/** Restores the code folding state information from the given memento. */
public void restoreCodeFolding(org.eclipse.ui.IMemento memento) {
if (memento == null) {
return;
}
org.eclipse.ui.IMemento[] annotationMementos = memento.getChildren(ANNOTATION);
if (annotationMementos == null) {
return;
}
java.util.Map<org.eclipse.jface.text.source.projection.ProjectionAnnotation, Boolean>
collapsedStates =
new java.util.LinkedHashMap<
org.eclipse.jface.text.source.projection.ProjectionAnnotation, Boolean>();
for (org.eclipse.ui.IMemento annotationMemento : annotationMementos) {
org.eclipse.jface.text.source.projection.ProjectionAnnotation annotation =
new org.eclipse.jface.text.source.projection.ProjectionAnnotation();
collapsedStates.put(annotation, annotationMemento.getBoolean(IS_COLLAPSED));
int offset = annotationMemento.getInteger(OFFSET);
int length = annotationMemento.getInteger(LENGTH);
org.eclipse.jface.text.Position position =
new org.eclipse.jface.text.Position(offset, length);
projectionAnnotationModel.addAnnotation(annotation, position);
}
// postset collapse state to prevent wrong displaying folding code.
for (org.eclipse.jface.text.source.projection.ProjectionAnnotation annotation :
collapsedStates.keySet()) {
Boolean isCollapsed = collapsedStates.get(annotation);
if (isCollapsed != null && isCollapsed.booleanValue()) {
projectionAnnotationModel.collapse(annotation);
}
}
}
