/* | |
* 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.text.completion; | |
import org.apache.uima.ruta.ide.core.RutaNature; | |
import org.eclipse.dltk.ui.text.completion.ScriptCompletionProcessor; | |
import org.eclipse.jface.text.ITextViewer; | |
import org.eclipse.jface.text.TextPresentation; | |
import org.eclipse.jface.text.contentassist.ContentAssistant; | |
import org.eclipse.jface.text.contentassist.IContextInformation; | |
import org.eclipse.jface.text.contentassist.IContextInformationPresenter; | |
import org.eclipse.jface.text.contentassist.IContextInformationValidator; | |
import org.eclipse.ui.IEditorPart; | |
public class RutaScriptCompletionProcessor extends ScriptCompletionProcessor { | |
public RutaScriptCompletionProcessor(IEditorPart editor, ContentAssistant assistant, | |
String partition) { | |
super(editor, assistant, partition); | |
} | |
@Override | |
protected String getNatureId() { | |
return RutaNature.NATURE_ID; | |
} | |
protected static class Validator implements IContextInformationValidator, | |
IContextInformationPresenter { | |
private int initialOffset; | |
public boolean isContextInformationValid(int offset) { | |
return Math.abs(offset - initialOffset) < 5; | |
} | |
public void install(IContextInformation info, ITextViewer viewer, int offset) { | |
initialOffset = offset; | |
} | |
public boolean updatePresentation(int documentPosition, TextPresentation presentation) { | |
return false; | |
} | |
} | |
private IContextInformationValidator validator; | |
@Override | |
public IContextInformationValidator getContextInformationValidator() { | |
if (validator == null) { | |
validator = new Validator(); | |
} | |
return validator; | |
} | |
} |