diff options
Diffstat (limited to 'bundles/org.eclipse.wst.xml.ui/src/org/eclipse/wst/xml/ui/internal/contentassist/NoRegionContentAssistProcessor.java')
| -rw-r--r-- | bundles/org.eclipse.wst.xml.ui/src/org/eclipse/wst/xml/ui/internal/contentassist/NoRegionContentAssistProcessor.java | 274 |
1 files changed, 0 insertions, 274 deletions
diff --git a/bundles/org.eclipse.wst.xml.ui/src/org/eclipse/wst/xml/ui/internal/contentassist/NoRegionContentAssistProcessor.java b/bundles/org.eclipse.wst.xml.ui/src/org/eclipse/wst/xml/ui/internal/contentassist/NoRegionContentAssistProcessor.java deleted file mode 100644 index 57744f39bd..0000000000 --- a/bundles/org.eclipse.wst.xml.ui/src/org/eclipse/wst/xml/ui/internal/contentassist/NoRegionContentAssistProcessor.java +++ /dev/null @@ -1,274 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2001, 2007 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 - * Jens Lukowski/Innoopract - initial renaming/restructuring - * - *******************************************************************************/ -package org.eclipse.wst.xml.ui.internal.contentassist; - - - -import java.util.HashMap; -import java.util.Iterator; - -import org.eclipse.jface.text.BadLocationException; -import org.eclipse.jface.text.IDocument; -import org.eclipse.jface.text.ITextViewer; -import org.eclipse.jface.text.ITypedRegion; -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.wst.sse.core.internal.provisional.text.IStructuredDocumentRegion; -import org.eclipse.wst.sse.ui.internal.IReleasable; -import org.eclipse.wst.sse.ui.internal.StructuredTextViewer; -import org.eclipse.wst.sse.ui.internal.contentassist.ContentAssistUtils; -import org.eclipse.wst.xml.core.internal.regions.DOMRegionContext; -import org.eclipse.wst.xml.core.text.IXMLPartitions; - - -/** - * ContentAssistProcessor to handle special cases in content assist where the - * partitioner cannot determine a partition type at the current cursor - * position (usually at EOF). - * - * @author pavery - */ -public class NoRegionContentAssistProcessor implements IContentAssistProcessor, IReleasable { - - private static final boolean DEBUG = false; - protected char completionProposalAutoActivationCharacters[] = null; - protected char contextInformationAutoActivationCharacters[] = null; - - private final ICompletionProposal[] EMPTY_PROPOSAL_SET = new ICompletionProposal[0]; - protected String fErrorMessage = null; - private HashMap fNameToProcessorMap = null; - private HashMap fPartitionToProcessorMap = null; - - public NoRegionContentAssistProcessor() { - super(); - } - - protected void addPartitionProcessor(String key, IContentAssistProcessor processor) { - addProcessor(getPartitionToProcessorMap(), key, processor); - } - - protected void addNameProcessor(String key, IContentAssistProcessor processor) { - addProcessor(getNameToProcessorMap(), key, processor); - } - - protected IContentAssistProcessor getPartitionProcessor(String key) { - return (IContentAssistProcessor) getPartitionToProcessorMap().get(key); - } - - /** - * Ensures release if it's a duplicate partition type. - * - * @param map - * @param key - * @param processor - */ - private void addProcessor(HashMap map, String key, IContentAssistProcessor processor) { - Object o = map.remove(key); - if (o != null) { - if (o instanceof IReleasable) { - ((IReleasable) o).release(); - } - } - map.put(key, processor); - } - - /** - * Figures out what the correct ICompletionProposalProcessor is and - * computesCompletionProposals on that. - * - * @see org.eclipse.jface.text.contentassist.IContentAssistProcessor#computeCompletionProposals(org.eclipse.jface.text.ITextViewer, - * int) - */ - public ICompletionProposal[] computeCompletionProposals(ITextViewer viewer, int documentOffset) { - IContentAssistProcessor p = null; - ICompletionProposal[] results = EMPTY_PROPOSAL_SET; - - p = guessContentAssistProcessor(viewer, documentOffset); - if (p != null) { - results = p.computeCompletionProposals(viewer, documentOffset); - } - - return (results != null) ? results : EMPTY_PROPOSAL_SET; - } - - /* - * (non-Javadoc) - * - * @see org.eclipse.jface.text.contentassist.IContentAssistProcessor#computeContextInformation(org.eclipse.jface.text.ITextViewer, - * int) - */ - public IContextInformation[] computeContextInformation(ITextViewer viewer, int documentOffset) { - // get context info from processor that we end up using... - return null; - } - - /* - * (non-Javadoc) - * - * @see org.eclipse.jface.text.contentassist.IContentAssistProcessor#getCompletionProposalAutoActivationCharacters() - */ - public char[] getCompletionProposalAutoActivationCharacters() { - return completionProposalAutoActivationCharacters; - } - - /* - * (non-Javadoc) - * - * @see org.eclipse.jface.text.contentassist.IContentAssistProcessor#getContextInformationAutoActivationCharacters() - */ - public char[] getContextInformationAutoActivationCharacters() { - return contextInformationAutoActivationCharacters; - } - - /* - * (non-Javadoc) - * - * @see org.eclipse.jface.text.contentassist.IContentAssistProcessor#getContextInformationValidator() - */ - public IContextInformationValidator getContextInformationValidator() { - // return the validator for the content assist processor that we - // used... - return null; - } - - /* - * (non-Javadoc) - * - * @see org.eclipse.jface.text.contentassist.IContentAssistProcessor#getErrorMessage() - */ - public String getErrorMessage() { - return fErrorMessage; - } - - private HashMap getNameToProcessorMap() { - if (fNameToProcessorMap == null) { - fNameToProcessorMap = new HashMap(); - initNameToProcessorMap(); - } - return fNameToProcessorMap; - } - - private HashMap getPartitionToProcessorMap() { - if (fPartitionToProcessorMap == null) { - fPartitionToProcessorMap = new HashMap(); - initPartitionToProcessorMap(); - } - return fPartitionToProcessorMap; - } - - /** - * Gives you the document partition type (String) for the given - * StructuredTextViewer and documentPosition. - * - * @param viewer - * @param documentPosition - * @return String - */ - protected String getPartitionType(StructuredTextViewer viewer, int documentPosition) { - IDocument document = viewer.getDocument(); - String partitionType = null; - ITypedRegion partition = null; - try { - partition = document.getPartition(documentPosition); - partitionType = partition.getType(); - } - catch (BadLocationException e) { - partitionType = null; - } - return partitionType; - } - - /** - * Guesses a ContentAssistProcessor based on the TextViewer and - * documentOffset. - * - * @param viewer - * @param documentOffset - */ - protected IContentAssistProcessor guessContentAssistProcessor(ITextViewer viewer, int documentOffset) { - // mapping logic here... - // look @ previous region - // look @ previous doc partition type - // look @ page language - IContentAssistProcessor p = null; - IStructuredDocumentRegion sdRegion = ContentAssistUtils.getStructuredDocumentRegion(viewer, documentOffset); - if (sdRegion != null) { - String currentRegionType = sdRegion.getType(); - // System.out.println("current region type is >> " + - // currentRegionType); - if (currentRegionType == DOMRegionContext.UNDEFINED) { - IStructuredDocumentRegion sdPrev = sdRegion.getPrevious(); - if (sdPrev != null) { - if (DEBUG) { - String prevRegionType = sdPrev.getType(); - System.out.println("previous region type is >> " + prevRegionType); //$NON-NLS-1$ - } - } - } - } - // working w/ viewer & document partition - if ((p == null) && (viewer.getDocument().getLength() > 0)) { - String prevPartitionType = getPartitionType((StructuredTextViewer) viewer, documentOffset - 1); - // System.out.println("previous partition type is > " + - // prevPartitionType); - p = (IContentAssistProcessor) getPartitionToProcessorMap().get(prevPartitionType); - } - return p; - } - - /** - * Inits map for extra ContentAssistProcessors (useBean, get/setProperty) - */ - protected void initNameToProcessorMap() { - // nothing to do in this case - } - - /** - * Adds all relevent ContentAssistProcessors to the partition to processor - * map (just XML here) - */ - protected void initPartitionToProcessorMap() { - XMLContentAssistProcessor xmlProcessor = new XMLContentAssistProcessor(); - addProcessor(getPartitionToProcessorMap(), IXMLPartitions.XML_DEFAULT, xmlProcessor); - } - - public void release() { - releasePartitionToProcessorMap(); - releaseNameToProcessorMap(); - } - - protected void releaseMap(HashMap map) { - if ((map != null) && !map.isEmpty()) { - Iterator it = map.keySet().iterator(); - Object key = null; - while (it.hasNext()) { - key = it.next(); - if (map.get(key) instanceof IReleasable) { - ((IReleasable) map.get(key)).release(); - } - } - map.clear(); - map = null; - } - } - - protected void releaseNameToProcessorMap() { - releaseMap(fNameToProcessorMap); - } - - protected void releasePartitionToProcessorMap() { - releaseMap(fPartitionToProcessorMap); - } -} |