private MonthViewDayContainer CreateNewContainer()
{
var container = new MonthViewDayContainer();
freeContainers.Add(container);
NewContainerCreated?.Invoke(this, container);
return(container);
}
private void MonthViewPanel_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
{
selectionAnchor = null;
ResetSelection();
Mouse.Capture(this, CaptureMode.Element);
// Retrieve the coordinate of the mouse position.
Point point = e.GetPosition((UIElement)sender);
selectionAnchor = GetContaionerAtPoint(point);
selectionAnchor.IsSelected = true;
}
private MonthViewDayContainer GetContaionerAtPoint(Point point)
{
MonthViewDayContainer container = null;
// Perform the hit test against a given portion of the visual object tree.
HitTestResult result = VisualTreeHelper.HitTest(this, point);
if (result != null)
{
container = result.VisualHit as MonthViewDayContainer;
}
return(container);
}
public MonthViewDayContainer GetContainer(int dayNumber)
{
MonthViewDayContainer container = null;
// try to find container that is already used to that date
if (dateToContainerMapping.ContainsKey(dayNumber) == true)
{
var candidateContainer = dateToContainerMapping[dayNumber];
if (freeContainers.Contains(candidateContainer) == true)
{
freeContainers.Remove(candidateContainer);
container = candidateContainer;
}
}
// if not found just get container from free containers
if (container == null && freeContainers.Count > 0)
{
container = freeContainers.First();
freeContainers.Remove(container);
}
// if we still we don't have a container, create a new one
if (container == null)
{
container = CreateNewContainer();
allContainers.Add(container);
}
container.Day = dayNumber;
container.Visibility = System.Windows.Visibility.Visible;
if (dateToContainerMapping.ContainsKey(dayNumber) == false)
{
dateToContainerMapping.Add(dayNumber, container);
}
return(container);
}
private void MakeSelection(MonthViewDayContainer container)
{
bool selectionStarted = false;
foreach (var day in monthViewDayItems)
{
if (day != null)
{
if (selectionAnchor == container)
{
container.IsSelected = true;
}
else if (day == container || day == selectionAnchor)
{
selectionStarted = !selectionStarted;
}
day.IsSelected = selectionStarted;
}
}
selectionAnchor.IsSelected = true;
container.IsSelected = true;
}
private void ContainerCache_NewContainerCreated(object sender, MonthViewDayContainer e)
{
Children.Add(e);
}