public DTextLabel(DObject parentPar, DrawingLabel label)
: base(parentPar, label)
{
}
public DLabel(DObject parentPar, DrawingLabel label, FrameworkElement content)
: base(parentPar)
{
DrawingLabel = label;
if (parentPar != null)
{
label.Owner = parentPar.DrawingObject;
if (label.GeometryLabel != null)
{
label.GeometryLabel.GeometryParent = parentPar.DrawingObject.GeometryObject;
}
if (parentPar.DrawingObject.GeometryObject is IGeometryLabeledObject)
{
((IGeometryLabeledObject)parentPar.DrawingObject.GeometryObject).Label = label.GeometryLabel;
}
}
if (ParentObject is IHavingDLabel)
{
((IHavingDLabel)ParentObject).Label = this;
}
Content = content;
if ((label.Owner is Node) && ((label.Owner as DrawingNode).GeometryObject as GeometryNode).BoundaryCurve != null)
{
Label.GeometryLabel.Center = ((Label.Owner as DrawingNode).GeometryObject as GeometryNode).Center;
MakeVisual();
}
else if ((label.Owner is Edge) && ((label.Owner as DrawingEdge).GeometryObject as GeometryEdge).Curve != null)
{
Label.GeometryLabel.Center = ((Label.Owner as DrawingEdge).GeometryObject as GeometryEdge).BoundingBox.Center;
MakeVisual();
}
}
internal static void AddStyleForPen(DObject dObj, Brush myPen, MsaglStyle style)
{
if (style == MsaglStyle.Dashed)
{
throw new NotImplementedException();
/*
* myPen.DashStyle = DashStyle.Dash;
*
* if (dObj.DashPatternArray == null)
* {
* float f = dObj.DashSize();
* dObj.DashPatternArray = new[] { f, f };
* }
* myPen.DashPattern = dObj.DashPatternArray;
*
* myPen.DashOffset = dObj.DashPatternArray[0];
*/
}
else if (style == MsaglStyle.Dotted)
{
throw new NotImplementedException();
/*
* myPen.DashStyle = DashStyle.Dash;
* if (dObj.DashPatternArray == null)
* {
* float f = dObj.DashSize();
* dObj.DashPatternArray = new[] { 1, f };
* }
* myPen.DashPattern = dObj.DashPatternArray;
*/
}
}
public DLabel(DObject parentPar, DrawingLabel label, FrameworkElement content)
: base(parentPar)
{
DrawingLabel = label;
if (parentPar != null)
{
label.Owner = parentPar.DrawingObject;
if (label.GeometryLabel != null)
label.GeometryLabel.GeometryParent = parentPar.DrawingObject.GeometryObject;
if (parentPar.DrawingObject.GeometryObject is IGeometryLabeledObject)
((IGeometryLabeledObject)parentPar.DrawingObject.GeometryObject).Label = label.GeometryLabel;
}
if (ParentObject is IHavingDLabel)
((IHavingDLabel)ParentObject).Label = this;
Content = content;
if ((label.Owner is Node) && ((label.Owner as DrawingNode).GeometryObject as GeometryNode).BoundaryCurve != null)
{
Label.GeometryLabel.Center = ((Label.Owner as DrawingNode).GeometryObject as GeometryNode).Center;
MakeVisual();
}
else if ((label.Owner is Edge) && ((label.Owner as DrawingEdge).GeometryObject as GeometryEdge).Curve != null)
{
Label.GeometryLabel.Center = ((Label.Owner as DrawingEdge).GeometryObject as GeometryEdge).BoundingBox.Center;
MakeVisual();
}
}
public virtual FrameworkElement GetNewGUIInstance(DObject obj)
{
DTextLabel editingLabel = obj is IHavingDLabel ? (obj as IHavingDLabel).Label as DTextLabel : obj as DTextLabel;
if (editingLabel == null)
{
return(null);
}
var tb = new TextBox()
{
MinWidth = 50.0, Text = editingLabel.Text, SelectionStart = 0, SelectionLength = editingLabel.Text.Length, AcceptsReturn = true
};
tb.KeyDown += (sender, args) =>
{
if (System.Windows.Input.Keyboard.Modifiers == System.Windows.Input.ModifierKeys.None)
{
if (args.Key == System.Windows.Input.Key.Enter)
{
Owner.LabelEditor.Close(true);
}
else if (args.Key == System.Windows.Input.Key.Escape)
{
Owner.LabelEditor.Close(false);
}
}
};
return(tb);
}
public bool IsAncestorOf(DObject obj)
{
if (obj == null)
{
return(false);
}
return(obj.ParentObject == this || IsAncestorOf(obj.ParentObject));
}
public DNestedGraphLabel(DObject parentPar, FrameworkElement content)
: base(parentPar, content)
{
Graphs = new List <DGraph>();
if (content is DGraph)
{
Graphs.Add(content as DGraph);
(content as DGraph).ParentObject = this;
}
}
public DNestedGraphLabel(DObject parentPar, FrameworkElement content)
: base(parentPar, content)
{
Graphs = new List<DGraph>();
if (content is DGraph)
{
Graphs.Add(content as DGraph);
(content as DGraph).ParentObject = this;
}
}
internal Geometry(DObject dObject)
{
this.dObject = dObject;
DNode dNode = dObject as DNode;
if (dNode != null)
bBox = dNode.DrawingNode.BoundingBox;
else
{
DLabel dLabel = dObject as DLabel;
if (dLabel != null)
bBox = dLabel.Label.BoundingBox;
}
}
internal DNode(DObject graph, DrawingNode drawingNode)
: base(graph)
{
this.DrawingNode = drawingNode;
_OutEdges = new List<DEdge>();
_InEdges = new List<DEdge>();
_SelfEdges = new List<DEdge>();
PortsToDraw = new Set<Port>();
if (drawingNode.Label != null && drawingNode.Label.GeometryLabel != null)
Label = new DTextLabel(this, drawingNode.Label);
if (!(this is DCluster))
Canvas.SetZIndex(this, 10000);
}
public virtual FrameworkElement GetNewGUIInstance(DObject obj)
{
DTextLabel editingLabel = obj is IHavingDLabel ? (obj as IHavingDLabel).Label as DTextLabel : obj as DTextLabel;
if (editingLabel == null)
return null;
var tb = new TextBox() { MinWidth = 50.0, Text = editingLabel.Text, SelectionStart = 0, SelectionLength = editingLabel.Text.Length, AcceptsReturn = true };
tb.KeyDown += (sender, args) =>
{
if (System.Windows.Input.Keyboard.Modifiers == System.Windows.Input.ModifierKeys.None)
{
if (args.Key == System.Windows.Input.Key.Enter)
Owner.LabelEditor.Close(true);
else if (args.Key == System.Windows.Input.Key.Escape)
Owner.LabelEditor.Close(false);
}
};
return tb;
}
internal Geometry(DObject dObject)
{
this.dObject = dObject;
DNode dNode = dObject as DNode;
if (dNode != null)
{
bBox = dNode.DrawingNode.BoundingBox;
}
else
{
DLabel dLabel = dObject as DLabel;
if (dLabel != null)
{
bBox = dLabel.Label.BoundingBox;
}
}
}
internal DNode(DObject graph, DrawingNode drawingNode)
: base(graph)
{
this.DrawingNode = drawingNode;
_OutEdges = new List <DEdge>();
_InEdges = new List <DEdge>();
_SelfEdges = new List <DEdge>();
PortsToDraw = new Set <Port>();
if (drawingNode.Label != null && drawingNode.Label.GeometryLabel != null)
{
Label = new DTextLabel(this, drawingNode.Label);
}
if (!(this is DCluster))
{
Canvas.SetZIndex(this, 10000);
}
}
internal Line(DObject tag, MsaglPoint start, MsaglPoint end, double lw)
: base(tag)
{
lineWidth = lw;
MsaglPoint dir = end - start;
if (lineWidth < 0)
{
lineWidth = 1;
}
double len = dir.Length;
if (len > ApproximateComparer.IntersectionEpsilon)
{
dir /= (len / (lineWidth / 2));
dir = dir.Rotate(Math.PI / 2);
}
else
{
dir.X = 0;
dir.Y = 0;
}
this.bBox = new Rectangle(start + dir);
this.bBox.Add(start - dir);
this.bBox.Add(end + dir);
this.bBox.Add(end - dir);
this.start = start;
this.end = end;
if (this.bBox.LeftTop.X == this.bBox.RightBottom.X)
{
bBox.LeftTop = bBox.LeftTop + new MsaglPoint(-0.05f, 0);
bBox.RightBottom = bBox.RightBottom + new MsaglPoint(0.05f, 0);
}
if (this.bBox.LeftTop.Y == this.bBox.RightBottom.Y)
{
bBox.LeftTop = bBox.LeftTop + new MsaglPoint(0, -0.05f);
bBox.RightBottom = bBox.RightBottom + new MsaglPoint(0, 0.05f);
}
}
/// <summary>
/// first and count denine the segment needed to be split into two groups
/// </summary>
/// <param name="first"></param>
/// <param name="count"></param>
/// <returns></returns>
BBNode ProcessGroup(int first, int count)
{
if (count > 1)
{
int seed0;
MsaglRectangle b0;
int seed1;
FindSeeds(first, count, out seed0, out b0, out seed1);
MsaglRectangle b1;
int count0;
int count1;
SplitOnGroups(first, count, seed0, ref b0, seed1, out b1, out count0, out count1);
BBNode node = new BBNode();
node.bBox = new MsaglRectangle(b0, b1);
node.left = ProcessGroup(first, count0);
node.left.parent = node;
node.right = ProcessGroup(first + count0, count1);
node.right.parent = node;
return(node);
}
if (count == 1)
{
Geometry geom = geometries[first] as Geometry;
if (geom != null)
{
BBNode node = new BBNode();
node.geometry = geom;
return(node);
}
DObject dObject = geometries[first] as DObject;
if (dObject != null)
{
return(dObject.BBNode);
}
}
return(null);
}
void DObject_MouseMove(object sender, MouseEventArgs e)
{
if (e != m_CurrentEvent)
{
m_CurrentEvent = e;
m_LastObjectSet = null;
}
if (m_LastObjectSet == null)
{
DObject obj = this;
if (obj is DLabel && !(obj.ParentObject is DEdge))
{
obj = obj.ParentObject;
}
if (obj is DGraph)
{
obj = null;
}
m_LastObjectSet = ParentGraph.ObjectUnderMouseCursor = obj;
}
}
internal Line(DObject tag, MsaglPoint start, MsaglPoint end, double lw)
: base(tag)
{
lineWidth = lw;
MsaglPoint dir = end - start;
if (lineWidth < 0)
lineWidth = 1;
double len = dir.Length;
if (len > ApproximateComparer.IntersectionEpsilon)
{
dir /= (len / (lineWidth / 2));
dir = dir.Rotate(Math.PI / 2);
}
else
{
dir.X = 0;
dir.Y = 0;
}
this.bBox = new Rectangle(start + dir);
this.bBox.Add(start - dir);
this.bBox.Add(end + dir);
this.bBox.Add(end - dir);
this.start = start;
this.end = end;
if (this.bBox.LeftTop.X == this.bBox.RightBottom.X)
{
bBox.LeftTop = bBox.LeftTop + new MsaglPoint(-0.05f, 0);
bBox.RightBottom = bBox.RightBottom + new MsaglPoint(0.05f, 0);
}
if (this.bBox.LeftTop.Y == this.bBox.RightBottom.Y)
{
bBox.LeftTop = bBox.LeftTop + new MsaglPoint(0, -0.05f);
bBox.RightBottom = bBox.RightBottom + new MsaglPoint(0, 0.05f);
}
}
private void DefaultBeginContentEdit(DObject obj)
{
if (m_EditingLabel)
return;
FrameworkElement fe = ContentEditorProvider.GetNewGUIInstance(obj);
if (fe != null)
{
DecorateObjectForDragging(obj);
m_LabelEditor = new LabelEditor() { EditControl = fe, EditTarget = obj, HorizontalAlignment = HorizontalAlignment.Left, VerticalAlignment = VerticalAlignment.Top };
m_LabelEditor.Closed += (sender, args) =>
{
RemoveObjDraggingDecorations(obj);
if (m_LabelEditor.OK)
ContentEditorProvider.UpdateLabel(fe, obj);
m_EditingLabel = false;
LayoutRoot.Children.Remove(m_LabelEditor);
m_LabelEditor = null;
};
m_EditingLabel = true;
LayoutRoot.Children.Add(m_LabelEditor);
SynchronizationContext.Current.Post(o => ContentEditorProvider.FocusGUI(fe, obj), null);
}
}
public DLabel(DObject parentPar, FrameworkElement content)
: this(parentPar, new DrawingLabel(), content)
{
}
static BBNode BuildBBHierarchyUnderDObject(DObject dObject)
{
var dNode = dObject as DNode;
if (dNode != null)
return BuildBBHierarchyUnderDNode(dNode);
var dedge = dObject as DEdge;
if (dedge != null)
{
return BuildBBHierarchyUnderDEdge(dedge);
}
var dLabel = dObject as DLabel;
if (dLabel != null)
return BuildBBHierarchyUnderDLabel(dLabel);
var dGraph = dObject as DGraph;
if (dGraph != null)
{
dGraph.BBNode.bBox = dGraph.DrawingGraph.BoundingBox;
return dGraph.BBNode;
}
throw new InvalidOperationException();
}
protected DObject(DObject parent)
: this()
{
ParentObject = parent;
Canvas.SetZIndex(this, parent == null ? 0 : Canvas.GetZIndex(parent) + 1);
}
public DLabel(DObject parentPar, FrameworkElement content)
: this(parentPar, new DrawingLabel(), content)
{
}
public DTextLabel(DObject parentPar)
: this(parentPar, new DrawingLabel())
{
}
static void RebuildBBHierarchyUnderObject(DObject dObj)
{
BBNode oldNode = dObj.BBNode;
BBNode newNode = BuildBBHierarchyUnderDObject(dObj);
if (newNode != null)
{
//now copy all fields, except the parent
oldNode.left = newNode.left;
oldNode.right = newNode.right;
oldNode.geometry = newNode.geometry;
oldNode.bBox = newNode.bBox;
}
else
oldNode.bBox = Microsoft.Msagl.Core.Geometry.Rectangle.CreateAnEmptyBox();
}
static void InvalidateBBNodesAbove(DObject dObj)
{
for (BBNode node = dObj.BBNode; node != null; node = node.parent)
node.bBox.Width = -1; //this will make the box empty
}
public virtual void FocusGUI(FrameworkElement guiElement, DObject obj)
{
(guiElement as TextBox).Focus();
}
protected DObject(DObject parent)
: this()
{
ParentObject = parent;
Canvas.SetZIndex(this, parent == null ? 0 : Canvas.GetZIndex(parent) + 1);
}
protected DObject(DObject parent)
{
ParentObject = parent;
}
internal DCluster(DObject parent, DrawingCluster drawingCluster)
: base(parent, drawingCluster)
{
Node.Attr.FillColor = Drawing.Color.White;
}
public DTextLabel(DObject parentPar)
: this(parentPar, new DrawingLabel())
{
}
protected DObject(DObject parent)
{
ParentObject = parent;
}
public bool IsAncestorOf(DObject obj)
{
if (obj == null)
return false;
return obj.ParentObject == this || IsAncestorOf(obj.ParentObject);
}
private void DefaultBeginContentEdit(DObject obj)
{
if (m_EditingLabel)
return;
DTextLabel clicked = obj is IHavingDLabel ? (obj as IHavingDLabel).Label as DTextLabel : obj as DTextLabel;
DObject labelOwner = obj is DTextLabel ? (obj as DTextLabel).ParentObject : obj;
if (clicked != null /*&& clicked != m_EditingLabel*/)
{
//EndContentEdit();
DTextLabel editingLabel = clicked;
FrameworkElement fe = null;
bool isMine = false;
if (GetNewEditControlDelegate != null)
fe = GetNewEditControlDelegate(labelOwner);
else
{
isMine = true;
fe = new TextBox() { MinWidth = 50.0, Text = editingLabel.Text, SelectionStart = 0, SelectionLength = editingLabel.Text.Length, AcceptsReturn = true };
}
if (fe != null)
{
DecorateObjectForDragging(obj);
m_LabelEditor = new LabelEditor() { EditControl = fe, EditTarget = obj, HorizontalAlignment = HorizontalAlignment.Left, VerticalAlignment = VerticalAlignment.Top };
if (isMine)
{
fe.KeyDown += (sender, args) =>
{
if (System.Windows.Input.Keyboard.Modifiers == System.Windows.Input.ModifierKeys.None)
{
if (args.Key == System.Windows.Input.Key.Enter)
m_LabelEditor.Close(true);
else if (args.Key == System.Windows.Input.Key.Escape)
m_LabelEditor.Close(false);
}
};
}
m_LabelEditor.Closed += (sender, args) =>
{
RemoveObjDraggingDecorations(obj);
if (m_LabelEditor.OK)
{
if (GetTextFromEditControlDelegate != null)
editingLabel.Text = GetTextFromEditControlDelegate(labelOwner, fe);
else
editingLabel.Text = (fe as TextBox).Text;
BuildBBHierarchy();
}
m_EditingLabel = false;
LayoutRoot.Children.Remove(m_LabelEditor);
m_LabelEditor = null;
};
m_EditingLabel = true;
LayoutRoot.Children.Add(m_LabelEditor);
if (isMine)
(fe as TextBox).Focus();
}
}
}
internal Geometry(DObject dObject, MsaglRectangle box)
{
this.dObject = dObject;
this.bBox = box;
}
internal Geometry(DObject dObject, MsaglRectangle box)
{
this.dObject = dObject;
this.bBox = box;
}
public DLabel(DObject parentPar, DrawingLabel label)
: this(parentPar, label, null)
{
}
public DLabel(DObject parentPar, DrawingLabel label)
: this(parentPar, label, null)
{
}
private IEnumerable<DObject> RelatedObjs(DObject dObj)
{
yield return dObj;
var dNode = dObj as DNode;
if (dNode != null)
{
foreach (DEdge e in dNode.OutEdges)
yield return e;
foreach (DEdge e in dNode.InEdges)
yield return e;
foreach (DEdge e in dNode.SelfEdges)
yield return e;
}
else
{
var dEdge = dObj as DEdge;
if (dEdge != null)
{
yield return dEdge.Source;
yield return dEdge.Target;
if (dEdge.Label != null)
yield return dEdge.Label;
}
}
}
public DTextLabel(DObject parentPar, DrawingLabel label)
: base(parentPar, label)
{
}
public virtual void FocusGUI(FrameworkElement guiElement, DObject obj)
{
(guiElement as TextBox).Focus();
}
public DTextLabel(DObject parentPar, string text)
: this(parentPar)
{
Text = text;
}
public virtual void UpdateLabel(FrameworkElement guiElement, DObject obj)
{
DTextLabel editingLabel = obj is IHavingDLabel ? (obj as IHavingDLabel).Label as DTextLabel : obj as DTextLabel;
editingLabel.Text = (guiElement as TextBox).Text;
}
internal static void AddStyleForPen(DObject dObj, Brush myPen, MsaglStyle style)
{
if (style == MsaglStyle.Dashed)
{
throw new NotImplementedException();
/*
myPen.DashStyle = DashStyle.Dash;
if (dObj.DashPatternArray == null)
{
float f = dObj.DashSize();
dObj.DashPatternArray = new[] { f, f };
}
myPen.DashPattern = dObj.DashPatternArray;
myPen.DashOffset = dObj.DashPatternArray[0];
*/
}
else if (style == MsaglStyle.Dotted)
{
throw new NotImplementedException();
/*
myPen.DashStyle = DashStyle.Dash;
if (dObj.DashPatternArray == null)
{
float f = dObj.DashSize();
dObj.DashPatternArray = new[] { 1, f };
}
myPen.DashPattern = dObj.DashPatternArray;
*/
}
}
public DTextLabel(DObject parentPar, string text)
: this(parentPar)
{
Text = text;
}
public virtual void UpdateLabel(FrameworkElement guiElement, DObject obj)
{
DTextLabel editingLabel = obj is IHavingDLabel ? (obj as IHavingDLabel).Label as DTextLabel : obj as DTextLabel;
editingLabel.Text = (guiElement as TextBox).Text;
}
internal DCluster(DObject parent, DrawingCluster drawingCluster)
: base(parent, drawingCluster)
{
Node.Attr.FillColor = Drawing.Color.White;
}