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1 package org.columba.core.gui.search;
2
3 import java.awt.Component  ;
4 import java.awt.Cursor ;
5 import java.awt.Dimension ;
6 import java.awt.FontMetrics ;
7 import java.awt.Graphics ;
8 import java.awt.Insets ;
9 import java.awt.Rectangle ;
10 import java.awt.event.MouseEvent ;
11
12 import javax.swing.Icon ;
13 import javax.swing.JPopupMenu ;
14 import javax.swing.JTextField ;
15 import javax.swing.border.AbstractBorder ;
16 import javax.swing.border.Border ;
17 import javax.swing.event.MouseInputAdapter ;
18 import javax.swing.event.PopupMenuListener ;
19
20 public class IconTextField extends JTextField {
21
22 private Icon icon;
23
24 private Rectangle iconBounds;
25
26 private JPopupMenu popupMenu;
27
28 private IconifiedBorder border;
29
30 public IconTextField(Icon icon, int columns) {
31 super(columns);
33
34 this.icon = icon;
35
36 popupMenu = new JPopupMenu ();
37
40 iconBounds = new Rectangle (0, 0, icon.getIconWidth(), icon
43 .getIconHeight());
44
45 border = new IconifiedBorder(getBorder(), icon, 1);
47 setBorder(border);
48
49 MouseHandler handler = new MouseHandler();
51 addMouseListener(handler);
52 addMouseMotionListener(handler);
53
54 }
55
56 public void addPopupMenuListener(PopupMenuListener listener) {
57 popupMenu.addPopupMenuListener(listener);
58 }
59
60 public void showPopup() {
61 popupMenu.show(IconTextField.this, 0, getHeight());
63 }
65
66 public void setPopupMenu(JPopupMenu menu) {
67 JPopupMenu oldMenu = popupMenu;
68 popupMenu = menu;
69 firePropertyChange("popup", oldMenu, popupMenu);
70 }
71
72 public void setIcon(Icon ico) {
73 Icon oldIcon = this.icon;
74 this.icon = ico;
75 iconBounds = new Rectangle (0, 0, ico.getIconWidth(), ico
76 .getIconHeight());
77 border.setIcon(icon);
78 firePropertyChange("icon", oldIcon, icon);
79 }
80
81 public Icon getIcon() {
82 return icon;
83 }
84
85 public JPopupMenu getPopupMenu() {
86 return popupMenu;
87 }
88
89 public Dimension getPreferredSize() {
90 Dimension size = super.getPreferredSize();
91 Insets insets = getInsets();
92 Insets margin = getMargin();
93 FontMetrics fm = getFontMetrics(getFont());
94 size.height = Math.max(fm.getHeight(), icon.getIconHeight())
95 + insets.top + insets.bottom;
96 return size;
97 }
98
99 private class MouseHandler extends MouseInputAdapter {
100 public void mouseMoved(MouseEvent e) {
101 if (iconBounds.contains(e.getPoint())) {
102 setCursor(Cursor.getDefaultCursor());
103 } else {
104 setCursor(Cursor.getPredefinedCursor(Cursor.TEXT_CURSOR));
105 }
106 }
107
108 public void mouseClicked(MouseEvent e) {
109 if (iconBounds.contains(e.getPoint())) {
110 if (popupMenu.isVisible()) {
111 popupMenu.setVisible(false);
112 } else {
113 popupMenu.show(IconTextField.this, 0, getHeight());
114 }
115 }
116 }
117 }
118
119 private class IconifiedBorder extends AbstractBorder {
120 private Border innerBorder;
121
122 private Icon icon;
123
124 private Insets insets;
125
126 private int spacing;
127
128 public IconifiedBorder(Border innerBorder, Icon icon, int spacing) {
129 this.innerBorder = innerBorder;
130 this.icon = icon;
131 this.spacing = spacing;
132 }
133
134 public void setIcon(Icon ico) {
135 this.icon = ico;
136 insets = null;
137 }
138
139 public Border getInnerBorder() {
140 return innerBorder;
141 }
142
143 public void paintBorder(Component c, Graphics g, int x, int y,
144 int width, int height) {
145 innerBorder.paintBorder(c, g, x, y, width, height);
146 Insets innerInsets = innerBorder.getBorderInsets(c);
147 iconBounds.x = x + innerInsets.left + spacing;
148 iconBounds.y = y + innerInsets.top + spacing;
149 icon.paintIcon(c, g, iconBounds.x, iconBounds.y);
150 }
151
152 public Insets getBorderInsets(Component c) {
153 if (insets == null) {
154 insets = (Insets ) innerBorder.getBorderInsets(c).clone();
155 insets.left += icon.getIconWidth() + spacing * 4;
156 insets.top += spacing;
157 insets.bottom += spacing;
158 }
159 return insets;
160 }
161 }
162
163 } |
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