData.VERTICAL_ALIGN_BEGINNING
	\| GridData.HORIZONTAL_ALIGN_END);
	composite.setFont(font);
	newButton = createPushButton(composite,
	Messages.ContainerTab_New_Button, null); //$NON-NLS-1$
	newButton.setLayoutData(new GridData(GridData.FILL_BOTH));
	GridData gdb = new GridData(GridData.VERTICAL_ALIGN_CENTER);
	gdb.grabExcessHorizontalSpace = false;
	gdb.horizontalAlignment = SWT.FILL;
	gdb.minimumWidth = 120;
	newButton.setLayoutData(gdb);
	newButton.addSelectionListener(new SelectionAdapter() {
	@Override
	public void widgetSelected(SelectionEvent arg0) {
	handleNewButtonSelected(directoriesList);
	}
	});

	removeButton = createPushButton(composite,
	Messages.ContainerTab_Remove_Button, null); //$NON-NLS-1$
	removeButton.setLayoutData(new GridData(GridData.FILL_BOTH));
	removeButton.addSelectionListener(new SelectionAdapter() {
	@Override
	public void widgetSelected(SelectionEvent arg0) {
	handleRemoveButtonSelected(directoriesList);
	}
	});
	removeButton.setEnabled(false);
	}

	private void createOptions(Composite parent) {
	Font font = parent.getFont();
	Composite comp = createComposite(parent, 1, 3, GridData.FILL_BOTH);

	Group group = new Group(comp, SWT.NONE);
	group.setFont(font);
	group.setText(Messages.ContainerTab_Option_Group_Name);

	GridData gd2 = new GridData(GridData.FILL_BOTH);
	group.setLayoutData(gd2);

	group.setLayout(new GridLayout());
	Preferences prefs = InstanceScope.INSTANCE.getNode(DockerLaunchUIPlugin.PLUGIN_ID);
	keepButton = createCheckButton(group, Messages.ContainerTab_Keep_Label);
	keepButton.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
	Boolean keepPref = prefs.getBoolean(
	PreferenceConstants.KEEP_CONTAINER_AFTER_LAUNCH, false);
	keepButton.setSelection(keepPref);
	keepValue = keepPref;
	keepButton.addSelectionListener(new SelectionListener() {

	@Override
	public void widgetSelected(SelectionEvent e) {
	if (!keepValue.equals(keepButton.getSelection()))
	updateLaunchConfigurationDialog();
	keepValue = keepButton.getSelection();
	}

	@Override
	public void widgetDefaultSelected(SelectionEvent e) {
	}

	});
	stdinButton = createCheckButton(group,
	Messages.ContainerTab_Stdin_Support_Label);
	stdinButton.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
	stdinValue = false;
	stdinButton.addSelectionListener(new SelectionListener() {

	@Override
	public void widgetSelected(SelectionEvent e) {
	if (!stdinValue.equals(stdinButton.getSelection()))
	updateLaunchConfigurationDialog();
	stdinValue = stdinButton.getSelection();
	}

	@Override
	public void widgetDefaultSelected(SelectionEvent e) {
	}

	});
	}

	private Composite createComposite(Composite parent, int columns, int hspan,
	int fill) {
	Composite g = new Composite(parent, SWT.NONE);
	g.setLayout(new GridLayout(columns, false));
	g.setFont(parent.getFont());
	GridData gd = new GridData(fill);
	gd.horizontalSpan = hspan;
	g.setLayoutData(gd);
	return g;
	}

	/**
	* A New entry button has been pressed for the given text field. Prompt the
	* user for a directory to add and enter the result in the given field.
	*/
	protected void handleNewButtonSelected(List list) {
	String directory = getDirectory();
	if (directory != null) {
	list.add(directory);
	updateLaunchConfigurationDialog();
	}
	}

	/**
	* Prompts the user to choose and configure a variable and returns the
	* resulting string, suitable to be used as an attribute.
	*/
	private String getDirectory() {
	DirectoryDialog dialog = new DirectoryDialog(getShell());
	return dialog.open();
	}

	/**
	* The remove entry button has been pressed for the given text field. Remove
	* the currently selected directory.
	*/
	protected void handleRemoveButtonSelected(List list) {
	int index = list.getSelectionIndex();
	list.remove(index);
	updateLaunchConfigurationDialog();
	removeButton.setEnabled(false);
	}

	private void initializeConnectionSelector() {
	int defaultIndex = -1;
	connections = DockerConnectionManager.getInstance().getConnections();
	if (connections.length == 0) {
	setErrorMessage(Messages.ContainerTab_Error_No_Connections);
	return;
	}
	String[] connectionNames = new String[connections.length];
	for (int i = 0; i < connections.length; ++i) {
	connectionNames[i] = connections[i].getName();
	if (connections[i].getUri().equals(connectionUri))
	defaultIndex = i;
	}
	if (defaultIndex < 0) {
	setWarningMessage(Messages.bind(
	Messages.ContainerTab_Warning_Connection_Not_Found,
	connectionUri, connections[0].getName()));
	defaultIndex = 0;
	}
	connectionSelector.setItems(connectionNames);
	if (connections.length > 0) {
	connectionSelector.setText(connectionNames[defaultIndex]);
	connection = connections[defaultIndex];
	connectionUri = connection.getUri();
	}
	}

	private void initializeImageCombo() {
	if (connection != null) {
	java.util.List<IDockerImage> images = connection.getImages();
	if (images == null \|\| images.size() == 0) {
	setErrorMessage(Messages.ContainerTab_Error_No_Images);
	return;
	}
	connection.removeImageListener(containerTab);
	ArrayList<String> imageNames = new ArrayList<String>();
	for (IDockerImage image : images) {
	java.util.List<String> tags = image.repoTags();
	if (tags != null) {
	for (String tag : tags) {
	if (!tag.equals("<none>:<none>")) //$NON-NLS-1$
	imageNames.add(tag);
	}
	}
	}
	imageCombo.setItems(imageNames.toArray(new String[0]));
	if (imageName != null)
	imageCombo.setText(imageName);
	connection.addImageListener(containerTab);
	}
	}

	public void addControlAccessibleListener(Control control, String controlName) {
	// Strip mnemonic (&)
	String[] strs = controlName.split("&"); //$NON-NLS-1$
	StringBuffer stripped = new StringBuffer();
	for (int i = 0; i < strs.length; i++) {
	stripped.append(strs[i]);
	}
	control.getAccessible().addAccessibleListener(
	new ControlAccessibleListener(stripped.toString()));
	}

	private class ControlAccessibleListener extends AccessibleAdapter {
	private String controlName;

	ControlAccessibleListener(String name) {
	controlName = name;
	}

	@Override
	public void getName(AccessibleEvent e) {
	e.result = controlName;
	}
	}

	@Override
	public void setDefaults(ILaunchConfigurationWorkingCopy configuration) {
	configuration.setAttribute(ILaunchConstants.ATTR_ADDITIONAL_DIRS,
	(String) null);
	configuration.setAttribute(ILaunchConstants.ATTR_CONNECTION_URI, ""); //$NON-NLS-1$
	Preferences prefs = InstanceScope.INSTANCE
	.getNode(DockerLaunchUIPlugin.PLUGIN_ID);
	String image = prefs.get(PreferenceConstants.DEFAULT_IMAGE, ""); //$NON-NLS-1$
	configuration.setAttribute(ILaunchConstants.ATTR_IMAGE, image);
	Boolean keepContainer = prefs.getBoolean(
	PreferenceConstants.KEEP_CONTAINER_AFTER_LAUNCH, false);
	configuration.setAttribute(ILaunchConstants.ATTR_KEEP_AFTER_LAUNCH,
	keepContainer);
	configuration.setAttribute(ILaunchConstants.ATTR_STDIN_SUPPORT, false);
	}

	@Override
	public void initializeFrom(ILaunchConfiguration configuration) {
	try {
	java.util.List<String> additionalDirs = configuration.getAttribute(
	ILaunchConstants.ATTR_ADDITIONAL_DIRS,
	(java.util.List<String>) null);

	if (additionalDirs != null)
	directoriesList.setItems(additionalDirs.toArray(new String[0]));
	connectionUri = configuration.getAttribute(
	ILaunchConstants.ATTR_CONNECTION_URI, (String) "");
	imageName = configuration.getAttribute(ILaunchConstants.ATTR_IMAGE,
	"");
	imageCombo.setText(imageName);
	keepValue = configuration.getAttribute(
	ILaunchConstants.ATTR_KEEP_AFTER_LAUNCH, false);
	keepButton.setSelection(keepValue);
	stdinValue = configuration.getAttribute(
	ILaunchConstants.ATTR_STDIN_SUPPORT, false);
	stdinButton.setSelection(stdinValue);
	} catch (CoreException e) {
	setErrorMessage(Messages.bind(
	Messages.ContainerTab_Error_Reading_Configuration, e
	.getStatus().getMessage())); //$NON-NLS-1$
	DockerLaunchUIPlugin.log(e);
	}
	}

	@Override
	public void performApply(ILaunchConfigurationWorkingCopy configuration) {
	String[] dirs = directoriesList.getItems();
	configuration.setAttribute(ILaunchConstants.ATTR_ADDITIONAL_DIRS,
	Arrays.asList(dirs));
	String image = imageCombo.getText();
	configuration.setAttribute(ILaunchConstants.ATTR_IMAGE, image);
	configuration.setAttribute(ILaunchConstants.ATTR_CONNECTION_URI,
	connectionUri);
	configuration.setAttribute(ILaunchConstants.ATTR_KEEP_AFTER_LAUNCH,
	keepButton.getSelection());
	configuration.setAttribute(ILaunchConstants.ATTR_STDIN_SUPPORT,
	stdinButton.getSelection());
	}

	@Override
	public boolean isValid(ILaunchConfiguration launchConfig) {
	try {
	return launchConfig.getAttribute(ILaunchConstants.ATTR_IMAGE,
	(String) null) != null;
	} catch (CoreException e) {
	return false;
	}
	}

	@Override
	public String getName() {
	return Messages.ContainerTab_Name;
	}

	@Override
	public Image getImage() {
	return SWTImagesFactory.get(SWTImagesFactory.IMG_DOCKER_SMALL);
	}

	@Override
	public void changeEvent(int type) {
	String currUri = null;
	int currIndex = 0;
	connections = DockerConnectionManager.getInstance().getConnections();
	if (connection != null) {
	currUri = connection.getUri();
	currIndex = connectionSelector.getSelectionIndex();
	}
	String[] connectionNames = new String[connections.length];
	int index = 0;
	for (int i = 0; i < connections.length; ++i) {
	connectionNames[i] = connections[i].getName();
	if (connections[i].getUri().equals(currUri))
	index = i;
	}
	if (type == IDockerConnectionManagerListener.RENAME_EVENT) {
	index = currIndex; // no change in connection displayed
	}
	connectionSelector.removeModifyListener(connectionModifyListener);
	connectionSelector.setItems(connectionNames);
	if (connectionNames.length > 0) {
	connectionSelector.setText(connectionNames[index]);
	connection = connections[index];
	connectionUri = connection.getUri();
	} else {
	connection = null;
	connectionUri = "";
	connectionSelector.setText("");
	}
	connectionSelector.addModifyListener(connectionModifyListener);
	}

	public void listChanged(IDockerConnection c,
	java.util.List<IDockerImage> list) {
	final IDockerImage[] finalList = list.toArray(new IDockerImage[0]);
	if (c.getName().equals(connection.getName())) {
	Display.getDefault().syncExec(new Runnable() {
	@Override
	public void run() {
	connection.removeImageListener(containerTab);
	ArrayList<String> imageNames = new ArrayList<String>();
	for (IDockerImage image : finalList) {
	java.util.List<String> tags = image.repoTags();
	if (tags != null) {
	for (String tag : tags) {
	imageNames.add(tag);
	}
	}
	}
	if (!imageCombo.isDisposed())
	imageCombo.setItems(imageNames.toArray(new String[0]));
	connection.addImageListener(containerTab);
	}

	});
	}
	}

	@Override
	public void dispose() {
	if (connection != null)
	connection.removeImageListener(containerTab);
	super.dispose();
	}
	}