1 /*
   2  * Copyright (c) 2011, 2014, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package com.apple.laf;
  27 
  28 import java.awt.*;
  29 
  30 import javax.swing.*;
  31 import javax.swing.plaf.UIResource;
  32 
  33 import apple.laf.JRSUIState;
  34 import apple.laf.JRSUIConstants.*;
  35 
  36 @SuppressWarnings("serial") // Superclass is not serializable across versions
  37 class AquaComboBoxButton extends JButton {
  38     final protected JComboBox comboBox;
  39     final protected JList list;
  40     final protected CellRendererPane rendererPane;
  41     final protected AquaComboBoxUI ui;
  42 
  43     protected final AquaPainter<JRSUIState> painter = AquaPainter.create(JRSUIState.getInstance());
  44     boolean isPopDown;
  45     boolean isSquare;
  46 
  47     @SuppressWarnings("serial") // anonymous class
  48     protected AquaComboBoxButton(final AquaComboBoxUI ui, final JComboBox comboBox, final CellRendererPane rendererPane, final JList list) {
  49         super("");
  50         putClientProperty("JButton.buttonType", "comboboxInternal");
  51 
  52         this.ui = ui;
  53         this.comboBox = comboBox;
  54         this.rendererPane = rendererPane;
  55         this.list = list;
  56 
  57         setModel(new DefaultButtonModel() {
  58             public void setArmed(final boolean armed) {
  59                 super.setArmed(isPressed() ? true : armed);
  60             }
  61         });
  62 
  63         setEnabled(comboBox.isEnabled());
  64     }
  65 
  66     public boolean isEnabled() {
  67         return comboBox == null ? true : comboBox.isEnabled();
  68     }
  69 
  70     public boolean isFocusTraversable() {
  71         return false;
  72     }
  73 
  74     protected void setIsPopDown(final boolean isPopDown) {
  75         this.isPopDown = isPopDown;
  76         repaint();
  77     }
  78 
  79     protected void setIsSquare(final boolean isSquare) {
  80         this.isSquare = isSquare;
  81         repaint();
  82     }
  83 
  84     protected State getState(final ButtonModel buttonModel) {
  85         if (!comboBox.isEnabled()) return State.DISABLED;
  86         if (!AquaFocusHandler.isActive(comboBox)) return State.INACTIVE;
  87         if (buttonModel.isArmed()) return State.PRESSED;
  88         return State.ACTIVE;
  89     }
  90 
  91     public void paintComponent(final Graphics g) {
  92         // Don't Paint the button as usual
  93         // super.paintComponent( g );
  94         final boolean editable = comboBox.isEditable();
  95 
  96         int top = 0;
  97         int left = 0;
  98         int width = getWidth();
  99         int height = getHeight();
 100 
 101         if (comboBox.isOpaque()) {
 102             g.setColor(getBackground());
 103             g.fillRect(0, 0, width, height);
 104         }
 105 
 106         final Size size = AquaUtilControlSize.getUserSizeFrom(comboBox);
 107         painter.state.set(size == null ? Size.REGULAR : size);
 108 
 109         final ButtonModel buttonModel = getModel();
 110         painter.state.set(getState(buttonModel));
 111 
 112         painter.state.set(AlignmentVertical.CENTER);
 113 
 114         if (AquaComboBoxUI.isTableCellEditor(comboBox)) {
 115             painter.state.set(AlignmentHorizontal.RIGHT);
 116             painter.state.set(Widget.BUTTON_POP_UP);
 117             painter.state.set(ArrowsOnly.YES);
 118             painter.paint(g, this, left, top, width, height);
 119             doRendererPaint(g, buttonModel, editable, getInsets(), left, top, width, height);
 120             return;
 121         }
 122 
 123         painter.state.set(AlignmentHorizontal.CENTER);
 124         final Insets insets = getInsets();
 125         if (!editable) {
 126             top += insets.top;
 127             left += insets.left;
 128             width -= insets.left + insets.right;
 129             height -= insets.top + insets.bottom;
 130         }
 131 
 132         if (height <= 0 || width <= 0) {
 133             return;
 134         }
 135 
 136         boolean hasFocus = comboBox.hasFocus();
 137         if (editable) {
 138             painter.state.set(Widget.BUTTON_COMBO_BOX);
 139             painter.state.set(IndicatorOnly.YES);
 140             painter.state.set(AlignmentHorizontal.LEFT);
 141             hasFocus |= comboBox.getEditor().getEditorComponent().hasFocus();
 142         } else {
 143             painter.state.set(IndicatorOnly.NO);
 144             painter.state.set(AlignmentHorizontal.CENTER);
 145             if (isPopDown) {
 146                 painter.state.set(isSquare ? Widget.BUTTON_POP_DOWN_SQUARE : Widget.BUTTON_POP_DOWN);
 147             } else {
 148                 painter.state.set(isSquare ? Widget.BUTTON_POP_UP_SQUARE : Widget.BUTTON_POP_UP);
 149             }
 150         }
 151         painter.state.set(hasFocus ? Focused.YES : Focused.NO);
 152 
 153         if (isSquare) {
 154             painter.paint(g, comboBox, left + 2, top - 1, width - 4, height);
 155         } else {
 156             painter.paint(g, comboBox, left, top, width, height);
 157         }
 158 
 159         // Let the renderer paint
 160         if (!editable && comboBox != null) {
 161             doRendererPaint(g, buttonModel, editable, insets, left, top, width, height);
 162         }
 163     }
 164 
 165     protected void doRendererPaint(final Graphics g, final ButtonModel buttonModel, final boolean editable, final Insets insets, int left, int top, int width, int height) {
 166         final ListCellRenderer renderer = comboBox.getRenderer();
 167 
 168         // fake it out! not renderPressed
 169         final Component c = renderer.getListCellRendererComponent(list, comboBox.getSelectedItem(), -1, false, false);
 170         // System.err.println("Renderer: " + renderer);
 171 
 172         if (!editable && !AquaComboBoxUI.isTableCellEditor(comboBox)) {
 173             final int indentLeft = 10;
 174             final int buttonWidth = 24;
 175 
 176             // hardcoded for now. We should adjust as necessary.
 177             top += 1;
 178             height -= 4;
 179             left += indentLeft;
 180             width -= (indentLeft + buttonWidth);
 181         }
 182 
 183         c.setFont(rendererPane.getFont());
 184 
 185         if (buttonModel.isArmed() && buttonModel.isPressed()) {
 186             if (isOpaque()) {
 187                 c.setBackground(UIManager.getColor("Button.select"));
 188             }
 189             c.setForeground(comboBox.getForeground());
 190         } else if (!comboBox.isEnabled()) {
 191             if (isOpaque()) {
 192                 c.setBackground(UIManager.getColor("ComboBox.disabledBackground"));
 193             }
 194             c.setForeground(UIManager.getColor("ComboBox.disabledForeground"));
 195         } else {
 196             c.setForeground(comboBox.getForeground());
 197             c.setBackground(comboBox.getBackground());
 198         }
 199 
 200         // Sun Fix for 4238829: should lay out the JPanel.
 201         boolean shouldValidate = false;
 202         if (c instanceof JPanel) {
 203             shouldValidate = true;
 204         }
 205 
 206         final int iconWidth = 0;
 207         final int cWidth = width - (insets.right + iconWidth);
 208 
 209         // fix for 3156483 we need to crop images that are too big.
 210         // if (height > 18)
 211         // always crop.
 212         {
 213             top = height / 2 - 8;
 214             height = 19;
 215         }
 216 
 217         // It doesn't need to draw its background, we handled it
 218         final Color bg = c.getBackground();
 219         final boolean inhibitBackground = bg instanceof UIResource;
 220         if (inhibitBackground) c.setBackground(new Color(0, 0, 0, 0));
 221 
 222         rendererPane.paintComponent(g, c, this, left, top, cWidth, height, shouldValidate); // h - (insets.top + insets.bottom) );
 223 
 224         if (inhibitBackground) c.setBackground(bg);
 225     }
 226 }