/**
* Updates the occurrences annotations based on the current selection.
*
* @param selection the text selection
* @param module
* @param astRoot the compilation unit AST
* @since 3.0
*/
protected void updateOccurrenceAnnotations(
final ITextSelection selection, final IErlModule module) {
if (fOccurrencesFinderJob != null) {
fOccurrencesFinderJob.cancel();
}
if (!fMarkOccurrenceAnnotations) {
return;
}
if (module == null || selection == null) {
return;
}
final IDocument document = erlangEditor.getViewer().getDocument();
if (document == null) {
return;
}
boolean hasChanged = false;
final int offset = selection.getOffset();
if (document instanceof IDocumentExtension4) {
final long currentModificationStamp = ((IDocumentExtension4) document).getModificationStamp();
final IRegion markOccurrenceTargetRegion = fMarkOccurrenceTargetRegion;
hasChanged = currentModificationStamp != fMarkOccurrenceModificationStamp;
if (markOccurrenceTargetRegion != null && !hasChanged) {
if (markOccurrenceTargetRegion.getOffset() <= offset
&& offset
<= markOccurrenceTargetRegion.getOffset()
+ markOccurrenceTargetRegion.getLength()) {
return;
}
}
fMarkOccurrenceTargetRegion = ErlangWordFinder.findWord(module, erlangEditor, offset);
fMarkOccurrenceModificationStamp = currentModificationStamp;
}
if (fOccurrencesFinderJob != null) {
fOccurrencesFinderJob.cancel();
}
fOccurrencesFinderJob = new OccurrencesFinderJob(document, module, selection, hasChanged);
fOccurrencesFinderJob.setPriority(Job.DECORATE);
fOccurrencesFinderJob.setSystem(true);
fOccurrencesFinderJob.schedule();
// fOccurrencesFinderJob.run(new NullProgressMonitor());
}
protected void uninstallOccurrencesFinder() {
fMarkOccurrenceAnnotations = false;
if (fOccurrencesFinderJob != null) {
fOccurrencesFinderJob.cancel();
fOccurrencesFinderJob = null;
}
if (fOccurrencesFinderJobCanceler != null) {
fOccurrencesFinderJobCanceler.uninstall();
fOccurrencesFinderJobCanceler = null;
}
if (fPostSelectionListenerWithAST != null) {
SelectionListenerWithASTManager.getDefault()
.removeListener(editor, fPostSelectionListenerWithAST);
fPostSelectionListenerWithAST = null;
}
removeOccurrenceAnnotations();
}
protected void uninstallOccurrencesFinder() {
fMarkOccurrenceAnnotations = false;
if (fOccurrencesFinderJob != null) {
fOccurrencesFinderJob.cancel();
fOccurrencesFinderJob = null;
}
if (fOccurrencesFinderJobCanceler != null) {
fOccurrencesFinderJobCanceler.uninstall();
fOccurrencesFinderJobCanceler = null;
}
if (fPostSelectionListener != null) {
((IPostSelectionProvider) erlangEditor.getSelectionProvider())
.removePostSelectionChangedListener(fPostSelectionListener);
fPostSelectionListener = null;
}
erlangEditor.markOccurencesHandler.removeOccurrenceAnnotations();
}
/**
* Updates the occurrences annotations based on the current selection.
*
* @param selection The text selection
* @param ast An AST
*/
protected void updateOccurrenceAnnotations(ITextSelection selection, Program ast) {
if (fOccurrencesFinderJob != null) fOccurrencesFinderJob.cancel();
if (!fMarkOccurrenceAnnotations) return;
if (ast == null || selection == null) return;
if (!ast.isBindingCompleted()) {
TypeBindingBuilder.buildBindings(ast);
}
IDocument document = editor.getISourceViewer().getDocument();
if (document == null) return;
// TODO: Shalom - Replace this to do a real check whether this script was already reconciled
if (document.getLength() != ast.getEnd()) {
return;
}
boolean hasChanged = false;
if (document instanceof IDocumentExtension4) {
int offset = selection.getOffset();
long currentModificationStamp = ((IDocumentExtension4) document).getModificationStamp();
IRegion markOccurrenceTargetRegion = fMarkOccurrenceTargetRegion;
hasChanged = currentModificationStamp != fMarkOccurrenceModificationStamp;
if (markOccurrenceTargetRegion != null && !hasChanged) {
if (markOccurrenceTargetRegion.getOffset() <= offset
&& offset
<= markOccurrenceTargetRegion.getOffset() + markOccurrenceTargetRegion.getLength())
return;
}
fMarkOccurrenceTargetRegion = ScriptWordFinder.findWord(document, offset);
fMarkOccurrenceModificationStamp = currentModificationStamp;
}
OccurrenceLocation[] locations = null;
ASTNode selectedNode = NodeFinder.perform(ast, selection.getOffset(), selection.getLength());
// if (locations == null && fMarkExceptions)
// {
// TODO: Shalom - Implement
// }
if (locations == null && fMarkMethodExitPoints) {
IOccurrencesFinder finder = OccurrencesFinderFactory.createMethodExitsFinder();
if (finder.initialize(ast, selectedNode) == null) {
locations = finder.getOccurrences();
}
}
if (locations == null && fMarkImplementors) {
IOccurrencesFinder finder = OccurrencesFinderFactory.createIncludeFinder();
if (finder.initialize(ast, selectedNode) == null) {
locations = finder.getOccurrences();
}
}
if (locations == null && fMarkBreakContinueTargets) {
IOccurrencesFinder finder = OccurrencesFinderFactory.createBreakContinueTargetFinder();
if (finder.initialize(ast, selectedNode) == null) {
locations = finder.getOccurrences();
}
}
if (locations == null && fMarkImplementors) {
IOccurrencesFinder finder = OccurrencesFinderFactory.createImplementorsOccurrencesFinder();
if (finder.initialize(ast, selectedNode) == null) {
locations = finder.getOccurrences();
}
}
if (selectedNode != null && selectedNode.getType() == ASTNode.VARIABLE) {
final Expression name = ((Variable) selectedNode).getName();
if (name instanceof Identifier) {
selectedNode = name;
}
}
if (locations == null
&& selectedNode != null
&& (selectedNode instanceof Identifier || (isNonStringScalar(selectedNode)))) {
int type = PhpElementConciliator.concile(selectedNode);
if (isMarkingOccurrencesFor(type)) {
IOccurrencesFinder finder = OccurrencesFinderFactory.getOccurrencesFinder(type);
if (finder != null) {
if (finder.initialize(ast, selectedNode) == null) {
locations = finder.getOccurrences();
}
}
}
}
if (locations == null) {
if (!fStickyOccurrenceAnnotations) {
removeOccurrenceAnnotations();
} else if (hasChanged) // check consistency of current annotations
{
removeOccurrenceAnnotations();
}
return;
}
fOccurrencesFinderJob = new OccurrencesFinderJob(document, locations, selection);
fOccurrencesFinderJob.setPriority(Job.DECORATE);
fOccurrencesFinderJob.schedule();
}
