Attachment 541 Details for Bug 1422 – source code to demonstrate problem

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source code to demonstrate problem

CustomPolarClickedMethodAlwaysReturnsZeroWhenChartIsClicked.java (text/plain), 5.04 KB, created by Jay Rinkel on 2016-01-28 18:16:36 EST

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Creator: Jay Rinkel

Created: 2016-01-28 18:16:36 EST

Size: 5.04 KB

patch

obsolete

>package bugs2013;
>
>import java.awt.event.MouseAdapter;
>import java.awt.event.MouseEvent;
>
>import javax.swing.JFrame;
>
>import com.steema.teechart.TChart;
>import com.steema.teechart.drawing.Point;
>import com.steema.teechart.styles.Polar;
>
>public class CustomPolarClickedMethodAlwaysReturnsZeroWhenChartIsClicked
>{
>    public static void main(final String[] args)
>    {
>        final TChart chart = initChart();
>
>        final Polar polarSeries = new Polar(chart.getChart());
>        polarSeries.setCircleLabelsInside(false);
>        polarSeries.getBrush().setVisible(false); // prevents the drawing of an "area" between points
>        polarSeries.setCircled(true);             // forces polar plot to be a circle instead of ellipse
>        polarSeries.getPen().setVisible(false);   // turns off drawing lines between points
>
>        // Add a few points to the chart
>        polarSeries.add(30,  1);
>        polarSeries.add(150, 2);
>        polarSeries.add(225, 3);
>        polarSeries.add(300, 4);
>
>        chart.getAxes().getLeft().getGrid().setVisible(false);
>        chart.getAxes().getBottom().getGrid().setVisible(false);
>        chart.addSeries(polarSeries);
>        chart.addMouseListener(new ChartMouseListener());
>
>        showChartFrame(chart);
>    }
>
>    private static TChart initChart()
>    {
>        final TChart chart = new TChart();
>
>        chart.getAspect().setView3D(false);
>        chart.getLegend().setVisible(false);
>        chart.getWalls().getBack().getGradient().setVisible(false);
>        chart.getWalls().getBack().setColor(com.steema.teechart.drawing.Color.WHITE);
>        chart.getAxes().getBottom().setLabelsOnAxis(true);
>
>        return chart;
>    }
>
>    private static void showChartFrame(final TChart chart)
>    {
>        final JFrame frame = new JFrame();
>
>        frame.getContentPane().add(chart);
>        frame.pack();
>        frame.setSize(400, 300);
>        frame.setLocationRelativeTo(null);
>        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
>
>        frame.setVisible(true);
>    }
>
>    private static class ChartMouseListener
>            extends MouseAdapter
>    {
>        @Override
>        public void mouseClicked(final MouseEvent ev)
>        {
>            final TChart tchart = (TChart) ev.getSource();
>            final Polar series = (Polar) tchart.getSeries(0);
>            final Point point = (Point) ev.getPoint();
>
>            final int index = series.clicked(point);
>
>            if (index == -1)
>            {
>                return;
>            }
>
>            System.out.println("Clicked point index: " + index);
>        }
>    }
>
>    // The following class fixes the problem
>    //public class CorrectedCustomPolar
>    //extends CustomPolar
>    //{
>    //    /**
>    //     * The ValueIndex of the "clicked" point in the Series.<br>
>    //     *
>    //     * @param x int
>    //     * @param y int
>    //     * @return int
>    //     */
>    //    @Override
>    //    public int clicked(int x, int y) {
>    //        int result = super.clicked(x, y);
>    //
>    //        if (result == -1)
>    //        {
>    //            return result;
>    //        }
>    //
>    //        result = -1;
>    //
>    //        if ((result == -1) && (firstVisible > -1) && (lastVisible > -1)) {
>    //            Point p = new Point(x,y);
>    //            Point tmp = new Point(0,0);
>    //            Point old = new Point(0,0);
>    //            //Point center = new Point(iCircleXCenter, iCircleYCenter);
>    //
>    //            if (chart != null) {
>    //                p = chart.getGraphics3D().calculate2DPosition(x, y, getStartZ());
>    //            }
>    //
>    //            for (int t = firstVisible; t <= lastVisible; t++) {
>    //                tmp.x = calcXPos(t);
>    //                tmp.y = calcYPos(t);
>    //                if ((tmp.x==x) && (tmp.y==y)) { //clicked right on point
>    //                    return t;
>    //                }
>    //                else if (getPointer().getVisible() && (getPointer().getStyle() != PointerStyle.NOTHING)) {
>    //                    if ((Math.abs(tmp.x - x) < getPointer().getHorizSize()) &&
>    //                        (Math.abs(tmp.y - y) < getPointer().getVertSize())) {
>    //                             return t;
>    //                    }
>    //                }
>    //                else if ((t > firstVisible) && clickedSegment(p, tmp, old)) {
>    //                    return t-1;
>    //                }
>    //                old = tmp;
>    //            }
>    //
>    //            // Finally, check if point p is over the last segment (only if closeCircle = True)
>    //            if ((result == -1) && getCloseCircle() && (lastVisible > firstVisible)) {
>    //                old.x = calcXPos(firstVisible);
>    //                old.y = calcYPos(firstVisible);
>    //                if (clickedSegment(p, tmp, old)) {
>    //                    return lastVisible;
>    //                }
>    //            }
>    //        }
>    //        return result;
>    //    }
>    //}
>}
>

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Attachments on bug 1422: 541