/// <summary>
/// Generates a DoubleClick event to indicate the item has been double-clicked
/// </summary>
/// <param name="sender">Event source object</param>
/// <param name="args">Event arguments</param>
protected virtual void RaiseDoubleClick(object sender, ItemViewerEventArgs args)
{
if (DoubleClick != null)
{
DoubleClick(this, args);
}
}
/// <summary>
/// Generates a ItemSelected event to indicate the item has been clicked
/// </summary>
/// <param name="sender">Event source object</param>
/// <param name="args">Event arguments</param>
protected virtual void RaiseItemSelected(object sender, ItemViewerEventArgs args)
{
if (ItemSelected != null)
{
ItemSelected(this, args);
}
}
/// <summary>
/// Generates a EditingFinished event to indicate the item has finished editing
/// </summary>
/// <param name="sender">Event source object</param>
/// <param name="args">Event arguments</param>
protected virtual void RaiseEditingFinished(object sender, ItemViewerEventArgs args)
{
if (EditingFinished != null)
{
EditingFinished(this, args);
}
}
private void ElementViewer_ItemSelected(object sender, ItemViewerEventArgs e)
{
_selected = ((ColorItem)ElementViewer.Selected).Color;
ElementSelectedColor.Background = new SolidColorBrush(_selected);
ClearSelectedCustom();
RaiseSelectionChanged(this, new EventArgs());
_dropDown.IsOpen = false;
}
protected void ItemViewerItem_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
{
ItemViewerEventArgs args = new ItemViewerEventArgs()
{
Title = _text
};
//_selected = true;
_hovering = false;
//UpdateVisualState();
RaiseItemSelected(this, args);
}
private void item_ItemSelected(object sender, ItemViewerEventArgs e)
{
if (ElementCustom != null)
{
_selected = ((ColorItem)sender).Color;
ElementSelectedColor.Background = new SolidColorBrush(_selected);
foreach (ColorItem item in ElementCustom.Children)
{
if (item.IsSelected && item != sender)
{
item.IsSelected = false;
}
}
ElementViewer.Selected = null;
RaiseSelectionChanged(this, new EventArgs());
_dropDown.IsOpen = false;
}
}
/// <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;
}
