public override void OnDrawItemText(CalendarRendererBoxEventArgs e)
{
CalendarItem item = e.Tag as CalendarItem;
if (item != null)
{
if (item.IsDragging)
{
e.TextColor = Colors.FromArgb(120, e.TextColor);
}
}
base.OnDrawItemText(e);
}
/// <summary>
/// Creates a new item on the current selection.
/// If there's no selection, this will be ignored.
/// </summary>
/// <param name="itemText">Text of the item</param>
/// <param name="editMode">If <c>true</c> activates the edit mode so user can edit the text of the item.</param>
public void CreateItemOnSelection(string itemText, bool editMode)
{
if (SelectedElementEnd == null || SelectedElementStart == null)
{
return;
}
CalendarTimeScaleUnit unitEnd = SelectedElementEnd as CalendarTimeScaleUnit;
CalendarDayTop dayTop = SelectedElementEnd as CalendarDayTop;
CalendarDay day = SelectedElementEnd as CalendarDay;
TimeSpan duration = unitEnd != null ? unitEnd.Duration : new TimeSpan(23, 59, 59);
CalendarItem item = new CalendarItem(this);
DateTime dstart = SelectedElementStart.Date;
DateTime dend = SelectedElementEnd.Date;
if (dend.CompareTo(dstart) < 0)
{
DateTime dtmp = dend;
dend = dstart;
dstart = dtmp;
}
item.StartDate = dstart;
item.EndDate = dend.Add(duration);
item.Text = itemText;
CalendarItemCancelEventArgs evtA = new CalendarItemCancelEventArgs(item);
OnItemCreating(evtA);
if (!evtA.Cancel)
{
Items.Add(item);
if (editMode)
{
_creatingItem = true;
ActivateEditMode(item);
}
}
}
/// <summary>
/// Returns a value indicating if the view range intersect the date range of the specified item
/// </summary>
/// <param name="item"></param>
public bool ViewIntersects(CalendarItem item)
{
return(ViewIntersects(item.StartDate, item.EndDate));
}
protected override void OnMouseMove(MouseEventArgs e)
{
base.OnMouseMove(e);
ICalendarSelectableElement hitted = HitTest(e.GetPosition(this), State != CalendarState.Idle);
CalendarItem hittedItem = hitted as CalendarItem;
CalendarDayTop hittedTop = hitted as CalendarDayTop;
bool shiftPressed = Keyboard.IsKeyDown(Key.LeftShift) || Keyboard.IsKeyDown(Key.RightShift);
if (hitted != null)
{
switch (State)
{
case CalendarState.Idle:
Cursor should = Cursors.Arrow;
if (hittedItem != null)
{
if ((hittedItem.ResizeEndDateZone(e.GetPosition(this)) || hittedItem.ResizeStartDateZone(e.GetPosition(this))) && AllowItemResize)
{
should = hittedItem.IsOnDayTop || DaysMode == CalendarDaysMode.Short ? Cursors.SizeWE : Cursors.SizeNS;
}
OnItemMouseHover(new CalendarItemEventArgs(hittedItem));
}
if (!Cursor.Equals(should))
{
Cursor = should;
}
break;
case CalendarState.DraggingTimeSelection:
if (SelectedElementStart != null && !SelectedElementEnd.Equals(hitted))
{
SelectedElementEnd = hitted;
}
break;
case CalendarState.DraggingItem:
TimeSpan duration = itemOnState.Duration;
itemOnState.SetIsDragging(true);
itemOnState.StartDate = hitted.Date;
itemOnState.EndDate = itemOnState.StartDate.Add(duration);
Renderer.PerformItemsLayout();
Invalidate();
itemOnStateChanged = true;
break;
case CalendarState.ResizingItem:
if (itemOnState.IsResizingEndDate && hitted.Date.CompareTo(itemOnState.StartDate) >= 0)
{
itemOnState.EndDate = hitted.Date.Add(hittedTop != null || DaysMode == CalendarDaysMode.Short ? new TimeSpan(23, 59, 59) : Days[0].TimeUnits[0].Duration);
}
else if (itemOnState.IsResizingStartDate && hitted.Date.CompareTo(itemOnState.EndDate) <= 0)
{
itemOnState.StartDate = hitted.Date;
}
Renderer.PerformItemsLayout();
Invalidate();
itemOnStateChanged = true;
break;
case CalendarState.EditingItemText:
break;
}
}
}
protected override void OnMouseLeftButtonDown(MouseButtonEventArgs e)
{
base.OnMouseLeftButtonDown(e);
ICalendarSelectableElement hitted = HitTest(e.GetPosition(this));
CalendarItem hittedItem = hitted as CalendarItem;
bool shiftPressed = Keyboard.IsKeyDown(Key.LeftShift) || Keyboard.IsKeyDown(Key.RightShift);
if (!Focused)
{
Focus();
}
switch (State)
{
case CalendarState.Idle:
if (hittedItem != null)
{
if (!shiftPressed)
{
ClearSelectedItems();
}
hittedItem.SetSelected(true);
Invalidate(hittedItem);
OnItemSelected(new CalendarItemEventArgs(hittedItem));
itemOnState = hittedItem;
itemOnStateChanged = false;
if (AllowItemEdit)
{
if (itemOnState.ResizeStartDateZone(e.GetPosition(this)) && AllowItemResize)
{
SetState(CalendarState.ResizingItem);
itemOnState.SetIsResizingStartDate(true);
}
else if (itemOnState.ResizeEndDateZone(e.GetPosition(this)) && AllowItemResize)
{
SetState(CalendarState.ResizingItem);
itemOnState.SetIsResizingEndDate(true);
}
else
{
SetState(CalendarState.DraggingItem);
}
}
SetSelectionRange(null, null);
}
else
{
ClearSelectedItems();
if (shiftPressed)
{
if (hitted != null && SelectedElementEnd == null && !SelectedElementEnd.Equals(hitted))
{
SelectedElementEnd = hitted;
}
}
else
{
if (SelectedElementStart == null || (hitted != null && !SelectedElementStart.Equals(hitted)))
{
SetSelectionRange(hitted, hitted);
}
}
SetState(CalendarState.DraggingTimeSelection);
}
break;
case CalendarState.DraggingTimeSelection:
break;
case CalendarState.DraggingItem:
break;
case CalendarState.ResizingItem:
break;
case CalendarState.EditingItemText:
break;
}
}
public CalendarRendererItemEventArgs(CalendarRendererEventArgs original, CalendarItem item)
: base(original)
{
_item = item;
}
/// <summary>
/// Creates a new <see cref="CalendarItemEventArgs"/>
/// </summary>
/// <param name="item">Related Item</param>
public CalendarItemEventArgs(CalendarItem item)
{
_item = item;
}
/// <summary>
/// Creates a new <see cref="CalendarItemEventArgs"/>
/// </summary>
/// <param name="item">Related Item</param>
public CalendarItemCancelEventArgs(CalendarItem item)
{
_item = item;
}
