/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*/
package org.apache.directory.studio.ldapbrowser.common.filtereditor;
import java.util.ArrayList;
import java.util.List;
import org.apache.directory.studio.ldapbrowser.common.BrowserCommonActivator;
import org.apache.directory.studio.ldapbrowser.core.model.filter.LdapFilter;
import org.apache.directory.studio.ldapbrowser.core.model.filter.parser.LdapFilterParser;
import org.apache.directory.studio.ldapbrowser.core.model.filter.parser.LdapFilterToken;
import org.eclipse.jface.text.IDocument;
import org.eclipse.jface.text.IRegion;
import org.eclipse.jface.text.PaintManager;
import org.eclipse.jface.text.Position;
import org.eclipse.jface.text.reconciler.DirtyRegion;
import org.eclipse.jface.text.reconciler.IReconcilingStrategy;
import org.eclipse.jface.text.source.Annotation;
import org.eclipse.jface.text.source.AnnotationModel;
import org.eclipse.jface.text.source.AnnotationPainter;
import org.eclipse.jface.text.source.IAnnotationModel;
import org.eclipse.jface.text.source.IAnnotationModelExtension;
import org.eclipse.jface.text.source.ISourceViewer;
import org.eclipse.jface.text.source.MatchingCharacterPainter;
import org.eclipse.swt.graphics.RGB;
/**
* The FilterReconcilingStrategy is used to maintain the error annotations
* (red squirrels).
*
* @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
* @version $Rev$, $Date$
*/
public class FilterReconcilingStrategy implements IReconcilingStrategy
{
/** The source viewer. */
private ISourceViewer sourceViewer;
/** The filter parser. */
private LdapFilterParser parser;
/** The paint manager. */
private PaintManager paintManager;
/**
* Creates a new instance of FilterReconcilingStrategy.
*
* @param sourceViewer the source viewer
* @param parser the filter parser
*/
public FilterReconcilingStrategy( ISourceViewer sourceViewer, LdapFilterParser parser )
{
this.sourceViewer = sourceViewer;
this.parser = parser;
this.paintManager = null;
}
/**
* @see org.eclipse.jface.text.reconciler.IReconcilingStrategy#setDocument(org.eclipse.jface.text.IDocument)
*/
public void setDocument( IDocument document )
{
if ( sourceViewer.getAnnotationModel() == null )
{
IAnnotationModel model = new AnnotationModel();
sourceViewer.setDocument( sourceViewer.getDocument(), model );
}
// add annotation painter
if ( paintManager == null && sourceViewer.getAnnotationModel() instanceof IAnnotationModelExtension )
{
AnnotationPainter ap = new AnnotationPainter( sourceViewer, null );
ap.addAnnotationType( "DEFAULT" ); //$NON-NLS-1$
ap.setAnnotationTypeColor( "DEFAULT", BrowserCommonActivator.getDefault().getColor( new RGB( 255, 0, 0 ) ) ); //$NON-NLS-1$
sourceViewer.getAnnotationModel().addAnnotationModelListener( ap );
FilterCharacterPairMatcher cpm = new FilterCharacterPairMatcher( sourceViewer, parser );
MatchingCharacterPainter mcp = new MatchingCharacterPainter( sourceViewer, cpm );
mcp.setColor( BrowserCommonActivator.getDefault().getColor( new RGB( 159, 159, 159 ) ) );
paintManager = new PaintManager( sourceViewer );
paintManager.addPainter( ap );
paintManager.addPainter( mcp );
}
}
/**
* @see org.eclipse.jface.text.reconciler.IReconcilingStrategy#reconcile(org.eclipse.jface.text.reconciler.DirtyRegion, org.eclipse.jface.text.IRegion)
*/
public void reconcile( DirtyRegion dirtyRegion, IRegion subRegion )
{
reconcile( dirtyRegion );
}
/**
* @see org.eclipse.jface.text.reconciler.IReconcilingStrategy#reconcile(org.eclipse.jface.text.IRegion)
*/
public void reconcile( IRegion partition )
{
LdapFilterToken[] tokens = parser.getModel().getTokens();
// annotations
if ( sourceViewer.getAnnotationModel() instanceof IAnnotationModelExtension )
{
( ( IAnnotationModelExtension ) sourceViewer.getAnnotationModel() ).removeAllAnnotations();
List<Position> positionList = new ArrayList<Position>();
LdapFilter[] invalidFilters = parser.getModel().getInvalidFilters();
for ( int i = 0; i < invalidFilters.length; i++ )
{
if ( invalidFilters[i].getStartToken() != null )
{
int start = invalidFilters[i].getStartToken().getOffset();
int stop = invalidFilters[i].getStopToken() != null ? invalidFilters[i].getStopToken().getOffset()
+ invalidFilters[i].getStopToken().getLength() : start
+ invalidFilters[i].getStartToken().getLength();
Annotation annotation = new Annotation( "DEFAULT", true, invalidFilters[i].toString() ); //$NON-NLS-1$
Position position = new Position( start, stop - start );
positionList.add( position );
sourceViewer.getAnnotationModel().addAnnotation( annotation, position );
}
}
for ( int i = 0; i < tokens.length; i++ )
{
if ( tokens[i].getType() == LdapFilterToken.ERROR )
{
boolean overlaps = false;
for ( int k = 0; k < positionList.size(); k++ )
{
Position pos = positionList.get( k );
if ( pos.overlapsWith( tokens[i].getOffset(), tokens[i].getLength() ) )
{
overlaps = true;
break;
}
}
if ( !overlaps )
{
Annotation annotation = new Annotation( "DEFAULT", true, tokens[i].getValue() ); //$NON-NLS-1$
Position position = new Position( tokens[i].getOffset(), tokens[i].getLength() );
sourceViewer.getAnnotationModel().addAnnotation( annotation, position );
}
}
}
}
}
}