package org.eclipse.swt.snippets;

/*
 * Recursively print SWT containments, classes and bounds.
 * By Jeff Winkler, http://jeffwinkler.net
 */
import java.lang.reflect.Method;

import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;

public class SWTPrinter {
	/** Recursively print SWT GUI elements and children. */
	static public void printComposite(Composite parent, String prefix) {
		
		printControl ( prefix + parent.getClass().getSimpleName(), parent, " " + parent.getLayout().getClass().getSimpleName());
		Control [] kids = parent.getChildren();
		for ( int x=0; x<kids.length; ++x ) {
			if ( kids[x] instanceof Composite)
				printComposite ( (Composite) kids[x], prefix+"   ");
			else
				printControl ( prefix+"   " +kids[x].getClass().getSimpleName(), kids[x],"");
		}
	}

	static private String str(org.eclipse.swt.graphics.Point point) {
		return point.x + "," + point.y;
	}

	static private void printControl(String ctrlName, Control c, String suffix) {
		String text="";
		try {
			Method m = c.getClass().getMethod("getText", new Class [] {});
			text = " '" + (String) m.invoke (c, new Class []{}) +"'";
		}
		catch ( Exception ex ) {;}
		System.out.println( ctrlName + text + " @" + str(c.getLocation()) +"  size " + str(c.getSize()) + suffix);
	}
}