org.eclipse.xtext.ui.editor.folding.IFoldingRegionAcceptor Java Examples

The following examples show how to use org.eclipse.xtext.ui.editor.folding.IFoldingRegionAcceptor. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source File: SolidityFoldingRegionProvider.java    From solidity-ide with Eclipse Public License 1.0 6 votes vote down vote up 
@Override
protected void computeCommentFolding(IXtextDocument xtextDocument,
		IFoldingRegionAcceptor<ITextRegion> foldingRegionAcceptor, ITypedRegion typedRegion,
		boolean initiallyFolded) {

	String text;
	try {
		text = xtextDocument.get(typedRegion.getOffset(), typedRegion.getLength());
		int lines = Strings.countLines(text);
		if (shouldCreateCommentFolding(lines)) {
			boolean collapse = shouldCollapse(typedRegion, lines);
			super.computeCommentFolding(xtextDocument, foldingRegionAcceptor, typedRegion, collapse);
		}
	} catch (BadLocationException e) {
		log.error(e, e);
	}

}
Example #2
Source File: GamaFoldingRegionProvider.java    From gama with GNU General Public License v3.0 6 votes vote down vote up 
@Override
protected void computeCommentFolding(final IXtextDocument xtextDocument,
		final IFoldingRegionAcceptor<ITextRegion> foldingRegionAcceptor, final ITypedRegion typedRegion,
		final boolean initiallyFolded) throws BadLocationException {
	final int offset = typedRegion.getOffset();
	final int length = typedRegion.getLength();
	final Matcher matcher = getTextPatternInComment().matcher(xtextDocument.get(offset, length));
	((GamaFoldingRegionAcceptor) foldingRegionAcceptor).type = typedRegion.getType();
	if (matcher.find()) {
		final TextRegion significant = new TextRegion(offset + matcher.start(), 0);
		((IFoldingRegionAcceptorExtension<ITextRegion>) foldingRegionAcceptor).accept(offset, length,
				initiallyFolded, significant);
	} else {
		((IFoldingRegionAcceptorExtension<ITextRegion>) foldingRegionAcceptor).accept(offset, length,
				initiallyFolded);
	}
}
Example #3
Source File: DotHtmlLabelFoldingRegionProvider.java    From gef with Eclipse Public License 2.0 6 votes vote down vote up 
@Override
protected void computeObjectFolding(EObject eObject,
		IFoldingRegionAcceptor<ITextRegion> foldingRegionAcceptor) {

	/*
	 * Do not calculate folding region if the html content contains only
	 * whitespaces
	 */
	if (eObject instanceof HtmlContent) {
		HtmlContent htmlContent = (HtmlContent) eObject;
		if (htmlContent.getText() != null
				&& !htmlContent.getText().trim().isEmpty()) {
			super.computeObjectFolding(eObject, foldingRegionAcceptor);
		}
	} else {
		super.computeObjectFolding(eObject, foldingRegionAcceptor);
	}
}
Example #4
Source File: DotFoldingRegionProvider.java    From gef with Eclipse Public License 2.0 6 votes vote down vote up 
@Override
protected void computeObjectFolding(EObject eObject,
		IFoldingRegionAcceptor<ITextRegion> foldingRegionAcceptor) {
	ILocationInFileProvider locationInFileProvider = getLocationInFileProvider();
	ITextRegion region = locationInFileProvider.getFullTextRegion(eObject);
	ITextRegionWithLineInformation regionWithLineInformation = (ITextRegionWithLineInformation) region;
	if (region != null) {
		ITextRegion significant = locationInFileProvider
				.getSignificantTextRegion(eObject);
		if (significant == null)
			throw new NullPointerException(
					"significant region may not be null"); //$NON-NLS-1$
		if (!isAlreadyAccepted(regionWithLineInformation)) {
			foldingRegionAcceptor.accept(region.getOffset(),
					region.getLength(), significant);
			acceptedRegions.add(regionWithLineInformation);
		}
	}
}
Example #5
Source File: DotFoldingRegionProvider.java    From gef with Eclipse Public License 2.0 6 votes vote down vote up 
protected void computeObjectFolding(XtextResource xtextResource,
		IFoldingRegionAcceptor<ITextRegion> foldingRegionAcceptor) {
	acceptedRegions.clear();

	IParseResult parseResult = xtextResource.getParseResult();
	if (parseResult != null) {
		EObject rootASTElement = parseResult.getRootASTElement();
		if (rootASTElement != null) {
			TreeIterator<EObject> allContents = rootASTElement
					.eAllContents();
			while (allContents.hasNext()) {
				EObject eObject = allContents.next();
				if (isHandled(eObject)) {
					computeObjectFolding(eObject, foldingRegionAcceptor);
				}
				if (eObject instanceof Attribute) {
					computeDotAttributeValueFolding((Attribute) eObject,
							foldingRegionAcceptor);
				}
				if (!shouldProcessContent(eObject)) {
					allContents.prune();
				}
			}
		}
	}
}
Example #6
Source File: StatemachineFoldingRegionProvider.java    From xtext-eclipse with Eclipse Public License 2.0 5 votes vote down vote up 
private void computeFoldingRegionBetweenKeywords(XtextResource it, Keyword startKeyword, Keyword endKeyword,
		IFoldingRegionAcceptor<ITextRegion> foldingRegionAcceptor) {
	ITextRegion region = textRegionBetween(it, startKeyword, endKeyword);
	if (region != null) {
		foldingRegionAcceptor.accept(region.getOffset(), region.getLength());
	}
}
Example #7
Source File: DotFoldingRegionProvider.java    From gef with Eclipse Public License 2.0 5 votes vote down vote up 
/**
 * Compute folding regions for the dot attribute value if possible.
 *
 * @param dotAttribute
 * @param foldingRegionAcceptor
 */
private void computeDotAttributeValueFolding(Attribute attribute,
		IFoldingRegionAcceptor<ITextRegion> foldingRegionAcceptor) {
	// The folding should be able to cope with incomplete statements
	if (attribute.getValue() != null
			&& attribute.getValue().getType() == ID.Type.HTML_STRING) {
		String htmlLabelValue = attribute.getValue().toValue();
		Injector injector = DotActivator.getInstance().getInjector(
				DotActivator.ORG_ECLIPSE_GEF_DOT_INTERNAL_LANGUAGE_DOTHTMLLABEL);
		IFoldingRegionProvider htmlLabelFoldingRegionProvider = injector
				.getInstance(IFoldingRegionProvider.class);

		IXtextDocument xtextDocument = null;
		try {
			xtextDocument = DotEditorUtils.getDocument(injector,
					htmlLabelValue);
		} catch (Exception e) {
			DotActivatorEx.logError(e);
		}

		if (xtextDocument != null) {
			Collection<FoldedPosition> htmlLabelFoldingRegions = htmlLabelFoldingRegionProvider
					.getFoldingRegions(xtextDocument);
			for (Iterator<FoldedPosition> iterator = htmlLabelFoldingRegions
					.iterator(); iterator.hasNext();) {
				FoldedPosition htmlFoldedPosition = iterator.next();
				int attributeValueStartOffset = getAttributeValueStartOffset(
						attribute);
				foldingRegionAcceptor.accept(
						attributeValueStartOffset
								+ htmlFoldedPosition.getOffset(),
						htmlFoldedPosition.getLength() - 1);
			}
		}
	}
}
Example #8
Source File: StatemachineFoldingRegionProvider.java    From xtext-eclipse with Eclipse Public License 2.0 5 votes vote down vote up 
@Override
protected void computeObjectFolding(EObject o, IFoldingRegionAcceptor<ITextRegion> foldingRegionAcceptor) {
	if (o instanceof Statemachine) {
		XtextResource res = (XtextResource) o.eResource();
		computeEventsFolding(res, foldingRegionAcceptor);
		computeResetEventsFolding(res, foldingRegionAcceptor);
		computeCommandsFolding(res, foldingRegionAcceptor);
	} else {
		super.computeObjectFolding(o, foldingRegionAcceptor);
	}
}
Example #9
Source File: XtendFoldingRegionProvider.java    From xtext-xtend with Eclipse Public License 2.0 5 votes vote down vote up 
@Override
protected void computeCommentFolding(IXtextDocument xtextDocument,
		IFoldingRegionAcceptor<ITextRegion> foldingRegionAcceptor, ITypedRegion typedRegion, boolean initiallyFolded)
		throws BadLocationException {
	if (xtextDocument.get(0, typedRegion.getOffset()).trim().length()==0) {
		super.computeCommentFolding(xtextDocument, foldingRegionAcceptor, typedRegion, foldingPreferences.isFoldHeader());
	} else {
		super.computeCommentFolding(xtextDocument, foldingRegionAcceptor, typedRegion, foldingPreferences.isFoldComments());
	}
}
Example #10
Source File: XtendFoldingRegionProvider.java    From xtext-xtend with Eclipse Public License 2.0 5 votes vote down vote up 
@Override
protected void computeObjectFolding(EObject eObject, IFoldingRegionAcceptor<ITextRegion> foldingRegionAcceptor) {
	if (eObject instanceof XtendFile) {
		computeImportFolding((XtendFile)eObject, foldingRegionAcceptor);
	} else {
		boolean initiallyFolded = false;
		if (eObject instanceof XtendFunction) {
			initiallyFolded = foldingPreferences.isFoldMethods();
		}
		if (eObject instanceof XtendTypeDeclaration && !(eObject.eContainer() instanceof XtendFile)) {
			initiallyFolded = foldingPreferences.isFoldInnerTypes();
		}
		super.computeObjectFolding(eObject, foldingRegionAcceptor, initiallyFolded);
	}
}
Example #11
Source File: XtendFoldingRegionProvider.java    From xtext-xtend with Eclipse Public License 2.0 5 votes vote down vote up 
protected void computeImportFolding(XtendFile xtendFile, IFoldingRegionAcceptor<ITextRegion> foldingRegionAcceptor) {
	if(xtendFile.getImportSection() != null 
			&& xtendFile.getImportSection().getImportDeclarations().size() >1) {
		ICompositeNode node = NodeModelUtils.findActualNodeFor(xtendFile.getImportSection());
		if(node != null) {
			ITextRegion textRegion = node.getTextRegion();
			((IFoldingRegionAcceptorExtension<ITextRegion>)foldingRegionAcceptor).accept(textRegion.getOffset(), textRegion.getLength(), foldingPreferences.isFoldImports());
		}
	}
}
Example #12
Source File: SolidityFoldingRegionProvider.java    From solidity-ide with Eclipse Public License 1.0 5 votes vote down vote up 
@Override
protected void computeObjectFolding(EObject eObject, IFoldingRegionAcceptor<ITextRegion> foldingRegionAcceptor,
		boolean initiallyFolded) {
	if (FOLDING_TYPES.contains(eObject.eClass())) {
		super.computeObjectFolding(eObject, foldingRegionAcceptor, initiallyFolded);
	}
}
Example #13
Source File: StatemachineFoldingRegionProvider.java    From xtext-eclipse with Eclipse Public License 2.0 4 votes vote down vote up 
private void computeCommandsFolding(XtextResource res,
		IFoldingRegionAcceptor<ITextRegion> foldingRegionAcceptor) {
	computeFoldingRegionBetweenKeywords(res,
			statemachineGrammarAccess.getStatemachineAccess().getCommandsKeyword_3_0(),
			statemachineGrammarAccess.getStatemachineAccess().getEndKeyword_3_2(), foldingRegionAcceptor);
}
Example #14
Source File: StatemachineFoldingRegionProvider.java    From xtext-eclipse with Eclipse Public License 2.0 4 votes vote down vote up 
private void computeResetEventsFolding(XtextResource res,
		IFoldingRegionAcceptor<ITextRegion> foldingRegionAcceptor) {
	computeFoldingRegionBetweenKeywords(res,
			statemachineGrammarAccess.getStatemachineAccess().getResetEventsKeyword_2_0(),
			statemachineGrammarAccess.getStatemachineAccess().getEndKeyword_2_2(), foldingRegionAcceptor);
}
Example #15
Source File: StatemachineFoldingRegionProvider.java    From xtext-eclipse with Eclipse Public License 2.0 4 votes vote down vote up 
private void computeEventsFolding(XtextResource res, IFoldingRegionAcceptor<ITextRegion> foldingRegionAcceptor) {
	computeFoldingRegionBetweenKeywords(res,
			statemachineGrammarAccess.getStatemachineAccess().getEventsKeyword_1_0(),
			statemachineGrammarAccess.getStatemachineAccess().getEndKeyword_1_2(), foldingRegionAcceptor);
}
Example #16
Source File: GamaFoldingRegionProvider.java    From gama with GNU General Public License v3.0 4 votes vote down vote up 
@Override
protected void computeObjectFolding(final XtextResource xtextResource,
		final IFoldingRegionAcceptor<ITextRegion> foldingRegionAcceptor) {
	super.computeObjectFolding(xtextResource, foldingRegionAcceptor);
}
Example #17
Source File: GamaFoldingRegionProvider.java    From gama with GNU General Public License v3.0 4 votes vote down vote up 
@Override
protected void computeObjectFolding(final EObject eObject,
		final IFoldingRegionAcceptor<ITextRegion> foldingRegionAcceptor) {
	super.computeObjectFolding(eObject, foldingRegionAcceptor);
}
Example #18
Source File: GamaFoldingRegionProvider.java    From gama with GNU General Public License v3.0 4 votes vote down vote up 
@Override
protected void computeObjectFolding(final EObject eObject,
		final IFoldingRegionAcceptor<ITextRegion> foldingRegionAcceptor, final boolean initiallyFolded) {
	super.computeObjectFolding(eObject, foldingRegionAcceptor, initiallyFolded);
}
Example #19
Source File: GamaFoldingRegionProvider.java    From gama with GNU General Public License v3.0 4 votes vote down vote up 
@Override
protected IFoldingRegionAcceptor<ITextRegion> createAcceptor(final IXtextDocument xtextDocument,
		final Collection<FoldedPosition> foldedPositions) {
	return new GamaFoldingRegionAcceptor(xtextDocument, foldedPositions);
}