net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/ui/text/JavaReconciler.java

   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
  12 package net.sourceforge.phpdt.internal.ui.text;
  13
  14
  15 import net.sourceforge.phpdt.internal.ui.text.java.JavaReconcilingStrategy;
  16
  17 import org.eclipse.jface.text.IDocument;
  18 import org.eclipse.jface.text.ITextViewer;
  19 import org.eclipse.jface.text.reconciler.IReconcilingStrategy;
  20 import org.eclipse.jface.text.reconciler.MonoReconciler;
  21 import org.eclipse.ui.IPartListener;
  22 import org.eclipse.ui.IWorkbenchPart;
  23 import org.eclipse.ui.IWorkbenchPartSite;
  24 import org.eclipse.ui.IWorkbenchWindow;
  25 import org.eclipse.ui.texteditor.ITextEditor;
  26
  27
  28
  29 /**
  30  * A reconciler that is also activated on editor activation.
  31  */
  32 public class JavaReconciler extends MonoReconciler {
  33
  34         /**
  35          * Internal part listener for activating the reconciler.
  36          */
  37         class PartListener implements IPartListener {
  38
  39                 /*
  40                  * @see IPartListener#partActivated(IWorkbenchPart)
  41                  */
  42                 public void partActivated(IWorkbenchPart part) {
  43                         if (part == fTextEditor)
  44                                 JavaReconciler.this.forceReconciling();
  45                 }
  46
  47                 /*
  48                  * @see IPartListener#partBroughtToTop(IWorkbenchPart)
  49                  */
  50                 public void partBroughtToTop(IWorkbenchPart part) {
  51                 }
  52
  53                 /*
  54                  * @see IPartListener#partClosed(IWorkbenchPart)
  55                  */
  56                 public void partClosed(IWorkbenchPart part) {
  57                 }
  58
  59                 /*
  60                  * @see IPartListener#partDeactivated(IWorkbenchPart)
  61                  */
  62                 public void partDeactivated(IWorkbenchPart part) {
  63                 }
  64
  65                 /*
  66                  * @see IPartListener#partOpened(IWorkbenchPart)
  67                  */
  68                 public void partOpened(IWorkbenchPart part) {
  69                 }
  70         };
  71
  72
  73         /** The reconciler's editor */
  74         private ITextEditor fTextEditor;
  75         /** The part listener */
  76         private IPartListener fPartListener;
  77
  78
  79         /**
  80          * Creates a new reconciler.
  81          */
  82         public JavaReconciler(ITextEditor editor, IReconcilingStrategy strategy, boolean isIncremental) {
  83                 super(strategy, isIncremental);
  84                 fTextEditor= editor;
  85         }
  86
  87         /*
  88          * @see IReconciler#install(ITextViewer)
  89          */
  90         public void install(ITextViewer textViewer) {
  91                 super.install(textViewer);
  92
  93                 fPartListener= new PartListener();
  94                 IWorkbenchPartSite site= fTextEditor.getSite();
  95                 IWorkbenchWindow window= site.getWorkbenchWindow();
  96                 window.getPartService().addPartListener(fPartListener);
  97         }
  98
  99         /*
 100          * @see IReconciler#uninstall()
 101          */
 102         public void uninstall() {
 103
 104                 IWorkbenchPartSite site= fTextEditor.getSite();
 105                 IWorkbenchWindow window= site.getWorkbenchWindow();
 106                 window.getPartService().removePartListener(fPartListener);
 107                 fPartListener= null;
 108
 109                 super.uninstall();
 110         }
 111
 112     /*
 113          * @see AbstractReconciler#forceReconciling()
 114          */
 115         protected void forceReconciling() {
 116                 super.forceReconciling();
 117         IReconcilingStrategy strategy= getReconcilingStrategy(IDocument.DEFAULT_CONTENT_TYPE);
 118         if (strategy instanceof JavaReconcilingStrategy) {
 119                         JavaReconcilingStrategy java= (JavaReconcilingStrategy) strategy;
 120                         java.notifyParticipants(false);
 121                 }
 122         }
 123
 124         /*
 125          * @see AbstractReconciler#reconcilerReset()
 126          */
 127         protected void reconcilerReset() {
 128                 super.reconcilerReset();
 129         IReconcilingStrategy strategy= getReconcilingStrategy(IDocument.DEFAULT_CONTENT_TYPE);
 130         if (strategy instanceof JavaReconcilingStrategy) {
 131                         JavaReconcilingStrategy java= (JavaReconcilingStrategy) strategy;
 132                         java.notifyParticipants(true);
 133                 }
 134         }
 135 }