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