/// <summary>
/// Clears the current selection
/// </summary>
public void ClearSelected()
{
foreach (ItemViewerItem item in _selectedItems)
{
item.IsSelected = false;
}
_selectedItems.Clear();
_selected = null;
}
private void SetChildEvents(ItemViewerItem item)
{
item.Loaded -= new RoutedEventHandler(Element_Loaded);
item.ItemSelected -= new ItemViewerEventHandler(ItemViewer_ItemSelected);
item.EditingFinished -= new ItemViewerEventHandler(RaiseEditingFinished);
item.Loaded += new RoutedEventHandler(Element_Loaded);
item.ItemSelected += new ItemViewerEventHandler(ItemViewer_ItemSelected);
item.EditingFinished += new ItemViewerEventHandler(RaiseEditingFinished);
}
/// <summary>
/// This event handler is called when an item is selected
/// </summary>
/// <param name="sender">Event source object</param>
/// <param name="e">Event arguments</param>
private void ItemViewer_ItemSelected(object sender, ItemViewerEventArgs e)
{
ItemViewerItem item = (ItemViewerItem)sender;
if (IsCtrlDown())
{
if (item.IsSelected)
{
item.IsSelected = false;
if (_selectedItems.Contains(item))
{
_selectedItems.Remove(item);
}
if (_selected == item)
{
_selected = null;
if (_selectedItems.Count > 0)
{
_selected = _selectedItems[0];
}
}
}
else
{
if (_selectedItems.Count > 0)
{
_selectedItems.Add(item);
item.IsSelected = true;
}
else
{
Selected = item;
}
}
}
else if (IsShiftDown())
{
}
else
{
if (Selected != null && Selected != sender)
{
_ticksSinceLastClick = 0;
if (Selected.IsEditable)
{
Selected.IsEditable = false;
}
}
Selected = (ItemViewerItem)sender;
if (_ticksSinceLastClick > 0 && _ticksSinceLastClick < 15 && sender == Selected)
{ // Double-click
RaiseDoubleClick(this, e);
}
else if (_ticksSinceLastClick > 0 && _ticksSinceLastClick < 40 && sender == Selected)
{ // Slow double-click
RaiseSlowDoubleClick(this, e);
}
else
{
RaiseItemSelected(this, e);
}
}
_ticksSinceLastClick = 0;
}
/// <summary>
/// Adds a single ItemViewerItem object
/// </summary>
/// <param name="item">Item object</param>
public void Add(ItemViewerItem item)
{
SetChildEvents(item);
ElementChildren.Add(item);
}