package csep.ui.autoedit;
import org.eclipse.jface.text.BadLocationException;
import org.eclipse.jface.text.DefaultIndentLineAutoEditStrategy;
import org.eclipse.jface.text.DocumentCommand;
import org.eclipse.jface.text.IDocument;
import org.eclipse.jface.text.IRegion;
import org.eclipse.jface.text.TextUtilities;
import csep.parser.Helper;
public class IndentLineAutoEditStrategy extends
DefaultIndentLineAutoEditStrategy {
/**
* Start an indented block after certain lines
*/
public void customizeDocumentCommand(IDocument d, DocumentCommand c) {
super.customizeDocumentCommand(d, c);
// c.text now may be "\n\t\t", because tabs were appended
if (c.length == 0 && c.text != null && TextUtilities.startsWith(d.getLegalLineDelimiters(), c.text) != -1)
indentBlock(d, c);
}
protected void indentBlock(IDocument d, DocumentCommand c) {
if (c.offset == -1 || d.getLength() == 0)
return;
try {
// find start of line
int p = (c.offset == d.getLength() ? c.offset - 1 : c.offset);
IRegion info= d.getLineInformationOfOffset(p);
String line = d.get(info.getOffset(), info.getLength());
if (Helper.isBlockContainer(line))
// TODO: get actual indentation string
c.text += "\t";
}
catch (BadLocationException e) {
// do nothing
}
}
}