net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/ui/text/CompositeReconcilingStrategy.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 package net.sourceforge.phpdt.internal.ui.text;
  12
  13 import org.eclipse.core.runtime.IProgressMonitor;
  14
  15 import org.eclipse.jface.text.IDocument;
  16 import org.eclipse.jface.text.IRegion;
  17 import org.eclipse.jface.text.reconciler.DirtyRegion;
  18 import org.eclipse.jface.text.reconciler.IReconcilingStrategy;
  19 import org.eclipse.jface.text.reconciler.IReconcilingStrategyExtension;
  20
  21 /**
  22  * A reconciling strategy consisting of a sequence of internal reconciling strategies.
  23  * By default, all requests are passed on to the contained strategies.
  24  *
  25  * @since 3.0
  26  */
  27 public class CompositeReconcilingStrategy  implements IReconcilingStrategy, IReconcilingStrategyExtension {
  28
  29         /** The list of internal reconciling strategies. */
  30         private IReconcilingStrategy[] fStrategies;
  31
  32         /**
  33          * Creates a new, empty composite reconciling strategy.
  34          */
  35         public CompositeReconcilingStrategy() {
  36         }
  37
  38         /**
  39          * Sets the reconciling strategies for this composite strategy.
  40          *
  41          * @param strategies the strategies to be set or <code>null</code>
  42          */
  43         public void setReconcilingStrategies(IReconcilingStrategy[] strategies) {
  44                 fStrategies= strategies;
  45         }
  46
  47         /**
  48          * Returns the previously set stratgies or <code>null</code>.
  49          *
  50          * @return the contained strategies or <code>null</code>
  51          */
  52         public IReconcilingStrategy[] getReconcilingStrategies() {
  53                 return fStrategies;
  54         }
  55
  56         /*
  57          * @see org.eclipse.jface.text.reconciler.IReconcilingStrategy#setDocument(org.eclipse.jface.text.IDocument)
  58          */
  59         public void setDocument(IDocument document) {
  60                 if (fStrategies == null)
  61                         return;
  62
  63                 for (int i= 0; i < fStrategies.length; i++)
  64                         fStrategies[i].setDocument(document);
  65         }
  66
  67         /*
  68          * @see org.eclipse.jface.text.reconciler.IReconcilingStrategy#reconcile(org.eclipse.jface.text.reconciler.DirtyRegion, org.eclipse.jface.text.IRegion)
  69          */
  70         public void reconcile(DirtyRegion dirtyRegion, IRegion subRegion) {
  71                 if (fStrategies == null)
  72                         return;
  73
  74                 for (int i= 0; i < fStrategies.length; i++)
  75                         fStrategies[i].reconcile(dirtyRegion, subRegion);
  76         }
  77
  78         /*
  79          * @see org.eclipse.jface.text.reconciler.IReconcilingStrategy#reconcile(org.eclipse.jface.text.IRegion)
  80          */
  81         public void reconcile(IRegion partition) {
  82                 if (fStrategies == null)
  83                         return;
  84
  85                 for (int i= 0; i < fStrategies.length; i++)
  86                         fStrategies[i].reconcile(partition);
  87         }
  88
  89         /*
  90          * @see org.eclipse.jface.text.reconciler.IReconcilingStrategyExtension#setProgressMonitor(org.eclipse.core.runtime.IProgressMonitor)
  91          */
  92         public void setProgressMonitor(IProgressMonitor monitor) {
  93                 if (fStrategies == null)
  94                         return;
  95
  96                 for (int i=0; i < fStrategies.length; i++) {
  97                         if (fStrategies[i] instanceof IReconcilingStrategyExtension) {
  98                                 IReconcilingStrategyExtension extension= (IReconcilingStrategyExtension) fStrategies[i];
  99                                 extension.setProgressMonitor(monitor);
 100                         }
 101                 }
 102         }
 103
 104         /*
 105          * @see org.eclipse.jface.text.reconciler.IReconcilingStrategyExtension#initialReconcile()
 106          */
 107         public void initialReconcile() {
 108                 if (fStrategies == null)
 109                         return;
 110
 111                 for (int i=0; i < fStrategies.length; i++) {
 112                         if (fStrategies[i] instanceof IReconcilingStrategyExtension) {
 113                                 IReconcilingStrategyExtension extension= (IReconcilingStrategyExtension) fStrategies[i];
 114                                 extension.initialReconcile();
 115                         }
 116                 }
 117         }
 118 }