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