1 files changed, 93 insertions, 0 deletions
diff --git a/kalarm/recurrenceedit.cpp b/kalarm/recurrenceedit.cpp
index 4a39022e4..1389f54e4 100644
--- a/kalarm/recurrenceedit.cpp
+++ b/kalarm/recurrenceedit.cpp
@@ -531,6 +531,99 @@ void RecurrenceEdit::activateSubRepetition()
 }
 
 /******************************************************************************
+* For weekly, monthly and yearly recurrence, checks that the specified date
+* matches the days allowed. For the other recurrence simply return true.
+*/
+bool RecurrenceEdit::validateDate(const DateTime &date) const
+{
+  if (mRuleButtonType == RecurrenceEdit::DAILY)
+  {
+    TQBitArray selectedDays = mDailyRule->days();
+    if (!selectedDays[date.date().dayOfWeek()-1])
+      return false;
+  }
+  else if (mRuleButtonType == RecurrenceEdit::WEEKLY)
+  {
+    TQBitArray selectedDays = mWeeklyRule->days();
+    if (!selectedDays[date.date().dayOfWeek()-1])
+      return false;
+  }
+  else if (mRuleButtonType == RecurrenceEdit::MONTHLY)
+  {
+    if (mMonthlyRule->type() == MonthYearRule::DATE)
+    {
+      // on the nth day of the month
+      int comboDate = mMonthlyRule->date();
+      if ((comboDate > 0 && date.date().day() != comboDate) ||
+          (comboDate <=0 && date.date().day() != date.date().daysInMonth()))
+        return false;
+    }
+    else
+    {
+      // on the nth weekday (i.e. Monday) of the month
+      if (date.date().dayOfWeek() != mMonthlyRule->dayOfWeek())
+        return false;
+
+      int monthDay = date.date().day();
+      int weekNum = mMonthlyRule->week();
+      int minDay = 0, maxDay = 0;
+      if (weekNum > 0 )
+      {
+        minDay = (weekNum-1) * 7;
+        maxDay = weekNum * 7;
+      }
+      else if (weekNum < 0)
+      {
+        int dim = date.date().daysInMonth();
+        minDay = dim + weekNum * 7;
+        maxDay = dim + (weekNum+1) * 7;
+      }
+      if (monthDay <= minDay || monthDay > maxDay)
+        return false;
+    }
+  }
+  else if (mRuleButtonType == RecurrenceEdit::ANNUAL)
+  {
+		TQValueList<int> months = mYearlyRule->months();
+    if (!months.contains(date.date().month()))
+      return false;
+
+    if (mYearlyRule->type() == MonthYearRule::DATE)
+    {
+      // on the nth day of the month
+      int comboDate = mYearlyRule->date();
+      if ((comboDate > 0 && date.date().day() != comboDate) ||
+          (comboDate <=0 && date.date().day() != date.date().daysInMonth()))
+        return false;
+    }
+    else
+    {
+      // on the nth weekday (i.e. Monday) of the month
+      if (date.date().dayOfWeek() != mYearlyRule->dayOfWeek())
+        return false;
+
+      int monthDay = date.date().day();
+      int weekNum = mYearlyRule->week();
+      int minDay = 0, maxDay = 0;
+      if (weekNum > 0 )
+      {
+        minDay = (weekNum-1) * 7;
+        maxDay = weekNum * 7;
+      }
+      else if (weekNum < 0)
+      {
+        int dim = date.date().daysInMonth();
+        minDay = dim + weekNum * 7;
+        maxDay = dim + (weekNum+1) * 7;
+      }
+      if (monthDay <= minDay || monthDay > maxDay)
+        return false;
+    }
+  }
+  return true;
+}
+
+/******************************************************************************
  * Called when the value of the repeat count field changes, to reset the
  * minimum value to 1 if the value was 0.
  */