Java Code Examples for org.eclipse.xtext.xbase.ui.contentassist.ReplacingAppendable#append()

private void addTypeCastToImplicitReceiver(XFeatureCall featureCall, IModificationContext context,
		JvmType declaringType) throws BadLocationException {
	String receiver;
	if (featureCall.getImplicitReceiver() instanceof XAbstractFeatureCall)
		receiver = ((XAbstractFeatureCall) featureCall.getImplicitReceiver()).getFeature().getSimpleName();
	else return;
	List<INode> nodes = NodeModelUtils.findNodesForFeature(featureCall,
			XbasePackage.Literals.XABSTRACT_FEATURE_CALL__FEATURE);
	if (nodes.isEmpty())
		return;
	INode firstNode = IterableExtensions.head(nodes);
	int offset = firstNode.getOffset();
	ReplacingAppendable appendable = appendableFactory.create(context.getXtextDocument(),
			(XtextResource) featureCall.eResource(), offset, 0);
	appendable.append("(");
	appendable.append(receiver);
	appendable.append(" as ");
	appendable.append(declaringType);
	appendable.append(").");
	appendable.commitChanges();
}
 

protected void internalDoAddAbstractKeyword(EObject element, IModificationContext context)
		throws BadLocationException {
	if (element instanceof XtendFunction) {
		element = element.eContainer();
	}
	if (element instanceof XtendClass) {
		XtendClass clazz = (XtendClass) element;
		IXtextDocument document = context.getXtextDocument();
		ICompositeNode clazzNode = NodeModelUtils.findActualNodeFor(clazz);
		if (clazzNode == null)
			throw new IllegalStateException("Cannot determine node for clazz " + clazz.getName());
		int offset = -1;
		for (ILeafNode leafNode : clazzNode.getLeafNodes()) {
			if (leafNode.getText().equals("class")) {
				offset = leafNode.getOffset();
				break;
			}
		}
		ReplacingAppendable appendable = appendableFactory.create(document, (XtextResource) clazz.eResource(),
				offset, 0);
		appendable.append("abstract ");
		appendable.commitChanges();
	}
}
 

@Override
public void apply(EObject element, IModificationContext context) throws Exception {
	final XtendTypeDeclaration container = EcoreUtil2.getContainerOfType(element, XtendTypeDeclaration.class);
	if (container != null) {
		final int insertOffset = getTools().getInsertOffset(container);
		final IXtextDocument document = context.getXtextDocument();
		final int length = getTools().getSpaceSize(document, insertOffset);
		final ReplacingAppendable appendable = getTools().getAppendableFactory().create(document,
				(XtextResource) element.eResource(), insertOffset, length);
		final boolean changeIndentation = container.getMembers().isEmpty();
		if (changeIndentation) {
			appendable.increaseIndentation();
		}
		appendable.newLine();
		appendable.append(
				getTools().getGrammarAccess().getDefKeyword());
		appendable.append(" "); //$NON-NLS-1$
		appendable.append(this.actionName);
		if (changeIndentation) {
			appendable.decreaseIndentation();
		}
		appendable.newLine();
		appendable.commitChanges();
	}
}
 

/** Add SuppressWarnings annotation.
 *
 * @param element the element to receive the annotation.
 * @param context the modification context.
 * @param suppressWarningsAnnotation the type for the suppress warning annotation.
 * @throws Exception if the document cannot be changed.
 */
protected void addAnnotation(EObject element, IModificationContext context,
		JvmType suppressWarningsAnnotation) throws Exception {
	final ICompositeNode node = NodeModelUtils.findActualNodeFor(element);
	if (node != null) {
		final int insertOffset = node.getOffset();
		final IXtextDocument document = context.getXtextDocument();
		final int length = getTools().getSpaceSize(document, insertOffset);
		final ReplacingAppendable appendable = getTools().getAppendableFactory().create(document,
				(XtextResource) element.eResource(), insertOffset, length);
		appendable.append(getTools().getGrammarAccess().getCommercialAtKeyword());
		appendable.append(suppressWarningsAnnotation);
		appendable.append("(\""); //$NON-NLS-1$
		appendable.append(extractId(this.code));
		appendable.append("\")"); //$NON-NLS-1$
		appendable.newLine();
		appendable.commitChanges();
	}
}
 

/** Add SuppressWarnings annotation.
 *
 * @param element the element to receive the annotation.
 * @param annotation the suppress-warning annotation.
 * @param context the modification context.
 * @throws Exception if the document cannot be changed.
 */
protected void addAnnotation(EObject element, XAnnotation annotation,
		IModificationContext context) throws Exception {
	final ICompositeNode node = NodeModelUtils.findActualNodeFor(annotation);
	if (node != null) {
		final IXtextDocument document = context.getXtextDocument();
		final int startOffset = node.getOffset();
		final int parameterOffset = getTools().getOffsetForPattern(document, startOffset,
				"@\\s*" + toPattern(annotation.getAnnotationType().getQualifiedName()) //$NON-NLS-1$
				+ "\\s*\\(\\s*"); //$NON-NLS-1$
		final int insertOffset;
		if (document.getChar(parameterOffset) == '{') {
			insertOffset = parameterOffset + getTools().getSpaceSize(document, parameterOffset + 1) + 1;
		} else {
			insertOffset = parameterOffset;
		}
		final ReplacingAppendable appendable = getTools().getAppendableFactory().create(document,
				(XtextResource) element.eResource(), insertOffset, 0);
		appendable.append("\""); //$NON-NLS-1$
		appendable.append(extractId(this.code));
		appendable.append("\", "); //$NON-NLS-1$
		appendable.commitChanges();
	}
}
 

private void addTypeCastToExplicitReceiver(XAbstractFeatureCall featureCall, IModificationContext context,
		JvmType declaringType, EReference structuralFeature) throws BadLocationException {
	List<INode> nodes = NodeModelUtils.findNodesForFeature(featureCall, structuralFeature);
	if (nodes.isEmpty())
		return;
	INode firstNode = IterableExtensions.head(nodes);
	INode lastNode = IterableExtensions.last(nodes);
	int offset = firstNode.getOffset();
	int length = lastNode.getEndOffset() - offset;
	ReplacingAppendable appendable = appendableFactory.create(context.getXtextDocument(),
			(XtextResource) featureCall.eResource(), offset, length);
	appendable.append("(");
	ListIterator<INode> nodeIter = nodes.listIterator();
	while (nodeIter.hasNext()) {
		String text = nodeIter.next().getText();
		if (nodeIter.previousIndex() == 0)
			appendable.append(Strings.removeLeadingWhitespace(text));
		else if (nodeIter.nextIndex() == nodes.size())
			appendable.append(Strings.trimTrailingLineBreak(text));
		else
			appendable.append(text);
	}
	appendable.append(" as ");
	appendable.append(declaringType);
	appendable.append(")");
	appendable.commitChanges();
}
 

@Override
public void apply(EObject element, IModificationContext context) throws Exception {
	final XtendExecutable xtendExecutable = EcoreUtil2.getContainerOfType(element, XtendExecutable.class);
	final int insertPosition;
	if (xtendExecutable.getExpression() == null) {
		final ICompositeNode functionNode = NodeModelUtils.findActualNodeFor(xtendExecutable);
		if (functionNode == null) {
			throw new IllegalStateException("functionNode may not be null"); //$NON-NLS-1$
		}
		insertPosition = functionNode.getEndOffset();
	} else {
		final ICompositeNode expressionNode = NodeModelUtils.findActualNodeFor(xtendExecutable.getExpression());
		if (expressionNode == null) {
			throw new IllegalStateException("expressionNode may not be null"); //$NON-NLS-1$
		}
		insertPosition = expressionNode.getOffset();
	}
	final ReplacingAppendable appendable = getTools().getAppendableFactory().create(context.getXtextDocument(),
			(XtextResource) xtendExecutable.eResource(), insertPosition, 0);
	if (xtendExecutable.getExpression() == null) {
		appendable.append(" "); //$NON-NLS-1$
	}
	appendable.append(getTools().getGrammarAccess().getColonKeyword());
	appendable.append(" "); //$NON-NLS-1$
	appendable.append(this.expectedType);
	if (xtendExecutable.getExpression() != null) {
		appendable.append(" "); //$NON-NLS-1$
	}
	appendable.commitChanges();
}