/**
* Copyright (C) 2014
*
* 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.groovy.command.complete;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import org.codehaus.groovy.eclipse.codeassist.requestor.GroovyCompletionProposalComputer;
import org.codehaus.groovy.eclipse.editor.GroovyEditor;
import org.codehaus.jdt.groovy.model.GroovyCompilationUnit;
import org.eclim.annotation.Command;
import org.eclim.command.CommandLine;
import org.eclim.plugin.core.command.complete.CodeCompleteResult;
import org.eclim.plugin.core.util.ProjectUtils;
import org.eclipse.core.resources.IFile;
import org.eclipse.jdt.core.ICompilationUnit;
import org.eclipse.jdt.core.JavaCore;
import org.eclipse.jdt.internal.ui.javaeditor.EditorUtility;
import org.eclipse.jdt.internal.ui.javaeditor.JavaEditor;
import org.eclipse.jdt.internal.ui.javaeditor.JavaSourceViewer;
import org.eclipse.jdt.ui.text.java.IJavaCompletionProposal;
import org.eclipse.jdt.ui.text.java.IJavaCompletionProposalComputer;
import org.eclipse.jdt.ui.text.java.JavaContentAssistInvocationContext;
import org.eclipse.jface.text.contentassist.ICompletionProposal;
import org.eclipse.ui.ide.IDE;
/**
* Command which provides code completion for groovy files.
*/
@Command(
name = "groovy_complete",
options =
"REQUIRED p project ARG," +
"REQUIRED f file ARG," +
"REQUIRED o offset ARG," +
"REQUIRED e encoding ARG," +
"REQUIRED l layout ARG"
)
public final class CodeCompleteCommand
extends org.eclim.plugin.jdt.command.complete.CodeCompleteCommand
{
@Override
protected Object getResponse(List<CodeCompleteResult> results)
{
// bypass the super class jdt response
return results;
}
@Override
protected List<CodeCompleteResult> getCompletionResults(
CommandLine commandLine, String project, String file, int offset)
throws Exception
{
IFile ifile = ProjectUtils.getFile(
ProjectUtils.getProject(project, true), file);
ICompilationUnit unit = JavaCore.createCompilationUnitFrom(ifile);
// ensure opens with Groovy editor
if(unit instanceof GroovyCompilationUnit){
unit.getResource().setPersistentProperty(
IDE.EDITOR_KEY, GroovyEditor.EDITOR_ID);
}
JavaEditor editor = (JavaEditor)EditorUtility.openInEditor(unit);
JavaSourceViewer viewer = (JavaSourceViewer)editor.getViewer();
JavaContentAssistInvocationContext context =
new JavaContentAssistInvocationContext(viewer, offset, editor);
IJavaCompletionProposalComputer computer =
new GroovyCompletionProposalComputer();
List<ICompletionProposal> proposals =
computer.computeCompletionProposals(context, null);
editor.close(false);
if(proposals == null){
proposals = Collections.emptyList();
}
ArrayList<CodeCompleteResult> results = new ArrayList<CodeCompleteResult>();
for(ICompletionProposal proposal : proposals){
results.add(createCompletionResult((IJavaCompletionProposal)proposal));
}
Collections.sort(results, COMPLETION_COMPARATOR);
return results;
}
}