perleditorsourceviewerconfiguration.java

<Apress.The.Definitive.Guide.to.SWT.and.JFace.eBook-LiB>书籍配套源代码

package examples.ch18.perledit.source;

import org.eclipse.jface.text.IDocument;
import org.eclipse.jface.text.presentation.*;
import org.eclipse.jface.text.rules.*;
import org.eclipse.jface.text.source.ISourceViewer;
import org.eclipse.jface.text.source.SourceViewerConfiguration;

import examples.ch18.perledit.PerlEditor;

/**
 * This class provides the source viewer configuration
 */
public class PerlEditorSourceViewerConfiguration extends
    SourceViewerConfiguration {
  /**
   * Gets the presentation reconciler. This will color the code.
   */
  public IPresentationReconciler getPresentationReconciler(
      ISourceViewer sourceViewer) {
    // Create the presentation reconciler
    PresentationReconciler reconciler = new PresentationReconciler();
    reconciler
        .setDocumentPartitioning(getConfiguredDocumentPartitioning(sourceViewer));

    // Create the damager/repairer for comment partitions
    DefaultDamagerRepairer dr = new DefaultDamagerRepairer(new CommentScanner());
    reconciler.setDamager(dr, PerlPartitionScanner.COMMENT);
    reconciler.setRepairer(dr, PerlPartitionScanner.COMMENT);

    // Create the damager/repairer for default
    dr = new DefaultDamagerRepairer(PerlEditor.getApp().getCodeScanner());
    reconciler.setDamager(dr, IDocument.DEFAULT_CONTENT_TYPE);
    reconciler.setRepairer(dr, IDocument.DEFAULT_CONTENT_TYPE);

    return reconciler;
  }

  /**
   * Gets the configured document partitioning
   * 
   * @return String
   */
  public String getConfiguredDocumentPartitioning(ISourceViewer sourceViewer) {
    return PerlEditor.PERL_PARTITIONING;
  }

  /**
   * Gets the configured partition types
   * 
   * @return String[]
   */
  public String[] getConfiguredContentTypes(ISourceViewer sourceViewer) {
    return new String[] { IDocument.DEFAULT_CONTENT_TYPE,
        PerlPartitionScanner.COMMENT};
  }
}