/** Saves the code folding state into the given memento. */
public void saveCodeFolding(org.eclipse.ui.IMemento memento) {
java.util.Iterator<?> annotationIt = projectionAnnotationModel.getAnnotationIterator();
while (annotationIt.hasNext()) {
org.eclipse.jface.text.source.projection.ProjectionAnnotation annotation =
(org.eclipse.jface.text.source.projection.ProjectionAnnotation) annotationIt.next();
org.eclipse.ui.IMemento annotationMemento = memento.createChild(ANNOTATION);
org.eclipse.jface.text.Position position = projectionAnnotationModel.getPosition(annotation);
annotationMemento.putBoolean(IS_COLLAPSED, annotation.isCollapsed());
annotationMemento.putInteger(OFFSET, position.offset);
annotationMemento.putInteger(LENGTH, position.length);
}
}
/**
* Updates the annotations registered with this editor.
*
* @param positions
*/
public void updateFoldingStructure(ArrayList<Position> newPositions) {
Map<ProjectionAnnotation, Position> saveAllAnnotations =
new HashMap<ProjectionAnnotation, Position>();
saveAllAnnotations.putAll(curAnnotations);
try {
String setDefaultCollapsedProperty =
EclipseUtil.getPreferenceStore().getString(PluginConstants.T24_ALWAYS_COLLAPSE_REGION);
boolean setDefaultCollapsed = Boolean.parseBoolean(setDefaultCollapsedProperty);
// this will hold the new annotations along
// with their corresponding positions
Map<ProjectionAnnotation, Position> newAnnotations =
new HashMap<ProjectionAnnotation, Position>();
for (int i = 0; i < newPositions.size(); i++) {
ProjectionAnnotation an = annotationAlreadyExists((Position) newPositions.get(i));
ProjectionAnnotation annotation;
if (an == null) {
// The annotation doesn't exist yet, so create it brand new.
annotation = new ProjectionAnnotation();
annotation.setRangeIndication(false);
annotation.setText("Annotation " + i);
if (setDefaultCollapsed) {
annotation.markCollapsed();
} else {
annotation.markExpanded();
}
Position pos = newPositions.get(i);
newAnnotations.put(annotation, pos);
saveAllAnnotations.put(annotation, pos);
} else {
if (setDefaultCollapsed) {
an.markCollapsed();
} else {
an.markExpanded();
}
newAnnotations.put(an, newPositions.get(i));
saveAllAnnotations.put(an, newPositions.get(i));
}
}
Set<ProjectionAnnotation> keys = curAnnotations.keySet();
Iterator<ProjectionAnnotation> keyIt = keys.iterator();
Annotation[] annotations = new Annotation[curAnnotations.size()];
int annotationCount = 0;
while (keyIt.hasNext()) {
ProjectionAnnotation an = (ProjectionAnnotation) keyIt.next();
annotations[annotationCount++] = an;
saveAllAnnotations.remove(an);
}
if (annotationModel != null) {
annotationModel.modifyAnnotations(annotations, newAnnotations, null);
} else {
createAnnotationModel();
}
curAnnotations = saveAllAnnotations;
} catch (Exception e) {
e.printStackTrace();
}
}