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/*
* 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;
}
}