Examples of org.jfree.chart.block.BlockContainer

org.jfree.chart.block.BlockContainer
A container for a collection of {@link Block} objects. The container usesan {@link Arrangement} object to handle the position of each block.


    /**
     * Test arrangement with a fixed width and no height constraint.
     */
    public void testFN() {
        BlockContainer c = createTestContainer1();
        RectangleConstraint constraint = new RectangleConstraint(100.0, null,
                LengthConstraintType.FIXED, 0.0, null,
                LengthConstraintType.NONE);
        Size2D s = c.arrange(null, constraint);
        assertEquals(100.0, s.width, EPSILON);
        assertEquals(33.0, s.height, EPSILON);
    }

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    /**
     * Test arrangement with a fixed height and no width constraint.
     */
    public void testNF() {
        BlockContainer c = createTestContainer1();
        RectangleConstraint constraint = RectangleConstraint.NONE.toFixedHeight(
                100.0);
        Size2D s = c.arrange(null, constraint);
        assertEquals(90.0, s.width, EPSILON);
        assertEquals(100.0, s.height, EPSILON);
    }

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    /**
     * Test arrangement with a range for the width and a fixed height.
     */
    public void testRF() {
        BlockContainer c = createTestContainer1();
        RectangleConstraint constraint = new RectangleConstraint(new Range(40.0,
                60.0), 100.0);
        Size2D s = c.arrange(null, constraint);
        assertEquals(60.0, s.width, EPSILON);
        assertEquals(100.0, s.height, EPSILON);
    }

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    /**
     * Test arrangement with a range for the width and height.
     */
    public void testRR() {
        BlockContainer c = createTestContainer1();
        RectangleConstraint constraint = new RectangleConstraint(new Range(40.0,
                60.0), new Range(50.0, 70.0));
        Size2D s = c.arrange(null, constraint);
        assertEquals(60.0, s.width, EPSILON);
        assertEquals(50.0, s.height, EPSILON);
    }

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    /**
     * Test arrangement with a range for the width and no height constraint.
     */
    public void testRN() {
        BlockContainer c = createTestContainer1();
        RectangleConstraint constraint = RectangleConstraint.NONE.toRangeWidth(
                new Range(40.0, 60.0));
        Size2D s = c.arrange(null, constraint);
        assertEquals(60.0, s.width, EPSILON);
        assertEquals(33.0, s.height, EPSILON);
    }

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    /**
     * Test arrangement with a range for the height and no width constraint.
     */
    public void testNR() {
        BlockContainer c = createTestContainer1();
        RectangleConstraint constraint = RectangleConstraint.NONE.toRangeHeight(
                new Range(40.0, 60.0));
        Size2D s = c.arrange(null, constraint);
        assertEquals(90.0, s.width, EPSILON);
        assertEquals(40.0, s.height, EPSILON);
    }

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    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 null blocks in the layout.
     */
    public void testNullBlock_FF() {
        BlockContainer c = new BlockContainer(new GridArrangement(1, 1));
        c.add(null);
        Size2D s = c.arrange(null, new RectangleConstraint(20, 10));
        assertEquals(20.0, s.getWidth(), EPSILON);
        assertEquals(10.0, s.getHeight(), EPSILON);
    }

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    /**
     * The arrangement should be able to handle null blocks in the layout.
     */
    public void testNullBlock_FN() {
        BlockContainer c = new BlockContainer(new GridArrangement(1, 1));
        c.add(null);
        Size2D s = c.arrange(null, RectangleConstraint.NONE.toFixedWidth(10));
        assertEquals(10.0, s.getWidth(), EPSILON);
        assertEquals(0.0, s.getHeight(), EPSILON);
    }

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    /**
     * The arrangement should be able to handle null blocks in the layout.
     */
    public void testNullBlock_FR() {
        BlockContainer c = new BlockContainer(new GridArrangement(1, 1));
        c.add(null);
        Size2D s = c.arrange(null, new RectangleConstraint(30.0, new Range(5.0,
                10.0)));
        assertEquals(30.0, s.getWidth(), EPSILON);
        assertEquals(5.0, s.getHeight(), EPSILON);
    }

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