@SuppressWarnings("unchecked")
protected Severity getSeverity(XtextEditor xtextEditor) {
if (xtextEditor == null || xtextEditor.getInternalSourceViewer() == null) return null;
IAnnotationModel model = xtextEditor.getInternalSourceViewer().getAnnotationModel();
if (model != null) {
Iterator<Annotation> iterator = model.getAnnotationIterator();
boolean hasWarnings = false;
boolean hasInfos = false;
while (iterator.hasNext()) {
Annotation annotation = iterator.next();
if (!annotation.isMarkedDeleted()) {
Issue issue = issueUtil.getIssueFromAnnotation(annotation);
if (issue != null) {
if (issue.getSeverity() == Severity.ERROR) {
return Severity.ERROR;
} else if (issue.getSeverity() == Severity.WARNING) {
hasWarnings = true;
} else if (issue.getSeverity() == Severity.INFO) {
hasInfos = true;
}
}
}
}
if (hasWarnings) return Severity.WARNING;
if (hasInfos) return Severity.INFO;
}
return null;
}
@Override
public void beforeDispose(XtextEditor xtextEditor) {
unregisterListener();
if (this.editor != null) {
if (defaultImage != null && !defaultImage.isDisposed())
editor.updatedTitleImage(defaultImage); // otherwise we'll leak the defaultImage
this.editor = null;
}
}
protected void updateEditorImage(XtextEditor xtextEditor) {
Severity severity = getSeverity(xtextEditor);
if (severity == previousSeverity) return;
previousSeverity = severity;
if (severity != null && severity != Severity.INFO) {
ImageDescriptor descriptor =
severity == Severity.ERROR
? XtextPluginImages.DESC_OVR_ERROR
: XtextPluginImages.DESC_OVR_WARNING;
DecorationOverlayIcon decorationOverlayIcon =
new DecorationOverlayIcon(defaultImage, descriptor, IDecoration.BOTTOM_LEFT);
Image decoratedImage = imageHelper.getImage(decorationOverlayIcon);
if (xtextEditor.getTitleImage() != decoratedImage) {
scheduleUpdateEditorJob(decoratedImage);
}
} else {
scheduleUpdateEditorJob(defaultImage);
}
}
protected void updateImageAndRegisterListener() {
defaultImage = editor.getDefaultImage();
updateEditorImage(editor);
annotationModel = editor.getInternalSourceViewer().getAnnotationModel();
if (annotationModel != null) annotationModel.addAnnotationModelListener(this);
}
