gb2.java

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    gbFrame(String title, smtpSend smtp, Image image, boolean threeD)
    {

        super(title);

        this.smtp=smtp;

        setFont(new Font("System",Font.PLAIN,14));

        GridBagLayout gridbag=new GridBagLayout();
       	GridBagConstraints c=new GridBagConstraints();
       	setLayout(gridbag);

        if(null != image){
            c.insets=new Insets(5,5,8,5);
            c.weightx=1;c.weighty=1;
            c.fill=GridBagConstraints.NONE;
            c.gridwidth=GridBagConstraints.REMAINDER;
            logoPanel lp=new logoPanel(image, threeD);
       	    gridbag.setConstraints(lp,c);
       	    add(lp);

       	}

        c.weightx=1;c.weighty=1;
        c.insets=new Insets(3,5,0,0);
        c.gridwidth=1;
        c.fill=GridBagConstraints.NONE;
        c.anchor=GridBagConstraints.EAST;
        Label label = new Label(" Your Name (optional): ");
        gridbag.setConstraints(label,c);
       	add(label);

        c.insets=new Insets(3,0,0,5);
        c.fill=GridBagConstraints.NONE;
        c.anchor=GridBagConstraints.WEST;
        c.gridwidth=GridBagConstraints.REMAINDER;
        tf1=new TextField("",32);
       	gridbag.setConstraints(tf1,c);
       	add(tf1);

        c.insets=new Insets(3,5,0,0);
        c.gridwidth=1;
        c.fill=GridBagConstraints.NONE;
        c.anchor=GridBagConstraints.EAST;
        label = new Label(" Your Email (optional): ");
        gridbag.setConstraints(label,c);
       	add(label);

        c.insets=new Insets(3,0,0,5);
        c.gridwidth=GridBagConstraints.REMAINDER;
        c.fill=GridBagConstraints.NONE;
        c.anchor=GridBagConstraints.WEST;
        tf2=new TextField("",32);
       	gridbag.setConstraints(tf2,c);
       	add(tf2);



        c.insets=new Insets(8,5,0,5);
        c.gridwidth=GridBagConstraints.REMAINDER;
        c.fill=GridBagConstraints.NONE;
        c.anchor=GridBagConstraints.CENTER;
        label = new Label(" Any comments or suggestions are welcome! ");
        gridbag.setConstraints(label,c);
       	add(label);

       	c.insets=new Insets(3,5,3,5);
        c.gridwidth=GridBagConstraints.REMAINDER;;
        c.fill=GridBagConstraints.BOTH;
        ta1=new TextArea("",6,66);
       	gridbag.setConstraints(ta1,c);
       	add(ta1);

        c.insets=new Insets(3,5,3,0);
        c.gridwidth=2;
        c.fill=GridBagConstraints.HORIZONTAL;
        sendButton =new tButton("Send");
       	gridbag.setConstraints(sendButton,c);
       	add(sendButton);

        c.insets=new Insets(3,0,3,0);
        tButton b=new tButton("Clear");
       	gridbag.setConstraints(b,c);
       	add(b);

        c.insets=new Insets(3,0,3,5);
       	c.gridwidth=GridBagConstraints.REMAINDER;
        b=new tButton("Quit");
       	gridbag.setConstraints(b,c);
       	add(b);

      	c.insets=new Insets(3,5,3,5);
        c.gridwidth=GridBagConstraints.REMAINDER;;
        c.fill=GridBagConstraints.BOTH;
        ta2=new TextArea("Ready.",3,66);
       	gridbag.setConstraints(ta2,c);
       	add(ta2,false);
       	ta2.setEditable(false);

       	validate();

       	smtp.setScroller(ta2);

       	setBackground(Color.lightGray);

        System.out.println(COPYRIGHT);
    }

    private void clearText()
    {
        tf1.setText("");
        tf2.setText("");
        ta1.setText("");
        ta2.setText("Ready.");
    }




    public void show()
    {
        pack();
        //resize(preferredSize());
        sendButton.enable();
        clearText();
        Dimension screenSize = getToolkit().getScreenSize();
        move((screenSize.width - size().width)/2,
                       (screenSize.height - size().height)/2);
        super.show();
    }


    public boolean action(Event e, Object arg)
    {
        String NOT_SENT = "Message NOT sent.";
        String NO_DATA  = "Nothing to send.";

		if(arg.equals("Quit")){
			hide();
	  		return true;
        }
        else if(arg.equals("Clear")){
            clearText();
            return true;
        }
        else if (arg.equals("Send")){
            if(tf1.getText().length() + tf2.getText().length() + ta1.getText().length() == 0){
        	    ta2.appendText("\r\n" + NO_DATA);
        	    System.out.println(NO_DATA);
        	}
        	else{
        	    sendButton.disable();
	        	String message="Guest: " + tf1.getText() + "\n" +
        			           "Address: " + tf2.getText() + "\n\n" +
        	    		       ta1.getText() ;
                try{
        	        smtp.mailMessage("Guestbook Entry!",message);
                }catch (Exception exception){
                    String errMsg=exception.toString();
                    ta2.appendText("\r\n" + errMsg.substring(errMsg.indexOf(":")+2, errMsg.length()));
                    System.out.println(errMsg.substring(errMsg.indexOf(":")+2, errMsg.length()));
                    ta2.appendText("\r\n" + NOT_SENT);
                    System.out.println(NOT_SENT);
                    sendButton.enable();
                }
           	}
        }
        return false;
    }
}


public class gb2 extends Applet
{
    static final String COPYRIGHT  = "(C) 1996 by W.Giel";
    static final String IMAGE_LOAD = "Loading Images...wait.";
    static final String VERSION    = "Guest Book II v2.0a (4 July 1996)";
    static final String TITLE      = "Guest Book II";
	int width,height;

	tFrame window=null;

	smtpSend smtp = null;

	String szButton;
	String szReceiver;
	String szTitle;

	String szAppletImage;
	String szLogoImage;
	int imageCount = 0;
	imageLoader il=null;
	Image images[];
	boolean threeD;

	Color bgColor;
	Color fgColor;


	Button button;


	public void init()
	{
	    String szColor;

        szReceiver = getParameter("receiver");

		if(null==(szTitle=getParameter("title")))
			szTitle=TITLE;

		if(null==(szButton=getParameter("button")))
			szButton=TITLE;

		if(null==(szColor=getParameter("bgcolor")))
			bgColor=Color.lightGray;
	    else bgColor = parseColorString(szColor);


		if(null==(szColor=getParameter("fgcolor")))
			fgColor=Color.black;
	    else fgColor = parseColorString(szColor);

	    String param=getParameter("3d_logo");
	    if(null != param && Integer.valueOf(param).intValue() > 0)threeD=true;
	    else threeD=false;


	    add (button=new Button(szButton));
		width=size().width; height=size().height;
        button.move((width-button.size().width)/2,
						(width-button.size().width)/2);



		if(null != (szAppletImage = getParameter("applet_image")))imageCount++;
		if(null != (szLogoImage = getParameter("logo_image")))imageCount++;

		if(imageCount > 0){
		    int index=0;
    		String szImage[] = new String[imageCount];
    		if(null != szAppletImage)szImage[index++]=szAppletImage;
    		if(null != szLogoImage)szImage[index]=szLogoImage;
    		il=new imageLoader(this, szImage, imageCount, null);
    		il.start();
    		images=new Image[imageCount];
    	}



 	}


    private Color parseColorString(String colorString)
    {
        if(colorString.length()==6){
            int R = Integer.valueOf(colorString.substring(0,2),16).intValue();
            int G = Integer.valueOf(colorString.substring(2,4),16).intValue();
            int B = Integer.valueOf(colorString.substring(4,6),16).intValue();
            return new Color(R,G,B);
        }
        else return Color.lightGray;
    }


	public void paint(Graphics g)
	{
		Color color=g.getColor();

		FontMetrics fm=g.getFontMetrics();

	    if(il != null){
	        g.drawString(IMAGE_LOAD,(size().width-fm.stringWidth(IMAGE_LOAD))/2,size().height-fm.getMaxDescent()-3);
	        while(null == (images = il.retrieveImages()));
	        il.stop();
	        il=null;
	    }

	    g.setColor(bgColor);
		g.fill3DRect(0,0,size().width,size().height,true);
		g.setColor(fgColor);


	    if(null != szAppletImage && null != images)
			    g.drawImage(images[0], (size().width-images[0].getWidth(this))/2, button.size().height
				    +(size().height-images[0].getHeight(this)-button.size().height)/3,this);



        g.drawString(COPYRIGHT,(size().width-fm.stringWidth(COPYRIGHT))/2,size().height-fm.getMaxDescent()-3);
        g.setColor(color);


	}

    public boolean action(Event evt, Object arg)
    {
		if(arg.equals(szButton)){

		    if (null == smtp)
		        smtp=new smtpSend(getCodeBase().getHost(),szReceiver);
            if(null == window)
                window=new gbFrame(szTitle, smtp, (null != szLogoImage && null != images)? images[imageCount-1] : null, threeD);
            window.show();
			return true;
        }
		else return false;
    }


	///////////////////////////////////////////////////
	//Applet parameters - pretty much self-explanatory
	///////////////////////////////////////////////////
    public String[][] getParameterInfo()
    {
		String[][] info = {
            {"width","int","width of the applet, in pixels"},
            {"height","int","height of the applet, in pixels"},
            {"receiver","string","SMTP 'RCPT TO:' parameter <null>"},
            {"applet_image","string","GIF file to display on applet panel <null>"},
            {"logo_image","string","GIF file to display on message dialog <null>"},
            {"3d_logo","int","Non-zero produces an inletted logo image <0>"},
            {"bgcolor","String","RGB hex triplet for applet panel background <lightGray>"},
            {"fgcolor","String","RGB hex triplet for applet panel foreground <black>"},
            {"title","string","title for popup window <Guest Book II>"},
            {"button","string","Label to appear in applet's button <Guest Book II>"}
        };
        return info;
    }

	/////////////////////////////////////
    //Applet name, author and info lines
    /////////////////////////////////////
    public String getAppletInfo()
    {
        return (	VERSION + " - simulates a guest log\n" +
        			"by E-mailing guest data to page owner, by Bill Giel\n" +
        			"http://www.nai.net/~rvdi/home.htm  or  [e-mail]\n" +
        			"Copyright 1996 by William Giel.");
    }


}