public bool HandleMouseDown(MouseButtonEventArgs e)
{
Point pt = e.GetPosition(_drawingCanvas);
Drawing visual = HitTest(pt);
if (visual == null)
{
if (_tooltip != null)
{
_tooltip.IsOpen = false;
_tooltip.Visibility = Visibility.Hidden;
}
return(false);
}
if (_selectedVisual != null && visual == _selectedVisual)
{
_drawingCanvas.Cursor = Cursors.Hand;
return(true);
}
string itemName = SvgObject.GetName(visual);
if (itemName == null)
{
if (_tooltip != null)
{
_tooltip.IsOpen = false;
_tooltip.Visibility = Visibility.Hidden;
}
return(false);
}
SolidColorBrush brush = null;
if (_visualBrushes.ContainsKey(itemName))
{
brush = _visualBrushes[itemName] as SolidColorBrush;
if (brush != null)
{
brush.Color = _colorSelected;
}
}
if (brush == null)
{
if (_tooltip != null)
{
_tooltip.IsOpen = false;
_tooltip.Visibility = Visibility.Hidden;
}
return(false);
}
if (_selectedVisual != null)
{
itemName = SvgObject.GetName(_selectedVisual);
if (itemName == null)
{
return(false);
}
if (_visualBrushes.ContainsKey(itemName))
{
brush = _visualBrushes[itemName] as SolidColorBrush;
if (brush != null)
{
brush.Color = _colorLink;
}
}
else
{
return(false);
}
}
_selectedVisual = visual;
if (e.ChangedButton == MouseButton.Left)
{
string brushName = SvgObject.GetName(brush);
if (!string.IsNullOrWhiteSpace(brushName))
{
SvgLinkAction linkAction = SvgLink.GetAction(visual);
if (linkAction == SvgLinkAction.LinkHtml ||
linkAction == SvgLinkAction.LinkPage)
{
_animator.Start(brushName, brush);
}
}
}
else if (e.ChangedButton == MouseButton.Right)
{
_animator.Stop();
}
return(true);
}
public static void SetAction(DependencyObject element, SvgLinkAction value)
{
element.SetValue(ActionProperty, value);
}
public bool HandleMouseMove(MouseEventArgs e)
{
// Retrieve the coordinates of the mouse button event.
Point pt = e.GetPosition(_drawingCanvas);
Drawing hitVisual = HitTest(pt);
if (_selectedVisual != null && hitVisual == _selectedVisual)
{
_drawingCanvas.Cursor = Cursors.Hand;
return(true);
}
string itemName = null;
if (hitVisual == null)
{
if (_hitVisual != null)
{
itemName = SvgObject.GetName(_hitVisual);
if (itemName == null)
{
_hitVisual = null;
return(false);
}
if (_visualBrushes.ContainsKey(itemName) && (_hitVisual != _selectedVisual))
{
SolidColorBrush brush = _visualBrushes[itemName] as SolidColorBrush;
if (brush != null)
{
brush.Color = _colorLink;
}
}
_hitVisual = null;
}
if (_tooltip != null)
{
_tooltip.IsOpen = false;
_tooltip.Visibility = Visibility.Hidden;
}
return(false);
}
else
{
_drawingCanvas.Cursor = Cursors.Hand;
if (hitVisual == _hitVisual)
{
return(false);
}
if (_hitVisual != null)
{
itemName = SvgObject.GetName(_hitVisual);
if (itemName == null)
{
_hitVisual = null;
return(false);
}
if (_visualBrushes.ContainsKey(itemName) && (_hitVisual != _selectedVisual))
{
SolidColorBrush brush = _visualBrushes[itemName] as SolidColorBrush;
if (brush != null)
{
brush.Color = _colorLink;
}
}
_hitVisual = null;
}
itemName = SvgObject.GetName(hitVisual);
if (itemName == null)
{
return(false);
}
if (_visualBrushes.ContainsKey(itemName))
{
SolidColorBrush brush = _visualBrushes[itemName] as SolidColorBrush;
if (brush != null)
{
brush.Color = _colorHover;
}
}
_hitVisual = hitVisual;
string tooltipText = itemName;
SvgLinkAction linkAction = SvgLink.GetAction(hitVisual);
if (linkAction == SvgLinkAction.LinkTooltip &&
_tooltip != null && !string.IsNullOrWhiteSpace(tooltipText))
{
Rect rectBounds = hitVisual.Bounds;
_tooltip.PlacementRectangle = rectBounds;
_tooltipText.Text = tooltipText;
if (_tooltip.Visibility == Visibility.Hidden)
{
_tooltip.Visibility = Visibility.Visible;
}
_tooltip.IsOpen = true;
}
else
{
if (_tooltip != null)
{
_tooltip.IsOpen = false;
_tooltip.Visibility = Visibility.Hidden;
}
}
}
return(true);
}
public static void SetAction(DependencyObject element, SvgLinkAction value)
{
element.SetValue(ActionProperty, value);
}
