@Override
public Object getHoverInfo2(final ITextViewer textViewer, final IRegion hoverRegion) {
final ISourceEditor editor = getEditor();
if (editor != null && ensureHover()) {
try {
final String contentType =
(hoverRegion instanceof TypedRegion)
? ((TypedRegion) hoverRegion).getType()
: TextUtils.getContentType(
editor.getViewer().getDocument(),
editor.getDocumentContentInfo(),
hoverRegion.getOffset(),
hoverRegion.getLength() == 0);
final AssistInvocationContext context =
createContext(hoverRegion, contentType, new NullProgressMonitor());
if (context != null) {
return this.hover.getHoverInfo(context);
}
} catch (final Exception e) {
StatusManager.getManager()
.handle(
new Status(
IStatus.ERROR,
LTKUIPlugin.PLUGIN_ID,
NLS.bind(
"An error occurred when preparing the information hover ''{0}'' (mouse).",
this.descriptor.getName()),
e));
}
}
return null;
}
@Override
public void widgetSelected(final SelectionEvent event) {
final TexCommand command = (TexCommand) event.widget.getData();
final IEditorPart editor = UIAccess.getActiveWorkbenchPage(true).getActiveEditor();
if (editor instanceof ILtxEditor) {
final ILtxEditor texEditor = (ILtxEditor) editor;
if (!texEditor.isEditable(true)) {
return;
}
final SourceViewer viewer = ((ILtxEditor) editor).getViewer();
Point selection = viewer.getSelectedRange();
if (selection == null || selection.x < 0) {
return;
}
try {
final String contentType =
TextUtils.getContentType(
viewer.getDocument(),
texEditor.getDocumentContentInfo(),
selection.x,
selection.y == 0);
final LtxAssistInvocationContext context =
new LtxAssistInvocationContext(
texEditor, selection.x, contentType, true, new NullProgressMonitor());
final LtxCommandCompletionProposal proposal =
new LtxCommandCompletionProposal(context, context.getInvocationOffset(), command);
proposal.apply(viewer, (char) 0, 1, context.getInvocationOffset());
selection = proposal.getSelection(viewer.getDocument());
if (selection != null) {
viewer.setSelectedRange(selection.x, selection.y);
viewer.revealRange(selection.x, selection.y);
} else {
viewer.revealRange(context.getInvocationOffset(), 0);
}
} catch (final Exception e) {
StatusManager.getManager()
.handle(
new Status(
IStatus.ERROR,
TexUI.PLUGIN_ID,
0,
"An error occurred when inserting LaTeX symbol.",
e));
}
}
}