| /******************************************************************************* |
| * Copyright (c) 2004, 2005 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.html.core.internal.cleanup; |
| |
| |
| |
| import org.eclipse.wst.sse.core.internal.cleanup.IStructuredCleanupHandler; |
| import org.eclipse.wst.sse.core.internal.cleanup.IStructuredCleanupPreferences; |
| import org.eclipse.wst.sse.core.internal.provisional.text.IStructuredDocumentRegion; |
| import org.eclipse.wst.xml.core.internal.provisional.document.IDOMNode; |
| import org.eclipse.wst.xml.core.internal.regions.DOMRegionContext; |
| import org.w3c.dom.Node; |
| |
| // nakamori_TODO: check and remove CSS formatting |
| |
| class HTMLCleanupHandlerFactory { |
| |
| |
| |
| private static HTMLCleanupHandlerFactory fInstance = null; |
| |
| static synchronized HTMLCleanupHandlerFactory getInstance() { |
| if (fInstance == null) { |
| fInstance = new HTMLCleanupHandlerFactory(); |
| } |
| return fInstance; |
| } |
| |
| private HTMLCleanupHandlerFactory() { |
| super(); |
| } |
| |
| IStructuredCleanupHandler createHandler(Node node, IStructuredCleanupPreferences cleanupPreferences) { |
| short nodeType = node.getNodeType(); |
| IStructuredCleanupHandler handler = null; |
| switch (nodeType) { |
| case Node.ELEMENT_NODE : { |
| if (isJSPTag(node)) |
| handler = new JSPElementNodeCleanupHandler(); |
| else |
| handler = new ElementNodeCleanupHandler(); |
| break; |
| } |
| case Node.TEXT_NODE : { |
| if (isParentStyleTag(node)) |
| handler = new CSSTextNodeCleanupHandler(); |
| else |
| handler = new NodeCleanupHandler(); |
| break; |
| } |
| default : { |
| handler = new NodeCleanupHandler(); |
| } |
| } |
| |
| handler.setCleanupPreferences(cleanupPreferences); |
| |
| return handler; |
| } |
| |
| /** |
| * ISSUE: this is a bit of hidden JSP knowledge that was implemented this |
| * way for expedency. Should be evolved in future to depend on "nestedContext". |
| */ |
| |
| private boolean isJSPTag(Node node) { |
| |
| final String JSP_CLOSE = "JSP_CLOSE"; //$NON-NLS-1$ |
| // final String JSP_COMMENT_CLOSE = "JSP_COMMENT_CLOSE"; //$NON-NLS-1$ |
| |
| // final String JSP_COMMENT_OPEN = "JSP_COMMENT_OPEN"; //$NON-NLS-1$ |
| // final String JSP_COMMENT_TEXT = "JSP_COMMENT_TEXT"; //$NON-NLS-1$ |
| |
| final String JSP_CONTENT = "JSP_CONTENT"; //$NON-NLS-1$ |
| final String JSP_DECLARATION_OPEN = "JSP_DECLARATION_OPEN"; //$NON-NLS-1$ |
| final String JSP_DIRECTIVE_CLOSE = "JSP_DIRECTIVE_CLOSE"; //$NON-NLS-1$ |
| final String JSP_DIRECTIVE_NAME = "JSP_DIRECTIVE_NAME"; //$NON-NLS-1$ |
| |
| final String JSP_DIRECTIVE_OPEN = "JSP_DIRECTIVE_OPEN"; //$NON-NLS-1$ |
| final String JSP_EXPRESSION_OPEN = "JSP_EXPRESSION_OPEN"; //$NON-NLS-1$ |
| |
| // final String JSP_ROOT_TAG_NAME = "JSP_ROOT_TAG_NAME"; //$NON-NLS-1$ |
| |
| final String JSP_SCRIPTLET_OPEN = "JSP_SCRIPTLET_OPEN"; //$NON-NLS-1$ |
| |
| boolean result = false; |
| |
| if (node instanceof IDOMNode) { |
| IStructuredDocumentRegion flatNode = ((IDOMNode) node).getFirstStructuredDocumentRegion(); |
| // in some cases, the nodes exists, but hasn't been associated |
| // with |
| // a flatnode yet (the screen updates can be initiated on a |
| // different thread, |
| // so the request for a flatnode can come in before the node is |
| // fully formed. |
| // if the flatnode is null, we'll just allow the defaults to |
| // apply. |
| if (flatNode != null) { |
| String flatNodeType = flatNode.getType(); |
| // should not be null, but just to be sure |
| if (flatNodeType != null) { |
| if ((flatNodeType.equals(JSP_CONTENT)) || (flatNodeType.equals(JSP_EXPRESSION_OPEN)) || (flatNodeType.equals(JSP_SCRIPTLET_OPEN)) || (flatNodeType.equals(JSP_DECLARATION_OPEN)) || (flatNodeType.equals(JSP_DIRECTIVE_CLOSE)) || (flatNodeType.equals(JSP_DIRECTIVE_NAME)) || (flatNodeType.equals(JSP_DIRECTIVE_OPEN)) || (flatNodeType.equals(JSP_CLOSE))) { |
| result = true; |
| } |
| } |
| } |
| } |
| |
| return result; |
| } |
| |
| private boolean isParentStyleTag(Node node) { |
| if (node == null) |
| return false; |
| if (node.getNodeType() != Node.TEXT_NODE) |
| return false; |
| if (!(node instanceof IDOMNode)) |
| return false; |
| IStructuredDocumentRegion flatNode = ((IDOMNode) node).getFirstStructuredDocumentRegion(); |
| if (flatNode == null) |
| return false; |
| if (flatNode.getType() != DOMRegionContext.BLOCK_TEXT) |
| return false; |
| |
| // check if the parent is STYLE element |
| Node parent = node.getParentNode(); |
| if (parent == null) |
| return false; |
| if (parent.getNodeType() != Node.ELEMENT_NODE) |
| return false; |
| String name = parent.getNodeName(); |
| if (name == null) |
| return false; |
| if (!name.equalsIgnoreCase("STYLE"))//$NON-NLS-1$ |
| return false; |
| return true; |
| } |
| |
| } |