diff options
Diffstat (limited to 'jsf/plugins/org.eclipse.jst.jsf.ui/src/org/eclipse/jst/jsf/ui/internal/contentassist/JSFContentAssistProcessor.java')
| -rw-r--r-- | jsf/plugins/org.eclipse.jst.jsf.ui/src/org/eclipse/jst/jsf/ui/internal/contentassist/JSFContentAssistProcessor.java | 296 |
1 files changed, 0 insertions, 296 deletions
diff --git a/jsf/plugins/org.eclipse.jst.jsf.ui/src/org/eclipse/jst/jsf/ui/internal/contentassist/JSFContentAssistProcessor.java b/jsf/plugins/org.eclipse.jst.jsf.ui/src/org/eclipse/jst/jsf/ui/internal/contentassist/JSFContentAssistProcessor.java deleted file mode 100644 index a786371a1..000000000 --- a/jsf/plugins/org.eclipse.jst.jsf.ui/src/org/eclipse/jst/jsf/ui/internal/contentassist/JSFContentAssistProcessor.java +++ /dev/null @@ -1,296 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2006 Oracle Corporation. - * 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: - * Gerry Kessler/Oracle - initial API and implementation - * - ********************************************************************************/ - -package org.eclipse.jst.jsf.ui.internal.contentassist; - -import java.net.URL; -import java.util.ArrayList; -import java.util.Iterator; -import java.util.List; - -import org.eclipse.core.runtime.FileLocator; -import org.eclipse.core.runtime.Path; -import org.eclipse.core.runtime.Platform; -import org.eclipse.jface.resource.ImageDescriptor; -import org.eclipse.jface.text.ITextViewer; -import org.eclipse.jface.text.contentassist.ICompletionProposal; -import org.eclipse.jface.text.contentassist.IContentAssistProcessor; -import org.eclipse.jface.text.contentassist.IContextInformation; -import org.eclipse.jface.text.contentassist.IContextInformationValidator; -import org.eclipse.jst.jsf.context.resolver.structureddocument.IDOMContextResolver; -import org.eclipse.jst.jsf.context.resolver.structureddocument.IStructuredDocumentContextResolverFactory; -import org.eclipse.jst.jsf.context.resolver.structureddocument.ITaglibContextResolver; -import org.eclipse.jst.jsf.context.resolver.structureddocument.internal.IStructuredDocumentContextResolverFactory2; -import org.eclipse.jst.jsf.context.resolver.structureddocument.internal.ITextRegionContextResolver; -import org.eclipse.jst.jsf.context.structureddocument.IStructuredDocumentContext; -import org.eclipse.jst.jsf.context.structureddocument.IStructuredDocumentContextFactory; -import org.eclipse.jst.jsf.metadataprocessors.MetaDataEnabledProcessingFactory; -import org.eclipse.jst.jsf.metadataprocessors.features.IPossibleValue; -import org.eclipse.jst.jsf.metadataprocessors.features.IPossibleValues; -import org.eclipse.jst.jsf.ui.internal.JSFUiPlugin; -import org.eclipse.swt.graphics.Image; -import org.eclipse.wst.sse.ui.internal.contentassist.CustomCompletionProposal; -import org.eclipse.wst.xml.core.internal.contentmodel.CMAttributeDeclaration; -import org.eclipse.wst.xml.core.internal.contentmodel.CMElementDeclaration; -import org.eclipse.wst.xml.core.internal.contentmodel.CMNamedNodeMap; -import org.eclipse.wst.xml.core.internal.contentmodel.modelquery.ModelQuery; -import org.eclipse.wst.xml.core.internal.modelquery.ModelQueryUtil; -import org.eclipse.wst.xml.core.internal.regions.DOMRegionContext; -import org.eclipse.wst.xml.ui.internal.contentassist.XMLRelevanceConstants; -import org.eclipse.wst.xml.ui.internal.taginfo.MarkupTagInfoProvider; -import org.osgi.framework.Bundle; -import org.w3c.dom.Attr; -import org.w3c.dom.Element; -import org.w3c.dom.Node; - -/** - * The content assist processor for non-EL attribute values. - * - * @author Gerry Kessler - Oracle - * - */ -public class JSFContentAssistProcessor implements IContentAssistProcessor { - private ITextRegionContextResolver resolver; - private ITaglibContextResolver tlResolver; - private String defaultAdditionalInfo; - - private String defaultIconPath = "/icons/attr_val.gif"; //$NON-NLS-1$ - - private ImageDescriptor defaultAttrValImgDesc; - - private MarkupTagInfoProvider fInfoProvider; - - /** - * @see org.eclipse.jface.text.contentassist.IContentAssistProcessor#computeCompletionProposals(org.eclipse.jface.text.ITextViewer, - * int) - */ - public ICompletionProposal[] computeCompletionProposals(ITextViewer viewer, - int documentPosition) { - List proposals = new ArrayList(); - IStructuredDocumentContext context = IStructuredDocumentContextFactory.INSTANCE - .getContext(viewer, documentPosition); - - if (context != null) { - resolver = IStructuredDocumentContextResolverFactory.INSTANCE - .getTextRegionResolver(context); - - if (resolver != null) { - final String regionType = resolver.getRegionType(); - - if (regionType != null - && regionType.equals(DOMRegionContext.XML_TAG_ATTRIBUTE_VALUE)) { - - tlResolver = IStructuredDocumentContextResolverFactory2.INSTANCE - .getTaglibContextResolverFromDelegates(context); - - if (tlResolver != null) { - - Attr attr = getAttribute(context); - if (attr != null) { - Node tagElement = attr.getOwnerElement(); - if (tagElement != null) { - String uri = tlResolver.getTagURIForNodeName(tagElement); - if (uri != null) { - proposals = createProposals(context, uri, tagElement, attr); - } - } - } - } - } - } - } - - return (ICompletionProposal[]) proposals - .toArray(new ICompletionProposal[0]); - } - - private String getDefaultAdditionalInfo(Node tagElement, Attr attr) { - if (defaultAdditionalInfo == null){ - CMElementDeclaration elementNode = getCMElementDeclaration(tagElement); - if (elementNode != null){ - CMAttributeDeclaration attrNode = getCMAttributeDeclaration(elementNode, attr); - if (attrNode != null) - defaultAdditionalInfo = getInfoProvider().getInfo(attrNode); - } - } - return defaultAdditionalInfo; - } - - private CMElementDeclaration getCMElementDeclaration(Node node) { - CMElementDeclaration result = null; - if (node.getNodeType() == Node.ELEMENT_NODE) { - ModelQuery modelQuery = ModelQueryUtil.getModelQuery(node.getOwnerDocument()); - if (modelQuery != null) - result = modelQuery.getCMElementDeclaration((Element) node); - } - return result; - } - - private CMAttributeDeclaration getCMAttributeDeclaration(CMElementDeclaration tagElement, Attr attr) { - CMNamedNodeMap attrs = tagElement.getAttributes(); - for (Iterator it = attrs.iterator();it.hasNext();){ - CMAttributeDeclaration CMAttr = (CMAttributeDeclaration)it.next(); - if (CMAttr.getAttrName().equals(attr.getName())) - return CMAttr; - } - return null; - } - - private MarkupTagInfoProvider getInfoProvider() { - if (fInfoProvider == null) { - fInfoProvider = new MarkupTagInfoProvider(); - } - return fInfoProvider; - } - - private List createProposals(IStructuredDocumentContext context, String uri, Node tagElement, Attr attr) { - List ret = new ArrayList(); - List processors = MetaDataEnabledProcessingFactory.getInstance() - .getAttributeValueRuntimeTypeFeatureProcessors( - IPossibleValues.class, context, uri, - tagElement.getLocalName(), attr.getLocalName()); - - if (processors != null) { - for (int i = 0; i < processors.size(); i++) { - IPossibleValues p = (IPossibleValues) processors.get(i); - ret.addAll(createProposals(p, tagElement, attr)); - } - } - return ret; - } - - private List createProposals(IPossibleValues p, Node tagElement, Attr attr) { - List ret = new ArrayList(); - defaultAdditionalInfo = null; - Iterator it = p.getPossibleValues().iterator(); - while (it.hasNext()) { - IPossibleValue val = (IPossibleValue) it.next(); - if (val != null){ //just in case... - ICompletionProposal proposal = new CustomCompletionProposal( - val.getValue(), //replacement text - getReplacementOffset(), //replacementOffset - getReplacementLength(), //replacementLength - getCursorPosition(val), //cursor pos - getImage(val), //image - val.getDisplayValue(), //display value - null, //IContextInformation - getAdditionalInfo(val,tagElement,attr), //addditional info - XMLRelevanceConstants.R_JSP_ATTRIBUTE_VALUE, //relevance - true); //updateReplace - - ret.add(proposal); - } - } - return ret; - } - - - private String getAdditionalInfo(IPossibleValue val, Node tagElement, Attr attr) { - if (val.getAdditionalInformation() != null) - return val.getAdditionalInformation(); - - return getDefaultAdditionalInfo(tagElement, attr); - } - - private int getReplacementLength() { - return resolver.getRegionText().length() - 2; - } - - private int getCursorPosition(IPossibleValue val) { - //Something changed in 1.5RC2 CustomCompletionProposal - //it appears that the cursor position is now relative to where it is currently - //rather than relative to document - - //return getReplacementOffset() + val.getValue().length(); - return val.getValue().length(); - } - - private int getReplacementOffset() { - return resolver.getStartOffset() + 1; - } - - private Image getImage(IPossibleValue val) { - ImageDescriptor icon = val.getIcon(); - if (icon == null || icon.equals("")){ //$NON-NLS-1$ - return getDefaultAttributeValueImage(); - } - - return getOrCreateImage(icon); - } - - private Image getOrCreateImage(ImageDescriptor icon) { - if (icon == null) - return null; - - Image img = JSFUiPlugin.getDefault().getImageRegistry().get(icon.toString()); - if (img == null){ - try { - img = icon.createImage(); - JSFUiPlugin.getDefault().getImageRegistry().put(icon.toString(), img); - } catch (RuntimeException e) { - // empty block; C.B: handle exception? - } - } - return img; - } - - private Image getDefaultAttributeValueImage() { - if (defaultAttrValImgDesc == null){ - Bundle bundle = Platform.getBundle(JSFUiPlugin.PLUGIN_ID); - URL url= FileLocator.find(bundle,new Path(defaultIconPath ), null); - defaultAttrValImgDesc = ImageDescriptor.createFromURL(url); - } - return getOrCreateImage(defaultAttrValImgDesc); - } - - private Attr getAttribute(IStructuredDocumentContext context) { - final IDOMContextResolver domResolver = IStructuredDocumentContextResolverFactory.INSTANCE - .getDOMContextResolver(context); - - if (domResolver != null) { - final Node curNode = domResolver.getNode(); - - if (curNode instanceof Attr) { - return (Attr) curNode; - } - } - return null; - - } - - public IContextInformation[] computeContextInformation(ITextViewer viewer, - int offset) { - // no context info - return null; - } - - public char[] getCompletionProposalAutoActivationCharacters() { - // auto activate when user hits a '.' - return new char[] { '.' }; - } - - public char[] getContextInformationAutoActivationCharacters() { - // no auto-activation for context info - return null; - } - - public String getErrorMessage() { - // don't flag errors - return null; - } - - public IContextInformationValidator getContextInformationValidator() { - // don't validate context information - return null; - } - -}
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