/// <summary>
/// Invoked when the item currently displayed changes.
/// </summary>
/// <param name="sender">The FlipView instance for which the current item has changed.</param>
/// <param name="e">Event data that describes how the current item was changed.</param>
void FlipView_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
// Enable the previous and next buttons as appropriate
try
{
this.DefaultViewModel["CanFlipNext"] = this.flipView.Items != null && this.flipView.SelectedIndex < (this.flipView.Items.Count - 1);
this.DefaultViewModel["CanFlipPrevious"] = this.flipView.SelectedIndex > 0;
SampleDataItem item = this.flipView.Items[this.flipView.SelectedIndex] as SampleDataItem;
this.pageTitle.Text = "Hindu Calendar - " + item.Title + " " + item.Year.ToString();
this.cityTitle.Text = item.Group.city._Name;
FlipViewItem selectedFlipViewItem = (FlipViewItem)this.flipView.ItemContainerGenerator.ContainerFromIndex(flipView.SelectedIndex);
if (selectedFlipViewItem != null)
{
if (_currentHighlightedDateItem != null)
{
_currentHighlightedDateItem.HighlightBorder(false);
}
_currentHighlightedDateItem = null;
Grid monthView = (Grid)FindNamedElement(selectedFlipViewItem, "monthView");
int month = ((flipView.SelectedIndex) % 12) + 1;
BuildCalendar(monthView, month, item);
Debug.Assert(_currentHighlightedDateItem != null);
DayViewGridStoryboard.Begin();
}
}
catch (ArgumentException exc)
{
Debug.WriteLine("Exception is " + exc.Message);
Debug.Assert(false);
}
}
private void dateItem_PointerReleased(object sender, PointerRoutedEventArgs e)
{
DateItem dateItem = sender as DateItem;
// If its a mouse click look for left mouse button click
if (e.Pointer.PointerDeviceType == Windows.Devices.Input.PointerDeviceType.Mouse)
{
Windows.UI.Input.PointerPoint currentPoint = e.GetCurrentPoint(dateItem);
Windows.UI.Input.PointerUpdateKind kind = currentPoint.Properties.PointerUpdateKind;
if (kind != Windows.UI.Input.PointerUpdateKind.LeftButtonReleased)
{
return;
}
}
// If the user clicks on the empty squares skip
if (dateItem.GetDay() > 0)
{
try
{
SampleDataItem item = this.flipView.Items[this.flipView.SelectedIndex] as SampleDataItem;
int month = ((flipView.SelectedIndex) % 12) + 1;
ShowDetail(month, dateItem.GetDay(), item);
dateItem.HighlightBorder(true);
DateItem oldItem = _currentHighlightedDateItem;
if (oldItem != null)
{
oldItem.HighlightBorder(false);
}
_currentHighlightedDateItem = dateItem;
}
catch (ArgumentOutOfRangeException err)
{
Debug.WriteLine("Argument out of range" + err);
}
}
}
private void BuildCalendar(Grid monthView, int month, SampleDataItem item)
{
int row, col;
DateItem[,] dateItems;
if (monthView.Tag == null)
{
dateItems = new DateItem[numRows, numCols];
for (row = 0; row < numRows; row++)
{
for (col = 0; col < numCols; col++)
{
DateItem dateItem = new DateItem();
dateItem.SetValue(Grid.RowProperty, row);
dateItem.SetValue(Grid.ColumnProperty, col);
monthView.Children.Add(dateItem);
dateItems[row, col] = dateItem;
if (row == 0)
{
DayOfWeek day = (DayOfWeek)col;
dateItem.SetDay(_dayStrings[(int)day]);
}
else
{
dateItem.SetDay(" ");
dateItem.PointerReleased += dateItem_PointerReleased;
}
}
}
monthView.Tag = dateItems;
}
// collapse them all to be opened later
dateItems = (DateItem[, ])monthView.Tag;
for (row = 1; row < numRows; row++)
{
for (col = 0; col < numCols; col++)
{
dateItems[row, col].Visibility = Visibility.Collapsed;
}
}
String previousTamilMonth, tamilMonth;
String previousSanskritMonth, sanskritMonth;
String previousPaksha, paksha;
bool fullMoonDayFound = false;
bool newMoonDayFound = false;
DateItem currentDateItem = null;
row = 1;
previousTamilMonth = null;
previousSanskritMonth = null;
previousPaksha = "";
tamilMonthTitle.Text = "";
sanskritMonthTitle.Text = "";
for (int day = 1; day <= 31; day++)
{
DateTime dateTime;
try
{
dateTime = new DateTime(item.Year, month, day);
col = (int)dateTime.DayOfWeek;
String festival, nakshatra;
bool isNewMoonDay, isFullMoonDay;
bool highlight;
item.GetDateData(month, day, out isNewMoonDay, out isFullMoonDay, out festival, out paksha, out nakshatra, out tamilMonth);
PanchangData pdata = item.GetPanchangData(month, day);
sanskritMonth = pdata._fieldValues[(int)FieldType.SanskritMonth];
if (isNewMoonDay)
{
newMoonDayFound = true;
}
if (isFullMoonDay)
{
fullMoonDayFound = true;
}
// Sometimes the tithi changes in the middle of the day and is not captured. Lets fix it here
if ((previousPaksha.Contains("Shukla") == true) && (paksha.Contains("Krishna") == true) && (fullMoonDayFound == false))
{
// Set the previous item to full moon day
currentDateItem.SetDay(currentDateItem.GetDay(), false, true, null, null, "KeepExisting");
}
// Sometimes the tithi changes in the middle of the day and is not captured. Lets fix it here
if ((previousPaksha.Contains("Krishna") == true) && (paksha.Contains("Shukla") == true) && (newMoonDayFound == false))
{
// Set the previous item to new moon day
currentDateItem.SetDay(currentDateItem.GetDay(), true, false, null, null, "KeepExisting");
}
previousPaksha = paksha;
currentDateItem = dateItems[row, col];
PrivateEvent evt = null;
if (_privateEvents != null)
{
evt = _privateEvents.GetFirstEventForDate(dateTime);
}
if (evt != null)
{
currentDateItem.SetDay(day,
isNewMoonDay, isFullMoonDay, evt._eventText, null, nakshatra);
}
else
{
currentDateItem.SetDay(day,
isNewMoonDay, isFullMoonDay, festival, null, nakshatra);
}
currentDateItem.Visibility = Visibility.Visible;
if (String.Equals(previousTamilMonth, tamilMonth, StringComparison.OrdinalIgnoreCase) == false)
{
tamilMonthTitle.Text += (previousTamilMonth == null) ? tamilMonth : ("-" + tamilMonth);
previousTamilMonth = tamilMonth;
}
if (String.Equals(previousSanskritMonth, sanskritMonth, StringComparison.OrdinalIgnoreCase) == false)
{
sanskritMonthTitle.Text += ((previousSanskritMonth == null) ? sanskritMonth : ("-" + sanskritMonth.Trim()));
previousSanskritMonth = sanskritMonth;
}
highlight = false;
// If its the curent month then highlight the current day
if (month == DateTime.Today.Month)
{
if (day == DateTime.Today.Day)
{
// Highlight today
highlight = true;
}
}
else if (day == 1)
{
// Highlight the first day of some other month
highlight = true;
}
if (highlight)
{
currentDateItem.HighlightBorder(true);
ShowDetail(month, day, item);
_currentHighlightedDateItem = currentDateItem;
}
if (col == (numCols - 1))
{
row++;
if (row == numRows)
{
row = 1; // Reset it back to the first row. Provides a foldable calender
}
}
}
catch (ArgumentOutOfRangeException)
{
}
}
}