////////////////////////////////////////////////////////////////////////////////////////////
//PIMS: Personal Invstment Management System
//Class : AskNewPrice
//This class contains the GUI for asking share price from
//the user.
////////////////////////////////////////////////////////////////////////////////////////////

import java.awt.*;
import java.applet.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.tree.*;
import javax.swing.plaf.*;
import java.lang.*;
import java.io.*;
import javax.swing.table.*;
import java.util.*;

public class AskNewPrice extends JFrame implements ActionListener{

	private Label label;
	private TextField tf;
	private Button b;
	private Container contentPane;
	private JTable t;
	private EditPrices ep;
	private int ns;

	private CurrentValueSystem CVS;

	public AskNewPrice(JTable table,EditPrices editprices,int numShares, CurrentValueSystem CVS){

		t=table;
		ep=editprices;
		ns=numShares;
		this.CVS = CVS;

		label=new Label("New Price");
		tf=new TextField(10);

		b=new Button("Change");
		contentPane=getContentPane();

		contentPane.setLayout(new FlowLayout());
		contentPane.add(label);
		contentPane.add(tf);
		contentPane.add(b);

		setLocation(350,200);
		setSize(300,80);
		setTitle("Changing Prices");
		setVisible(true);

		b.addActionListener(this);

	}

	public void actionPerformed(ActionEvent ae){
		String str=ae.getActionCommand();
		if(str.equals("Change")){
			String newprice=tf.getText();
			try{
				double test = Double.parseDouble(newprice);
				if(test < 0){
					new Error("Negative value of a share price not allowed");
					return;
				}
			}
			catch(Exception e){
				new Error("Price not entered properly");
				return;
			}
			try{
				int selectedRow=t.getSelectedRow();
				if(selectedRow==-1){
					new Error("No row selected");
					return;
				}
				else{
					CVS.updateCVS(t.getSelectedRow(), newprice);
					ep.setVisible(false);
					new EditPrices(CVS);
					setVisible(false);
					return;
				}
			}
			catch(Exception e){
				new Error("Problem in updating the prices");
				return;
			}
		}
	}
}