/*
* @see ITextOperationTargetExtension#enableOperation(int, boolean)
* @since 2.0
*/
public void enableOperation(int operation, boolean enable) {
switch (operation) {
case CONTENTASSIST_PROPOSALS:
case CONTENTASSIST_CONTEXT_INFORMATION:
{
if (fContentAssistant == null) return;
if (enable) {
if (!fContentAssistantInstalled) {
fContentAssistant.install(this);
fContentAssistantInstalled = true;
}
} else if (fContentAssistantInstalled) {
fContentAssistant.uninstall();
fContentAssistantInstalled = false;
}
break;
}
case QUICK_ASSIST:
{
if (fQuickAssistAssistant == null) return;
if (enable) {
if (!fQuickAssistAssistantInstalled) {
fQuickAssistAssistant.install(this);
fQuickAssistAssistantInstalled = true;
}
} else if (fQuickAssistAssistantInstalled) {
fQuickAssistAssistant.uninstall();
fQuickAssistAssistantInstalled = false;
}
}
}
}
/** Requests proposals in the last location of the given editor. */
protected ICompletionProposal[] requestProposals(String mod1Contents, PyEdit editor) {
IContentAssistant contentAssistant =
editor.getEditConfiguration().getContentAssistant(editor.getPySourceViewer());
SimpleAssistProcessor processor =
(SimpleAssistProcessor)
contentAssistant.getContentAssistProcessor(IDocument.DEFAULT_CONTENT_TYPE);
processor
.doCycle(); // we want to show the default completions in this case (not the simple ones)
ICompletionProposal[] props =
processor.computeCompletionProposals(editor.getPySourceViewer(), mod1Contents.length());
return props;
}
/**
* Open the proposal popup and display the proposals provided by the proposal provider. If there
* are no proposals to be shown, do not show the popup. This method returns immediately. That is,
* it does not wait for the popup to open or a proposal to be selected.
*
* @param autoActivated a boolean indicating whether the popup was autoactivated. If false, a beep
* will sound when no proposals can be shown.
*/
private void openProposalPopup(boolean autoActivated) {
if (isValid() && isEnabled()) {
// XXX here we delegate the request!
contentAssistant.showPossibleCompletions();
((ContentAssistant) contentAssistant).addCompletionListener(this);
}
}
/*
* @see org.eclipse.jface.text.source.ISourceViewerExtension2#unconfigure()
* @since 3.0
*/
public void unconfigure() {
clearRememberedSelection();
if (fPresentationReconciler != null) {
fPresentationReconciler.uninstall();
fPresentationReconciler = null;
}
if (fReconciler != null) {
fReconciler.uninstall();
fReconciler = null;
}
if (fContentAssistant != null) {
fContentAssistant.uninstall();
fContentAssistantInstalled = false;
fContentAssistant = null;
if (fContentAssistantFacade != null) fContentAssistantFacade = null;
}
if (fQuickAssistAssistant != null) {
fQuickAssistAssistant.uninstall();
fQuickAssistAssistantInstalled = false;
fQuickAssistAssistant = null;
}
fContentFormatter = null;
if (fInformationPresenter != null) {
fInformationPresenter.uninstall();
fInformationPresenter = null;
}
fAutoIndentStrategies = null;
fDoubleClickStrategies = null;
fTextHovers = null;
fIndentChars = null;
fDefaultPrefixChars = null;
if (fVerticalRulerHoveringController != null) {
fVerticalRulerHoveringController.dispose();
fVerticalRulerHoveringController = null;
}
if (fOverviewRulerHoveringController != null) {
fOverviewRulerHoveringController.dispose();
fOverviewRulerHoveringController = null;
}
if (fUndoManager != null) {
fUndoManager.disconnect();
fUndoManager = null;
}
setHyperlinkDetectors(null, SWT.NONE);
}
/*
* @see ITextOperationTarget#doOperation(int)
*/
public void doOperation(int operation) {
if (getTextWidget() == null || (!redraws() && operation != FORMAT)) return;
switch (operation) {
case CONTENTASSIST_PROPOSALS:
fContentAssistant.showPossibleCompletions();
return;
case CONTENTASSIST_CONTEXT_INFORMATION:
fContentAssistant.showContextInformation();
return;
case QUICK_ASSIST:
// FIXME: must find a way to post to the status line
/* String msg= */ fQuickAssistAssistant.showPossibleQuickAssists();
// setStatusLineErrorMessage(msg);
return;
case INFORMATION:
fInformationPresenter.showInformation();
return;
case FORMAT:
{
final Point selection = rememberSelection();
final IRewriteTarget target = getRewriteTarget();
final IDocument document = getDocument();
IFormattingContext context = null;
DocumentRewriteSession rewriteSession = null;
if (document instanceof IDocumentExtension4) {
IDocumentExtension4 extension = (IDocumentExtension4) document;
DocumentRewriteSessionType type =
(selection.y == 0 && document.getLength() > 1000) || selection.y > 1000
? DocumentRewriteSessionType.SEQUENTIAL
: DocumentRewriteSessionType.UNRESTRICTED_SMALL;
rewriteSession = extension.startRewriteSession(type);
} else {
setRedraw(false);
target.beginCompoundChange();
}
try {
final String rememberedContents = document.get();
try {
if (fContentFormatter instanceof IContentFormatterExtension) {
final IContentFormatterExtension extension =
(IContentFormatterExtension) fContentFormatter;
context = createFormattingContext();
if (selection.y == 0) {
context.setProperty(FormattingContextProperties.CONTEXT_DOCUMENT, Boolean.TRUE);
} else {
context.setProperty(FormattingContextProperties.CONTEXT_DOCUMENT, Boolean.FALSE);
context.setProperty(
FormattingContextProperties.CONTEXT_REGION,
new Region(selection.x, selection.y));
}
extension.format(document, context);
} else {
IRegion r;
if (selection.y == 0) {
IRegion coverage = getModelCoverage();
r = coverage == null ? new Region(0, 0) : coverage;
} else {
r = new Region(selection.x, selection.y);
}
fContentFormatter.format(document, r);
}
updateSlaveDocuments(document);
} catch (RuntimeException x) {
// fire wall for https://bugs.eclipse.org/bugs/show_bug.cgi?id=47472
// if something went wrong we undo the changes we just did
// TODO to be removed after 3.0 M8
document.set(rememberedContents);
throw x;
}
} finally {
if (document instanceof IDocumentExtension4) {
IDocumentExtension4 extension = (IDocumentExtension4) document;
extension.stopRewriteSession(rewriteSession);
} else {
target.endCompoundChange();
setRedraw(true);
}
restoreSelection();
if (context != null) context.dispose();
}
return;
}
default:
super.doOperation(operation);
}
}
/*
* @see ISourceViewer#configure(SourceViewerConfiguration)
*/
public void configure(SourceViewerConfiguration configuration) {
if (getTextWidget() == null) return;
setDocumentPartitioning(configuration.getConfiguredDocumentPartitioning(this));
// install content type independent plug-ins
fPresentationReconciler = configuration.getPresentationReconciler(this);
if (fPresentationReconciler != null) fPresentationReconciler.install(this);
fReconciler = configuration.getReconciler(this);
if (fReconciler != null) fReconciler.install(this);
fContentAssistant = configuration.getContentAssistant(this);
if (fContentAssistant != null) {
fContentAssistant.install(this);
if (fContentAssistant instanceof IContentAssistantExtension4)
fContentAssistantFacade = new ContentAssistantFacade(fContentAssistant);
fContentAssistantInstalled = true;
}
fQuickAssistAssistant = configuration.getQuickAssistAssistant(this);
if (fQuickAssistAssistant != null) {
fQuickAssistAssistant.install(this);
fQuickAssistAssistantInstalled = true;
}
fContentFormatter = configuration.getContentFormatter(this);
fInformationPresenter = configuration.getInformationPresenter(this);
if (fInformationPresenter != null) fInformationPresenter.install(this);
setUndoManager(configuration.getUndoManager(this));
getTextWidget().setTabs(configuration.getTabWidth(this));
setAnnotationHover(configuration.getAnnotationHover(this));
setOverviewRulerAnnotationHover(configuration.getOverviewRulerAnnotationHover(this));
setHoverControlCreator(configuration.getInformationControlCreator(this));
setHyperlinkPresenter(configuration.getHyperlinkPresenter(this));
IHyperlinkDetector[] hyperlinkDetectors = configuration.getHyperlinkDetectors(this);
int eventStateMask = configuration.getHyperlinkStateMask(this);
setHyperlinkDetectors(hyperlinkDetectors, eventStateMask);
// install content type specific plug-ins
String[] types = configuration.getConfiguredContentTypes(this);
for (int i = 0; i < types.length; i++) {
String t = types[i];
setAutoEditStrategies(configuration.getAutoEditStrategies(this, t), t);
setTextDoubleClickStrategy(configuration.getDoubleClickStrategy(this, t), t);
int[] stateMasks = configuration.getConfiguredTextHoverStateMasks(this, t);
if (stateMasks != null) {
for (int j = 0; j < stateMasks.length; j++) {
int stateMask = stateMasks[j];
setTextHover(configuration.getTextHover(this, t, stateMask), t, stateMask);
}
} else {
setTextHover(
configuration.getTextHover(this, t), t, ITextViewerExtension2.DEFAULT_HOVER_STATE_MASK);
}
String[] prefixes = configuration.getIndentPrefixes(this, t);
if (prefixes != null && prefixes.length > 0) setIndentPrefixes(prefixes, t);
prefixes = configuration.getDefaultPrefixes(this, t);
if (prefixes != null && prefixes.length > 0) setDefaultPrefixes(prefixes, t);
}
activatePlugins();
}