def __init__(self, parent, app, cms_ref, onchange=None):
self.cms = cms_ref
self.app = app
self.callback = onchange
wal.HPanel.__init__(self, parent)
current_palette = self.get_current_palette()
self.palviewer = PaletteViewer(self, self.cms, current_palette,
self.on_change)
self.pack(self.palviewer, fill=True)
self.pack((5, 5))
view_panel = wal.VPanel(self)
view_panel.pack(wal.Label(view_panel, _('Palette:')),
align_center=False)
pal_list = self.get_palette_list()
self.pal = wal.Combolist(view_panel,
items=pal_list,
onchange=self.change_palette)
current_palette_name = current_palette.model.name
self.pal.set_active(pal_list.index(current_palette_name))
view_panel.pack(self.pal, fill=True)
self.sticker = ColorSticker(view_panel, self.cms)
view_panel.pack(self.sticker, padding=5)
self.pack(view_panel, fill=True, expand=True)
self.palviewer.set_active_color()
