eclipseprojects/eu.etaxonomy.taxeditor.prototype2/src/eu/etaxonomy/taxeditor/prototype2/view/NameViewer.java

   1 package eu.etaxonomy.taxeditor.prototype2.view;
   2
   3 import java.util.Iterator;
   4
   5 import org.eclipse.jface.text.Document;
   6 import org.eclipse.jface.text.Position;
   7 import org.eclipse.jface.text.source.Annotation;
   8 import org.eclipse.jface.text.source.AnnotationModel;
   9 import org.eclipse.jface.text.source.AnnotationPainter;
  10 import org.eclipse.jface.text.source.IAnnotationAccess;
  11 import org.eclipse.jface.text.source.SourceViewer;
  12 import org.eclipse.swt.SWT;
  13 import org.eclipse.swt.graphics.Color;
  14 import org.eclipse.swt.widgets.Composite;
  15 import org.eclipse.swt.widgets.Display;
  16
  17 import eu.etaxonomy.taxeditor.prototype2.view.nameviewersupport.AnnotationMarkerAccess;
  18 import eu.etaxonomy.taxeditor.prototype2.view.nameviewersupport.ErrorAnnotation;
  19 import eu.etaxonomy.taxeditor.prototype2.view.nameviewersupport.WarningAnnotation;
  20
  21 /**
  22  * SourceViewer implementation called by NameEditorView.
  23  *
  24  * @author p.ciardelli
  25  *
  26  */
  27 public class NameViewer extends SourceViewer {
  28
  29         public NameViewer(Composite parent) {
  30                 super(parent, null, SWT.WRAP | SWT.MULTI | SWT.RESIZE);
  31
  32                 // Set name viewer's text to name cache
  33                 this.setDocument(new Document(""), new AnnotationModel());
  34
  35                 // Annotations section
  36                 IAnnotationAccess fAnnotationAccess = new AnnotationMarkerAccess();
  37
  38                 // To paint the annotations
  39                 AnnotationPainter annotationPainter = new AnnotationPainter(this, fAnnotationAccess);
  40
  41                 // Add ability to paint red squigglies
  42                 annotationPainter.addAnnotationType(ErrorAnnotation.ERROR_TYPE);
  43                 annotationPainter.setAnnotationTypeColor(ErrorAnnotation.ERROR_TYPE,
  44                                 new Color(Display.getDefault(), ErrorAnnotation.ERROR_RGB));
  45
  46                 // Add ability to paint yellow squigglies
  47                 annotationPainter.addAnnotationType(WarningAnnotation.WARNING_TYPE);
  48                 annotationPainter.setAnnotationTypeColor(WarningAnnotation.WARNING_TYPE,
  49                                 new Color(Display.getDefault(), WarningAnnotation.WARNING_RGB));
  50
  51                 this.addPainter(annotationPainter);
  52         }
  53
  54         public void setShowError(boolean hasProblem) {
  55
  56                 String text = this.getTextWidget().getText();
  57
  58                 Iterator<Annotation> annotations = this.getAnnotationModel().getAnnotationIterator();
  59                 while (annotations.hasNext()) {
  60                         Annotation annotation = annotations.next();
  61                         if (annotation.getType().equals(ErrorAnnotation.ERROR_TYPE))
  62                                 this.getAnnotationModel().removeAnnotation(annotation);
  63                 }
  64
  65                 // Failed attempt to get multi-line squigglies drawn
  66                 if (hasProblem && text.length() > 0) {
  67                         for (int i = 1; i <= this.getTextWidget().getLineCount(); i++) {
  68                                 this.getAnnotationModel().addAnnotation(
  69                                                 new ErrorAnnotation(i, "Could not parse name."),
  70                                                 new Position(0, text.length()));
  71                         }
  72                 }
  73         }
  74 }