Example usage for org.jfree.chart.block Block setBounds

Introduction

In this page you can find the example usage for org.jfree.chart.block Block setBounds.

Prototype

public void setBounds(Rectangle2D bounds);

Source Link

Document

Sets the bounds of the block.

Usage

From source file:com.hmsinc.epicenter.webapp.chart.SNColumnArrangement.java

/**
 * Calculates and sets the bounds of all the items in the specified
 * container, subject to the given constraint. The <code>Graphics2D</code>
 * can be used by some items (particularly items containing text) to
 * calculate sizing parameters.//from  www  .  jav  a  2s . co m
 * 
 * @param container
 *            the container whose items are being arranged.
 * @param g2
 *            the graphics device.
 * @param constraint
 *            the size constraint.
 * 
 * @return The size of the container after arrangement of the contents.
 */
@SuppressWarnings("unchecked")
public Size2D arrange(BlockContainer container, Graphics2D g2, RectangleConstraint constraint) {
    List<Block> blocks = container.getBlocks();

    // calculate max width of entries
    double maxWidth = 0.0;
    double maxHeight = 0.0;
    for (Block block : blocks) {
        Size2D size = block.arrange(g2, RectangleConstraint.NONE);
        maxWidth = Math.max(maxWidth, size.width + this.horizontalGap);
        maxHeight = Math.max(maxHeight, size.height + this.verticalGap);
    }

    // calculate number of columns
    double width = 0.0;
    if (constraint.getWidthConstraintType() == LengthConstraintType.FIXED) {
        width = constraint.getWidth();
    } else if (constraint.getWidthConstraintType() == LengthConstraintType.RANGE) {
        Range range = constraint.getWidthRange();
        width = range.getUpperBound();
    } else {
        throw new RuntimeException("Not implemented.");
    }

    int columns = (int) (Math.floor(width / maxWidth));
    if (columns > 0) {
        columns--;
    }

    // for all columns
    int colx = -1;
    int coly = 0;
    for (Block block : blocks) {
        Size2D size = block.arrange(g2, RectangleConstraint.NONE);
        if (colx < columns) {
            colx++;
        } else {
            colx = 0;
            coly++;
        }
        double x = colx * maxWidth;
        double y = coly * maxHeight;
        block.setBounds(new Rectangle2D.Double(x, y, size.width, size.height));
    }

    // calculate size of bounding
    double bWidth = (coly == 0) ? (colx + 1) * maxWidth : (columns + 1) * maxWidth;
    double bHeight = (coly + 1) * maxHeight;
    return new Size2D(bWidth, bHeight);
}

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