| /******************************************************************************* |
| * Copyright (c) 2004, 2007 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.wst.css.core.internal.format; |
| |
| import java.util.List; |
| |
| import org.eclipse.jface.text.DocumentRewriteSession; |
| import org.eclipse.jface.text.DocumentRewriteSessionType; |
| import org.eclipse.jface.text.IDocumentExtension4; |
| import org.eclipse.wst.css.core.internal.formatter.CSSFormatUtil; |
| import org.eclipse.wst.css.core.internal.formatter.CSSSourceFormatter; |
| import org.eclipse.wst.css.core.internal.formatter.CSSSourceFormatterFactory; |
| import org.eclipse.wst.css.core.internal.provisional.document.ICSSDocument; |
| import org.eclipse.wst.css.core.internal.provisional.document.ICSSModel; |
| import org.eclipse.wst.css.core.internal.provisional.document.ICSSNode; |
| import org.eclipse.wst.sse.core.internal.format.AbstractStructuredFormatProcessor; |
| import org.eclipse.wst.sse.core.internal.format.IStructuredFormatPreferences; |
| import org.eclipse.wst.sse.core.internal.format.IStructuredFormatter; |
| import org.eclipse.wst.sse.core.internal.provisional.INodeNotifier; |
| import org.eclipse.wst.sse.core.internal.provisional.IStructuredModel; |
| import org.eclipse.wst.sse.core.internal.provisional.IndexedRegion; |
| import org.eclipse.wst.xml.core.internal.provisional.document.IDOMModel; |
| import org.w3c.dom.Node; |
| |
| |
| public class FormatProcessorCSS extends AbstractStructuredFormatProcessor { |
| /* |
| * Max length of text to be formatted to be considered a "small change" |
| * Used for document rewrite session type. |
| */ |
| private final int MAX_SMALL_FORMAT_SIZE = 1000; |
| |
| protected String getFileExtension() { |
| return "css"; //$NON-NLS-1$ |
| } |
| |
| public void formatModel(IStructuredModel structuredModel, int start, int length) { |
| CSSFormatUtil formatUtil = CSSFormatUtil.getInstance(); |
| if (structuredModel instanceof ICSSModel) { |
| // BUG102822 take advantage of IDocumentExtension4 |
| IDocumentExtension4 docExt4 = null; |
| if (structuredModel.getStructuredDocument() instanceof IDocumentExtension4) { |
| docExt4 = (IDocumentExtension4) structuredModel.getStructuredDocument(); |
| } |
| DocumentRewriteSession rewriteSession = null; |
| |
| try { |
| DocumentRewriteSessionType rewriteType = (length > MAX_SMALL_FORMAT_SIZE) ? DocumentRewriteSessionType.UNRESTRICTED : DocumentRewriteSessionType.UNRESTRICTED_SMALL; |
| rewriteSession = (docExt4 == null || docExt4.getActiveRewriteSession() != null) ? null : docExt4.startRewriteSession(rewriteType); |
| |
| ICSSDocument doc = ((ICSSModel) structuredModel).getDocument(); |
| CSSSourceFormatter formatter = CSSSourceFormatterFactory.getInstance().getSourceFormatter((INodeNotifier) doc); |
| StringBuffer buf = formatter.format(doc); |
| if (buf != null) { |
| int startOffset = ((IndexedRegion) doc).getStartOffset(); |
| int endOffset = ((IndexedRegion) doc).getEndOffset(); |
| formatUtil.replaceSource(doc.getModel(), startOffset, endOffset - startOffset, buf.toString()); |
| } |
| } |
| finally { |
| // BUG102822 take advantage of IDocumentExtension4 |
| if (docExt4 != null && rewriteSession != null) |
| docExt4.stopRewriteSession(rewriteSession); |
| } |
| } |
| else if (structuredModel instanceof IDOMModel) { |
| List cssnodes = formatUtil.collectCSSNodes(structuredModel, start, length); |
| if (cssnodes != null && !cssnodes.isEmpty()) { |
| ICSSModel model = null; |
| |
| // BUG102822 take advantage of IDocumentExtension4 |
| IDocumentExtension4 docExt4 = null; |
| if (structuredModel.getStructuredDocument() instanceof IDocumentExtension4) { |
| docExt4 = (IDocumentExtension4) structuredModel.getStructuredDocument(); |
| } |
| DocumentRewriteSession rewriteSession = null; |
| |
| try { |
| DocumentRewriteSessionType rewriteType = (length > MAX_SMALL_FORMAT_SIZE) ? DocumentRewriteSessionType.UNRESTRICTED : DocumentRewriteSessionType.UNRESTRICTED_SMALL; |
| rewriteSession = (docExt4 == null || docExt4.getActiveRewriteSession() != null) ? null : docExt4.startRewriteSession(rewriteType); |
| |
| for (int i = 0; i < cssnodes.size(); i++) { |
| ICSSNode node = (ICSSNode) cssnodes.get(i); |
| CSSSourceFormatter formatter = CSSSourceFormatterFactory.getInstance().getSourceFormatter((INodeNotifier) node); |
| StringBuffer buf = formatter.format(node); |
| if (buf != null) { |
| int startOffset = ((IndexedRegion) node).getStartOffset(); |
| int endOffset = ((IndexedRegion) node).getEndOffset(); |
| if (model == null) { |
| model = node.getOwnerDocument().getModel(); |
| } |
| formatUtil.replaceSource(model, startOffset, endOffset - startOffset, buf.toString()); |
| } |
| } |
| } |
| finally { |
| // BUG102822 take advantage of IDocumentExtension4 |
| if (docExt4 != null && rewriteSession != null) |
| docExt4.stopRewriteSession(rewriteSession); |
| } |
| } |
| } |
| } |
| |
| public IStructuredFormatPreferences getFormatPreferences() { |
| return null; |
| } |
| |
| protected IStructuredFormatter getFormatter(Node node) { |
| return null; |
| } |
| |
| protected void refreshFormatPreferences() { |
| } |
| } |