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/*****************************************************************************
* Copyright (c) 2010 CEA LIST.
*
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* CEA LIST - Initial API and implementation
*
*****************************************************************************/
package org.eclipse.papyrus.infra.gmfdiag.xtext.glue.contentassist;
import org.eclipse.jface.text.BadLocationException;
import org.eclipse.jface.text.IDocument;
import org.eclipse.jface.text.contentassist.CompletionProposal;
import org.eclipse.jface.text.contentassist.ICompletionProposal;
import org.eclipse.jface.text.contentassist.ICompletionProposalExtension;
import org.eclipse.jface.text.contentassist.IContextInformation;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.graphics.Point;
import org.eclipse.xtext.ui.editor.contentassist.ContentAssistContext;
/**
* @author CEA LIST - Initial contribution and API
*/
public class CustomCompletionProposal implements ICompletionProposal, ICompletionProposalExtension {
private CompletionProposal completionProposal ;
private int fReplacementOffset ;
private ContentAssistContext fContentAssistContext ;
private String fReplacementString ;
/**
* @param replacementString
* @param replacementOffset
* @param replacementLength
* @param cursorPosition
* @param image
* @param displayString
* @param contextInformation
* @param additionalProposalInfo
* @param contentAssistContext
*
*/
public CustomCompletionProposal (String replacementString,
int replacementOffset,
int replacementLength,
int cursorPosition,
Image image,
String displayString,
IContextInformation contextInformation,
String additionalProposalInfo,
ContentAssistContext contentAssistContext) {
completionProposal = new CompletionProposal(replacementString,
replacementOffset,
replacementLength,
cursorPosition,
image,
displayString,
contextInformation,
additionalProposalInfo) ;
fReplacementOffset = replacementOffset ;
fReplacementString = replacementString ;
fContentAssistContext = contentAssistContext ;
}
public void apply(IDocument document, char trigger, int offset) {
try {
int length = 0 ;
if (offset != fReplacementOffset)
length = offset - fReplacementOffset ;
else
length = fContentAssistContext.getSelectedText().length() ;
document.replace(fReplacementOffset ,
length,
fReplacementString) ;
}
catch (BadLocationException e) {
// ignore
}
}
public boolean isValidFor(IDocument document, int offset) {
try {
int length = offset - fReplacementOffset ;
return completionProposal.getDisplayString().toLowerCase().contains(document.get(fReplacementOffset, length).toLowerCase()) ;
}
catch (BadLocationException e) {
// ignore
}
return false;
}
public char[] getTriggerCharacters() {
// TODO Auto-generated method stub
return null;
}
public int getContextInformationPosition() {
// TODO Auto-generated method stub
return 0;
}
public void apply(IDocument document) {
// TODO Auto-generated method stub
}
public Point getSelection(IDocument document) {
return completionProposal.getSelection(document);
}
public String getAdditionalProposalInfo() {
return completionProposal.getAdditionalProposalInfo();
}
public String getDisplayString() {
return completionProposal.getDisplayString();
}
public Image getImage() {
return completionProposal.getImage();
}
public IContextInformation getContextInformation() {
return completionProposal.getContextInformation();
}
}
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