/**
* Resolves the {@link IBreakpoint} from the given editor and ruler information. Returns <code>
* null</code> if no breakpoint exists or the operation fails.
*
* @param editor the editor
* @param info the current ruler information
* @return the {@link IBreakpoint} from the current editor position or <code>null</code>
*/
protected IBreakpoint getBreakpointFromEditor(ITextEditor editor, IVerticalRulerInfo info) {
IAnnotationModel annotationModel =
editor.getDocumentProvider().getAnnotationModel(editor.getEditorInput());
IDocument document = editor.getDocumentProvider().getDocument(editor.getEditorInput());
if (annotationModel != null) {
@SuppressWarnings("unchecked")
Iterator<Annotation> iterator = annotationModel.getAnnotationIterator();
while (iterator.hasNext()) {
Object object = iterator.next();
if (object instanceof SimpleMarkerAnnotation) {
SimpleMarkerAnnotation markerAnnotation = (SimpleMarkerAnnotation) object;
IMarker marker = markerAnnotation.getMarker();
try {
if (marker.isSubtypeOf(IBreakpoint.BREAKPOINT_MARKER)) {
Position position = annotationModel.getPosition(markerAnnotation);
int line = document.getLineOfOffset(position.getOffset());
if (line == info.getLineOfLastMouseButtonActivity()) {
IBreakpoint breakpoint =
DebugPlugin.getDefault().getBreakpointManager().getBreakpoint(marker);
if (breakpoint != null) {
return breakpoint;
}
}
}
} catch (CoreException e) {
} catch (BadLocationException e) {
}
}
}
}
return null;
}
/**
* Checks whether a position includes the ruler's line of activity.
*
* @param position the position to be checked
* @param document the document the position refers to
* @return <code>true</code> if the line is included by the given position
*/
protected boolean includesRulerLine(Position position, IDocument document) {
if (position != null) {
try {
int markerLine = document.getLineOfOffset(position.getOffset());
int line = fRuler.getLineOfLastMouseButtonActivity();
if (line == markerLine) {
return true;
}
} catch (BadLocationException x) {
}
}
return false;
}
/**
* Tries to make an annotation hover focusable (or "sticky").
*
* @param sourceViewer the source viewer to display the hover over
* @param annotationHover the hover to make focusable
* @return <code>true</code> if successful, <code>false</code> otherwise
*/
private boolean makeAnnotationHoverFocusable(
ISourceViewer sourceViewer, IAnnotationHover annotationHover) {
IVerticalRulerInfo info = getVerticalRuler();
int line = info.getLineOfLastMouseButtonActivity();
if (line == -1) return false;
try {
// compute the hover information
Object hoverInfo;
if (annotationHover instanceof IAnnotationHoverExtension) {
IAnnotationHoverExtension extension = (IAnnotationHoverExtension) annotationHover;
ILineRange hoverLineRange = extension.getHoverLineRange(sourceViewer, line);
if (hoverLineRange == null) return false;
final int maxVisibleLines =
Integer
.MAX_VALUE; // allow any number of lines being displayed, as we support scrolling
hoverInfo = extension.getHoverInfo(sourceViewer, hoverLineRange, maxVisibleLines);
} else {
hoverInfo = annotationHover.getHoverInfo(sourceViewer, line);
}
// hover region: the beginning of the concerned line to place the control right over the
// line
IDocument document = sourceViewer.getDocument();
int offset = document.getLineOffset(line);
String contentType =
TextUtilities.getContentType(
document, AutoconfPartitionScanner.AUTOCONF_MACRO, offset, true);
IInformationControlCreator controlCreator = null;
// /*
// * XXX: This is a hack to avoid API changes at the end of 3.2,
// * and should be fixed for 3.3, see:
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=137967
// */
// if
// ("org.eclipse.jface.text.source.projection.ProjectionAnnotationHover".equals(annotationHover.getClass().getName())) { //$NON-NLS-1$
// controlCreator= new IInformationControlCreator() {
// public IInformationControl createInformationControl(Shell shell) {
// int shellStyle= SWT.RESIZE | SWT.TOOL | getOrientation();
// int style= SWT.V_SCROLL | SWT.H_SCROLL;
// return new SourceViewerInformationControl(shell, shellStyle, style);
// }
// };
//
// } else {
if (annotationHover instanceof IInformationProviderExtension2)
controlCreator =
((IInformationProviderExtension2) annotationHover)
.getInformationPresenterControlCreator();
else if (annotationHover instanceof IAnnotationHoverExtension)
controlCreator = ((IAnnotationHoverExtension) annotationHover).getHoverControlCreator();
// }
IInformationProvider informationProvider =
new InformationProvider(new Region(offset, 0), hoverInfo, controlCreator);
fInformationPresenter.setOffset(offset);
fInformationPresenter.setAnchor(AbstractInformationControlManager.ANCHOR_RIGHT);
fInformationPresenter.setMargins(
4, 0); // AnnotationBarHoverManager sets (5,0), minus SourceViewer.GAP_SIZE_1
fInformationPresenter.setInformationProvider(informationProvider, contentType);
fInformationPresenter.showInformation();
return true;
} catch (BadLocationException e) {
return false;
}
}