Add option to add colors to connector pins (#141)

src/wireviz/DataClasses.py

@@ -78,6 +78,7 @@ class Connector:
     notes: Optional[str] = None
     pinlabels: List[Any] = field(default_factory=list)
     pins: List[Any] = field(default_factory=list)
+    pincolors: List[Any] = field(default_factory=list)
     color: Optional[str] = None
     show_name: bool = None
     show_pincount: bool = None
@@ -122,6 +123,9 @@ def __post_init__(self):
         if len(self.pins) != len(set(self.pins)):
             raise Exception('Pins are not unique')
 
+        if self.pincolors:
+            self.pincolors.extend(["--"] * (len(self.pins) - len(self.pincolors)))  # autofill missing pincolors as 'no color'
+
         if self.show_name is None:
             self.show_name = not self.autogenerate # hide auto-generated designators by default
 

src/wireviz/Harness.py

@@ -110,14 +110,28 @@ def create_graph(self) -> Graph:
                 pinhtml = []
                 pinhtml.append('<table border="0" cellspacing="0" cellpadding="3" cellborder="1">')
 
-                for pin, pinlabel in zip(connector.pins, connector.pinlabels):
+                # TODO: How to solve more elegantly?
+                if connector.pincolors:
+                    pincolorlist = connector.pincolors
+                else:
+                    pincolorlist = ['--'] * len(connector.pins) # currently need this list for use in zip function below
+
+                for pin, pinlabel, pincolor in zip(connector.pins, connector.pinlabels, pincolorlist):
                     if connector.hide_disconnected_pins and not connector.visible_pins.get(pin, False):
                         continue
                     pinhtml.append('   <tr>')
                     if connector.ports_left:
                         pinhtml.append(f'    <td port="p{pin}l">{pin}</td>')
                     if pinlabel:
                         pinhtml.append(f'    <td>{pinlabel}</td>')
+                    if connector.pincolors:
+                        if pincolor in wv_colors._color_hex.keys():
+                            pinhtml.append(f'<td sides="tbl">{pincolor}</td>')
+                            pinhtml.append(f'<td sides="tbr"><table border="0" cellborder="1"><tr><td bgcolor="{wv_colors.translate_color(pincolor, "HEX")}" width="8" height="8" fixedsize="true"></td></tr></table></td>')
+                        else:
+                            pinhtml.append(f'<td sides="tbl"></td>')
+                            pinhtml.append(f'<td sides="tbr"></td>')
+
                     if connector.ports_right:
                         pinhtml.append(f'    <td port="p{pin}r">{pin}</td>')
                     pinhtml.append('   </tr>')