1 /*
   2  * Copyright (c) 2011, 2012, 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 class AquaComboBoxButton extends JButton {
  37     final protected JComboBox comboBox;
  38     final protected JList list;
  39     final protected CellRendererPane rendererPane;
  40     final protected AquaComboBoxUI ui;
  41 
  42     protected final AquaPainter<JRSUIState> painter = AquaPainter.create(JRSUIState.getInstance());
  43     boolean isPopDown;
  44     boolean isSquare;
  45 
  46     protected AquaComboBoxButton(final AquaComboBoxUI ui, final JComboBox comboBox, final CellRendererPane rendererPane, final JList list) {
  47         super("");
  48         putClientProperty("JButton.buttonType", "comboboxInternal");
  49 
  50         this.ui = ui;
  51         this.comboBox = comboBox;
  52         this.rendererPane = rendererPane;
  53         this.list = list;
  54 
  55         setModel(new DefaultButtonModel() {
  56             public void setArmed(final boolean armed) {
  57                 super.setArmed(isPressed() ? true : armed);
  58             }
  59         });
  60 
  61         setEnabled(comboBox.isEnabled());
  62     }
  63 
  64     public boolean isEnabled() {
  65         return comboBox == null ? true : comboBox.isEnabled();
  66     }
  67 
  68     public boolean isFocusTraversable() {
  69         return false;
  70     }
  71 
  72     protected void setIsPopDown(final boolean isPopDown) {
  73         this.isPopDown = isPopDown;
  74         repaint();
  75     }
  76 
  77     protected void setIsSquare(final boolean isSquare) {
  78         this.isSquare = isSquare;
  79         repaint();
  80     }
  81 
  82     protected State getState(final ButtonModel buttonModel) {
  83         if (!comboBox.isEnabled()) return State.DISABLED;
  84         if (!AquaFocusHandler.isActive(comboBox)) return State.INACTIVE;
  85         if (buttonModel.isArmed()) return State.PRESSED;
  86         return State.ACTIVE;
  87     }
  88 
  89     public void paintComponent(final Graphics g) {
  90         // Don't Paint the button as usual
  91         // super.paintComponent( g );
  92         final boolean editable = comboBox.isEditable();
  93 
  94         int top = 0;
  95         int left = 0;
  96         int width = getWidth();
  97         int height = getHeight();
  98 
  99         if (comboBox.isOpaque()) {
 100             g.setColor(getBackground());
 101             g.fillRect(0, 0, width, height);
 102         }
 103 
 104         final Size size = AquaUtilControlSize.getUserSizeFrom(comboBox);
 105         painter.state.set(size == null ? Size.REGULAR : size);
 106 
 107         final ButtonModel buttonModel = getModel();
 108         painter.state.set(getState(buttonModel));
 109 
 110         painter.state.set(AlignmentVertical.CENTER);
 111 
 112         if (AquaComboBoxUI.isTableCellEditor(comboBox)) {
 113             painter.state.set(AlignmentHorizontal.RIGHT);
 114             painter.state.set(Widget.BUTTON_POP_UP);
 115             painter.state.set(ArrowsOnly.YES);
 116             painter.paint(g, this, left, top, width, height);
 117             doRendererPaint(g, buttonModel, editable, getInsets(), left, top, width, height);
 118             return;
 119         }
 120 
 121         painter.state.set(AlignmentHorizontal.CENTER);
 122         final Insets insets = getInsets();
 123         if (!editable) {
 124             top += insets.top;
 125             left += insets.left;
 126             width -= insets.left + insets.right;
 127             height -= insets.top + insets.bottom;
 128         }
 129 
 130         if (height <= 0 || width <= 0) {
 131             return;
 132         }
 133 
 134         boolean hasFocus = comboBox.hasFocus();
 135         if (editable) {
 136             painter.state.set(Widget.BUTTON_COMBO_BOX);
 137             painter.state.set(IndicatorOnly.YES);
 138             painter.state.set(AlignmentHorizontal.LEFT);
 139             hasFocus |= comboBox.getEditor().getEditorComponent().hasFocus();
 140         } else {
 141             painter.state.set(IndicatorOnly.NO);
 142             painter.state.set(AlignmentHorizontal.CENTER);
 143             if (isPopDown) {
 144                 painter.state.set(isSquare ? Widget.BUTTON_POP_DOWN_SQUARE : Widget.BUTTON_POP_DOWN);
 145             } else {
 146                 painter.state.set(isSquare ? Widget.BUTTON_POP_UP_SQUARE : Widget.BUTTON_POP_UP);
 147             }
 148         }
 149         painter.state.set(hasFocus ? Focused.YES : Focused.NO);
 150 
 151         if (isSquare) {
 152             painter.paint(g, comboBox, left + 2, top - 1, width - 4, height);
 153         } else {
 154             painter.paint(g, comboBox, left, top, width, height);
 155         }
 156 
 157         // Let the renderer paint
 158         if (!editable && comboBox != null) {
 159             doRendererPaint(g, buttonModel, editable, insets, left, top, width, height);
 160         }
 161     }
 162 
 163     protected void doRendererPaint(final Graphics g, final ButtonModel buttonModel, final boolean editable, final Insets insets, int left, int top, int width, int height) {
 164         final ListCellRenderer renderer = comboBox.getRenderer();
 165 
 166         // fake it out! not renderPressed
 167         final Component c = renderer.getListCellRendererComponent(list, comboBox.getSelectedItem(), -1, false, false);
 168         // System.err.println("Renderer: " + renderer);
 169 
 170         if (!editable && !AquaComboBoxUI.isTableCellEditor(comboBox)) {
 171             final int indentLeft = 10;
 172             final int buttonWidth = 24;
 173 
 174             // hardcoded for now. We should adjust as necessary.
 175             top += 1;
 176             height -= 4;
 177             left += indentLeft;
 178             width -= (indentLeft + buttonWidth);
 179         }
 180 
 181         c.setFont(rendererPane.getFont());
 182 
 183         if (buttonModel.isArmed() && buttonModel.isPressed()) {
 184             if (isOpaque()) {
 185                 c.setBackground(UIManager.getColor("Button.select"));
 186             }
 187             c.setForeground(comboBox.getForeground());
 188         } else if (!comboBox.isEnabled()) {
 189             if (isOpaque()) {
 190                 c.setBackground(UIManager.getColor("ComboBox.disabledBackground"));
 191             }
 192             c.setForeground(UIManager.getColor("ComboBox.disabledForeground"));
 193         } else {
 194             c.setForeground(comboBox.getForeground());
 195             c.setBackground(comboBox.getBackground());
 196         }
 197 
 198         // Sun Fix for 4238829: should lay out the JPanel.
 199         boolean shouldValidate = false;
 200         if (c instanceof JPanel) {
 201             shouldValidate = true;
 202         }
 203 
 204         final int iconWidth = 0;
 205         final int cWidth = width - (insets.right + iconWidth);
 206 
 207         // fix for 3156483 we need to crop images that are too big.
 208         // if (height > 18)
 209         // always crop.
 210         {
 211             top = height / 2 - 8;
 212             height = 19;
 213         }
 214 
 215         // It doesn't need to draw its background, we handled it
 216         final Color bg = c.getBackground();
 217         final boolean inhibitBackground = bg instanceof UIResource;
 218         if (inhibitBackground) c.setBackground(new Color(0, 0, 0, 0));
 219 
 220         rendererPane.paintComponent(g, c, this, left, top, cWidth, height, shouldValidate); // h - (insets.top + insets.bottom) );
 221 
 222         if (inhibitBackground) c.setBackground(bg);
 223     }
 224 }