strange!!!

[Tony Young]

I've seen the codes in pakage "FC guide",
I wrote a program similar with the CandlestickChartDemo1.java
here is my program:

Code: Select all

public class temptest extends ApplicationFrame
{

    public temptest(String s)
    {
        super(s);
        OHLCDataset ohlcdataset = createDataset();
        JFreeChart jfreechart = createChart(ohlcdataset);
        jfreechart.getXYPlot().setOrientation(PlotOrientation.VERTICAL);
        ChartPanel chartpanel = new ChartPanel(jfreechart);
        chartpanel.setPreferredSize(new Dimension(500, 500));
        setContentPane(chartpanel);
    }

    private static JFreeChart createChart(OHLCDataset ohlcdataset)
    {
        JFreeChart jfreechart = ChartFactory.createCandlestickChart("Candlestick Demo", "Time", "Value", ohlcdataset, true);
        return jfreechart;
    }

    public static OHLCDataset createDataset()
    { ......//data........}

    public static JPanel createDemoPanel()
    {
        JFreeChart jfreechart = createChart(createDataset());
        return new ChartPanel(jfreechart);
    }

    public static void main(String args[])
    {
       temptest mytest= new temptest("mytest");
        candlestickchartdemo1.pack();
        RefineryUtilities.centerFrameOnScreen(mytest);
        mytest.setVisible(true);
    }
}

I've found nothing about dealing with mouse event...but it was performed well.
How can it be?!

[jwenting]

small gnomes eating magic brownies that sit in your computer reading the JFreeChart sourcecode

[Tony Young]

Hi:jwenting
sorry....what's your meaning

[jwenting]

it happens automagically.

[Taqua]

.. or in other words: It happens in the ChartPanel class. You would have found it out by yourself quite easily if you would either look at the sourcecode *or* the JavaDocs for that class.

Use the source, Luke! Or at least read the documentation. If you believe in magic or hope that code snippets found in the Internet save you, you will only harm yourself. Using a tool wit just the firm believe in magic, you will end up shooting yourself in the foot with a magic wand.

[jwenting]

I like he magic brownies better

[Tony Young]

Hi:
In default way, it zoomed in(out) when I dragged the mouse
But in my program, I want to use mouse wheel to zoom in or zoom out .
So I decide to write the method by myself, but I can't get any help from the source code, will someone explain me how to do this??