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1
7
8 package javax.swing.plaf.metal;
9
10 import java.awt.*;
11 import java.awt.event.*;
12 import javax.swing.plaf.basic.*;
13 import javax.swing.*;
14 import javax.swing.plaf.*;
15 import javax.swing.border.*;
16 import java.io.Serializable  ;
17
18
34 public class MetalComboBoxButton extends JButton {
35 protected JComboBox comboBox;
36 protected JList listBox;
37 protected CellRendererPane rendererPane;
38 protected Icon comboIcon;
39 protected boolean iconOnly = false;
40
41 public final JComboBox getComboBox() { return comboBox;}
42 public final void setComboBox( JComboBox cb ) { comboBox = cb;}
43
44 public final Icon getComboIcon() { return comboIcon;}
45 public final void setComboIcon( Icon i ) { comboIcon = i;}
46
47 public final boolean isIconOnly() { return iconOnly;}
48 public final void setIconOnly( boolean isIconOnly ) { iconOnly = isIconOnly;}
49
50 MetalComboBoxButton() {
51 super( "" );
52 DefaultButtonModel model = new DefaultButtonModel() {
53 public void setArmed( boolean armed ) {
54 super.setArmed( isPressed() ? true : armed );
55 }
56 };
57 setModel( model );
58 }
59
60 public MetalComboBoxButton( JComboBox cb, Icon i,
61 CellRendererPane pane, JList list ) {
62 this();
63 comboBox = cb;
64 comboIcon = i;
65 rendererPane = pane;
66 listBox = list;
67 setEnabled( comboBox.isEnabled() );
68 }
69
70 public MetalComboBoxButton( JComboBox cb, Icon i, boolean onlyIcon,
71 CellRendererPane pane, JList list ) {
72 this( cb, i, pane, list );
73 iconOnly = onlyIcon;
74 }
75
76 public boolean isFocusTraversable() {
77 return false;
78 }
79
80 public void setEnabled(boolean enabled) {
81 super.setEnabled(enabled);
82
83 if (enabled) {
85 setBackground(comboBox.getBackground());
86 setForeground(comboBox.getForeground());
87 } else {
88 setBackground(UIManager.getColor("ComboBox.disabledBackground"));
89 setForeground(UIManager.getColor("ComboBox.disabledForeground"));
90 }
91 }
92
93 public void paintComponent( Graphics g ) {
94 boolean leftToRight = MetalUtils.isLeftToRight(comboBox);
95
96 super.paintComponent( g );
98
99 Insets insets = getInsets();
100
101 int width = getWidth() - (insets.left + insets.right);
102 int height = getHeight() - (insets.top + insets.bottom);
103
104 if ( height <= 0 || width <= 0 ) {
105 return;
106 }
107
108 int left = insets.left;
109 int top = insets.top;
110 int right = left + (width - 1);
111 int bottom = top + (height - 1);
112
113 int iconWidth = 0;
114 int iconLeft = (leftToRight) ? right : left;
115
116 if ( comboIcon != null ) {
118 iconWidth = comboIcon.getIconWidth();
119 int iconHeight = comboIcon.getIconHeight();
120 int iconTop = 0;
121
122 if ( iconOnly ) {
123 iconLeft = (getWidth() / 2) - (iconWidth / 2);
124 iconTop = (getHeight() / 2) - (iconHeight / 2);
125 }
126 else {
127 if (leftToRight) {
128 iconLeft = (left + (width - 1)) - iconWidth;
129 }
130 else {
131 iconLeft = left;
132 }
133 iconTop = (top + ((bottom - top) / 2)) - (iconHeight / 2);
134 }
135
136 comboIcon.paintIcon( this, g, iconLeft, iconTop );
137
138 if ( comboBox.hasFocus() && (!MetalLookAndFeel.usingOcean() ||
140 comboBox.isEditable())) {
141 g.setColor( MetalLookAndFeel.getFocusColor() );
142 g.drawRect( left - 1, top - 1, width + 3, height + 1 );
143 }
144 }
145
146 if (MetalLookAndFeel.usingOcean()) {
147 return;
149 }
150
151 if ( ! iconOnly && comboBox != null ) {
153 ListCellRenderer renderer = comboBox.getRenderer();
154 Component c;
155 boolean renderPressed = getModel().isPressed();
156 c = renderer.getListCellRendererComponent(listBox,
157 comboBox.getSelectedItem(),
158 -1,
159 renderPressed,
160 false);
161 c.setFont(rendererPane.getFont());
162
163 if ( model.isArmed() && model.isPressed() ) {
164 if ( isOpaque() ) {
165 c.setBackground(UIManager.getColor("Button.select"));
166 }
167 c.setForeground(comboBox.getForeground());
168 }
169 else if ( !comboBox.isEnabled() ) {
170 if ( isOpaque() ) {
171 c.setBackground(UIManager.getColor("ComboBox.disabledBackground"));
172 }
173 c.setForeground(UIManager.getColor("ComboBox.disabledForeground"));
174 }
175 else {
176 c.setForeground(comboBox.getForeground());
177 c.setBackground(comboBox.getBackground());
178 }
179
180
181 int cWidth = width - (insets.right + iconWidth);
182
183 boolean shouldValidate = false;
185 if (c instanceof JPanel) {
186 shouldValidate = true;
187 }
188
189 if (leftToRight) {
190 rendererPane.paintComponent( g, c, this,
191 left, top, cWidth, height, shouldValidate );
192 }
193 else {
194 rendererPane.paintComponent( g, c, this,
195 left + iconWidth, top, cWidth, height, shouldValidate );
196 }
197 }
198 }
199 }
200 |
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