net.sourceforge.phpeclipse.debug.ui/src/net/sourceforge/phpdt/internal/debug/ui/actions/ToggleBreakpointAdapter.java

   1 /*******************************************************************************
   2  * Copyright (c) 2000, 2004 IBM Corporation and others.
   3  * All rights reserved. This program and the accompanying materials
   4  * are made available under the terms of the Common Public License v1.0
   5  * which accompanies this distribution, and is available at
   6  * http://www.eclipse.org/legal/cpl-v10.html
   7  *
   8  * Contributors:
   9  *     IBM Corporation - initial API and implementation
  10  *******************************************************************************/
  11 package net.sourceforge.phpdt.internal.debug.ui.actions;
  12
  13 import java.util.ArrayList;
  14 import java.util.Iterator;
  15 import java.util.List;
  16
  17 import net.sourceforge.phpdt.core.Flags;
  18 import net.sourceforge.phpdt.core.ICompilationUnit;
  19 import net.sourceforge.phpdt.core.IJavaElement;
  20 import net.sourceforge.phpdt.core.IMethod;
  21 import net.sourceforge.phpdt.core.IType;
  22 import net.sourceforge.phpdt.core.JavaModelException;
  23 import net.sourceforge.phpdt.core.Signature;
  24 import net.sourceforge.phpdt.debug.core.PHPDebugModel;
  25 import net.sourceforge.phpdt.internal.debug.core.breakpoints.PHPLineBreakpoint;
  26 import net.sourceforge.phpdt.internal.debug.ui.PHPDebugUiPlugin;
  27
  28 import org.eclipse.core.resources.IResource;
  29 import org.eclipse.core.resources.ResourcesPlugin;
  30 import org.eclipse.core.runtime.CoreException;
  31 import org.eclipse.debug.core.DebugPlugin;
  32 import org.eclipse.debug.ui.actions.IToggleBreakpointsTarget;
  33 import org.eclipse.jface.text.IDocument;
  34 import org.eclipse.jface.text.ITextSelection;
  35 import org.eclipse.jface.viewers.ISelection;
  36 import org.eclipse.jface.viewers.IStructuredSelection;
  37 import org.eclipse.ui.IEditorInput;
  38 import org.eclipse.ui.IEditorPart;
  39 import org.eclipse.ui.IFileEditorInput;
  40 import org.eclipse.ui.IWorkbenchPart;
  41 import org.eclipse.ui.texteditor.IEditorStatusLine;
  42 import org.eclipse.ui.texteditor.ITextEditor;
  43
  44 /**
  45  * Toggles a line breakpoint in a Java editor.
  46  *
  47  * @since 3.0
  48  */
  49 public class ToggleBreakpointAdapter implements IToggleBreakpointsTarget {
  50
  51         protected void report(String message, IWorkbenchPart part) {
  52                 IEditorStatusLine statusLine = (IEditorStatusLine) part
  53                                 .getAdapter(IEditorStatusLine.class);
  54                 if (statusLine != null) {
  55                         if (message != null) {
  56                                 statusLine.setMessage(true, message, null);
  57                         } else {
  58                                 statusLine.setMessage(true, null, null);
  59                         }
  60                 }
  61                 if (message != null
  62                                 && PHPDebugUiPlugin.getActiveWorkbenchShell() != null) {
  63                         PHPDebugUiPlugin.getActiveWorkbenchShell().getDisplay().beep();
  64                 }
  65         }
  66
  67         // protected IType getType(ITextSelection selection) {
  68         // IMember member=
  69         // ActionDelegateHelper.getDefault().getCurrentMember(selection);
  70         // IType type= null;
  71         // if (member instanceof IType) {
  72         // type = (IType)member;
  73         // } else if (member != null) {
  74         // type= member.getDeclaringType();
  75         // }
  76         // // bug 52385: we don't want local and anonymous types from compilation
  77         // unit,
  78         // // we are getting 'not-always-correct' names for them.
  79         // try {
  80         // while (type != null && !type.isBinary() && type.isLocal()) {
  81         // type= type.getDeclaringType();
  82         // }
  83         // } catch (JavaModelException e) {
  84         // PHPDebugUiPlugin.log(e);
  85         // }
  86         // return type;
  87         // }
  88
  89         /*
  90          * (non-Javadoc)
  91          *
  92          * @see org.eclipse.debug.ui.actions.IToggleBreakpointsTarget#toggleLineBreakpoints(IWorkbenchPart,
  93          *      ISelection)
  94          */
  95         public void toggleLineBreakpoints(IWorkbenchPart part, ISelection selection)
  96                         throws CoreException {
  97                 if (selection instanceof ITextSelection) {
  98                         report(null, part);
  99                         IEditorPart editorPart = (IEditorPart) part;
 100                         ITextSelection textSelection = (ITextSelection) selection;
 101                         // IType type = getType(textSelection);
 102                         IEditorInput editorInput = editorPart.getEditorInput();
 103                         IDocument document = ((ITextEditor) editorPart)
 104                                         .getDocumentProvider().getDocument(editorInput);
 105                         int lineNumber = textSelection.getStartLine() + 1;
 106                         int offset = textSelection.getOffset();
 107                         try {
 108                                 // if (type == null) {
 109                                 // IClassFile classFile=
 110                                 // (IClassFile)editorInput.getAdapter(IClassFile.class);
 111                                 // if (classFile != null) {
 112                                 // type= classFile.getType();
 113                                 // // bug 34856 - if this is an inner type, ensure the
 114                                 // breakpoint is not
 115                                 // // being added to the outer type
 116                                 // if (type.getDeclaringType() != null) {
 117                                 // ISourceRange sourceRange= type.getSourceRange();
 118                                 // int start= sourceRange.getOffset();
 119                                 // int end= start + sourceRange.getLength();
 120                                 // if (offset < start || offset > end) {
 121                                 // // not in the inner type
 122                                 // IStatusLineManager statusLine =
 123                                 // editorPart.getEditorSite().getActionBars().getStatusLineManager();
 124                                 // statusLine
 125                                 // .setErrorMessage(MessageFormat.format(ActionMessages.getString("ManageBreakpointRulerAction.Breakpoints_can_only_be_created_within_the_type_associated_with_the_editor__{0}._1"),
 126                                 // new String[] { type.getTypeQualifiedName()})); //$NON-NLS-1$
 127                                 // Display.getCurrent().beep();
 128                                 // return;
 129                                 // }
 130                                 // }
 131                                 // }
 132                                 // }
 133
 134                                 // String typeName= null;
 135                                 IResource resource;
 136                                 PHPLineBreakpoint breakpoint = null;
 137                                 // if (type == null) {
 138                                 if (editorInput instanceof IFileEditorInput) {
 139                                         resource = ((IFileEditorInput) editorInput).getFile();
 140                                 } else {
 141                                         resource = ResourcesPlugin.getWorkspace().getRoot();
 142                                 }
 143                                 // } else {
 144                                 // typeName= type.getFullyQualifiedName();
 145                                 // PHPLineBreakpoint
 146                                 // breakpoint=PHPDebugModel.lineBreakpointExists(lineNumber);
 147                                 // if (breakpoint==null)
 148                                 // PHPDebugModel.createLineBreakpoint(getFile(), lineNumber, 0,
 149                                 // true, null);
 150                                 // else
 151                                 // DebugPlugin.getDefault().getBreakpointManager().removeBreakpoint(
 152                                 // breakpoint, true );
 153                                 //
 154                                 PHPLineBreakpoint existingBreakpoint = PHPDebugModel
 155                                                 .lineBreakpointExists(resource, lineNumber); // typeName,
 156                                                                                                                         // lineNumber);
 157                                 if (existingBreakpoint != null) {
 158                                         DebugPlugin.getDefault().getBreakpointManager()
 159                                                         .removeBreakpoint(existingBreakpoint, true);
 160                                         return;
 161                                 } else {
 162                                         breakpoint = PHPDebugModel.createLineBreakpoint(resource,
 163                                                         lineNumber, 0, true, null);
 164                                 }
 165                                 // }
 166                                 // new BreakpointLocationVerifierJob(document, breakpoint,
 167                                 // lineNumber, typeName, type, resource, (IEditorStatusLine)
 168                                 // editorPart.getAdapter(IEditorStatusLine.class)).schedule();
 169                         } catch (CoreException ce) {
 170                                 // TODO: no message in ActionMessages
 171                                 // ExceptionHandler.handle(ce,
 172                                 // ActionMessages.getString("ManageBreakpointActionDelegate.error.title1"),
 173                                 // ActionMessages.getString("ManageBreakpointActionDelegate.error.message1"));
 174                                 // //$NON-NLS-1$ //$NON-NLS-2$
 175                                 return;
 176                         }
 177                 }
 178         }
 179
 180         /*
 181          * (non-Javadoc)
 182          *
 183          * @see org.eclipse.debug.ui.actions.IToggleBreakpointsTarget#canToggleLineBreakpoints(IWorkbenchPart,
 184          *      ISelection)
 185          */
 186         public boolean canToggleLineBreakpoints(IWorkbenchPart part,
 187                         ISelection selection) {
 188                 return selection instanceof ITextSelection;
 189         }
 190
 191         /*
 192          * (non-Javadoc)
 193          *
 194          * @see org.eclipse.debug.ui.actions.IToggleBreakpointsTarget#toggleMethodBreakpoints(org.eclipse.ui.IWorkbenchPart,
 195          *      org.eclipse.jface.viewers.ISelection)
 196          */
 197         public void toggleMethodBreakpoints(IWorkbenchPart part,
 198                         ISelection selection) throws CoreException {
 199                 // report(null, part);
 200                 // selection = translateToMembers(part, selection);
 201                 // if (selection instanceof ITextSelection) {
 202                 // ITextSelection textSelection = (ITextSelection) selection;
 203                 // if (selection != null) {
 204                 // CompilationUnit compilationUnit=
 205                 // parseCompilationUnit((ITextEditor)part);
 206                 // if (compilationUnit != null) {
 207                 // BreakpointMethodLocator locator= new
 208                 // BreakpointMethodLocator(textSelection.getOffset());
 209                 // compilationUnit.accept(locator);
 210                 // String methodName= locator.getMethodName();
 211                 // if (methodName == null) {
 212                 // report(ActionMessages.getString("ManageMethodBreakpointActionDelegate.CantAdd"),
 213                 // part); //$NON-NLS-1$
 214                 // return;
 215                 // }
 216                 // String typeName= locator.getTypeName();
 217                 // String methodSignature= locator.getMethodSignature();
 218                 // if (methodSignature == null) {
 219                 // report(ActionMessages.getString("ManageMethodBreakpointActionDelegate.methodNonAvailable"),
 220                 // part); //$NON-NLS-1$
 221                 // return;
 222                 // }
 223                 // // check if this method breakpoint already exist. If yes, remove it.
 224                 // IBreakpointManager breakpointManager=
 225                 // DebugPlugin.getDefault().getBreakpointManager();
 226                 // IBreakpoint[] breakpoints=
 227                 // breakpointManager.getBreakpoints(JDIDebugModel.getPluginIdentifier());
 228                 // for (int i= 0; i < breakpoints.length; i++) {
 229                 // IBreakpoint breakpoint= breakpoints[i];
 230                 // if (breakpoint instanceof IJavaMethodBreakpoint) {
 231                 // IJavaMethodBreakpoint methodBreakpoint=
 232                 // (IJavaMethodBreakpoint)breakpoint;
 233                 // if (typeName.equals(methodBreakpoint.getTypeName())
 234                 // && methodName.equals(methodBreakpoint.getMethodName())
 235                 // && methodSignature.equals(methodBreakpoint.getMethodSignature())) {
 236                 // breakpointManager.removeBreakpoint(methodBreakpoint, true);
 237                 // return;
 238                 // }
 239                 // }
 240                 // }
 241                 // // add the breakpoint
 242                 // JDIDebugModel.createMethodBreakpoint(getResource((IEditorPart)part),
 243                 // typeName, methodName, methodSignature, true, false, false, -1, -1,
 244                 // -1, 0, true, new HashMap(10));
 245                 // }
 246                 // }
 247                 // } else if (selection instanceof IStructuredSelection) {
 248                 // IMethod[] members= getMethods((IStructuredSelection)selection);
 249                 // if (members.length == 0) {
 250                 // report(ActionMessages.getString("ToggleBreakpointAdapter.9"), part);
 251                 // //$NON-NLS-1$
 252                 // return;
 253                 // }
 254                 // // add or remove the breakpoint
 255                 // IBreakpointManager breakpointManager=
 256                 // DebugPlugin.getDefault().getBreakpointManager();
 257                 // for (int i= 0, length= members.length; i < length; i++) {
 258                 // IMethod method= members[i];
 259                 // IJavaBreakpoint breakpoint= getBreakpoint(method);
 260                 // if (breakpoint == null) {
 261                 // // add breakpoint
 262                 // int start = -1;
 263                 // int end = -1;
 264                 // ISourceRange range = method.getNameRange();
 265                 // if (range != null) {
 266                 // start = range.getOffset();
 267                 // end = start + range.getLength();
 268                 // }
 269                 // Map attributes = new HashMap(10);
 270                 // BreakpointUtils.addJavaBreakpointAttributes(attributes, method);
 271                 // String methodName = method.getElementName();
 272                 // if (method.isConstructor()) {
 273                 // methodName = "<init>"; //$NON-NLS-1$
 274                 // }
 275                 // IType type= method.getDeclaringType();
 276                 // String methodSignature= method.getSignature();
 277                 // if (!type.isBinary()) {
 278                 // //resolve the type names
 279                 // methodSignature= resolveMethodSignature(type, methodSignature);
 280                 // if (methodSignature == null) {
 281                 // IStatus status = new Status(IStatus.ERROR,
 282                 // JDIDebugUIPlugin.getUniqueIdentifier(), IStatus.ERROR, "Source method
 283                 // signature could not be resolved", null); //$NON-NLS-1$
 284                 // throw new CoreException(status);
 285                 // }
 286                 // }
 287                 // JDIDebugModel.createMethodBreakpoint(BreakpointUtils.getBreakpointResource(method),
 288                 // type.getFullyQualifiedName(), methodName, methodSignature, true,
 289                 // false, false, -1, start, end, 0, true, attributes);
 290                 // } else {
 291                 // // remove breakpoint
 292                 // breakpointManager.removeBreakpoint(breakpoint, true);
 293                 // }
 294                 // }
 295                 // }
 296         }
 297
 298         /*
 299          * (non-Javadoc)
 300          *
 301          * @see org.eclipse.debug.ui.actions.IToggleBreakpointsTarget#canToggleMethodBreakpoints(org.eclipse.ui.IWorkbenchPart,
 302          *      org.eclipse.jface.viewers.ISelection)
 303          */
 304         public boolean canToggleMethodBreakpoints(IWorkbenchPart part,
 305                         ISelection selection) {
 306                 // if (selection instanceof IStructuredSelection) {
 307                 // IStructuredSelection ss = (IStructuredSelection) selection;
 308                 // return getMethods(ss).length > 0;
 309                 // } else {
 310                 // return selection instanceof ITextSelection;
 311                 // }
 312                 return false;
 313         }
 314
 315         protected IMethod[] getMethods(IStructuredSelection selection) {
 316                 if (selection.isEmpty()) {
 317                         return new IMethod[0];
 318                 } else {
 319                         List methods = new ArrayList(selection.size());
 320                         Iterator iterator = selection.iterator();
 321                         while (iterator.hasNext()) {
 322                                 Object thing = iterator.next();
 323                                 try {
 324                                         if (thing instanceof IMethod
 325                                                         && !Flags.isAbstract(((IMethod) thing).getFlags())) {
 326                                                 methods.add(thing);
 327                                         }
 328                                 } catch (JavaModelException e) {
 329                                 }
 330                         }
 331                         return (IMethod[]) methods.toArray(new IMethod[methods.size()]);
 332                 }
 333         }
 334
 335         // protected IField[] getFields(IStructuredSelection selection) {
 336         // if (selection.isEmpty()) {
 337         // return new IField[0];
 338         // } else {
 339         // List fields = new ArrayList(selection.size());
 340         // Iterator iterator = selection.iterator();
 341         // while (iterator.hasNext()) {
 342         // Object thing = iterator.next();
 343         // if (thing instanceof IField) {
 344         // fields.add(thing);
 345         // } else if (thing instanceof IJavaFieldVariable) {
 346         // IField field= getField((IJavaFieldVariable) thing);
 347         // if (field != null) {
 348         // fields.add(field);
 349         // }
 350         // }
 351         // }
 352         // return (IField[]) fields.toArray(new IField[fields.size()]);
 353         // }
 354         // }
 355
 356         /*
 357          * (non-Javadoc)
 358          *
 359          * @see org.eclipse.debug.ui.actions.IToggleBreakpointsTarget#toggleWatchpoints(org.eclipse.ui.IWorkbenchPart,
 360          *      org.eclipse.jface.viewers.ISelection)
 361          */
 362         public void toggleWatchpoints(IWorkbenchPart part, ISelection selection)
 363                         throws CoreException {
 364                 // report(null, part);
 365                 // selection = translateToMembers(part, selection);
 366                 // if (selection instanceof ITextSelection) {
 367                 // ITextSelection textSelection= (ITextSelection) selection;
 368                 // CompilationUnit compilationUnit=
 369                 // parseCompilationUnit((ITextEditor)part);
 370                 // if (compilationUnit != null) {
 371                 // BreakpointFieldLocator locator= new
 372                 // BreakpointFieldLocator(textSelection.getOffset());
 373                 // compilationUnit.accept(locator);
 374                 // String fieldName= locator.getFieldName();
 375                 // if (fieldName == null) {
 376                 // report(ActionMessages.getString("ManageWatchpointActionDelegate.CantAdd"),
 377                 // part); //$NON-NLS-1$
 378                 // return;
 379                 // }
 380                 // String typeName= locator.getTypeName();
 381                 // // check if the watchpoint already exists. If yes, remove it
 382                 // IBreakpointManager breakpointManager=
 383                 // DebugPlugin.getDefault().getBreakpointManager();
 384                 // IBreakpoint[] breakpoints=
 385                 // breakpointManager.getBreakpoints(JDIDebugModel.getPluginIdentifier());
 386                 // for (int i= 0; i < breakpoints.length; i++) {
 387                 // IBreakpoint breakpoint= breakpoints[i];
 388                 // if (breakpoint instanceof IJavaWatchpoint) {
 389                 // IJavaWatchpoint watchpoint= (IJavaWatchpoint)breakpoint;
 390                 // if (typeName.equals(watchpoint.getTypeName()) &&
 391                 // fieldName.equals(watchpoint.getFieldName())) {
 392                 // breakpointManager.removeBreakpoint(watchpoint, true);
 393                 // return;
 394                 // }
 395                 // }
 396                 // }
 397                 // // add the watchpoint
 398                 // JDIDebugModel.createWatchpoint(getResource((IEditorPart)part),
 399                 // typeName, fieldName, -1, -1, -1, 0, true, new HashMap(10));
 400                 // }
 401                 // } else if (selection instanceof IStructuredSelection) {
 402                 // IField[] members = getFields((IStructuredSelection)selection);
 403                 // if (members.length == 0) {
 404                 // report(ActionMessages.getString("ToggleBreakpointAdapter.10"), part);
 405                 // //$NON-NLS-1$
 406                 // return;
 407                 // }
 408                 // // add or remove watchpoint
 409                 // IBreakpointManager breakpointManager=
 410                 // DebugPlugin.getDefault().getBreakpointManager();
 411                 // for (int i= 0, length= members.length; i < length; i++) {
 412                 // IField element= members[i];
 413                 // IJavaBreakpoint breakpoint= getBreakpoint(element);
 414                 // if (breakpoint == null) {
 415                 // IType type = element.getDeclaringType();
 416                 // int start = -1;
 417                 // int end = -1;
 418                 // ISourceRange range = element.getNameRange();
 419                 // if (range != null) {
 420                 // start = range.getOffset();
 421                 // end = start + range.getLength();
 422                 // }
 423                 // Map attributes = new HashMap(10);
 424                 // BreakpointUtils.addJavaBreakpointAttributes(attributes, element);
 425                 // JDIDebugModel.createWatchpoint(BreakpointUtils.getBreakpointResource(type),
 426                 // type.getFullyQualifiedName(), element.getElementName(), -1, start,
 427                 // end, 0, true, attributes);
 428                 // } else {
 429                 // // remove breakpoint
 430                 // breakpointManager.removeBreakpoint(breakpoint, true);
 431                 // }
 432                 // }
 433                 // }
 434         }
 435
 436         public static String resolveMethodSignature(IType type,
 437                         String methodSignature) throws JavaModelException {
 438                 String[] parameterTypes = Signature.getParameterTypes(methodSignature);
 439                 int length = parameterTypes.length;
 440                 String[] resolvedParameterTypes = new String[length];
 441
 442                 for (int i = 0; i < length; i++) {
 443                         resolvedParameterTypes[i] = resolveType(type, parameterTypes[i]);
 444                         if (resolvedParameterTypes[i] == null) {
 445                                 return null;
 446                         }
 447                 }
 448
 449                 String resolvedReturnType = resolveType(type, Signature
 450                                 .getReturnType(methodSignature));
 451                 if (resolvedReturnType == null) {
 452                         return null;
 453                 }
 454
 455                 return Signature.createMethodSignature(resolvedParameterTypes,
 456                                 resolvedReturnType);
 457         }
 458
 459         private static String resolveType(IType type, String typeSignature)
 460                         throws JavaModelException {
 461                 // int count= Signature.getArrayCount(typeSignature);
 462                 // String elementTypeSignature= Signature.getElementType(typeSignature);
 463                 // if (elementTypeSignature.length() == 1) {
 464                 // // no need to resolve primitive types
 465                 // return typeSignature;
 466                 // }
 467                 // String elementTypeName= Signature.toString(elementTypeSignature);
 468                 // String[][] resolvedElementTypeNames=
 469                 // type.resolveType(elementTypeName);
 470                 // if (resolvedElementTypeNames == null ||
 471                 // resolvedElementTypeNames.length != 1) {
 472                 // // the type name cannot be resolved
 473                 // return null;
 474                 // }
 475                 // String resolvedElementTypeName=
 476                 // Signature.toQualifiedName(resolvedElementTypeNames[0]);
 477                 // String resolvedElementTypeSignature=
 478                 // Signature.createTypeSignature(resolvedElementTypeName,
 479                 // true).replace('.', '/');
 480                 // return Signature.createArraySignature(resolvedElementTypeSignature,
 481                 // count);
 482                 return "";
 483         }
 484
 485         protected static IResource getResource(IEditorPart editor) {
 486                 IResource resource;
 487                 IEditorInput editorInput = editor.getEditorInput();
 488                 if (editorInput instanceof IFileEditorInput) {
 489                         resource = ((IFileEditorInput) editorInput).getFile();
 490                 } else {
 491                         resource = ResourcesPlugin.getWorkspace().getRoot();
 492                 }
 493                 return resource;
 494         }
 495
 496         /**
 497          * Returns a handle to the specified method or <code>null</code> if none.
 498          *
 499          * @param editorPart
 500          *            the editor containing the method
 501          * @param typeName
 502          * @param methodName
 503          * @param signature
 504          * @return handle or <code>null</code>
 505          */
 506         protected IMethod getMethodHandle(IEditorPart editorPart, String typeName,
 507                         String methodName, String signature) throws CoreException {
 508                 IJavaElement element = (IJavaElement) editorPart.getEditorInput()
 509                                 .getAdapter(IJavaElement.class);
 510                 IType type = null;
 511                 if (element instanceof ICompilationUnit) {
 512                         IType[] types = ((ICompilationUnit) element).getAllTypes();
 513                         for (int i = 0; i < types.length; i++) {
 514                                 if (types[i].getFullyQualifiedName().equals(typeName)) {
 515                                         type = types[i];
 516                                         break;
 517                                 }
 518                         }
 519                 }
 520                 // else if (element instanceof IClassFile) {
 521                 // type = ((IClassFile)element).getType();
 522                 // }
 523                 if (type != null) {
 524                         String[] sigs = Signature.getParameterTypes(signature);
 525                         return type.getMethod(methodName, sigs);
 526                 }
 527                 return null;
 528         }
 529
 530         // protected IJavaBreakpoint getBreakpoint(IMember element) {
 531         // IBreakpointManager breakpointManager=
 532         // DebugPlugin.getDefault().getBreakpointManager();
 533         // IBreakpoint[] breakpoints=
 534         // breakpointManager.getBreakpoints(JDIDebugModel.getPluginIdentifier());
 535         // if (element instanceof IMethod) {
 536         // IMethod method= (IMethod)element;
 537         // for (int i= 0; i < breakpoints.length; i++) {
 538         // IBreakpoint breakpoint= breakpoints[i];
 539         // if (breakpoint instanceof IJavaMethodBreakpoint) {
 540         // IJavaMethodBreakpoint methodBreakpoint=
 541         // (IJavaMethodBreakpoint)breakpoint;
 542         // IMember container = null;
 543         // try {
 544         // container= BreakpointUtils.getMember(methodBreakpoint);
 545         // } catch (CoreException e) {
 546         // JDIDebugUIPlugin.log(e);
 547         // return null;
 548         // }
 549         // if (container == null) {
 550         // try {
 551         // if
 552         // (method.getDeclaringType().getFullyQualifiedName().equals(methodBreakpoint.getTypeName())
 553         // && method.getElementName().equals(methodBreakpoint.getMethodName())
 554         // && method.getSignature().equals(methodBreakpoint.getMethodSignature())) {
 555         // return methodBreakpoint;
 556         // }
 557         // } catch (CoreException e) {
 558         // JDIDebugUIPlugin.log(e);
 559         // }
 560         // } else {
 561         // if (container instanceof IMethod) {
 562         // if
 563         // (method.getDeclaringType().getFullyQualifiedName().equals(container.getDeclaringType().getFullyQualifiedName()))
 564         // {
 565         // if (method.isSimilar((IMethod)container)) {
 566         // return methodBreakpoint;
 567         // }
 568         // }
 569         // }
 570         // }
 571         // }
 572         // }
 573         // } else if (element instanceof IField) {
 574         // for (int i= 0; i < breakpoints.length; i++) {
 575         // IBreakpoint breakpoint= breakpoints[i];
 576         // if (breakpoint instanceof IJavaWatchpoint) {
 577         // try {
 578         // if (equalFields(element, (IJavaWatchpoint)breakpoint))
 579         // return (IJavaBreakpoint)breakpoint;
 580         // } catch (CoreException e) {
 581         // JDIDebugUIPlugin.log(e);
 582         // }
 583         // }
 584         // }
 585         // }
 586         // return null;
 587         // }
 588
 589         /**
 590          * Compare two fields. The default <code>equals()</code> method for
 591          * <code>IField</code> doesn't give the comparison desired.
 592          */
 593         // private boolean equalFields(IMember breakpointField, IJavaWatchpoint
 594         // watchpoint) throws CoreException {
 595         // return
 596         // (breakpointField.getElementName().equals(watchpoint.getFieldName()) &&
 597         // breakpointField.getDeclaringType().getFullyQualifiedName().equals(watchpoint.getTypeName()));
 598         // }
 599         //
 600         // protected CompilationUnit parseCompilationUnit(ITextEditor editor) {
 601         // IEditorInput editorInput = editor.getEditorInput();
 602         // IDocument document=
 603         // editor.getDocumentProvider().getDocument(editorInput);
 604         // ASTParser parser = ASTParser.newParser(AST.JLS2);
 605         // parser.setSource(document.get().toCharArray());
 606         // return (CompilationUnit) parser.createAST(null);
 607         // }
 608         /*
 609          * (non-Javadoc)
 610          *
 611          * @see org.eclipse.debug.ui.actions.IToggleBreakpointsTarget#canToggleWatchpoints(org.eclipse.ui.IWorkbenchPart,
 612          *      org.eclipse.jface.viewers.ISelection)
 613          */
 614         public boolean canToggleWatchpoints(IWorkbenchPart part,
 615                         ISelection selection) {
 616                 // if (selection instanceof IStructuredSelection) {
 617                 // IStructuredSelection ss = (IStructuredSelection) selection;
 618                 // return getFields(ss).length > 0;
 619                 // } else {
 620                 // return selection instanceof ITextSelection;
 621                 // }
 622                 return false;
 623         }
 624
 625         /**
 626          * Returns a selection of the member in the given text selection, or the
 627          * original selection if none.
 628          *
 629          * @param part
 630          * @param selection
 631          * @return a structured selection of the member in the given text selection,
 632          *         or the original selection if none
 633          * @exception CoreException
 634          *                if an exceptoin occurrs
 635          */
 636         // protected ISelection translateToMembers(IWorkbenchPart part, ISelection
 637         // selection) throws CoreException {
 638         // if (selection instanceof ITextSelection && part instanceof IEditorPart) {
 639         // ITextSelection textSelection = (ITextSelection)selection;
 640         // IEditorPart editorPart = (IEditorPart) part;
 641         // IEditorInput editorInput = editorPart.getEditorInput();
 642         // IMember m= null;
 643         // IClassFile classFile=
 644         // (IClassFile)editorInput.getAdapter(IClassFile.class);
 645         // if (classFile != null) {
 646         // IJavaElement e= classFile.getElementAt(textSelection.getOffset());
 647         // if (e instanceof IMember) {
 648         // m= (IMember)e;
 649         // }
 650         // } else {
 651         // IWorkingCopyManager manager= JavaUI.getWorkingCopyManager();
 652         // ICompilationUnit unit= manager.getWorkingCopy(editorInput);
 653         // if (unit != null) {
 654         // synchronized (unit) {
 655         // unit.reconcile(ICompilationUnit.NO_AST /*don't create ast*/, false/*don't
 656         // force problem detection*/, null/*use primary owner*/, null/*no progress
 657         // monitor*/);
 658         // }
 659         // IJavaElement e = unit.getElementAt(textSelection.getOffset());
 660         // if (e instanceof IMember) {
 661         // m= (IMember)e;
 662         // }
 663         // }
 664         // }
 665         // if (m != null) {
 666         // return new StructuredSelection(m);
 667         // }
 668         // }
 669         // return selection;
 670         // }
 671         /**
 672          * Returns a list of matching types (IType - Java model) that correspond to
 673          * the declaring type (ReferenceType - JDI model) of the given variable.
 674          */
 675         // protected static List searchForDeclaringType(IJavaFieldVariable variable)
 676         // {
 677         // List types= new ArrayList();
 678         // ILaunch launch = variable.getDebugTarget().getLaunch();
 679         // if (launch == null) {
 680         // return types;
 681         // }
 682         //
 683         // ILaunchConfiguration configuration= launch.getLaunchConfiguration();
 684         // IJavaProject[] javaProjects = null;
 685         // IWorkspace workspace= ResourcesPlugin.getWorkspace();
 686         // if (configuration != null) {
 687         // // Launch configuration support
 688         // try {
 689         // String projectName=
 690         // configuration.getAttribute(IJavaLaunchConfigurationConstants.ATTR_PROJECT_NAME,
 691         // ""); //$NON-NLS-1$
 692         // if (projectName.length() != 0) {
 693         // javaProjects= new IJavaProject[]
 694         // {JavaCore.create(workspace.getRoot().getProject(projectName))};
 695         // } else {
 696         // IProject[] projects=
 697         // ResourcesPlugin.getWorkspace().getRoot().getProjects();
 698         // IProject project;
 699         // List projectList= new ArrayList();
 700         // for (int i= 0, numProjects= projects.length; i < numProjects; i++) {
 701         // project= projects[i];
 702         // if (project.isAccessible() && project.hasNature(JavaCore.NATURE_ID)) {
 703         // projectList.add(JavaCore.create(project));
 704         // }
 705         // }
 706         // javaProjects= new IJavaProject[projectList.size()];
 707         // projectList.toArray(javaProjects);
 708         // }
 709         // } catch (CoreException e) {
 710         // JDIDebugUIPlugin.log(e);
 711         // }
 712         // }
 713         // if (javaProjects == null) {
 714         // return types;
 715         // }
 716         //
 717         // SearchEngine engine= new SearchEngine();
 718         // IJavaSearchScope scope= SearchEngine.createJavaSearchScope(javaProjects,
 719         // true);
 720         // String declaringType= null;
 721         // try {
 722         // declaringType= variable.getDeclaringType().getName();
 723         // } catch (DebugException x) {
 724         // JDIDebugUIPlugin.log(x);
 725         // return types;
 726         // }
 727         // ArrayList typeRefsFound= new ArrayList(3);
 728         // ITypeNameRequestor requestor= new TypeInfoRequestor(typeRefsFound);
 729         // try {
 730         // engine.searchAllTypeNames(
 731         // getPackage(declaringType),
 732         // getTypeName(declaringType),
 733         // SearchPattern.R_EXACT_MATCH | SearchPattern.R_CASE_SENSITIVE,
 734         // IJavaSearchConstants.CLASS,
 735         // scope,
 736         // requestor,
 737         // IJavaSearchConstants.WAIT_UNTIL_READY_TO_SEARCH,
 738         // null);
 739         // } catch (JavaModelException x) {
 740         // JDIDebugUIPlugin.log(x);
 741         // return types;
 742         // }
 743         // Iterator iter= typeRefsFound.iterator();
 744         // TypeInfo typeInfo= null;
 745         // while (iter.hasNext()) {
 746         // typeInfo= (TypeInfo)iter.next();
 747         // try {
 748         // types.add(typeInfo.resolveType(scope));
 749         // } catch (JavaModelException jme) {
 750         // JDIDebugUIPlugin.log(jme);
 751         // }
 752         // }
 753         // return types;
 754         // }
 755         /**
 756          * Returns the package name of the given fully qualified type name. The
 757          * package name is assumed to be the dot-separated prefix of the type name.
 758          */
 759         // protected static char[] getPackage(String fullyQualifiedName) {
 760         // int index= fullyQualifiedName.lastIndexOf('.');
 761         // if (index == -1) {
 762         // return new char[0];
 763         // }
 764         // return fullyQualifiedName.substring(0, index).toCharArray();
 765         // }
 766         //
 767         // /**
 768         // * Returns a simple type name from the given fully qualified type name.
 769         // * The type name is assumed to be the last contiguous segment of the
 770         // * fullyQualifiedName not containing a '.' or '$'
 771         // */
 772         // protected static char[] getTypeName(String fullyQualifiedName) {
 773         // int index= fullyQualifiedName.lastIndexOf('.');
 774         // String typeName= fullyQualifiedName.substring(index + 1);
 775         // int lastInnerClass= typeName.lastIndexOf('$');
 776         // if (lastInnerClass != -1) {
 777         // typeName= typeName.substring(lastInnerClass + 1);
 778         // }
 779         // return typeName.toCharArray();
 780         // }
 781         //
 782         // /**
 783         // * Return the associated IField (Java model) for the given
 784         // * IJavaFieldVariable (JDI model)
 785         // */
 786         // private IField getField(IJavaFieldVariable variable) {
 787         // String varName= null;
 788         // try {
 789         // varName= variable.getName();
 790         // } catch (DebugException x) {
 791         // JDIDebugUIPlugin.log(x);
 792         // return null;
 793         // }
 794         // IField field;
 795         // List types= searchForDeclaringType(variable);
 796         // Iterator iter= types.iterator();
 797         // while (iter.hasNext()) {
 798         // IType type= (IType)iter.next();
 799         // field= type.getField(varName);
 800         // if (field.exists()) {
 801         // return field;
 802         // }
 803         // }
 804         // return null;
 805         // }
 806 }