Add option to define connector pin colors (#141)

Author: 17o2

src/wireviz/DataClasses.py

@@ -96,6 +96,7 @@ class Connector:
     notes: Optional[MultilineHypertext] = None
     pinlabels: List[Pin] = field(default_factory=list)
     pins: List[Pin] = field(default_factory=list)
+    pincolors: List[Color] = field(default_factory=list)
     color: Optional[Color] = None
     show_name: Optional[bool] = None
     show_pincount: Optional[bool] = None
@@ -140,6 +141,9 @@ def __post_init__(self) -> None:
         if len(self.pins) != len(set(self.pins)):
             raise Exception('Pins are not unique')
 
+        if self.pincolors:
+            self.pincolors.extend([None] * (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 +110,24 @@ 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):
+                for pin, pinlabel, pincolor in zip(connector.pins,
+                                                   connector.pinlabels,
+                                                   connector.pincolors if connector.pincolors else [None] * len(connector.pins)):
                     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>')