JFrame refresh problem

[elliot]

Hi

I have been coding Java for a couple of days, having come from a C background.

I have an application that displays a JFrame with a JFreeChart object held in the centre and three buttons in the south layout.

I have registered action listeners to the button, and the idea is to re draw the graph with a moving average series.

I can see my callback, but am unable to redraw the chart. What do I need to do to get the frame to redraw?

thanks

elliot

public void graphData() {
		String[] chartInfo = { "Gold Price USD", "Date /(Yr/)", "Price /(USD/)" };
		JButton monthBtn = new JButton("M");
		JButton sixMBtn = new JButton("6M");
		JButton yearBtn = new JButton("1Y");
	
		final TimeSeriesChart tsc = new TimeSeriesChart("Gold Price (USD)", "Date (Yr)", "Price (USD)");
		final int[] yIntArr = new int[ySeries.length];
		
		for (int i = 0; i < ySeries.length; i++) {
			yIntArr[i] = (int) ySeries[i];
		}	    

		final JFrame graphFrame = new JFrame();
		BorderLayout bl = new BorderLayout();		
		
		graphFrame.setLayout(bl);
		graphFrame.add(tsc.createPanel(xSeries, yIntArr, "null"), BorderLayout.CENTER);
		
		JPanel southPanel = new JPanel();
		monthBtn.addActionListener(new ActionListener (){
				public void actionPerformed(ActionEvent e){
					graphFrame.add(tsc.createPanel(xSeries, yIntArr, "month"), BorderLayout.CENTER);
					graphFrame.repaint();
				}
			});
		
		sixMBtn.addActionListener( new ActionListener (){
			public void actionPerformed(ActionEvent e){
				graphFrame.add(tsc.createPanel(xSeries, yIntArr, "sixmonth"), BorderLayout.CENTER);
				graphFrame.repaint();
			}
		});
		
		yearBtn.addActionListener( new ActionListener (){
			public void actionPerformed(ActionEvent e){
				graphFrame.add(tsc.createPanel(xSeries, yIntArr, "year"), BorderLayout.CENTER);
				graphFrame.repaint();
				System.out.println("here.......");
			}
		});
		
		southPanel.add(monthBtn);
		southPanel.add(sixMBtn);
		southPanel.add(yearBtn);
		
		graphFrame.add(southPanel, BorderLayout.SOUTH);
		graphFrame.setVisible(true);
		
		graphFrame.pack();
	}

[Fubarable]

If you add a new component, you will need to call revalidate on the the JPanel/container and sometimes repaint (as you are already doing).

[elliot]

Many thanks :-)

[Fubarable]

Many thanks :-)

You're quite welcome. Oh, and if your question is answered, please mark it "Answered".

And finally, welcome to our forum!

[elliot]

Thanks... how do I show as solved? I could not edit the title.

[Fubarable]

Thanks... how do I show as solved? I could not edit the title.

Click on "Thread Tools" above. :)