* Bind computeEndDate to delta in productplan-edit.

module/productplan/js/edit.ui.js

@@ -11,3 +11,44 @@ function toggleDateVisibility()
         $('#end').removeAttr('disabled').closest('.form-row').show();
     }
 }
+
+/**
+ * Convert a date string like 2011-11-11 to date object in js.
+ *
+ * @param  string $date
+ * @access public
+ * @return date
+ */
+function convertStringToDate(dateString)
+{
+    dateString = dateString.split('-');
+    dateString = dateString[1] + '/' + dateString[2] + '/' + dateString[0];
+
+    return Date.parse(dateString);
+}
+
+/**
+ * Compute the end date for productplan.
+ *
+ * @param  int    $delta
+ * @access public
+ * @return void
+ */
+function computeEndDate(delta)
+{
+    var beginDate = $('#begin').val();
+    if(!beginDate) return;
+
+    var delta = parseInt(delta);
+    beginDate = convertStringToDate(beginDate);
+    if((delta == 7 || delta == 14) && (beginDate.getDay() == 1))
+    {
+        delta = (weekend == 2) ? (delta - 2) : (delta - 1);
+    }
+
+    var currentBeginDate = window.zui.formatDate(beginDate, 'yyyy-MM-dd');
+    var endDate = window.zui.formatDate(beginDate.addDays(delta - 1), 'yyyy-MM-dd');
+
+    $('#begin').val(currentBeginDate);
+    $('#end').val(endDate).datetimepicker('update');
+}

module/productplan/ui/edit.html.php

@@ -15,6 +15,7 @@ namespace zin;
 formPanel
 (
     set::title($lang->productplan->edit),
+    on::change('.radio-primary > input', 'computeEndDate'),
     on::change('#future_', 'toggleDateVisibility'),
     formGroup
     (