Example usage for org.jfree.chart.entity CategoryLabelEntity CategoryLabelEntity

Introduction

In this page you can find the example usage for org.jfree.chart.entity CategoryLabelEntity CategoryLabelEntity.

Prototype

public CategoryLabelEntity(Comparable key, Shape area, String toolTipText, String urlText) 

Source Link

Document

Creates a new entity.

Usage

From source file:hudson.util.NoOverlapCategoryAxis.java

@Override
protected AxisState drawCategoryLabels(Graphics2D g2, Rectangle2D plotArea, Rectangle2D dataArea,
        RectangleEdge edge, AxisState state, PlotRenderingInfo plotState) {

    if (state == null) {
        throw new IllegalArgumentException("Null 'state' argument.");
    }/*from  www .  ja va 2  s .  co  m*/

    if (isTickLabelsVisible()) {
        java.util.List ticks = refreshTicks(g2, state, plotArea, edge);
        state.setTicks(ticks);

        // remember the last drawn label so that we can avoid drawing overlapping labels.
        Rectangle2D r = null;

        int categoryIndex = 0;
        Iterator iterator = ticks.iterator();
        while (iterator.hasNext()) {

            CategoryTick tick = (CategoryTick) iterator.next();
            g2.setFont(getTickLabelFont(tick.getCategory()));
            g2.setPaint(getTickLabelPaint(tick.getCategory()));

            CategoryLabelPosition position = this.getCategoryLabelPositions().getLabelPosition(edge);
            double x0 = 0.0;
            double x1 = 0.0;
            double y0 = 0.0;
            double y1 = 0.0;
            if (edge == RectangleEdge.TOP) {
                x0 = getCategoryStart(categoryIndex, ticks.size(), dataArea, edge);
                x1 = getCategoryEnd(categoryIndex, ticks.size(), dataArea, edge);
                y1 = state.getCursor() - this.getCategoryLabelPositionOffset();
                y0 = y1 - state.getMax();
            } else if (edge == RectangleEdge.BOTTOM) {
                x0 = getCategoryStart(categoryIndex, ticks.size(), dataArea, edge);
                x1 = getCategoryEnd(categoryIndex, ticks.size(), dataArea, edge);
                y0 = state.getCursor() + this.getCategoryLabelPositionOffset();
                y1 = y0 + state.getMax();
            } else if (edge == RectangleEdge.LEFT) {
                y0 = getCategoryStart(categoryIndex, ticks.size(), dataArea, edge);
                y1 = getCategoryEnd(categoryIndex, ticks.size(), dataArea, edge);
                x1 = state.getCursor() - this.getCategoryLabelPositionOffset();
                x0 = x1 - state.getMax();
            } else if (edge == RectangleEdge.RIGHT) {
                y0 = getCategoryStart(categoryIndex, ticks.size(), dataArea, edge);
                y1 = getCategoryEnd(categoryIndex, ticks.size(), dataArea, edge);
                x0 = state.getCursor() + this.getCategoryLabelPositionOffset();
                x1 = x0 - state.getMax();
            }
            Rectangle2D area = new Rectangle2D.Double(x0, y0, (x1 - x0), (y1 - y0));
            if (r == null || !r.intersects(area)) {
                Point2D anchorPoint = RectangleAnchor.coordinates(area, position.getCategoryAnchor());
                TextBlock block = tick.getLabel();
                block.draw(g2, (float) anchorPoint.getX(), (float) anchorPoint.getY(),
                        position.getLabelAnchor(), (float) anchorPoint.getX(), (float) anchorPoint.getY(),
                        position.getAngle());
                Shape bounds = block.calculateBounds(g2, (float) anchorPoint.getX(), (float) anchorPoint.getY(),
                        position.getLabelAnchor(), (float) anchorPoint.getX(), (float) anchorPoint.getY(),
                        position.getAngle());
                if (plotState != null && plotState.getOwner() != null) {
                    EntityCollection entities = plotState.getOwner().getEntityCollection();
                    if (entities != null) {
                        String tooltip = getCategoryLabelToolTip(tick.getCategory());
                        entities.add(new CategoryLabelEntity(tick.getCategory(), bounds, tooltip, null));
                    }
                }
                r = bounds.getBounds2D();
            }

            categoryIndex++;
        }

        if (edge.equals(RectangleEdge.TOP)) {
            double h = state.getMax();
            state.cursorUp(h);
        } else if (edge.equals(RectangleEdge.BOTTOM)) {
            double h = state.getMax();
            state.cursorDown(h);
        } else if (edge == RectangleEdge.LEFT) {
            double w = state.getMax();
            state.cursorLeft(w);
        } else if (edge == RectangleEdge.RIGHT) {
            double w = state.getMax();
            state.cursorRight(w);
        }
    }
    return state;
}

---