diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/extensions/base.py | 2 | ||||
| -rw-r--r-- | lib/extensions/params.py | 29 |
2 files changed, 21 insertions, 10 deletions
diff --git a/lib/extensions/base.py b/lib/extensions/base.py index 8edfe797..4589132f 100644 --- a/lib/extensions/base.py +++ b/lib/extensions/base.py @@ -111,7 +111,7 @@ class InkstitchExtension(inkex.Effect): inkex.errormsg(_("No embroiderable paths selected.")) else: inkex.errormsg(_("No embroiderable paths found in document.")) - inkex.errormsg(_("Tip: use Path -> Object to Path to convert non-paths before embroidering.")) + inkex.errormsg(_("Tip: use Path -> Object to Path to convert non-paths.")) def descendants(self, node): nodes = [] diff --git a/lib/extensions/params.py b/lib/extensions/params.py index 2e7d3f90..9d8de41b 100644 --- a/lib/extensions/params.py +++ b/lib/extensions/params.py @@ -639,6 +639,9 @@ class SettingsFrame(wx.Frame): self.Layout() # end wxGlade +class NoValidObjects(Exception): + pass + class Params(InkstitchExtension): def __init__(self, *args, **kwargs): self.cancelled = False @@ -696,6 +699,11 @@ class Params(InkstitchExtension): def create_tabs(self, parent): tabs = [] + nodes_by_class = self.get_nodes_by_class() + + if not nodes_by_class: + raise NoValidObjects() + for cls, nodes in self.get_nodes_by_class(): params = cls.get_params() @@ -752,12 +760,15 @@ class Params(InkstitchExtension): self.cancelled = True def effect(self): - app = wx.App() - frame = SettingsFrame(tabs_factory=self.create_tabs, on_cancel=self.cancel) - frame.Show() - app.MainLoop() - - if self.cancelled: - # This prevents the superclass from outputting the SVG, because we - # may have modified the DOM. - sys.exit(0) + try: + app = wx.App() + frame = SettingsFrame(tabs_factory=self.create_tabs, on_cancel=self.cancel) + frame.Show() + app.MainLoop() + + if self.cancelled: + # This prevents the superclass from outputting the SVG, because we + # may have modified the DOM. + sys.exit(0) + except NoValidObjects: + self.no_elements_error() |