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1 package com.sshtools.ui.swing;
2
3 import java.awt.Component  ;
4 import java.awt.Dimension ;
5 import java.awt.Insets ;
6 import java.awt.event.ActionEvent ;
7 import java.awt.event.ActionListener ;
8 import java.awt.event.MouseAdapter ;
9 import java.awt.event.MouseEvent ;
10 import javax.swing.AbstractButton ;
11 import javax.swing.Action ;
12 import javax.swing.JButton ;
13 import javax.swing.JPopupMenu ;
14 import javax.swing.JToolBar ;
15 import javax.swing.SwingConstants ;
16
17 public class ActionToolBar extends JToolBar {
18 private ExpandToolBarToggleButton button;
19
20 private int buttonIndex;
21
22
25 public ActionToolBar() {
26 super();
27 init();
28 }
29
30
33 public ActionToolBar(int orientation) {
34 super(orientation);
35 init();
36 }
37
38
41 public ActionToolBar(String name) {
42 super(name);
43 init();
44 }
45
46
50 public ActionToolBar(String name, int orientation) {
51 super(name, orientation);
52 init();
53 }
54
55 public void setWrap(boolean wrap) {
56 boolean oldWrap = isWrap();
57 if (wrap != oldWrap) {
58 ((ActionToolBarLayout) getLayout()).setWrap(wrap);
59 checkButton();
60 }
61 }
62
63 public boolean isWrap() {
64 return getLayout() instanceof ActionToolBarLayout && ((ActionToolBarLayout) getLayout()).isWrap();
65 }
66
67 private void init() {
68 ActionToolBarLayout layout = new ActionToolBarLayout();
69 setLayout(layout);
70 checkButton();
71 setWrap(false);
72 }
73
74 private void checkButton() {
75 invalidate();
76 if(getLayout() instanceof ActionToolBarLayout) { if (button != null) {
78 remove(button);
79 ((ActionToolBarLayout) getLayout()).setExpandComponent(null);
80 buttonIndex = -1;
81 }
82 if (!isWrap()) {
83 button = new ExpandToolBarToggleButton();
84 button.setFocusPainted(false);
85 ((ActionToolBarLayout) getLayout()).setExpandComponent(button);
86 add(button);
87 buttonIndex = getComponentIndex(button);
88 }
89 }
90 validate();
91 repaint();
92 }
93
94 class ExpandToolBarToggleButton extends JButton implements ActionListener {
95 JPopupMenu popup;
96
97 ExpandToolBarToggleButton() {
98 super(new ArrowIcon(SwingConstants.SOUTH));
99 popup = new JPopupMenu ();
100 addActionListener(this);
101 addMouseListener(new MouseAdapter () {
102
103 public void mouseEntered(MouseEvent e) {
104 if(isEnabled()) {
105 setBorderPainted(true);
106 setContentAreaFilled(true);
107 }
108 }
109
110 public void mouseExited(MouseEvent e) {
111 setBorderPainted(false);
112 setContentAreaFilled(false);
113 }
114 });
115 setBorderPainted(false);
116 setContentAreaFilled(false);
117 }
118
119 public Insets getMargin() {
120 return new Insets (0, 0, 0, 0);
121 }
122
123 public boolean isRequestFocusEnabled() {
124 return false;
125 }
126
127 public boolean isFocusTraversable() {
128 return false;
129 }
130
131 public void actionPerformed(ActionEvent evt) {
132 int overun = ((ActionToolBarLayout) ActionToolBar.this.getLayout())
133 .getOverunIndex();
134 if (overun != -1) {
135 popup.invalidate();
136 popup.removeAll();
137 int count = ActionToolBar.this.getComponentCount();
138 Component c;
139 for (int i = overun; i < count; i++) {
140 c = ActionToolBar.this.getComponent(i);
141 if (c != this) {
142 if (c instanceof ToolBarSeparator) {
143 popup.addSeparator();
144 } else {
145 AbstractButton button = (AbstractButton ) c;
146 Action appAction = (Action ) button.getAction();
147 if (appAction != null) {
148 popup.add(appAction);
149 }
150 }
151 }
152 }
153 popup.show(this, getSize().width - popup.getPreferredSize().width,
154 getSize().height);
155 }
156 }
157 }
158
159 public Dimension getMinimumSize() {
160 return new Dimension (1, super.getMinimumSize().height);
161 }
162
163
168 public void remove(Component comp) {
169 if (comp != button) {
170 super.remove(comp);
171 }
172 }
173
174
179 public void remove(int index) {
180 if (index != buttonIndex) {
181 super.remove(index);
182 }
183 }
184
185
190 public void removeAll() {
191 super.removeAll();
192 checkButton();
193 }
194 } |
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