Bringing up to date with VisPyCanvas. Mostly migration of Tcl commands to new architecture.

tclCommands/TclCommandDelete.py

@@ -0,0 +1,54 @@
+from ObjectCollection import *
+import TclCommand
+
+
+class TclCommandDelete(TclCommand.TclCommand):
+    """
+    Tcl shell command to delete an object.
+
+    example:
+
+    """
+
+    # List of all command aliases, to be able use old names for backward compatibility (add_poly, add_polygon)
+    aliases = ['delete']
+
+    # Dictionary of types from Tcl command, needs to be ordered
+    arg_names = collections.OrderedDict([
+        ('name', str),
+    ])
+
+    # Dictionary of types from Tcl command, needs to be ordered , this  is  for options  like -optionname value
+    option_types = collections.OrderedDict([
+
+    ])
+
+    # array of mandatory options for current Tcl command: required = {'name','outname'}
+    required = ['name']
+
+    # structured help for current command, args needs to be ordered
+    help = {
+        'main': 'Deletes the given object.',
+        'args': collections.OrderedDict([
+            ('name', 'Name of the Object.'),
+        ]),
+        'examples': []
+    }
+
+    def execute(self, args, unnamed_args):
+        """
+
+        :param args:
+        :param unnamed_args:
+        :return:
+        """
+
+        obj_name = args['name']
+
+        try:
+            # deselect all  to avoid delete selected object when run  delete  from  shell
+            self.app.collection.set_all_inactive()
+            self.app.collection.set_active(str(obj_name))
+            self.app.on_delete()  # Todo: This is an event handler for the GUI... bad?
+        except Exception as e:
+            return "Command failed: %s" % str(e)