plugins/org.eclipse.koneki.ldt.remote.debug.ui/src/org/eclipse/koneki/ldt/remote/debug/ui/internal/launch/tab/LuaRemoteLaunchConfigurationMainTab.java - ldt/org.eclipse.ldt - Git at Google

 /*******************************************************************************
  * Copyright (c) 2012 Sierra Wireless 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:
  *     Sierra Wireless - initial API and implementation
  *******************************************************************************/
 package org.eclipse.koneki.ldt.remote.debug.ui.internal.launch.tab;

 import org.eclipse.core.resources.IFile;
 import org.eclipse.core.resources.IProject;
 import org.eclipse.core.resources.ResourcesPlugin;
 import org.eclipse.core.runtime.CoreException;
 import org.eclipse.core.runtime.IPath;
 import org.eclipse.core.runtime.Path;
 import org.eclipse.debug.core.ILaunchConfiguration;
 import org.eclipse.debug.core.ILaunchConfigurationWorkingCopy;
 import org.eclipse.debug.core.ILaunchManager;
 import org.eclipse.debug.ui.AbstractLaunchConfigurationTab;
 import org.eclipse.dltk.debug.ui.messages.DLTKLaunchConfigurationsMessages;
 import org.eclipse.dltk.debug.ui.preferences.ScriptDebugPreferencesMessages;
 import org.eclipse.jface.layout.GridDataFactory;
 import org.eclipse.jface.layout.GridLayoutFactory;
 import org.eclipse.koneki.ldt.core.LuaConstants;
 import org.eclipse.koneki.ldt.core.LuaNature;
 import org.eclipse.koneki.ldt.remote.core.internal.RSEUtil;
 import org.eclipse.koneki.ldt.remote.core.internal.lua.LuaRSEUtil;
 import org.eclipse.koneki.ldt.remote.debug.core.internal.LuaRemoteDebugConstant;
 import org.eclipse.koneki.ldt.remote.debug.core.internal.launch.LuaRemoteLaunchConfigurationUtil;
 import org.eclipse.koneki.ldt.remote.debug.ui.internal.Activator;
 import org.eclipse.koneki.ldt.ui.LuaDialogUtil;
 import org.eclipse.koneki.ldt.ui.SWTUtil;
 import org.eclipse.rse.core.RSECorePlugin;
 import org.eclipse.rse.core.model.IHost;
 import org.eclipse.rse.ui.widgets.SystemHostCombo;
 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.events.SelectionListener;
 import org.eclipse.swt.graphics.Image;
 import org.eclipse.swt.widgets.Button;
 import org.eclipse.swt.widgets.Composite;
 import org.eclipse.swt.widgets.Group;
 import org.eclipse.swt.widgets.Label;
 import org.eclipse.swt.widgets.Text;

 public class LuaRemoteLaunchConfigurationMainTab extends AbstractLaunchConfigurationTab {

 	/**
 	 * Commons listener for Textfield (used to update dialog buttons)
 	 */
 	private final class TextModifyListener implements ModifyListener {
 		@Override
 		public void modifyText(ModifyEvent e) {
 			updateLaunchConfigurationDialog();
 		}
 	}

 	/**
 	 * Commons listener for UI (used to update dialog buttons)
 	 */
 	private final class SelectionChangeListener extends SelectionAdapter {
 		@Override
 		public void widgetSelected(SelectionEvent e) {
 			updateLaunchConfigurationDialog();
 		}
 	}

 	private SystemHostCombo hostCombo;
 	private TextModifyListener textModifyListener = new TextModifyListener();
 	private SelectionListener selectionChangeListener = new SelectionChangeListener();
 	private Text projectNameText;
 	private Button projectSelectionButton;
 	private Text scriptNameText;
 	private Button scriptSelectionButton;
 	private Button breakOnFirstLineButton;
 	private Button enableLoggingButton;

 	private String mode;

 	public LuaRemoteLaunchConfigurationMainTab(String mode) {
 		this.mode = mode;
 	}

 	/**
 	 * @see org.eclipse.debug.ui.ILaunchConfigurationTab#createControl(org.eclipse.swt.widgets.Composite)
 	 */
 	@Override
 	public void createControl(Composite parent) {
 		Composite comp = new Composite(parent, SWT.NONE);
 		setControl(comp);
 		GridLayoutFactory.swtDefaults().spacing(SWT.DEFAULT, 1).applyTo(comp);
 		comp.setFont(parent.getFont());

 		// TODO not sure this is the good way to wait for init everywhere in the code
 		RSEUtil.waitForRSEInitialization();

 		createProjectConfigComponent(comp);
 		createScriptConfigComponent(comp);
 		createTargetConfigComponent(comp);

 		if (ILaunchManager.DEBUG_MODE.equals(mode)) {
 			createDebugConfigComponent(comp);
 		}
 	}

 	/**
 	 * create the composite used to configure the target information
 	 *
 	 * @param comp
 	 */
 	private void createProjectConfigComponent(Composite comp) {
 		// create group
 		Group group = new Group(comp, SWT.None);
 		group.setText(DLTKLaunchConfigurationsMessages.mainTab_projectGroup);
 		GridDataFactory.fillDefaults().grab(true, false).applyTo(group);
 		GridLayoutFactory.swtDefaults().numColumns(2).applyTo(group);

 		// create project choice :
 		projectNameText = new Text(group, SWT.SINGLE | SWT.BORDER);
 		GridDataFactory.swtDefaults().align(SWT.FILL, SWT.CENTER).grab(true, false).applyTo(projectNameText);
 		projectSelectionButton = new Button(group, SWT.PUSH);
 		projectSelectionButton.setText(Messages.LuaRemoteMainTab_projectgroup_browseprojectbutton);
 		final int browseButtonHorizontalHint = SWTUtil.getButtonWidthHint(projectSelectionButton);
 		GridDataFactory.fillDefaults().align(SWT.END, SWT.BEGINNING).hint(browseButtonHorizontalHint, SWT.DEFAULT).applyTo(projectSelectionButton);

 	}

 	private void createScriptConfigComponent(Composite comp) {
 		// create group
 		Group group = new Group(comp, SWT.None);
 		group.setText(DLTKLaunchConfigurationsMessages.mainTab_mainModule);
 		GridDataFactory.fillDefaults().grab(true, false).applyTo(group);
 		GridLayoutFactory.swtDefaults().numColumns(2).applyTo(group);

 		// create script choice :
 		scriptNameText = new Text(group, SWT.SINGLE | SWT.BORDER);
 		GridDataFactory.swtDefaults().align(SWT.FILL, SWT.CENTER).grab(true, false).applyTo(scriptNameText);
 		scriptSelectionButton = new Button(group, SWT.PUSH);
 		scriptSelectionButton.setText(Messages.LuaRemoteMainTab_projectgroup_browseprojectbutton);
 		final int browseButtonHorizontalHint = SWTUtil.getButtonWidthHint(projectSelectionButton);
 		GridDataFactory.fillDefaults().align(SWT.END, SWT.BEGINNING).hint(browseButtonHorizontalHint, SWT.DEFAULT).applyTo(scriptSelectionButton);
 	}

 	/**
 	 * create the composite used to configure the target information
 	 */
 	private void createTargetConfigComponent(Composite comp) {
 		// create group
 		Group group = new Group(comp, SWT.None);
 		group.setText(Messages.LuaRemoteMainTab_targetgroup_title);
 		GridDataFactory.fillDefaults().grab(true, false).applyTo(group);
 		GridLayoutFactory.swtDefaults().numColumns(2).applyTo(group);

 		// create target combo
 		Label hostLabel = new Label(group, SWT.None);
 		hostLabel.setText(Messages.LuaRemoteMainTab_targetgroup_hostlabel);
 		IHost selectfirstHost = null;
 		hostCombo = new SystemHostCombo(group, SWT.None, selectfirstHost, true, "files", false); //$NON-NLS-1$
 		final int newSystemHint = SWTUtil.getButtonWidthHint(hostCombo.getNewButton());
 		hostCombo.setButtonWidthHint(newSystemHint);
 		GridDataFactory.swtDefaults().align(SWT.FILL, SWT.CENTER).grab(true, false).applyTo(hostCombo);
 	}

 	/**
 	 * @param comp
 	 */
 	private void createDebugConfigComponent(Composite comp) {
 		// create group
 		Group group = new Group(comp, SWT.None);
 		group.setText(Messages.LuaRemoteLaunchConfigurationMainTab_debuggroup_title);
 		GridDataFactory.fillDefaults().grab(true, false).applyTo(group);
 		GridLayoutFactory.swtDefaults().numColumns(2).applyTo(group);

 		breakOnFirstLineButton = createCheckButton(group, ScriptDebugPreferencesMessages.BreakOnFirstLineLabel);
 		createVerticalSpacer(group, 1);

 		enableLoggingButton = createCheckButton(group, ScriptDebugPreferencesMessages.EnableDbgpLoggingLabel);
 		createVerticalSpacer(group, 1);
 	}

 	/**
 	 * @see org.eclipse.debug.ui.ILaunchConfigurationTab#setDefaults(org.eclipse.debug.core.ILaunchConfigurationWorkingCopy)
 	 */
 	@Override
 	public void setDefaults(ILaunchConfigurationWorkingCopy configuration) {

 		IProject defaultProject = null;
 		try {
 			IProject[] avilableProjects = ResourcesPlugin.getWorkspace().getRoot().getProjects();
 			for (IProject project : avilableProjects) {
 				if (project.hasNature(LuaNature.ID) && defaultProject == null) {
 					defaultProject = project;
 				}
 			}
 			// CHECKSTYLE:OFF
 		} catch (CoreException e) {
 			// nothing to do, continue trying to find a default project
 		}
 		// CHECKSTYLE:ON

 		configuration.setAttribute(LuaRemoteDebugConstant.PROJECT_NAME, defaultProject == null ? "" : defaultProject.getName()); //$NON-NLS-1$

 		String defaultScript = ""; //$NON-NLS-1$
 		if (defaultProject != null) {
 			IPath standardPath = new Path(LuaConstants.SOURCE_FOLDER).append(LuaConstants.DEFAULT_MAIN_FILE);
 			IFile standardFile = defaultProject.getFile(standardPath);
 			if (standardFile.exists()) {
 				defaultScript = standardFile.getProjectRelativePath().toPortableString();
 			}
 		}
 		configuration.setAttribute(LuaRemoteDebugConstant.SCRIPT_NAME, defaultScript);

 		// get first available target with luaSsh subsystem
 		final IHost[] hosts = RSECorePlugin.getTheSystemRegistry().getHosts();
 		for (int i = 0; i < hosts.length && LuaRemoteLaunchConfigurationUtil.getHost(configuration) == null; i++) {
 			final IHost host = hosts[i];
 			if (LuaRSEUtil.getLuaSubSystem(host) != null) {
 				LuaRemoteLaunchConfigurationUtil.setConnectionId(configuration, host);
 			}
 		}
 		configuration.setAttribute(LuaRemoteDebugConstant.DBGP_LOGGING, false);
 		configuration.setAttribute(LuaRemoteDebugConstant.BREAK_ON_FIRST_LINE, false);
 	}

 	/**
 	 * add listeners to be aware of tab modification (to update dialog buttons)
 	 */
 	private void addListeners() {
 		if (!projectNameText.isListening(SWT.Modify))
 			projectNameText.addModifyListener(textModifyListener);
 		if (!scriptNameText.isListening(SWT.Modify))
 			scriptNameText.addModifyListener(textModifyListener);
 		if (!projectSelectionButton.isListening(SWT.Selection))
 			projectSelectionButton.addSelectionListener(new SelectionAdapter() {
 				@Override
 				public void widgetSelected(SelectionEvent e) {
 					selectLuaEmbeddedProject();
 				}
 			});
 		if (!scriptSelectionButton.isListening(SWT.Selection))
 			scriptSelectionButton.addSelectionListener(new SelectionAdapter() {
 				@Override
 				public void widgetSelected(SelectionEvent e) {
 					selectScript();
 				}
 			});
 		if (!hostCombo.isListening(SWT.Selection))
 			hostCombo.addSelectionListener(selectionChangeListener);
 		if (breakOnFirstLineButton != null && !breakOnFirstLineButton.isListening(SWT.Selection))
 			breakOnFirstLineButton.addSelectionListener(selectionChangeListener);
 		if (enableLoggingButton != null && !enableLoggingButton.isListening(SWT.Selection))
 			enableLoggingButton.addSelectionListener(selectionChangeListener);
 	}

 	/**
 	 * @see org.eclipse.debug.ui.ILaunchConfigurationTab#initializeFrom(org.eclipse.debug.core.ILaunchConfiguration)
 	 */
 	@Override
 	public void initializeFrom(ILaunchConfiguration configuration) {
 		try {
 			String projectName = configuration.getAttribute(LuaRemoteDebugConstant.PROJECT_NAME, ""); //$NON-NLS-1$
 			if (!projectName.equals(projectNameText.getText()))
 				projectNameText.setText(projectName);
 			String scriptName = configuration.getAttribute(LuaRemoteDebugConstant.SCRIPT_NAME, ""); //$NON-NLS-1$
 			if (!scriptName.equals(scriptNameText.getText()))
 				scriptNameText.setText(scriptName);
 			IHost host = LuaRemoteLaunchConfigurationUtil.getHost(configuration);
 			if (hostCombo.getHost() != host)
 				hostCombo.select(host);

 			if (breakOnFirstLineButton != null) {
 				boolean breakOnFirstLine = configuration.getAttribute(LuaRemoteDebugConstant.BREAK_ON_FIRST_LINE, false);
 				breakOnFirstLineButton.setSelection(breakOnFirstLine);
 			}
 			if (enableLoggingButton != null) {
 				boolean enableDBGPLogging = configuration.getAttribute(LuaRemoteDebugConstant.DBGP_LOGGING, false);
 				enableLoggingButton.setSelection(enableDBGPLogging);
 			}

 			addListeners();
 		} catch (CoreException e) {
 			Activator.logError("Launch Configuration main tab for lua embedded failed at initialization", e); //$NON-NLS-1$
 		}
 	}

 	/**
 	 * @see org.eclipse.debug.ui.ILaunchConfigurationTab#performApply(org.eclipse.debug.core.ILaunchConfigurationWorkingCopy)
 	 */
 	@Override
 	public void performApply(ILaunchConfigurationWorkingCopy configuration) {
 		// Save attributes
 		configuration.setAttribute(LuaRemoteDebugConstant.PROJECT_NAME, projectNameText.getText());
 		configuration.setAttribute(LuaRemoteDebugConstant.SCRIPT_NAME, scriptNameText.getText());
 		IHost host = hostCombo.getHost();
 		if (host != null)
 			LuaRemoteLaunchConfigurationUtil.setConnectionId(configuration, hostCombo.getHost());
 		else
 			configuration.removeAttribute(LuaRemoteDebugConstant.HOST_ID);
 		if (breakOnFirstLineButton != null) {
 			configuration.setAttribute(LuaRemoteDebugConstant.BREAK_ON_FIRST_LINE, breakOnFirstLineButton.getSelection());
 		}
 		if (enableLoggingButton != null) {
 			configuration.setAttribute(LuaRemoteDebugConstant.DBGP_LOGGING, enableLoggingButton.getSelection());
 		}
 	}

 	/**
 	 * @see org.eclipse.debug.ui.ILaunchConfigurationTab#getName()
 	 */
 	@Override
 	public String getName() {
 		return Messages.LuaRemoteMainTab_tabname;
 	}

 	/**
 	 * @see org.eclipse.debug.ui.AbstractLaunchConfigurationTab#getImage()
 	 */
 	@Override
 	public Image getImage() {
 		return org.eclipse.koneki.ldt.ui.internal.Activator.getDefault().getImageRegistry()
 				.get(org.eclipse.koneki.ldt.ui.internal.ImageConstants.MODULE_OBJ16);
 	}

 	/**
 	 * @see org.eclipse.debug.ui.AbstractLaunchConfigurationTab#isValid(org.eclipse.debug.core.ILaunchConfiguration)
 	 */
 	@Override
 	public boolean isValid(ILaunchConfiguration configuration) {
 		String projectName = projectNameText.getText();
 		String scriptName = scriptNameText.getText();
 		IHost host = hostCombo.getHost();
 		return innerIsValuesValid(projectName, scriptName, host);
 	}

 	/**
 	 * internal method to validate the value of the current tab
 	 *
 	 * @param luaInspectorPort
 	 *
 	 * @return true if value is valid
 	 */
 	private boolean innerIsValuesValid(String projectName, String scriptName, IHost host) {
 		String error = LuaRemoteLaunchConfigurationUtil.validateRemoteLaunchConfiguration(projectName, scriptName, host);
 		setErrorMessage(error);
 		return error == null;
 	}

 	/**
 	 * Open project selection dialog
 	 */
 	private void selectLuaEmbeddedProject() {
 		String currentProjectName = projectNameText.getText();
 		IProject selectedProject = LuaDialogUtil.openSelectLuaProjectDialog(getShell(), projectNameText.getText(),
 				DLTKLaunchConfigurationsMessages.mainTab_chooseProject_title, DLTKLaunchConfigurationsMessages.mainTab_chooseProject_message);
 		if (selectedProject != null && !selectedProject.getName().equals(currentProjectName))
 			projectNameText.setText(selectedProject.getName());
 	}

 	/**
 	 * Open Script selection dialog
 	 */
 	private void selectScript() {
 		String currentProjectName = projectNameText.getText();
 		IProject project = ResourcesPlugin.getWorkspace().getRoot().getProject(currentProjectName);
 		IFile selectedScript = LuaDialogUtil.openSelectScriptFromProjectDialog(getShell(), project,
 				DLTKLaunchConfigurationsMessages.mainTab_searchButton_title, DLTKLaunchConfigurationsMessages.mainTab_searchButton_message);
 		if (selectedScript != null && !selectedScript.getName().equals(scriptNameText.getText())) {
 			scriptNameText.setText(selectedScript.getProjectRelativePath().toPortableString());
 		}
 	}
 }
	/*******************************************************************************
	* Copyright (c) 2012 Sierra Wireless 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:
	* Sierra Wireless - initial API and implementation
	*******************************************************************************/
	package org.eclipse.koneki.ldt.remote.debug.ui.internal.launch.tab;

	import org.eclipse.core.resources.IFile;
	import org.eclipse.core.resources.IProject;
	import org.eclipse.core.resources.ResourcesPlugin;
	import org.eclipse.core.runtime.CoreException;
	import org.eclipse.core.runtime.IPath;
	import org.eclipse.core.runtime.Path;
	import org.eclipse.debug.core.ILaunchConfiguration;
	import org.eclipse.debug.core.ILaunchConfigurationWorkingCopy;
	import org.eclipse.debug.core.ILaunchManager;
	import org.eclipse.debug.ui.AbstractLaunchConfigurationTab;
	import org.eclipse.dltk.debug.ui.messages.DLTKLaunchConfigurationsMessages;
	import org.eclipse.dltk.debug.ui.preferences.ScriptDebugPreferencesMessages;
	import org.eclipse.jface.layout.GridDataFactory;
	import org.eclipse.jface.layout.GridLayoutFactory;
	import org.eclipse.koneki.ldt.core.LuaConstants;
	import org.eclipse.koneki.ldt.core.LuaNature;
	import org.eclipse.koneki.ldt.remote.core.internal.RSEUtil;
	import org.eclipse.koneki.ldt.remote.core.internal.lua.LuaRSEUtil;
	import org.eclipse.koneki.ldt.remote.debug.core.internal.LuaRemoteDebugConstant;
	import org.eclipse.koneki.ldt.remote.debug.core.internal.launch.LuaRemoteLaunchConfigurationUtil;
	import org.eclipse.koneki.ldt.remote.debug.ui.internal.Activator;
	import org.eclipse.koneki.ldt.ui.LuaDialogUtil;
	import org.eclipse.koneki.ldt.ui.SWTUtil;
	import org.eclipse.rse.core.RSECorePlugin;
	import org.eclipse.rse.core.model.IHost;
	import org.eclipse.rse.ui.widgets.SystemHostCombo;
	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.events.SelectionListener;
	import org.eclipse.swt.graphics.Image;
	import org.eclipse.swt.widgets.Button;
	import org.eclipse.swt.widgets.Composite;
	import org.eclipse.swt.widgets.Group;
	import org.eclipse.swt.widgets.Label;
	import org.eclipse.swt.widgets.Text;

	public class LuaRemoteLaunchConfigurationMainTab extends AbstractLaunchConfigurationTab {

	/**
	* Commons listener for Textfield (used to update dialog buttons)
	*/
	private final class TextModifyListener implements ModifyListener {
	@Override
	public void modifyText(ModifyEvent e) {
	updateLaunchConfigurationDialog();
	}
	}

	/**
	* Commons listener for UI (used to update dialog buttons)
	*/
	private final class SelectionChangeListener extends SelectionAdapter {
	@Override
	public void widgetSelected(SelectionEvent e) {
	updateLaunchConfigurationDialog();
	}
	}

	private SystemHostCombo hostCombo;
	private TextModifyListener textModifyListener = new TextModifyListener();
	private SelectionListener selectionChangeListener = new SelectionChangeListener();
	private Text projectNameText;
	private Button projectSelectionButton;
	private Text scriptNameText;
	private Button scriptSelectionButton;
	private Button breakOnFirstLineButton;
	private Button enableLoggingButton;

	private String mode;

	public LuaRemoteLaunchConfigurationMainTab(String mode) {
	this.mode = mode;
	}

	/**
	* @see org.eclipse.debug.ui.ILaunchConfigurationTab#createControl(org.eclipse.swt.widgets.Composite)
	*/
	@Override
	public void createControl(Composite parent) {
	Composite comp = new Composite(parent, SWT.NONE);
	setControl(comp);
	GridLayoutFactory.swtDefaults().spacing(SWT.DEFAULT, 1).applyTo(comp);
	comp.setFont(parent.getFont());

	// TODO not sure this is the good way to wait for init everywhere in the code
	RSEUtil.waitForRSEInitialization();

	createProjectConfigComponent(comp);
	createScriptConfigComponent(comp);
	createTargetConfigComponent(comp);

	if (ILaunchManager.DEBUG_MODE.equals(mode)) {
	createDebugConfigComponent(comp);
	}
	}

	/**
	* create the composite used to configure the target information
	*
	* @param comp
	*/
	private void createProjectConfigComponent(Composite comp) {
	// create group
	Group group = new Group(comp, SWT.None);
	group.setText(DLTKLaunchConfigurationsMessages.mainTab_projectGroup);
	GridDataFactory.fillDefaults().grab(true, false).applyTo(group);
	GridLayoutFactory.swtDefaults().numColumns(2).applyTo(group);

	// create project choice :
	projectNameText = new Text(group, SWT.SINGLE \| SWT.BORDER);
	GridDataFactory.swtDefaults().align(SWT.FILL, SWT.CENTER).grab(true, false).applyTo(projectNameText);
	projectSelectionButton = new Button(group, SWT.PUSH);
	projectSelectionButton.setText(Messages.LuaRemoteMainTab_projectgroup_browseprojectbutton);
	final int browseButtonHorizontalHint = SWTUtil.getButtonWidthHint(projectSelectionButton);
	GridDataFactory.fillDefaults().align(SWT.END, SWT.BEGINNING).hint(browseButtonHorizontalHint, SWT.DEFAULT).applyTo(projectSelectionButton);

	}

	private void createScriptConfigComponent(Composite comp) {
	// create group
	Group group = new Group(comp, SWT.None);
	group.setText(DLTKLaunchConfigurationsMessages.mainTab_mainModule);
	GridDataFactory.fillDefaults().grab(true, false).applyTo(group);
	GridLayoutFactory.swtDefaults().numColumns(2).applyTo(group);

	// create script choice :
	scriptNameText = new Text(group, SWT.SINGLE \| SWT.BORDER);
	GridDataFactory.swtDefaults().align(SWT.FILL, SWT.CENTER).grab(true, false).applyTo(scriptNameText);
	scriptSelectionButton = new Button(group, SWT.PUSH);
	scriptSelectionButton.setText(Messages.LuaRemoteMainTab_projectgroup_browseprojectbutton);
	final int browseButtonHorizontalHint = SWTUtil.getButtonWidthHint(projectSelectionButton);
	GridDataFactory.fillDefaults().align(SWT.END, SWT.BEGINNING).hint(browseButtonHorizontalHint, SWT.DEFAULT).applyTo(scriptSelectionButton);
	}

	/**
	* create the composite used to configure the target information
	*/
	private void createTargetConfigComponent(Composite comp) {
	// create group
	Group group = new Group(comp, SWT.None);
	group.setText(Messages.LuaRemoteMainTab_targetgroup_title);
	GridDataFactory.fillDefaults().grab(true, false).applyTo(group);
	GridLayoutFactory.swtDefaults().numColumns(2).applyTo(group);

	// create target combo
	Label hostLabel = new Label(group, SWT.None);
	hostLabel.setText(Messages.LuaRemoteMainTab_targetgroup_hostlabel);
	IHost selectfirstHost = null;
	hostCombo = new SystemHostCombo(group, SWT.None, selectfirstHost, true, "files", false); //$NON-NLS-1$
	final int newSystemHint = SWTUtil.getButtonWidthHint(hostCombo.getNewButton());
	hostCombo.setButtonWidthHint(newSystemHint);
	GridDataFactory.swtDefaults().align(SWT.FILL, SWT.CENTER).grab(true, false).applyTo(hostCombo);
	}

	/**
	* @param comp
	*/
	private void createDebugConfigComponent(Composite comp) {
	// create group
	Group group = new Group(comp, SWT.None);
	group.setText(Messages.LuaRemoteLaunchConfigurationMainTab_debuggroup_title);
	GridDataFactory.fillDefaults().grab(true, false).applyTo(group);
	GridLayoutFactory.swtDefaults().numColumns(2).applyTo(group);

	breakOnFirstLineButton = createCheckButton(group, ScriptDebugPreferencesMessages.BreakOnFirstLineLabel);
	createVerticalSpacer(group, 1);

	enableLoggingButton = createCheckButton(group, ScriptDebugPreferencesMessages.EnableDbgpLoggingLabel);
	createVerticalSpacer(group, 1);
	}

	/**
	* @see org.eclipse.debug.ui.ILaunchConfigurationTab#setDefaults(org.eclipse.debug.core.ILaunchConfigurationWorkingCopy)
	*/
	@Override
	public void setDefaults(ILaunchConfigurationWorkingCopy configuration) {

	IProject defaultProject = null;
	try {
	IProject[] avilableProjects = ResourcesPlugin.getWorkspace().getRoot().getProjects();
	for (IProject project : avilableProjects) {
	if (project.hasNature(LuaNature.ID) && defaultProject == null) {
	defaultProject = project;
	}
	}
	// CHECKSTYLE:OFF
	} catch (CoreException e) {
	// nothing to do, continue trying to find a default project
	}
	// CHECKSTYLE:ON

	configuration.setAttribute(LuaRemoteDebugConstant.PROJECT_NAME, defaultProject == null ? "" : defaultProject.getName()); //$NON-NLS-1$

	String defaultScript = ""; //$NON-NLS-1$
	if (defaultProject != null) {
	IPath standardPath = new Path(LuaConstants.SOURCE_FOLDER).append(LuaConstants.DEFAULT_MAIN_FILE);
	IFile standardFile = defaultProject.getFile(standardPath);
	if (standardFile.exists()) {
	defaultScript = standardFile.getProjectRelativePath().toPortableString();
	}
	}
	configuration.setAttribute(LuaRemoteDebugConstant.SCRIPT_NAME, defaultScript);

	// get first available target with luaSsh subsystem
	final IHost[] hosts = RSECorePlugin.getTheSystemRegistry().getHosts();
	for (int i = 0; i < hosts.length && LuaRemoteLaunchConfigurationUtil.getHost(configuration) == null; i++) {
	final IHost host = hosts[i];
	if (LuaRSEUtil.getLuaSubSystem(host) != null) {
	LuaRemoteLaunchConfigurationUtil.setConnectionId(configuration, host);
	}
	}
	configuration.setAttribute(LuaRemoteDebugConstant.DBGP_LOGGING, false);
	configuration.setAttribute(LuaRemoteDebugConstant.BREAK_ON_FIRST_LINE, false);
	}

	/**
	* add listeners to be aware of tab modification (to update dialog buttons)
	*/
	private void addListeners() {
	if (!projectNameText.isListening(SWT.Modify))
	projectNameText.addModifyListener(textModifyListener);
	if (!scriptNameText.isListening(SWT.Modify))
	scriptNameText.addModifyListener(textModifyListener);
	if (!projectSelectionButton.isListening(SWT.Selection))
	projectSelectionButton.addSelectionListener(new SelectionAdapter() {
	@Override
	public void widgetSelected(SelectionEvent e) {
	selectLuaEmbeddedProject();
	}
	});
	if (!scriptSelectionButton.isListening(SWT.Selection))
	scriptSelectionButton.addSelectionListener(new SelectionAdapter() {
	@Override
	public void widgetSelected(SelectionEvent e) {
	selectScript();
	}
	});
	if (!hostCombo.isListening(SWT.Selection))
	hostCombo.addSelectionListener(selectionChangeListener);
	if (breakOnFirstLineButton != null && !breakOnFirstLineButton.isListening(SWT.Selection))
	breakOnFirstLineButton.addSelectionListener(selectionChangeListener);
	if (enableLoggingButton != null && !enableLoggingButton.isListening(SWT.Selection))
	enableLoggingButton.addSelectionListener(selectionChangeListener);
	}

	/**
	* @see org.eclipse.debug.ui.ILaunchConfigurationTab#initializeFrom(org.eclipse.debug.core.ILaunchConfiguration)
	*/
	@Override
	public void initializeFrom(ILaunchConfiguration configuration) {
	try {
	String projectName = configuration.getAttribute(LuaRemoteDebugConstant.PROJECT_NAME, ""); //$NON-NLS-1$
	if (!projectName.equals(projectNameText.getText()))
	projectNameText.setText(projectName);
	String scriptName = configuration.getAttribute(LuaRemoteDebugConstant.SCRIPT_NAME, ""); //$NON-NLS-1$
	if (!scriptName.equals(scriptNameText.getText()))
	scriptNameText.setText(scriptName);
	IHost host = LuaRemoteLaunchConfigurationUtil.getHost(configuration);
	if (hostCombo.getHost() != host)
	hostCombo.select(host);

	if (breakOnFirstLineButton != null) {
	boolean breakOnFirstLine = configuration.getAttribute(LuaRemoteDebugConstant.BREAK_ON_FIRST_LINE, false);
	breakOnFirstLineButton.setSelection(breakOnFirstLine);
	}
	if (enableLoggingButton != null) {
	boolean enableDBGPLogging = configuration.getAttribute(LuaRemoteDebugConstant.DBGP_LOGGING, false);
	enableLoggingButton.setSelection(enableDBGPLogging);
	}

	addListeners();
	} catch (CoreException e) {
	Activator.logError("Launch Configuration main tab for lua embedded failed at initialization", e); //$NON-NLS-1$
	}
	}

	/**
	* @see org.eclipse.debug.ui.ILaunchConfigurationTab#performApply(org.eclipse.debug.core.ILaunchConfigurationWorkingCopy)
	*/
	@Override
	public void performApply(ILaunchConfigurationWorkingCopy configuration) {
	// Save attributes
	configuration.setAttribute(LuaRemoteDebugConstant.PROJECT_NAME, projectNameText.getText());
	configuration.setAttribute(LuaRemoteDebugConstant.SCRIPT_NAME, scriptNameText.getText());
	IHost host = hostCombo.getHost();
	if (host != null)
	LuaRemoteLaunchConfigurationUtil.setConnectionId(configuration, hostCombo.getHost());
	else
	configuration.removeAttribute(LuaRemoteDebugConstant.HOST_ID);
	if (breakOnFirstLineButton != null) {
	configuration.setAttribute(LuaRemoteDebugConstant.BREAK_ON_FIRST_LINE, breakOnFirstLineButton.getSelection());
	}
	if (enableLoggingButton != null) {
	configuration.setAttribute(LuaRemoteDebugConstant.DBGP_LOGGING, enableLoggingButton.getSelection());
	}
	}

	/**
	* @see org.eclipse.debug.ui.ILaunchConfigurationTab#getName()
	*/
	@Override
	public String getName() {
	return Messages.LuaRemoteMainTab_tabname;
	}

	/**
	* @see org.eclipse.debug.ui.AbstractLaunchConfigurationTab#getImage()
	*/
	@Override
	public Image getImage() {
	return org.eclipse.koneki.ldt.ui.internal.Activator.getDefault().getImageRegistry()
	.get(org.eclipse.koneki.ldt.ui.internal.ImageConstants.MODULE_OBJ16);
	}

	/**
	* @see org.eclipse.debug.ui.AbstractLaunchConfigurationTab#isValid(org.eclipse.debug.core.ILaunchConfiguration)
	*/
	@Override
	public boolean isValid(ILaunchConfiguration configuration) {
	String projectName = projectNameText.getText();
	String scriptName = scriptNameText.getText();
	IHost host = hostCombo.getHost();
	return innerIsValuesValid(projectName, scriptName, host);
	}

	/**
	* internal method to validate the value of the current tab
	*
	* @param luaInspectorPort
	*
	* @return true if value is valid
	*/
	private boolean innerIsValuesValid(String projectName, String scriptName, IHost host) {
	String error = LuaRemoteLaunchConfigurationUtil.validateRemoteLaunchConfiguration(projectName, scriptName, host);
	setErrorMessage(error);
	return error == null;
	}

	/**
	* Open project selection dialog
	*/
	private void selectLuaEmbeddedProject() {
	String currentProjectName = projectNameText.getText();
	IProject selectedProject = LuaDialogUtil.openSelectLuaProjectDialog(getShell(), projectNameText.getText(),
	DLTKLaunchConfigurationsMessages.mainTab_chooseProject_title, DLTKLaunchConfigurationsMessages.mainTab_chooseProject_message);
	if (selectedProject != null && !selectedProject.getName().equals(currentProjectName))
	projectNameText.setText(selectedProject.getName());
	}

	/**
	* Open Script selection dialog
	*/
	private void selectScript() {
	String currentProjectName = projectNameText.getText();
	IProject project = ResourcesPlugin.getWorkspace().getRoot().getProject(currentProjectName);
	IFile selectedScript = LuaDialogUtil.openSelectScriptFromProjectDialog(getShell(), project,
	DLTKLaunchConfigurationsMessages.mainTab_searchButton_title, DLTKLaunchConfigurationsMessages.mainTab_searchButton_message);
	if (selectedScript != null && !selectedScript.getName().equals(scriptNameText.getText())) {
	scriptNameText.setText(selectedScript.getProjectRelativePath().toPortableString());
	}
	}
	}