/**
* Attaches a coverage annotation model for the given editor if the editor can be annotated. Does
* nothing if the model is already attached.
*
* @param editor Editor to attach a annotation model to
*/
public static boolean attach(ITextEditor editor) {
IDocumentProvider provider = editor.getDocumentProvider();
IEditorInput input = editor.getEditorInput();
if (provider != null && input instanceof FileEditorInput) {
IAnnotationModel model = provider.getAnnotationModel(input);
if (model instanceof IAnnotationModelExtension) {
IAnnotationModelExtension modelex = (IAnnotationModelExtension) model;
ColorAnnotationModel colormodel = (ColorAnnotationModel) modelex.getAnnotationModel(KEY);
if (colormodel == null) {
IFile file = ((FileEditorInput) input).getFile();
IFeatureProject project = CorePlugin.getFeatureProject(file);
if (project != null
&& project.getComposer() != null
&& project.getComposer().needColor()) {
IDocument document = provider.getDocument(input);
colormodel = new ColorAnnotationModel(document, file, project, editor);
modelex.addAnnotationModel(KEY, colormodel);
return true;
}
} else {
colormodel.updateAnnotations(!editor.isDirty());
}
}
}
return false;
}
@Override
public void documentChanged(DocumentEvent event) {
IDocument newDoc = event.getDocument();
if (docLines != newDoc.getNumberOfLines()) {
updateAnnotations(false);
docLines = newDoc.getNumberOfLines();
docLength = newDoc.getLength();
} else {
changeAnnotations(event.getOffset(), newDoc.getLength());
}
}
private ColorAnnotationModel(
IDocument document, IFile file, IFeatureProject project, ITextEditor editor) {
this.document = document;
this.project = project;
this.file = file;
composer = project.getComposer();
composer.initialize(project);
docLines = document.getNumberOfLines();
docLength = document.getLength();
updateAnnotations(true);
editor.addPropertyListener(
new IPropertyListener() {
@Override
public void propertyChanged(Object source, int propId) {
if (propId == IEditorPart.PROP_DIRTY && !((ITextEditor) source).isDirty()) {
updateAnnotations(true);
}
}
});
}