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Diffstat (limited to 'bundles/org.eclipse.wst.css.core/src/org/eclipse/wst/css/core/internal/document/CSSModelImpl.java')
| -rw-r--r-- | bundles/org.eclipse.wst.css.core/src/org/eclipse/wst/css/core/internal/document/CSSModelImpl.java | 624 |
1 files changed, 0 insertions, 624 deletions
diff --git a/bundles/org.eclipse.wst.css.core/src/org/eclipse/wst/css/core/internal/document/CSSModelImpl.java b/bundles/org.eclipse.wst.css.core/src/org/eclipse/wst/css/core/internal/document/CSSModelImpl.java deleted file mode 100644 index b27151bad1..0000000000 --- a/bundles/org.eclipse.wst.css.core/src/org/eclipse/wst/css/core/internal/document/CSSModelImpl.java +++ /dev/null @@ -1,624 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2001, 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.css.core.internal.document; - - - -import java.util.Iterator; -import java.util.List; -import java.util.Vector; - -import org.eclipse.wst.css.core.internal.event.ICSSStyleListener; -import org.eclipse.wst.css.core.internal.eventimpl.CSSEmbededStyleNotifyAdapter; -import org.eclipse.wst.css.core.internal.eventimpl.CSSStyleNotifyAdapter; -import org.eclipse.wst.css.core.internal.parser.CSSSourceParser; -import org.eclipse.wst.css.core.internal.provisional.document.ICSSAttr; -import org.eclipse.wst.css.core.internal.provisional.document.ICSSDocument; -import org.eclipse.wst.css.core.internal.provisional.document.ICSSImportRule; -import org.eclipse.wst.css.core.internal.provisional.document.ICSSModel; -import org.eclipse.wst.css.core.internal.provisional.document.ICSSNode; -import org.eclipse.wst.css.core.internal.provisional.document.ICSSSelector; -import org.eclipse.wst.css.core.internal.provisional.document.ICSSSelectorList; -import org.eclipse.wst.css.core.internal.provisional.document.ICSSStyleDeclaration; -import org.eclipse.wst.css.core.internal.provisional.document.ICSSStyleRule; -import org.eclipse.wst.css.core.internal.provisional.document.ICSSValue; -import org.eclipse.wst.css.core.internal.util.ImportRuleCollector; -import org.eclipse.wst.css.core.internal.util.ImportedCollector; -import org.eclipse.wst.css.core.internal.util.SelectorsCollector; -import org.eclipse.wst.sse.core.internal.ltk.parser.RegionParser; -import org.eclipse.wst.sse.core.internal.model.AbstractStructuredModel; -import org.eclipse.wst.sse.core.internal.provisional.IStructuredModel; -import org.eclipse.wst.sse.core.internal.provisional.IndexedRegion; -import org.eclipse.wst.sse.core.internal.provisional.events.IStructuredDocumentListener; -import org.eclipse.wst.sse.core.internal.provisional.events.NewDocumentEvent; -import org.eclipse.wst.sse.core.internal.provisional.events.NoChangeEvent; -import org.eclipse.wst.sse.core.internal.provisional.events.RegionChangedEvent; -import org.eclipse.wst.sse.core.internal.provisional.events.RegionsReplacedEvent; -import org.eclipse.wst.sse.core.internal.provisional.events.StructuredDocumentRegionsReplacedEvent; -import org.eclipse.wst.sse.core.internal.provisional.exceptions.ResourceInUse; -import org.eclipse.wst.sse.core.internal.provisional.text.IStructuredDocument; -import org.eclipse.wst.sse.core.internal.provisional.text.IStructuredDocumentRegion; -import org.eclipse.wst.sse.core.internal.provisional.text.IStructuredDocumentRegionList; -import org.eclipse.wst.sse.core.internal.provisional.text.ITextRegion; -import org.eclipse.wst.sse.core.internal.provisional.text.ITextRegionList; -import org.eclipse.wst.sse.core.internal.util.Assert; -import org.eclipse.wst.xml.core.internal.provisional.document.IDOMNode; -import org.w3c.dom.Element; -import org.w3c.dom.Node; - - - -public class CSSModelImpl extends AbstractStructuredModel implements ICSSModel, IStructuredDocumentListener { - - private CSSDocumentImpl document = null; - private org.w3c.dom.Node ownerNode = null; - private CSSStyleNotifyAdapter styleNotifier = null; - private CSSModelParser fParser = null; - private CSSModelUpdater fUpdater = null; - private boolean fStructuredDocumentUpdate = false; - private final static String ID_NON_EXTERNAL_CSS = "**_NON_EXTERNAL_CSS_***";//$NON-NLS-1$ - - /** - * CSSModelImpl constructor comment. - * - */ - public CSSModelImpl() { - super(); - } - - /** - * @param listener - * org.eclipse.wst.css.core.event.CSSStyleListener - */ - public void addStyleListener(ICSSStyleListener listener) { - getStyleNotifier().addStyleListener(listener); - } - - void attrReplaced(CSSNodeImpl parentNode, CSSNodeImpl newAttr, CSSNodeImpl oldAttr) { - if (!fStructuredDocumentUpdate) { - CSSModelUpdater updater = getUpdater(); - updater.attrReplaced(parentNode, newAttr, oldAttr); - } - - ICSSSelector removed[] = null, added[] = null; - if (oldAttr != null && oldAttr.getNodeType() == ICSSNode.ATTR_NODE && ((CSSAttrImpl) oldAttr).getName().equals(ICSSStyleRule.SELECTOR)) { - CSSAttrImpl attr = (CSSAttrImpl) oldAttr; - // collect changed selector - ICSSSelectorList list = new CSSSelectorListImpl(attr.getValue()); - removed = new ICSSSelector[list.getLength()]; - for (int i = 0; i < list.getLength(); i++) - removed[i] = list.getSelector(i); - } - if (newAttr != null && newAttr.getNodeType() == ICSSNode.ATTR_NODE && ((CSSAttrImpl) newAttr).getName().equals(ICSSStyleRule.SELECTOR)) { - CSSAttrImpl attr = (CSSAttrImpl) newAttr; - // collect changed selector - ICSSSelectorList list = new CSSSelectorListImpl(attr.getValue()); - added = new ICSSSelector[list.getLength()]; - for (int i = 0; i < list.getLength(); i++) - added[i] = list.getSelector(i); - } - if (removed != null || added != null || getDocument().getNodeType() == ICSSNode.STYLEDECLARATION_NODE) { - getStyleNotifier().fire(removed, added, null); - } - // for href attribute - if (getStyleListeners() != null && getStyleListeners().size() > 0) { - boolean update = false; - if (oldAttr != null && oldAttr.getNodeType() == ICSSNode.ATTR_NODE && ((CSSAttrImpl) oldAttr).getName().equals(ICSSImportRule.HREF)) { - update = true; - } - if (newAttr != null && newAttr.getNodeType() == ICSSNode.ATTR_NODE && ((CSSAttrImpl) newAttr).getName().equals(ICSSImportRule.HREF)) { - update = true; - } - if (update) - ((ICSSImportRule) parentNode).getStyleSheet(); - } - } - - /** - * - */ - public void beginRecording(Object requester, String label, String description) { - getStyleNotifier().beginRecording(); - - Node node = getOwnerDOMNode(); - if (node != null && node instanceof IDOMNode) { - IStructuredModel model = ((IDOMNode) node).getModel(); - if (model != null) { - model.beginRecording(requester, label, description); - return; - } - } - super.beginRecording(requester, label, description); - } - - void childReplaced(CSSNodeImpl parentNode, CSSNodeImpl newChild, CSSNodeImpl oldChild) { - if (!fStructuredDocumentUpdate) { - CSSModelUpdater updater = getUpdater(); - updater.childReplaced(parentNode, newChild, oldChild); - } - - // always check and send selector event - ICSSSelector removed[] = null, added[] = null; - if (parentNode.getNodeType() == ICSSNode.STYLESHEET_NODE || parentNode.getNodeType() == ICSSNode.MEDIARULE_NODE) { - // collect old selectors - SelectorsCollector selTrav = new SelectorsCollector(); - selTrav.apply(oldChild); - int nSel = selTrav.getSelectors().size(); - if (nSel > 0) { - removed = new ICSSSelector[nSel]; - for (int i = 0; i < nSel; i++) - removed[i] = (ICSSSelector) selTrav.getSelectors().get(i); - } - // collect new selectors - selTrav = new SelectorsCollector(); - selTrav.apply(newChild); - nSel = selTrav.getSelectors().size(); - if (nSel > 0) { - added = new ICSSSelector[nSel]; - for (int i = 0; i < nSel; i++) - added[i] = (ICSSSelector) selTrav.getSelectors().get(i); - } - } - else { - // modification - ICSSNode rule = parentNode; - while (rule != null) { - if (rule instanceof ICSSStyleRule) - break; - rule = rule.getParentNode(); - } - if (rule != null) { - ICSSSelectorList list = ((ICSSStyleRule) rule).getSelectors(); - added = new ICSSSelector[list.getLength()]; - for (int i = 0; i < list.getLength(); i++) - added[i] = list.getSelector(i); - } - } - if (removed != null || added != null || getDocument().getNodeType() == ICSSNode.STYLEDECLARATION_NODE) { - // send selector changed event - getStyleNotifier().fire(removed, added, null); - } - // close removed import-rule's external style sheets - { - ImportRuleCollector trav = new ImportRuleCollector(); - trav.apply(oldChild); - Iterator it = trav.getRules().iterator(); - while (it.hasNext()) { - ((CSSImportRuleImpl) it.next()).closeStyleSheet(); - } - } - // send events to listener for new import-rules - if (getStyleListeners() != null && getStyleListeners().size() > 0) { - ImportedCollector trav = new ImportedCollector(); - trav.apply(newChild); - } - } - - /** - * - */ - private void closeImported() { - if (!isShared()) { - // release listeners - if (getStyleListeners() != null) { - Vector toRemove = new Vector(getStyleListeners()); - Iterator it = toRemove.iterator(); - while (it.hasNext()) { - removeStyleListener((ICSSStyleListener) it.next()); - } - } - // close import rules - ImportRuleCollector trav = new ImportRuleCollector(); - trav.apply(getDocument()); - Iterator it2 = trav.getRules().iterator(); - while (it2.hasNext()) { - ((CSSImportRuleImpl) it2.next()).releaseRule(); - } - } - } - - private CSSDocumentImpl createDocument() { - CSSDocumentImpl doc = null; - int parserMode = CSSSourceParser.MODE_STYLESHEET; - if (ownerNode == null) { - // this case is external CSS file - doc = (CSSStyleSheetImpl) DOMCSSImpl.createCSSStyleSheet(null, null); // parameters - // are - // for - // STYLE-tag - parserMode = CSSSourceParser.MODE_STYLESHEET; - } - else if (ownerNode instanceof org.w3c.dom.Element && ((Element) ownerNode).getTagName().toUpperCase().equals("STYLE")) {//$NON-NLS-1$ - // this case is STYLE-tag - Element style = (Element) ownerNode; - doc = (CSSStyleSheetImpl) DOMCSSImpl.createCSSStyleSheet(style.getAttribute("TITLE"), //$NON-NLS-1$ - style.getAttribute("MEDIA"));//$NON-NLS-1$ - parserMode = CSSSourceParser.MODE_STYLESHEET; - } - else if (ownerNode instanceof org.w3c.dom.Element || ownerNode instanceof org.w3c.dom.Attr) { - // Inline attributes - doc = (CSSStyleDeclarationImpl) DOMCSSImpl.createCSSStyleDeclaration(); - parserMode = CSSSourceParser.MODE_DECLARATION; - } - RegionParser regionParser = getStructuredDocument().getParser(); - if (regionParser instanceof CSSSourceParser) { - ((CSSSourceParser) regionParser).setParserMode(parserMode); - } - return doc; - } - - /** - * - */ - public void endRecording(Object requester) { - Node node = getOwnerDOMNode(); - if (node != null && node instanceof IDOMNode) { - IStructuredModel model = ((IDOMNode) node).getModel(); - if (model != null) { - model.endRecording(requester); - return; - } - } - super.endRecording(requester); - - getStyleNotifier().endRecording(); - } - - public ICSSDocument getDocument() { - if (document == null) { - this.document = createDocument(); - this.document.setModel(this); - } - return this.document; - } - - public IStructuredDocument getStructuredDocument() { - IStructuredDocument structuredDocument = null; - structuredDocument = super.getStructuredDocument(); - if (structuredDocument != null) - return structuredDocument; - - // the first time - Assert.isNotNull(getModelHandler()); - structuredDocument = (IStructuredDocument) getModelHandler().getDocumentLoader().createNewStructuredDocument(); - - setStructuredDocument(structuredDocument); - return structuredDocument; - } - - /** - * getNode method comment. - */ - public IndexedRegion getIndexedRegion(int offset) { - if (getDocument() == null) - return null; - return ((CSSStructuredDocumentRegionContainer) getDocument()).getContainerNode(offset); - } - - /** - * @return org.w3c.dom.Node - */ - public Node getOwnerDOMNode() { - return ownerNode; - } - - /** - * @param ownerNode - * org.w3c.dom.Node if the case of external CSS model, you - * should set null, else if internal css, you should set - * STYLE-tag node, else if inline css, you should set the - * element that is the owner of style-attribute. - */ - public void setOwnerDOMNode(Node node) { - // prohibit owner change - Assert.isTrue(ownerNode == null); - ownerNode = node; - if (ownerNode != null) { // for internal/inline CSS context - try { - setId(ID_NON_EXTERNAL_CSS); - } - catch (ResourceInUse e) { - // impossible - } - } - } - - /** - * currently public but may be made default access protected in future. - */ - protected CSSModelParser getParser() { - if (fParser == null) { - if (getDocument() != null) { - fParser = new CSSModelParser(document); - } - } - return fParser; - } - - /** - * @return java.util.List - */ - public List getStyleListeners() { - return getStyleNotifier().getStyleListeners(); - } - - /** - * - * @return java.lang.Object - */ - public java.lang.Object getStyleSheetType() { - if (getDocument() instanceof ICSSStyleDeclaration) - return INLINE; - if (getOwnerDOMNode() != null) - return EMBEDDED; - else - return EXTERNAL; - } - - private CSSStyleNotifyAdapter getStyleNotifier() { - if (styleNotifier == null) { - styleNotifier = (ownerNode != null) ? new CSSEmbededStyleNotifyAdapter(this) : new CSSStyleNotifyAdapter(this); - } - return styleNotifier; - } - - /** - * - */ - private CSSModelUpdater getUpdater() { - if (fUpdater == null) { - fUpdater = new CSSModelUpdater(this); - fUpdater.setParser(getParser()); - } - return fUpdater; - } - - /** - */ - public boolean isRecording() { - return getStyleNotifier().isRecording(); - } - - /** - * This function returns true if there are other references to the - * underlying model. - */ - public boolean isShared() { - return (getStyleSheetType() == EXTERNAL) && super.isShared(); - } - - public void newModel(NewDocumentEvent structuredDocumentEvent) { - if (structuredDocumentEvent == null) - return; - IStructuredDocument structuredDocument = structuredDocumentEvent.getStructuredDocument(); - if (structuredDocument == null) - return; - // this should not happen, but for the case - if (structuredDocument != getStructuredDocument()) - setStructuredDocument(structuredDocument); - IStructuredDocumentRegionList flatNodes = structuredDocument.getRegionList(); - if (flatNodes == null) - return; - if (getDocument() == null) - return; - - fStructuredDocumentUpdate = true; - - ((CSSStructuredDocumentRegionContainer) getDocument()).removeChildNodes(); - - CSSModelParser parser = getParser(); - parser.setStructuredDocumentEvent(structuredDocumentEvent); - parser.replaceStructuredDocumentRegions(flatNodes, null); - - fStructuredDocumentUpdate = false; - } - - /** - * noChange method comment. - */ - public void noChange(NoChangeEvent structuredDocumentEvent) { - // nop - } - - public void nodesReplaced(StructuredDocumentRegionsReplacedEvent structuredDocumentEvent) { - if (structuredDocumentEvent == null) { - return; - } - IStructuredDocumentRegionList oldStructuredDocumentRegions = structuredDocumentEvent.getOldStructuredDocumentRegions(); - IStructuredDocumentRegionList newStructuredDocumentRegions = structuredDocumentEvent.getNewStructuredDocumentRegions(); - if (oldStructuredDocumentRegions == null && newStructuredDocumentRegions == null) { - return; - } - - fStructuredDocumentUpdate = true; - - CSSModelParser parser = getParser(); - parser.setStructuredDocumentEvent(structuredDocumentEvent); - parser.replaceStructuredDocumentRegions(newStructuredDocumentRegions, oldStructuredDocumentRegions); - - fStructuredDocumentUpdate = false; - } - - /** - * cleanup -> rebuild CSS Nodes This is pre-beta fix for 178176. - */ - public void refreshNodes() { - // cleanup old nodes - fStructuredDocumentUpdate = true; - ((CSSStructuredDocumentRegionContainer) getDocument()).removeChildNodes(); - fStructuredDocumentUpdate = false; - - getParser().cleanupUpdateContext(); - - IStructuredDocument structuredDocument = getStructuredDocument(); - String source = structuredDocument.getText(); - - structuredDocument.replaceText(this, 0, source.length(), null); - structuredDocument.replaceText(this, 0, 0, source); - } - - public void regionChanged(RegionChangedEvent structuredDocumentEvent) { - if (structuredDocumentEvent == null) { - return; - } - IStructuredDocumentRegion flatNode = structuredDocumentEvent.getStructuredDocumentRegion(); - if (flatNode == null) { - return; - } - ITextRegion region = structuredDocumentEvent.getRegion(); - if (region == null) { - return; - } - - fStructuredDocumentUpdate = true; - - CSSModelParser parser = getParser(); - parser.setStructuredDocumentEvent(structuredDocumentEvent); - parser.changeRegion(flatNode, region); - - fStructuredDocumentUpdate = false; - } - - public void regionsReplaced(RegionsReplacedEvent structuredDocumentEvent) { - if (structuredDocumentEvent == null) - return; - IStructuredDocumentRegion flatNode = structuredDocumentEvent.getStructuredDocumentRegion(); - if (flatNode == null) - return; - ITextRegionList oldRegions = structuredDocumentEvent.getOldRegions(); - ITextRegionList newRegions = structuredDocumentEvent.getNewRegions(); - if (oldRegions == null && newRegions == null) - return; - - fStructuredDocumentUpdate = true; - - CSSModelParser parser = getParser(); - parser.setStructuredDocumentEvent(structuredDocumentEvent); - parser.replaceRegions(flatNode, newRegions, oldRegions); - - fStructuredDocumentUpdate = false; - - } - - /** - * - */ - public void releaseFromEdit() { - closeImported(); - if (getStyleSheetType() == EXTERNAL) { - super.releaseFromEdit(); - } - } - - /** - * - */ - public void releaseFromRead() { - closeImported(); - if (getStyleSheetType() == EXTERNAL) { - super.releaseFromRead(); - } - } - - /** - * @param listener - * org.eclipse.wst.css.core.event.CSSStyleListener - */ - public void removeStyleListener(ICSSStyleListener listener) { - getStyleNotifier().removeStyleListener(listener); - } - - public void setStructuredDocument(IStructuredDocument newStructuredDocument) { - IStructuredDocument oldStructuredDocument = super.getStructuredDocument(); - if (newStructuredDocument == oldStructuredDocument) - return; // noting to do - - if (oldStructuredDocument != null) - oldStructuredDocument.removeDocumentChangingListener(this); - super.setStructuredDocument(newStructuredDocument); - - if (newStructuredDocument != null) { - if (newStructuredDocument.getLength() > 0) { - newModel(new NewDocumentEvent(newStructuredDocument, this)); - } - newStructuredDocument.addDocumentChangingListener(this); - } - } - - /** - * @param srcModel - * com.imb.sed.css.mode.intefaces.ICSSModel - * @param removed - * org.eclipse.wst.css.core.model.interfaces.ICSSSelector[] - * @param added - * org.eclipse.wst.css.core.model.interfaces.ICSSSelector[] - */ - public void styleChanged(ICSSModel srcModel, ICSSSelector[] removed, ICSSSelector[] added, String media) { - getStyleNotifier().styleChanged(srcModel, removed, added, media); - } - - /** - * @param srcModel - * org.eclipse.wst.css.core.model.interfaces.ICSSModel - */ - public void styleUpdate(ICSSModel srcModel) { - getStyleNotifier().styleUpdate(srcModel); - } - - void valueChanged(CSSNodeImpl node, String oldValue) { - if (!fStructuredDocumentUpdate) { - CSSModelUpdater updater = getUpdater(); - updater.valueChanged(node, oldValue); - } - - ICSSSelector removed[] = null, added[] = null; - if (node != null) { - if (node.getNodeType() == ICSSNode.ATTR_NODE && ((CSSAttrImpl) node).getName().equals(ICSSStyleRule.SELECTOR)) { - CSSAttrImpl attr = (CSSAttrImpl) node; - // collect changed selector - ICSSSelectorList list = new CSSSelectorListImpl(attr.getValue()); - added = new ICSSSelector[list.getLength()]; - for (int i = 0; i < list.getLength(); i++) - added[i] = list.getSelector(i); - - // get old value - list = new CSSSelectorListImpl(oldValue); - removed = new ICSSSelector[list.getLength()]; - for (int i = 0; i < list.getLength(); i++) - removed[i] = list.getSelector(i); - } - else if (node instanceof ICSSValue) { - ICSSNode rule = node; - while (rule != null) { - if (rule instanceof ICSSStyleRule) - break; - rule = rule.getParentNode(); - } - if (rule != null) { - ICSSSelectorList list = ((ICSSStyleRule) rule).getSelectors(); - added = new ICSSSelector[list.getLength()]; - for (int i = 0; i < list.getLength(); i++) - added[i] = list.getSelector(i); - } - } - } - if (removed != null || added != null || getDocument().getNodeType() == ICSSNode.STYLEDECLARATION_NODE) { - // send selector changed event - getStyleNotifier().fire(removed, added, null); - } - // for href attribute - if (getStyleListeners() != null && getStyleListeners().size() > 0) { - if (node != null && node.getNodeType() == ICSSNode.ATTR_NODE && ((CSSAttrImpl) node).getName().equals(ICSSImportRule.HREF)) { - ((ICSSImportRule) ((ICSSAttr) node).getOwnerCSSNode()).getStyleSheet(); - } - } - } -}
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