/*******************************************************************************
* Copyright (c) 2010 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.jst.jsp.ui.internal.contentassist;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.jface.text.contentassist.ICompletionProposal;
import org.eclipse.jst.jsp.core.internal.provisional.contenttype.ContentTypeIdForJSP;
import org.eclipse.jst.jsp.ui.internal.templates.TemplateContextTypeIdsJSP;
import org.eclipse.wst.sse.ui.contentassist.CompletionProposalInvocationContext;
import org.eclipse.wst.xml.core.internal.provisional.document.IDOMNode;
import org.eclipse.wst.xml.ui.internal.contentassist.ContentAssistRequest;
import org.eclipse.wst.xml.ui.internal.contentassist.DefaultXMLCompletionProposalComputer;
/**
* <p>Computes JSP template completion proposals</p>
*/
public class JSPTemplatesCompletionProposalComputer extends
DefaultXMLCompletionProposalComputer {
/** Template completion processor used to create template proposals */
private JSPTemplateCompletionProcessor fTemplateProcessor = null;
/**
* Create the computer
*/
public JSPTemplatesCompletionProposalComputer() {
this.fTemplateProcessor = new JSPTemplateCompletionProcessor();
}
/**
* @see org.eclipse.wst.xml.ui.internal.contentassist.AbstractXMLCompletionProposalComputer#computeCompletionProposals(org.eclipse.wst.sse.ui.contentassist.CompletionProposalInvocationContext, org.eclipse.core.runtime.IProgressMonitor)
*/
public List computeCompletionProposals(
CompletionProposalInvocationContext context,
IProgressMonitor monitor) {
//get the templates specific to the context
List proposals = new ArrayList(super.computeCompletionProposals(context, monitor));
//get templates not specific to the context
proposals.addAll(this.getTemplateProposals(TemplateContextTypeIdsJSP.ALL, context));
return proposals;
}
/**
* @see org.eclipse.wst.xml.ui.internal.contentassist.DefaultXMLCompletionProposalComputer#addAttributeNameProposals(org.eclipse.wst.xml.ui.internal.contentassist.ContentAssistRequest, org.eclipse.wst.sse.ui.contentassist.CompletionProposalInvocationContext)
*/
protected void addAttributeNameProposals(
ContentAssistRequest contentAssistRequest,
CompletionProposalInvocationContext context) {
addTemplates(contentAssistRequest, TemplateContextTypeIdsJSP.ATTRIBUTE, context);
}
/**
* @see org.eclipse.wst.xml.ui.internal.contentassist.DefaultXMLCompletionProposalComputer#addAttributeValueProposals(org.eclipse.wst.xml.ui.internal.contentassist.ContentAssistRequest, org.eclipse.wst.sse.ui.contentassist.CompletionProposalInvocationContext)
*/
protected void addAttributeValueProposals(
ContentAssistRequest contentAssistRequest,
CompletionProposalInvocationContext context) {
addTemplates(contentAssistRequest, TemplateContextTypeIdsJSP.ATTRIBUTE_VALUE, context);
}
/**
* @see org.eclipse.wst.xml.ui.internal.contentassist.DefaultXMLCompletionProposalComputer#addTagInsertionProposals(org.eclipse.wst.xml.ui.internal.contentassist.ContentAssistRequest, int, org.eclipse.wst.sse.ui.contentassist.CompletionProposalInvocationContext)
*/
protected void addTagInsertionProposals(
ContentAssistRequest contentAssistRequest, int childPosition,
CompletionProposalInvocationContext context) {
addTemplates(contentAssistRequest, TemplateContextTypeIdsJSP.TAG, context);
}
/**
* @see org.eclipse.wst.xml.ui.internal.contentassist.DefaultXMLCompletionProposalComputer#addEmptyDocumentProposals(org.eclipse.wst.xml.ui.internal.contentassist.ContentAssistRequest, org.eclipse.wst.sse.ui.contentassist.CompletionProposalInvocationContext)
*/
protected void addEmptyDocumentProposals(
ContentAssistRequest contentAssistRequest,
CompletionProposalInvocationContext context) {
if (ContentTypeIdForJSP.ContentTypeID_JSPTAG.equals(
((IDOMNode) contentAssistRequest.getNode()).getModel().getContentTypeIdentifier())) {
addTemplates(contentAssistRequest, TemplateContextTypeIdsJSP.NEW_TAG, context);
} else {
addTemplates(contentAssistRequest, TemplateContextTypeIdsJSP.NEW, context);
}
}
/**
* <p>Get the template proposals from the template processor</p>
*
* @param templateContext
* @param context
* @return
*/
private List getTemplateProposals(String templateContext,
CompletionProposalInvocationContext context) {
List templateProposals = new ArrayList();
if (fTemplateProcessor != null) {
fTemplateProcessor.setContextType(templateContext);
ICompletionProposal[] proposals =
fTemplateProcessor.computeCompletionProposals(context.getViewer(), context.getInvocationOffset());
templateProposals.addAll(Arrays.asList(proposals));
}
return templateProposals;
}
/**
* <p>Adds templates to the list of proposals</p>
*
* @param contentAssistRequest
* @param templateContext
* @param context
*/
private void addTemplates(ContentAssistRequest contentAssistRequest, String templateContext,
CompletionProposalInvocationContext context) {
if (contentAssistRequest != null) {
boolean useProposalList = !contentAssistRequest.shouldSeparate();
List proposals = this.getTemplateProposals(templateContext, context);
for (int i = 0; i < proposals.size(); ++i) {
if (useProposalList) {
contentAssistRequest.addProposal((ICompletionProposal)proposals.get(i));
}
else {
contentAssistRequest.addMacro((ICompletionProposal)proposals.get(i));
}
}
}
}
}