Author: vrubezhny Date: 2009-12-18 18:04:41 -0500 (Fri, 18 Dec 2009) New Revision: 19481 Added: trunk/jst/plugins/org.jboss.tools.jst.jsp/src/org/jboss/tools/jst/jsp/TextHoverInformationProvider.java trunk/jst/plugins/org.jboss.tools.jst.jsp/src/org/jboss/tools/jst/jsp/contentassist/Utils.java trunk/jst/plugins/org.jboss.tools.jst.jsp/src/org/jboss/tools/jst/jsp/jspeditor/info/ trunk/jst/plugins/org.jboss.tools.jst.jsp/src/org/jboss/tools/jst/jsp/jspeditor/info/ChainTextHover.java trunk/jst/plugins/org.jboss.tools.jst.jsp/src/org/jboss/tools/jst/jsp/jspeditor/info/FaceletTagInfoHoverProcessor.java Modified: trunk/jst/plugins/org.jboss.tools.jst.jsp/plugin.xml trunk/jst/plugins/org.jboss.tools.jst.jsp/src/org/jboss/tools/jst/jsp/HTMLTextViewerConfiguration.java Log: JBIDE-4946: Tool tip for tag/attributes in XHTML editor. Issue is fixed Modified: trunk/jst/plugins/org.jboss.tools.jst.jsp/plugin.xml =================================================================== --- trunk/jst/plugins/org.jboss.tools.jst.jsp/plugin.xml 2009-12-18 22:32:28 UTC (rev 19480) +++ trunk/jst/plugins/org.jboss.tools.jst.jsp/plugin.xml 2009-12-18 23:04:41 UTC (rev 19481) @@ -109,7 +109,10 @@ target="org.jboss.tools.jst.jsp.jspeditor.HTMLTextEditor" type="structuredtextfoldingprovider"> </provisionalConfiguration> - + + + <documentationTextHover class="org.jboss.tools.jst.jsp.jspeditor.info.FaceletTagInfoHoverProcessor" target="org.eclipse.wst.html.HTML_DEFAULT" /> + </extension> <extension point="org.eclipse.ui.preferencePages"> Modified: trunk/jst/plugins/org.jboss.tools.jst.jsp/src/org/jboss/tools/jst/jsp/HTMLTextViewerConfiguration.java =================================================================== --- trunk/jst/plugins/org.jboss.tools.jst.jsp/src/org/jboss/tools/jst/jsp/HTMLTextViewerConfiguration.java 2009-12-18 22:32:28 UTC (rev 19480) +++ trunk/jst/plugins/org.jboss.tools.jst.jsp/src/org/jboss/tools/jst/jsp/HTMLTextViewerConfiguration.java 2009-12-18 23:04:41 UTC (rev 19481) @@ -10,27 +10,28 @@ ******************************************************************************/ package org.jboss.tools.jst.jsp; -import java.util.ArrayList; -import java.util.Dictionary; import java.util.List; -import org.eclipse.core.runtime.IAdaptable; -import org.eclipse.core.runtime.Platform; -import org.eclipse.core.runtime.Plugin; +import org.eclipse.jface.text.ITextHover; import org.eclipse.jface.text.contentassist.IContentAssistProcessor; import org.eclipse.jface.text.formatter.IContentFormatter; import org.eclipse.jface.text.formatter.MultiPassContentFormatter; import org.eclipse.jface.text.hyperlink.IHyperlinkDetector; +import org.eclipse.jface.text.information.IInformationProvider; import org.eclipse.jface.text.source.ISourceViewer; -import org.eclipse.swt.custom.BusyIndicator; import org.eclipse.ui.texteditor.AbstractDecoratedTextEditorPreferenceConstants; import org.eclipse.wst.html.core.text.IHTMLPartitions; import org.eclipse.wst.html.ui.StructuredTextViewerConfigurationHTML; +import org.eclipse.wst.sse.ui.internal.ExtendedConfigurationBuilder; +import org.eclipse.wst.sse.ui.internal.SSEUIPlugin; import org.eclipse.wst.sse.ui.internal.format.StructuredFormattingStrategy; -import org.jboss.tools.common.text.xml.contentassist.SortingCompoundContentAssistProcessor; +import org.eclipse.wst.sse.ui.internal.taginfo.AnnotationHoverProcessor; +import org.eclipse.wst.sse.ui.internal.taginfo.ProblemAnnotationHoverProcessor; +import org.eclipse.wst.sse.ui.internal.taginfo.TextHoverManager; import org.jboss.tools.jst.jsp.format.HTMLFormatProcessor; -import org.osgi.framework.Bundle; +import org.jboss.tools.jst.jsp.jspeditor.info.ChainTextHover; +@SuppressWarnings("restriction") public class HTMLTextViewerConfiguration extends StructuredTextViewerConfigurationHTML implements ITextViewerConfiguration{ TextViewerConfigurationDelegate configurationDelegate; @@ -39,7 +40,6 @@ configurationDelegate = new TextViewerConfigurationDelegate(this); } - @SuppressWarnings("restriction") protected IContentAssistProcessor[] getContentAssistProcessors(ISourceViewer sourceViewer, String partitionType) { return configurationDelegate.getContentAssistProcessors(sourceViewer, partitionType); } @@ -68,4 +68,63 @@ ISourceViewer sourceViewer, String partitionType) { return super.getContentAssistProcessors(sourceViewer, partitionType); } + + /** + * Create documentation hovers based on hovers contributed via + * <code>org.eclipse.wst.sse.ui.editorConfiguration</code> extension + * point + * + * Copied from {@link org.eclipse.wst.sse.ui.StructuredTextViewerConfiguration} because of private modifier + * + * @param partitionType + * @return + */ + @SuppressWarnings("unchecked") + private ITextHover[] createDocumentationHovers(String partitionType) { + List extendedTextHover = ExtendedConfigurationBuilder.getInstance().getConfigurations(ExtendedConfigurationBuilder.DOCUMENTATIONTEXTHOVER, partitionType); + ITextHover[] hovers = (ITextHover[]) extendedTextHover.toArray(new ITextHover[extendedTextHover.size()]); + return hovers; + } + + @Override + protected IInformationProvider getInformationProvider( + ISourceViewer sourceViewer, String partitionType) { + + ITextHover chainTextHover = new ChainTextHover(createDocumentationHovers(partitionType)); + return new TextHoverInformationProvider(chainTextHover); + } + + @Override + public ITextHover getTextHover(ISourceViewer sourceViewer, + String contentType, int stateMask) { + ITextHover textHover = null; + + /* + * Returns a default problem, annotation, and best match hover + * depending on stateMask + */ + TextHoverManager.TextHoverDescriptor[] hoverDescs = SSEUIPlugin.getDefault().getTextHoverManager().getTextHovers(); + int i = 0; + while (i < hoverDescs.length && textHover == null) { + if (hoverDescs[i].isEnabled() && computeStateMask(hoverDescs[i].getModifierString()) == stateMask) { + String hoverType = hoverDescs[i].getId(); + if (TextHoverManager.PROBLEM_HOVER.equalsIgnoreCase(hoverType)) + textHover = new ProblemAnnotationHoverProcessor(); + else if (TextHoverManager.ANNOTATION_HOVER.equalsIgnoreCase(hoverType)) + textHover = new AnnotationHoverProcessor(); + else if (TextHoverManager.COMBINATION_HOVER.equalsIgnoreCase(hoverType)) + textHover = new ChainTextHover(createDocumentationHovers(contentType)); + else if (TextHoverManager.DOCUMENTATION_HOVER.equalsIgnoreCase(hoverType)) { + ITextHover[] hovers = createDocumentationHovers(contentType); + if (hovers.length > 0) { + textHover = hovers[0]; + } + } + } + i++; + } + return textHover; + } + + } \ No newline at end of file Added: trunk/jst/plugins/org.jboss.tools.jst.jsp/src/org/jboss/tools/jst/jsp/TextHoverInformationProvider.java =================================================================== --- trunk/jst/plugins/org.jboss.tools.jst.jsp/src/org/jboss/tools/jst/jsp/TextHoverInformationProvider.java (rev 0) +++ trunk/jst/plugins/org.jboss.tools.jst.jsp/src/org/jboss/tools/jst/jsp/TextHoverInformationProvider.java 2009-12-18 23:04:41 UTC (rev 19481) @@ -0,0 +1,67 @@ +/******************************************************************************* + * Copyright (c) 2009 Red Hat, Inc. + * Distributed under license by Red Hat, Inc. All rights reserved. + * This program is 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: + * Red Hat, Inc. - initial API and implementation + ******************************************************************************/ +package org.jboss.tools.jst.jsp; + +import org.eclipse.jface.text.IInformationControlCreator; +import org.eclipse.jface.text.IRegion; +import org.eclipse.jface.text.ITextHover; +import org.eclipse.jface.text.ITextHoverExtension2; +import org.eclipse.jface.text.ITextViewer; +import org.eclipse.jface.text.information.IInformationProvider; +import org.eclipse.jface.text.information.IInformationProviderExtension; +import org.eclipse.jface.text.information.IInformationProviderExtension2; + +/** + * + * @author Victor Rubezhny + * + */ +class TextHoverInformationProvider implements IInformationProvider, IInformationProviderExtension, IInformationProviderExtension2 { + private ITextHover fTextHover; + + public TextHoverInformationProvider(ITextHover hover) { + fTextHover = hover; + } + + /* + * (non-Javadoc) + * @see org.eclipse.jface.text.information.IInformationProvider#getInformation(org.eclipse.jface.text.ITextViewer, org.eclipse.jface.text.IRegion) + */ + public String getInformation(ITextViewer textViewer, IRegion subject) { + return (String) getInformation2(textViewer, subject); + } + + /* + * (non-Javadoc) + * @see org.eclipse.jface.text.information.IInformationProviderExtension#getInformation2(org.eclipse.jface.text.ITextViewer, org.eclipse.jface.text.IRegion) + */ + public Object getInformation2(ITextViewer textViewer, IRegion subject) { + return (fTextHover instanceof ITextHoverExtension2 ? + ((ITextHoverExtension2)fTextHover).getHoverInfo2(textViewer, subject) : + fTextHover.getHoverInfo(textViewer, subject)); + } + + /* + * (non-Javadoc) + * @see org.eclipse.jface.text.information.IInformationProviderExtension2#getInformationPresenterControlCreator() + */ + public IInformationControlCreator getInformationPresenterControlCreator() { + return null; + } + + /* + * (non-Javadoc) + * @see org.eclipse.jface.text.information.IInformationProvider#getSubject(org.eclipse.jface.text.ITextViewer, int) + */ + public IRegion getSubject(ITextViewer textViewer, int offset) { + return fTextHover.getHoverRegion(textViewer, offset); + } +} Property changes on: trunk/jst/plugins/org.jboss.tools.jst.jsp/src/org/jboss/tools/jst/jsp/TextHoverInformationProvider.java ___________________________________________________________________ Name: svn:mime-type + text/plain Added: trunk/jst/plugins/org.jboss.tools.jst.jsp/src/org/jboss/tools/jst/jsp/contentassist/Utils.java =================================================================== --- trunk/jst/plugins/org.jboss.tools.jst.jsp/src/org/jboss/tools/jst/jsp/contentassist/Utils.java (rev 0) +++ trunk/jst/plugins/org.jboss.tools.jst.jsp/src/org/jboss/tools/jst/jsp/contentassist/Utils.java 2009-12-18 23:04:41 UTC (rev 19481) @@ -0,0 +1,173 @@ +/******************************************************************************* + * Copyright (c) 2009 Red Hat, Inc. + * Distributed under license by Red Hat, Inc. All rights reserved. + * This program is 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: + * Red Hat, Inc. - initial API and implementation + ******************************************************************************/ +package org.jboss.tools.jst.jsp.contentassist; + +import java.util.ArrayList; +import java.util.List; + +import org.eclipse.wst.xml.core.internal.provisional.document.IDOMAttr; +import org.eclipse.wst.xml.core.internal.provisional.document.IDOMElement; +import org.eclipse.wst.xml.core.internal.provisional.document.IDOMNode; +import org.jboss.tools.jst.web.kb.KbQuery; +import org.jboss.tools.jst.web.kb.KbQuery.Type; +import org.w3c.dom.Attr; +import org.w3c.dom.Element; +import org.w3c.dom.NamedNodeMap; +import org.w3c.dom.Node; + +/** + * + * @author Victor Rubezhny + * + */ +@SuppressWarnings("restriction") +public class Utils { + private static final String JSFC_ATTRIBUTE_NAME = "jsfc"; //$NON-NLS-1$ + + /** + * Creates and fills the KbQuery object + * + * @param type + * @param offset + * @param query + * @param stringQuery + * @param prefix + * @param uri + * @param parentTags + * @param parent + * @param mask + * @return + */ + public static KbQuery createKbQuery(Type type, int offset, String query, + String stringQuery, String prefix, String uri, String[] parentTags, String parent, boolean mask) { + KbQuery kbQuery = new KbQuery(); + + kbQuery.setPrefix(prefix); + kbQuery.setUri(uri); + kbQuery.setParentTags(parentTags); + kbQuery.setParent(parent); + kbQuery.setMask(mask); + kbQuery.setType(type); + kbQuery.setOffset(offset); + kbQuery.setValue(query); + kbQuery.setStringQuery(stringQuery); + + return kbQuery; + } + + /** + * Returns the name for the tag + * + * @param tag + * @param useJsfcTags + * @return + */ + public static String getTagName(Node tag, boolean useJsfcTags) { + String tagName = tag.getNodeName(); + if(useJsfcTags) { + // Only HTML tags + if(tagName.indexOf(':')>0) { + return tagName; + } + if (!(tag instanceof Element)) + return tagName; + + Element element = (Element)tag; + + NamedNodeMap attributes = element.getAttributes(); + Node jsfC = attributes.getNamedItem(JSFC_ATTRIBUTE_NAME); + if(jsfC==null || (!(jsfC instanceof Attr))) { + return tagName; + } + Attr jsfCAttribute = (Attr)jsfC; + String jsfTagName = jsfCAttribute.getValue(); + if(jsfTagName==null || jsfTagName.indexOf(':')<1) { + return tagName; + } + tagName = jsfTagName; + } + return tagName; + } + + /** + * Returns name of the parent attribute/tag name + * + * @return + */ + public static String getParent(IDOMNode xmlnode, boolean returnAttributeName, boolean returnThisElement, + boolean useJsfcAttribute) { + + Node node = xmlnode; + while ((node != null) && (node.getNodeType() == Node.TEXT_NODE) && (node.getParentNode() != null)) { + node = node.getParentNode(); + } + + if (!returnAttributeName && (node instanceof IDOMAttr)) { + node = ((IDOMAttr)node).getOwnerElement(); + } + + if (node == null) + return null; + + // Find the first parent tag + if (!(node instanceof IDOMElement)) { + if (node instanceof IDOMAttr) { + if (returnAttributeName) { + String parentAttrName = node.getNodeName(); + return parentAttrName; + } + node = ((IDOMAttr) node).getOwnerElement(); + } else { + node = node.getParentNode(); + } + } else { + if (!returnThisElement) + node = node.getParentNode(); + } + if (node == null) + return null; + + return getTagName(node, useJsfcAttribute); + } + + private static final String[] EMPTY_TAGS = new String[0]; + /** + * Returns array of the parent tags + * + * @return + */ + public static String[] getParentTags(IDOMNode xmlnode, boolean includeThisTag, boolean useJsfcAttribute) { + List<String> parentTags = new ArrayList<String>(); + + // Find the first parent tag + Node node = xmlnode; + while ((node != null) && (node.getNodeType() != Node.ELEMENT_NODE) && (node.getParentNode() != null)) { + node = node.getNodeType() == Node.ATTRIBUTE_NODE ? ((Attr)node).getOwnerElement() : node.getParentNode(); + } + + if (!includeThisTag) { + node = node.getParentNode(); + } + + if (node == null) + return EMPTY_TAGS; + + // Store all the parents + while (node != null && node.getNodeType() == Node.ELEMENT_NODE) { + String tagName = getTagName(node, useJsfcAttribute); + parentTags.add(0, tagName); + node = node.getParentNode(); + } + + return (String[])parentTags.toArray(new String[parentTags.size()]); + } + +} Property changes on: trunk/jst/plugins/org.jboss.tools.jst.jsp/src/org/jboss/tools/jst/jsp/contentassist/Utils.java ___________________________________________________________________ Name: svn:mime-type + text/plain Added: trunk/jst/plugins/org.jboss.tools.jst.jsp/src/org/jboss/tools/jst/jsp/jspeditor/info/ChainTextHover.java =================================================================== --- trunk/jst/plugins/org.jboss.tools.jst.jsp/src/org/jboss/tools/jst/jsp/jspeditor/info/ChainTextHover.java (rev 0) +++ trunk/jst/plugins/org.jboss.tools.jst.jsp/src/org/jboss/tools/jst/jsp/jspeditor/info/ChainTextHover.java 2009-12-18 23:04:41 UTC (rev 19481) @@ -0,0 +1,152 @@ +/******************************************************************************* + * Copyright (c) 2009 Red Hat, Inc. + * Distributed under license by Red Hat, Inc. All rights reserved. + * This program is 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: + * Red Hat, Inc. - initial API and implementation + ******************************************************************************/ +package org.jboss.tools.jst.jsp.jspeditor.info; + +import java.util.ArrayList; +import java.util.Iterator; +import java.util.List; + +import org.eclipse.jface.text.IInformationControlCreator; +import org.eclipse.jface.text.IRegion; +import org.eclipse.jface.text.ITextHover; +import org.eclipse.jface.text.ITextHoverExtension; +import org.eclipse.jface.text.ITextViewer; +import org.eclipse.wst.sse.ui.internal.Logger; +import org.eclipse.wst.sse.ui.internal.taginfo.AnnotationHoverProcessor; +import org.eclipse.wst.sse.ui.internal.taginfo.DebugInfoHoverProcessor; +import org.eclipse.wst.sse.ui.internal.taginfo.ProblemAnnotationHoverProcessor; + + +/** + * Provides the best hover help documentation (by using other hover help + * processors) Priority of hover help processors is: ProblemHoverProcessor, + * FaceletTagInfoProcessor, TagInfoProcessor, AnnotationHoverProcessor + * + * The processors are acquired in order of their priorities. If a hover doesn'n returns an information + * (i.e. returns null as a display string) the next processor will be acquired. + * + * @author Victor Rubezhny + * + */ +@SuppressWarnings("restriction") +public class ChainTextHover implements ITextHover, ITextHoverExtension { + private ITextHover fBestMatchHover; // current best match text hover + private ITextHover[] fTagInfoHovers; // documentation/information hover + private List<ITextHover> fTextHovers; // list of text hovers to consider in best + // match + + public ChainTextHover(ITextHover infoTagHover) { + this(new ITextHover[]{infoTagHover}); + } + + public ChainTextHover(ITextHover[] infoTagHovers) { + fTagInfoHovers = infoTagHovers; + } + + /** + * Create a list of text hovers applicable to this best match hover + * processor + * + * @return List of ITextHover - in abstract class this is empty list + */ + private List<ITextHover> createTextHoversList() { + List<ITextHover> hoverList = new ArrayList<ITextHover>(); + // if currently debugging, then add the debug hover to the list of + // best match + if (Logger.isTracing(DebugInfoHoverProcessor.TRACEFILTER)) { + hoverList.add(new DebugInfoHoverProcessor()); + } + + hoverList.add(new ProblemAnnotationHoverProcessor()); + + if (fTagInfoHovers != null) { + for (int i = 0; i < fTagInfoHovers.length; i++) { + if (fTagInfoHovers[i] instanceof FaceletTagInfoHoverProcessor) { + hoverList.add(fTagInfoHovers[i]); + } + } + for (int i = 0; i < fTagInfoHovers.length; i++) { + if (!(fTagInfoHovers[i] instanceof FaceletTagInfoHoverProcessor)) { + hoverList.add(fTagInfoHovers[i]); + } + } + } + hoverList.add(new AnnotationHoverProcessor()); + return hoverList; + } + + public IInformationControlCreator getHoverControlCreator() { + IInformationControlCreator creator = null; + + if (fBestMatchHover instanceof ITextHoverExtension) { + creator = ((ITextHoverExtension) fBestMatchHover).getHoverControlCreator(); + } + return creator; + } + + /* + * (non-Javadoc) + * + * @see org.eclipse.jface.text.ITextHover#getHoverInfo(org.eclipse.jface.text.ITextViewer, + * org.eclipse.jface.text.IRegion) + */ + public String getHoverInfo(ITextViewer viewer, IRegion hoverRegion) { + String displayInfo = null; + + // already have a best match hover picked out from getHoverRegion call + if (fBestMatchHover != null) { + displayInfo = fBestMatchHover.getHoverInfo(viewer, hoverRegion); + } + // either had no best match hover or best match hover returned null + if (displayInfo == null) { + // go through list of text hovers and return first display string + Iterator<ITextHover> i = getTextHovers().iterator(); + while ((i.hasNext()) && (displayInfo == null)) { + ITextHover hover = (ITextHover) i.next(); + displayInfo = hover.getHoverInfo(viewer, hoverRegion); + } + } + return displayInfo; + } + + /* + * (non-Javadoc) + * + * @see org.eclipse.jface.text.ITextHover#getHoverRegion(org.eclipse.jface.text.ITextViewer, + * int) + */ + public IRegion getHoverRegion(ITextViewer viewer, int offset) { + IRegion hoverRegion = null; + + // go through list of text hovers and return first hover region + ITextHover hover = null; + Iterator<ITextHover> i = getTextHovers().iterator(); + while ((i.hasNext()) && (hoverRegion == null)) { + hover = i.next(); + hoverRegion = hover.getHoverRegion(viewer, offset); + } + + // store the text hover processor that found region + if (hoverRegion != null) + fBestMatchHover = hover; + else + fBestMatchHover = null; + + return hoverRegion; + } + + private List<ITextHover> getTextHovers() { + if (fTextHovers == null) { + fTextHovers = createTextHoversList(); + } + return fTextHovers; + } +} Property changes on: trunk/jst/plugins/org.jboss.tools.jst.jsp/src/org/jboss/tools/jst/jsp/jspeditor/info/ChainTextHover.java ___________________________________________________________________ Name: svn:mime-type + text/plain Added: trunk/jst/plugins/org.jboss.tools.jst.jsp/src/org/jboss/tools/jst/jsp/jspeditor/info/FaceletTagInfoHoverProcessor.java =================================================================== --- trunk/jst/plugins/org.jboss.tools.jst.jsp/src/org/jboss/tools/jst/jsp/jspeditor/info/FaceletTagInfoHoverProcessor.java (rev 0) +++ trunk/jst/plugins/org.jboss.tools.jst.jsp/src/org/jboss/tools/jst/jsp/jspeditor/info/FaceletTagInfoHoverProcessor.java 2009-12-18 23:04:41 UTC (rev 19481) @@ -0,0 +1,193 @@ +/******************************************************************************* + * Copyright (c) 2009 Red Hat, Inc. + * Distributed under license by Red Hat, Inc. All rights reserved. + * This program is 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: + * Red Hat, Inc. - initial API and implementation + ******************************************************************************/ +package org.jboss.tools.jst.jsp.jspeditor.info; + +import java.util.List; +import java.util.Map; + +import org.eclipse.core.filebuffers.FileBuffers; +import org.eclipse.core.resources.IFile; +import org.eclipse.core.runtime.IPath; +import org.eclipse.core.runtime.Path; +import org.eclipse.jface.text.IDocument; +import org.eclipse.jface.text.ITextViewer; +import org.eclipse.wst.sse.core.StructuredModelManager; +import org.eclipse.wst.sse.core.internal.provisional.IStructuredModel; +import org.eclipse.wst.sse.core.internal.provisional.text.IStructuredDocumentRegion; +import org.eclipse.wst.sse.core.internal.provisional.text.ITextRegion; +import org.eclipse.wst.xml.core.internal.provisional.document.IDOMNode; +import org.eclipse.wst.xml.ui.internal.taginfo.XMLTagInfoHoverProcessor; +import org.jboss.tools.common.el.core.resolver.ELContext; +import org.jboss.tools.common.text.TextProposal; +import org.jboss.tools.jst.jsp.contentassist.Utils; +import org.jboss.tools.jst.web.kb.IPageContext; +import org.jboss.tools.jst.web.kb.KbQuery; +import org.jboss.tools.jst.web.kb.PageContextFactory; +import org.jboss.tools.jst.web.kb.PageProcessor; +import org.jboss.tools.jst.web.kb.KbQuery.Type; +import org.jboss.tools.jst.web.kb.taglib.INameSpace; + +/** + * + * @author Victor Rubezhny + * + */ +@SuppressWarnings("restriction") +public class FaceletTagInfoHoverProcessor extends XMLTagInfoHoverProcessor { + private ELContext fContext; + private int fDocumentPosition; + + public FaceletTagInfoHoverProcessor() { + super(); + } + + @Override + protected String computeHoverHelp(ITextViewer textViewer, + int documentPosition) { + this.fDocumentPosition = documentPosition; + this.fContext = null; + + IFile file = getResource(textViewer.getDocument()); + if (file == null) + return null; + + fContext = PageContextFactory.createPageContext(file); + if (fContext == null) + return null; + + return super.computeHoverHelp(textViewer, documentPosition); + } + + @Override + protected String computeTagAttNameHelp(IDOMNode xmlnode, + IDOMNode parentNode, IStructuredDocumentRegion flatNode, + ITextRegion region) { + if (fContext == null) + return null; + + String tagName = Utils.getTagName(xmlnode, true); + String query = flatNode.getText(region); + String prefix = getPrefix(tagName); + String uri = getUri(prefix); + String[] parentTags = Utils.getParentTags(xmlnode, true, true); + String parent = Utils.getParent(xmlnode, true, true, true); + + KbQuery kbQuery = Utils.createKbQuery(Type.ATTRIBUTE_NAME, fDocumentPosition, query, query, //$NON-NLS-1$ + prefix, uri, parentTags, parent, false); + + TextProposal[] proposals = PageProcessor.getInstance().getProposals(kbQuery, fContext); + if (proposals == null) + return null; + + for(TextProposal proposal : proposals) { + if (proposal != null && proposal.getContextInfo() != null && + proposal.getContextInfo().trim().length() > 0) { + return proposal.getContextInfo(); + } + } + + return null; + } + + @Override + protected String computeTagAttValueHelp(IDOMNode xmlnode, + IDOMNode parentNode, IStructuredDocumentRegion flatNode, + ITextRegion region) { + return null; + } + + @Override + protected String computeTagNameHelp(IDOMNode xmlnode, IDOMNode parentNode, + IStructuredDocumentRegion flatNode, ITextRegion region) { + if (fContext == null) + return null; + + String query = Utils.getTagName(xmlnode, true); + String prefix = getPrefix(query); + String uri = getUri(prefix); + String[] parentTags = Utils.getParentTags(xmlnode, false, true); + String parent = Utils.getParent(xmlnode, false, false, true); + + KbQuery kbQuery = Utils.createKbQuery(Type.TAG_NAME, fDocumentPosition, query, "<" + query, //$NON-NLS-1$ + prefix, uri, parentTags, parent, false); + + TextProposal[] proposals = PageProcessor.getInstance().getProposals(kbQuery, fContext); + if (proposals == null) + return null; + + for(TextProposal proposal : proposals) { + if (proposal != null && proposal.getContextInfo() != null && + proposal.getContextInfo().trim().length() > 0) { + return proposal.getContextInfo(); + } + } + + return null; + } + + /** + * Returns IFile resource of the document + * + * @return + */ + protected IFile getResource(IDocument document) { + IStructuredModel sModel = StructuredModelManager.getModelManager().getExistingModelForRead(document); + try { + if (sModel != null) { + String baseLocation = sModel.getBaseLocation(); + IPath location = new Path(baseLocation).makeAbsolute(); + return FileBuffers.getWorkspaceFileAtLocation(location); + } + } + finally { + if (sModel != null) { + sModel.releaseFromRead(); + } + } + return null; + } + + + private String getPrefix(String tagname) { + String prefix = null; + + int index = tagname == null ? -1 : tagname.indexOf(':'); + if (tagname != null && index != -1) { + prefix = tagname.substring(0, index); + } + + if (prefix != null) + return prefix; + + String uri = getUri(""); //$NON-NLS-1$ + return uri == null ? null : ""; //$NON-NLS-1$ + } + + private String getUri(String prefix) { + if (prefix == null || fContext == null) + return null; + if (!(fContext instanceof IPageContext)) + return null; + + Map<String, List<INameSpace>> nameSpaces = ((IPageContext)fContext).getNameSpaces(fDocumentPosition); + if (nameSpaces == null || nameSpaces.isEmpty()) + return null; + + for (List<INameSpace> nameSpace : nameSpaces.values()) { + for (INameSpace n : nameSpace) { + if (prefix.equals(n.getPrefix())) { + return n.getURI(); + } + } + } + return null; + } +} Property changes on: trunk/jst/plugins/org.jboss.tools.jst.jsp/src/org/jboss/tools/jst/jsp/jspeditor/info/FaceletTagInfoHoverProcessor.java ___________________________________________________________________ Name: svn:mime-type + text/plain