/**
* Generates initial content for a new R script file.
*
* @param su the R source unit to create the source for. The unit does not need to exist
* @param lineDelimiter the line delimiter to be used
* @return the new content or <code>null</code> if the template is undefined or empty
* @throws CoreException thrown when the evaluation of the code template fails
*/
public static EvaluatedTemplate getNewRFileContent(
final RResourceUnit su, final String lineDelimiter) throws CoreException {
final Template template =
RUIPlugin.getDefault()
.getRCodeGenerationTemplateStore()
.findTemplate(RCodeTemplatesContextType.NEW_RSCRIPTFILE);
if (template == null) {
return null;
}
final RCodeTemplatesContext context =
new RCodeTemplatesContext(
RCodeTemplatesContextType.NEW_RSCRIPTFILE_CONTEXTTYPE, su, lineDelimiter);
try {
final TemplateBuffer buffer = context.evaluate(template);
if (buffer == null) {
return null;
}
return new TemplatesUtil.EvaluatedTemplate(buffer, lineDelimiter);
} catch (final Exception e) {
throw new CoreException(
new Status(
IStatus.ERROR,
RUI.PLUGIN_ID,
NLS.bind(
TemplateMessages.TemplateEvaluation_error_description, template.getDescription()),
e));
}
}
/**
* Computes the relevance to match the relevance values generated by the core content assistant.
*
* @return a sensible relevance value.
*/
private int computeRelevance() {
// see org.eclipse.jdt.internal.codeassist.RelevanceConstants
final int R_DEFAULT = 0;
final int R_INTERESTING = 5;
final int R_CASE = 10;
final int R_NON_RESTRICTED = 3;
final int R_EXACT_NAME = 4;
final int R_INLINE_TAG = 31;
int base = R_DEFAULT + R_INTERESTING + R_NON_RESTRICTED;
try {
if (fContext instanceof DocumentTemplateContext) {
DocumentTemplateContext templateContext = (DocumentTemplateContext) fContext;
IDocument document = templateContext.getDocument();
String content = document.get(fRegion.getOffset(), fRegion.getLength());
if (content.length() > 0 && fTemplate.getName().startsWith(content)) base += R_CASE;
if (fTemplate.getName().equalsIgnoreCase(content)) base += R_EXACT_NAME;
if (fContext instanceof JavaDocContext) base += R_INLINE_TAG;
}
} catch (BadLocationException e) {
// ignore - not a case sensitive match then
}
// see CompletionProposalCollector.computeRelevance
// just under keywords, but better than packages
final int TEMPLATE_RELEVANCE = 1;
return base * 16 + TEMPLATE_RELEVANCE;
}
/**
* Inspects the context of the compilation unit around <code>completionPosition</code> and feeds
* the collector with proposals.
*
* @param viewer the text viewer
* @param completionPosition the context position in the document of the text viewer
* @param compilationUnit the compilation unit (may be <code>null</code>)
*/
public void complete(ITextViewer viewer, int completionPosition, IRubyScript compilationUnit) {
IDocument document = viewer.getDocument();
if (!(fContextType instanceof RubyScriptContextType)) return;
Point selection = viewer.getSelectedRange();
// remember selected text
String selectedText = null;
if (selection.y != 0) {
try {
selectedText = document.get(selection.x, selection.y);
} catch (BadLocationException e) {
}
}
RubyScriptContext context =
((RubyScriptContextType) fContextType)
.createContext(document, completionPosition, selection.y, compilationUnit);
context.setVariable("selection", selectedText); // $NON-NLS-1$
int start = context.getStart();
int end = context.getEnd();
IRegion region = new Region(start, end - start);
Template[] templates = RubyPlugin.getDefault().getTemplateStore().getTemplates();
if (selection.y == 0) {
for (int i = 0; i != templates.length; i++)
if (context.canEvaluate(templates[i]))
fProposals.add(
new TemplateProposal(
templates[i],
context,
region,
RubyPluginImages.get(RubyPluginImages.IMG_OBJS_TEMPLATE)));
} else {
if (context.getKey().length() == 0) context.setForceEvaluation(true);
boolean multipleLinesSelected = areMultipleLinesSelected(viewer);
for (int i = 0; i != templates.length; i++) {
Template template = templates[i];
if (context.canEvaluate(template)
&& template.getContextTypeId().equals(context.getContextType().getId())
&& (!multipleLinesSelected && template.getPattern().indexOf($_WORD_SELECTION) != -1
|| (multipleLinesSelected
&& template.getPattern().indexOf($_LINE_SELECTION) != -1))) {
fProposals.add(
new TemplateProposal(
templates[i],
context,
region,
RubyPluginImages.get(RubyPluginImages.IMG_OBJS_TEMPLATE)));
}
}
}
}
public CodeClipDialog(
Shell parentShell, Shell contextShell, TemplatePersistenceData templatePersistenceData) {
super(parentShell);
this.contextShell = contextShell;
this.templatePersistenceData = templatePersistenceData;
Template template = templatePersistenceData.getTemplate();
abbrev = template.getName();
description = template.getDescription();
expansion = template.getPattern();
contentType = template.getContextTypeId();
setHelpAvailable(false);
}
private boolean hasCompatibleContextType(Template template) {
String key = getKey();
if (template.matches(key, getContextType().getId())) return true;
if (fCompatibleContextTypeIds == null) return false;
Iterator<String> iter = fCompatibleContextTypeIds.iterator();
while (iter.hasNext()) {
if (template.matches(key, iter.next())) return true;
}
return false;
}
/*
* @see org.eclipse.ui.texteditor.templates.TemplatePreferencePage#updateViewerInput()
*/
protected void updateViewerInput() {
IStructuredSelection selection = (IStructuredSelection) getTableViewer().getSelection();
SourceViewer viewer = getViewer();
if (selection.size() == 1 && selection.getFirstElement() instanceof TemplatePersistenceData) {
TemplatePersistenceData data = (TemplatePersistenceData) selection.getFirstElement();
Template template = data.getTemplate();
viewer.getDocument().set(template.getPattern());
} else {
viewer.getDocument().set("");
}
}
/*
* @see org.eclipse.jface.text.contentassist.ICompletionProposalExtension6#getStyledDisplayString()
* @since 3.4
*/
@Override
public StyledString getStyledDisplayString() {
if (fDisplayString == null) {
String[] arguments = new String[] {fTemplate.getName(), fTemplate.getDescription()};
String decorated =
Messages.format(TemplateContentAssistMessages.TemplateProposal_displayString, arguments);
StyledString string = new StyledString(fTemplate.getName(), StyledString.COUNTER_STYLER);
fDisplayString =
StyledCellLabelProvider.styleDecoratedString(
decorated, StyledString.QUALIFIER_STYLER, string);
}
return fDisplayString;
}
private Template indentTemplatePattern(final Template template, final boolean indentFrom0) {
String pattern = template.getPattern();
final String whiteSpacePrefix = indentFrom0 ? "" : getWhiteSpacePrefix();
try {
pattern = IndentAction.indentLines(0, 0, pattern, true, whiteSpacePrefix);
} catch (final RpcException e) {
ErlLogger.error(e);
}
return new Template(
template.getName(),
template.getDescription(),
template.getContextTypeId(),
pattern,
template.isAutoInsertable());
}
/**
* Evaluates a 'java' template in the context of a compilation unit
*
* @param template the template to be evaluated
* @param compilationUnit the compilation unit in which to evaluate the template
* @param position the position inside the compilation unit for which to evaluate the template
* @return the evaluated template
* @throws CoreException in case the template is of an unknown context type
* @throws BadLocationException in case the position is invalid in the compilation unit
* @throws TemplateException in case the evaluation fails
*/
public static String evaluateTemplate(
Template template, ICompilationUnit compilationUnit, int position)
throws CoreException, BadLocationException, TemplateException {
TemplateContextType contextType =
JavaPlugin.getDefault()
.getTemplateContextRegistry()
.getContextType(template.getContextTypeId());
if (!(contextType instanceof CompilationUnitContextType))
throw new CoreException(
new Status(
IStatus.ERROR,
JavaUI.ID_PLUGIN,
IStatus.ERROR,
JavaTemplateMessages.JavaContext_error_message,
null));
IDocument document = new Document();
if (compilationUnit != null && compilationUnit.exists())
document.set(compilationUnit.getSource());
CompilationUnitContext context =
((CompilationUnitContextType) contextType)
.createContext(document, position, 0, compilationUnit);
context.setForceEvaluation(true);
TemplateBuffer buffer = context.evaluate(template);
if (buffer == null) return null;
return buffer.getString();
}
/*
* @see TemplateContext#canEvaluate(Template templates)
*/
@Override
public boolean canEvaluate(Template template) {
if (!hasCompatibleContextType(template)) return false;
if (fForceEvaluation) return true;
String key = getKey();
return (key.length() > 0 || !isAfterDot())
&& template.getName().toLowerCase().startsWith(key.toLowerCase());
}
private int getRelevance(Template template, int lineOffset, String prefix) {
boolean blockTemplate = templates == null ? false : templates.isBlock(template);
if (blockTemplate) {
if (template.getName().startsWith(prefix)) {
return lineOffset == 0 ? 95 : 75;
}
return lineOffset == 0 ? 85 : 0;
}
return super.getRelevance(template, prefix);
}
private boolean isSelectionBasedMatch(Template template, TemplateContext context) {
String pattern = template.getPattern();
Set<String> vars = new HashSet<>();
Matcher matcher = VARIABLE_PATTERN.matcher(pattern);
while (matcher.find()) {
String variableName = matcher.group(1);
if (vars.add(variableName)) {
String variable = context.getVariable(variableName);
if (variable != null && variable.length() > 0) {
return true;
}
}
}
return false;
}
@NotNull
private ICompletionProposal[] makeTemplateProposals(
ITextViewer viewer, int documentOffset, String wordPart) {
wordPart = wordPart.toLowerCase();
final List<SQLTemplateCompletionProposal> templateProposals = new ArrayList<>();
// Templates
for (Template template : editor.getTemplatesPage().getTemplateStore().getTemplates()) {
if (template.getName().toLowerCase().startsWith(wordPart)) {
templateProposals.add(
new SQLTemplateCompletionProposal(
template,
new SQLContext(
SQLTemplatesRegistry.getInstance()
.getTemplateContextRegistry()
.getContextType(template.getContextTypeId()),
viewer.getDocument(),
new Position(wordDetector.getStartOffset(), wordDetector.getLength()),
editor),
new Region(documentOffset, 0),
null));
}
}
return templateProposals.toArray(new ICompletionProposal[templateProposals.size()]);
}
/*
* @see org.eclipse.jface.text.contentassist.ICompletionProposalExtension2#validate(org.eclipse.jface.text.IDocument, int, org.eclipse.jface.text.DocumentEvent)
*/
@Override
public boolean validate(IDocument document, int offset, DocumentEvent event) {
try {
int replaceOffset = getReplaceOffset();
if (offset >= replaceOffset) {
String content = document.get(replaceOffset, offset - replaceOffset);
String templateName = fTemplate.getName().toLowerCase();
boolean valid = templateName.startsWith(content.toLowerCase());
if (!valid
&& fContext instanceof JavaDocContext
&& templateName.startsWith("<")) { // $NON-NLS-1$
valid = templateName.startsWith(content.toLowerCase(), 1);
}
return valid;
}
} catch (BadLocationException e) {
// concurrent modification - ignore
}
return false;
}
/** @param template */
protected void drop(Template template, int dropCaretOffset, int length) {
IDocument document = editor.getTextEditor().getTextViewer().getDocument();
ContextTypeRegistry registry = XMLUIPlugin.getDefault().getTemplateContextRegistry();
if (registry != null) {
TemplateContextType type = registry.getContextType(template.getContextTypeId());
DocumentTemplateContext templateContext =
new DocumentTemplateContext(type, document, new Position(dropCaretOffset, length));
if (templateContext.canEvaluate(template)) {
try {
TemplateBuffer templateBuffer = templateContext.evaluate(template);
String templateString = templateBuffer.getString();
document.replace(dropCaretOffset, length, templateString);
StyledText styledText = editor.getTextWidget();
int position = getCursorOffset(templateBuffer) + dropCaretOffset;
styledText.setCaretOffset(position);
styledText.setFocus();
} catch (Exception e) {
throw new RuntimeException(e);
}
}
}
}
/*
* @see org.eclipse.jface.text.contentassist.ICompletionProposalExtension3#getReplacementString()
*/
@Override
public CharSequence getPrefixCompletionText(IDocument document, int completionOffset) {
// bug 114360 - don't make selection templates prefix-completable
if (isSelectionTemplate()) return ""; // $NON-NLS-1$
return fTemplate.getName();
}
/**
* Generates content for the Roxygen comment for the given class definition
*
* @param rClass class element
* @param lineDelimiter the line delimiter to be used
* @return
* @throws CoreException thrown when the evaluation of the code template fails
*/
public static EvaluatedTemplate getClassRoxygenComment(
final IRClass rClass, final String lineDelimiter) throws CoreException {
final Template template =
RUIPlugin.getDefault()
.getRCodeGenerationTemplateStore()
.findTemplate(RCodeTemplatesContextType.ROXYGEN_S4CLASS_TEMPLATE);
if (template == null) {
return null;
}
final ISourceUnit su = rClass.getSourceUnit();
final RCodeTemplatesContext context =
new RCodeTemplatesContext(
RCodeTemplatesContextType.ROXYGEN_CLASS_CONTEXTTYPE, su, lineDelimiter);
context.setRElement(rClass);
try {
final TemplateBuffer buffer = context.evaluate(template);
if (buffer == null) {
return null;
}
final EvaluatedTemplate data = new EvaluatedTemplate(buffer, lineDelimiter);
final AbstractDocument content = data.startPostEdit();
final StringBuilder tagBuffer = new StringBuilder(64);
final TemplateVariable slotVariable =
TemplatesUtil.findVariable(buffer, RCodeTemplatesContextType.ROXYGEN_SLOT_TAGS_VARIABLE);
final Position[] slotPositions =
new Position[(slotVariable != null) ? slotVariable.getOffsets().length : 0];
for (int i = 0; i < slotPositions.length; i++) {
slotPositions[i] = new Position(slotVariable.getOffsets()[i], slotVariable.getLength());
content.addPosition(slotPositions[i]);
}
if (slotPositions.length > 0) {
String[] tags = null;
final List<? extends IModelElement> slots =
rClass.getModelChildren(IRElement.R_S4SLOT_FILTER);
final int count = slots.size();
tags = new String[count];
for (int i = 0; i < count; i++) {
final IRSlot slot = (IRSlot) slots.get(i);
tagBuffer.append("@slot "); // $NON-NLS-1$
tagBuffer.append(slot.getElementName().getDisplayName());
tagBuffer.append(" "); // $NON-NLS-1$
tags[i] = tagBuffer.toString();
tagBuffer.setLength(0);
}
for (final Position pos : slotPositions) {
insertRoxygen(content, pos, tags);
}
}
data.finishPostEdit();
return data;
} catch (final Exception e) {
throw new CoreException(
new Status(
IStatus.ERROR,
RUI.PLUGIN_ID,
NLS.bind(
TemplateMessages.TemplateEvaluation_error_description, template.getDescription()),
e));
}
}
/**
* Saves the templates as XML.
*
* @param templates the templates to save
* @param result the stream result to write to
* @throws IOException if writing the templates fails
*/
private void save(TemplatePersistenceData[] templates, StreamResult result) throws IOException {
try {
DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
DocumentBuilder builder = factory.newDocumentBuilder();
Document document = builder.newDocument();
Node root = document.createElement(TEMPLATE_ROOT);
document.appendChild(root);
for (int i = 0; i < templates.length; i++) {
TemplatePersistenceData data = templates[i];
Template template = data.getTemplate();
Node node = document.createElement(TEMPLATE_ELEMENT);
root.appendChild(node);
NamedNodeMap attributes = node.getAttributes();
String id = data.getId();
if (id != null) {
Attr idAttr = document.createAttribute(ID_ATTRIBUTE);
idAttr.setValue(id);
attributes.setNamedItem(idAttr);
}
if (template != null) {
Attr name = document.createAttribute(NAME_ATTRIBUTE);
name.setValue(template.getName());
attributes.setNamedItem(name);
}
if (template != null) {
Attr proposalDesc = document.createAttribute(PROPOSAL_POPUP_DESCRIPTION);
if (template instanceof SQLTemplate) {
proposalDesc.setValue(((SQLTemplate) template).getProposalPopupDescription());
}
attributes.setNamedItem(proposalDesc);
}
if (template != null) {
Attr description = document.createAttribute(DESCRIPTION_ATTRIBUTE);
description.setValue(template.getDescription());
attributes.setNamedItem(description);
}
if (template != null) {
Attr context = document.createAttribute(CONTEXT_ATTRIBUTE);
context.setValue(template.getContextTypeId());
attributes.setNamedItem(context);
}
Attr enabled = document.createAttribute(ENABLED_ATTRIBUTE);
enabled.setValue(data.isEnabled() ? Boolean.toString(true) : Boolean.toString(false));
attributes.setNamedItem(enabled);
Attr deleted = document.createAttribute(DELETED_ATTRIBUTE);
deleted.setValue(data.isDeleted() ? Boolean.toString(true) : Boolean.toString(false));
attributes.setNamedItem(deleted);
if (template != null) {
Attr autoInsertable = document.createAttribute(AUTO_INSERTABLE_ATTRIBUTE);
autoInsertable.setValue(
template.isAutoInsertable() ? Boolean.toString(true) : Boolean.toString(false));
attributes.setNamedItem(autoInsertable);
}
if (template != null) {
Text pattern = document.createTextNode(template.getPattern());
node.appendChild(pattern);
}
}
Transformer transformer = TransformerFactory.newInstance().newTransformer();
transformer.setOutputProperty(OutputKeys.METHOD, "xml"); // $NON-NLS-1$
transformer.setOutputProperty(OutputKeys.ENCODING, "UTF-8"); // $NON-NLS-1$
DOMSource source = new DOMSource(document);
transformer.transform(source, result);
} catch (ParserConfigurationException e) {
Assert.isTrue(false);
} catch (TransformerException e) {
if (e.getException() instanceof IOException) throw (IOException) e.getException();
Assert.isTrue(false);
}
}
/*
* @see org.eclipse.jface.text.contentassist.ICompletionProposalExtension4#isAutoInsertable()
*/
@Override
public boolean isAutoInsertable() {
if (isSelectionTemplate()) return false;
return fTemplate.isAutoInsertable();
}
/** Override to improve matching accuracy */
@Override
public ICompletionProposal[] computeCompletionProposals(ITextViewer viewer, int offset) {
ITextSelection selection = (ITextSelection) viewer.getSelectionProvider().getSelection();
// adjust offset to end of normalized selection
if (selection.getOffset() == offset) {
offset = selection.getOffset() + selection.getLength();
}
String prefix = extractPrefix(viewer, offset);
Region region = new Region(offset - prefix.length(), prefix.length());
TemplateContext context = createContext(viewer, region);
if (context == null) {
return new ICompletionProposal[0];
}
Region selectionRegion = new Region(selection.getOffset(), selection.getLength());
TemplateContext selectionContext = createContext(viewer, selectionRegion);
int lineOffset = 0;
try {
IRegion lineInformationOfOffset = viewer.getDocument().getLineInformationOfOffset(offset);
lineOffset = offset - lineInformationOfOffset.getOffset();
} catch (BadLocationException e1) {
// ignore
}
String selectionText = selection.getText();
context.setVariable("selection", selectionText); // $NON-NLS-1$
selectionContext.setVariable("selection", selectionText); // $NON-NLS-1$
context.setVariable("text", selectionText); // $NON-NLS-1$
selectionContext.setVariable("text", selectionText); // $NON-NLS-1$
Template[] templates = getTemplates(context.getContextType().getId());
List<ICompletionProposal> matches = new ArrayList<>(templates.length);
for (Template template : templates) {
try {
context.getContextType().validate(template.getPattern());
} catch (TemplateException e) {
continue;
}
if (!template.matches(prefix, context.getContextType().getId())) {
continue;
}
boolean selectionBasedMatch = isSelectionBasedMatch(template, context);
if (template.getName().startsWith(prefix) || selectionBasedMatch) {
int relevance = getRelevance(template, lineOffset, prefix);
if (selectionBasedMatch) {
matches.add(
createProposal(template, selectionContext, (IRegion) selectionRegion, relevance));
} else {
matches.add(createProposal(template, context, (IRegion) region, relevance));
}
}
}
Collections.sort(matches, proposalComparator);
return matches.toArray(new ICompletionProposal[matches.size()]);
}
@Override
public boolean canEvaluate(final Template template) {
final String key = getKey();
return key.length() != 0 && template.getName().toLowerCase().startsWith(key.toLowerCase());
}
/**
* Generates content for the Roxygen comment for the given function definition
*
* @param rMethod function element
* @param lineDelimiter the line delimiter to be used
* @return
* @throws CoreException thrown when the evaluation of the code template fails
*/
public static EvaluatedTemplate getCommonFunctionRoxygenComment(
final IRMethod rMethod, final String lineDelimiter) throws CoreException {
final Template template =
RUIPlugin.getDefault()
.getRCodeGenerationTemplateStore()
.findTemplate(RCodeTemplatesContextType.ROXYGEN_COMMONFUNCTION_TEMPLATE);
if (template == null) {
return null;
}
final ISourceUnit su = rMethod.getSourceUnit();
final RCodeTemplatesContext context =
new RCodeTemplatesContext(
RCodeTemplatesContextType.ROXYGEN_COMMONFUNCTION_CONTEXTTYPE, su, lineDelimiter);
context.setRElement(rMethod);
try {
final TemplateBuffer buffer = context.evaluate(template);
if (buffer == null) {
return null;
}
final EvaluatedTemplate data = new EvaluatedTemplate(buffer, lineDelimiter);
final AbstractDocument content = data.startPostEdit();
final StringBuilder tagBuffer = new StringBuilder(64);
final TemplateVariable paramVariable =
TemplatesUtil.findVariable(buffer, RCodeTemplatesContextType.ROXYGEN_PARAM_TAGS_VARIABLE);
final Position[] paramPositions =
new Position[(paramVariable != null) ? paramVariable.getOffsets().length : 0];
for (int i = 0; i < paramPositions.length; i++) {
paramPositions[i] = new Position(paramVariable.getOffsets()[i], paramVariable.getLength());
content.addPosition(paramPositions[i]);
}
if (paramPositions.length > 0) {
String[] tags = null;
final ArgsDefinition args = rMethod.getArgsDefinition();
if (args != null) {
final int count = args.size();
tags = new String[count];
for (int i = 0; i < count; i++) {
tagBuffer.append("@param "); // $NON-NLS-1$
tagBuffer.append(args.get(i).name);
tagBuffer.append(" "); // $NON-NLS-1$
tags[i] = tagBuffer.toString();
tagBuffer.setLength(0);
}
}
for (final Position pos : paramPositions) {
insertRoxygen(content, pos, tags);
}
}
data.finishPostEdit();
return data;
} catch (final Exception e) {
throw new CoreException(
new Status(
IStatus.ERROR,
RUI.PLUGIN_ID,
NLS.bind(
TemplateMessages.TemplateEvaluation_error_description, template.getDescription()),
e));
}
}
/**
* Generates content for the Roxygen comment for the given method definition
*
* @param rMethod function element
* @param lineDelimiter the line delimiter to be used
* @return
* @throws CoreException thrown when the evaluation of the code template fails
*/
public static EvaluatedTemplate getMethodRoxygenComment(
final IRMethod rMethod, final String lineDelimiter) throws CoreException {
final Template template =
RUIPlugin.getDefault()
.getRCodeGenerationTemplateStore()
.findTemplate(RCodeTemplatesContextType.ROXYGEN_S4METHOD_TEMPLATE);
if (template == null) {
return null;
}
final ISourceUnit su = rMethod.getSourceUnit();
final RCodeTemplatesContext context =
new RCodeTemplatesContext(
RCodeTemplatesContextType.ROXYGEN_METHOD_CONTEXTTYPE, su, lineDelimiter);
context.setRElement(rMethod);
try {
final TemplateBuffer buffer = context.evaluate(template);
if (buffer == null) {
return null;
}
final EvaluatedTemplate data = new EvaluatedTemplate(buffer, lineDelimiter);
final AbstractDocument content = data.startPostEdit();
final StringBuilder sb = new StringBuilder(64);
final Position[] sigPositions;
String sigText = null;
{
final TemplateVariable variable =
TemplatesUtil.findVariable(buffer, RCodeTemplatesContextType.ROXYGEN_SIG_LIST_VARIABLE);
sigPositions = new Position[(variable != null) ? variable.getOffsets().length : 0];
for (int i = 0; i < sigPositions.length; i++) {
sigPositions[i] = new Position(variable.getOffsets()[i], variable.getLength());
content.addPosition(sigPositions[i]);
}
if (sigPositions.length > 0) {
final ArgsDefinition args = rMethod.getArgsDefinition();
if (args != null) {
final int count = args.size();
for (int i = 0; i < count; i++) {
final Arg arg = args.get(i);
if (arg.className == null || arg.className.equals("ANY")) { // $NON-NLS-1$
break;
}
sb.append(arg.className);
sb.append(","); // $NON-NLS-1$
}
if (sb.length() > 0) {
sigText = sb.substring(0, sb.length() - 1);
sb.setLength(0);
}
}
}
}
final Position[] paramPositions;
String[] paramTags = null;
{
final TemplateVariable variable =
TemplatesUtil.findVariable(
buffer, RCodeTemplatesContextType.ROXYGEN_PARAM_TAGS_VARIABLE);
paramPositions = new Position[(variable != null) ? variable.getOffsets().length : 0];
for (int i = 0; i < paramPositions.length; i++) {
paramPositions[i] = new Position(variable.getOffsets()[i], variable.getLength());
content.addPosition(paramPositions[i]);
}
if (paramPositions.length > 0) {
String list = null;
final ArgsDefinition args = rMethod.getArgsDefinition();
if (args != null) {
final int count = args.size();
paramTags = new String[count];
for (int i = 0; i < count; i++) {
sb.append("@param "); // $NON-NLS-1$
sb.append(args.get(i).name);
sb.append(" "); // $NON-NLS-1$
paramTags[i] = sb.toString();
sb.setLength(0);
}
}
}
}
if (sigPositions != null) {
for (final Position pos : sigPositions) {
insertRoxygen(content, pos, sigText);
}
}
if (paramPositions != null) {
for (final Position pos : paramPositions) {
insertRoxygen(content, pos, paramTags);
}
}
data.finishPostEdit();
return data;
} catch (final Exception e) {
throw new CoreException(
new Status(
IStatus.ERROR,
RUI.PLUGIN_ID,
NLS.bind(
TemplateMessages.TemplateEvaluation_error_description, template.getDescription()),
e));
}
}
/**
* Inspects the context of the compilation unit around <code>completionPosition</code> and feeds
* the collector with proposals.
*
* @param viewer the text viewer
* @param completionPosition the context position in the document of the text viewer
* @param translationUnit the translation unit (may be <code>null</code>)
*/
public void complete(
ITextViewer viewer, int completionPosition, ITranslationUnit translationUnit) {
if (!(fContextType instanceof TranslationUnitContextType)) return;
IDocument document = viewer.getDocument();
Point selection = viewer.getSelectedRange();
boolean linesSelected = areLinesSelected(viewer);
boolean showLineSelectionTemplates = linesSelected;
boolean showWordSelectionTemplates = !linesSelected || isOnlyWordOnLine(viewer);
if (linesSelected) {
// adjust line selection to start at column 1 and end at line delimiter
try {
IRegion startLine = document.getLineInformationOfOffset(selection.x);
IRegion endLine = document.getLineInformationOfOffset(selection.x + selection.y - 1);
completionPosition = selection.x = startLine.getOffset();
selection.y = endLine.getOffset() + endLine.getLength() - startLine.getOffset();
} catch (BadLocationException exc) {
}
}
Position position = new Position(completionPosition, selection.y);
// remember selected text
String selectedText = null;
if (selection.y != 0) {
try {
selectedText = document.get(selection.x, selection.y);
document.addPosition(position);
fPositions.put(document, position);
} catch (BadLocationException e) {
}
}
TranslationUnitContext context =
((TranslationUnitContextType) fContextType)
.createContext(document, position, translationUnit);
context.setVariable("selection", selectedText); // $NON-NLS-1$
int start = context.getStart();
int end = context.getEnd();
IRegion region = new Region(start, end - start);
Template[] templates = CUIPlugin.getDefault().getTemplateStore().getTemplates();
Image image = CDTSharedImages.getImage(CDTSharedImages.IMG_OBJS_TEMPLATE);
if (selection.y == 0) {
for (int i = 0; i != templates.length; i++)
if (context.canEvaluate(templates[i]))
fProposals.add(new CTemplateProposal(templates[i], context, region, image));
} else {
if (linesSelected || context.getKey().length() == 0) context.setForceEvaluation(true);
for (int i = 0; i != templates.length; i++) {
Template template = templates[i];
if (context.canEvaluate(template)
&& template.getContextTypeId().equals(context.getContextType().getId())
&& ((showWordSelectionTemplates && template.getPattern().indexOf($_WORD_SELECTION) != -1
|| (showLineSelectionTemplates
&& template.getPattern().indexOf($_LINE_SELECTION) != -1)))) {
fProposals.add(new CTemplateProposal(templates[i], context, region, image));
}
}
}
}