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1
19 package org.lucane.applications.calendar.util;
20
21 import java.util.*;
22 import org.lucane.applications.calendar.*;
23
24 public class CalendarUtils
25 {
26 public static int getFirstDayOfMonth(Calendar c, boolean sundayFirst)
27 {
28 Calendar clone = (Calendar)c.clone();
29 clone.set(Calendar.DAY_OF_MONTH, 1);
30
31 int res = clone.get(Calendar.DAY_OF_WEEK) - Calendar.MONDAY;
34 if(sundayFirst)
35 res = clone.get(Calendar.DAY_OF_WEEK) - Calendar.SUNDAY;
36
37 return res < 0 ? 6 : res;
38 }
39
40 public static int getDaysOfMonth(Calendar c)
41 {
42 return c.getActualMaximum(Calendar.DAY_OF_MONTH);
43 }
44
45 public static ArrayList[] dispatchEventsInMonth(Calendar calendar, Iterator events, boolean sundayFirst)
46 {
47 ArrayList[] list = new ArrayList[42];
48 for(int i=0;i<list.length;i++)
49 list[i] = new ArrayList();
50
51 int day = getFirstDayOfMonth(calendar, sundayFirst);
52 int max = getDaysOfMonth(calendar);
53 Calendar clone = (Calendar)calendar.clone();
54
55 while(events.hasNext())
56 {
57 Event event = (Event)events.next();
58
59 long start = event.getStartDate().getTime();
60 if(start < calendar.getTimeInMillis())
61 start = calendar.getTimeInMillis();
62 clone.setTimeInMillis(start);
63 int dayOfMonth = clone.get(Calendar.DAY_OF_MONTH);
64
65 long duration = event.getEndDate().getTime() - start;
66 int dayLength = 24*60*60*1000;
67 for(int i=0;i*dayLength<=duration;i++)
68 {
69 int dayIndex = i + dayOfMonth + day -1;
70 if(dayIndex > max)
71 break;
72
73 list[dayIndex].add(event);
74 }
75 }
76
77 return list;
78 }
79
80 public static ArrayList[] dispatchEventsInWeek(Calendar calendar, Iterator events, boolean sundayFirst)
81 {
82 ArrayList[] list = new ArrayList[7];
83 for(int i=0;i<list.length;i++)
84 list[i] = new ArrayList();
85
86 Calendar clone = (Calendar)calendar.clone();
87 if(sundayFirst)
88 clone.set(Calendar.DAY_OF_WEEK, Calendar.SUNDAY);
89 else
90 clone.set(Calendar.DAY_OF_WEEK, Calendar.MONDAY);
91 clone.set(Calendar.HOUR_OF_DAY, 0);
92 clone.set(Calendar.MINUTE, 0);
93
94 Calendar startC = Calendar.getInstance();
95 Calendar endC = Calendar.getInstance();
96
97 while(events.hasNext())
98 {
99 Event e = (Event)events.next();
100 startC.setTime(e.getStartDate());
101 endC.setTime(e.getEndDate());
102
103 Calendar dayStart = Calendar.getInstance();
104 Calendar dayEnd = Calendar.getInstance();
105 dayStart.setTime(clone.getTime());
106 dayEnd.setTime(clone.getTime());
107 dayEnd.add(Calendar.DAY_OF_YEAR, 1);
108
109 for(int d=0;d<7;d++)
110 {
111 if(startC.after(dayStart) && startC.before(dayEnd))
112 list[d].add(e);
113 else if(endC.after(dayStart) && endC.before(dayEnd))
114 list[d].add(e);
115 else if(startC.before(dayStart) && endC.after(dayEnd))
116 list[d].add(e);
117
118 dayStart.add(Calendar.DAY_OF_YEAR, 1);
119 dayEnd.add(Calendar.DAY_OF_YEAR, 1);
120 }
121 }
122
123 return list;
124 }
125 }
126
127 |
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