archive/net.sourceforge.phpeclipse.wiki/src/net/sourceforge/phpeclipse/wiki/editor/WikiReconcilingStrategy.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.phpeclipse.wiki.editor;
  12
  13 import net.sourceforge.phpeclipse.wiki.editor.model.WikipediaOutlineParser;
  14 import net.sourceforge.phpeclipse.wiki.editor.model.WikipediaSection;
  15
  16 import org.eclipse.core.runtime.IProgressMonitor;
  17 import org.eclipse.jface.text.IDocument;
  18 import org.eclipse.jface.text.IRegion;
  19 import org.eclipse.jface.text.reconciler.DirtyRegion;
  20 import org.eclipse.jface.text.reconciler.IReconcilingStrategy;
  21 import org.eclipse.jface.text.reconciler.IReconcilingStrategyExtension;
  22 import org.eclipse.swt.widgets.Shell;
  23
  24
  25
  26 public class WikiReconcilingStrategy implements IReconcilingStrategy, IReconcilingStrategyExtension {
  27
  28         private WikiEditor fEditor;
  29         private IDocument fDocument;
  30         private IProgressMonitor fProgressMonitor;
  31
  32         private WikipediaOutlineParser fParser;
  33         private WikiFoldingStructureProvider fFoldingStructureProvider;
  34
  35         public WikiReconcilingStrategy(WikiEditor editor) {
  36                 fEditor= editor;
  37                 fParser= new WikipediaOutlineParser();
  38                 fFoldingStructureProvider= new WikiFoldingStructureProvider(editor);
  39         }
  40
  41         public void setDocument(IDocument document) {
  42                 fDocument= document;
  43                 fFoldingStructureProvider.setDocument(fDocument);
  44         }
  45
  46         public void setProgressMonitor(IProgressMonitor monitor) {
  47                 fProgressMonitor= monitor;
  48                 fFoldingStructureProvider.setProgressMonitor(fProgressMonitor);
  49         }
  50
  51         public void reconcile(DirtyRegion dirtyRegion, IRegion subRegion) {
  52                 reconcile();
  53         }
  54
  55         public void reconcile(IRegion partition) {
  56                 reconcile();
  57         }
  58
  59         public void initialReconcile() {
  60                 reconcile();
  61         }
  62
  63         private void reconcile() {
  64                 final WikipediaSection section= fParser.parse(fDocument);
  65                 if (section == null)
  66                         return;
  67
  68                 Shell shell= fEditor.getSite().getShell();
  69                 if (shell == null || shell.isDisposed())
  70                         return;
  71
  72                 shell.getDisplay().asyncExec(new Runnable() {
  73                         public void run() {
  74                                 fEditor.setSection(section);
  75                         }
  76                 });
  77                 fFoldingStructureProvider.updateFoldingRegions(section);
  78         }
  79 }