SwatchBox proto

"""A graphical selector for "swatches," which may be colors, textures,
or standalone sprites."""
from kivy.uix.gridlayout import GridLayout
from kivy.uix.togglebutton import ToggleButton
from kivy.properties import (
    NumericProperty,
    StringProperty,
    ObjectProperty)


kv = """
<Swatch>:
    BoxLayout:
        orientation: 'vertical'
        pos: root.pos
        size: root.size
        Image:
            texture: root.display_texture
        Label:
            text: root.display_text
            color: root.color
            disabled_color: root.disabled_color
            font_name: root.font_name
            font_size: root.font_size
            disabled: root.state == 'normal'
"""


class Swatch(ToggleButton):
    display_text = StringProperty()
    display_texture = ObjectProperty()


class SwatchBox(GridLayout):
    texdict = ObjectProperty()
    style = ObjectProperty()
    finality = NumericProperty(0)

    def on_texdict(self, i, v):
        self.finality += 1

    def on_style(self, i, v):
        self.finality += 1

    def on_parent(self, i, v):
        self.finality += 1

    def on_finality(self, i, v):
        if v == 3:
            self.finalize()

    def finalize(self):
        for (key, val) in self.texdict.iteritems():
            self.add_widget(Swatch(
                display_text=key, display_texture=val,
                background_color=self.style.bg_active.rgba,
                color=self.style.text_active.rgba,
                disabled_color=self.style.text_inactive.rgba,
                font_name=self.style.fontface,
                font_size=self.style.fontsize))