Fix ColumnSorterMixin attribute name and sheet detection

Use itemDataMap (required by wx mixin) instead of item_data_map,
and use fp.GetSheetname() instead of GetProperties() lookup.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

plugins/component_table/__init__.py

@@ -1,6 +1,7 @@
 import pcbnew
 import wx
 import wx.lib.mixins.listctrl as listmix
+import traceback
 
 
 COLUMNS = ['Designation', 'Value', 'Library', 'Package', 'Sheet']
@@ -15,7 +16,7 @@ class Sortable_Component_List(wx.ListCtrl, listmix.ColumnSorterMixin):
 		col_widths = [100, 120, 160, 200, 200]
 		for i, (col, w) in enumerate(zip(COLUMNS, col_widths)):
 			self.InsertColumn(i, col, width=w)
-		self.item_data_map = {}
+		self.itemDataMap = {}
 		listmix.ColumnSorterMixin.__init__(self, len(COLUMNS))
 
 	def GetListCtrl(self):
@@ -23,13 +24,13 @@ class Sortable_Component_List(wx.ListCtrl, listmix.ColumnSorterMixin):
 
 	def populate(self, rows):
 		self.DeleteAllItems()
-		self.item_data_map = {}
+		self.itemDataMap = {}
 		for idx, row in enumerate(rows):
 			item = self.InsertItem(idx, row[0])
 			for col, val in enumerate(row[1:], start=1):
 				self.SetItem(idx, col, val)
 			self.SetItemData(idx, idx)
-			self.item_data_map[idx] = row
+			self.itemDataMap[idx] = row
 
 
 class Component_Table_Dialog(wx.Dialog):
@@ -60,17 +61,9 @@ class Component_Table_Dialog(wx.Dialog):
 
 def _get_sheet(fp):
 	try:
-		props = fp.GetProperties()
-		for key in ('Sheetname', 'Sheet', 'sheet'):
-			val = props.get(key, '')
-			if val:
-				return val
-	except Exception:
-		pass
-	try:
-		path = str(fp.GetPath())
-		if path and path != '/':
-			return path
+		name = fp.GetSheetname()
+		if name:
+			return name
 	except Exception:
 		pass
 	return '-'
@@ -85,6 +78,23 @@ class Component_Table_Action(pcbnew.ActionPlugin):
 		self.icon_file_name = ''
 
 	def Run(self):
+		try:
+			self._run()
+		except Exception:
+			msg = traceback.format_exc()
+			dlg = wx.Dialog(None, title='Component Table — Error', size=(600, 350))
+			sizer = wx.BoxSizer(wx.VERTICAL)
+			txt = wx.TextCtrl(dlg, value=msg, style=wx.TE_MULTILINE | wx.TE_READONLY | wx.HSCROLL)
+			txt.SetFont(wx.Font(9, wx.FONTFAMILY_TELETYPE, wx.FONTSTYLE_NORMAL, wx.FONTWEIGHT_NORMAL))
+			sizer.Add(txt, 1, wx.EXPAND | wx.ALL, 6)
+			btn = wx.Button(dlg, wx.ID_CLOSE, 'Close')
+			btn.Bind(wx.EVT_BUTTON, lambda e: dlg.Close())
+			sizer.Add(btn, 0, wx.ALIGN_RIGHT | wx.RIGHT | wx.BOTTOM, 8)
+			dlg.SetSizer(sizer)
+			dlg.ShowModal()
+			dlg.Destroy()
+
+	def _run(self):
 		board = pcbnew.GetBoard()
 		components = []