Examples of gov.nasa.arc.mct.gui.impl.HidableTabbedPane

gov.nasa.arc.mct.gui.impl.HidableTabbedPane
A tabbed pane that hides the tabs when there is only one tab. Since JTabbedPane always shows the tabs, we implement a JPanel instead, with two possible Components inside: either the component that would be shown in the first tab, or an actual JTabbedPane with all components and tab titles. We implement a portion of the JTabbedPane protocol, intended to be the most useful methods.


public class TestHidableTabbedPane {


    @Test
    public void testInstantiation() {
        HidableTabbedPane h;


        h = new HidableTabbedPane();
        assertNotNull(h);
        assertEquals(h.getTabCount(), 0);


        JLabel one = new JLabel("One");
        h = new HidableTabbedPane("Tab One", one);
        assertNotNull(h);
        assertEquals(h.getTabCount(), 1);
        assertEquals(h.getComponentAt(0), one);
        assertNull(h.getTabComponentAt(0)); // No special tab component


        JLabel two = new JLabel("Two");
        h.addTab("Tab Two", two);
        assertEquals(h.getComponentAt(1), two);
        assertNull(h.getTabComponentAt(1));


        JLabel tabLabel = new JLabel("Label Two");
        h.setTabComponentAt(1, tabLabel);
        assertEquals(h.getTabComponentAt(1), tabLabel);
    }

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        h.setTabComponentAt(1, tabLabel);
        assertEquals(h.getTabComponentAt(1), tabLabel);
    }


    @Test public void testComponents() {
        HidableTabbedPane h;


        JLabel one = new JLabel("One");
        h = new HidableTabbedPane("Tab One", one);
        assertEquals(h.getComponentAt(0), one);


        h.setComponentAt(0, null);
        assertNull(h.getComponentAt(0));


        JLabel onePrime = new JLabel("One Prime");
        h.setComponentAt(0, onePrime);
        assertEquals(h.getComponentAt(0), onePrime);


        JLabel two = new JLabel("Two");
        h.addTab("Tab Two", two);
        assertEquals(h.getComponentAt(1), two);


        JLabel twoPrime = new JLabel("One Prime");
        h.setComponentAt(1, twoPrime);
        assertEquals(h.getComponentAt(1), twoPrime);


        h.setComponentAt(0, one);
        assertEquals(h.getComponentAt(0), one);
    }

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        assertEquals(h.getComponentAt(0), one);
    }


    @Test
    public void testGetSelectedIndex() {
        HidableTabbedPane h;


        h = new HidableTabbedPane();
        assertEquals(h.getSelectedIndex(), 0);


        JLabel one = new JLabel("One");
        h.addTab("Tab Two", one);
        assertEquals(h.getSelectedIndex(), 0);


        JLabel two = new JLabel("Two");
        h.addTab("Tab Two", two);
        assertEquals(h.getSelectedIndex(), 0);


        h.setSelectedIndex(1);
        assertEquals(h.getSelectedIndex(), 1);
    }

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        assertEquals(h.getSelectedIndex(), 1);
    }


    @Test
    public void testSetValidIndex() {
        HidableTabbedPane h;


        JLabel one = new JLabel("One");
        h = new HidableTabbedPane("Tab One", one);
        h.setSelectedIndex(0);
        assertEquals(h.getSelectedIndex(), 0);


        JLabel two = new JLabel("Two");
        h.addTab("Tab Two", two);
        h.setSelectedIndex(1);
        assertEquals(h.getSelectedIndex(), 1);
    }

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    }


    @Test(expectedExceptions={IndexOutOfBoundsException.class})
    public void testIndexTooLow() {
        JLabel one = new JLabel("One");
        HidableTabbedPane h = new HidableTabbedPane("Tab One", one);
        h.setSelectedIndex(-2);
    }

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    }


    @Test(expectedExceptions={IndexOutOfBoundsException.class})
    public void testIndexTooHigh() {
        JLabel one = new JLabel("One");
        HidableTabbedPane h = new HidableTabbedPane("Tab One", one);
        h.setSelectedIndex(1);
    }

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        h.setSelectedIndex(1);
    }
    
    @Test
    public void testRemoveTabAt() throws Exception {
        HidableTabbedPane h;


        JLabel one = new JLabel("One");
        JLabel two = new JLabel("Two");
        JLabel three = new JLabel("Three");
        JLabel four = new JLabel("Three");
        h = new HidableTabbedPane("Tab One", one);
        h.addTab("Tab Two", two);
        h.addTab("Tab Three", three);
        h.addTab("Tab Four", four);
        assertEquals(h.getTabCount(), 4);
        assertEquals(h.getComponentAt(0), one);
        assertEquals(h.getComponentAt(1), two);
        assertEquals(h.getComponentAt(2), three);
        assertEquals(h.getComponentAt(3), four);


        h.removeTabAt(2);
        assertEquals(h.getTabCount(), 3);
        assertEquals(h.getComponentAt(0), one);
        assertEquals(h.getComponentAt(1), two);
        assertEquals(h.getComponentAt(2), four);


        h.removeTabAt(0);
        assertEquals(h.getTabCount(), 2);
        assertEquals(h.getComponentAt(0), two);
        assertEquals(h.getComponentAt(1), four);
        
        h.removeTabAt(0);
        assertEquals(h.getTabCount(), 1);
        assertEquals(h.getComponentAt(0), four);
        
        // Remove the last tab.
        h.removeTabAt(0);
        assertEquals(h.getTabCount(), 0);
    }

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    @Test
    public void testListener() throws Exception {
        final TestUtilities.Value v = new TestUtilities.Value(false);
        
        HidableTabbedPane h;


        JLabel one = new JLabel("One");
        JLabel two = new JLabel("Two");
        JLabel three = new JLabel("Three");
        JLabel four = new JLabel("Three");
        h = new HidableTabbedPane("Tab One", one);
        h.addTab("Tab Two", two);
        h.addTab("Tab Three", three);
        h.addTab("Tab Four", four);
        
        h.addChangeListener(new ChangeListener() {
            @Override
            public void stateChanged(ChangeEvent e) {
                v.setValue(true);
            }
        });
        
        h.setSelectedIndex(1);
        
        assertTrue(v.getValue(), "Tab change listener called");
    }

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gov.nasa.arc.mct.gui.impl.TestHidableTabbedPane

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