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