net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/externaltools/launchConfigurations/ExternalToolsMainTab.java

   1 package net.sourceforge.phpdt.externaltools.launchConfigurations;
   2
   3 /***********************************************************************************************************************************
   4  * Copyright (c) 2000, 2002 IBM Corp. All rights reserved. This file is made available under the terms of the Common Public License
   5  * v1.0 which accompanies this distribution, and is available at http://www.eclipse.org/legal/cpl-v10.html
   6  **********************************************************************************************************************************/
   7
   8 import java.io.File;
   9
  10 import net.sourceforge.phpdt.externaltools.group.IGroupDialogPage;
  11 import net.sourceforge.phpdt.externaltools.internal.dialog.ExternalToolVariableForm;
  12 import net.sourceforge.phpdt.externaltools.internal.model.ExternalToolsImages;
  13 import net.sourceforge.phpdt.externaltools.internal.model.ExternalToolsPlugin;
  14 import net.sourceforge.phpdt.externaltools.internal.registry.ExternalToolVariable;
  15 import net.sourceforge.phpdt.externaltools.model.IExternalToolConstants;
  16 import net.sourceforge.phpdt.externaltools.model.ToolUtil;
  17 import net.sourceforge.phpdt.externaltools.variable.ExpandVariableContext;
  18 import net.sourceforge.phpeclipse.PHPeclipsePlugin;
  19
  20 import org.eclipse.core.resources.IResource;
  21 import org.eclipse.core.resources.ResourcesPlugin;
  22 import org.eclipse.core.runtime.CoreException;
  23 import org.eclipse.core.runtime.IPath;
  24 import org.eclipse.core.runtime.IStatus;
  25 import org.eclipse.core.runtime.MultiStatus;
  26 import org.eclipse.debug.core.ILaunchConfiguration;
  27 import org.eclipse.debug.core.ILaunchConfigurationWorkingCopy;
  28 import org.eclipse.debug.ui.AbstractLaunchConfigurationTab;
  29 import org.eclipse.debug.ui.ILaunchConfigurationTab;
  30 import org.eclipse.jface.dialogs.IDialogConstants;
  31 import org.eclipse.jface.dialogs.IMessageProvider;
  32 import org.eclipse.jface.preference.IPreferenceStore;
  33 import org.eclipse.swt.SWT;
  34 import org.eclipse.swt.events.ModifyEvent;
  35 import org.eclipse.swt.events.ModifyListener;
  36 import org.eclipse.swt.events.SelectionAdapter;
  37 import org.eclipse.swt.events.SelectionEvent;
  38 import org.eclipse.swt.events.SelectionListener;
  39 import org.eclipse.swt.graphics.Font;
  40 import org.eclipse.swt.graphics.Image;
  41 import org.eclipse.swt.layout.GridData;
  42 import org.eclipse.swt.layout.GridLayout;
  43 import org.eclipse.swt.widgets.Button;
  44 import org.eclipse.swt.widgets.Combo;
  45 import org.eclipse.swt.widgets.Composite;
  46 import org.eclipse.swt.widgets.Control;
  47 import org.eclipse.swt.widgets.DirectoryDialog;
  48 import org.eclipse.swt.widgets.FileDialog;
  49 import org.eclipse.swt.widgets.Label;
  50 import org.eclipse.swt.widgets.Shell;
  51 import org.eclipse.swt.widgets.Text;
  52 import org.eclipse.ui.dialogs.ContainerSelectionDialog;
  53 import org.eclipse.ui.dialogs.ResourceSelectionDialog;
  54 import org.eclipse.ui.dialogs.SelectionDialog;
  55
  56 public class ExternalToolsMainTab extends AbstractLaunchConfigurationTab {
  57
  58   protected Combo locationField;
  59
  60   protected Text workDirectoryField;
  61
  62   protected Button fileLocationButton;
  63
  64   protected Button workspaceLocationButton;
  65
  66   protected Button fileWorkingDirectoryButton;
  67
  68   protected Button workspaceWorkingDirectoryButton;
  69
  70   protected Button runBackgroundButton;
  71
  72   protected Text argumentField;
  73
  74   protected Button variableButton;
  75
  76   protected SelectionAdapter selectionAdapter;
  77
  78   protected ModifyListener modifyListener = new ModifyListener() {
  79     public void modifyText(ModifyEvent e) {
  80       updateLaunchConfigurationDialog();
  81     }
  82   };
  83
  84   /**
  85    * @see org.eclipse.debug.ui.ILaunchConfigurationTab#createControl(org.eclipse.swt.widgets.Composite)
  86    */
  87   public void createControl(Composite parent) {
  88     Composite mainComposite = new Composite(parent, SWT.NONE);
  89     setControl(mainComposite);
  90     GridLayout layout = new GridLayout();
  91     layout.numColumns = 2;
  92     GridData gridData = new GridData(GridData.FILL_HORIZONTAL);
  93     mainComposite.setLayout(layout);
  94     mainComposite.setLayoutData(gridData);
  95     mainComposite.setFont(parent.getFont());
  96     createLocationComponent(mainComposite);
  97     createWorkDirectoryComponent(mainComposite);
  98     createArgumentComponent(mainComposite);
  99     createVerticalSpacer(mainComposite, 2);
 100     createRunBackgroundComponent(mainComposite);
 101   }
 102
 103   /**
 104    * Creates the controls needed to edit the location attribute of an external tool
 105    *
 106    * @param parent
 107    *          the composite to create the controls in
 108    */
 109   protected void createLocationComponent(Composite parent) {
 110     Font font = parent.getFont();
 111
 112     Composite composite = new Composite(parent, SWT.NONE);
 113     GridLayout layout = new GridLayout();
 114     layout.marginWidth = 0;
 115     layout.marginHeight = 0;
 116     layout.numColumns = 1;
 117     GridData gridData = new GridData(GridData.FILL_HORIZONTAL);
 118     composite.setLayout(layout);
 119     composite.setLayoutData(gridData);
 120
 121     Label label = new Label(composite, SWT.NONE);
 122     label.setText(ExternalToolsLaunchConfigurationMessages.getString("ExternalToolsMainTab.&Location___2")); //$NON-NLS-1$
 123     label.setFont(font);
 124
 125     final IPreferenceStore store = PHPeclipsePlugin.getDefault().getPreferenceStore();
 126     locationField = new Combo(composite, SWT.DROP_DOWN | SWT.BORDER);
 127     GridData data = new GridData(GridData.FILL_HORIZONTAL);
 128     data.widthHint = IDialogConstants.ENTRY_FIELD_WIDTH;
 129     locationField.setLayoutData(data);
 130     locationField.setFont(font);
 131     locationField.add(store.getString(PHPeclipsePlugin.PHP_RUN_PREF), 0);
 132     locationField.add(store.getString(PHPeclipsePlugin.APACHE_RUN_PREF), 1);
 133     locationField.add(store.getString(PHPeclipsePlugin.MYSQL_RUN_PREF), 2);
 134     locationField.add(store.getString(PHPeclipsePlugin.XAMPP_START_PREF), 3);
 135     locationField.add(store.getString(PHPeclipsePlugin.XAMPP_STOP_PREF), 4);
 136     Composite buttonComposite = new Composite(parent, SWT.NONE);
 137     layout = new GridLayout();
 138     layout.marginWidth = 0;
 139     layout.marginHeight = 0;
 140     layout.numColumns = 1;
 141     gridData = new GridData(GridData.HORIZONTAL_ALIGN_END);
 142     buttonComposite.setLayout(layout);
 143     buttonComposite.setLayoutData(gridData);
 144     buttonComposite.setFont(font);
 145
 146     createVerticalSpacer(buttonComposite, 1);
 147
 148     workspaceLocationButton = createPushButton(buttonComposite, ExternalToolsLaunchConfigurationMessages
 149         .getString("ExternalToolsMainTab.&Browse_Workspace..._3"), null); //$NON-NLS-1$
 150     workspaceLocationButton.addSelectionListener(new SelectionAdapter() {
 151       public void widgetSelected(SelectionEvent evt) {
 152         handleWorkspaceLocationButtonSelected();
 153       }
 154     });
 155     fileLocationButton = createPushButton(buttonComposite, ExternalToolsLaunchConfigurationMessages
 156         .getString("ExternalToolsMainTab.Brows&e_File_System..._4"), null); //$NON-NLS-1$
 157     fileLocationButton.addSelectionListener(new SelectionAdapter() {
 158       public void widgetSelected(SelectionEvent evt) {
 159         handleLocationButtonSelected();
 160       }
 161     });
 162   }
 163
 164   /**
 165    * Creates the controls needed to edit the working directory attribute of an external tool
 166    *
 167    * @param parent
 168    *          the composite to create the controls in
 169    */
 170   protected void createWorkDirectoryComponent(Composite parent) {
 171     Font font = parent.getFont();
 172
 173     Composite composite = new Composite(parent, SWT.NONE);
 174     GridLayout layout = new GridLayout();
 175     layout.marginWidth = 0;
 176     layout.marginHeight = 0;
 177     layout.numColumns = 1;
 178     GridData gridData = new GridData(GridData.FILL_HORIZONTAL);
 179     composite.setLayout(layout);
 180     composite.setLayoutData(gridData);
 181
 182     Label label = new Label(composite, SWT.NONE);
 183     label.setText(ExternalToolsLaunchConfigurationMessages.getString("ExternalToolsMainTab.Working_&Directory__5")); //$NON-NLS-1$
 184     label.setFont(font);
 185
 186     workDirectoryField = new Text(composite, SWT.BORDER);
 187     GridData data = new GridData(GridData.FILL_HORIZONTAL);
 188     data.widthHint = IDialogConstants.ENTRY_FIELD_WIDTH;
 189     workDirectoryField.setLayoutData(data);
 190     workDirectoryField.setFont(font);
 191
 192     Composite buttonComposite = new Composite(parent, SWT.NONE);
 193     layout = new GridLayout();
 194     layout.marginWidth = 0;
 195     layout.marginHeight = 0;
 196     layout.numColumns = 1;
 197     gridData = new GridData(GridData.HORIZONTAL_ALIGN_END);
 198     buttonComposite.setLayout(layout);
 199     buttonComposite.setLayoutData(gridData);
 200     buttonComposite.setFont(font);
 201
 202     createVerticalSpacer(buttonComposite, 1);
 203     workspaceWorkingDirectoryButton = createPushButton(buttonComposite, ExternalToolsLaunchConfigurationMessages
 204         .getString("ExternalToolsMainTab.Browse_Wor&kspace..._6"), null); //$NON-NLS-1$
 205     workspaceWorkingDirectoryButton.addSelectionListener(new SelectionAdapter() {
 206       public void widgetSelected(SelectionEvent evt) {
 207         handleWorkspaceWorkingDirectoryButtonSelected();
 208       }
 209     });
 210     fileWorkingDirectoryButton = createPushButton(buttonComposite, ExternalToolsLaunchConfigurationMessages
 211         .getString("ExternalToolsMainTab.Browse_F&ile_System..._7"), null); //$NON-NLS-1$
 212     fileWorkingDirectoryButton.addSelectionListener(new SelectionAdapter() {
 213       public void widgetSelected(SelectionEvent evt) {
 214         handleFileWorkingDirectoryButtonSelected();
 215       }
 216     });
 217   }
 218
 219   /**
 220    * Creates the controls needed to edit the argument and prompt for argument attributes of an external tool
 221    *
 222    * @param parent
 223    *          the composite to create the controls in
 224    */
 225   protected void createArgumentComponent(Composite parent) {
 226     Font font = parent.getFont();
 227
 228     Label label = new Label(parent, SWT.NONE);
 229     label.setText(ExternalToolsLaunchConfigurationMessages.getString("ExternalToolsOptionTab.&Arguments___1")); //$NON-NLS-1$
 230     GridData data = new GridData(GridData.HORIZONTAL_ALIGN_FILL);
 231     data.horizontalSpan = 2;
 232     label.setLayoutData(data);
 233     label.setFont(font);
 234
 235     argumentField = new Text(parent, SWT.BORDER);
 236     data = new GridData(GridData.FILL_HORIZONTAL);
 237     data.widthHint = IDialogConstants.ENTRY_FIELD_WIDTH;
 238     argumentField.setLayoutData(data);
 239     argumentField.setFont(font);
 240     argumentField.addModifyListener(new ModifyListener() {
 241       public void modifyText(ModifyEvent e) {
 242         updateLaunchConfigurationDialog();
 243       }
 244     });
 245
 246     variableButton = createPushButton(parent, ExternalToolsLaunchConfigurationMessages
 247         .getString("ExternalToolsOptionTab.Varia&bles..._2"), null); //$NON-NLS-1$
 248     variableButton.addSelectionListener(new SelectionAdapter() {
 249       public void widgetSelected(SelectionEvent e) {
 250         VariableSelectionDialog dialog = new VariableSelectionDialog(getShell());
 251         if (dialog.open() == SelectionDialog.OK) {
 252           argumentField.insert(dialog.getForm().getSelectedVariable());
 253         }
 254       }
 255     });
 256
 257     Label instruction = new Label(parent, SWT.NONE);
 258     instruction
 259         .setText(ExternalToolsLaunchConfigurationMessages
 260             .getString("ExternalToolsOptionTab.Note__Enclose_an_argument_containing_spaces_using_double-quotes_(__)._Not_applicable_for_variables._3")); //$NON-NLS-1$
 261     data = new GridData(GridData.HORIZONTAL_ALIGN_FILL);
 262     data.horizontalSpan = 2;
 263     instruction.setLayoutData(data);
 264     instruction.setFont(font);
 265   }
 266
 267   /**
 268    * Creates the controls needed to edit the run in background attribute of an external tool
 269    *
 270    * @param parent
 271    *          the composite to create the controls in
 272    */
 273   protected void createRunBackgroundComponent(Composite parent) {
 274     runBackgroundButton = new Button(parent, SWT.CHECK);
 275     runBackgroundButton.setText(ExternalToolsLaunchConfigurationMessages
 276         .getString("ExternalToolsOptionTab.Run_tool_in_bac&kground_4")); //$NON-NLS-1$
 277     GridData data = new GridData(GridData.HORIZONTAL_ALIGN_FILL);
 278     runBackgroundButton.setLayoutData(data);
 279     runBackgroundButton.setFont(parent.getFont());
 280     runBackgroundButton.addSelectionListener(getSelectionAdapter());
 281   }
 282
 283   /**
 284    * @see org.eclipse.debug.ui.ILaunchConfigurationTab#setDefaults(org.eclipse.debug.core.ILaunchConfigurationWorkingCopy)
 285    */
 286   public void setDefaults(ILaunchConfigurationWorkingCopy configuration) {
 287     configuration.setAttribute(IExternalToolConstants.ATTR_RUN_IN_BACKGROUND, false);
 288   }
 289
 290   /**
 291    * @see org.eclipse.debug.ui.ILaunchConfigurationTab#initializeFrom(org.eclipse.debug.core.ILaunchConfiguration)
 292    */
 293   public void initializeFrom(ILaunchConfiguration configuration) {
 294     updateLocation(configuration);
 295     updateWorkingDirectory(configuration);
 296     updateArgument(configuration);
 297     updateRunBackground(configuration);
 298   }
 299
 300   protected void updateWorkingDirectory(ILaunchConfiguration configuration) {
 301     String workingDir = ""; //$NON-NLS-1$
 302     try {
 303       workingDir = configuration.getAttribute(IExternalToolConstants.ATTR_WORKING_DIRECTORY, ""); //$NON-NLS-1$
 304     } catch (CoreException ce) {
 305       ExternalToolsPlugin.getDefault().log(
 306           ExternalToolsLaunchConfigurationMessages.getString("ExternalToolsMainTab.Error_reading_configuration_10"), ce); //$NON-NLS-1$
 307     }
 308     workDirectoryField.setText(workingDir);
 309     workDirectoryField.addModifyListener(modifyListener);
 310
 311   }
 312
 313   protected void updateLocation(ILaunchConfiguration configuration) {
 314     String location = ""; //$NON-NLS-1$
 315     try {
 316       location = configuration.getAttribute(IExternalToolConstants.ATTR_LOCATION, ""); //$NON-NLS-1$
 317     } catch (CoreException ce) {
 318       ExternalToolsPlugin.getDefault().log(
 319           ExternalToolsLaunchConfigurationMessages.getString("ExternalToolsMainTab.Error_reading_configuration_10"), ce); //$NON-NLS-1$
 320     }
 321     locationField.setText(location);
 322     locationField.addModifyListener(modifyListener);
 323   }
 324
 325   protected void updateArgument(ILaunchConfiguration configuration) {
 326     String arguments = ""; //$NON-NLS-1$
 327     try {
 328       arguments = configuration.getAttribute(IExternalToolConstants.ATTR_TOOL_ARGUMENTS, ""); //$NON-NLS-1$
 329     } catch (CoreException ce) {
 330       ExternalToolsPlugin.getDefault().log(
 331           ExternalToolsLaunchConfigurationMessages.getString("ExternalToolsOptionTab.Error_reading_configuration_7"), ce); //$NON-NLS-1$
 332     }
 333     argumentField.setText(arguments);
 334   }
 335
 336   protected void updateRunBackground(ILaunchConfiguration configuration) {
 337     boolean runInBackgroud = true;
 338     try {
 339       runInBackgroud = configuration.getAttribute(IExternalToolConstants.ATTR_RUN_IN_BACKGROUND, false);
 340     } catch (CoreException ce) {
 341       ExternalToolsPlugin.getDefault().log(
 342           ExternalToolsLaunchConfigurationMessages.getString("ExternalToolsOptionTab.Error_reading_configuration_7"), ce); //$NON-NLS-1$
 343     }
 344     runBackgroundButton.setSelection(runInBackgroud);
 345   }
 346
 347   /**
 348    * @see org.eclipse.debug.ui.ILaunchConfigurationTab#performApply(org.eclipse.debug.core.ILaunchConfigurationWorkingCopy)
 349    */
 350   public void performApply(ILaunchConfigurationWorkingCopy configuration) {
 351     String location = locationField.getText().trim();
 352     if (location.length() == 0) {
 353       configuration.setAttribute(IExternalToolConstants.ATTR_LOCATION, (String) null);
 354     } else {
 355       configuration.setAttribute(IExternalToolConstants.ATTR_LOCATION, location);
 356     }
 357
 358     String workingDirectory = workDirectoryField.getText().trim();
 359     if (workingDirectory.length() == 0) {
 360       configuration.setAttribute(IExternalToolConstants.ATTR_WORKING_DIRECTORY, (String) null);
 361     } else {
 362       configuration.setAttribute(IExternalToolConstants.ATTR_WORKING_DIRECTORY, workingDirectory);
 363     }
 364
 365     setAttribute(IExternalToolConstants.ATTR_RUN_IN_BACKGROUND, configuration, runBackgroundButton.getSelection(), false);
 366
 367     String arguments = argumentField.getText().trim();
 368     if (arguments.length() == 0) {
 369       configuration.setAttribute(IExternalToolConstants.ATTR_TOOL_ARGUMENTS, (String) null);
 370     } else {
 371       configuration.setAttribute(IExternalToolConstants.ATTR_TOOL_ARGUMENTS, arguments);
 372     }
 373   }
 374
 375   /**
 376    * @see org.eclipse.debug.ui.ILaunchConfigurationTab#getName()
 377    */
 378   public String getName() {
 379     return ExternalToolsLaunchConfigurationMessages.getString("ExternalToolsMainTab.&Main_17"); //$NON-NLS-1$
 380   }
 381
 382   /**
 383    * @see ILaunchConfigurationTab#isValid(org.eclipse.debug.core.ILaunchConfiguration)
 384    */
 385   public boolean isValid(ILaunchConfiguration launchConfig) {
 386     setErrorMessage(null);
 387     setMessage(null);
 388     return validateLocation() && validateWorkDirectory();
 389   }
 390
 391   /**
 392    * Validates the content of the location field.
 393    */
 394   protected boolean validateLocation() {
 395     String value = locationField.getText().trim();
 396     if (value.length() < 1) {
 397       setErrorMessage(ExternalToolsLaunchConfigurationMessages
 398           .getString("ExternalToolsMainTab.External_tool_location_cannot_be_empty_18")); //$NON-NLS-1$
 399       setMessage(null);
 400       return false;
 401     }
 402
 403     // Translate field contents to the actual file location so we
 404     // can check to ensure the file actually exists.
 405     MultiStatus multiStatus = new MultiStatus(IExternalToolConstants.PLUGIN_ID, 0, "", null); //$NON-NLS-1$
 406     value = ToolUtil.expandFileLocation(value, ExpandVariableContext.EMPTY_CONTEXT, multiStatus);
 407     if (!multiStatus.isOK()) {
 408       IStatus[] children = multiStatus.getChildren();
 409       if (children.length > 0) {
 410         setErrorMessage(children[0].getMessage());
 411         setMessage(null);
 412       }
 413       return false;
 414     }
 415
 416     File file = new File(value);
 417     if (!file.exists()) { // The file does not exist.
 418       setErrorMessage(ExternalToolsLaunchConfigurationMessages
 419           .getString("ExternalToolsMainTab.External_tool_location_does_not_exist_19")); //$NON-NLS-1$
 420       return false;
 421     }
 422     if (!file.isFile()) {
 423       setErrorMessage(ExternalToolsLaunchConfigurationMessages
 424           .getString("ExternalToolsMainTab.External_tool_location_specified_is_not_a_file_20")); //$NON-NLS-1$
 425       return false;
 426     }
 427     return true;
 428   }
 429
 430   /**
 431    * Validates the content of the working directory field.
 432    */
 433   protected boolean validateWorkDirectory() {
 434
 435     String value = workDirectoryField.getText().trim();
 436     if (value.length() > 0) {
 437       // Translate field contents to the actual directory location so we
 438       // can check to ensure the directory actually exists.
 439       MultiStatus multiStatus = new MultiStatus(IExternalToolConstants.PLUGIN_ID, 0, "", null); //$NON-NLS-1$
 440       value = ToolUtil.expandDirectoryLocation(value, ExpandVariableContext.EMPTY_CONTEXT, multiStatus);
 441       if (!multiStatus.isOK()) {
 442         IStatus[] children = multiStatus.getChildren();
 443         if (children.length > 0) {
 444           setErrorMessage(children[0].getMessage());
 445         }
 446         return false;
 447       }
 448
 449       File file = new File(value);
 450       if (!file.exists()) { // The directory does not exist.
 451         setErrorMessage(ExternalToolsLaunchConfigurationMessages
 452             .getString("ExternalToolsMainTab.External_tool_working_directory_does_not_exist_or_is_invalid_21")); //$NON-NLS-1$
 453         return false;
 454       }
 455     }
 456     return true;
 457   }
 458
 459   protected void handleLocationButtonSelected() {
 460     FileDialog fileDialog = new FileDialog(getShell(), SWT.NONE);
 461     fileDialog.setFileName(locationField.getText());
 462     String text = fileDialog.open();
 463     if (text != null) {
 464       locationField.setText(text);
 465     }
 466   }
 467
 468   /**
 469    * Prompts the user for a workspace location within the workspace and sets the location as a String containing the workspace_loc
 470    * variable or <code>null</code> if no location was obtained from the user.
 471    */
 472   protected void handleWorkspaceLocationButtonSelected() {
 473     ResourceSelectionDialog dialog;
 474     dialog = new ResourceSelectionDialog(getShell(), ResourcesPlugin.getWorkspace().getRoot(),
 475         ExternalToolsLaunchConfigurationMessages.getString("ExternalToolsMainTab.Select_a_resource_22")); //$NON-NLS-1$
 476     dialog.open();
 477     Object[] results = dialog.getResult();
 478     if (results == null || results.length < 1) {
 479       return;
 480     }
 481     IResource resource = (IResource) results[0];
 482     StringBuffer buf = new StringBuffer();
 483     ToolUtil.buildVariableTag(IExternalToolConstants.VAR_WORKSPACE_LOC, resource.getFullPath().toString(), buf);
 484     String text = buf.toString();
 485     if (text != null) {
 486       locationField.setText(text);
 487     }
 488   }
 489
 490   /**
 491    * Prompts the user for a working directory location within the workspace and sets the working directory as a String containing
 492    * the workspace_loc variable or <code>null</code> if no location was obtained from the user.
 493    */
 494   protected void handleWorkspaceWorkingDirectoryButtonSelected() {
 495     ContainerSelectionDialog containerDialog;
 496     containerDialog = new ContainerSelectionDialog(getShell(), ResourcesPlugin.getWorkspace().getRoot(), false,
 497         ExternalToolsLaunchConfigurationMessages.getString("ExternalToolsMainTab.&Select_a_directory__23")); //$NON-NLS-1$
 498     containerDialog.open();
 499     Object[] resource = containerDialog.getResult();
 500     String text = null;
 501     if (resource != null && resource.length > 0) {
 502       text = ToolUtil.buildVariableTag(IExternalToolConstants.VAR_RESOURCE_LOC, ((IPath) resource[0]).toString());
 503     }
 504     if (text != null) {
 505       workDirectoryField.setText(text);
 506     }
 507   }
 508
 509   protected void handleFileWorkingDirectoryButtonSelected() {
 510     DirectoryDialog dialog = new DirectoryDialog(getShell(), SWT.SAVE);
 511     dialog.setMessage(ExternalToolsLaunchConfigurationMessages.getString("ExternalToolsMainTab.&Select_a_directory__23")); //$NON-NLS-1$
 512     dialog.setFilterPath(workDirectoryField.getText());
 513     String text = dialog.open();
 514     if (text != null) {
 515       workDirectoryField.setText(text);
 516     }
 517   }
 518
 519   /**
 520    * @see org.eclipse.debug.ui.ILaunchConfigurationTab#getImage()
 521    */
 522   public Image getImage() {
 523     return ExternalToolsImages.getImage(IExternalToolConstants.IMG_TAB_MAIN);
 524   }
 525
 526   /**
 527    * Method getSelectionAdapter.
 528    *
 529    * @return SelectionListener
 530    */
 531   protected SelectionListener getSelectionAdapter() {
 532     if (selectionAdapter == null) {
 533       selectionAdapter = new SelectionAdapter() {
 534         public void widgetSelected(SelectionEvent e) {
 535           updateLaunchConfigurationDialog();
 536         }
 537       };
 538     }
 539     return selectionAdapter;
 540   }
 541
 542   private class VariableSelectionDialog extends SelectionDialog {
 543     private ExternalToolVariableForm form;
 544
 545     private VariableSelectionDialog(Shell parent) {
 546       super(parent);
 547       setTitle(ExternalToolsLaunchConfigurationMessages.getString("ExternalToolsOptionTab.Select_variable_10")); //$NON-NLS-1$
 548     }
 549
 550     protected Control createDialogArea(Composite parent) {
 551       // Create the dialog area
 552       Composite composite = (Composite) super.createDialogArea(parent);
 553       ExternalToolVariable[] variables = ExternalToolsPlugin.getDefault().getArgumentVariableRegistry().getArgumentVariables();
 554       form = new ExternalToolVariableForm(ExternalToolsLaunchConfigurationMessages
 555           .getString("ExternalToolsOptionTab.&Choose_a_variable__11"), variables); //$NON-NLS-1$
 556       form.createContents(composite, new IGroupDialogPage() {
 557         public GridData setButtonGridData(Button button) {
 558           GridData data = new GridData(GridData.HORIZONTAL_ALIGN_FILL);
 559           data.heightHint = convertVerticalDLUsToPixels(IDialogConstants.BUTTON_HEIGHT);
 560           int widthHint = convertHorizontalDLUsToPixels(IDialogConstants.BUTTON_WIDTH);
 561           data.widthHint = Math.max(widthHint, button.computeSize(SWT.DEFAULT, SWT.DEFAULT, true).x);
 562           button.setLayoutData(data);
 563           return data;
 564         }
 565
 566         public void setMessage(String newMessage, int newType) {
 567           VariableSelectionDialog.this.setMessage(newMessage);
 568         }
 569
 570         public void updateValidState() {
 571         }
 572
 573         public int convertHeightHint(int chars) {
 574           return convertHeightInCharsToPixels(chars);
 575         }
 576
 577         public String getMessage() {
 578           if (!form.isValid()) {
 579             return ExternalToolsLaunchConfigurationMessages.getString("ExternalToolsOptionTab.Invalid_selection_12"); //$NON-NLS-1$
 580           }
 581           return null;
 582         }
 583
 584         public int getMessageType() {
 585           if (!form.isValid()) {
 586             return IMessageProvider.ERROR;
 587           }
 588           return 0;
 589         }
 590       });
 591       return composite;
 592     }
 593
 594     private ExternalToolVariableForm getForm() {
 595       return form;
 596     }
 597   }
 598
 599 }