/**
@author  Scott Marshall
@author  University of Glasgow, MSc IT Project 2001
@author  Building an OnLine Course in Computing Fundamentals
*/

package ukacgla_ATT;

import javax.swing.*;
import java.awt.event.*;
import java.awt.*;


/**
frameMaker is called by the initiating class for the exercise.

Set the size and specs for the DeskTop pane. 
Call makeGUI() ,
	makeGUI is abstract, as it must instantiate a concrete implementation of the TableUI class. 
	Control then passes to the concrete implementation of TableUI. 
Provides methods for other classes to create internal frames. 
*/
abstract public class frameMaker extends JApplet{

	/** Holds all JInternalFrames generated by program */
	protected JDesktopPane desktop;
	
	static final int internalFrameWidth = 775;
	static final int internalFrameHeight = 420;	

		
	/**
	 * Set to Windows look and feel
	 * 	1.Set up frame
	 * 	2.Set up JDesktop 
	 * 	3.Add internal frames to JDesktop.
	*/
	public frameMaker(JApplet applet){

		//set to Windows look and feel
		try {
		
			UIManager.setLookAndFeel("com.sun.java.swing.plaf.windows.WindowsLookAndFeel");
		} 
		catch (Exception e) { }
		
		//contents of frame
		Container contentPane = applet.getContentPane();
		desktop = new JDesktopPane();
		desktop.setBackground(Color.lightGray);
		contentPane.add(desktop);
		makeGUI();

	}
	
	/** makeGUI()  must instantiate an extended concrete TableUI class through this method	*/
	abstract public void makeGUI();

	
	/** Adds specified JInternalFrame to the existing JDeskTopPane */	
	public void addFrame(JInternalFrame f){
		desktop.add(f);
		f.setVisible(true);
		desktop.revalidate();


	}
		
	/** Returns blank JInternalFrame, with independent window closer */
	public JInternalFrame mkFrame(String name,boolean resize, boolean close, int xPos, int yPos, int width, int height){
		JInternalFrame tempFrame = new JInternalFrame(name, resize, close);	
		tempFrame.setOpaque(true);
		tempFrame.setLocation(xPos,yPos);
		tempFrame.setSize(width, height);
		tempFrame.setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
		tempFrame.setVisible(true);
		tempFrame.setBackground(Color.lightGray);
		
		
		//ensure frame can be selected
		try	{
			tempFrame.setSelected(true);
		}
		
		catch(java.beans.PropertyVetoException ex)	{
			System.out.println("Exception while selecting internal frame");
		}
			
		return tempFrame;
		
	}//ends mkFrame	
	


	/** Returns default JInternalFrame  width */
	public int getInternalFrameWidth(){
		return internalFrameWidth;
	}

	/** Returns default JInternalFrame  height */
	public int getInternalFrameHeight()	{
		return internalFrameHeight;
	}	

	/** Closes and disposes of specified JInternalFrame */
	public void closeFrame(JInternalFrame f){
		if (f!= null)	{
			f.dispose();
			f = null;
		}
	}

}//ends class