Java JXTable.getColumnExt方法代碼示例

import org.jdesktop.swingx.JXTable; //導入方法依賴的package包/類
/**
 * Issue #192: initially invisibility columns are hidden but marked as
 * visible in control.
 * 
 * Issue #38 (swingx): initially invisble columns don't show up in the
 * column control list.
 * 
 * Visual check: first enable column control then set column invisible.
 * 
 */
public void interactiveTestColumnControlInvisibleColumns() {
    final JXTable table = new JXTable(new AncientSwingTeam());
    table.setColumnControlVisible(true);
    final TableColumnExt firstNameColumn = table.getColumnExt("First Name");
    firstNameColumn.setVisible(false);
    JXFrame frame = wrapWithScrollingInFrame(
            table,
            "ColumnControl (#192, #38-swingx) first enable ColumnControl then column invisible");
    Action toggleHideable = new AbstractActionExt(
            "toggle hideable first Name") {

        @Override
        public void actionPerformed(ActionEvent e) {
            firstNameColumn.setHideable(!firstNameColumn.isHideable());

        }
    };
    addAction(frame, toggleHideable);
    show(frame);
}
 

import org.jdesktop.swingx.JXTable; //導入方法依賴的package包/類
/**
 * Issue #212: programmatically toggle column vis does not work.
 * 
 * Visual check: compare toggle column visibility both via the columnControl
 * and programmatically by button. While the columnControl prevents to hide
 * the very last visible column, developers have full control to do so
 * programatically.
 * 
 * 
 */
public void interactiveTestColumnControlSetModelToggleInvisibleColumns() {
    final JXTable table = new JXTable();
    table.setColumnControlVisible(true);
    JXFrame frame = wrapWithScrollingInFrame(table,
            "ColumnControl (#212-swingx) setModel and toggle first column invisible");
    frame.setVisible(true);
    table.setModel(new DefaultTableModel(10, 2));
    final TableColumnExt firstNameColumn = table.getColumnExt(1);
    Action action = new AbstractAction("Toggle first name visibility") {

        @Override
        public void actionPerformed(ActionEvent e) {
            firstNameColumn.setVisible(!firstNameColumn.isVisible());

        }

    };
    addAction(frame, action);
}
 

import org.jdesktop.swingx.JXTable; //導入方法依賴的package包/類
/**
 * test that the actions synch's its own selected property with 
 * the column's visible property. <p>
 * 
 * Looks as if the non-synch of action.setSelected only shows 
 * if the ColumnControlPopup doesn't create a menuitem via ActionFactory: the
 * listeners internally installed via ActionFactory probably take care?
 *  <p>
 * 
 * An analogous test in the incubator (in kleopatra/.../table) did fail
 * for a dialog based custom ColumnControlPopup. For now, changed the visibility
 * action to explicitly update the tableColumn. All tests are passing,
 * but need to further evaluate.
 *
 */
@Test
public void testColumnVisibilityAction() {
    JXTable table = new JXTable(10, 3);
    table.setColumnControlVisible(true);
    ColumnControlButton columnControl = (ColumnControlButton) table.getColumnControl();
    ColumnVisibilityAction action = columnControl.getColumnVisibilityActions().get(0);
    TableColumnExt columnExt = table.getColumnExt(0);
    boolean visible = columnExt.isVisible();
    // sanity
    assertTrue(visible);
    assertEquals(columnExt.isVisible(), action.isSelected());
    action.setSelected(!visible);
    // hmmm... here it's working? unexpected
    // synch might be done by the listener's installed by ActionFactor.createMenuItem()?
    assertEquals(!visible, columnExt.isVisible());
}
 

import org.jdesktop.swingx.JXTable; //導入方法依賴的package包/類
@Test
public void testColumnControlReleaseAction() {
    final JXTable table = new JXTable(sortableTableModel);
    final TableColumnExt priorityColumn = table.getColumnExt("First Name");
    int listenerCount = priorityColumn.getPropertyChangeListeners().length;
    table.setColumnControlVisible(true);
    // JW: the columnControlButton is created lazily, so we
    // have to access to test if listeners are registered.
    table.getColumnControl();
    assertEquals("numbers of listeners must be increased", listenerCount + 1, 
            priorityColumn.getPropertyChangeListeners().length);
    int totalColumnCount = table.getColumnCount();
    table.removeColumn(priorityColumn);
    assertEquals("number of columns reduced", totalColumnCount - 1, table.getColumnCount());
    assertEquals("all listeners must be removed", 0, 
            priorityColumn.getPropertyChangeListeners().length);
 }
 

import org.jdesktop.swingx.JXTable; //導入方法依賴的package包/類
/**
 * test if max parameter is respected.
 *
 */
@Test
public void testPackColumnWithMax() {
    JXTable table = new JXTable(new AncientSwingTeam());
    TableColumnExt columnExt = table.getColumnExt(0);
    table.getColumnFactory().packColumn(table, columnExt, -1, -1);
    int prefWidth = columnExt.getPreferredWidth();
    assertTrue("sanity: ", prefWidth > 10);
    int max = prefWidth - 5;
    table.getColumnFactory().packColumn(table, columnExt, -1, max);
    assertEquals("pref width must be bounded by max", 
            max, columnExt.getPreferredWidth());
}
 

import org.jdesktop.swingx.JXTable; //導入方法依賴的package包/類
/**
 * packColumn can't handle hidden columns.
 *
 */
@Test
public void testPackHiddenColumn() {
    JXTable table = new JXTable(10, 4);
    TableColumnExt columnExt = table.getColumnExt(0);
    columnExt.setVisible(false);
    try {
        table.getColumnFactory().packColumn(table, columnExt, -1, -1);
        fail("packColumn is doc'ed to not handle hidden columns");
    } catch (IllegalStateException e) {
        // expected
    }        
}
 

import org.jdesktop.swingx.JXTable; //導入方法依賴的package包/類
/**
 * Issue #266-swingx: support customization of pack margin.
 * 
 * added property to ColumnFactory. 
 *  
 */
@Test
public void testPackMargin() {
    final int special = 1;
    JXTable table = new JXTable(1, 2);
    ColumnFactory factory = new ColumnFactory();
    table.setColumnFactory(factory);
    table.setValueAt("something that's wider than 75", 0, special);
    TableColumnExt columnExt = table.getColumnExt(special);
    table.packAll();
    TableCellRenderer renderer = table.getCellRenderer(0, special);
    Component comp = table.prepareRenderer(renderer, 0, special);
    int realPrefWidth = 2 * factory.getDefaultPackMargin() // magic value - JXTable's default margin, 
                              //  needs to be made configurable, see Issue 266 
        + comp.getPreferredSize().width;
    // sanity - default margin kicks in
    assertEquals(realPrefWidth, columnExt.getPreferredWidth());
    
    int margin = 10;
    factory.setDefaultPackMargin(margin);
    table.packAll();
    table.prepareRenderer(renderer, 0, special);
    int otherPrefWidth = 2 * margin + comp.getPreferredSize().width;
    assertEquals(otherPrefWidth, columnExt.getPreferredWidth());
    
    
}
 

import org.jdesktop.swingx.JXTable; //導入方法依賴的package包/類
@Test
public void testColumnVisibilityActionOnHideable() {
    JXTable table = new JXTable(10, 3);
    table.setColumnControlVisible(true);
    ColumnControlButton columnControl = (ColumnControlButton) table.getColumnControl();
    ColumnVisibilityAction action = columnControl.getColumnVisibilityActions().get(0);
    TableColumnExt columnExt = table.getColumnExt(0);
    // visible property is false
    columnExt.setVisible(false);
    columnExt.setHideable(false);
    assertTrue("visibility action must be selected if not hideable", action.isSelected());
    assertFalse("action must be disabled", action.isEnabled());
    columnExt.setHideable(true);
    assertFalse("visibility action must be unselected if hideable", action.isSelected());
}
 

import org.jdesktop.swingx.JXTable; //導入方法依賴的package包/類
/** 
    * Issue #192: initially invisibility columns are hidden
    * but marked as visible in control.
    *
    * Issue #38 (swingx): initially invisble columns don't show up
    * in the column control list.
    * 
    * 
    */
    @Test
   public void testColumnControlInvisibleColumns() {
       final JXTable table = new JXTable(sortableTableModel);
       // columns set to invisible before setting the columnControl
       // will not be inserted into the column control's list
//     table.getColumnExt("Last Name").setVisible(false);
       table.setColumnControlVisible(true);
       int totalColumnCount = table.getColumnCount();
       final TableColumnExt priorityColumn = table.getColumnExt("First Name");
       priorityColumn.setVisible(false);
       ColumnControlButton columnControl = (ColumnControlButton) table.getColumnControl();
       assertNotNull("popup menu not null", columnControl.popup);
       int columnMenuItems = 0;
       Component[] items = ((DefaultColumnControlPopup) columnControl.getColumnControlPopup()).getPopupMenu().getComponents();
       for (int i = 0; i < items.length; i++) {
           if (!(items[i] instanceof JMenuItem)) {
               break;
           }
           columnMenuItems++;
       }
       // wrong assumption - has separator and actions!
       assertEquals("menu items must be equal to columns", totalColumnCount, 
               columnMenuItems);
       JCheckBoxMenuItem menuItem = (JCheckBoxMenuItem) ((DefaultColumnControlPopup) columnControl.getColumnControlPopup()).getPopupMenu()
           .getComponent(0);
       // sanit assert
       assertEquals(priorityColumn.getHeaderValue(), menuItem.getText());
       assertEquals("selection of menu must be equal to column visibility", 
               priorityColumn.isVisible(), menuItem.isSelected());
   }
 

import org.jdesktop.swingx.JXTable; //導入方法依賴的package包/類
public static void initTableColums(JXTable table, int width, String... headers) {
    for (String caption : headers) {
        TableColumnExt columns = table.getColumnExt(caption);
        columns.setPreferredWidth(width);
        columns.setMaxWidth(width);
        columns.setWidth(width);
    }
}