public void apply(ITextViewer viewer, char trigger, int stateMask, int offset) {
Position[] positions = null;
FormatterPrefs formatterPrefs = getFormatterPrefs();
StringBuffer buffer = new StringBuffer();
buffer.append(fProposal.getName());
if (formatterPrefs.beforeOpeningParen) buffer.append(SPACE);
buffer.append(LPAREN);
if (formatterPrefs.afterOpeningParen) buffer.append(SPACE);
if (Signature.getParameterCount(fProposal.getSignature()) > 0) {
char[][] parameters = fProposal.findParameterNames(null);
if (parameters != null) {
positions = new Position[parameters.length];
int base = getReplacementOffset();
for (int i = 0; i < parameters.length; i++) {
if (i != 0) {
if (formatterPrefs.beforeComma) buffer.append(SPACE);
buffer.append(COMMA);
if (formatterPrefs.afterComma) buffer.append(SPACE);
}
Position position = new Position(0, 0);
position.setOffset(base + buffer.length());
position.setLength(parameters[i].length);
positions[i] = position;
buffer.append(parameters[i]);
}
}
}
if (formatterPrefs.beforeClosingParen) buffer.append(SPACE);
buffer.append(RPAREN);
setReplacementString(buffer.toString());
super.apply(viewer, trigger, stateMask, offset);
try {
if (positions != null) {
LinkedModeModel model = new LinkedModeModel();
for (int i = 0; i < positions.length; i++) {
LinkedPositionGroup group = new LinkedPositionGroup();
Position position = positions[i];
group.addPosition(
new LinkedPosition(
viewer.getDocument(), position.getOffset(), position.getLength(), i));
model.addGroup(group);
}
model.forceInstall();
LinkedModeUI ui = new EditorLinkedModeUI(model, viewer);
ui.setExitPosition(
viewer, getReplacementOffset() + getReplacementString().length(), 0, Integer.MAX_VALUE);
ui.setExitPolicy(new ExitPolicy(')', viewer.getDocument()));
ui.setCyclingMode(LinkedModeUI.CYCLE_WHEN_NO_PARENT);
ui.setDoContextInfo(true);
ui.enter();
fSelectedRegion = ui.getSelectedRegion();
}
} catch (BadLocationException e) {
}
}
@Override
public void apply(final ITextViewer viewer, char trigger, int stateMask, final int offset) {
try {
fLocations = null;
Point selection = viewer.getSelectedRange();
final int secectionOffset = selection.x;
final int selectionLength = selection.y;
ASTProvider.getASTProvider()
.runOnAST(
fTranslationUnit,
ASTProvider.WAIT_ACTIVE_ONLY,
new NullProgressMonitor(),
new ASTRunnable() {
@Override
public IStatus runOnAST(ILanguage lang, IASTTranslationUnit astRoot)
throws CoreException {
if (astRoot == null) return Status.CANCEL_STATUS;
IASTNodeSelector selector = astRoot.getNodeSelector(null);
IASTName name = selector.findEnclosingName(secectionOffset, selectionLength);
if (name != null) {
fLocations = LinkedNamesFinder.findByName(astRoot, name);
}
return Status.OK_STATUS;
}
});
if (fLocations == null || fLocations.length == 0) {
return;
}
// Sort the locations starting with the one @ offset.
Arrays.sort(
fLocations,
new Comparator<IRegion>() {
@Override
public int compare(IRegion n1, IRegion n2) {
return rank(n1) - rank(n2);
}
/**
* Returns the absolute rank of a location. Location preceding {@code offset} are ranked
* last.
*
* @param location the location to compute the rank for
* @return the rank of the location with respect to the invocation offset
*/
private int rank(IRegion location) {
int relativeRank = location.getOffset() + location.getLength() - offset;
if (relativeRank < 0) {
return Integer.MAX_VALUE + relativeRank;
} else {
return relativeRank;
}
}
});
IDocument document = viewer.getDocument();
LinkedPositionGroup group = new LinkedPositionGroup();
for (int i = 0; i < fLocations.length; i++) {
IRegion item = fLocations[i];
group.addPosition(new LinkedPosition(document, item.getOffset(), item.getLength(), i));
}
LinkedModeModel model = new LinkedModeModel();
model.addGroup(group);
model.forceInstall();
CEditor editor = getCEditor();
if (editor != null) {
model.addLinkingListener(new EditorHighlightingSynchronizer(editor));
}
LinkedModeUI ui = new EditorLinkedModeUI(model, viewer);
ui.setExitPolicy(new DeleteBlockingExitPolicy(document));
ui.setExitPosition(viewer, offset, 0, LinkedPositionGroup.NO_STOP);
ui.enter();
if (fValueSuggestion != null) {
document.replace(fLocations[0].getOffset(), fLocations[0].getLength(), fValueSuggestion);
IRegion selectedRegion = ui.getSelectedRegion();
selection = new Point(selectedRegion.getOffset(), fValueSuggestion.length());
}
viewer.setSelectedRange(
selection.x, selection.y); // By default full word is selected, restore original selection
} catch (BadLocationException e) {
CUIPlugin.log(e);
}
}
/*
* @see org.eclipse.jface.text.contentassist.ICompletionProposalExtension2#apply(org.eclipse.jface.text.ITextViewer, char, int, int)
*/
@Override
public void apply(ITextViewer viewer, char trigger, int stateMask, int offset) {
IDocument document = viewer.getDocument();
try {
fContext.setReadOnly(false);
int start;
TemplateBuffer templateBuffer;
try {
beginCompoundChange(viewer);
int oldReplaceOffset = getReplaceOffset();
try {
// this may already modify the document (e.g. add imports)
templateBuffer = fContext.evaluate(fTemplate);
} catch (TemplateException e1) {
fSelectedRegion = fRegion;
return;
}
start = getReplaceOffset();
int shift = start - oldReplaceOffset;
int end = Math.max(getReplaceEndOffset(), offset + shift);
// insert template string
if (end > document.getLength()) end = offset;
String templateString = templateBuffer.getString();
document.replace(start, end - start, templateString);
} finally {
endCompoundChange(viewer);
}
// translate positions
LinkedModeModel model = new LinkedModeModel();
TemplateVariable[] variables = templateBuffer.getVariables();
MultiVariableGuess guess =
fContext instanceof CompilationUnitContext
? ((CompilationUnitContext) fContext).getMultiVariableGuess()
: null;
boolean hasPositions = false;
for (int i = 0; i != variables.length; i++) {
TemplateVariable variable = variables[i];
if (variable.isUnambiguous()) continue;
LinkedPositionGroup group = new LinkedPositionGroup();
int[] offsets = variable.getOffsets();
int length = variable.getLength();
LinkedPosition first;
if (guess != null && variable instanceof MultiVariable) {
first =
new VariablePosition(
document, offsets[0] + start, length, guess, (MultiVariable) variable);
guess.addSlave((VariablePosition) first);
} else {
String[] values = variable.getValues();
ICompletionProposal[] proposals = new ICompletionProposal[values.length];
for (int j = 0; j < values.length; j++) {
ensurePositionCategoryInstalled(document, model);
Position pos = new Position(offsets[0] + start, length);
document.addPosition(getCategory(), pos);
proposals[j] = new PositionBasedCompletionProposal(values[j], pos, length);
}
if (proposals.length > 1)
first = new ProposalPosition(document, offsets[0] + start, length, proposals);
else first = new LinkedPosition(document, offsets[0] + start, length);
}
for (int j = 0; j != offsets.length; j++)
if (j == 0) group.addPosition(first);
else group.addPosition(new LinkedPosition(document, offsets[j] + start, length));
model.addGroup(group);
hasPositions = true;
}
if (hasPositions) {
model.forceInstall();
JavaEditor editor = getJavaEditor();
if (editor != null) {
model.addLinkingListener(new EditorHighlightingSynchronizer(editor));
}
LinkedModeUI ui = new EditorLinkedModeUI(model, viewer);
ui.setExitPosition(viewer, getCaretOffset(templateBuffer) + start, 0, Integer.MAX_VALUE);
ui.enter();
fSelectedRegion = ui.getSelectedRegion();
} else {
fSelectedRegion = new Region(getCaretOffset(templateBuffer) + start, 0);
}
} catch (BadLocationException e) {
JavaPlugin.log(e);
openErrorDialog(viewer.getTextWidget().getShell(), e);
fSelectedRegion = fRegion;
} catch (BadPositionCategoryException e) {
JavaPlugin.log(e);
openErrorDialog(viewer.getTextWidget().getShell(), e);
fSelectedRegion = fRegion;
}
}