Example usage for org.jfree.chart.block EntityBlockResult getEntityCollection

Introduction

In this page you can find the example usage for org.jfree.chart.block EntityBlockResult getEntityCollection.

Prototype

public EntityCollection getEntityCollection();

Source Link

Document

Returns the entity collection.

Usage

From source file:com.rapidminer.gui.new_plotter.engine.jfreechart.legend.ColoredBlockContainer.java

/**
 * Disclaimer: this is a "works for me" implementation, and probably only works as long as the
 * items are arranged horizontally in exactly one line, since it brutally enforces the items to
 * be aligned vertically centered./*from   ww w.  ja v  a 2s  .c o m*/
 */
@Override
public Object draw(Graphics2D g2, Rectangle2D area, Object params) {
    area = drawFill(g2, area);

    // check if we need to collect chart entities from the container
    EntityBlockParams ebp = null;
    StandardEntityCollection sec = null;
    if (params instanceof EntityBlockParams) {
        ebp = (EntityBlockParams) params;
        if (ebp.getGenerateEntities()) {
            sec = new StandardEntityCollection();
        }
    }
    Rectangle2D contentArea = (Rectangle2D) area.clone();
    contentArea = trimMargin(contentArea);
    drawBorder(g2, contentArea);
    contentArea = trimBorder(contentArea);
    contentArea = trimPadding(contentArea);
    Iterator iterator = getBlocks().iterator();
    while (iterator.hasNext()) {
        Block block = (Block) iterator.next();
        Rectangle2D bounds = block.getBounds();

        // enforce vertically centered alignment
        double y = area.getY() + (area.getHeight() - bounds.getHeight()) / 2.0;

        Rectangle2D drawArea = new Rectangle2D.Double(bounds.getX() + area.getX(), y, bounds.getWidth(),
                bounds.getHeight());
        Object r = block.draw(g2, drawArea, params);
        if (sec != null) {
            if (r instanceof EntityBlockResult) {
                EntityBlockResult ebr = (EntityBlockResult) r;
                EntityCollection ec = ebr.getEntityCollection();
                sec.addAll(ec);
            }
        }
    }
    BlockResult result = null;
    if (sec != null) {
        result = new BlockResult();
        result.setEntityCollection(sec);
    }
    return result;
}

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From source file:org.jfree.experimental.chart.annotations.XYTitleAnnotation.java

/**
 * Draws the annotation.  This method is called by the drawing code in the 
 * {@link XYPlot} class, you don't normally need to call this method 
 * directly.//from w  w  w .  j  a  v a  2  s .c o  m
 *
 * @param g2  the graphics device.
 * @param plot  the plot.
 * @param dataArea  the data area.
 * @param domainAxis  the domain axis.
 * @param rangeAxis  the range axis.
 * @param rendererIndex  the renderer index.
 * @param info  if supplied, this info object will be populated with
 *              entity information.
 */
public void draw(Graphics2D g2, XYPlot plot, Rectangle2D dataArea, ValueAxis domainAxis, ValueAxis rangeAxis,
        int rendererIndex, PlotRenderingInfo info) {

    PlotOrientation orientation = plot.getOrientation();
    AxisLocation domainAxisLocation = plot.getDomainAxisLocation();
    AxisLocation rangeAxisLocation = plot.getRangeAxisLocation();
    RectangleEdge domainEdge = Plot.resolveDomainAxisLocation(domainAxisLocation, orientation);
    RectangleEdge rangeEdge = Plot.resolveRangeAxisLocation(rangeAxisLocation, orientation);
    Range xRange = domainAxis.getRange();
    Range yRange = rangeAxis.getRange();
    double anchorX = 0.0;
    double anchorY = 0.0;
    if (this.coordinateType == XYCoordinateType.RELATIVE) {
        anchorX = xRange.getLowerBound() + (this.x * xRange.getLength());
        anchorY = yRange.getLowerBound() + (this.y * yRange.getLength());
    } else {
        anchorX = domainAxis.valueToJava2D(this.x, dataArea, domainEdge);
        anchorY = rangeAxis.valueToJava2D(this.y, dataArea, rangeEdge);
    }

    float j2DX = (float) domainAxis.valueToJava2D(anchorX, dataArea, domainEdge);
    float j2DY = (float) rangeAxis.valueToJava2D(anchorY, dataArea, rangeEdge);
    float xx = 0.0f;
    float yy = 0.0f;
    if (orientation == PlotOrientation.HORIZONTAL) {
        xx = j2DY;
        yy = j2DX;
    } else if (orientation == PlotOrientation.VERTICAL) {
        xx = j2DX;
        yy = j2DY;
    }

    double maxW = dataArea.getWidth();
    double maxH = dataArea.getHeight();
    if (this.coordinateType == XYCoordinateType.RELATIVE) {
        if (this.maxWidth > 0.0) {
            maxW = maxW * this.maxWidth;
        }
        if (this.maxHeight > 0.0) {
            maxH = maxH * this.maxHeight;
        }
    }
    if (this.coordinateType == XYCoordinateType.DATA) {
        maxW = this.maxWidth;
        maxH = this.maxHeight;
    }
    RectangleConstraint rc = new RectangleConstraint(new Range(0, maxW), new Range(0, maxH));

    Size2D size = this.title.arrange(g2, rc);
    Rectangle2D titleRect = new Rectangle2D.Double(0, 0, size.width, size.height);
    Point2D anchorPoint = RectangleAnchor.coordinates(titleRect, this.anchor);
    xx = xx - (float) anchorPoint.getX();
    yy = yy - (float) anchorPoint.getY();
    titleRect.setRect(xx, yy, titleRect.getWidth(), titleRect.getHeight());
    BlockParams p = new BlockParams();
    if (info != null) {
        if (info.getOwner().getEntityCollection() != null) {
            p.setGenerateEntities(true);
        }
    }
    Object result = this.title.draw(g2, titleRect, p);
    if (result instanceof EntityBlockResult) {
        EntityBlockResult ebr = (EntityBlockResult) result;
        info.getOwner().getEntityCollection().addAll(ebr.getEntityCollection());
    }
    String toolTip = getToolTipText();
    String url = getURL();
    if (toolTip != null || url != null) {
        addEntity(info, new Rectangle2D.Float(xx, yy, (float) size.width, (float) size.height), rendererIndex,
                toolTip, url);
    }
}

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