Example usage for org.jfree.chart.block BlockResult setEntityCollection

Introduction

In this page you can find the example usage for org.jfree.chart.block BlockResult setEntityCollection.

Prototype

public void setEntityCollection(EntityCollection entities) 

Source Link

Document

Sets the entities for the block.

Usage

From source file:gda.plots.SimpleLegendGraphic.java

/**
 * Overrides the super class method but is the same except that it creates a SimpleLegendEntity for itself and then
 * returns a non-null BlockResult containing the entity.
 * /*from  www.ja  v  a2 s . co  m*/
 * @param g2
 *            the Graphics2D to use
 * @param area
 *            the area to draw in
 * @param params
 *            ignored
 * @return a BlockResult containing a StandardEntityCollection containing the SimpleLegendEntity
 */
@Override
public Object draw(Graphics2D g2, Rectangle2D area, Object params) {

    draw(g2, area);

    ChartEntity entity = null;
    // This was written by looking at what happens in LabelBlock's draw
    // method. The area has to be transformed into the actual coordinates
    // of the overall ChartPanel for the MouseEvents to work properly.
    entity = new SimpleLegendEntity(g2.getTransform().createTransformedShape(area), sxys.getName(), null, sxys);

    BlockResult result = new BlockResult();
    StandardEntityCollection sec = new StandardEntityCollection();
    sec.add(entity);
    result.setEntityCollection(sec);
    return result;
}

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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.//  w w  w . j a  v  a2 s .c  om
 */
@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:gda.plots.SimpleLegendLabelBlock.java

/**
 * Overrides super class method to provide a BlockResult which contains a SimpleLegendEntity instead of an ordinary
 * ChartEntity.//w  ww .  jav  a 2  s . c o  m
 * 
 * @param g2
 *            the Graphics to use
 * @param area
 *            the area to draw in
 * @param params
 *            ignored
 * @return a BlockResult containing the SimpleLegendEntity
 */
@Override
public Object draw(Graphics2D g2, Rectangle2D area, Object params) {
    // It was impossible to reuse the super class code because of
    // private fields with no accessor methods. So run the method
    // then replace the EntityCollection with one containing a
    // SimpleLegendEntity. The super class method may return null
    // (e.g. when being drawn for printing). If it does then we
    // should too.
    BlockResult result = (BlockResult) super.draw(g2, area, params);
    if (result != null) {
        StandardEntityCollection sec = new StandardEntityCollection();
        ChartEntity ce = result.getEntityCollection().getEntity(0);
        sec.add(new SimpleLegendEntity(ce, sxys));
        result.setEntityCollection(sec);
    }
    return result;
}

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