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1 package org.oddjob.images;
2
3 import java.io.IOException  ;
4 import java.io.ObjectInputStream ;
5 import java.io.ObjectOutputStream ;
6 import java.io.Serializable ;
7 import java.util.ArrayList ;
8 import java.util.HashMap ;
9 import java.util.List ;
10 import java.util.Map ;
11
12 import org.oddjob.Iconic;
13 import org.oddjob.util.OddjobConstantException;
14
15
16
22
23 public class IconHelper implements Serializable {
24
25 private static final long serialVersionUID = 20050927;
26
27 public static final String NULL = "null";
28 public static final String INITIALIZING = "initializing";
29 public static final String READY = "ready";
30 public static final String EXECUTING = "executing";
31 public static final String COMPLETE = "complete";
32 public static final String NOT_COMPLETE = "notcomplete";
33 public static final String EXCEPTION = "exception";
34 public static final String SLEEPING = "sleeping";
35 public static final String STOPPING = "stopping";
36 public static final String STOPPED= "stopped";
37 public static final String INVALID = "invalid";
38
39 public static final IconTip nullIcon
40 = new IconTip(
41 IconHelper.class.getResource("diamond.gif"),
42 "Null Icon");
43
44 public static final IconTip initializingIcon
45 = new IconTip(
46 IconHelper.class.getResource("triangle.gif"),
47 "Initialising");
48
49 public static final IconTip readyIcon
50 = new IconTip(
51 IconHelper.class.getResource("right_blue.gif"),
52 "Ready");
53
54 public static final IconTip executingIcon
55 = new IconTip(
56 IconHelper.class.getResource("triangle_green.gif"),
57 "Executing");
58
59 public static final IconTip completeIcon
60 = new IconTip(
61 IconHelper.class.getResource("tick_green.gif"),
62 "Complete");
63
64 public static final IconTip notCompleteIcon
65 = new IconTip(
66 IconHelper.class.getResource("cross.gif"),
67 "Not Complete");
68
69 public static final IconTip stoppingIcon
70 = new IconTip(
71 IconHelper.class.getResource("triangle_red.gif"),
72 "Stopping");
73
74 public static final IconTip stoppedIcon
75 = new IconTip(
76 IconHelper.class.getResource("square_red.gif"),
77 "Stopped");
78
79 public static final IconTip sleepingIcon
80 = new IconTip(
81 IconHelper.class.getResource("dot_blue.gif"),
82 "Sleeping");
83
84 public static final IconTip invalidIcon
85 = new IconTip(
86 IconHelper.class.getResource("cross_red.gif"),
87 "Invalid");
88
89 public static final IconTip exceptionIcon
90 = new IconTip(
91 IconHelper.class.getResource("asterix_red.gif"),
92 "Exception");
93
94 private static Map defaultIconMap = new HashMap ();
95
96 static {
97 defaultIconMap.put(NULL, nullIcon);
98 defaultIconMap.put(INITIALIZING, initializingIcon);
99 defaultIconMap.put(READY ,readyIcon);
100 defaultIconMap.put(EXECUTING, executingIcon);
101 defaultIconMap.put(COMPLETE, completeIcon);
102 defaultIconMap.put(NOT_COMPLETE, notCompleteIcon);
103 defaultIconMap.put(SLEEPING, sleepingIcon);
104 defaultIconMap.put(STOPPING, stoppingIcon);
105 defaultIconMap.put(STOPPED, stoppedIcon);
106 defaultIconMap.put(INVALID, invalidIcon);
107 defaultIconMap.put(EXCEPTION, exceptionIcon);
108 }
109
110 private transient Object source;
111 private volatile IconEvent lastEvent;
112 private transient List listeners = new ArrayList ();
113 private transient Map iconMap;
114 private transient Iconic mirror;
115
116
121 public IconHelper(Object source) {
122 this.source = source;
123 lastEvent = new IconEvent(source, READY);
124 iconMap = defaultIconMap;
125 }
126
127 public void setIconMap(Map iconMap) {
128 this.iconMap = iconMap;
129 }
130
131 public void setMirror(Iconic mirror) {
132 this.mirror = mirror;
133 this.iconMap = new HashMap ();
134 }
135
136
144 public IconTip iconForId(String iconId) throws NoSuchIconException {
145 IconTip iconTip = (IconTip)iconMap.get(iconId);
146 if (iconTip != null) {
147 return iconTip;
148 }
149 if (mirror != null) {
150 iconTip = mirror.iconForId(iconId);
151 iconMap.put(iconId, iconTip);
152 return iconTip;
153 }
154 throw new NoSuchIconException("No icon for " + iconId);
155 }
156
157
162 public void changeIcon(String iconId) {
163 iconForId(iconId);
165
166 IconEvent localEvent = new IconEvent(source, iconId);
171 IconListener[] la = null;
172 synchronized (listeners) {
173 lastEvent = localEvent;
174 la = (IconListener[]) listeners.toArray(new IconListener[0]);
175 }
176 for (int i = 0; i < la.length; ++i) {
177 la[i].iconEvent(localEvent);
178 }
179 }
180
181
186 public String currentId() {
187 return lastEvent.getIconId();
188 }
189
190 public void addIconListener(IconListener listener) {
191 if (lastEvent == null) {
192 throw new IllegalStateException ("No icon set in " + source);
193 }
194 listener.iconEvent(lastEvent);
195 synchronized (listeners) {
196 listeners.add(listener);
197 }
198 }
199
200 public void removeIconListener(IconListener listener) {
201 synchronized (listeners) {
202 listeners.remove(listener);
203 }
204 }
205
206
211 synchronized public void setSource(Object source) {
212 if (this.source != null) {
213 throw new OddjobConstantException("Source can not be changed.");
214 }
215 this.source = source;
216 lastEvent = new IconEvent(source, lastEvent.getIconId());
217 }
218
219 private void writeObject(ObjectOutputStream s)
220 throws IOException {
221 s.defaultWriteObject();
222 }
223
224 private void readObject(ObjectInputStream s)
225 throws IOException , ClassNotFoundException {
226 s.defaultReadObject();
227 listeners = new ArrayList ();
228 iconMap = defaultIconMap;
229 }
230
231 public static IconTip getIconTip(String id) {
232 return (IconTip) defaultIconMap.get(id);
233 }
234 }
235 |
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