/// <summary>
/// save as bmp file
/// </summary>
/// <param name="n"></param>
/// <returns>Bitmap of current Node and children</returns>
public Bitmap drawTree(Node n)
{
Bitmap b;
Graphics g;
Options.OptionsData d = Options.OptionsData.Instance;
// set drawing options
justification = d.Justification;
join = d.Join;
treeOrientation = d.TreeOrientation;
useRnotation = d.Notation;
dropShadow = d.DropShadow;
boxShading = d.BoxShading;
showLegend = d.ShowLegend;
arrows = d.Arrow;
marker = d.Marker;
helpersAsCoPremises = d.HelpersAsCoPremises;
// Width and height calculation should only be a cross check
maxWidth = 0;
maxHeight = 0;
recalc(n);
b = new Bitmap((int)maxWidth + 20, (int)maxHeight + 20); // 20 pixel border
g = Graphics.FromImage(b); // gets the graphics drawing object
g.Clear(Color.White); // clears the background
drawTree(g, n);
return(b);
}
/// <summary>
/// Draws the tree from the specified node
/// </summary>
/// <param name="g">The Drawing GDI object</param>
/// <param name="n">Root Node</param>
public void drawTree(Graphics g, Node n)
{
graphics = g;
Options.OptionsData d = Options.OptionsData.Instance;
// set drawing options
justification = d.Justification;
join = d.Join;
treeOrientation = d.TreeOrientation;
useRnotation = d.Notation;
dropShadow = d.DropShadow;
boxShading = d.BoxShading;
showLegend = d.ShowLegend;
arrows = d.Arrow;
marker = d.Marker;
helpersAsCoPremises = d.HelpersAsCoPremises;
// Width and height calculation should only be a cross check
maxWidth = 0;
maxHeight = 0;
g.PageScale = zoom;
// if(needsRecalc)
recalc(n);
// calcStartXY(n,ref x,ref y);
// for debug
// g.DrawRectangle(new Pen(Color.Bisque),0,0,maxWidth,maxHeight);
// g.DrawString("maxHeight & maxWidth:"+maxWidth+" : "+maxHeight,new Font("Courier",8F),new SolidBrush(Color.Black),offsetX,offsetY+maxHeight+margin);
drawNode(n.x, n.y, n, 0);
legendY = maxHeight - legendHeight;
drawLegend(n, true);
}
public void Load(IO.IPersistStream stream)
{
this.JoinName = (string)stream.Load("joinname", "Join");
this.Field = (string)stream.Load("field", String.Empty);
this.JoinType = (joinType)stream.Load("jointype", (int)joinType.LeftOuterJoin);
_joinLayerId = (int)stream.Load("joinlayerid", -1);
this.JoinField = (string)stream.Load("joinfield", String.Empty);
}
/// <summary>
/// Draws the optional Reason or Objection tag in the appropriate spot
/// </summary>
/// <param name="n">Node being designated</param>
/// <param name="join"></param>
/// <param name="x">x-axis location</param>
/// <param name="y">y-axis location</param>
/// <param name="pen">pen to use</param>
/// <param name="brush">Brush to use</param>
private void drawElementMarker(Node n, joinType join, float x, float y, Pen pen, Brush brush)
{
// x,y is the base mid point of the indicator
// if(this.showElement == showElementType.roundBox)
{
string text;
text = n.ArgumentNodeTypeString();
text = text.Substring(0, 1);
GraphicsPath path = new GraphicsPath();
if (this.marker == markerType.lines)
{
// path.AddLine(x-5,y-5,x+5,y+5);
if (this.treeOrientation == treeOrientationType.top_down)
{
if (n.nodeType == Node.ArgumentNodeType.reason)
{
path.AddLine(x - 10F, y - 5, x, y - 5); // single bar left
}
if (n.nodeType == Node.ArgumentNodeType.objection)
{
path.AddLine(x, y - 5, x + 10F, y - 5); // bar right
}
if (n.nodeType == Node.ArgumentNodeType.helper)
{
path.AddLine(x - 10F, y - 5, x + 10F, y - 5); // bar across
}
}
// TODO Add markers for other orientations
// else if(this.treeOrientation == treeOrientationType.bottom_up)
// {
// if(n.nodeType == Node.ArgumentNodeType.reason)
// path.AddLine(x-10F,y+5+n.height,x,y+5+n.height); // single bar left
// if(n.nodeType == Node.ArgumentNodeType.objection)
// path.AddLine(x,y+5+n.height,x+10F,y+5+n.height); // bar right
// if(n.nodeType == Node.ArgumentNodeType.helper)
// path.AddLine(x-10F,y+5+n.height,x+10F,y+5+n.height); // bar across
// }
}
if (this.marker == markerType.letters)
{
FontFamily family = new FontFamily("Arial");
int fontStyle = (int)FontStyle.Regular;
int emSize = 24;
Point origin = new Point((int)x - emSize / 2, (int)y - emSize - 5);
StringFormat format = StringFormat.GenericDefault;
if (this.treeOrientation == treeOrientationType.top_down)
{
path.AddString(text, family, fontStyle, emSize, origin, format);
}
}
graphics.DrawPath(Pens.Black, path);
// drawFancyRectangle(x,y,15,10,pen,true);
}
}
public void Load(IO.IPersistStream stream)
{
this.JoinName = (string)stream.Load("joinname", "Join");
this.Field = (string)stream.Load("field", String.Empty);
this.JoinConnectionString = (string)stream.Load("joinconnectionstring", String.Empty);
this.JoinTable = (string)stream.Load("jointable", String.Empty);
this.JoinField = (string)stream.Load("joinfield", String.Empty);
_fields = stream.Load("Fields", null, new Fields()) as Fields;
_joinType = (joinType)stream.Load("jointype", (int)joinType.LeftOuterJoin);
}
/// <summary>
/// New drawing object for the argument map
/// </summary>
/// <param name="offsetX">Offset from the left</param>
/// <param name="offsetY">Offset from the top</param>
/// <param name="zoom">Magnification</param>
public DrawTree(float offsetX, float offsetY, float zoom)
{
// Create font and brush.
drawFont = new Font("Arial", 16);
drawFontSmall = new Font("Arial", 8);
drawBrush = new SolidBrush(Color.Black);
justification = justificationType.jCentre;
join = joinType.dogleg;
arrows = arrowType.none;
marker = markerType.none;
helpersAsCoPremises = false;
this.offsetX = offsetX; this.offsetY = offsetY;
this.zoom = zoom;
System.Diagnostics.Debug.Assert(zoom > 0F, "Zoom cannot be zero or less");
}
joins.Add(new JoinQueryItem(joinType, leftTable, rightTable, columnConnection, columnsConnection));
