/* | |
* Licensed to the Apache Software Foundation (ASF) under one | |
* or more contributor license agreements. See the NOTICE file | |
* distributed with this work for additional information | |
* regarding copyright ownership. The ASF licenses this file | |
* to you under the Apache License, Version 2.0 (the | |
* "License"); you may not use this file except in compliance | |
* with the License. You may obtain a copy of the License at | |
* | |
* http://www.apache.org/licenses/LICENSE-2.0 | |
* | |
* Unless required by applicable law or agreed to in writing, | |
* software distributed under the License is distributed on an | |
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | |
* KIND, either express or implied. See the License for the | |
* specific language governing permissions and limitations | |
* under the License. | |
*/ | |
package org.apache.uima.ruta.ide.ui.console; | |
import java.io.IOException; | |
import java.util.List; | |
import org.eclipse.dltk.console.IScriptConsoleShell; | |
import org.eclipse.dltk.console.ScriptConsoleCompletionProposal; | |
import org.eclipse.dltk.console.ui.IScriptConsoleViewer; | |
import org.eclipse.dltk.console.ui.ScriptConsoleCompletionProcessor; | |
import org.eclipse.dltk.ui.DLTKPluginImages; | |
import org.eclipse.jface.text.ITextViewer; | |
import org.eclipse.jface.text.TextPresentation; | |
import org.eclipse.jface.text.contentassist.ICompletionProposal; | |
import org.eclipse.jface.text.contentassist.IContextInformation; | |
import org.eclipse.jface.text.contentassist.IContextInformationPresenter; | |
import org.eclipse.jface.text.contentassist.IContextInformationValidator; | |
import org.eclipse.swt.graphics.Image; | |
public class RutaConsoleCompletionProcessor extends ScriptConsoleCompletionProcessor { | |
protected static class Validator implements IContextInformationValidator, | |
IContextInformationPresenter { | |
protected int installOffset; | |
public boolean isContextInformationValid(int offset) { | |
return Math.abs(installOffset - offset) < 5; | |
} | |
public void install(IContextInformation info, ITextViewer viewer, int offset) { | |
installOffset = offset; | |
} | |
public boolean updatePresentation(int documentPosition, TextPresentation presentation) { | |
return false; | |
} | |
} | |
protected IProposalDecorator tmDecorator = new IProposalDecorator() { | |
public String formatProposal(ScriptConsoleCompletionProposal c) { | |
return c.getDisplay(); | |
} | |
public Image getImage(ScriptConsoleCompletionProposal c) { | |
String type = c.getType(); | |
if (type.equals("var")) { | |
return DLTKPluginImages.get(DLTKPluginImages.IMG_OBJS_LOCAL_VARIABLE); | |
} else if (type.equals("proc")) { | |
return DLTKPluginImages.get(DLTKPluginImages.IMG_METHOD_PUBLIC); | |
} else if (type.equals("command")) { | |
return DLTKPluginImages.get(DLTKPluginImages.IMG_METHOD_PRIVATE); | |
} else if (type.equals("func")) { | |
return DLTKPluginImages.get(DLTKPluginImages.IMG_OBJS_FIELD); | |
} | |
return null; | |
} | |
}; | |
private IContextInformationValidator validator; | |
public RutaConsoleCompletionProcessor(IScriptConsoleShell interpreterShell) { | |
super(interpreterShell); | |
} | |
@Override | |
public char[] getCompletionProposalAutoActivationCharacters() { | |
return new char[] { '$' }; | |
} | |
@Override | |
protected ICompletionProposal[] computeCompletionProposalsImpl(IScriptConsoleViewer viewer, | |
int offset) { | |
try { | |
String commandLine = viewer.getCommandLine(); | |
int cursorPosition = offset - viewer.getCommandLineOffset(); | |
List list = getInterpreterShell().getCompletions(commandLine, cursorPosition); | |
List proposals = createProposalsFromString(list, offset, tmDecorator); | |
return (ICompletionProposal[]) proposals.toArray(new ICompletionProposal[proposals.size()]); | |
} catch (IOException e) { | |
e.printStackTrace(); | |
} | |
return new ICompletionProposal[] {}; | |
} | |
@Override | |
protected IContextInformation[] computeContextInformationImpl(ITextViewer viewer, int offset) { | |
return null; | |
} | |
public IContextInformationValidator getContextInformationValidator() { | |
if (validator == null) { | |
validator = new Validator(); | |
} | |
return validator; | |
} | |
} |