a contextual menu for setting glyph mark colors

set_contextual_mark_colors.py

from mojo.subscriber import Subscriber, registerRoboFontSubscriber, unregisterRoboFontSubscriber
from mojo.UI import getDefault
from AppKit import NSMenuItem
from mojo.tools import CallbackWrapper
import ezui

class set_contextual_mark_colors(Subscriber):

    debug = True

    def build(self):
        self._callbacks = []
        self.color_map = {}

    @property
    def mark_colors(self):
        items = []
        for color, text in getDefault("markColors"):

            self.color_map[text] = tuple(color) # store color and its name
            item = NSMenuItem.alloc().initWithTitle_action_keyEquivalent_(text, "action:", "")

            target = CallbackWrapper(self.set_mark_colors)
            self._callbacks.append(target) # we need to keep a live reference to the callback
            item.setTarget_(target)

            image = ezui.makeImage(
                symbolName="circle.fill", 
                symbolConfiguration=dict(
                    renderingMode='palette', 
                    colors=[color]
                    )
                )   # thanks tal and ryan
            item.setImage_(image)
            items.append(item)
        return items



    def compile_color_menu(self):
        myMenuItems = [
            ("Set Mark Color(s)", 
                [
                    color for color in self.mark_colors
                ]
            ),
        ]
        return myMenuItems

    def glyphEditorWantsContextualMenuItems(self, info):
        info["itemDescriptions"].extend(self.compile_color_menu())
        self.glyphs = [info["glyph"]]

    def fontOverviewWantsContextualMenuItems(self, info):
        info["itemDescriptions"].extend(self.compile_color_menu())
        self.glyphs = CurrentFont().selectedGlyphs

    def set_mark_colors(self, sender):
        for glyph in self.glyphs:
            with glyph.undo():
                glyph.markColor = self.color_map[sender.title()]
                glyph.changed()
        


if __name__ == '__main__':
    registerRoboFontSubscriber(set_contextual_mark_colors)