private void AddTextDrawing(DrawingGroup group, string name)
{
bool isHyperlink = false;
if (name == "x11201_1_")
{
isHyperlink = true;
}
SolidColorBrush textBrush = null;
if (name.StartsWith("XMLID_", StringComparison.OrdinalIgnoreCase))
{
textBrush = new SolidColorBrush(_colorText);
}
else
{
isHyperlink = true;
textBrush = new SolidColorBrush(_colorLink);
}
string brushName = name + "_Brush";
SvgObject.SetName(textBrush, brushName);
DrawingCollection drawings = group.Children;
int itemCount = drawings != null ? drawings.Count : 0;
for (int i = 0; i < itemCount; i++)
{
DrawingGroup drawing = drawings[i] as DrawingGroup;
if (drawing != null)
{
for (int j = 0; j < drawing.Children.Count; j++)
{
GlyphRunDrawing glyphDrawing = drawing.Children[j] as GlyphRunDrawing;
if (glyphDrawing != null)
{
glyphDrawing.ForegroundBrush = textBrush;
}
}
}
}
if (isHyperlink)
{
_visualBrushes[name] = textBrush;
_linkObjects.Add(group);
}
}
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);
}
}
}
private bool HitTestDrawing(DrawingGroup group, Point pt)
{
if (group.Bounds.Contains(pt))
{
DrawingGroup groupDrawing = null;
GlyphRunDrawing glyRunDrawing = null;
GeometryDrawing geometryDrawing = null;
DrawingCollection drawings = group.Children;
for (int i = 0; i < drawings.Count; i++)
{
Drawing drawing = drawings[i];
if (TryCast.Cast(drawing, out geometryDrawing))
{
if (HitTestDrawing(geometryDrawing, pt))
{
return(true);
}
}
else if (TryCast.Cast(drawing, out groupDrawing))
{
if (HitTestDrawing(groupDrawing, pt))
{
return(true);
}
SvgObjectType objectType = SvgObject.GetType(groupDrawing);
if (objectType == SvgObjectType.Text && groupDrawing.Bounds.Contains(pt))
{
return(true);
}
}
else if (TryCast.Cast(drawing, out glyRunDrawing))
{
if (HitTestDrawing(glyRunDrawing, pt))
{
return(true);
}
}
}
}
return(false);
}
protected override void OnMouseLeave(MouseEventArgs e)
{
base.OnMouseLeave(e);
if (_animationCanvas != null && _animationCanvas.HandleMouseLeave())
{
return;
}
if (_tooltip != null)
{
_tooltip.IsOpen = false;
_tooltip.Visibility = Visibility.Hidden;
}
if (_hitVisual == null)
{
return;
}
string itemName = SvgObject.GetName(_hitVisual);
if (itemName == null)
{
_hitVisual = null;
return;
}
//if (_visualBrushes.ContainsKey(itemName))
//{
// Brush brush = _visualBrushes[itemName];
// brush.Opacity = 0;
//}
_hitVisual = null;
this.Cursor = Cursors.Arrow;
}
//private Brush _testHitBrush;
//private Brush _testHitBrushPen;
//private Pen _testHitPen;
//private GeometryDrawing _testHit;
//private DrawingGroup _testHitGroup;
private Drawing HitTest(Point pt)
{
if (_linkObjects == null)
{
return(null);
}
Point ptDisplay = _displayTransform.Transform(pt);
DrawingGroup groupDrawing = null;
GlyphRunDrawing glyRunDrawing = null;
GeometryDrawing geometryDrawing = null;
Drawing foundDrawing = null;
//for (int i = 0; i < _linkObjects.Count; i++)
for (int i = _linkObjects.Count - 1; i >= 0; i--)
{
Drawing drawing = _linkObjects[i];
if (TryCast.Cast(drawing, out geometryDrawing))
{
if (HitTestDrawing(geometryDrawing, ptDisplay))
{
foundDrawing = drawing;
break;
}
}
else if (TryCast.Cast(drawing, out groupDrawing))
{
if (HitTestDrawing(groupDrawing, ptDisplay))
{
foundDrawing = drawing;
break;
}
else if (SvgObject.GetType(groupDrawing) == SvgObjectType.Text &&
groupDrawing.Bounds.Contains(ptDisplay))
{
foundDrawing = drawing;
break;
}
}
else if (TryCast.Cast(drawing, out glyRunDrawing))
{
if (HitTestDrawing(glyRunDrawing, ptDisplay))
{
foundDrawing = drawing;
break;
}
}
}
//if (_testHit != null)
//{
// if (_testHitBrush != null)
// {
// _testHit.Brush = _testHitBrush;
// }
// else if (_testHitPen != null && _testHitBrushPen != null)
// {
// _testHit.Pen.Brush = _testHitBrushPen;
// }
// _testHit = null;
// _testHitPen = null;
// _testHitBrush = null;
//}
//if (_testHitGroup != null)
//{
// _testHitGroup.BitmapEffect = null;
// _testHitGroup = null;
//}
//_testHit = foundDrawing as GeometryDrawing;
//if (_testHit != null)
//{
// _testHitBrush = _testHit.Brush;
// _testHitPen = _testHit.Pen;
// // Create and animate a Brush to set the button's Background.
// SolidColorBrush animationBrush = new SolidColorBrush();
// animationBrush.Color = Colors.Blue;
// ColorAnimation colorAnimation = new ColorAnimation();
// colorAnimation.From = Colors.Blue;
// colorAnimation.To = Colors.Red;
// colorAnimation.Duration = new Duration(TimeSpan.FromMilliseconds(1000));
// colorAnimation.AutoReverse = true;
// colorAnimation.RepeatBehavior = RepeatBehavior.Forever;
// if (_testHitBrush != null)
// {
// _testHit.Brush = animationBrush;
// }
// else if (_testHitPen != null)
// {
// _testHitBrushPen = _testHitPen.Brush;
// _testHitPen.Brush = animationBrush;
// }
// // Apply the animation to the brush's Color property.
// //animationBrush.BeginAnimation(SolidColorBrush.ColorProperty, colorAnimation);
//}
//else
//{
// _testHitGroup = foundDrawing as DrawingGroup;
// if (_testHitGroup != null)
// {
// //// Create a blur effect.
// //BlurBitmapEffect blurEffect = new BlurBitmapEffect();
// //blurEffect.Radius = 3.0;
// //// Apply it to the drawing group.
// //_testHitGroup.BitmapEffect = blurEffect;
// // Initialize a new OuterGlowBitmapEffect that will be applied
// // to the TextBox.
// OuterGlowBitmapEffect glowEffect = new OuterGlowBitmapEffect();
// // Set the size of the glow to 30 pixels.
// glowEffect.GlowSize = 3;
// // Set the color of the glow to blue.
// Color glowColor = new Color();
// glowColor.ScA = 1;
// glowColor.ScB = 0;
// glowColor.ScG = 0;
// glowColor.ScR = 1;
// glowEffect.GlowColor = glowColor;
// // Set the noise of the effect to the maximum possible (range 0-1).
// glowEffect.Noise = 0;
// // Set the Opacity of the effect to 75%. Note that the same effect
// // could be done by setting the ScA property of the Color to 0.75.
// glowEffect.Opacity = 0.5;
// // Apply the bitmap effect to the TextBox.
// _testHitGroup.BitmapEffect = glowEffect;
// }
//}
return(foundDrawing);
}
protected override void OnMouseMove(MouseEventArgs e)
{
base.OnMouseMove(e);
if (_animationCanvas != null && _animationCanvas.HandleMouseMove(e))
{
return;
}
// Retrieve the coordinates of the mouse button event.
Point pt = e.GetPosition(this);
Drawing hitVisual = HitTest(pt);
//string itemName = null;
if (hitVisual == null)
{
this.Cursor = Cursors.Arrow;
if (_hitVisual != null)
{
//itemName = SvgObject.GetName(_hitVisual);
//if (itemName == null)
//{
// _hitVisual = null;
// return;
//}
//if (_visualBrushes.ContainsKey(itemName))
//{
// Brush brush = _visualBrushes[itemName];
// brush.Opacity = 0;
//}
_hitVisual = null;
}
if (_tooltip != null)
{
_tooltip.IsOpen = false;
_tooltip.Visibility = Visibility.Hidden;
}
return;
}
else
{
this.Cursor = Cursors.Hand;
if (hitVisual == _hitVisual)
{
return;
}
if (_hitVisual != null)
{
//itemName = SvgObject.GetName(_hitVisual);
//if (itemName == null)
//{
// _hitVisual = null;
// return;
//}
//if (_visualBrushes.ContainsKey(itemName))
//{
// Brush brush = _visualBrushes[itemName];
// brush.Opacity = 0;
//}
_hitVisual = null;
}
//itemName = SvgObject.GetName(hitVisual);
//if (itemName == null)
//{
// return;
//}
//if (_visualBrushes.ContainsKey(itemName))
//{
// Brush brush = _visualBrushes[itemName];
// brush.Opacity = 0.5;
//}
_hitVisual = hitVisual;
string tooltipText = SvgObject.GetTitle(_hitVisual);
Rect rectBounds = _hitVisual.Bounds;
//Drawing drawing = _hitVisual.GetValue(FrameworkElement.TagProperty) as Drawing;
//if (drawing != null)
//{
// rectBounds = drawing.Bounds;
// tooltipText = SvgObject.GetTitle(drawing);
//}
if (_tooltip != null && !string.IsNullOrWhiteSpace(tooltipText))
{
_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;
}
}
}
}
protected override void OnMouseDown(MouseButtonEventArgs e)
{
base.OnMouseDown(e);
if (_animationCanvas != null && _animationCanvas.HandleMouseDown(e))
{
return;
}
Point pt = e.GetPosition(this);
Drawing visual = HitTest(pt);
if (visual == null)
{
if (_tooltip != null)
{
_tooltip.IsOpen = false;
_tooltip.Visibility = Visibility.Hidden;
}
this.Cursor = Cursors.Arrow;
return;
}
string itemName = SvgObject.GetName(visual);
if (itemName == null)
{
if (_tooltip != null)
{
_tooltip.IsOpen = false;
_tooltip.Visibility = Visibility.Hidden;
}
return;
}
//Brush brush = null;
//if (_visualBrushes.ContainsKey(itemName))
//{
// brush = _visualBrushes[itemName];
//}
//if (brush == null)
//{
// if (_tooltip != null)
// {
// _tooltip.IsOpen = false;
// _tooltip.Visibility = Visibility.Hidden;
// }
// return;
//}
//if (e.ChangedButton == MouseButton.Left)
//{
// string brushName = SvgObject.GetName(visual);
// if (!string.IsNullOrWhiteSpace(brushName))
// {
// SvgLinkAction linkAction = SvgLink.GetLinkAction(visual);
// if (linkAction == SvgLinkAction.LinkHtml ||
// linkAction == SvgLinkAction.LinkPage)
// {
// _animator.Start(brushName, brush);
// }
// }
//}
//else if (e.ChangedButton == MouseButton.Right)
//{
// _animator.Stop();
//}
}
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;
}
}