/* * @(#)SynthListUI.java	1.11 03/12/19 * * Copyright 2004 Sun Microsystems, Inc. All rights reserved. * SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms. */package javax.swing.plaf.synth;import javax.swing.*;import javax.swing.border.*;import javax.swing.event.*;import javax.swing.plaf.*;import javax.swing.plaf.basic.*;import javax.swing.text.Position;import java.awt.*;import java.awt.event.*;import java.awt.datatransfer.Transferable;import java.awt.dnd.*;import java.util.ArrayList;import java.util.TooManyListenersException;import java.beans.PropertyChangeListener;import java.beans.PropertyChangeEvent;import sun.swing.plaf.synth.SynthUI;/** * Synth's ListUI. * * @version 1.11, 12/19/03 * @author Scott Violet */class SynthListUI extends BasicListUI implements PropertyChangeListener,                               SynthUI {    private SynthStyle style;    private boolean useListColors;    private boolean useUIBorder;    public static ComponentUI createUI(JComponent list) {        return new SynthListUI();    }    public void update(Graphics g, JComponent c) {        SynthContext context = getContext(c);        SynthLookAndFeel.update(context, g);        context.getPainter().paintListBackground(context,                          g, 0, 0, c.getWidth(), c.getHeight());        context.dispose();        paint(g, c);    }    public void paintBorder(SynthContext context, Graphics g, int x,                            int y, int w, int h) {        context.getPainter().paintListBorder(context, g, x, y, w, h);    }    protected void installListeners() {        super.installListeners();        list.addPropertyChangeListener(this);    }    public void propertyChange(PropertyChangeEvent e) {        if (SynthLookAndFeel.shouldUpdateStyle(e)) {            updateStyle((JList)e.getSource());        }    }    protected void uninstallListeners() {        super.uninstallListeners();        list.removePropertyChangeListener(this);    }    protected void installDefaults() {        if (list.getCellRenderer() == null ||                 (list.getCellRenderer() instanceof UIResource)) {            list.setCellRenderer(new SynthListCellRenderer());        }        updateStyle(list);    }    private void updateStyle(JComponent c) {        SynthContext context = getContext(list, ENABLED);        SynthStyle oldStyle = style;        style = SynthLookAndFeel.updateStyle(context, this);        if (style != oldStyle) {            context.setComponentState(SELECTED);            Color sbg = list.getSelectionBackground();            if (sbg == null || sbg instanceof UIResource) {                list.setSelectionBackground(style.getColor(                                 context, ColorType.TEXT_BACKGROUND));            }            Color sfg = list.getSelectionForeground();            if (sfg == null || sfg instanceof UIResource) {                list.setSelectionForeground(style.getColor(                                 context, ColorType.TEXT_FOREGROUND));            }            useListColors = style.getBoolean(context,                                  "List.rendererUseListColors", true);            useUIBorder = style.getBoolean(context,                                  "List.rendererUseUIBorder", true);            int height = style.getInt(context, "List.cellHeight", -1);            if (height != -1) {                list.setFixedCellHeight(height);            }            if (oldStyle != null) {                uninstallKeyboardActions();                installKeyboardActions();            }        }        context.dispose();    }    protected void uninstallDefaults() {        super.uninstallDefaults();        SynthContext context = getContext(list, ENABLED);        style.uninstallDefaults(context);        context.dispose();        style = null;    }    public SynthContext getContext(JComponent c) {        return getContext(c, getComponentState(c));    }    private SynthContext getContext(JComponent c, int state) {        return SynthContext.getContext(SynthContext.class, c,                    SynthLookAndFeel.getRegion(c), style, state);    }    private Region getRegion(JComponent c) {        return SynthLookAndFeel.getRegion(c);    }    private int getComponentState(JComponent c) {        return SynthLookAndFeel.getComponentState(c);    }    private class SynthListCellRenderer extends DefaultListCellRenderer.UIResource {        public String getName() {            return "List.cellRenderer";        }        public void setBorder(Border b) {            if (useUIBorder || b instanceof SynthBorder) {                super.setBorder(b);            }        }        public Component getListCellRendererComponent(JList list, Object value,                  int index, boolean isSelected, boolean cellHasFocus) {            if (!useListColors && (isSelected || cellHasFocus)) {                SynthLookAndFeel.setSelectedUI((SynthLabelUI)SynthLookAndFeel.                             getUIOfType(getUI(), SynthLabelUI.class),                                   isSelected, cellHasFocus, list.isEnabled());            }            else {                SynthLookAndFeel.resetSelectedUI();            }                        super.getListCellRendererComponent(list, value, index,                                               isSelected, cellHasFocus);            return this;        }        public void paint(Graphics g) {            super.paint(g);            SynthLookAndFeel.resetSelectedUI();        }    }}