internal void To(DrawIOComponent tc, string text)
{
destinationComponent.Add(new DrawIOComponentLink(tc, text));
tc.From(this);
}
private void From(DrawIOComponent parentNode)
{
parents.Add(parentNode);
}
public DrawIOComponent[] FlowchartBuilder(string[] lines)
{
string[] starticons = new string[] { "((", "(", "[", "<" };
string[] endicons = new string[] { "))", ")", "]", ">" };
string[] componenttypes = new string[] { "OVAL", "ROUNDRECT", "RECTANGLE", "DIAMOND" };
List <DrawIOComponent> component = new List <DrawIOComponent> {
};
Dictionary <string, DrawIOComponent> componentMap = new Dictionary <string, DrawIOComponent>();
//each line should be filtered to type of link or shape
// link contains a --
foreach (var line in lines)
{
if (line.Trim().Length == 0)
{
continue;
}
if (line.Trim().StartsWith("graph "))
{
DrawIOComponent.LR = line.Trim().Substring(6).Equals("LR");
continue;
}
if (!line.Contains("--"))
{
// this is a component
//loop over the component and speparate text and Key
var isKey = true;
var isQuoted = false;
DrawIOComponent ct = null;
var text = "";
var key = "";
var componentType = "";
//identify location of Symbol
int startIconIdx = -1;
int iconpos = -1;
for (int i = 0; i < starticons.Length; i++)
{
var tmpIdx = line.IndexOf(starticons[i]);
if (tmpIdx > -1)
{
if (tmpIdx < startIconIdx || startIconIdx == -1)
{
startIconIdx = tmpIdx;
iconpos = i;
}
}
}
key = line.Substring(0, startIconIdx);
int symbolstart = startIconIdx + starticons[iconpos].Length;
int symbolend = line.IndexOf(endicons[iconpos]);
text = line.Substring(symbolstart, symbolend - symbolstart).Trim();
if (text.StartsWith("\"") && text.EndsWith("\""))
{
text = text.Substring(1, text.Length - 2);
}
componentType = componenttypes[iconpos];
switch (componentType)
{
case "RECTANGLE":
ct = new Rectangle(0, 0, 100, 50);
break;
case "ROUNDRECT":
ct = new RoundedRectangle(0, 0, 100, 50);
break;
case "OVAL":
ct = new Circle(0, 0, 100);
break;
case "DIAMOND":
ct = new Rectangle(0, 0, 100, 50);
break;
}
//design
string addlInfo = line.Substring(symbolend + endicons[iconpos].Length);
if (addlInfo.Length > 0)
{
string[] addInfoArr = addlInfo.Split(';');
foreach (string addl in addInfoArr)
{
if (addl.Trim().StartsWith("#"))
{
ct.Fill(addl);
}
else
{
ct.AddCustomStyle(addl);
}
}
}
Console.WriteLine(key + " : " + text + " : " + ct.GetType());
ct.Text(text);
component.Add(ct);
componentMap.Add(key, ct);
}
}
foreach (var line in lines)
{
if (line.Contains("--"))
{
// Links can be --XXX--> or -->
// split by -->
int index = line.IndexOf("-->");
var toComponent = line.Substring(index + 3);
var fromComponent = line.Substring(0, index);
var fromIdx = fromComponent.IndexOf("--");
var text = "";
if (fromIdx > 0 - 1)
{
//the text is blank
fromComponent = fromComponent.Substring(0, fromIdx);
var toIdx = line.IndexOf("-->");
text = line.Substring(fromIdx + 2, toIdx - fromComponent.Length - 2).Replace("\"", "");
}
var fc = componentMap[fromComponent];
var tc = componentMap[toComponent];
fc.To(tc, text);
// link fromComponent to toComponent
// Remove from parent list since it no longer is a parent but a chile ement
component.Remove(tc);
}
}
return(component.ToArray());
}
