finish add/update event page

src/static/js/datetime.js

@@ -1,3 +1,4 @@
+// NOTE: this file is sync with dt.py. if this file or dt.py have bugs, all code should be changed
 ccn_datetime_monthDayCount = [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31];
 
 ccn_datetime_MIN_YEAR = 1950;
@@ -47,15 +48,16 @@ function ccn_datetime_ResolveLoopRules4UI(strl) {
     var loopStopRules = undefined;
 
     if (ccn_datetime_precompiledLoopRules.year.test(sp[0])) {
-        loopRules = [1, RegExp.$1 == 'S', parseInt(RegExp.$2)];
+        loopRules = [0, RegExp.$1 == 'S', parseInt(RegExp.$2)];
     } else if (ccn_datetime_precompiledLoopRules.month.test(sp[0])) {
-        loopRules = [2, RegExp.$1 == 'S', RegExp.$2, parseInt(RedExp.$3)];
+        loopRules = [1, RegExp.$1 == 'S', RegExp.$2, parseInt(RedExp.$3)];
     } else if (ccn_datetime_precompiledLoopRules.week.test(sp[0])) {
-        loopRules = [3];
-        for (index in RegExp.$1) loopRules.push(RegExp.$1[index] == 'T');
+        loopRules = [2];
+        for (var i = 0; i < 7; i++)
+            loopRules.push(RegExp.$1[i] == 'T');
         loopRules.push(parseInt(RegExp.$2));
     } else if (ccn_datetime_precompiledLoopRules.day.test(sp[0])) {
-        loopRules = [4, parseInt(RegExp.$1)];
+        loopRules = [3, parseInt(RegExp.$1)];
     } else return undefined;
 
 
@@ -74,6 +76,71 @@ function ccn_datetime_ResolveLoopRules4Event(strl) {
     return undefined;
 }
 
+function ccn_datetime_LeapYearCountEx(endYear, includeThis, baseYear, includeBase) {
+    if (!includeThis) endYear--;
+    if (includeBase) baseYear--;
+
+    var endly = Math.floor(endYear / 4);
+    endly -= Math.floor(endYear / 100);
+    endly += Math.floor(endYear / 400);
+
+    var basely = Math.floor(baseYear / 4);
+    basely -= Math.floor(baseYear / 100);
+    basely += Math.floor(baseYear / 400);
+
+    return (endly - basely);
+}
+
+function ccn_datetime_DaysCount(year, month, day) {
+    var ly = ccn_datetime_LeapYearCountEx(year, false, 1, true);
+    var days = 365 * (year - 1);
+    days += ly;
+
+    for(var index = 1; index < month; index++)
+        days += ccn_datetime_monthDayCount[index - 1];
+
+    if (month > 2 && ccn_datetime_IsLeapYear(year))
+        days += 1;
+
+    days += day - 1;
+    return days;
+}
+
+function ccn_datetime_DayOfWeek(year, month, day) {
+    return ccn_datetime_DaysCount(year, month, day) % 7;
+}
+
+function ccn_datetime_GetDayInMonth(year, month, day) {
+    var days = ccn_datetime_monthDayCount[month - 1] + ((month == '2' && ccn_datetime_IsLeapYear(year)) ? 1 : 0);
+    var firstDayOfWeek = ccn_datetime_DayOfWeek(year, month, 1);
+    var dayOfWeek = (firstDayOfWeek + day - 1) % 7;
+
+    var dayForwards = day;
+    var dayBackwards = days - day + 1;
+
+    var weeksForward = Math.floor((dayForwards - 1) / 7) + 1;
+    var weeksBackwards = Math.floor((dayBackwards - 1) / 7) + 1;
+
+    return [dayForwards, dayBackwards, weeksForward, dayOfWeek, weeksBackwards, dayOfWeek];
+}
+
+function ccn_datetime_GetMonthWeekStatistics(year, month) {
+    var days = ccn_datetime_monthDayCount[month - 1] + ((month == '2' && ccn_datetime_IsLeapYear(year)) ? 1 : 0);
+    var firstDayOfWeek = ccn_datetime_DayOfWeek(year, month, 1);
+    var lastDayOfWeek = (firstDayOfWeek + days - 1) % 7;
+
+    var result = [4, 4, 4, 4, 4, 4, 4];
+    var remain = days % 7;
+    var week = firstDayOfWeek;
+    while (remain > 0) {
+        result[week % 7] += 1;
+        week++;
+        remain--;
+    }
+
+    return result;
+}
+
 function ccn_datetime_IsLeapYear(year) {
     var isLeap = false;
     if (year % 4 == 0) isLeap = true;