/// <summary>
/// Deletes the currently selected item
/// </summary>
private void DeleteSelectedItems()
{
Stack <CalendarItem> toDelete = new Stack <CalendarItem>();
foreach (CalendarItem item in Items)
{
if (item.Selected)
{
CalendarItemCancelEventArgs evt = new CalendarItemCancelEventArgs(item);
OnItemDeleting(evt);
if (!evt.Cancel)
{
toDelete.Push(item);
}
}
}
if (toDelete.Count > 0)
{
while (toDelete.Count > 0)
{
CalendarItem item = toDelete.Pop();
Items.Remove(item);
OnItemDeleted(new CalendarItemEventArgs(item));
}
Renderer.PerformItemsLayout();
}
}
/// <summary>
/// Activates the edit mode on the specified item
/// </summary>
/// <param name="item"></param>
public void ActivateEditMode(CalendarItem item)
{
CalendarItemCancelEventArgs evt = new CalendarItemCancelEventArgs(item);
if (!_creatingItem)
{
OnItemEditing(evt);
}
if (evt.Cancel)
{
return;
}
_editModeItem = item;
TextBox = new CalendarTextBox(this);
TextBox.KeyDown += new KeyEventHandler(TextBox_KeyDown);
TextBox.LostFocus += new RoutedEventHandler(TextBox_LostFocus);
Rect r = item.Bounds;
r.Inflate(-2, -2);
TextBox.Margin = new Thickness(r.Left, r.Top, r.Right, r.Bottom);
// TextBox.BorderBrush = new Brush();
TextBox.Text = item.Text;
TextBox.TextWrapping = TextWrapping.Wrap;
AddLogicalChild(TextBox);
TextBox.Visibility = Visibility.Visible;
TextBox.Focus();
TextBox.SelectionStart = TextBox.Text.Length;
SetState(CalendarState.EditingItemText);
}
protected virtual void OnItemEdited(CalendarItemCancelEventArgs e)
{
if (ItemTextEdited != null)
{
ItemTextEdited(this, e);
}
}
protected virtual void OnItemDeleting(CalendarItemCancelEventArgs e)
{
if (ItemDeleting != null)
{
ItemDeleting(this, e);
}
}
/// <summary>
/// Finalizes editing the <see cref="EditModeItem"/>.
/// </summary>
/// <param name="cancel">Value indicating if edition of item should be canceled.</param>
public void FinalizeEditMode(bool cancel)
{
if (!EditMode || EditModeItem == null || _finalizingEdition)
{
return;
}
_finalizingEdition = true;
string cancelText = _editModeItem.Text;
CalendarItem itemBuffer = _editModeItem;
_editModeItem = null;
CalendarItemCancelEventArgs evt = new CalendarItemCancelEventArgs(itemBuffer);
if (!cancel)
{
itemBuffer.Text = TextBox.Text.Trim();
}
if (TextBox != null)
{
TextBox.Visibility = Visibility.Collapsed;
RemoveLogicalChild(TextBox);
TextBox.Dispose();
}
if (_editModeItem != null)
{
Invalidate(itemBuffer);
}
_textBox = null;
if (_creatingItem)
{
OnItemCreated(evt);
}
else
{
OnItemEdited(evt);
}
if (evt.Cancel)
{
itemBuffer.Text = cancelText;
}
_creatingItem = false;
_finalizingEdition = false;
if (State == CalendarState.EditingItemText)
{
SetState(CalendarState.Idle);
}
}
/// <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);
}
}
}
