public Attribute(String name, bool iskey, NodeFigure fig, String color) { this.Name = name; this.IsKey = iskey; this.Figure = fig; this.Color = color; }
public override void LoadFromXElement(XElement e) { base.LoadFromXElement(e); this.Figure = XHelper.ReadEnum <NodeFigure>("Figure", e, NodeFigure.Rectangle); this.ToSpot = XHelper.Read("ToSpot", e, ""); this.FromSpot = XHelper.Read("FromSpot", e, ""); this.Color = XHelper.Read("Color", e, "White"); this.LinkColor = XHelper.Read("LinkColor", e, "LightGray"); this.LayoutId = XHelper.Read("LayoutId", e, "All"); }
void InitMatrix() { // counting the number of source nodes and creating field of them field = new NodeItem[fieldSource.GetLength(0), fieldSource.GetLength(1)]; // counting nodes int nodeItemCount = 0; for (int x = 0; x < fieldSource.GetLength(0); x++) { for (int y = 0; y < fieldSource.GetLength(1); y++) { if (fieldSource[x, y] == 1) { NodeItem item = new NodeItem() { x = x, y = y }; field[x, y] = item; nodeItemCount++; } } } dancingLinks.InitHeaders(nodeItemCount + figureSet.FigureCount); // assigning a node to every column header just to make it distinct ExactCover.Node header = dancingLinks.rootHeader.right; for (int x = 0; x < field.GetLength(0); x++) { for (int y = 0; y < field.GetLength(1); y++) { if (field[x, y] != null) { header.nodedata = field[x, y]; header = header.right; } } } // assigning a node containing figure id to header columns figureNodes = new NodeFigure[figureSet.FigureCount]; for (int i = 0; i < figureSet.FigureCount; i++) { var newNode = new NodeFigure() { figureId = i }; header.nodedata = newNode; // all figure headers are optional ((ExactCover.ColumnHeader)header).optional = true; header = header.right; figureNodes[i] = newNode; } }
// walk the visual tree of adornment elements private void RenderHandles(FrameworkElement elt) { if (elt == null) { return; } Path path = elt as Path; if (path != null) // if it's a Path // and if NodePanel.Figure is specified and is None, it's a SelectionHandle equivalent { NodeFigure fig = NodePanel.GetFigure(elt); if (fig == NodeFigure.None) // must explicitly set go:NodePanel.Figure="None", to distinguish this selection handle from random Path shapes { Shape adornedshape = this.AdornedElement as Shape; // hack: because GetSelectionGeometry doesn't always return a Geometry of the AdornedElement's size if (adornedshape != null && this.AdornedPart is Node && ((adornedshape is Path && NodePanel.GetFigure(adornedshape) != NodeFigure.None) || // when that Path is a NodeShape equivalent adornedshape is Polygon || adornedshape is Polyline)) // or is a Polygon or Polyline { path.Stretch = Stretch.Fill; Size sz = GetEffectiveSize(adornedshape); // can't just use ActualWidth/Height, because measuring has reset them to zero path.Width = sz.Width; path.Height = sz.Height; } path.Data = GetSelectionGeometry(path, this); } else // otherwise assume it's a ToolHandle equivalent { if (path.Data == null) { path.Stretch = Stretch.Fill; path.Data = GetFigureGeometry(path); // returns a Geometry with points from 0,0 to 1,1 } } } else { int count = VisualTreeHelper.GetChildrenCount(elt); for (int i = 0; i < count; i++) { RenderHandles(VisualTreeHelper.GetChild(elt, i) as FrameworkElement); } } }
private void RenderNodeShape(UIElement elt, Size sz) { if (elt == null) { return; } Path path = elt as Path; if (path != null) // if it's a Path // and if NodePanel.Figure is specified, it's a NodeShape equivalent { NodeFigure fig = NodePanel.GetFigure(elt); if (fig != NodeFigure.None) { path.Stretch = Stretch.Fill; path.Data = new NodeGeometry(path).GetGeometry(sz); // this also has the side-effect of setting any default Spot1/Spot2 parameters } } }
public override void LoadFromXElement(XElement e) { base.LoadFromXElement(e); this.Figure = XHelper.ReadEnum <NodeFigure>("Figure", e, NodeFigure.Rectangle); }
/// <summary> /// Sets the value of the <see cref="FigureProperty"/> attached dependency property. /// </summary> /// <param name="d"></param> /// <param name="v"></param> public static void SetFigure(DependencyObject d, NodeFigure v) { d.SetValue(FigureProperty, v); }
/// <summary> /// Sets the value of the <see cref="FigureProperty"/> attached dependency property. /// </summary> /// <param name="d"></param> /// <param name="v"></param> public static void SetFigure(DependencyObject d, NodeFigure v) { d.SetValue(FigureProperty, v); }
public bool Solve() { // matrix doesn't have any rows if (nLines == 0) { return(false); } bool result = dancingLinks.Solve(); if (result) { // transforming the result to the form of array of chars that can be easily output to screen Solution = new char[field.GetLength(0), field.GetLength(1)]; // filling all with spaces for (int x = 0; x < Solution.GetLength(0); x++) { for (int y = 0; y < Solution.GetLength(1); y++) { Solution[x, y] = ' '; } } foreach (ExactCover.Node figure in dancingLinks.Solution) { // finding figure id (type) int figureId = 0; ExactCover.Node node = figure; do { if (node.nodedata.GetType() == typeof(NodeFigure)) { NodeFigure figureType = (NodeFigure)node.nodedata; if (figureType != null) { figureId = figureType.figureId; break; } } node = node.right; } while (node != figure); // placing all nodes in the char[,] array node = figure; do { if (node.nodedata.GetType() == typeof(NodeItem)) { NodeItem item = (NodeItem)node.nodedata; if (item != null) { Solution[item.x, item.y] = (char)((int)'A' + figureId); } } node = node.right; } while (node != figure); } } return(result); }
void AddFigureToMatrix(long[] figure, int figureId, int fCol, int fRow) { int nFigureRows = figure.Length; ArrayList newRow = new ArrayList(); // adding all five field nodes for (int row = 0; row < nFigureRows; row++) { for (int col = 0; col < 5; col++) { if ((figure[row] & (1 << col)) != 0) { // add new node to header NodeItem item = field[row + fRow, col + fCol]; foreach (ExactCover.ColumnHeader colHeader in dancingLinks.columnHeaders) { if (colHeader.nodedata == item) { ExactCover.Node newNode = new ExactCover.Node() { nodedata = item }; colHeader.Add(newNode); newRow.Add(newNode); break; } } } } } // adding figure node NodeFigure nodeFigure = Array.Find <NodeFigure>(figureNodes, (fNode) => (fNode.figureId == figureId)); foreach (ExactCover.ColumnHeader colHeader in dancingLinks.columnHeaders) { if (colHeader.nodedata == nodeFigure) { ExactCover.Node newNode = new ExactCover.Node() { nodedata = nodeFigure }; colHeader.Add(newNode); newRow.Add(newNode); break; } } // establishing links between nodes in a row through left and right pointers ExactCover.Node startNode = null; ExactCover.Node previousNode = null; for (ExactCover.Node node = dancingLinks.rootHeader.right; node != dancingLinks.rootHeader; node = node.right) { foreach (ExactCover.Node rowNode in newRow) { if ((startNode == null) && (node.nodedata == rowNode.nodedata)) { startNode = rowNode; previousNode = rowNode; continue; } if ((startNode != null) && (node.nodedata == rowNode.nodedata)) { ExactCover.Node currentNode = rowNode; previousNode.right = currentNode; currentNode.left = previousNode; previousNode = currentNode; } } } previousNode.right = startNode; startNode.left = previousNode; }
void InitMatrix() { // counting the number of source nodes and creating field of them field = new NodeItem[ fieldSource.GetLength(0), fieldSource.GetLength(1) ]; // counting nodes int nodeItemCount = 0; for (int x = 0; x < fieldSource.GetLength(0); x++) { for (int y = 0; y < fieldSource.GetLength(1); y++) { if (fieldSource[x, y] == 1) { NodeItem item = new NodeItem() { x = x, y = y }; field[x,y] = item; nodeItemCount++; } } } dancingLinks.InitHeaders(nodeItemCount + figureSet.FigureCount); // assigning a node to every column header just to make it distinct ExactCover.Node header = dancingLinks.rootHeader.right; for (int x = 0; x < field.GetLength(0); x++) { for (int y = 0; y < field.GetLength(1); y++) { if (field[x, y] != null) { header.nodedata = field[x, y]; header = header.right; } } } // assigning a node containing figure id to header columns figureNodes = new NodeFigure[ figureSet.FigureCount ]; for (int i = 0; i < figureSet.FigureCount; i++) { var newNode = new NodeFigure() { figureId = i }; header.nodedata = newNode; // all figure headers are optional ((ExactCover.ColumnHeader) header).optional = true; header = header.right; figureNodes[i] = newNode; } }