/*
 * Created on Jul 16, 2003
 *
 * To change the template for this generated file go to
 * Window>Preferences>Java>Code Generation>Code and Comments
 */
package CDBuilder.console;
import org.eclipse.jface.text.AbstractDocument;
import org.eclipse.jface.text.DefaultLineTracker;
import org.eclipse.jface.text.Document;
import org.eclipse.jface.text.ITextStore;
import org.eclipse.jface.text.TextViewer;
/**
 * @author ssim
 *
 * To change the template for this generated type comment go to
 * Window>Preferences>Java>Code Generation>Code and Comments
 */

public class ConsoleDocument extends AbstractDocument {
	
	private static ConsoleDocument cdos;
	private TextViewer tv;
	private ConsoleDocument(TextViewer tv) {
		this.tv = tv;
		setTextStore(newTextStore());	
		setLineTracker(new DefaultLineTracker());
		completeInitialization();
	}

	public static ConsoleDocument getCDOS( TextViewer tv) {
		if(cdos == null) {
			Document doc = new Document();
			cdos = new ConsoleDocument(tv);
		}
		return cdos;
	}
	
	public static ConsoleDocument getCDOS() {
		//if(cdos == null) {
		//	Document doc = new Document();
		//	cdos = new ConsoleDocument();
		//}
		return cdos;
	}
	
	public void set(String text) {
		if ( getNumberOfLines() > 50) 
			sizeTrunacate();
		super.set(get() + text) ;
		tv.setTopIndex(tv.getDocument().getNumberOfLines());
	}
	
	public void clear() {
		super.set("");
	}
		
		
	protected ITextStore newTextStore() {
		return new ConsoleOutputTextStore(2500);
	}
	
	private void sizeTrunacate() {
		try {
			String data = get(2,getLength());
			super.set(data);
		}
		catch (Exception E) {
			
		}
		
		
	}
}