Adding ability to change firstDay option

src/Calendar.js

@@ -517,6 +517,9 @@ function Calendar(element, options, eventSources, resourceSources) {
 			options[name] = value;
 			updateSize();
 		}
+		if (name == 'firstDay') {
+		    options[name] = value;
+		}
 	}
 
 

src/agenda/Agenda2DayView.js

@@ -0,0 +1,45 @@
+fcViews.agenda2Day = Agenda2DayView;
+
+function Agenda2DayView(element, calendar) {
+    var t = this;
+
+
+    // exports
+    t.render = render;
+
+
+    // imports
+    AgendaView.call(t, element, calendar, 'agenda2Day');
+    var opt = t.opt;
+    var renderAgenda = t.renderAgenda;
+    var formatDates = calendar.formatDates;
+
+
+
+    function render(date, delta) {
+        if (delta) {
+            addDays(date, delta * 2);
+        }
+        var start = addDays(cloneDate(date), -((date.getDay() - opt('firstDay') + 2) % 2));
+        var end = addDays(cloneDate(start), 2);
+        var visStart = cloneDate(start);
+        var visEnd = cloneDate(end);
+        var weekends = opt('weekends');
+        if (!weekends) {
+            skipWeekend(visStart);
+            skipWeekend(visEnd, -1, true);
+        }
+        t.title = formatDates(
+            visStart,
+            addDays(cloneDate(visEnd), -1),
+            opt('titleFormat')
+        );
+        t.start = start;
+        t.end = end;
+        t.visStart = visStart;
+        t.visEnd = visEnd;
+        renderAgenda(weekends ? 2 : 0);
+    }
+}
+
+

src/agenda/Agenda3DayView.js

@@ -0,0 +1,45 @@
+fcViews.agenda3Day = Agenda3DayView;
+
+function Agenda3DayView(element, calendar) {
+    var t = this;
+
+
+    // exports
+    t.render = render;
+
+
+    // imports
+    AgendaView.call(t, element, calendar, 'agenda3Day');
+    var opt = t.opt;
+    var renderAgenda = t.renderAgenda;
+    var formatDates = calendar.formatDates;
+
+
+
+    function render(date, delta) {
+        if (delta) {
+            addDays(date, delta * 3);
+        }
+        var start = addDays(cloneDate(date), -((date.getDay() - opt('firstDay') + 3) % 3));
+        var end = addDays(cloneDate(start), 3);
+        var visStart = cloneDate(start);
+        var visEnd = cloneDate(end);
+        var weekends = opt('weekends');
+        if (!weekends) {
+            skipWeekend(visStart);
+            skipWeekend(visEnd, -1, true);
+        }
+        t.title = formatDates(
+            visStart,
+            addDays(cloneDate(visEnd), -1),
+            opt('titleFormat')
+        );
+        t.start = start;
+        t.end = end;
+        t.visStart = visStart;
+        t.visEnd = visEnd;
+        renderAgenda(weekends ? 3 : 1);
+    }
+}
+
+