Added showFirstDayOfWeekFirst attribute + bugfix

Author: Luca Castenetto

library/src/main/java/com/alamkanak/weekview/WeekView.java

@@ -92,6 +92,7 @@ private enum Direction {
     private boolean mIsZooming;
     private Calendar mFirstVisibleDay;
     private Calendar mLastVisibleDay;
+    private boolean mshowFirstDayOfWeekFirst = false;
     private int mDefaultEventColor;
     private int mMinimumFlingVelocity = 0;
     private int mScaledTouchSlop = 0;
@@ -536,8 +537,8 @@ private void drawHeaderRowAndEvents(Canvas canvas) {
             mIsFirstDraw = false;
 
             // If the week view is being drawn for the first time, then consider the first day of the week.
-            if(mNumberOfVisibleDays >= 7 && today.get(Calendar.DAY_OF_WEEK) != mFirstDayOfWeek) {
-                int difference = 7 + (today.get(Calendar.DAY_OF_WEEK) - mFirstDayOfWeek);
+            if(mNumberOfVisibleDays >= 7 && today.get(Calendar.DAY_OF_WEEK) != mFirstDayOfWeek && mshowFirstDayOfWeekFirst) {
+                int difference = (today.get(Calendar.DAY_OF_WEEK) - mFirstDayOfWeek);
                 mCurrentOrigin.x += (mWidthPerDay + mColumnGap) * difference;
             }
         }
@@ -1339,6 +1340,14 @@ public void setFirstDayOfWeek(int firstDayOfWeek) {
         invalidate();
     }
 
+    public boolean isShowFirstDayOfWeekFirst() {
+        return mshowFirstDayOfWeekFirst;
+    }
+
+    public void setShowFirstDayOfWeekFirst(boolean show) {
+        mshowFirstDayOfWeekFirst = show;
+    }
+
     public int getTextSize() {
         return mTextSize;
     }