| /******************************************************************************* |
| * 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 |
| * Jens Lukowski/Innoopract - initial renaming/restructuring |
| * |
| *******************************************************************************/ |
| package org.eclipse.wst.xml.ui.internal.contentassist; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.eclipse.core.resources.IResource; |
| import org.eclipse.jface.preference.IPreferenceStore; |
| import org.eclipse.jface.text.ITextViewer; |
| import org.eclipse.jface.text.contentassist.ICompletionProposal; |
| import org.eclipse.jface.util.IPropertyChangeListener; |
| import org.eclipse.jface.util.PropertyChangeEvent; |
| 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.XMLUIPlugin; |
| import org.eclipse.wst.xml.ui.internal.preferences.XMLUIPreferenceNames; |
| import org.eclipse.wst.xml.ui.internal.templates.TemplateContextTypeIdsXML; |
| |
| public class XMLContentAssistProcessor extends AbstractContentAssistProcessor implements IPropertyChangeListener { |
| |
| protected IPreferenceStore fPreferenceStore = null; |
| protected IResource fResource = null; |
| private XMLTemplateCompletionProcessor fTemplateProcessor = null; |
| private List fTemplateContexts = new ArrayList(); |
| |
| public XMLContentAssistProcessor() { |
| super(); |
| } |
| |
| protected void addAttributeNameProposals(ContentAssistRequest contentAssistRequest) { |
| addTemplates(contentAssistRequest, TemplateContextTypeIdsXML.ATTRIBUTE); |
| super.addAttributeNameProposals(contentAssistRequest); |
| } |
| |
| protected void addAttributeValueProposals(ContentAssistRequest contentAssistRequest) { |
| addTemplates(contentAssistRequest, TemplateContextTypeIdsXML.ATTRIBUTE_VALUE); |
| super.addAttributeValueProposals(contentAssistRequest); |
| } |
| |
| protected void addEmptyDocumentProposals(ContentAssistRequest contentAssistRequest) { |
| addTemplates(contentAssistRequest, TemplateContextTypeIdsXML.NEW); |
| super.addEmptyDocumentProposals(contentAssistRequest); |
| } |
| |
| protected void addTagInsertionProposals(ContentAssistRequest contentAssistRequest, int childPosition) { |
| addTemplates(contentAssistRequest, TemplateContextTypeIdsXML.TAG); |
| super.addTagInsertionProposals(contentAssistRequest, childPosition); |
| } |
| |
| /** |
| * Adds templates to the list of proposals |
| * |
| * @param contentAssistRequest |
| * @param context |
| */ |
| private void addTemplates(ContentAssistRequest contentAssistRequest, String context) { |
| addTemplates(contentAssistRequest, context, contentAssistRequest.getReplacementBeginPosition()); |
| } |
| |
| /** |
| * Adds templates to the list of proposals |
| * |
| * @param contentAssistRequest |
| * @param context |
| * @param startOffset |
| */ |
| private void addTemplates(ContentAssistRequest contentAssistRequest, String context, int startOffset) { |
| if (contentAssistRequest == null) |
| return; |
| |
| // if already adding template proposals for a certain context type, do |
| // not add again |
| if (!fTemplateContexts.contains(context)) { |
| fTemplateContexts.add(context); |
| boolean useProposalList = !contentAssistRequest.shouldSeparate(); |
| |
| if (getTemplateCompletionProcessor() != null) { |
| getTemplateCompletionProcessor().setContextType(context); |
| ICompletionProposal[] proposals = getTemplateCompletionProcessor().computeCompletionProposals(fTextViewer, startOffset); |
| for (int i = 0; i < proposals.length; ++i) { |
| if (useProposalList) |
| contentAssistRequest.addProposal(proposals[i]); |
| else |
| contentAssistRequest.addMacro(proposals[i]); |
| } |
| } |
| } |
| } |
| |
| protected ContentAssistRequest computeCompletionProposals(int documentPosition, String matchString, ITextRegion completionRegion, IDOMNode treeNode, IDOMNode xmlnode) { |
| ContentAssistRequest request = super.computeCompletionProposals(documentPosition, matchString, completionRegion, treeNode, xmlnode); |
| // bug115927 use original document position for all/any region templates |
| addTemplates(request, TemplateContextTypeIdsXML.ALL, documentPosition); |
| return request; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.wst.xml.ui.contentassist.AbstractContentAssistProcessor#computeCompletionProposals(org.eclipse.jface.text.ITextViewer, int) |
| */ |
| public ICompletionProposal[] computeCompletionProposals(ITextViewer textViewer, int documentPosition) { |
| fTemplateContexts.clear(); |
| return super.computeCompletionProposals(textViewer, documentPosition); |
| } |
| |
| protected IPreferenceStore getPreferenceStore() { |
| if (fPreferenceStore == null) |
| fPreferenceStore = XMLUIPlugin.getDefault().getPreferenceStore(); |
| return fPreferenceStore; |
| } |
| |
| private XMLTemplateCompletionProcessor getTemplateCompletionProcessor() { |
| if (fTemplateProcessor == null) { |
| fTemplateProcessor = new XMLTemplateCompletionProcessor(); |
| } |
| return fTemplateProcessor; |
| } |
| |
| protected void init() { |
| getPreferenceStore().addPropertyChangeListener(this); |
| reinit(); |
| } |
| |
| public void propertyChange(PropertyChangeEvent event) { |
| String property = event.getProperty(); |
| |
| if (property.compareTo(XMLUIPreferenceNames.AUTO_PROPOSE) == 0 || property.compareTo(XMLUIPreferenceNames.AUTO_PROPOSE_CODE) == 0) { |
| reinit(); |
| } |
| } |
| |
| protected void reinit() { |
| String key = XMLUIPreferenceNames.AUTO_PROPOSE; |
| boolean doAuto = getPreferenceStore().getBoolean(key); |
| if (doAuto) { |
| key = XMLUIPreferenceNames.AUTO_PROPOSE_CODE; |
| completionProposalAutoActivationCharacters = getPreferenceStore().getString(key).toCharArray(); |
| } else { |
| completionProposalAutoActivationCharacters = null; |
| } |
| } |
| |
| public void release() { |
| super.release(); |
| getPreferenceStore().removePropertyChangeListener(this); |
| } |
| } |