Replace deprecated org.eclipse.jface.text.rules.DefaultPartitioner with org.eclipse...
[phpeclipse.git] / net.sourceforge.phpeclipse.externaltools / src / net / sourceforge / phpdt / externaltools / launchConfigurations / ExternalToolsMainTab.java
index 7e823ba..f9a4f9f 100644 (file)
@@ -14,7 +14,6 @@ import net.sourceforge.phpdt.externaltools.internal.registry.ExternalToolVariabl
 import net.sourceforge.phpdt.externaltools.model.IExternalToolConstants;
 import net.sourceforge.phpdt.externaltools.model.ToolUtil;
 import net.sourceforge.phpdt.externaltools.variable.ExpandVariableContext;
-import net.sourceforge.phpeclipse.PHPeclipsePlugin;
 import net.sourceforge.phpeclipse.externaltools.ExternalToolsPlugin;
 
 import org.eclipse.core.resources.IResource;
@@ -55,545 +54,620 @@ import org.eclipse.ui.dialogs.SelectionDialog;
 
 public class ExternalToolsMainTab extends AbstractLaunchConfigurationTab {
 
-  protected Combo locationField;
-
-  protected Text workDirectoryField;
-
-  protected Button fileLocationButton;
-
-  protected Button workspaceLocationButton;
-
-  protected Button fileWorkingDirectoryButton;
-
-  protected Button workspaceWorkingDirectoryButton;
-
-  protected Button runBackgroundButton;
-
-  protected Text argumentField;
-
-  protected Button variableButton;
-
-  protected SelectionAdapter selectionAdapter;
-
-  protected ModifyListener modifyListener = new ModifyListener() {
-    public void modifyText(ModifyEvent e) {
-      updateLaunchConfigurationDialog();
-    }
-  };
-
-  /**
-   * @see org.eclipse.debug.ui.ILaunchConfigurationTab#createControl(org.eclipse.swt.widgets.Composite)
-   */
-  public void createControl(Composite parent) {
-    Composite mainComposite = new Composite(parent, SWT.NONE);
-    setControl(mainComposite);
-    GridLayout layout = new GridLayout();
-    layout.numColumns = 2;
-    GridData gridData = new GridData(GridData.FILL_HORIZONTAL);
-    mainComposite.setLayout(layout);
-    mainComposite.setLayoutData(gridData);
-    mainComposite.setFont(parent.getFont());
-    createLocationComponent(mainComposite);
-    createWorkDirectoryComponent(mainComposite);
-    createArgumentComponent(mainComposite);
-    createVerticalSpacer(mainComposite, 2);
-    createRunBackgroundComponent(mainComposite);
-  }
-
-  /**
-   * Creates the controls needed to edit the location attribute of an external tool
-   * 
-   * @param parent
-   *          the composite to create the controls in
-   */
-  protected void createLocationComponent(Composite parent) {
-    Font font = parent.getFont();
-
-    Composite composite = new Composite(parent, SWT.NONE);
-    GridLayout layout = new GridLayout();
-    layout.marginWidth = 0;
-    layout.marginHeight = 0;
-    layout.numColumns = 1;
-    GridData gridData = new GridData(GridData.FILL_HORIZONTAL);
-    composite.setLayout(layout);
-    composite.setLayoutData(gridData);
-
-    Label label = new Label(composite, SWT.NONE);
-    label.setText(ExternalToolsLaunchConfigurationMessages.getString("ExternalToolsMainTab.&Location___2")); //$NON-NLS-1$
-    label.setFont(font);
-
-    final IPreferenceStore store = PHPeclipsePlugin.getDefault().getPreferenceStore();
-    locationField = new Combo(composite, SWT.DROP_DOWN | SWT.BORDER);
-    GridData data = new GridData(GridData.FILL_HORIZONTAL);
-    data.widthHint = IDialogConstants.ENTRY_FIELD_WIDTH;
-    locationField.setLayoutData(data);
-    locationField.setFont(font);
-    locationField.add(store.getString(PHPeclipsePlugin.PHP_RUN_PREF), 0);
-    locationField.add(store.getString(PHPeclipsePlugin.APACHE_RUN_PREF), 1);
-    locationField.add(store.getString(PHPeclipsePlugin.MYSQL_RUN_PREF), 2);
-    locationField.add(store.getString(PHPeclipsePlugin.XAMPP_START_PREF), 3);
-    locationField.add(store.getString(PHPeclipsePlugin.XAMPP_STOP_PREF), 4);
-    Composite buttonComposite = new Composite(parent, SWT.NONE);
-    layout = new GridLayout();
-    layout.marginWidth = 0;
-    layout.marginHeight = 0;
-    layout.numColumns = 1;
-    gridData = new GridData(GridData.HORIZONTAL_ALIGN_END);
-    buttonComposite.setLayout(layout);
-    buttonComposite.setLayoutData(gridData);
-    buttonComposite.setFont(font);
-
-    createVerticalSpacer(buttonComposite, 1);
-
-    workspaceLocationButton = createPushButton(buttonComposite, ExternalToolsLaunchConfigurationMessages
-        .getString("ExternalToolsMainTab.&Browse_Workspace..._3"), null); //$NON-NLS-1$
-    workspaceLocationButton.addSelectionListener(new SelectionAdapter() {
-      public void widgetSelected(SelectionEvent evt) {
-        handleWorkspaceLocationButtonSelected();
-      }
-    });
-    fileLocationButton = createPushButton(buttonComposite, ExternalToolsLaunchConfigurationMessages
-        .getString("ExternalToolsMainTab.Brows&e_File_System..._4"), null); //$NON-NLS-1$
-    fileLocationButton.addSelectionListener(new SelectionAdapter() {
-      public void widgetSelected(SelectionEvent evt) {
-        handleLocationButtonSelected();
-      }
-    });
-  }
-
-  /**
-   * Creates the controls needed to edit the working directory attribute of an external tool
-   * 
-   * @param parent
-   *          the composite to create the controls in
-   */
-  protected void createWorkDirectoryComponent(Composite parent) {
-    Font font = parent.getFont();
-
-    Composite composite = new Composite(parent, SWT.NONE);
-    GridLayout layout = new GridLayout();
-    layout.marginWidth = 0;
-    layout.marginHeight = 0;
-    layout.numColumns = 1;
-    GridData gridData = new GridData(GridData.FILL_HORIZONTAL);
-    composite.setLayout(layout);
-    composite.setLayoutData(gridData);
-
-    Label label = new Label(composite, SWT.NONE);
-    label.setText(ExternalToolsLaunchConfigurationMessages.getString("ExternalToolsMainTab.Working_&Directory__5")); //$NON-NLS-1$
-    label.setFont(font);
-
-    workDirectoryField = new Text(composite, SWT.BORDER);
-    GridData data = new GridData(GridData.FILL_HORIZONTAL);
-    data.widthHint = IDialogConstants.ENTRY_FIELD_WIDTH;
-    workDirectoryField.setLayoutData(data);
-    workDirectoryField.setFont(font);
-
-    Composite buttonComposite = new Composite(parent, SWT.NONE);
-    layout = new GridLayout();
-    layout.marginWidth = 0;
-    layout.marginHeight = 0;
-    layout.numColumns = 1;
-    gridData = new GridData(GridData.HORIZONTAL_ALIGN_END);
-    buttonComposite.setLayout(layout);
-    buttonComposite.setLayoutData(gridData);
-    buttonComposite.setFont(font);
-
-    createVerticalSpacer(buttonComposite, 1);
-    workspaceWorkingDirectoryButton = createPushButton(buttonComposite, ExternalToolsLaunchConfigurationMessages
-        .getString("ExternalToolsMainTab.Browse_Wor&kspace..._6"), null); //$NON-NLS-1$
-    workspaceWorkingDirectoryButton.addSelectionListener(new SelectionAdapter() {
-      public void widgetSelected(SelectionEvent evt) {
-        handleWorkspaceWorkingDirectoryButtonSelected();
-      }
-    });
-    fileWorkingDirectoryButton = createPushButton(buttonComposite, ExternalToolsLaunchConfigurationMessages
-        .getString("ExternalToolsMainTab.Browse_F&ile_System..._7"), null); //$NON-NLS-1$
-    fileWorkingDirectoryButton.addSelectionListener(new SelectionAdapter() {
-      public void widgetSelected(SelectionEvent evt) {
-        handleFileWorkingDirectoryButtonSelected();
-      }
-    });
-  }
-
-  /**
-   * Creates the controls needed to edit the argument and prompt for argument attributes of an external tool
-   * 
-   * @param parent
-   *          the composite to create the controls in
-   */
-  protected void createArgumentComponent(Composite parent) {
-    Font font = parent.getFont();
-
-    Label label = new Label(parent, SWT.NONE);
-    label.setText(ExternalToolsLaunchConfigurationMessages.getString("ExternalToolsOptionTab.&Arguments___1")); //$NON-NLS-1$
-    GridData data = new GridData(GridData.HORIZONTAL_ALIGN_FILL);
-    data.horizontalSpan = 2;
-    label.setLayoutData(data);
-    label.setFont(font);
-
-    argumentField = new Text(parent, SWT.BORDER);
-    data = new GridData(GridData.FILL_HORIZONTAL);
-    data.widthHint = IDialogConstants.ENTRY_FIELD_WIDTH;
-    argumentField.setLayoutData(data);
-    argumentField.setFont(font);
-    argumentField.addModifyListener(new ModifyListener() {
-      public void modifyText(ModifyEvent e) {
-        updateLaunchConfigurationDialog();
-      }
-    });
-
-    variableButton = createPushButton(parent, ExternalToolsLaunchConfigurationMessages
-        .getString("ExternalToolsOptionTab.Varia&bles..._2"), null); //$NON-NLS-1$
-    variableButton.addSelectionListener(new SelectionAdapter() {
-      public void widgetSelected(SelectionEvent e) {
-        VariableSelectionDialog dialog = new VariableSelectionDialog(getShell());
-        if (dialog.open() == SelectionDialog.OK) {
-          argumentField.insert(dialog.getForm().getSelectedVariable());
-        }
-      }
-    });
-
-    Label instruction = new Label(parent, SWT.NONE);
-    instruction
-        .setText(ExternalToolsLaunchConfigurationMessages
-            .getString("ExternalToolsOptionTab.Note__Enclose_an_argument_containing_spaces_using_double-quotes_(__)._Not_applicable_for_variables._3")); //$NON-NLS-1$
-    data = new GridData(GridData.HORIZONTAL_ALIGN_FILL);
-    data.horizontalSpan = 2;
-    instruction.setLayoutData(data);
-    instruction.setFont(font);
-  }
-
-  /**
-   * Creates the controls needed to edit the run in background attribute of an external tool
-   * 
-   * @param parent
-   *          the composite to create the controls in
-   */
-  protected void createRunBackgroundComponent(Composite parent) {
-    runBackgroundButton = new Button(parent, SWT.CHECK);
-    runBackgroundButton.setText(ExternalToolsLaunchConfigurationMessages
-        .getString("ExternalToolsOptionTab.Run_tool_in_bac&kground_4")); //$NON-NLS-1$
-    GridData data = new GridData(GridData.HORIZONTAL_ALIGN_FILL);
-    runBackgroundButton.setLayoutData(data);
-    runBackgroundButton.setFont(parent.getFont());
-    runBackgroundButton.addSelectionListener(getSelectionAdapter());
-  }
-
-  /**
-   * @see org.eclipse.debug.ui.ILaunchConfigurationTab#setDefaults(org.eclipse.debug.core.ILaunchConfigurationWorkingCopy)
-   */
-  public void setDefaults(ILaunchConfigurationWorkingCopy configuration) {
-    configuration.setAttribute(IExternalToolConstants.ATTR_RUN_IN_BACKGROUND, false);
-  }
-
-  /**
-   * @see org.eclipse.debug.ui.ILaunchConfigurationTab#initializeFrom(org.eclipse.debug.core.ILaunchConfiguration)
-   */
-  public void initializeFrom(ILaunchConfiguration configuration) {
-    updateLocation(configuration);
-    updateWorkingDirectory(configuration);
-    updateArgument(configuration);
-    updateRunBackground(configuration);
-  }
-
-  protected void updateWorkingDirectory(ILaunchConfiguration configuration) {
-    String workingDir = ""; //$NON-NLS-1$
-    try {
-      workingDir = configuration.getAttribute(IExternalToolConstants.ATTR_WORKING_DIRECTORY, ""); //$NON-NLS-1$
-    } catch (CoreException ce) {
-      ExternalToolsPlugin.getDefault().log(
-          ExternalToolsLaunchConfigurationMessages.getString("ExternalToolsMainTab.Error_reading_configuration_10"), ce); //$NON-NLS-1$
-    }
-    workDirectoryField.setText(workingDir);
-    workDirectoryField.addModifyListener(modifyListener);
-
-  }
-
-  protected void updateLocation(ILaunchConfiguration configuration) {
-    String location = ""; //$NON-NLS-1$
-    try {
-      location = configuration.getAttribute(IExternalToolConstants.ATTR_LOCATION, ""); //$NON-NLS-1$
-    } catch (CoreException ce) {
-      ExternalToolsPlugin.getDefault().log(
-          ExternalToolsLaunchConfigurationMessages.getString("ExternalToolsMainTab.Error_reading_configuration_10"), ce); //$NON-NLS-1$
-    }
-    locationField.setText(location);
-    locationField.addModifyListener(modifyListener);
-  }
-
-  protected void updateArgument(ILaunchConfiguration configuration) {
-    String arguments = ""; //$NON-NLS-1$
-    try {
-      arguments = configuration.getAttribute(IExternalToolConstants.ATTR_TOOL_ARGUMENTS, ""); //$NON-NLS-1$
-    } catch (CoreException ce) {
-      ExternalToolsPlugin.getDefault().log(
-          ExternalToolsLaunchConfigurationMessages.getString("ExternalToolsOptionTab.Error_reading_configuration_7"), ce); //$NON-NLS-1$
-    }
-    argumentField.setText(arguments);
-  }
-
-  protected void updateRunBackground(ILaunchConfiguration configuration) {
-    boolean runInBackgroud = true;
-    try {
-      runInBackgroud = configuration.getAttribute(IExternalToolConstants.ATTR_RUN_IN_BACKGROUND, false);
-    } catch (CoreException ce) {
-      ExternalToolsPlugin.getDefault().log(
-          ExternalToolsLaunchConfigurationMessages.getString("ExternalToolsOptionTab.Error_reading_configuration_7"), ce); //$NON-NLS-1$
-    }
-    runBackgroundButton.setSelection(runInBackgroud);
-  }
-
-  /**
-   * @see org.eclipse.debug.ui.ILaunchConfigurationTab#performApply(org.eclipse.debug.core.ILaunchConfigurationWorkingCopy)
-   */
-  public void performApply(ILaunchConfigurationWorkingCopy configuration) {
-    String location = locationField.getText().trim();
-    if (location.length() == 0) {
-      configuration.setAttribute(IExternalToolConstants.ATTR_LOCATION, (String) null);
-    } else {
-      configuration.setAttribute(IExternalToolConstants.ATTR_LOCATION, location);
-    }
-
-    String workingDirectory = workDirectoryField.getText().trim();
-    if (workingDirectory.length() == 0) {
-      configuration.setAttribute(IExternalToolConstants.ATTR_WORKING_DIRECTORY, (String) null);
-    } else {
-      configuration.setAttribute(IExternalToolConstants.ATTR_WORKING_DIRECTORY, workingDirectory);
-    }
-
-    setAttribute(IExternalToolConstants.ATTR_RUN_IN_BACKGROUND, configuration, runBackgroundButton.getSelection(), false);
-
-    String arguments = argumentField.getText().trim();
-    if (arguments.length() == 0) {
-      configuration.setAttribute(IExternalToolConstants.ATTR_TOOL_ARGUMENTS, (String) null);
-    } else {
-      configuration.setAttribute(IExternalToolConstants.ATTR_TOOL_ARGUMENTS, arguments);
-    }
-  }
-
-  /**
-   * @see org.eclipse.debug.ui.ILaunchConfigurationTab#getName()
-   */
-  public String getName() {
-    return ExternalToolsLaunchConfigurationMessages.getString("ExternalToolsMainTab.&Main_17"); //$NON-NLS-1$
-  }
-
-  /**
-   * @see ILaunchConfigurationTab#isValid(org.eclipse.debug.core.ILaunchConfiguration)
-   */
-  public boolean isValid(ILaunchConfiguration launchConfig) {
-    setErrorMessage(null);
-    setMessage(null);
-    return validateLocation() && validateWorkDirectory();
-  }
-
-  /**
-   * Validates the content of the location field.
-   */
-  protected boolean validateLocation() {
-    String value = locationField.getText().trim();
-    if (value.length() < 1) {
-      setErrorMessage(ExternalToolsLaunchConfigurationMessages
-          .getString("ExternalToolsMainTab.External_tool_location_cannot_be_empty_18")); //$NON-NLS-1$
-      setMessage(null);
-      return false;
-    }
-
-    // Translate field contents to the actual file location so we
-    // can check to ensure the file actually exists.
-    MultiStatus multiStatus = new MultiStatus(IExternalToolConstants.PLUGIN_ID, 0, "", null); //$NON-NLS-1$
-    value = ToolUtil.expandFileLocation(value, ExpandVariableContext.EMPTY_CONTEXT, multiStatus);
-    if (!multiStatus.isOK()) {
-      IStatus[] children = multiStatus.getChildren();
-      if (children.length > 0) {
-        setErrorMessage(children[0].getMessage());
-        setMessage(null);
-      }
-      return false;
-    }
-
-    File file = new File(value);
-    if (!file.exists()) { // The file does not exist.
-      setErrorMessage(ExternalToolsLaunchConfigurationMessages
-          .getString("ExternalToolsMainTab.External_tool_location_does_not_exist_19")); //$NON-NLS-1$
-      return false;
-    }
-    if (!file.isFile()) {
-      setErrorMessage(ExternalToolsLaunchConfigurationMessages
-          .getString("ExternalToolsMainTab.External_tool_location_specified_is_not_a_file_20")); //$NON-NLS-1$
-      return false;
-    }
-    return true;
-  }
-
-  /**
-   * Validates the content of the working directory field.
-   */
-  protected boolean validateWorkDirectory() {
-
-    String value = workDirectoryField.getText().trim();
-    if (value.length() > 0) {
-      // Translate field contents to the actual directory location so we
-      // can check to ensure the directory actually exists.
-      MultiStatus multiStatus = new MultiStatus(IExternalToolConstants.PLUGIN_ID, 0, "", null); //$NON-NLS-1$
-      value = ToolUtil.expandDirectoryLocation(value, ExpandVariableContext.EMPTY_CONTEXT, multiStatus);
-      if (!multiStatus.isOK()) {
-        IStatus[] children = multiStatus.getChildren();
-        if (children.length > 0) {
-          setErrorMessage(children[0].getMessage());
-        }
-        return false;
-      }
-
-      File file = new File(value);
-      if (!file.exists()) { // The directory does not exist.
-        setErrorMessage(ExternalToolsLaunchConfigurationMessages
-            .getString("ExternalToolsMainTab.External_tool_working_directory_does_not_exist_or_is_invalid_21")); //$NON-NLS-1$
-        return false;
-      }
-    }
-    return true;
-  }
-
-  protected void handleLocationButtonSelected() {
-    FileDialog fileDialog = new FileDialog(getShell(), SWT.NONE);
-    fileDialog.setFileName(locationField.getText());
-    String text = fileDialog.open();
-    if (text != null) {
-      locationField.setText(text);
-    }
-  }
-
-  /**
-   * Prompts the user for a workspace location within the workspace and sets the location as a String containing the workspace_loc
-   * variable or <code>null</code> if no location was obtained from the user.
-   */
-  protected void handleWorkspaceLocationButtonSelected() {
-    ResourceSelectionDialog dialog;
-    dialog = new ResourceSelectionDialog(getShell(), ResourcesPlugin.getWorkspace().getRoot(),
-        ExternalToolsLaunchConfigurationMessages.getString("ExternalToolsMainTab.Select_a_resource_22")); //$NON-NLS-1$
-    dialog.open();
-    Object[] results = dialog.getResult();
-    if (results == null || results.length < 1) {
-      return;
-    }
-    IResource resource = (IResource) results[0];
-    StringBuffer buf = new StringBuffer();
-    ToolUtil.buildVariableTag(IExternalToolConstants.VAR_WORKSPACE_LOC, resource.getFullPath().toString(), buf);
-    String text = buf.toString();
-    if (text != null) {
-      locationField.setText(text);
-    }
-  }
-
-  /**
-   * Prompts the user for a working directory location within the workspace and sets the working directory as a String containing
-   * the workspace_loc variable or <code>null</code> if no location was obtained from the user.
-   */
-  protected void handleWorkspaceWorkingDirectoryButtonSelected() {
-    ContainerSelectionDialog containerDialog;
-    containerDialog = new ContainerSelectionDialog(getShell(), ResourcesPlugin.getWorkspace().getRoot(), false,
-        ExternalToolsLaunchConfigurationMessages.getString("ExternalToolsMainTab.&Select_a_directory__23")); //$NON-NLS-1$
-    containerDialog.open();
-    Object[] resource = containerDialog.getResult();
-    String text = null;
-    if (resource != null && resource.length > 0) {
-      text = ToolUtil.buildVariableTag(IExternalToolConstants.VAR_RESOURCE_LOC, ((IPath) resource[0]).toString());
-    }
-    if (text != null) {
-      workDirectoryField.setText(text);
-    }
-  }
-
-  protected void handleFileWorkingDirectoryButtonSelected() {
-    DirectoryDialog dialog = new DirectoryDialog(getShell(), SWT.SAVE);
-    dialog.setMessage(ExternalToolsLaunchConfigurationMessages.getString("ExternalToolsMainTab.&Select_a_directory__23")); //$NON-NLS-1$
-    dialog.setFilterPath(workDirectoryField.getText());
-    String text = dialog.open();
-    if (text != null) {
-      workDirectoryField.setText(text);
-    }
-  }
-
-  /**
-   * @see org.eclipse.debug.ui.ILaunchConfigurationTab#getImage()
-   */
-  public Image getImage() {
-    return ExternalToolsImages.getImage(IExternalToolConstants.IMG_TAB_MAIN);
-  }
-
-  /**
-   * Method getSelectionAdapter.
-   * 
-   * @return SelectionListener
-   */
-  protected SelectionListener getSelectionAdapter() {
-    if (selectionAdapter == null) {
-      selectionAdapter = new SelectionAdapter() {
-        public void widgetSelected(SelectionEvent e) {
-          updateLaunchConfigurationDialog();
-        }
-      };
-    }
-    return selectionAdapter;
-  }
-
-  private class VariableSelectionDialog extends SelectionDialog {
-    private ExternalToolVariableForm form;
-
-    private VariableSelectionDialog(Shell parent) {
-      super(parent);
-      setTitle(ExternalToolsLaunchConfigurationMessages.getString("ExternalToolsOptionTab.Select_variable_10")); //$NON-NLS-1$
-    }
-
-    protected Control createDialogArea(Composite parent) {
-      // Create the dialog area
-      Composite composite = (Composite) super.createDialogArea(parent);
-      ExternalToolVariable[] variables = ExternalToolsPlugin.getDefault().getArgumentVariableRegistry().getArgumentVariables();
-      form = new ExternalToolVariableForm(ExternalToolsLaunchConfigurationMessages
-          .getString("ExternalToolsOptionTab.&Choose_a_variable__11"), variables); //$NON-NLS-1$
-      form.createContents(composite, new IGroupDialogPage() {
-        public GridData setButtonGridData(Button button) {
-          GridData data = new GridData(GridData.HORIZONTAL_ALIGN_FILL);
-          data.heightHint = convertVerticalDLUsToPixels(IDialogConstants.BUTTON_HEIGHT);
-          int widthHint = convertHorizontalDLUsToPixels(IDialogConstants.BUTTON_WIDTH);
-          data.widthHint = Math.max(widthHint, button.computeSize(SWT.DEFAULT, SWT.DEFAULT, true).x);
-          button.setLayoutData(data);
-          return data;
-        }
-
-        public void setMessage(String newMessage, int newType) {
-          VariableSelectionDialog.this.setMessage(newMessage);
-        }
-
-        public void updateValidState() {
-        }
-
-        public int convertHeightHint(int chars) {
-          return convertHeightInCharsToPixels(chars);
-        }
-
-        public String getMessage() {
-          if (!form.isValid()) {
-            return ExternalToolsLaunchConfigurationMessages.getString("ExternalToolsOptionTab.Invalid_selection_12"); //$NON-NLS-1$
-          }
-          return null;
-        }
-
-        public int getMessageType() {
-          if (!form.isValid()) {
-            return IMessageProvider.ERROR;
-          }
-          return 0;
-        }
-      });
-      return composite;
-    }
-
-    private ExternalToolVariableForm getForm() {
-      return form;
-    }
-  }
+       protected Combo locationField;
+
+       protected Text workDirectoryField;
+
+       protected Button fileLocationButton;
+
+       protected Button workspaceLocationButton;
+
+       protected Button fileWorkingDirectoryButton;
+
+       protected Button workspaceWorkingDirectoryButton;
+
+       protected Button runBackgroundButton;
+
+       protected Text argumentField;
+
+       protected Button variableButton;
+
+       protected SelectionAdapter selectionAdapter;
+
+       protected ModifyListener modifyListener = new ModifyListener() {
+               public void modifyText(ModifyEvent e) {
+                       updateLaunchConfigurationDialog();
+               }
+       };
+
+       /**
+        * @see org.eclipse.debug.ui.ILaunchConfigurationTab#createControl(org.eclipse.swt.widgets.Composite)
+        */
+       public void createControl(Composite parent) {
+               Composite mainComposite = new Composite(parent, SWT.NONE);
+               setControl(mainComposite);
+               GridLayout layout = new GridLayout();
+               layout.numColumns = 2;
+               GridData gridData = new GridData(GridData.FILL_HORIZONTAL);
+               mainComposite.setLayout(layout);
+               mainComposite.setLayoutData(gridData);
+               mainComposite.setFont(parent.getFont());
+               createLocationComponent(mainComposite);
+               createWorkDirectoryComponent(mainComposite);
+               createArgumentComponent(mainComposite);
+               createVerticalSpacer(mainComposite, 2);
+               createRunBackgroundComponent(mainComposite);
+       }
+
+       /**
+        * Creates the controls needed to edit the location attribute of an external
+        * tool
+        * 
+        * @param parent
+        *            the composite to create the controls in
+        */
+       protected void createLocationComponent(Composite parent) {
+               Font font = parent.getFont();
+
+               Composite composite = new Composite(parent, SWT.NONE);
+               GridLayout layout = new GridLayout();
+               layout.marginWidth = 0;
+               layout.marginHeight = 0;
+               layout.numColumns = 1;
+               GridData gridData = new GridData(GridData.FILL_HORIZONTAL);
+               composite.setLayout(layout);
+               composite.setLayoutData(gridData);
+
+               Label label = new Label(composite, SWT.NONE);
+               label.setText(ExternalToolsLaunchConfigurationMessages
+                               .getString("ExternalToolsMainTab.&Location___2")); //$NON-NLS-1$
+               label.setFont(font);
+
+               final IPreferenceStore store = ExternalToolsPlugin.getDefault()
+                               .getPreferenceStore();
+               locationField = new Combo(composite, SWT.DROP_DOWN | SWT.BORDER);
+               GridData data = new GridData(GridData.FILL_HORIZONTAL);
+               data.widthHint = IDialogConstants.ENTRY_FIELD_WIDTH;
+               locationField.setLayoutData(data);
+               locationField.setFont(font);
+               locationField.add(store.getString(ExternalToolsPlugin.PHP_RUN_PREF), 0);
+               locationField.add(store.getString(ExternalToolsPlugin.APACHE_RUN_PREF),
+                               1);
+               locationField.add(store.getString(ExternalToolsPlugin.MYSQL_RUN_PREF),
+                               2);
+               locationField.add(
+                               store.getString(ExternalToolsPlugin.XAMPP_START_PREF), 3);
+               locationField.add(store.getString(ExternalToolsPlugin.XAMPP_STOP_PREF),
+                               4);
+               Composite buttonComposite = new Composite(parent, SWT.NONE);
+               layout = new GridLayout();
+               layout.marginWidth = 0;
+               layout.marginHeight = 0;
+               layout.numColumns = 1;
+               gridData = new GridData(GridData.HORIZONTAL_ALIGN_END);
+               buttonComposite.setLayout(layout);
+               buttonComposite.setLayoutData(gridData);
+               buttonComposite.setFont(font);
+
+               createVerticalSpacer(buttonComposite, 1);
+
+               workspaceLocationButton = createPushButton(
+                               buttonComposite,
+                               ExternalToolsLaunchConfigurationMessages
+                                               .getString("ExternalToolsMainTab.&Browse_Workspace..._3"), null); //$NON-NLS-1$
+               workspaceLocationButton.addSelectionListener(new SelectionAdapter() {
+                       public void widgetSelected(SelectionEvent evt) {
+                               handleWorkspaceLocationButtonSelected();
+                       }
+               });
+               fileLocationButton = createPushButton(
+                               buttonComposite,
+                               ExternalToolsLaunchConfigurationMessages
+                                               .getString("ExternalToolsMainTab.Brows&e_File_System..._4"), null); //$NON-NLS-1$
+               fileLocationButton.addSelectionListener(new SelectionAdapter() {
+                       public void widgetSelected(SelectionEvent evt) {
+                               handleLocationButtonSelected();
+                       }
+               });
+       }
+
+       /**
+        * Creates the controls needed to edit the working directory attribute of an
+        * external tool
+        * 
+        * @param parent
+        *            the composite to create the controls in
+        */
+       protected void createWorkDirectoryComponent(Composite parent) {
+               Font font = parent.getFont();
+
+               Composite composite = new Composite(parent, SWT.NONE);
+               GridLayout layout = new GridLayout();
+               layout.marginWidth = 0;
+               layout.marginHeight = 0;
+               layout.numColumns = 1;
+               GridData gridData = new GridData(GridData.FILL_HORIZONTAL);
+               composite.setLayout(layout);
+               composite.setLayoutData(gridData);
+
+               Label label = new Label(composite, SWT.NONE);
+               label.setText(ExternalToolsLaunchConfigurationMessages
+                               .getString("ExternalToolsMainTab.Working_&Directory__5")); //$NON-NLS-1$
+               label.setFont(font);
+
+               workDirectoryField = new Text(composite, SWT.BORDER);
+               GridData data = new GridData(GridData.FILL_HORIZONTAL);
+               data.widthHint = IDialogConstants.ENTRY_FIELD_WIDTH;
+               workDirectoryField.setLayoutData(data);
+               workDirectoryField.setFont(font);
+
+               Composite buttonComposite = new Composite(parent, SWT.NONE);
+               layout = new GridLayout();
+               layout.marginWidth = 0;
+               layout.marginHeight = 0;
+               layout.numColumns = 1;
+               gridData = new GridData(GridData.HORIZONTAL_ALIGN_END);
+               buttonComposite.setLayout(layout);
+               buttonComposite.setLayoutData(gridData);
+               buttonComposite.setFont(font);
+
+               createVerticalSpacer(buttonComposite, 1);
+               workspaceWorkingDirectoryButton = createPushButton(
+                               buttonComposite,
+                               ExternalToolsLaunchConfigurationMessages
+                                               .getString("ExternalToolsMainTab.Browse_Wor&kspace..._6"), null); //$NON-NLS-1$
+               workspaceWorkingDirectoryButton
+                               .addSelectionListener(new SelectionAdapter() {
+                                       public void widgetSelected(SelectionEvent evt) {
+                                               handleWorkspaceWorkingDirectoryButtonSelected();
+                                       }
+                               });
+               fileWorkingDirectoryButton = createPushButton(
+                               buttonComposite,
+                               ExternalToolsLaunchConfigurationMessages
+                                               .getString("ExternalToolsMainTab.Browse_F&ile_System..._7"), null); //$NON-NLS-1$
+               fileWorkingDirectoryButton.addSelectionListener(new SelectionAdapter() {
+                       public void widgetSelected(SelectionEvent evt) {
+                               handleFileWorkingDirectoryButtonSelected();
+                       }
+               });
+       }
+
+       /**
+        * Creates the controls needed to edit the argument and prompt for argument
+        * attributes of an external tool
+        * 
+        * @param parent
+        *            the composite to create the controls in
+        */
+       protected void createArgumentComponent(Composite parent) {
+               Font font = parent.getFont();
+
+               Label label = new Label(parent, SWT.NONE);
+               label.setText(ExternalToolsLaunchConfigurationMessages
+                               .getString("ExternalToolsOptionTab.&Arguments___1")); //$NON-NLS-1$
+               GridData data = new GridData(GridData.HORIZONTAL_ALIGN_FILL);
+               data.horizontalSpan = 2;
+               label.setLayoutData(data);
+               label.setFont(font);
+
+               argumentField = new Text(parent, SWT.BORDER);
+               data = new GridData(GridData.FILL_HORIZONTAL);
+               data.widthHint = IDialogConstants.ENTRY_FIELD_WIDTH;
+               argumentField.setLayoutData(data);
+               argumentField.setFont(font);
+               argumentField.addModifyListener(new ModifyListener() {
+                       public void modifyText(ModifyEvent e) {
+                               updateLaunchConfigurationDialog();
+                       }
+               });
+
+               variableButton = createPushButton(
+                               parent,
+                               ExternalToolsLaunchConfigurationMessages
+                                               .getString("ExternalToolsOptionTab.Varia&bles..._2"), null); //$NON-NLS-1$
+               variableButton.addSelectionListener(new SelectionAdapter() {
+                       public void widgetSelected(SelectionEvent e) {
+                               VariableSelectionDialog dialog = new VariableSelectionDialog(
+                                               getShell());
+                               if (dialog.open() == SelectionDialog.OK) {
+                                       argumentField
+                                                       .insert(dialog.getForm().getSelectedVariable());
+                               }
+                       }
+               });
+
+               Label instruction = new Label(parent, SWT.NONE);
+               instruction
+                               .setText(ExternalToolsLaunchConfigurationMessages
+                                               .getString("ExternalToolsOptionTab.Note__Enclose_an_argument_containing_spaces_using_double-quotes_(__)._Not_applicable_for_variables._3")); //$NON-NLS-1$
+               data = new GridData(GridData.HORIZONTAL_ALIGN_FILL);
+               data.horizontalSpan = 2;
+               instruction.setLayoutData(data);
+               instruction.setFont(font);
+       }
+
+       /**
+        * Creates the controls needed to edit the run in background attribute of an
+        * external tool
+        * 
+        * @param parent
+        *            the composite to create the controls in
+        */
+       protected void createRunBackgroundComponent(Composite parent) {
+               runBackgroundButton = new Button(parent, SWT.CHECK);
+               runBackgroundButton.setText(ExternalToolsLaunchConfigurationMessages
+                               .getString("ExternalToolsOptionTab.Run_tool_in_bac&kground_4")); //$NON-NLS-1$
+               GridData data = new GridData(GridData.HORIZONTAL_ALIGN_FILL);
+               runBackgroundButton.setLayoutData(data);
+               runBackgroundButton.setFont(parent.getFont());
+               runBackgroundButton.addSelectionListener(getSelectionAdapter());
+       }
+
+       /**
+        * @see org.eclipse.debug.ui.ILaunchConfigurationTab#setDefaults(org.eclipse.debug.core.ILaunchConfigurationWorkingCopy)
+        */
+       public void setDefaults(ILaunchConfigurationWorkingCopy configuration) {
+               configuration.setAttribute(
+                               IExternalToolConstants.ATTR_RUN_IN_BACKGROUND, false);
+       }
+
+       /**
+        * @see org.eclipse.debug.ui.ILaunchConfigurationTab#initializeFrom(org.eclipse.debug.core.ILaunchConfiguration)
+        */
+       public void initializeFrom(ILaunchConfiguration configuration) {
+               updateLocation(configuration);
+               updateWorkingDirectory(configuration);
+               updateArgument(configuration);
+               updateRunBackground(configuration);
+       }
+
+       protected void updateWorkingDirectory(ILaunchConfiguration configuration) {
+               String workingDir = ""; //$NON-NLS-1$
+               try {
+                       workingDir = configuration.getAttribute(
+                                       IExternalToolConstants.ATTR_WORKING_DIRECTORY, ""); //$NON-NLS-1$
+               } catch (CoreException ce) {
+                       ExternalToolsPlugin
+                                       .getDefault()
+                                       .log(
+                                                       ExternalToolsLaunchConfigurationMessages
+                                                                       .getString("ExternalToolsMainTab.Error_reading_configuration_10"), ce); //$NON-NLS-1$
+               }
+               workDirectoryField.setText(workingDir);
+               workDirectoryField.addModifyListener(modifyListener);
+
+       }
+
+       protected void updateLocation(ILaunchConfiguration configuration) {
+               String location = ""; //$NON-NLS-1$
+               try {
+                       location = configuration.getAttribute(
+                                       IExternalToolConstants.ATTR_LOCATION, ""); //$NON-NLS-1$
+               } catch (CoreException ce) {
+                       ExternalToolsPlugin
+                                       .getDefault()
+                                       .log(
+                                                       ExternalToolsLaunchConfigurationMessages
+                                                                       .getString("ExternalToolsMainTab.Error_reading_configuration_10"), ce); //$NON-NLS-1$
+               }
+               locationField.setText(location);
+               locationField.addModifyListener(modifyListener);
+       }
+
+       protected void updateArgument(ILaunchConfiguration configuration) {
+               String arguments = ""; //$NON-NLS-1$
+               try {
+                       arguments = configuration.getAttribute(
+                                       IExternalToolConstants.ATTR_TOOL_ARGUMENTS, ""); //$NON-NLS-1$
+               } catch (CoreException ce) {
+                       ExternalToolsPlugin
+                                       .getDefault()
+                                       .log(
+                                                       ExternalToolsLaunchConfigurationMessages
+                                                                       .getString("ExternalToolsOptionTab.Error_reading_configuration_7"), ce); //$NON-NLS-1$
+               }
+               argumentField.setText(arguments);
+       }
+
+       protected void updateRunBackground(ILaunchConfiguration configuration) {
+               boolean runInBackgroud = true;
+               try {
+                       runInBackgroud = configuration.getAttribute(
+                                       IExternalToolConstants.ATTR_RUN_IN_BACKGROUND, false);
+               } catch (CoreException ce) {
+                       ExternalToolsPlugin
+                                       .getDefault()
+                                       .log(
+                                                       ExternalToolsLaunchConfigurationMessages
+                                                                       .getString("ExternalToolsOptionTab.Error_reading_configuration_7"), ce); //$NON-NLS-1$
+               }
+               runBackgroundButton.setSelection(runInBackgroud);
+       }
+
+       /**
+        * @see org.eclipse.debug.ui.ILaunchConfigurationTab#performApply(org.eclipse.debug.core.ILaunchConfigurationWorkingCopy)
+        */
+       public void performApply(ILaunchConfigurationWorkingCopy configuration) {
+               String location = locationField.getText().trim();
+               if (location.length() == 0) {
+                       configuration.setAttribute(IExternalToolConstants.ATTR_LOCATION,
+                                       (String) null);
+               } else {
+                       configuration.setAttribute(IExternalToolConstants.ATTR_LOCATION,
+                                       location);
+               }
+
+               String workingDirectory = workDirectoryField.getText().trim();
+               if (workingDirectory.length() == 0) {
+                       configuration.setAttribute(
+                                       IExternalToolConstants.ATTR_WORKING_DIRECTORY,
+                                       (String) null);
+               } else {
+                       configuration.setAttribute(
+                                       IExternalToolConstants.ATTR_WORKING_DIRECTORY,
+                                       workingDirectory);
+               }
+
+               setAttribute(IExternalToolConstants.ATTR_RUN_IN_BACKGROUND,
+                               configuration, runBackgroundButton.getSelection(), false);
+
+               String arguments = argumentField.getText().trim();
+               if (arguments.length() == 0) {
+                       configuration.setAttribute(
+                                       IExternalToolConstants.ATTR_TOOL_ARGUMENTS, (String) null);
+               } else {
+                       configuration.setAttribute(
+                                       IExternalToolConstants.ATTR_TOOL_ARGUMENTS, arguments);
+               }
+       }
+
+       /**
+        * @see org.eclipse.debug.ui.ILaunchConfigurationTab#getName()
+        */
+       public String getName() {
+               return ExternalToolsLaunchConfigurationMessages
+                               .getString("ExternalToolsMainTab.&Main_17"); //$NON-NLS-1$
+       }
+
+       /**
+        * @see ILaunchConfigurationTab#isValid(org.eclipse.debug.core.ILaunchConfiguration)
+        */
+       public boolean isValid(ILaunchConfiguration launchConfig) {
+               setErrorMessage(null);
+               setMessage(null);
+               return validateLocation() && validateWorkDirectory();
+       }
+
+       /**
+        * Validates the content of the location field.
+        */
+       protected boolean validateLocation() {
+               String value = locationField.getText().trim();
+               if (value.length() < 1) {
+                       setErrorMessage(ExternalToolsLaunchConfigurationMessages
+                                       .getString("ExternalToolsMainTab.External_tool_location_cannot_be_empty_18")); //$NON-NLS-1$
+                       setMessage(null);
+                       return false;
+               }
+
+               // Translate field contents to the actual file location so we
+               // can check to ensure the file actually exists.
+               MultiStatus multiStatus = new MultiStatus(
+                               IExternalToolConstants.PLUGIN_ID, 0, "", null); //$NON-NLS-1$
+               value = ToolUtil.expandFileLocation(value,
+                               ExpandVariableContext.EMPTY_CONTEXT, multiStatus);
+               if (!multiStatus.isOK()) {
+                       IStatus[] children = multiStatus.getChildren();
+                       if (children.length > 0) {
+                               setErrorMessage(children[0].getMessage());
+                               setMessage(null);
+                       }
+                       return false;
+               }
+
+               File file = new File(value);
+               if (!file.exists()) { // The file does not exist.
+                       setErrorMessage(ExternalToolsLaunchConfigurationMessages
+                                       .getString("ExternalToolsMainTab.External_tool_location_does_not_exist_19")); //$NON-NLS-1$
+                       return false;
+               }
+               if (!file.isFile()) {
+                       setErrorMessage(ExternalToolsLaunchConfigurationMessages
+                                       .getString("ExternalToolsMainTab.External_tool_location_specified_is_not_a_file_20")); //$NON-NLS-1$
+                       return false;
+               }
+               return true;
+       }
+
+       /**
+        * Validates the content of the working directory field.
+        */
+       protected boolean validateWorkDirectory() {
+
+               String value = workDirectoryField.getText().trim();
+               if (value.length() > 0) {
+                       // Translate field contents to the actual directory location so we
+                       // can check to ensure the directory actually exists.
+                       MultiStatus multiStatus = new MultiStatus(
+                                       IExternalToolConstants.PLUGIN_ID, 0, "", null); //$NON-NLS-1$
+                       value = ToolUtil.expandDirectoryLocation(value,
+                                       ExpandVariableContext.EMPTY_CONTEXT, multiStatus);
+                       if (!multiStatus.isOK()) {
+                               IStatus[] children = multiStatus.getChildren();
+                               if (children.length > 0) {
+                                       setErrorMessage(children[0].getMessage());
+                               }
+                               return false;
+                       }
+
+                       File file = new File(value);
+                       if (!file.exists()) { // The directory does not exist.
+                               setErrorMessage(ExternalToolsLaunchConfigurationMessages
+                                               .getString("ExternalToolsMainTab.External_tool_working_directory_does_not_exist_or_is_invalid_21")); //$NON-NLS-1$
+                               return false;
+                       }
+               }
+               return true;
+       }
+
+       protected void handleLocationButtonSelected() {
+               FileDialog fileDialog = new FileDialog(getShell(), SWT.NONE);
+               fileDialog.setFileName(locationField.getText());
+               String text = fileDialog.open();
+               if (text != null) {
+                       locationField.setText(text);
+               }
+       }
+
+       /**
+        * Prompts the user for a workspace location within the workspace and sets
+        * the location as a String containing the workspace_loc variable or
+        * <code>null</code> if no location was obtained from the user.
+        */
+       protected void handleWorkspaceLocationButtonSelected() {
+               ResourceSelectionDialog dialog;
+               dialog = new ResourceSelectionDialog(getShell(), ResourcesPlugin
+                               .getWorkspace().getRoot(),
+                               ExternalToolsLaunchConfigurationMessages
+                                               .getString("ExternalToolsMainTab.Select_a_resource_22")); //$NON-NLS-1$
+               dialog.open();
+               Object[] results = dialog.getResult();
+               if (results == null || results.length < 1) {
+                       return;
+               }
+               IResource resource = (IResource) results[0];
+               StringBuffer buf = new StringBuffer();
+               ToolUtil.buildVariableTag(IExternalToolConstants.VAR_WORKSPACE_LOC,
+                               resource.getFullPath().toString(), buf);
+               String text = buf.toString();
+               if (text != null) {
+                       locationField.setText(text);
+               }
+       }
+
+       /**
+        * Prompts the user for a working directory location within the workspace
+        * and sets the working directory as a String containing the workspace_loc
+        * variable or <code>null</code> if no location was obtained from the
+        * user.
+        */
+       protected void handleWorkspaceWorkingDirectoryButtonSelected() {
+               ContainerSelectionDialog containerDialog;
+               containerDialog = new ContainerSelectionDialog(
+                               getShell(),
+                               ResourcesPlugin.getWorkspace().getRoot(),
+                               false,
+                               ExternalToolsLaunchConfigurationMessages
+                                               .getString("ExternalToolsMainTab.&Select_a_directory__23")); //$NON-NLS-1$
+               containerDialog.open();
+               Object[] resource = containerDialog.getResult();
+               String text = null;
+               if (resource != null && resource.length > 0) {
+                       text = ToolUtil.buildVariableTag(
+                                       IExternalToolConstants.VAR_RESOURCE_LOC,
+                                       ((IPath) resource[0]).toString());
+               }
+               if (text != null) {
+                       workDirectoryField.setText(text);
+               }
+       }
+
+       protected void handleFileWorkingDirectoryButtonSelected() {
+               DirectoryDialog dialog = new DirectoryDialog(getShell(), SWT.SAVE);
+               dialog.setMessage(ExternalToolsLaunchConfigurationMessages
+                               .getString("ExternalToolsMainTab.&Select_a_directory__23")); //$NON-NLS-1$
+               dialog.setFilterPath(workDirectoryField.getText());
+               String text = dialog.open();
+               if (text != null) {
+                       workDirectoryField.setText(text);
+               }
+       }
+
+       /**
+        * @see org.eclipse.debug.ui.ILaunchConfigurationTab#getImage()
+        */
+       public Image getImage() {
+               return ExternalToolsImages
+                               .getImage(IExternalToolConstants.IMG_TAB_MAIN);
+       }
+
+       /**
+        * Method getSelectionAdapter.
+        * 
+        * @return SelectionListener
+        */
+       protected SelectionListener getSelectionAdapter() {
+               if (selectionAdapter == null) {
+                       selectionAdapter = new SelectionAdapter() {
+                               public void widgetSelected(SelectionEvent e) {
+                                       updateLaunchConfigurationDialog();
+                               }
+                       };
+               }
+               return selectionAdapter;
+       }
+
+       private class VariableSelectionDialog extends SelectionDialog {
+               private ExternalToolVariableForm form;
+
+               private VariableSelectionDialog(Shell parent) {
+                       super(parent);
+                       setTitle(ExternalToolsLaunchConfigurationMessages
+                                       .getString("ExternalToolsOptionTab.Select_variable_10")); //$NON-NLS-1$
+               }
+
+               protected Control createDialogArea(Composite parent) {
+                       // Create the dialog area
+                       Composite composite = (Composite) super.createDialogArea(parent);
+                       ExternalToolVariable[] variables = ExternalToolsPlugin.getDefault()
+                                       .getArgumentVariableRegistry().getArgumentVariables();
+                       form = new ExternalToolVariableForm(
+                                       ExternalToolsLaunchConfigurationMessages
+                                                       .getString("ExternalToolsOptionTab.&Choose_a_variable__11"), variables); //$NON-NLS-1$
+                       form.createContents(composite, new IGroupDialogPage() {
+                               public GridData setButtonGridData(Button button) {
+                                       GridData data = new GridData(GridData.HORIZONTAL_ALIGN_FILL);
+                                       data.heightHint = convertVerticalDLUsToPixels(IDialogConstants.BUTTON_HEIGHT);
+                                       int widthHint = convertHorizontalDLUsToPixels(IDialogConstants.BUTTON_WIDTH);
+                                       data.widthHint = Math.max(widthHint, button.computeSize(
+                                                       SWT.DEFAULT, SWT.DEFAULT, true).x);
+                                       button.setLayoutData(data);
+                                       return data;
+                               }
+
+                               public void setMessage(String newMessage, int newType) {
+                                       VariableSelectionDialog.this.setMessage(newMessage);
+                               }
+
+                               public void updateValidState() {
+                               }
+
+                               public int convertHeightHint(int chars) {
+                                       return convertHeightInCharsToPixels(chars);
+                               }
+
+                               public String getMessage() {
+                                       if (!form.isValid()) {
+                                               return ExternalToolsLaunchConfigurationMessages
+                                                               .getString("ExternalToolsOptionTab.Invalid_selection_12"); //$NON-NLS-1$
+                                       }
+                                       return null;
+                               }
+
+                               public int getMessageType() {
+                                       if (!form.isValid()) {
+                                               return IMessageProvider.ERROR;
+                                       }
+                                       return 0;
+                               }
+                       });
+                       return composite;
+               }
+
+               private ExternalToolVariableForm getForm() {
+                       return form;
+               }
+       }
 
 }
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