package PackageOne;

/*-------------------------------------------------------------------*
 * NTU Student: Java With Engineering Applications, Spring 1999
 * Assignment # 1 - Java How To Program 2nd edition, Deitel & Deitel
 * Problem 1.20 on page 162
 *
 * Michael Kusmierz
 * Xerox Corporation
 * Rev 1.0	Apr 9, 1999 
 *
 * This code represents a students work in progress 
 * and is not to be used beyond that purpose.
 *-------------------------------------------------------------------*/ 

import java.applet.*;
import java.awt.*;
import java.awt.event.*;
/**
 * This type was partially created in VisualAge. The GUI composition editor
 * was used. The result was more detailed object code blocks.
 * Note that ActionListener was implemented rather then KeyListener.
 * Therefore, extra code generated was left in for comparison purposes
 */
 //  public class Circle extends Applet implements KeyListener {

public class Circle extends Applet implements ActionListener {
	Font font = new Font("Dialog", Font.BOLD, 14);
	String str = "Welcome to the three integer calculator 1.20";
	int xPos = 5;
	private Label ivjLabel1 = null;
	private Label ivjlblInstructions = null;
	private Label ivjlblNumberA = null;
	private Label ivjlblNumberB = null;
	private Label ivjlblResults = null;
	private TextField ivjtxtFieldA = null;
	private TextField ivjtxtFieldB = null;
	private TextField ivjtxtFieldC = null;
	int number1, number2, number3;			//store input values from txtFieldsA..C
	// Process user's action on the input "enter" of txtFieldC
	public void actionPerformed(ActionEvent e)
	{
		try {
			number1 = Integer.parseInt( ivjtxtFieldA.getText() );
			number2 = Integer.parseInt( ivjtxtFieldB.getText() );
			number3 = Integer.parseInt( ivjtxtFieldC.getText() );
			showStatus("Type a new number ... then 'enter'");	
			repaint();
		} catch (java.lang.Throwable ivjExc) 	{
			showStatus("---- Entry Error,try again ! -----");	

		}
	}
/**
 * Returns information about this applet.
 * @return a string of information about this applet
 */
public String getAppletInfo() {
	return "Circle\n" + 
		"\n" + 
		"Using VisualAge and no GUI building option.\n" + 
		"Problem 1.20 Write a Java applet that inputs three integers from the user at the keyboard and prints the\n" + 
		"sum, average, product, smallest, and largest of these numbers. Use the GUI techniques shown in Fig. 1.13\n" + 
		"";
}
/**
 * Return the Label1 property value.
 * @return java.awt.Label
 */
/* WARNING: THIS METHOD WILL BE REGENERATED. */
private Label getLabel1() {
	if (ivjLabel1 == null) {
		try {
			ivjLabel1 = new java.awt.Label();
			ivjLabel1.setName("Label1");
			ivjLabel1.setText("and another, then Enter");
			ivjLabel1.setBounds(54, 96, 147, 23);
			// user code begin {1}
			// user code end
		} catch (java.lang.Throwable ivjExc) {
			// user code begin {2}
			// user code end
			handleException(ivjExc);
		}
	};
	return ivjLabel1;
}
/**
 * Return the lblInstructions property value.
 * @return java.awt.Label
 */
/* WARNING: THIS METHOD WILL BE REGENERATED. */
private Label getlblInstructions() {
	if (ivjlblInstructions == null) {
		try {
			ivjlblInstructions = new java.awt.Label();
			ivjlblInstructions.setName("lblInstructions");
			ivjlblInstructions.setFont(new java.awt.Font("dialog", 1, 12));
			ivjlblInstructions.setText("Enter three integers:");
			ivjlblInstructions.setBounds(23, 19, 150, 23);
			// user code begin {1}
			// user code end
		} catch (java.lang.Throwable ivjExc) {
			// user code begin {2}
			// user code end
			handleException(ivjExc);
		}
	};
	return ivjlblInstructions;
}
/**
 * Return the lblNumberA property value.
 * @return java.awt.Label
 */
/* WARNING: THIS METHOD WILL BE REGENERATED. */
private Label getlblNumberA() {
	if (ivjlblNumberA == null) {
		try {
			ivjlblNumberA = new java.awt.Label();
			ivjlblNumberA.setName("lblNumberA");
			ivjlblNumberA.setText("Enter an Integer ...");
			ivjlblNumberA.setBounds(54, 45, 141, 23);
			// user code begin {1}
			// user code end
		} catch (java.lang.Throwable ivjExc) {
			// user code begin {2}
			// user code end
			handleException(ivjExc);
		}
	};
	return ivjlblNumberA;
}
/**
 * Return the lblNumberB property value.
 * @return java.awt.Label
 */
/* WARNING: THIS METHOD WILL BE REGENERATED. */
private Label getlblNumberB() {
	if (ivjlblNumberB == null) {
		try {
			ivjlblNumberB = new java.awt.Label();
			ivjlblNumberB.setName("lblNumberB");
			ivjlblNumberB.setText("Enter another ...");
			ivjlblNumberB.setBounds(54, 70, 143, 23);
			// user code begin {1}
			// user code end
		} catch (java.lang.Throwable ivjExc) {
			// user code begin {2}
			// user code end
			handleException(ivjExc);
		}
	};
	return ivjlblNumberB;
}
/**
 * Return the lblResults property value.
 * @return java.awt.Label
 */
/* WARNING: THIS METHOD WILL BE REGENERATED. */
private Label getlblResults() {
	if (ivjlblResults == null) {
		try {
			ivjlblResults = new java.awt.Label();
			ivjlblResults.setName("lblResults");
			ivjlblResults.setFont(new java.awt.Font("dialog", 1, 12));
			ivjlblResults.setText("Results :");
			ivjlblResults.setBounds(23, 125, 52, 23);
			// user code begin {1}
			// user code end
		} catch (java.lang.Throwable ivjExc) {
			// user code begin {2}
			// user code end
			handleException(ivjExc);
		}
	};
	return ivjlblResults;
}
/**
 * Return the txtFieldA property value.
 * @return java.awt.TextField
 */
/* WARNING: THIS METHOD WILL BE REGENERATED. */
private TextField gettxtFieldA() {
	if (ivjtxtFieldA == null) {
		try {
			ivjtxtFieldA = new java.awt.TextField();
			ivjtxtFieldA.setName("txtFieldA");
			ivjtxtFieldA.setBounds(269, 49, 89, 23);
			// user code begin {1}
			// user code end
		} catch (java.lang.Throwable ivjExc) {
			// user code begin {2}
			// user code end
			handleException(ivjExc);
		}
	};
	return ivjtxtFieldA;
}
/**
 * Return the txtFieldB property value.
 * @return java.awt.TextField
 */
/* WARNING: THIS METHOD WILL BE REGENERATED. */
private TextField gettxtFieldB() {
	if (ivjtxtFieldB == null) {
		try {
			ivjtxtFieldB = new java.awt.TextField();
			ivjtxtFieldB.setName("txtFieldB");
			ivjtxtFieldB.setBounds(269, 74, 89, 23);
			// user code begin {1}
			// user code end
		} catch (java.lang.Throwable ivjExc) {
			// user code begin {2}
			// user code end
			handleException(ivjExc);
		}
	};
	return ivjtxtFieldB;
}
/**
 * Return the txtFieldC property value.
 * @return java.awt.TextField
 */
/* WARNING: THIS METHOD WILL BE REGENERATED. */
private TextField gettxtFieldC() {
	if (ivjtxtFieldC == null) {
		try {
			ivjtxtFieldC = new java.awt.TextField();
			ivjtxtFieldC.setName("txtFieldC");
			ivjtxtFieldC.setBounds(269, 99, 89, 23);
			// user code begin {1}
			// user code end
		} catch (java.lang.Throwable ivjExc) {
			// user code begin {2}
			// user code end
			handleException(ivjExc);
		}
	};
	return ivjtxtFieldC;
}
/**
 * Called whenever the part throws an exception.
 * @param exception java.lang.Throwable
 */
private void handleException(Throwable exception) {

	/* Uncomment the following lines to print uncaught exceptions to stdout */
	 System.out.println("--------- UNCAUGHT EXCEPTION ---------");
	 exception.printStackTrace(System.out);
	 showStatus("---- Entry Error,try again ! -----");	

}
/**
 * Initializes the applet.
 */
public void init() {
	super.init();
	try {
		setName("Circle");
		setLayout(null);
		setSize(400, 340);
		add(getlblInstructions(), getlblInstructions().getName());
		add(getlblNumberA(), getlblNumberA().getName());
		add(getlblNumberB(), getlblNumberB().getName());
		add(getLabel1(), getLabel1().getName());
		add(gettxtFieldA(), gettxtFieldA().getName());
		add(gettxtFieldB(), gettxtFieldB().getName());
		add(gettxtFieldC(), gettxtFieldC().getName());
		// user code begin {1}
		/** Add an action listener to the users last field entry to
		*   trigger calculation of results.
		*/
		ivjtxtFieldC.addActionListener( this );
		// user code end
	} catch (java.lang.Throwable ivjExc) {
		// user code begin {2}
		// user code end
		handleException(ivjExc);
	}
}
/** CODE NOT USED
 * Called when a key has been pressed.
 * @param e the received event
 */
public void keyPressed(KeyEvent e) {
	System.out.println("keyPressed");
}
/** CODE NOT USED
 * Called when a key has been released.
 * @param e the received event
 */
public void keyReleased(KeyEvent e) {
	System.out.println("keyReleased");
}
/** CODE NOT USED
 * Called when a key has been typed.
 * @param e the received event
 */
public void keyTyped(KeyEvent e) {
	System.out.println("keyTyped");
}
/**
 * main entrypoint - starts the part when it is run as an application
 * @param args java.lang.String[]
 */
public static void main(java.lang.String[] args) {
	try {
		Frame frame;
		try {
			Class aFrameClass = Class.forName("com.ibm.uvm.abt.edit.TestFrame");
			frame = (Frame)aFrameClass.newInstance();
		} catch (java.lang.Throwable ivjExc) {
			frame = new Frame();
		}
		Circle aCircle;
		Class iiCls = Class.forName("PackageCircleA.Circle");
		ClassLoader iiClsLoader = iiCls.getClassLoader();
		aCircle = (Circle)java.beans.Beans.instantiate(iiClsLoader,"PackageCircleA.Circle");
		frame.add("Center", aCircle);
		frame.setSize(aCircle.getSize());
		frame.setVisible(true);
	} catch (Throwable exception) {
		System.err.println("Exception occurred in main() of java.applet.Applet");
		exception.printStackTrace(System.out);
	}
}
/**
 * Draws the text on the drawing area. Displays the results.
 * @param g the specified Graphics window
 */
public void paint(Graphics g) {
	int iSum, iAverage, iProduct, iSmallest, iLargest;
	try {
		g.setFont(font);
		g.setColor(Color.black);
		g.drawString(str, xPos, 15);
		// ** Start calculations now 
		g.drawString( "When A,B,C = " + number1 +", "+ number2 +", "+ number3+", results are as follows:", xPos, 200);
		iSum = number1 + number2 + number3;
		g.drawString("Sum=" + iSum, xPos, 220);
		iAverage = iSum / 3;
		g.drawString("Average=" + iAverage, xPos, 240);
		iProduct = number1 * number2 * number3;
		g.drawString("Product=" + iProduct, xPos, 260);
		if (number1 >= number2) {
			iLargest = number1;
			iSmallest = number2;
		}
		else {
			iLargest = number2;
			iSmallest = number1;
		}
		if (number3 >= iLargest)
			iLargest = number3;
		if (number3 <= iSmallest)
		    iSmallest = number3;
		g.drawString("Smallest=" + iSmallest + ", Largest=" + iLargest, xPos, 280);	
	}
	catch (java.lang.Throwable ivjExc) {
			 g.drawString("---- Result Error,try again ! -----", xPos, 300);	

	}
	}
}