Changeset 4044 for ssme/trunk/flex/Common/src/com/kh/ssme/util/DateUtil.as

Timestamp:

08/17/10 13:00:24 (21 months ago)

Author:

mszopinski

Message:

calendar, simple month display

Files:

• ssme/trunk/flex/Common/src/com/kh/ssme/util/DateUtil.as (modified) (2 diffs)

ssme/trunk/flex/Common/src/com/kh/ssme/util/DateUtil.as

@@ -32 +32 @@
 
         private var date_:Date;
+        public static const MILLISECOND_PER_SECOND:int = 1000;
+        public static const MILLISECOND_PER_MINUTE:int = 1000 * 60;
+        public static const MILLISECOND_PER_HOUR:int   = 1000 * 60 * 60;
+        public static const MILLISECOND_PER_DAY:int    = 1000 * 60 * 60 * 24;        
+
 
         public function DateUtil(date:Date) {
@@ -61 +66 @@
             date_[field.property] -= value;
             return this;
+        }
+
+        /**
+         * Returns the difference between this object and given one in provided units
+         * Difference is calculated as FLOOR(this - dateUtil)
+         * @param dateUtil - DateUtil instance to be compared
+         * @param units - Type of unit to be used while calculation, one of MILLISECONDS, SECONDS, MINUTES, HOURS, DAY/DATE
+         * @return
+         */
+        public function diff(dateUtil:DateUtil, units:DateProperty):Number{
+            var difference:Number = this.date_.time - dateUtil.timestamp;
+            if(DateProperty.MILLISECONDS.equals(units)){
+                return difference;
+            } else if(DateProperty.SECONDS.equals(units)){
+                return Math.floor( difference/MILLISECOND_PER_SECOND );
+            } else if(DateProperty.MINUTES.equals(units)){
+                return Math.floor( difference/MILLISECOND_PER_MINUTE );
+            } else if(DateProperty.HOURS.equals(units)){
+                return Math.floor( difference/MILLISECOND_PER_HOUR );
+            } else if(DateProperty.DAY.equals(units) || DateProperty.DATE.equals(units)){
+                return Math.floor( difference/MILLISECOND_PER_DAY );
+            }
+            return 0;
         }