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   1 /*******************************************************************************
   2  * Copyright (c) 2000, 2003 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.core;
  12
  13 import net.sourceforge.phpdt.core.IJavaElement;
  14 import net.sourceforge.phpdt.core.IJavaModelStatus;
  15 import net.sourceforge.phpdt.core.IJavaModelStatusConstants;
  16 import net.sourceforge.phpdt.core.IProblemRequestor;
  17 import net.sourceforge.phpdt.core.JavaModelException;
  18
  19 /**
  20  * Reconcile a working copy and signal the changes through a delta.
  21  */
  22 public class ReconcileWorkingCopyOperation extends JavaModelOperation {
  23
  24         boolean forceProblemDetection;
  25
  26         public ReconcileWorkingCopyOperation(IJavaElement workingCopy, boolean forceProblemDetection) {
  27                 super(new IJavaElement[] {workingCopy});
  28                 this.forceProblemDetection = forceProblemDetection;
  29         }
  30         /**
  31          * @exception JavaModelException if setting the source
  32          *      of the original compilation unit fails
  33          */
  34 //      protected void executeOperation() throws JavaModelException {
  35 //              if (fMonitor != null){
  36 //                      if (fMonitor.isCanceled()) return;
  37 //                      fMonitor.beginTask(Util.bind("element.reconciling"), 10); //$NON-NLS-1$
  38 //              }
  39 //
  40 //              WorkingCopy workingCopy = getWorkingCopy();
  41 //              boolean wasConsistent = workingCopy.isConsistent();
  42 //              JavaElementDeltaBuilder deltaBuilder = null;
  43 //
  44 //              try {
  45 //                      // create the delta builder (this remembers the current content of the cu)
  46 //                      if (!wasConsistent){
  47 //                              deltaBuilder = new JavaElementDeltaBuilder(workingCopy);
  48 //
  49 //                              // update the element infos with the content of the working copy
  50 //                              workingCopy.makeConsistent(fMonitor);
  51 //                              deltaBuilder.buildDeltas();
  52 //
  53 //                      }
  54 //
  55 //                      if (fMonitor != null) fMonitor.worked(2);
  56 //
  57 //                      // force problem detection? - if structure was consistent
  58 //                      if (forceProblemDetection && wasConsistent){
  59 //                              if (fMonitor != null && fMonitor.isCanceled()) return;
  60 //
  61 //                              IProblemRequestor problemRequestor = workingCopy.problemRequestor;
  62 //                              if (problemRequestor != null && problemRequestor.isActive()){
  63 //                                      problemRequestor.beginReporting();
  64 //                                      CompilationUnitProblemFinder.process(workingCopy, problemRequestor, fMonitor);
  65 //                                      problemRequestor.endReporting();
  66 //                              }
  67 //                      }
  68 //
  69 //                      // register the deltas
  70 //                      if (deltaBuilder != null){
  71 //                              if ((deltaBuilder.delta != null) && (deltaBuilder.delta.getAffectedChildren().length > 0)) {
  72 //                                      addReconcileDelta(workingCopy, deltaBuilder.delta);
  73 //                              }
  74 //                      }
  75 //              } finally {
  76 //                      if (fMonitor != null) fMonitor.done();
  77 //              }
  78 //      }
  79         protected void executeOperation() throws JavaModelException {
  80           // TODO jsurfer optimize for PHP
  81                 if (fMonitor != null){
  82                         if (fMonitor.isCanceled()) return;
  83                         fMonitor.beginTask(Util.bind("element.reconciling"), 10); //$NON-NLS-1$
  84                 }
  85
  86                 WorkingCopy workingCopy = getWorkingCopy();
  87 //              boolean wasConsistent = workingCopy.isConsistent();
  88 //              JavaElementDeltaBuilder deltaBuilder = null;
  89
  90                 try {
  91                         // create the delta builder (this remembers the current content of the cu)
  92 //                      if (!wasConsistent){
  93 //                              deltaBuilder = new JavaElementDeltaBuilder(workingCopy);
  94 //
  95 //                              // update the element infos with the content of the working copy
  96 //                              workingCopy.makeConsistent(fMonitor);
  97 //                              deltaBuilder.buildDeltas();
  98 //
  99 //                      }
 100
 101                         if (fMonitor != null) fMonitor.worked(2);
 102
 103                         // force problem detection? - if structure was consistent
 104                         if (forceProblemDetection){
 105                                 if (fMonitor != null && fMonitor.isCanceled()) return;
 106
 107                                 IProblemRequestor problemRequestor = workingCopy.problemRequestor;
 108                                 if (problemRequestor != null && problemRequestor.isActive()){
 109                                         problemRequestor.beginReporting();
 110                                         CompilationUnitProblemFinder.process(workingCopy, problemRequestor, fMonitor);
 111                                         problemRequestor.endReporting();
 112                                 }
 113                         }
 114
 115                         // register the deltas
 116 //                      if (deltaBuilder != null){
 117 //                              if ((deltaBuilder.delta != null) && (deltaBuilder.delta.getAffectedChildren().length > 0)) {
 118 //                                      addReconcileDelta(workingCopy, deltaBuilder.delta);
 119 //                              }
 120 //                      }
 121                 } finally {
 122                         if (fMonitor != null) fMonitor.done();
 123                 }
 124         }
 125         /**
 126          * Returns the working copy this operation is working on.
 127          */
 128         protected WorkingCopy getWorkingCopy() {
 129                 return (WorkingCopy)getElementToProcess();
 130         }
 131         /**
 132          * @see JavaModelOperation#isReadOnly
 133          */
 134         public boolean isReadOnly() {
 135                 return true;
 136         }
 137         protected IJavaModelStatus verify() {
 138                 IJavaModelStatus status = super.verify();
 139                 if (!status.isOK()) {
 140                         return status;
 141                 }
 142                 WorkingCopy workingCopy = getWorkingCopy();
 143                 if (workingCopy.useCount == 0) {
 144                         return new JavaModelStatus(IJavaModelStatusConstants.ELEMENT_DOES_NOT_EXIST, workingCopy); //was destroyed
 145                 }
 146                 return status;
 147         }
 148
 149
 150 }