Example usage for org.jfree.chart.plot CategoryPlot getCategoriesForAxis

Introduction

In this page you can find the example usage for org.jfree.chart.plot CategoryPlot getCategoriesForAxis.

Prototype

public List getCategoriesForAxis(CategoryAxis axis) 

Source Link

Document

Returns a list of the categories that should be displayed for the specified axis.

Usage

From source file:org.fhaes.fhrecorder.util.NumericCategoryAxis.java

@SuppressWarnings({ "rawtypes", "unchecked" })
@Override/*from w  ww.  j  a v  a  2s  . co m*/
public List refreshTicks(Graphics2D g2, AxisState state, Rectangle2D dataArea, RectangleEdge edge) {

    List ticks = new java.util.ArrayList();

    // sanity check for data area...
    if (dataArea.getHeight() <= 0.0 || dataArea.getWidth() < 0.0) {
        return ticks;
    }

    CategoryPlot plot = (CategoryPlot) getPlot();
    List categories = plot.getCategoriesForAxis(this);
    double max = 0.0;

    if (categories != null) {
        CategoryLabelPosition position = this.getCategoryLabelPositions().getLabelPosition(edge);
        float r = this.getMaximumCategoryLabelWidthRatio();
        if (r <= 0.0) {
            r = position.getWidthRatio();
        }

        float l = 0.0f;
        if (position.getWidthType() == CategoryLabelWidthType.CATEGORY) {
            l = (float) calculateCategorySize(categories.size(), dataArea, edge);
        } else {
            if (RectangleEdge.isLeftOrRight(edge)) {
                l = (float) dataArea.getWidth();
            } else {
                l = (float) dataArea.getHeight();
            }
        }
        int categoryIndex = 0;
        Iterator iterator = categories.iterator();
        while (iterator.hasNext()) {
            Comparable category = (Comparable) iterator.next();

            try {
                Integer intcategory = Integer.valueOf(category.toString());

                int modulus = intcategory % labelEveryXCategories;

                if (modulus != 0)
                    category = " ";

            } catch (NumberFormatException e) {

            }

            TextBlock label = createLabel(category, l * r, edge, g2);
            if (edge == RectangleEdge.TOP || edge == RectangleEdge.BOTTOM) {
                max = Math.max(max, calculateTextBlockHeight(label, position, g2));
            } else if (edge == RectangleEdge.LEFT || edge == RectangleEdge.RIGHT) {
                max = Math.max(max, calculateTextBlockWidth(label, position, g2));
            }
            Tick tick = new CategoryTick(category, label, position.getLabelAnchor(),
                    position.getRotationAnchor(), position.getAngle());
            ticks.add(tick);
            categoryIndex = categoryIndex + 1;
        }
    }
    state.setMax(max);
    return ticks;
}

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From source file:edu.jhuapl.graphs.jfreechart.utils.SparselyLabeledCategoryAxis.java

@SuppressWarnings("unchecked")
@Override/*from   www. ja va  2 s  . c om*/
public void drawTickMarks(Graphics2D g2, double cursor, Rectangle2D dataArea, RectangleEdge edge,
        AxisState state) {
    Plot p = getPlot();

    if (p == null) {
        return;
    }

    CategoryPlot plot = (CategoryPlot) p;
    double il = getTickMarkInsideLength();
    double ol = getTickMarkOutsideLength();
    Line2D line = new Line2D.Double();
    List categories = plot.getCategoriesForAxis(this);
    int tickEvery = categories.size() / (maxLabeledTicks == 0 ? 1 : maxLabeledTicks);

    if (tickEvery < 1) {
        tickEvery = 1;
    }

    if (edge.equals(RectangleEdge.TOP)) {
        Iterator iterator = categories.iterator();
        int i = 0;

        while (iterator.hasNext()) {
            Comparable key = (Comparable) iterator.next();

            if (i % tickEvery == 0) {
                double x = getCategoryMiddle(key, categories, dataArea, edge);
                g2.setPaint(getTickMarkPaint());
                g2.setStroke(getTickMarkStroke());
                line.setLine(x, cursor, x, cursor + il);
                g2.draw(line);
                line.setLine(x, cursor, x, cursor - ol);
                g2.draw(line);

                if (domainGridlinePaint != null) {
                    drawDomainGridline(g2, plot, dataArea, x);
                }
            }

            i++;
        }

        state.cursorUp(ol);
    } else if (edge.equals(RectangleEdge.BOTTOM)) {
        Iterator iterator = categories.iterator();
        int i = 0;

        while (iterator.hasNext()) {
            Comparable key = (Comparable) iterator.next();

            if (i % tickEvery == 0) {
                double x = getCategoryMiddle(key, categories, dataArea, edge);
                g2.setPaint(getTickMarkPaint());
                g2.setStroke(getTickMarkStroke());
                line.setLine(x, cursor, x, cursor - il);
                g2.draw(line);
                line.setLine(x, cursor, x, cursor + ol);
                g2.draw(line);

                if (domainGridlinePaint != null) {
                    drawDomainGridline(g2, plot, dataArea, x);
                }
            }

            i++;
        }

        state.cursorDown(ol);
    } else if (edge.equals(RectangleEdge.LEFT)) {
        Iterator iterator = categories.iterator();
        int i = 0;

        while (iterator.hasNext()) {
            Comparable key = (Comparable) iterator.next();

            if (i % tickEvery == 0) {
                double y = getCategoryMiddle(key, categories, dataArea, edge);
                g2.setPaint(getTickMarkPaint());
                g2.setStroke(getTickMarkStroke());
                line.setLine(cursor, y, cursor + il, y);
                g2.draw(line);
                line.setLine(cursor, y, cursor - ol, y);
                g2.draw(line);

                if (domainGridlinePaint != null) {
                    drawDomainGridline(g2, plot, dataArea, y);
                }
            }

            i++;
        }

        state.cursorLeft(ol);
    } else if (edge.equals(RectangleEdge.RIGHT)) {
        Iterator iterator = categories.iterator();
        int i = 0;

        while (iterator.hasNext()) {
            Comparable key = (Comparable) iterator.next();

            if (i % tickEvery == 0) {
                double y = getCategoryMiddle(key, categories, dataArea, edge);
                g2.setPaint(getTickMarkPaint());
                g2.setStroke(getTickMarkStroke());
                line.setLine(cursor, y, cursor - il, y);
                g2.draw(line);
                line.setLine(cursor, y, cursor + ol, y);
                g2.draw(line);

                if (domainGridlinePaint != null) {
                    drawDomainGridline(g2, plot, dataArea, y);
                }
            }

            i++;
        }

        state.cursorRight(ol);
    }
}

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