Examples of org.jfree.chart.entity.StandardEntityCollection

org.jfree.chart.entity.StandardEntityCollection
A standard implementation of the {@link EntityCollection} interface.

                 || position == RectangleEdge.RIGHT) {
            drawVertical(g2, area);
        }
        BlockResult result = new BlockResult();
        if (entity != null) {
            StandardEntityCollection sec = new StandardEntityCollection();
            sec.add(entity);
            result.setEntityCollection(sec);
        }
        return result;
    }

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    /**
     * Constructs a new ChartRenderingInfo structure that can be used to 
     * collect information about the dimensions of a rendered chart.
     */
    public ChartRenderingInfo() {
        this(new StandardEntityCollection());
    }

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        area = trimBorder(area);
        area = trimPadding(area);
        
        // check if we need to collect chart entities from the container
        EntityBlockParams ebp = null;
        StandardEntityCollection sec = null;
        Shape entityArea = null;
        if (params instanceof EntityBlockParams) {
            ebp = (EntityBlockParams) params;
            if (ebp.getGenerateEntities()) {
                sec = new StandardEntityCollection();
                // TODO:  this transformation doesn't work always.  Fix!
                entityArea = g2.getTransform().createTransformedShape(area);
            }
        }
        g2.setPaint(this.paint);
        g2.setFont(this.font);
        this.label.draw(
            g2, (float) area.getX(), (float) area.getY(), 
            TextBlockAnchor.TOP_LEFT
        );
        BlockResult result = null;
        if (ebp != null && sec != null) {
            if (this.toolTipText != null || this.urlText != null) {
                ChartEntity entity = new ChartEntity(
                    entityArea, this.toolTipText, this.urlText
                );   
                sec.add(entity);
                result = new BlockResult();
                result.setEntityCollection(sec);
            }
        }
        return result;

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     * @return An instance of {@link EntityBlockResult}, or <code>null</code>.
     */
    public Object draw(Graphics2D g2, Rectangle2D area, Object params) {
        // 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);
        AffineTransform saved = g2.getTransform();
        g2.translate(contentArea.getX(), contentArea.getY());
        Iterator iterator = this.blocks.iterator();
        while (iterator.hasNext()) {
            Block block = (Block) iterator.next();
            Object r = block.draw(g2, block.getBounds(), params);
            if (sec != null) {
                if (r instanceof EntityBlockResult) {
                    EntityBlockResult ebr = (EntityBlockResult) r;
                    EntityCollection ec = ebr.getEntityCollection();
                    sec.addAll(ec);
                }
            }
        }
        g2.setTransform(saved);
        BlockResult result = null;

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    public void testEquals() {
        PieSectionEntity e1 = new PieSectionEntity(
            new Rectangle2D.Double(1.0, 2.0, 3.0, 4.0), new DefaultPieDataset(),
            0, 1, "Key", "ToolTip", "URL"
        );
        StandardEntityCollection c1 = new StandardEntityCollection();
        c1.add(e1);


        PieSectionEntity e2 = new PieSectionEntity(
            new Rectangle2D.Double(1.0, 2.0, 3.0, 4.0), new DefaultPieDataset(),
            0, 1, "Key", "ToolTip", "URL"
        );
        StandardEntityCollection c2 = new StandardEntityCollection();
        c2.add(e2);
        assertTrue(c1.equals(c2));        
    }

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    public void testCloning() {
        PieSectionEntity e1 = new PieSectionEntity(
            new Rectangle2D.Double(1.0, 2.0, 3.0, 4.0), new DefaultPieDataset(),
            0, 1, "Key", "ToolTip", "URL"
        );
        StandardEntityCollection c1 = new StandardEntityCollection();
        c1.add(e1);
        StandardEntityCollection c2 = null;
        try {
            c2 = (StandardEntityCollection) c1.clone();
        }
        catch (CloneNotSupportedException e) {
            System.err.println("Failed to clone.");
        }
        assertTrue(c1 != c2);
        assertTrue(c1.getClass() == c2.getClass());
        assertTrue(c1.equals(c2));
    }

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    public void testSerialization() {
        PieSectionEntity e1 = new PieSectionEntity(
            new Rectangle2D.Double(1.0, 2.0, 3.0, 4.0), new DefaultPieDataset(),
            0, 1, "Key", "ToolTip", "URL"
        );
        StandardEntityCollection c1 = new StandardEntityCollection();
        c1.add(e1);
        StandardEntityCollection c2 = null;
        try {
            ByteArrayOutputStream buffer = new ByteArrayOutputStream();
            ObjectOutput out = new ObjectOutputStream(buffer);
            out.writeObject(c1);
            out.close();

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