private void LoadLayerDiagrams(DrawingGroup layerGroup)
{
this.UnloadDiagrams();
DrawingCollection drawings = layerGroup.Children;
DrawingGroup drawGroup = null;
GeometryDrawing drawGeometry = null;
for (int i = 0; i < drawings.Count; i++)
{
Drawing drawing = drawings[i];
if (TryCast(drawing, out drawGroup))
{
string groupName = SvgLink.GetKey(drawGroup);
if (string.IsNullOrWhiteSpace(groupName))
{
groupName = SvgObject.GetId(drawGroup);
}
//string groupName = SvgObject.GetName(childGroup);
if (string.IsNullOrWhiteSpace(groupName))
{
LoadLayerGroup(drawGroup);
}
else
{
SvgObjectType elementType = SvgObject.GetType(drawGroup);
if (elementType == SvgObjectType.Text)
{
this.AddTextDrawing(drawGroup, groupName);
}
else
{
if (drawGroup.Children != null && drawGroup.Children.Count == 1)
{
this.AddDrawing(drawGroup, groupName);
}
else
{
//throw new InvalidOperationException(
// String.Format("Error: The link group is in error - {0}", groupName));
}
}
}
}
else if (TryCast(drawing, out drawGeometry))
{
this.AddGeometryDrawing(drawGeometry);
}
}
if (_drawingCanvas != null)
{
_displayTransform = _drawingCanvas.DisplayTransform;
}
}
private void LoadLayerGroup(DrawingGroup group)
{
DrawingCollection drawings = group.Children;
DrawingGroup drawGroup = null;
GeometryDrawing drawGeometry = null;
for (int i = 0; i < drawings.Count; i++)
{
Drawing drawing = drawings[i];
if (TryCast(drawing, out drawGroup))
{
string groupName = SvgLink.GetKey(drawGroup);
if (string.IsNullOrWhiteSpace(groupName))
{
groupName = SvgObject.GetId(drawGroup);
}
//string groupName = childGroup.GetValue(FrameworkElement.NameProperty) as string;
if (string.IsNullOrWhiteSpace(groupName))
{
LoadLayerGroup(drawGroup);
}
else
{
SvgObjectType elementType = SvgObject.GetType(drawGroup);
if (elementType == SvgObjectType.Text)
{
this.AddTextDrawing(drawGroup, groupName);
}
else
{
if (drawGroup.Children != null && drawGroup.Children.Count == 1)
{
this.AddDrawing(drawGroup, groupName);
}
else
{
//throw new InvalidOperationException(
// String.Format("Error: The link group is in error - {0}", groupName));
}
}
}
}
else if (TryCast(drawing, out drawGeometry))
{
this.AddGeometryDrawing(drawGeometry);
}
}
}
public void RenderDiagrams(DrawingGroup renderedGroup)
{
DrawingCollection drawings = renderedGroup.Children;
int linkIndex = -1;
int drawIndex = -1;
for (int i = 0; i < drawings.Count; i++)
{
Drawing drawing = drawings[i];
//string drawingName = SvgObject.GetName(drawing);
string drawingName = SvgLink.GetKey(drawing);
if (!string.IsNullOrWhiteSpace(drawingName) &&
string.Equals(drawingName, SvgObject.DrawLayer))
{
drawIndex = i;
}
else if (!string.IsNullOrWhiteSpace(drawingName) &&
string.Equals(drawingName, SvgObject.LinksLayer))
{
linkIndex = i;
}
}
DrawingGroup mainGroups = null;
if (drawIndex >= 0)
{
mainGroups = drawings[drawIndex] as DrawingGroup;
}
DrawingGroup linkGroups = null;
if (linkIndex >= 0)
{
linkGroups = drawings[linkIndex] as DrawingGroup;
}
this.LoadDiagrams(renderedGroup, linkGroups, mainGroups);
if (linkGroups != null)
{
_animationCanvas.LoadDiagrams(linkGroups, renderedGroup);
}
_bounds = _wholeDrawing.Bounds;
this.InvalidateMeasure();
this.InvalidateVisual();
}
public void RenderDiagrams(DrawingGroup renderedGroup)
{
DrawingCollection drawings = renderedGroup.Children;
int linkIndex = -1;
int drawIndex = -1;
for (int i = 0; i < drawings.Count; i++)
{
Drawing drawing = drawings[i];
//string drawingName = drawing.GetValue(FrameworkElement.NameProperty) as string;
string drawingName = SvgLink.GetKey(drawing);
if (!String.IsNullOrEmpty(drawingName) &&
String.Equals(drawingName, SvgObject.DrawLayer))
{
drawIndex = i;
}
else if (!String.IsNullOrEmpty(drawingName) &&
String.Equals(drawingName, SvgObject.LinksLayer))
{
linkIndex = i;
}
}
DrawingGroup mainGroups = null;
if (drawIndex >= 0)
{
mainGroups = drawings[drawIndex] as DrawingGroup;
}
DrawingGroup linkGroups = null;
if (linkIndex >= 0)
{
linkGroups = drawings[linkIndex] as DrawingGroup;
}
this.LoadDiagrams(renderedGroup, linkGroups, mainGroups);
if (linkGroups != null)
{
_animationCanvas.LoadDiagrams(linkGroups, renderedGroup);
}
this.InvalidateMeasure();
this.InvalidateVisual();
}
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 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 void LoadDiagrams(DrawingGroup linkGroups, DrawingGroup wholeGroup)
{
if (linkGroups == null)
{
return;
}
DrawingCollection drawings = linkGroups.Children;
if (drawings == null || drawings.Count == 0)
{
return;
}
else if (drawings.Count == 1)
{
DrawingGroup layerGroup = drawings[0] as DrawingGroup;
if (layerGroup != null)
{
string elementId = SvgObject.GetId(layerGroup);
if (!string.IsNullOrWhiteSpace(elementId) &&
string.Equals(elementId, "IndicateLayer", StringComparison.OrdinalIgnoreCase))
{
this.LoadLayerDiagrams(layerGroup);
_wholeDrawing = wholeGroup;
_linksDrawing = linkGroups;
return;
}
}
}
this.UnloadDiagrams();
for (int i = 0; i < drawings.Count; i++)
{
DrawingGroup childGroup = drawings[i] as DrawingGroup;
if (childGroup != null)
{
string groupName = SvgLink.GetKey(childGroup);
//string groupName = SvgObject.GetName(childGroup);
if (string.IsNullOrWhiteSpace(groupName))
{
if (childGroup.Children != null && childGroup.Children.Count == 1)
{
this.AddDrawing(childGroup);
}
else
{
throw new InvalidOperationException("Error: The link group is in error.");
}
}
else
{
if (childGroup.Children != null && childGroup.Children.Count == 1)
{
this.AddDrawing(childGroup, groupName);
}
else
{
throw new InvalidOperationException(
String.Format("Error: The link group is in error - {0}", groupName));
}
}
}
}
_wholeDrawing = wholeGroup;
_linksDrawing = linkGroups;
if (_drawingCanvas != null)
{
_displayTransform = _drawingCanvas.DisplayTransform;
}
}