Examples of org.jfree.chart.block.Block

org.jfree.chart.block.Block
A block is an arbitrary item that can be drawn (in Java2D space) within a rectangular area, has a preferred size, and can be arranged by an {@link Arrangement} manager.

            CompositeTitle ct = (CompositeTitle) title;
            BlockContainer bc = ct.getContainer();
            List blocks = bc.getBlocks();
            Iterator iterator = blocks.iterator();
            while (iterator.hasNext()) {
                Block b = (Block) iterator.next();
                if (b instanceof Title) {
                    applyToTitle((Title) b);
                }
            }
        }

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     * @param bc  a block container (<code>null</code> not permitted).
     */
    protected void applyToBlockContainer(BlockContainer bc) {
        Iterator iterator = bc.getBlocks().iterator();
        while (iterator.hasNext()) {
            Block b = (Block) iterator.next();
            applyToBlock(b);
        }
    }

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            CompositeTitle ct = (CompositeTitle) title;
            BlockContainer bc = ct.getContainer();
            List blocks = bc.getBlocks();
            Iterator iterator = blocks.iterator();
            while (iterator.hasNext()) {
                Block b = (Block) iterator.next();
                if (b instanceof Title) {
                    applyToTitle((Title) b);
                }
            }
        }

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     * @param bc  a block container (<code>null</code> not permitted).
     */
    protected void applyToBlockContainer(BlockContainer bc) {
        Iterator iterator = bc.getBlocks().iterator();
        while (iterator.hasNext()) {
            Block b = (Block) iterator.next();
            applyToBlock(b);
        }
    }

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        for (int s = 0; s < this.sources.length; s++) {
            LegendItemCollection legendItems = this.sources[s].getLegendItems();
            if (legendItems != null) {
                for (int i = 0; i < legendItems.getItemCount(); i++) {
                    LegendItem item = legendItems.get(i);
                    Block block = createLegendItemBlock(item);
                    this.items.add(block);
                }
            }
        }
    }

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        assertEquals(22.3, size.width, EPSILON);
        assertEquals(45.6, size.height, EPSILON);


        // try case where right item is shorter than center item
        container.clear();
        Block rb = new EmptyBlock(12.3, 15.6);
        container.add(new EmptyBlock(10.0, 20.0));
        container.add(rb, RectangleEdge.RIGHT);
        size = container.arrange(g2);
        assertEquals(22.3, size.width, EPSILON);
        assertEquals(20.0, size.height, EPSILON);
        assertEquals(20.0, rb.getBounds().getHeight(), EPSILON);


        // TBLRC
        // 00100 - left item only
        container.clear();
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.LEFT);
        size = container.arrange(g2);
        assertEquals(12.3, size.width, EPSILON);
        assertEquals(45.6, size.height, EPSILON);


        // TBLRC
        // 00101 - left and center items
        container.clear();
        container.add(new EmptyBlock(10.0, 20.0));
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.LEFT);
        size = container.arrange(g2);
        assertEquals(22.3, size.width, EPSILON);
        assertEquals(45.6, size.height, EPSILON);


        // try case where left item is shorter than center item
        container.clear();
        Block lb = new EmptyBlock(12.3, 15.6);
        container.add(new EmptyBlock(10.0, 20.0));
        container.add(lb, RectangleEdge.LEFT);
        size = container.arrange(g2);
        assertEquals(22.3, size.width, EPSILON);
        assertEquals(20.0, size.height, EPSILON);
        assertEquals(20.0, lb.getBounds().getHeight(), EPSILON);


        // TBLRC
        // 00110 - left and right items
        container.clear();
        container.add(new EmptyBlock(10.0, 20.0), RectangleEdge.RIGHT);

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        assertEquals(90.0, s.width, EPSILON);
        assertEquals(40.0, s.height, EPSILON);
    }


    private BlockContainer createTestContainer1() {
        Block b1 = new EmptyBlock(10, 11);
        Block b2 = new EmptyBlock(20, 22);
        Block b3 = new EmptyBlock(30, 33);
        BlockContainer result = new BlockContainer(new GridArrangement(1, 3));
        result.add(b1);
        result.add(b2);
        result.add(b3);
        return result;

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    /**
     * The arrangement should be able to handle less blocks than grid spaces.
     */
    public void testGridNotFull_FF() {
        Block b1 = new EmptyBlock(5, 5);
        BlockContainer c = new BlockContainer(new GridArrangement(2, 3));
        c.add(b1);
        Size2D s = c.arrange(null, new RectangleConstraint(200, 100));
        assertEquals(200.0, s.getWidth(), EPSILON);
        assertEquals(100.0, s.getHeight(), EPSILON);

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    /**
     * The arrangement should be able to handle less blocks than grid spaces.
     */
    public void testGridNotFull_FN() {
        Block b1 = new EmptyBlock(5, 5);
        BlockContainer c = new BlockContainer(new GridArrangement(2, 3));
        c.add(b1);
        Size2D s = c.arrange(null, RectangleConstraint.NONE.toFixedWidth(30.0));
        assertEquals(30.0, s.getWidth(), EPSILON);
        assertEquals(10.0, s.getHeight(), EPSILON);

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    /**
     * The arrangement should be able to handle less blocks than grid spaces.
     */
    public void testGridNotFull_FR() {
        Block b1 = new EmptyBlock(5, 5);
        BlockContainer c = new BlockContainer(new GridArrangement(2, 3));
        c.add(b1);
        Size2D s = c.arrange(null, new RectangleConstraint(30.0, new Range(5.0,
                10.0)));
        assertEquals(30.0, s.getWidth(), EPSILON);

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Related Classes of org.jfree.chart.block.Block

org.jfree.chart.block.junit.BorderArrangementTests

org.jfree.chart.block.junit.GridArrangementTests

org.jfree.chart.StandardChartTheme

org.jfree.chart.title.LegendTitle

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