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   1 /*
   2  * Created on 14.07.2004
   3  *
   4  * TODO To change the template for this generated file go to
   5  * Window - Preferences - Java - Code Style - Code Templates
   6  */
   7 package net.sourceforge.phpdt.internal.debug.ui.launcher;
   8
   9 import java.text.MessageFormat;
  10 import java.util.Comparator;
  11 import java.util.HashMap;
  12 import java.util.Iterator;
  13 import java.util.Map;
  14 import java.util.TreeMap;
  15
  16 import net.sourceforge.phpdt.internal.debug.ui.PHPDebugUiMessages;
  17
  18 import org.eclipse.core.runtime.CoreException;
  19 import org.eclipse.core.runtime.IStatus;
  20 import org.eclipse.core.runtime.Status;
  21 import org.eclipse.debug.core.DebugPlugin;
  22 import org.eclipse.debug.core.ILaunchConfiguration;
  23 import org.eclipse.debug.core.ILaunchConfigurationWorkingCopy;
  24 import org.eclipse.debug.core.ILaunchManager;
  25 import org.eclipse.debug.internal.ui.DebugPluginImages;
  26 import org.eclipse.debug.internal.ui.DebugUIPlugin;
  27 import org.eclipse.debug.internal.ui.IDebugHelpContextIds;
  28 import org.eclipse.debug.internal.ui.MultipleInputDialog;
  29 import org.eclipse.debug.internal.ui.launchConfigurations.EnvironmentVariable;
  30 import org.eclipse.debug.internal.ui.launchConfigurations.LaunchConfigurationsMessages;
  31 import org.eclipse.debug.ui.AbstractLaunchConfigurationTab;
  32 import org.eclipse.debug.ui.IDebugUIConstants;
  33 import org.eclipse.jface.dialogs.Dialog;
  34 import org.eclipse.jface.dialogs.IDialogSettings;
  35 import org.eclipse.jface.dialogs.MessageDialog;
  36 import org.eclipse.jface.viewers.ColumnLayoutData;
  37 import org.eclipse.jface.viewers.ColumnWeightData;
  38 import org.eclipse.jface.viewers.DoubleClickEvent;
  39 import org.eclipse.jface.viewers.IDoubleClickListener;
  40 import org.eclipse.jface.viewers.ILabelProvider;
  41 import org.eclipse.jface.viewers.ILabelProviderListener;
  42 import org.eclipse.jface.viewers.ISelectionChangedListener;
  43 import org.eclipse.jface.viewers.IStructuredContentProvider;
  44 import org.eclipse.jface.viewers.IStructuredSelection;
  45 import org.eclipse.jface.viewers.ITableLabelProvider;
  46 import org.eclipse.jface.viewers.LabelProvider;
  47 import org.eclipse.jface.viewers.SelectionChangedEvent;
  48 import org.eclipse.jface.viewers.TableLayout;
  49 import org.eclipse.jface.viewers.TableViewer;
  50 import org.eclipse.jface.viewers.Viewer;
  51 import org.eclipse.jface.viewers.ViewerSorter;
  52 import org.eclipse.jface.window.Window;
  53 import org.eclipse.swt.SWT;
  54 import org.eclipse.swt.events.SelectionAdapter;
  55 import org.eclipse.swt.events.SelectionEvent;
  56 import org.eclipse.swt.graphics.Font;
  57 import org.eclipse.swt.graphics.Image;
  58 import org.eclipse.swt.graphics.Point;
  59 import org.eclipse.swt.layout.GridData;
  60 import org.eclipse.swt.layout.GridLayout;
  61 import org.eclipse.swt.widgets.Button;
  62 import org.eclipse.swt.widgets.Composite;
  63 import org.eclipse.swt.widgets.Label;
  64 import org.eclipse.swt.widgets.Shell;
  65 import org.eclipse.swt.widgets.Table;
  66 import org.eclipse.swt.widgets.TableColumn;
  67 import org.eclipse.swt.widgets.TableItem;
  68 import org.eclipse.ui.PlatformUI;
  69 import org.eclipse.ui.dialogs.ListSelectionDialog;
  70
  71 /**
  72  * @author Christian
  73  *
  74  * TODO To change the template for this generated type comment go to
  75  * Window - Preferences - Java - Code Style - Code Templates
  76  */
  77 public class PHPEnvironmentTab2 extends AbstractLaunchConfigurationTab {
  78
  79
  80         protected TableViewer environmentTable;
  81         protected String[] envTableColumnHeaders =
  82         {
  83        LaunchConfigurationsMessages.EnvironmentTab_Variable_1, //$NON-NLS-1$
  84        LaunchConfigurationsMessages.EnvironmentTab_Value_2 //$NON-NLS-1$
  85         };
  86         protected ColumnLayoutData[] envTableColumnLayouts =
  87         {
  88                 new ColumnWeightData(50),
  89                 new ColumnWeightData(50)
  90         };
  91    private static final String NAME_LABEL= LaunchConfigurationsMessages.EnvironmentTab_8; //$NON-NLS-1$
  92    private static final String VALUE_LABEL= LaunchConfigurationsMessages.EnvironmentTab_9; //$NON-NLS-1$
  93         protected static final String P_VARIABLE = "variable"; //$NON-NLS-1$
  94         protected static final String P_VALUE = "value"; //$NON-NLS-1$
  95         protected static String[] envTableColumnProperties =
  96         {
  97                 P_VARIABLE,
  98                 P_VALUE
  99         };
 100         protected Button envAddButton;
 101         protected Button envAddCGIButton;
 102         protected Button envEditButton;
 103         protected Button envRemoveButton;
 104         protected Button appendEnvironment;
 105         protected Button replaceEnvironment;
 106         protected Button envSelectButton;
 107
 108         /**
 109          * Content provider for the environment table
 110          */
 111         protected class EnvironmentVariableContentProvider implements IStructuredContentProvider {
 112                 public Object[] getElements(Object inputElement) {
 113                         EnvironmentVariable[] elements = new EnvironmentVariable[0];
 114                         ILaunchConfiguration config = (ILaunchConfiguration) inputElement;
 115                         Map m;
 116                         try {
 117                                 m = config.getAttribute(ILaunchManager.ATTR_ENVIRONMENT_VARIABLES, (Map) null);
 118                         } catch (CoreException e) {
 119                                 DebugUIPlugin.log(new Status(IStatus.ERROR, DebugUIPlugin.getUniqueIdentifier(), IStatus.ERROR, "Error reading configuration", e)); //$NON-NLS-1$
 120                                 return elements;
 121                         }
 122                         if (m != null && !m.isEmpty()) {
 123                                 elements = new EnvironmentVariable[m.size()];
 124                                 String[] varNames = new String[m.size()];
 125                                 m.keySet().toArray(varNames);
 126                                 for (int i = 0; i < m.size(); i++) {
 127                                         elements[i] = new EnvironmentVariable(varNames[i], (String) m.get(varNames[i]));
 128                                 }
 129                         }
 130                         return elements;
 131                 }
 132                 public void dispose() {
 133                 }
 134                 public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
 135                         if (newInput == null){
 136                                 return;
 137                         }
 138                         if (viewer instanceof TableViewer){
 139                                 TableViewer tableViewer= (TableViewer) viewer;
 140                                 if (tableViewer.getTable().isDisposed()) {
 141                                         return;
 142                                 }
 143                                 tableViewer.setSorter(new ViewerSorter() {
 144                                         public int compare(Viewer iviewer, Object e1, Object e2) {
 145                                                 if (e1 == null) {
 146                                                         return -1;
 147                                                 } else if (e2 == null) {
 148                                                         return 1;
 149                                                 } else {
 150                                                         return ((EnvironmentVariable)e1).getName().compareToIgnoreCase(((EnvironmentVariable)e2).getName());
 151                                                 }
 152                                         }
 153                                 });
 154                         }
 155                 }
 156         }
 157
 158         /**
 159          * Label provider for the environment table
 160          */
 161         public class EnvironmentVariableLabelProvider extends LabelProvider implements ITableLabelProvider {
 162                 public String getColumnText(Object element, int columnIndex)    {
 163                         String result = null;
 164                         if (element != null) {
 165                                 EnvironmentVariable var = (EnvironmentVariable) element;
 166                                 switch (columnIndex) {
 167                                         case 0: // variable
 168                                                 result = var.getName();
 169                                                 break;
 170                                         case 1: // value
 171                                                 result = var.getValue();
 172                                                 break;
 173                                 }
 174                         }
 175                         return result;
 176                 }
 177                 public Image getColumnImage(Object element, int columnIndex) {
 178                         return null;
 179                 }
 180         }
 181
 182         /* (non-Javadoc)
 183          * @see org.eclipse.debug.ui.ILaunchConfigurationTab#createControl(org.eclipse.swt.widgets.Composite)
 184          */
 185         public void createControl(Composite parent) {
 186                 // Create main composite
 187                 Composite mainComposite = new Composite(parent, SWT.NONE);
 188                 setControl(mainComposite);
 189                 PlatformUI.getWorkbench().getHelpSystem().setHelp(getControl(), IDebugHelpContextIds.LAUNCH_CONFIGURATION_DIALOG_ENVIRONMENT_TAB);
 190                 GridLayout layout = new GridLayout();
 191                 layout.numColumns = 2;
 192                 GridData gridData = new GridData(GridData.FILL_HORIZONTAL);
 193                 mainComposite.setLayout(layout);
 194                 mainComposite.setLayoutData(gridData);
 195                 mainComposite.setFont(parent.getFont());
 196
 197                 createEnvironmentTable(mainComposite);
 198                 createTableButtons(mainComposite);
 199                 createAppendReplace(mainComposite);
 200
 201                 Dialog.applyDialogFont(mainComposite);
 202         }
 203
 204         /**
 205          * Creates and configures the widgets which allow the user to
 206          * choose whether the specified environment should be appended
 207          * to the native environment or if it should completely replace it.
 208          * @param parent the composite in which the widgets should be created
 209          */
 210         protected void createAppendReplace(Composite parent) {
 211                 Composite appendReplaceComposite= new Composite(parent, SWT.NONE);
 212                 GridData gridData= new GridData();
 213                 gridData.horizontalSpan= 2;
 214                 GridLayout layout= new GridLayout();
 215                 appendReplaceComposite.setLayoutData(gridData);
 216                 appendReplaceComposite.setLayout(layout);
 217                 appendReplaceComposite.setFont(parent.getFont());
 218
 219        appendEnvironment= createRadioButton(appendReplaceComposite, LaunchConfigurationsMessages.EnvironmentTab_16); //$NON-NLS-1$
 220                 appendEnvironment.addSelectionListener(new SelectionAdapter() {
 221                         public void widgetSelected(SelectionEvent e) {
 222                                 updateLaunchConfigurationDialog();
 223                         }
 224                 });
 225        replaceEnvironment= createRadioButton(appendReplaceComposite, LaunchConfigurationsMessages.EnvironmentTab_17); //$NON-NLS-1$
 226         }
 227
 228         /**
 229          * Updates the enablement of the append/replace widgets. The
 230          * widgets should disable when there are no environment variables specified.
 231          */
 232         protected void updateAppendReplace() {
 233                 boolean enable= environmentTable.getTable().getItemCount() > 0;
 234                 appendEnvironment.setEnabled(enable);
 235                 replaceEnvironment.setEnabled(enable);
 236         }
 237
 238         /**
 239          * Creates and configures the table that displayed the key/value
 240          * pairs that comprise the environment.
 241          * @param parent the composite in which the table should be created
 242          */
 243         protected void createEnvironmentTable(Composite parent) {
 244                 Font font= parent.getFont();
 245                 // Create table composite
 246                 Composite tableComposite = new Composite(parent, SWT.NONE);
 247                 GridLayout layout = new GridLayout();
 248                 layout.marginHeight = 0;
 249                 layout.marginWidth = 0;
 250                 layout.numColumns = 1;
 251                 GridData gridData = new GridData(GridData.FILL_BOTH);
 252                 gridData.heightHint = 150;
 253                 tableComposite.setLayout(layout);
 254                 tableComposite.setLayoutData(gridData);
 255                 tableComposite.setFont(font);
 256                 // Create label
 257                 Label label = new Label(tableComposite, SWT.NONE);
 258                 label.setFont(font);
 259        label.setText(LaunchConfigurationsMessages.EnvironmentTab_Environment_variables_to_set__3); //$NON-NLS-1$
 260                 // Create table
 261                 environmentTable = new TableViewer(tableComposite, SWT.BORDER | SWT.H_SCROLL | SWT.V_SCROLL | SWT.MULTI | SWT.FULL_SELECTION);
 262                 Table table = environmentTable.getTable();
 263                 TableLayout tableLayout = new TableLayout();
 264                 table.setLayout(tableLayout);
 265                 table.setHeaderVisible(true);
 266                 table.setFont(font);
 267                 gridData = new GridData(GridData.FILL_BOTH);
 268                 environmentTable.getControl().setLayoutData(gridData);
 269                 environmentTable.setContentProvider(new EnvironmentVariableContentProvider());
 270                 environmentTable.setLabelProvider(new EnvironmentVariableLabelProvider());
 271                 environmentTable.setColumnProperties(envTableColumnProperties);
 272                 environmentTable.addSelectionChangedListener(new ISelectionChangedListener() {
 273                         public void selectionChanged(SelectionChangedEvent event) {
 274                                 handleTableSelectionChanged(event);
 275                         }
 276                 });
 277                 environmentTable.addDoubleClickListener(new IDoubleClickListener() {
 278                         public void doubleClick(DoubleClickEvent event) {
 279                                 if (!environmentTable.getSelection().isEmpty()) {
 280                                         handleEnvEditButtonSelected();
 281                                 }
 282                         }
 283                 });
 284                 // Create columns
 285                 for (int i = 0; i < envTableColumnHeaders.length; i++) {
 286                         tableLayout.addColumnData(envTableColumnLayouts[i]);
 287                         TableColumn tc = new TableColumn(table, SWT.NONE, i);
 288                         tc.setResizable(envTableColumnLayouts[i].resizable);
 289                         tc.setText(envTableColumnHeaders[i]);
 290                 }
 291         }
 292
 293         /**
 294          * Responds to a selection changed event in the environment table
 295          * @param event the selection change event
 296          */
 297         protected void handleTableSelectionChanged(SelectionChangedEvent event) {
 298                 int size = ((IStructuredSelection)event.getSelection()).size();
 299                 envEditButton.setEnabled(size == 1);
 300                 envRemoveButton.setEnabled(size > 0);
 301         }
 302
 303         /**
 304          * Creates the add/edit/remove buttons for the environment table
 305          * @param parent the composite in which the buttons should be created
 306          */
 307         protected void createTableButtons(Composite parent) {
 308                 // Create button composite
 309                 Composite buttonComposite = new Composite(parent, SWT.NONE);
 310                 GridLayout glayout = new GridLayout();
 311                 glayout.marginHeight = 0;
 312                 glayout.marginWidth = 0;
 313                 glayout.numColumns = 1;
 314                 GridData gdata = new GridData(GridData.VERTICAL_ALIGN_BEGINNING | GridData.HORIZONTAL_ALIGN_END);
 315                 buttonComposite.setLayout(glayout);
 316                 buttonComposite.setLayoutData(gdata);
 317                 buttonComposite.setFont(parent.getFont());
 318
 319                 createVerticalSpacer(buttonComposite, 1);
 320                 // Create buttons
 321        envAddButton = createPushButton(buttonComposite, LaunchConfigurationsMessages.EnvironmentTab_New_4, null); //$NON-NLS-1$
 322                 envAddButton.addSelectionListener(new SelectionAdapter()
 323                 {
 324                         public void widgetSelected(SelectionEvent event) {
 325                                 handleEnvAddButtonSelected();
 326                         }
 327                                 });
 328                 envAddCGIButton = createPushButton(buttonComposite, PHPDebugUiMessages.getString("LaunchConfigurationTab.PHPEnvironment2.CGIButton"), null); //$NON-NLS-1$
 329                 envAddCGIButton.addSelectionListener(new SelectionAdapter() {
 330                         public void widgetSelected(SelectionEvent event) {
 331                                 handleEnvAddCGIButtonSelected();
 332                         }
 333                 });
 334
 335        envSelectButton = createPushButton(buttonComposite, LaunchConfigurationsMessages.EnvironmentTab_18, null); //$NON-NLS-1$
 336                 envSelectButton.addSelectionListener(new SelectionAdapter() {
 337                         public void widgetSelected(SelectionEvent event) {
 338                                 handleEnvSelectButtonSelected();
 339                         }
 340                 });
 341        envEditButton = createPushButton(buttonComposite, LaunchConfigurationsMessages.EnvironmentTab_Edit_5, null); //$NON-NLS-1$
 342                 envEditButton.addSelectionListener(new SelectionAdapter()
 343                 {
 344                         public void widgetSelected(SelectionEvent event) {
 345                                 handleEnvEditButtonSelected();
 346                         }
 347                 });
 348                 envEditButton.setEnabled(false);
 349        envRemoveButton = createPushButton(buttonComposite, LaunchConfigurationsMessages.EnvironmentTab_Remove_6, null); //$NON-NLS-1$
 350                 envRemoveButton.addSelectionListener(new SelectionAdapter()
 351                 {
 352                         public void widgetSelected(SelectionEvent event) {
 353                                 handleEnvRemoveButtonSelected();
 354                         }
 355                 });
 356                 envRemoveButton.setEnabled(false);
 357         }
 358
 359         /**
 360          * Adds a new environment variable to the table.
 361          */
 362         protected void handleEnvAddButtonSelected() {
 363        MultipleInputDialog dialog = new MultipleInputDialog(getShell(), LaunchConfigurationsMessages.EnvironmentTab_22); //$NON-NLS-1$
 364                 dialog.addTextField(NAME_LABEL, null, false);
 365                 dialog.addVariablesField(VALUE_LABEL, null, true);
 366
 367                 if (dialog.open() != Window.OK) {
 368                         return;
 369                 }
 370
 371                 String name = dialog.getStringValue(NAME_LABEL);
 372                 String value = dialog.getStringValue(VALUE_LABEL);
 373
 374                 if (name != null && value != null && name.length() > 0 && value.length() >0) {
 375                         addVariable(new EnvironmentVariable(name.trim(), value.trim()));
 376                         updateAppendReplace();
 377                 }
 378         }
 379
 380         /**
 381          * Attempts to add the given variable. Returns whether the variable
 382          * was added or not (as when the user answers not to overwrite an
 383          * existing variable).
 384          * @param variable the variable to add
 385          * @return whether the variable was added
 386          */
 387         protected boolean addVariable(EnvironmentVariable variable) {
 388                 String name= variable.getName();
 389                 TableItem[] items = environmentTable.getTable().getItems();
 390                 for (int i = 0; i < items.length; i++) {
 391                         EnvironmentVariable existingVariable = (EnvironmentVariable) items[i].getData();
 392                         if (existingVariable.getName().equals(name)) {
 393                boolean overWrite= MessageDialog.openQuestion(getShell(), LaunchConfigurationsMessages.EnvironmentTab_12, MessageFormat.format(LaunchConfigurationsMessages.EnvironmentTab_13, new String[] {name})); //$NON-NLS-1$ //$NON-NLS-2$
 394                                 if (!overWrite) {
 395                                         return false;
 396                                 }
 397                                 environmentTable.remove(existingVariable);
 398                                 break;
 399                         }
 400                 }
 401                 environmentTable.add(variable);
 402                 updateLaunchConfigurationDialog();
 403                 return true;
 404         }
 405
 406         /**
 407          * Displays a dialog that allows user to select native environment variables
 408          * to add to the table.
 409          */
 410         private void handleEnvSelectButtonSelected() {
 411                 //get Environment Variables from the OS
 412                 Map envVariables = getNativeEnvironment();
 413
 414                 //get Environment Variables from the table
 415                 TableItem[] items = environmentTable.getTable().getItems();
 416                 for (int i = 0; i < items.length; i++) {
 417                         EnvironmentVariable var = (EnvironmentVariable) items[i].getData();
 418                         envVariables.remove(var.getName());
 419                 }
 420
 421        ListSelectionDialog dialog = new NativeEnvironmentDialog(getShell(), envVariables, createSelectionDialogContentProvider(), createSelectionDialogLabelProvider(), LaunchConfigurationsMessages.EnvironmentTab_19); //$NON-NLS-1$
 422        dialog.setTitle(LaunchConfigurationsMessages.EnvironmentTab_20); //$NON-NLS-1$
 423
 424                 int button = dialog.open();
 425                 if (button == Window.OK) {
 426                         Object[] selected = dialog.getResult();
 427                         for (int i = 0; i < selected.length; i++) {
 428                                 environmentTable.add(selected[i]);
 429                         }
 430                 }
 431
 432                 updateAppendReplace();
 433                 updateLaunchConfigurationDialog();
 434         }
 435
 436         /**
 437          * Displays a dialog that allows user to select native environment variables
 438          * to add to the table.
 439          */
 440         private void handleEnvAddCGIButtonSelected() {
 441
 442                 Map envVariables = new HashMap();
 443
 444
 445                 envVariables.put("HTTP_COOKIE",new EnvironmentVariable("HTTP_COOKIE", "TestCookie=1"));
 446                 envVariables.put("REDIRECT_QUERY_STRING",new EnvironmentVariable("REDIRECT_QUERY_STRING", ""));
 447                 envVariables.put("REDIRECT_STATUS",new EnvironmentVariable("REDIRECT_STATUS", "200"));
 448                 envVariables.put("REDIRECT_URL",new EnvironmentVariable("REDIRECT_URL", ""));
 449                 envVariables.put("SERVER_SOFTWARE",new EnvironmentVariable("SERVER_SOFTWARE","DBG / 2.1"));
 450                 envVariables.put("SERVER_NAME",new EnvironmentVariable("SERVER_NAME","localhost"));
 451                 envVariables.put("SERVER_ADDR",new EnvironmentVariable("SERVER_ADDR","127.0.0.1"));
 452                 envVariables.put("SERVER_PORT",new EnvironmentVariable("SERVER_PORT","80"));
 453                 envVariables.put("REMOTE_ADDR",new EnvironmentVariable("REMOTE_ADDR","127.0.0.1"));
 454                 envVariables.put("GATEWAY_INTERFACE",new EnvironmentVariable("GATEWAY_INTERFACE","CGI / 1.1"));
 455                 envVariables.put("SERVER_PROTOCOL",new EnvironmentVariable("SERVER_PROTOCOL","HTTP / 1.1"));
 456                 envVariables.put("REQUEST_METHOD",new EnvironmentVariable("REQUEST_METHOD","GET"));
 457                 envVariables.put("QUERY_STRING",new EnvironmentVariable("QUERY_STRING",""));
 458                 envVariables.put("REDIRECT_QUERY_STRING",new EnvironmentVariable("REDIRECT_QUERY_STRING",""));
 459 //              envVariables.put("REQUEST_URI" + OSFilePath;
 460 //              envVariables.put("PATH_INFO=" + OSFilePath;
 461 //              envVariables.put("PATH_TRANSLATED=" + OSFilePath;
 462
 463
 464                 //get Environment Variables from the table
 465                 TableItem[] items = environmentTable.getTable().getItems();
 466                 for (int i = 0; i < items.length; i++) {
 467                         EnvironmentVariable var = (EnvironmentVariable) items[i].getData();
 468                         envVariables.remove(var.getName());
 469                 }
 470
 471        ListSelectionDialog dialog = new NativeEnvironmentDialog(getShell(), envVariables, createSelectionDialogContentProvider(), createSelectionDialogLabelProvider(), LaunchConfigurationsMessages.EnvironmentTab_19); //$NON-NLS-1$
 472        dialog.setTitle(LaunchConfigurationsMessages.EnvironmentTab_20); //$NON-NLS-1$
 473
 474                 int button = dialog.open();
 475                 if (button == Window.OK) {
 476                         Object[] selected = dialog.getResult();
 477                         for (int i = 0; i < selected.length; i++) {
 478                                 environmentTable.add(selected[i]);
 479                         }
 480                 }
 481
 482                 updateAppendReplace();
 483                 updateLaunchConfigurationDialog();
 484         }
 485
 486
 487         /**
 488          * Creates a label provider for the native native environment variable selection dialog.
 489          * @return A label provider for the native native environment variable selection dialog.
 490          */
 491         private ILabelProvider createSelectionDialogLabelProvider() {
 492                 return new ILabelProvider() {
 493                         public Image getImage(Object element) {
 494                                 return null;
 495                         }
 496                         public String getText(Object element) {
 497                                 EnvironmentVariable var = (EnvironmentVariable) element;
 498                                 return var.getName() + " [" + var.getValue() + "]"; //$NON-NLS-1$ //$NON-NLS-2$
 499                         }
 500                         public void addListener(ILabelProviderListener listener) {
 501                         }
 502                         public void dispose() {
 503                         }
 504                         public boolean isLabelProperty(Object element, String property) {
 505                                 return false;
 506                         }
 507                         public void removeListener(ILabelProviderListener listener) {
 508                         }
 509                 };
 510         }
 511
 512         /**
 513          * Creates a content provider for the native native environment variable selection dialog.
 514          * @return A content provider for the native native environment variable selection dialog.
 515          */
 516         private IStructuredContentProvider createSelectionDialogContentProvider() {
 517                 return new IStructuredContentProvider() {
 518                         public Object[] getElements(Object inputElement) {
 519                                 EnvironmentVariable[] elements = null;
 520                                 if (inputElement instanceof HashMap) {
 521                                         Comparator comparator = new Comparator() {
 522                                                 public int compare(Object o1, Object o2) {
 523                                                         String s1 = (String)o1;
 524                                                         String s2 = (String)o2;
 525                                                         return s1.compareTo(s2);
 526                                                 }
 527
 528                                         };
 529                                         TreeMap envVars = new TreeMap(comparator);
 530                                         envVars.putAll((Map)inputElement);
 531                                         elements = new EnvironmentVariable[envVars.size()];
 532                                         int index = 0;
 533                                         for (Iterator iterator = envVars.keySet().iterator(); iterator.hasNext(); index++) {
 534                                                 Object key = iterator.next();
 535                                                 elements[index] = (EnvironmentVariable) envVars.get(key);
 536                                         }
 537                                 }
 538                                 return elements;
 539                         }
 540                         public void dispose() {
 541                         }
 542                         public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
 543                         }
 544                 };
 545         }
 546
 547         /**
 548          * Gets native environment variable from the LaunchManager. Creates EnvironmentVariable objects.
 549          * @return Map of name - EnvironmentVariable pairs based on native environment.
 550          */
 551         private Map getNativeEnvironment() {
 552                 Map stringVars = DebugPlugin.getDefault().getLaunchManager().getNativeEnvironment();
 553                 HashMap vars = new HashMap();
 554                 for (Iterator i = stringVars.keySet().iterator(); i.hasNext(); ) {
 555                         String key = (String) i.next();
 556                         String value = (String) stringVars.get(key);
 557                         vars.put(key, new EnvironmentVariable(key, value));
 558                 }
 559                 return vars;
 560         }
 561
 562         /**
 563          * Creates an editor for the value of the selected environment variable.
 564          */
 565         private void handleEnvEditButtonSelected() {
 566                 IStructuredSelection sel= (IStructuredSelection) environmentTable.getSelection();
 567                 EnvironmentVariable var= (EnvironmentVariable) sel.getFirstElement();
 568                 if (var == null) {
 569                         return;
 570                 }
 571                 String originalName= var.getName();
 572                 String value= var.getValue();
 573        MultipleInputDialog dialog= new MultipleInputDialog(getShell(), LaunchConfigurationsMessages.EnvironmentTab_11); //$NON-NLS-1$
 574                 dialog.addTextField(NAME_LABEL, originalName, false);
 575                 dialog.addVariablesField(VALUE_LABEL, value, true);
 576
 577                 if (dialog.open() != Window.OK) {
 578                         return;
 579                 }
 580                 String name= dialog.getStringValue(NAME_LABEL);
 581                 value= dialog.getStringValue(VALUE_LABEL);
 582                 if (!originalName.equals(name)) {
 583                         if (addVariable(new EnvironmentVariable(name, value))) {
 584                                 environmentTable.remove(var);
 585                         }
 586                 } else {
 587                         var.setValue(value);
 588                         environmentTable.update(var, null);
 589                         updateLaunchConfigurationDialog();
 590                 }
 591         }
 592
 593         /**
 594          * Removes the selected environment variable from the table.
 595          */
 596         private void handleEnvRemoveButtonSelected() {
 597                 IStructuredSelection sel = (IStructuredSelection) environmentTable.getSelection();
 598                 environmentTable.getControl().setRedraw(false);
 599                 for (Iterator i = sel.iterator(); i.hasNext(); ) {
 600                         EnvironmentVariable var = (EnvironmentVariable) i.next();
 601                 environmentTable.remove(var);
 602                 }
 603                 environmentTable.getControl().setRedraw(true);
 604                 updateAppendReplace();
 605                 updateLaunchConfigurationDialog();
 606         }
 607
 608         /**
 609          * Updates the environment table for the given launch configuration
 610          * @param configuration
 611          */
 612         protected void updateEnvironment(ILaunchConfiguration configuration) {
 613                 environmentTable.setInput(configuration);
 614         }
 615
 616         /* (non-Javadoc)
 617          * @see org.eclipse.debug.ui.ILaunchConfigurationTab#setDefaults(org.eclipse.debug.core.ILaunchConfigurationWorkingCopy)
 618          */
 619         public void setDefaults(ILaunchConfigurationWorkingCopy configuration) {
 620         }
 621
 622         /* (non-Javadoc)
 623          * @see org.eclipse.debug.ui.ILaunchConfigurationTab#initializeFrom(org.eclipse.debug.core.ILaunchConfiguration)
 624          */
 625         public void initializeFrom(ILaunchConfiguration configuration) {
 626                 boolean append= true;
 627                 try {
 628                         append = configuration.getAttribute(ILaunchManager.ATTR_APPEND_ENVIRONMENT_VARIABLES, true);
 629                 } catch (CoreException e) {
 630                         DebugUIPlugin.log(e.getStatus());
 631                 }
 632                 if (append) {
 633                         appendEnvironment.setSelection(true);
 634                 replaceEnvironment.setSelection(false);
 635                 } else {
 636                         replaceEnvironment.setSelection(true);
 637                         appendEnvironment.setSelection(false);
 638                 }
 639                 updateEnvironment(configuration);
 640                 updateAppendReplace();
 641         }
 642
 643         /**
 644          * Stores the environment in the given configuration
 645          * @see org.eclipse.debug.ui.ILaunchConfigurationTab#performApply(org.eclipse.debug.core.ILaunchConfigurationWorkingCopy)
 646          */
 647         public void performApply(ILaunchConfigurationWorkingCopy configuration) {
 648                 // Convert the table's items into a Map so that this can be saved in the
 649                 // configuration's attributes.
 650                 TableItem[] items = environmentTable.getTable().getItems();
 651                 Map map = new HashMap(items.length);
 652                 for (int i = 0; i < items.length; i++)
 653                 {
 654                         EnvironmentVariable var = (EnvironmentVariable) items[i].getData();
 655                         map.put(var.getName(), var.getValue());
 656                 }
 657                 if (map.size() == 0) {
 658                         configuration.setAttribute(ILaunchManager.ATTR_ENVIRONMENT_VARIABLES, (Map) null);
 659                 } else {
 660                         configuration.setAttribute(ILaunchManager.ATTR_ENVIRONMENT_VARIABLES, map);
 661                 }
 662                 configuration.setAttribute(ILaunchManager.ATTR_APPEND_ENVIRONMENT_VARIABLES, appendEnvironment.getSelection());
 663         }
 664
 665         /* (non-Javadoc)
 666          * @see org.eclipse.debug.ui.ILaunchConfigurationTab#getName()
 667          */
 668         public String getName() {
 669        return LaunchConfigurationsMessages.EnvironmentTab_Environment_7; //$NON-NLS-1$
 670         }
 671
 672         /* (non-Javadoc)
 673          * @see org.eclipse.debug.ui.ILaunchConfigurationTab#getImage()
 674          */
 675         public Image getImage() {
 676                 return DebugPluginImages.getImage(IDebugUIConstants.IMG_OBJS_ENVIRONMENT);
 677         }
 678
 679         /* (non-Javadoc)
 680          * @see org.eclipse.debug.ui.ILaunchConfigurationTab#activated(org.eclipse.debug.core.ILaunchConfigurationWorkingCopy)
 681          */
 682         public void activated(ILaunchConfigurationWorkingCopy workingCopy) {
 683                 // do nothing when activated
 684         }
 685
 686         /* (non-Javadoc)
 687          * @see org.eclipse.debug.ui.ILaunchConfigurationTab#deactivated(org.eclipse.debug.core.ILaunchConfigurationWorkingCopy)
 688          */
 689         public void deactivated(ILaunchConfigurationWorkingCopy workingCopy) {
 690                 // do nothing when deactivated
 691         }
 692
 693         private class NativeEnvironmentDialog extends ListSelectionDialog {
 694                 public NativeEnvironmentDialog(Shell parentShell, Object input, IStructuredContentProvider contentProvider, ILabelProvider labelProvider, String message) {
 695                         super(parentShell, input, contentProvider, labelProvider, message);
 696                         setShellStyle(getShellStyle() | SWT.RESIZE);
 697                 }
 698
 699                 protected IDialogSettings getDialogSettings() {
 700                         IDialogSettings settings = DebugUIPlugin.getDefault().getDialogSettings();
 701                         IDialogSettings section = settings.getSection(getDialogSettingsSectionName());
 702                         if (section == null) {
 703                                 section = settings.addNewSection(getDialogSettingsSectionName());
 704                         }
 705                         return section;
 706                 }
 707
 708                 /**
 709                  * Returns the name of the section that this dialog stores its settings in
 710                  *
 711                  * @return String
 712                  */
 713                 protected String getDialogSettingsSectionName() {
 714                         return IDebugUIConstants.PLUGIN_ID + ".ENVIRONMENT_TAB.NATIVE_ENVIROMENT_DIALOG"; //$NON-NLS-1$
 715                 }
 716         }
 717 }
 718
 719