Language Java Nosugar UI Code Framedemo.java

// 
//	FrameDemo class
//	part of the set of documents known as Java no sugar.
//	Copyright (c) 1996 Sunil Gupta, sunil@magnetic.demon.co.uk
//	placed into the public domain by the author
//
import java.awt.*;
import java.applet.*;
import SimpleFrame;

public class FrameDemo extends Applet
{
	//*******************************************************************
	// globals
	//*******************************************************************
	static final String DIALOG = "DIALOG";
	static final String FRAME = "FRAME";
	static final String MENUBAR = "MENUBAR";
	static final String MENUITEMS = "MENUITEMS";
	static final String CHECKMENU = "CHECKMENU";
	
	//*******************************************************************
	// instance variables
	//*******************************************************************
	Button btn_frame, btn_dialog, btn_menubar, btn_menuitem, btn_checkmenu;
		
	//*******************************************************************
	// applet methods
	//*******************************************************************
	public void init()
	{
		String style;
		
		style = getParameter("STYLE");
		
		if	(style == null)	
			System.exit(1);
		else
		{
			this.setLayout( new FlowLayout());
			
			if (style.equals(FRAME))
			{
				btn_frame = new Button("click on me to get a frame");
				this.add(btn_frame);
			}
			else if (style.equals(DIALOG))
			{
				btn_dialog = new Button("click on me to get a dialog");
				this.add(btn_dialog);
			}
			else if (style.equals(MENUBAR))
			{
				btn_menubar = new Button("Show me a frame with a menubar");
				this.add(btn_menubar);
			}
			else if (style.equals(MENUITEMS))
			{
				btn_menuitem = new Button("show me a frame with menuitems");
				this.add(btn_menuitem);
			}
			else if (style.equals(CHECKMENU))
			{
				btn_checkmenu = new Button("show me checked menu items");
				this.add(btn_checkmenu);
			}
		}
	}

		public boolean action(Event event, Object arg)
		{
		Frame frame;
			
			if (event.target == btn_frame)
			{
			frame = new SimpleFrame("example frame");
			frame.pack();
			frame.show();
			return (true);
		}
			if (event.target == btn_dialog)
			{
			frame = new SimpleFrame("dialog from a frame", SimpleFrame.DIALOG);
			frame.pack();
			frame.show();
			return (true);
		}
			if (event.target == btn_menubar)
			{
			frame = new SimpleFrame("example frame with menubar", SimpleFrame.MENUBAR);
			frame.pack();
			frame.show();
			return (true);
		}
			if (event.target == btn_menuitem)
			{
			frame = new SimpleFrame("example menuitems",  SimpleFrame.MENUITEMS);
			frame.pack();
			frame.show();
			return (true);
		}
			if (event.target == btn_checkmenu)
			{
			frame = new SimpleFrame("example checked menu items",SimpleFrame.CHECKMENU);
			frame.pack();
			frame.show();
			return (true);
		}
		
		return(false);
   }
}

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