diff options
Diffstat (limited to 'bundles/org.eclipse.wst.html.core/src/org/eclipse/wst/html/core/htmlcss/HTMLDocumentAdapter.java')
| -rw-r--r-- | bundles/org.eclipse.wst.html.core/src/org/eclipse/wst/html/core/htmlcss/HTMLDocumentAdapter.java | 398 |
1 files changed, 0 insertions, 398 deletions
diff --git a/bundles/org.eclipse.wst.html.core/src/org/eclipse/wst/html/core/htmlcss/HTMLDocumentAdapter.java b/bundles/org.eclipse.wst.html.core/src/org/eclipse/wst/html/core/htmlcss/HTMLDocumentAdapter.java deleted file mode 100644 index a2ecc232dc..0000000000 --- a/bundles/org.eclipse.wst.html.core/src/org/eclipse/wst/html/core/htmlcss/HTMLDocumentAdapter.java +++ /dev/null @@ -1,398 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2004 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.htmlcss; - - - -import java.util.ArrayList; -import java.util.Collection; -import java.util.Enumeration; -import java.util.Iterator; -import java.util.List; -import java.util.Vector; - -import org.eclipse.wst.css.core.adapters.IStyleSheetAdapter; -import org.eclipse.wst.css.core.adapters.IStyleSheetListAdapter; -import org.eclipse.wst.css.core.document.ICSSImportRule; -import org.eclipse.wst.css.core.document.ICSSModel; -import org.eclipse.wst.css.core.document.ICSSNode; -import org.eclipse.wst.css.core.util.CSSClassTraverser; -import org.eclipse.wst.css.core.util.ImportRuleCollector; -import org.eclipse.wst.html.core.HTML40Namespace; -import org.eclipse.wst.html.core.contentmodel.JSP11Namespace; -import org.eclipse.wst.sse.core.INodeAdapter; -import org.eclipse.wst.sse.core.INodeNotifier; -import org.eclipse.wst.xml.core.document.XMLElement; -import org.w3c.dom.Document; -import org.w3c.dom.Element; -import org.w3c.dom.Node; -import org.w3c.dom.css.CSSStyleDeclaration; -import org.w3c.dom.stylesheets.StyleSheet; -import org.w3c.dom.stylesheets.StyleSheetList; - - - -/** - */ -public class HTMLDocumentAdapter implements IStyleSheetListAdapter, StyleSheetList { - - private Document document = null; - private Vector styleAdapters = null; - private Vector oldStyleAdapters = null; - - /** - */ - HTMLDocumentAdapter() { - super(); - } - - /** - */ - private void addStyleSheet(Element node) { - XMLElement element = (XMLElement) node; - String tagName = element.getTagName(); - if (tagName == null) - return; - boolean isContainer = false; - if (tagName.equalsIgnoreCase(HTML40Namespace.ElementName.HTML) || tagName.equalsIgnoreCase(HTML40Namespace.ElementName.HEAD) || tagName.equalsIgnoreCase(HTML40Namespace.ElementName.NOSCRIPT) || tagName.equalsIgnoreCase(HTML40Namespace.ElementName.BASE) || tagName.equalsIgnoreCase(JSP11Namespace.ElementName.ROOT) || (!element.isGlobalTag() && element.isContainer())) { - isContainer = true; - } - else if (element.isCommentTag()) { - Node parent = element.getParentNode(); - if (parent == element.getOwnerDocument()) { - // This condition is too severe, actually do not work for JSF template. - // But above (! globalTag() && isContainer()) cover JSF template + tpl template - isContainer = true; - } - else if (parent.getNodeType() == Node.ELEMENT_NODE) { - tagName = ((Element) parent).getTagName(); - if (tagName != null && tagName.equalsIgnoreCase(HTML40Namespace.ElementName.HEAD)) { - isContainer = true; - } - } - } - - else { - String localName = element.getLocalName(); - if (localName != null && localName.equalsIgnoreCase(HTML40Namespace.ElementName.HTML)) { - // taglib html tag - isContainer = true; - } - else { - INodeNotifier notifier = element; - INodeAdapter adapter = notifier.getAdapterFor(IStyleSheetAdapter.class); - if (adapter != null && adapter instanceof IStyleSheetAdapter) { - this.styleAdapters.addElement(adapter); - } - } - } - if (isContainer) { - INodeNotifier notifier = element; - if (notifier.getExistingAdapter(IStyleSheetListAdapter.class) == null) { - notifier.addAdapter(this); - } - for (Node child = element.getFirstChild(); child != null; child = child.getNextSibling()) { - if (child.getNodeType() != Node.ELEMENT_NODE) - continue; - addStyleSheet((Element) child); - } - } - } - - /** - */ - void childReplaced() { - if (this.styleAdapters == null) - return; - - // backup old adapters to be released on updating in getStyleSheets() - this.oldStyleAdapters = this.styleAdapters; - // invalidate the list - this.styleAdapters = null; - - notifyStyleSheetsChanged(this.document); - } - - /** - */ - public Enumeration getClasses() { - StyleSheetList sheetList = getStyleSheets(); - int nSheets = sheetList.getLength(); - - final ArrayList classes = new ArrayList(); - - CSSClassTraverser traverser = new CSSClassTraverser(); - traverser.setTraverseImported(true); - - for (int i = 0; i < nSheets; i++) { - org.w3c.dom.stylesheets.StyleSheet sheet = sheetList.item(i); - if (sheet instanceof ICSSNode) { - traverser.apply((ICSSNode) sheet); - } - } - classes.addAll(traverser.getClassNames()); - - return new Enumeration() { - int i = 0; - - public boolean hasMoreElements() { - return i < classes.size(); - } - - public Object nextElement() { - return classes.get(i++); - } - }; - } - - /** - */ - private List getValidAdapters() { - Vector validAdapters = new Vector(); - if (this.styleAdapters != null) { - Iterator i = this.styleAdapters.iterator(); - while (i.hasNext()) { - Object obj = i.next(); - if (obj instanceof AbstractStyleSheetAdapter && ((AbstractStyleSheetAdapter) obj).isValidAttribute()) { - validAdapters.add(obj); - } - } - } - return validAdapters; - } - - /** - */ - public int getLength() { - return getValidAdapters().size(); - } - - /** - */ - public CSSStyleDeclaration getOverrideStyle(Element element, String pseudoName) { - StyleSheetList ssl = getStyleSheets(); - int numStyles = ssl.getLength(); - - CSSQueryTraverser query = new CSSQueryTraverser(); - query.setTraverseImported(true); - query.setTraverseImportFirst(true); - query.setElement(element, pseudoName); - - for (int i = 0; i < numStyles; i++) { - // loop for styles (<style> and <link>) - org.w3c.dom.stylesheets.StyleSheet ss = ssl.item(i); - - try { - query.apply((ICSSNode) ss); - } - catch (ClassCastException ex) { - // I can handle only CSS style - } - } - - return query.getDeclaration(); - } - - /** - */ - public StyleSheetList getStyleSheets() { - if (this.styleAdapters == null) { - if (this.document == null) - return null; - - this.styleAdapters = new Vector(); - for (Node child = this.document.getFirstChild(); child != null; child = child.getNextSibling()) { - if (child.getNodeType() != Node.ELEMENT_NODE) - continue; - addStyleSheet((Element) child); - } - - removeOldStyleSheets(); - } - return this; - } - - /** - * Allowing the INodeAdapter to compare itself against the type - * allows it to return true in more than one case. - */ - public boolean isAdapterForType(Object type) { - return (type == IStyleSheetListAdapter.class); - } - - /** - */ - public StyleSheet item(int index) { - if (this.styleAdapters == null) - return null; - - List validAdapters = getValidAdapters(); - - if (index < 0 || index >= validAdapters.size()) - return null; - org.w3c.dom.stylesheets.StyleSheet sheet = ((IStyleSheetAdapter) validAdapters.get(index)).getSheet(); - if (sheet == null) {// for LINK element whose link is broken - ICSSModel model = ((AbstractStyleSheetAdapter) this.styleAdapters.elementAt(index)).createModel(); - sheet = ((model != null) ? (StyleSheet) model.getDocument() : null); - } - return sheet; - } - - /** - */ - public void notifyChanged(INodeNotifier notifier, int eventType, Object changedFeature, Object oldValue, Object newValue, int pos) { - Node node = null; - switch (eventType) { - case INodeNotifier.ADD : - node = (Node) newValue; - break; - case INodeNotifier.REMOVE : - node = (Node) oldValue; - break; - case INodeNotifier.CHANGE : - node = (Node) notifier; - break; - default : - break; - } - if (node == null || node.getNodeType() != Node.ELEMENT_NODE) - return; - XMLElement element = (XMLElement) node; - String tagName = element.getTagName(); - if (tagName == null) - return; - - if (eventType == INodeNotifier.CHANGE) { - if (tagName.equalsIgnoreCase(HTML40Namespace.ElementName.BASE)) { - refreshAdapters(); - } - } - else { - if (tagName.equalsIgnoreCase(HTML40Namespace.ElementName.HTML) || tagName.equalsIgnoreCase(HTML40Namespace.ElementName.HEAD) || tagName.equalsIgnoreCase(HTML40Namespace.ElementName.STYLE) || tagName.equalsIgnoreCase(HTML40Namespace.ElementName.LINK) || tagName.equalsIgnoreCase(HTML40Namespace.ElementName.NOSCRIPT) || tagName.equalsIgnoreCase(JSP11Namespace.ElementName.ROOT) || element.isCommentTag() || (!element.isGlobalTag() && element.isContainer())) { - childReplaced(); - } - else if (tagName.equalsIgnoreCase(HTML40Namespace.ElementName.BASE)) { - refreshAdapters(); - } - else { - String localName = element.getLocalName(); - if (localName != null && localName.equalsIgnoreCase(HTML40Namespace.ElementName.HTML)) { - // taglib html tag - childReplaced(); - } - } - } - } - - /** - * reload LINK / @import if BASE changed - */ - private void refreshAdapters() { - Iterator iAdapter = this.styleAdapters.iterator(); - while (iAdapter.hasNext()) { - Object adapter = iAdapter.next(); - if (adapter instanceof LinkElementAdapter) { - ((LinkElementAdapter) adapter).refreshSheet(); - } - else if (adapter instanceof StyleElementAdapter) { - ICSSModel model = ((StyleElementAdapter) adapter).getModel(); - ImportRuleCollector trav = new ImportRuleCollector(); - trav.apply(model); - Iterator iRule = trav.getRules().iterator(); - while (iRule.hasNext()) { - ICSSImportRule rule = (ICSSImportRule) iRule.next(); - rule.refreshStyleSheet(); - } - } - } - } - - /** - */ - private void notifyStyleSheetsChanged(Document target) { - INodeNotifier notifier = (INodeNotifier) target; - if (notifier == null) - return; - Collection adapters = notifier.getAdapters(); - if (adapters == null) - return; - Iterator it = adapters.iterator(); - if (it == null) - return; - while (it.hasNext()) { - INodeAdapter adapter = (INodeAdapter) it.next(); - if (adapter instanceof StyleListener) { - StyleListener listener = (StyleListener) adapter; - listener.styleChanged(); - } - } - } - - /** - */ - private void releaseOldStyleSheets() { - if (this.oldStyleAdapters == null) - return; - Iterator it = this.oldStyleAdapters.iterator(); - while (it.hasNext()) { - IStyleSheetAdapter adapter = (IStyleSheetAdapter) it.next(); - if (adapter == null) - continue; - // if the same adapter is in the current list, - // do not release - if (this.styleAdapters != null && this.styleAdapters.contains(adapter)) - continue; - adapter.released(); - } - this.oldStyleAdapters = null; - } - - /** - */ - public void releaseStyleSheets() { - releaseOldStyleSheets(); - - if (this.styleAdapters == null) - return; - Iterator it = this.styleAdapters.iterator(); - while (it.hasNext()) { - IStyleSheetAdapter adapter = (IStyleSheetAdapter) it.next(); - if (adapter != null) - adapter.released(); - } - this.styleAdapters = null; - } - - /** - */ - private void removeOldStyleSheets() { - if (this.oldStyleAdapters == null) - return; - Iterator it = this.oldStyleAdapters.iterator(); - while (it.hasNext()) { - IStyleSheetAdapter adapter = (IStyleSheetAdapter) it.next(); - if (adapter == null) - continue; - // if the same adapter is in the current list, - // do not release - if (this.styleAdapters != null && this.styleAdapters.contains(adapter)) - continue; - adapter.removed(); - } - this.oldStyleAdapters = null; - } - - /** - */ - void setDocument(Document document) { - this.document = document; - } -}
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