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