/*
* 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.RutaIdeUIPlugin;
import org.eclipse.core.runtime.Assert;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.dltk.core.IScriptProject;
import org.eclipse.dltk.core.ISourceModule;
import org.eclipse.dltk.ui.PreferenceConstants;
import org.eclipse.dltk.ui.text.completion.ScriptTypeCompletionProposal;
import org.eclipse.jface.preference.IPreferenceStore;
import org.eclipse.jface.text.BadLocationException;
import org.eclipse.jface.text.Document;
import org.eclipse.jface.text.IDocument;
import org.eclipse.jface.text.contentassist.ContextInformation;
import org.eclipse.jface.text.contentassist.ICompletionProposalExtension4;
import org.eclipse.jface.text.contentassist.IContextInformation;
public class RutaOverrideCompletionProposal extends ScriptTypeCompletionProposal implements
ICompletionProposalExtension4 {
private String methodName;
public RutaOverrideCompletionProposal(IScriptProject project, ISourceModule cu,
String methodName, String[] paramTypes, int start, int length, String displayName,
String completionProposal) {
super(completionProposal, cu, start, length, null, displayName, 0);
Assert.isNotNull(project);
Assert.isNotNull(methodName);
Assert.isNotNull(paramTypes);
Assert.isNotNull(cu);
this.methodName = methodName;
setReplacementString(completionProposal);
}
@Override
public CharSequence getPrefixCompletionText(IDocument document, int completionOffset) {
return methodName;
}
@Override
protected boolean updateReplacementString(IDocument document, char trigger, int offset)
throws CoreException, BadLocationException {
final IDocument buffer = new Document(document.get());
int index = offset - 1;
while (index >= 0 && Character.isJavaIdentifierPart(buffer.getChar(index)))
index--;
final int length = offset - index - 1;
buffer.replace(index + 1, length, " "); //$NON-NLS-1$
return true;
}
public boolean isAutoInsertable() {
return false;
}
@Override
public IContextInformation getContextInformation() {
return new ContextInformation(getDisplayString(), getDisplayString());
}
@Override
protected boolean insertCompletion() {
IPreferenceStore preference = RutaIdeUIPlugin.getDefault().getPreferenceStore();
return preference.getBoolean(PreferenceConstants.CODEASSIST_INSERT_COMPLETION);
}
}