Bug fix in Basic class, add method to basic class, flatpickr add

- Bug in date/time check in Basic class. Time check was invalid
- Add calcDaysInterval to get days between two dates plus weeki days
and weekend days
- Add flatpickr to replace datepickr and move datepickr init function
into separate file (from edit.*.js)

www/layout/admin/javascript/datepickr/datepickr.init.js

@@ -0,0 +1,20 @@
+/* only used for datepickr */
+
+// METHOD: initDatepickr
+// PARAMS: initial date ID (#)
+// RETURN: true on ok, false on failure
+// DESC  : inits date pickr which translations for dates (week/month)
+function initDatepickr(init_date)
+{
+	if ($(init_date)) {
+		datepickr('#' + init_date); // we need to add this so we have it initialized before we can actually change the definitions
+		// dates in japanese
+		datepickr.prototype.l10n.months.shorthand = [__('Jan'), __('Feb'), __('Mar'), __('Apr'), __('May'), __('Jun'), __('Jul'), __('Aug'), __('Sep'), __('Oct'), __('Nov'), __('Dec')];
+		datepickr.prototype.l10n.months.longhand = [__('January'), __('February'), __('March'), __('April'), __('May'), __('June'), __('July'), __('August'), __('September'), __('October'), __('November'), __('December')];
+		datepickr.prototype.l10n.weekdays.shorthand = [__('Mon'), __('Tue'), __('Wed'), __('Thu'), __('Fri'), __('Sat'), __('Sun')];
+		datepickr.prototype.l10n.weekdays.longhand = [__('Monday'), __('Tuesday'), __('Wednesday'), __('Thursday'), __('Friday'), __('Saturday'), __('Sunday')];
+		return true;
+	} else {
+		return false;
+	}
+}

www/layout/admin/javascript/edit.jq.js

@@ -659,25 +659,6 @@ function html_options_refill(name, data, sort = '')
 	}
 }
 
-// METHOD: initDatepickr
-// PARAMS: initial date ID (#)
-// RETURN: true on ok, false on failure
-// DESC  : inits date pickr which translations for dates (week/month)
-function initDatepickr(init_date)
-{
-	if (document.getElementById(init_date)) {
-		datepickr('#' + init_date); // we need to add this so we have it initialized before we can actually change the definitions
-		// dates in japanese
-		datepickr.prototype.l10n.months.shorthand = [__('Jan'), __('Feb'), __('Mar'), __('Apr'), __('May'), __('Jun'), __('Jul'), __('Aug'), __('Sep'), __('Oct'), __('Nov'), __('Dec')];
-		datepickr.prototype.l10n.months.longhand = [__('January'), __('February'), __('March'), __('April'), __('May'), __('June'), __('July'), __('August'), __('September'), __('October'), __('November'), __('December')];
-		datepickr.prototype.l10n.weekdays.shorthand = [__('Mon'), __('Tue'), __('Wed'), __('Thu'), __('Fri'), __('Sat'), __('Sun')];
-		datepickr.prototype.l10n.weekdays.longhand = [__('Monday'), __('Tuesday'), __('Wednesday'), __('Thursday'), __('Friday'), __('Saturday'), __('Sunday')];
-		return true;
-	} else {
-		return false;
-	}
-}
-
 // *** MASTER logout call
 // METHOD: loginLogout
 // PARAMS: none

www/layout/admin/javascript/edit.pt.js

@@ -737,25 +737,6 @@ function html_options_refill(name, data, sort = '')
 	}
 }
 
-// METHOD: initDatepickr
-// PARAMS: initial date ID (#)
-// RETURN: true on ok, false on failure
-// DESC  : inits date pickr which translations for dates (week/month)
-function initDatepickr(init_date)
-{
-	if ($(init_date)) {
-		datepickr('#' + init_date); // we need to add this so we have it initialized before we can actually change the definitions
-		// dates in japanese
-		datepickr.prototype.l10n.months.shorthand = [__('Jan'), __('Feb'), __('Mar'), __('Apr'), __('May'), __('Jun'), __('Jul'), __('Aug'), __('Sep'), __('Oct'), __('Nov'), __('Dec')];
-		datepickr.prototype.l10n.months.longhand = [__('January'), __('February'), __('March'), __('April'), __('May'), __('June'), __('July'), __('August'), __('September'), __('October'), __('November'), __('December')];
-		datepickr.prototype.l10n.weekdays.shorthand = [__('Mon'), __('Tue'), __('Wed'), __('Thu'), __('Fri'), __('Sat'), __('Sun')];
-		datepickr.prototype.l10n.weekdays.longhand = [__('Monday'), __('Tuesday'), __('Wednesday'), __('Thursday'), __('Friday'), __('Saturday'), __('Sunday')];
-		return true;
-	} else {
-		return false;
-	}
-}
-
 // *** MASTER logout call
 // METHOD: loginLogout
 // PARAMS: none

www/layout/admin/javascript/flatpickr/flatpickr.ja.js

@@ -0,0 +1,66 @@
+(function (global, factory) {
+  typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :
+  typeof define === 'function' && define.amd ? define(['exports'], factory) :
+  (global = global || self, factory(global.ja = {}));
+}(this, function (exports) { 'use strict';
+
+  var fp = typeof window !== "undefined" && window.flatpickr !== undefined
+      ? window.flatpickr
+      : {
+          l10ns: {}
+      };
+  var Japanese = {
+      weekdays: {
+          shorthand: ["日", "月", "火", "水", "木", "金", "土"],
+          longhand: [
+              "日曜日",
+              "月曜日",
+              "火曜日",
+              "水曜日",
+              "木曜日",
+              "金曜日",
+              "土曜日",
+          ]
+      },
+      months: {
+          shorthand: [
+              "1月",
+              "2月",
+              "3月",
+              "4月",
+              "5月",
+              "6月",
+              "7月",
+              "8月",
+              "9月",
+              "10月",
+              "11月",
+              "12月",
+          ],
+          longhand: [
+              "1月",
+              "2月",
+              "3月",
+              "4月",
+              "5月",
+              "6月",
+              "7月",
+              "8月",
+              "9月",
+              "10月",
+              "11月",
+              "12月",
+          ]
+      },
+      time_24hr: true,
+      rangeSeparator: ' から '
+  };
+  fp.l10ns.ja = Japanese;
+  var ja = fp.l10ns;
+
+  exports.Japanese = Japanese;
+  exports.default = ja;
+
+  Object.defineProperty(exports, '__esModule', { value: true });
+
+}));