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19 package org.lucane.applications.reunion;
20
21 import java.io.Serializable  ;
22 import java.util.Hashtable ;
23 import java.util.Iterator ;
24
25 public class ReunionUsersProperties
26 implements Serializable
27 {
28 private Hashtable users;
29 private ColorsManager colorsManager;
30
31 public ReunionUsersProperties() {
32 users = new Hashtable ();
33 colorsManager = new ReunionUsersProperties.ColorsManager();
34 }
35
36 public ReunionUserProperties addUser(String user) {
37 ReunionUserProperties rup = new ReunionUserProperties(user, colorsManager.getFgColor(), colorsManager.getBgColor());
38 colorsManager.moveToNextColor();
39 users.put(user, rup);
40 return rup;
41 }
42
43 public ReunionUserProperties removeUser(String user) {
44 return (ReunionUserProperties) users.remove(user);
45 }
46
47 public ReunionUserProperties getUserProperties(String user) {
48 return (ReunionUserProperties) users.get(user);
49 }
50
51 public Iterator getUsers()
52 {
53 return users.keySet().iterator();
54 }
55
56
57 class ColorsManager implements Serializable {
58 private final String [] FG_COLORS = {
59 "#444444",
60 "#880000",
61 "#008800",
62 "#000088",
63 "#884400",
64 "#880044",
65 "#008844",
66 "#448800",
67 "#440088",
68 "#004488"
69 };
70 private final String [] BG_COLORS = {
71 "#eeeeee",
72 "#ffdddd",
73 "#ddffdd",
74 "#ddddff",
75 "#ffeedd",
76 "#ffddee",
77 "#ddffee",
78 "#eeffdd",
79 "#eeddff",
80 "#ddeeff"
81 };
82 private int currentColorIndex=0;
83 private final int NUMBER_OF_COLORS=BG_COLORS.length;
84
85 public ColorsManager(){
86 }
87
88 public int moveToNextColor() {
89 currentColorIndex++;
90 if (currentColorIndex>=NUMBER_OF_COLORS) {
91 currentColorIndex=0;
92 }
93 return currentColorIndex;
94 }
95
96 public void moveToFirstColor() {
97 currentColorIndex=0;
98 }
99
100 public String getBgColor() {
101 return BG_COLORS[currentColorIndex];
102 }
103
104 public String getFgColor() {
105 return FG_COLORS[currentColorIndex];
106 }
107 }
108
109 }
110 |
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