/*
* #%~
* org.overture.ide.ui
* %%
* Copyright (C) 2008 - 2014 Overture
* %%
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this program. If not, see
* <http://www.gnu.org/licenses/gpl-3.0.html>.
* #~%
*/
package org.overture.ide.ui.editor.autoedit;
import org.eclipse.jface.text.BadLocationException;
import org.eclipse.jface.text.DocumentCommand;
import org.eclipse.jface.text.IAutoEditStrategy;
import org.eclipse.jface.text.IDocument;
import org.overture.ide.ui.VdmUIPlugin;
public class VdmAutoEditStrategy implements IAutoEditStrategy {
public void customizeDocumentCommand(IDocument document,
DocumentCommand command) {
if(command.text.equals("\""))
{
command.text = "\"\"";
configureCommand(command);
}
else if(command.text.equals("'"))
{
command.text = "''";
configureCommand(command);
}
else if(command.text.equals("{"))
{
int line;
try {
line = document.getLineOffset(command.offset);
String ident = getIndentOfLine(document,line);
command.text = "{" + "\r\n" + ident + "}";
} catch (BadLocationException e) {
VdmUIPlugin.printe(e);
}
}
}
private String getIndentOfLine(IDocument document, int line) throws BadLocationException {
if(line > -1)
{
int start = document.getLineOffset(line);
int end = start + document.getLineLength(line) - 1;
int whiteend = findEndOfWhiteSpace(document,start,end);
return document.get(start,whiteend - start);
}
else
{
return "";
}
}
private int findEndOfWhiteSpace(IDocument document, int offset, int end) throws BadLocationException{
while(offset < end)
{
char c = document.getChar(offset);
if(c != ' ' & c != '\t'){
return offset;
}
offset++;
}
return end;
}
private void configureCommand(DocumentCommand command) {
command.caretOffset = command.offset + 1;
command.shiftsCaret = false;
}
}