/**
* Copyright (C) 2005 - 2011 Eric Van Dewoestine
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.eclim.plugin.wst.command.complete;
import java.util.ArrayList;
import java.util.List;
import org.eclim.annotation.Command;
import org.eclim.command.CommandLine;
import org.eclim.command.Options;
import org.eclim.plugin.core.command.AbstractCommand;
import org.eclim.plugin.core.command.complete.CodeCompleteResult;
import org.eclim.plugin.wst.util.JavaScriptUtils;
import org.eclipse.wst.jsdt.core.CompletionProposal;
import org.eclipse.wst.jsdt.core.IJavaScriptUnit;
import org.eclipse.wst.jsdt.core.Signature;
/**
* Command to handle javascript code completion requests.
*
* @author Eric Van Dewoestine
*/
@Command(
name = "javascript_complete",
options =
"REQUIRED p project ARG," +
"REQUIRED f file ARG," +
"REQUIRED o offset ARG," +
"REQUIRED e encoding ARG"
)
public class JavaScriptCodeCompleteCommand
extends AbstractCommand
{
/**
* {@inheritDoc}
*/
public Object execute(CommandLine commandLine)
throws Exception
{
String project = commandLine.getValue(Options.PROJECT_OPTION);
String file = commandLine.getValue(Options.FILE_OPTION);
int offset = getOffset(commandLine);
IJavaScriptUnit src = JavaScriptUtils.getJavaScriptUnit(project, file);
CompletionRequestor collector = new CompletionRequestor();
src.codeComplete(offset, collector);
return collector.getResults();
}
public static class CompletionRequestor
extends org.eclipse.wst.jsdt.core.CompletionRequestor
{
private ArrayList<CodeCompleteResult> results =
new ArrayList<CodeCompleteResult>();
/**
* {@inheritDoc}
* @see org.eclipse.wst.jsdt.core.CompletionRequestor#accept(CompletionProposal)
*/
@Override
public void accept(CompletionProposal proposal)
{
String completion = String.valueOf(proposal.getCompletion());
String type = String.valueOf(proposal.getDeclarationTypeName());
StringBuffer desc = new StringBuffer();
desc.append(type).append('.');
if (proposal.getKind() == CompletionProposal.METHOD_REF){
String sig = String.valueOf(
Signature.getSignatureSimpleName(proposal.getSignature()));
String name = completion.replaceFirst("\\(\\)", "");
int index = sig.indexOf(" (");
String ret = sig.substring(0, index);
String params = sig.substring(index).trim();
desc.append(name).append(params).append(" : ").append(ret);
// trim off the trailing paren if the method takes any arguments.
if (params.lastIndexOf(')') > params.lastIndexOf('(') + 1 &&
(completion.length() > 0 &&
completion.charAt(completion.length() - 1) == ')'))
{
completion = completion.substring(0, completion.length() - 1);
}
}else{
desc.append(completion);
}
String info = desc.toString();
results.add(new CodeCompleteResult(completion, null, info));
}
public List<CodeCompleteResult> getResults()
{
return results;
}
}
}