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1
19 package org.lucane.applications.whiteboard.gui;
20
21 import java.awt.Dimension  ;
22
23 import javax.swing.ImageIcon ;
24 import javax.swing.JToggleButton ;
25
26 import org.lucane.applications.whiteboard.WhiteBoard;
27
28 public class PenButton extends JToggleButton
29 {
30 public static final int STATE_INACTIVE = 0;
31 public static final int STATE_ACTIVE = 1;
32 public static final int STATE_QUEUED = 2;
33
34 private ImageIcon inactiveIcon;
35 private ImageIcon activeIcon;
36 private ImageIcon queuedIcon;
37
38 private int state;
39 private String user;
40 private int queueSize;
41
42 private Thread blinker = null;
43
44 public PenButton(WhiteBoard plugin)
45 {
46 this.inactiveIcon = plugin.getImageIcon("pen_inactive.png");
47 this.activeIcon = plugin.getImageIcon("pen_active.png");
48 this.queuedIcon = plugin.getImageIcon("pen_queued.png");
49
50 this.setPreferredSize(new Dimension (100, 100));
51 setState(STATE_INACTIVE);
52 }
53
54 private void startBlinking()
55 {
56 final PenButton button = this;
57
58 if(blinker == null)
59 {
60 blinker = new Thread () {
61
62 public void run() {
63 while(queueSize > 1)
64 {
65 button.setSelected(!button.isSelected());
66 try {
67 Thread.sleep(1000/queueSize);
68 } catch (InterruptedException e) {
69 break;
70 }
71 }
72 }
73 };
74 blinker.start();
75 }
76 }
77
78 private void stopBlinking()
79 {
80 if(this.blinker != null)
81 {
82 this.blinker.interrupt();
83 this.blinker = null;
84 }
85 setSelected(state != STATE_INACTIVE);
86 }
87
88 public void setUser(String user)
89 {
90 this.user = user;
91 this.setText(user);
92 }
93
94 public void setQueueSize(int queueSize)
95 {
96 this.queueSize = queueSize;
97 if(queueSize > 1)
98 startBlinking();
99 else
100 stopBlinking();
101 }
102
103 public void setState(int state)
104 {
105 setQueueSize(0);
106
107 this.state = state;
108 if(isInactive())
109 {
110 this.setSelected(false);
111 this.setIcon(this.inactiveIcon);
112 }
113 else if(isActive())
114 {
115 this.setSelected(true);
116 this.setIcon(this.activeIcon);
117 }
118 else if(isQueued())
119 {
120 this.setSelected(true);
121 this.setIcon(this.queuedIcon);
122 }
123 }
124
125 public boolean isActive()
126 {
127 return this.state == STATE_ACTIVE;
128 }
129
130 public boolean isInactive()
131 {
132 return this.state == STATE_INACTIVE;
133 }
134
135 public boolean isQueued()
136 {
137 return this.state == STATE_QUEUED;
138 }
139
140 public String getUser()
141 {
142 return this.user;
143 }
144 } |
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