basiclistui.java

JAVA 所有包

        public void mousePressed(MouseEvent e) {
            getHandler().mousePressed(e);
	}

        public void mouseDragged(MouseEvent e) {
            getHandler().mouseDragged(e);
        }

        public void mouseMoved(MouseEvent e) {
            getHandler().mouseMoved(e);
        }

        public void mouseReleased(MouseEvent e) {
            getHandler().mouseReleased(e);
        }
    }


    /**
     * Creates a delegate that implements MouseInputListener.
     * The delegate is added to the corresponding java.awt.Component listener 
     * lists at installUI() time. Subclasses can override this method to return 
     * a custom MouseInputListener, e.g.
     * <pre>
     * class MyListUI extends BasicListUI {
     *    protected MouseInputListener <b>createMouseInputListener</b>() {
     *        return new MyMouseInputHandler();
     *    }
     *    public class MyMouseInputHandler extends MouseInputHandler {
     *        public void mouseMoved(MouseEvent e) {
     *            // do some extra work when the mouse moves
     *            super.mouseMoved(e);
     *        }
     *    }
     * }
     * </pre>
     *
     * @see MouseInputHandler
     * @see #installUI
     */
    protected MouseInputListener createMouseInputListener() {
        return getHandler();
    }

    /**
     * This inner class is marked &quot;public&quot; due to a compiler bug.
     * This class should be treated as a &quot;protected&quot; inner class.
     * Instantiate it only within subclasses of BasicTableUI.
     */
    public class FocusHandler implements FocusListener
    {
        protected void repaintCellFocus()
        {
            getHandler().repaintCellFocus();
        }

        /* The focusGained() focusLost() methods run when the JList
         * focus changes.
         */

        public void focusGained(FocusEvent e) {
            getHandler().focusGained(e);
        }

        public void focusLost(FocusEvent e) {
            getHandler().focusLost(e);
        }
    }

    protected FocusListener createFocusListener() {
        return getHandler();
    }

    /**
     * The ListSelectionListener that's added to the JLists selection
     * model at installUI time, and whenever the JList.selectionModel property
     * changes.  When the selection changes we repaint the affected rows.
     * <p>
     * <strong>Warning:</strong>
     * Serialized objects of this class will not be compatible with
     * future Swing releases. The current serialization support is
     * appropriate for short term storage or RMI between applications running
     * the same version of Swing.  As of 1.4, support for long term storage
     * of all JavaBeans<sup><font size="-2">TM</font></sup>
     * has been added to the <code>java.beans</code> package.
     * Please see {@link java.beans.XMLEncoder}.
     *
     * @see #createListSelectionListener
     * @see #getCellBounds
     * @see #installUI
     */
    public class ListSelectionHandler implements ListSelectionListener
    {
        public void valueChanged(ListSelectionEvent e)
        {
            getHandler().valueChanged(e);
        }
    }


    /**
     * Creates an instance of ListSelectionHandler that's added to
     * the JLists by selectionModel as needed.  Subclasses can override
     * this method to return a custom ListSelectionListener, e.g.
     * <pre>
     * class MyListUI extends BasicListUI {
     *    protected ListSelectionListener <b>createListSelectionListener</b>() {
     *        return new MySelectionListener();
     *    }
     *    public class MySelectionListener extends ListSelectionHandler {
     *        public void valueChanged(ListSelectionEvent e) {
     *            // do some extra work when the selection changes
     *            super.valueChange(e);
     *        }
     *    }
     * }
     * </pre>
     *
     * @see ListSelectionHandler
     * @see #installUI
     */
    protected ListSelectionListener createListSelectionListener() {
        return getHandler();
    }


    private void redrawList() {
	list.revalidate();
	list.repaint();
    }


    /**
     * The ListDataListener that's added to the JLists model at
     * installUI time, and whenever the JList.model property changes.
     * <p>
     * <strong>Warning:</strong>
     * Serialized objects of this class will not be compatible with
     * future Swing releases. The current serialization support is
     * appropriate for short term storage or RMI between applications running
     * the same version of Swing.  As of 1.4, support for long term storage
     * of all JavaBeans<sup><font size="-2">TM</font></sup>
     * has been added to the <code>java.beans</code> package.
     * Please see {@link java.beans.XMLEncoder}.
     *
     * @see JList#getModel
     * @see #maybeUpdateLayoutState
     * @see #createListDataListener
     * @see #installUI
     */
    public class ListDataHandler implements ListDataListener
    {
        public void intervalAdded(ListDataEvent e) {
            getHandler().intervalAdded(e);
        }


        public void intervalRemoved(ListDataEvent e)
        {
            getHandler().intervalRemoved(e);
        }


        public void contentsChanged(ListDataEvent e) {
            getHandler().contentsChanged(e);
        }
    }


    /**
     * Creates an instance of ListDataListener that's added to
     * the JLists by model as needed.  Subclasses can override
     * this method to return a custom ListDataListener, e.g.
     * <pre>
     * class MyListUI extends BasicListUI {
     *    protected ListDataListener <b>createListDataListener</b>() {
     *        return new MyListDataListener();
     *    }
     *    public class MyListDataListener extends ListDataHandler {
     *        public void contentsChanged(ListDataEvent e) {
     *            // do some extra work when the models contents change
     *            super.contentsChange(e);
     *        }
     *    }
     * }
     * </pre>
     *
     * @see ListDataListener
     * @see JList#getModel
     * @see #installUI
     */
    protected ListDataListener createListDataListener() {
        return getHandler();
    }


    /**
     * The PropertyChangeListener that's added to the JList at
     * installUI time.  When the value of a JList property that
     * affects layout changes, we set a bit in updateLayoutStateNeeded.
     * If the JLists model changes we additionally remove our listeners
     * from the old model.  Likewise for the JList selectionModel.
     * <p>
     * <strong>Warning:</strong>
     * Serialized objects of this class will not be compatible with
     * future Swing releases. The current serialization support is
     * appropriate for short term storage or RMI between applications running
     * the same version of Swing.  As of 1.4, support for long term storage
     * of all JavaBeans<sup><font size="-2">TM</font></sup>
     * has been added to the <code>java.beans</code> package.
     * Please see {@link java.beans.XMLEncoder}.
     *
     * @see #maybeUpdateLayoutState
     * @see #createPropertyChangeListener
     * @see #installUI
     */
    public class PropertyChangeHandler implements PropertyChangeListener
    {
        public void propertyChange(PropertyChangeEvent e)
        {
            getHandler().propertyChange(e);
        }
    }


    /**
     * Creates an instance of PropertyChangeHandler that's added to
     * the JList by installUI().  Subclasses can override this method
     * to return a custom PropertyChangeListener, e.g.
     * <pre>
     * class MyListUI extends BasicListUI {
     *    protected PropertyChangeListener <b>createPropertyChangeListener</b>() {
     *        return new MyPropertyChangeListener();
     *    }
     *    public class MyPropertyChangeListener extends PropertyChangeHandler {
     *        public void propertyChange(PropertyChangeEvent e) {
     *            if (e.getPropertyName().equals("model")) {
     *                // do some extra work when the model changes
     *            }
     *            super.propertyChange(e);
     *        }
     *    }
     * }
     * </pre>
     *
     * @see PropertyChangeListener
     * @see #installUI
     */
    protected PropertyChangeListener createPropertyChangeListener() {
        return getHandler();
    }

    /** Used by IncrementLeadSelectionAction. Indicates the action should
     * change the lead, and not select it. */
    private static final int CHANGE_LEAD = 0;
    /** Used by IncrementLeadSelectionAction. Indicates the action should
     * change the selection and lead. */
    private static final int CHANGE_SELECTION = 1;
    /** Used by IncrementLeadSelectionAction. Indicates the action should
     * extend the selection from the anchor to the next index. */
    private static final int EXTEND_SELECTION = 2;


    private static class Actions extends UIAction {
        private static final String SELECT_PREVIOUS_COLUMN =
                                    "selectPreviousColumn";
        private static final String SELECT_PREVIOUS_COLUMN_EXTEND =
                                    "selectPreviousColumnExtendSelection";
        private static final String SELECT_PREVIOUS_COLUMN_CHANGE_LEAD =
                                    "selectPreviousColumnChangeLead";
        private static final String SELECT_NEXT_COLUMN = "selectNextColumn";
        private static final String SELECT_NEXT_COLUMN_EXTEND =
                                    "selectNextColumnExtendSelection";
        private static final String SELECT_NEXT_COLUMN_CHANGE_LEAD =
                                    "selectNextColumnChangeLead";
        private static final String SELECT_PREVIOUS_ROW = "selectPreviousRow";
        private static final String SELECT_PREVIOUS_ROW_EXTEND =
                                     "selectPreviousRowExtendSelection";
        private static final String SELECT_PREVIOUS_ROW_CHANGE_LEAD =
                                     "selectPreviousRowChangeLead";
        private static final String SELECT_NEXT_ROW = "selectNextRow";
        private static final String SELECT_NEXT_ROW_EXTEND =
                                     "selectNextRowExtendSelection";
        private static final String SELECT_NEXT_ROW_CHANGE_LEAD =
                                     "selectNextRowChangeLead";
        private static final String SELECT_FIRST_ROW = "selectFirstRow";
        private static final String SELECT_FIRST_ROW_EXTEND =
                                     "selectFirstRowExtendSelection";
        private static final String SELECT_FIRST_ROW_CHANGE_LEAD =
                                     "selectFirstRowChangeLead";
        private static final String SELECT_LAST_ROW = "selectLastRow";
        private static final String SELECT_LAST_ROW_EXTEND =
                                     "selectLastRowExtendSelection";
        private static final String SELECT_LAST_ROW_CHANGE_LEAD =
                                     "selectLastRowChangeLead";
        private static final String SCROLL_UP = "scrollUp";
        private static final String SCROLL_UP_EXTEND =
                                     "scrollUpExtendSelection";
        private static final String SCROLL_UP_CHANGE_LEAD =
                                     "scrollUpChangeLead";
        private static final String SCROLL_DOWN = "scrollDown";
        private static final String SCROLL_DOWN_EXTEND =
                                     "scrollDownExtendSelection";
        private static final String SCROLL_DOWN_CHANGE_LEAD =
                                     "scrollDownChangeLead";
        private static final String SELECT_ALL = "selectAll";
        private static final String CLEAR_SELECTION = "clearSelection";

        // add the lead item to the selection without changing lead or anchor
        private static final String ADD_TO_SELECTION = "addToSelection";

        // toggle the selected state of the lead item and move the anchor to it
        private static final String TOGGLE_AND_ANCHOR = "toggleAndAnchor";

        // extend the selection to the lead item
        private static final String EXTEND_TO = "extendTo";

        // move the anchor to the lead and ensure only that item is selected
        private static final String MOVE_SELECTION_TO = "moveSelectionTo";

        Actions(String name) {
            super(name);
        }
        public void actionPerformed(ActionEvent e) {
            String name = getName();
            JList list = (JList)e.getSource();
            BasicListUI ui = (BasicListUI)BasicLookAndFeel.getUIOfType(
                     list.getUI(), BasicListUI.class);

            if (name == SELECT_PREVIOUS_COLUMN) {
                changeSelection(list, CHANGE_SELECTION,
                                getNextColumnIndex(list, ui, -1), -1);
            }
            else if (name == SELECT_PREVIOUS_COLUMN_EXTEND) {
                changeSelection(list, EXTEND_SELECTION,
                                getNextColumnIndex(list, ui, -1), -1);
            }
            else if (name == SELECT_PREVIOUS_COLUMN_CHANGE_LEAD) {
                changeSelection(list, CHANGE_LEAD,
                                getNextColumnIndex(list, ui, -1), -1);
            }
            else if (name == SELECT_NEXT_COLUMN) {
                changeSelection(list, CHANGE_SELECTION,
                                getNextColumnIndex(list, ui, 1), 1);
            }
            else if (name == SELECT_NEXT_COLUMN_EXTEND) {
                changeSelection(list, EXTEND_SELECTION,
                                getNextColumnIndex(list, ui, 1), 1);
            }
            else if (name == SELECT_NEXT_COLUMN_CHANGE_LEAD) {
                changeSelection(list, CHANGE_LEAD,
                                getNextColumnIndex(list, ui, 1), 1);
            }
            else if (name == SELECT_PREVIOUS_ROW) {
                changeSelection(list, CHANGE_SELECTION,
                                getNextIndex(list, ui, -1), -1);
            }
            else if (name == SELECT_PREVIOUS_ROW_EXTEND) {
                changeSelection(list, EXTEND_SELECTION,
                                getNextIndex(list, ui, -1), -1);
            }
            else if (name == SELECT_PREVIOUS_ROW_CHANGE_LEAD) {
                changeSelection(list, CHANGE_LEAD,
                                getNextIndex(list, ui, -1), -1);
            }
            else if (name == SELECT_NEXT_ROW) {
                changeSelection(list, CHANGE_SELECTION,
                                getNextIndex(list, ui, 1), 1);
            }
            else if (name == SELECT_NE