# -*-coding:Utf-8 -*

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"""Fichier contenant le contexte éditeur EdtCouleur"""

from primaires.interpreteur.editeur.uniligne import Uniligne
from primaires.format.constantes import COULEURS

class EdtCouleur(Uniligne):
    
    """Classe définissant le contexte éditeur 'couleur'.
    Ce contexte permet d'éditer la couleur d'un canal.
    
    """
    
    def __init__(self, pere, objet=None, attribut=None):
        """Constructeur de l'éditeur"""
        Uniligne.__init__(self, pere, objet, attribut)
    
    def accueil(self):
        """Message d'accueil du contexte"""
        canal = self.objet
        msg = self.aide_courte
        msg += "Couleurs disponibles : "
        for nom, clr in COULEURS.items():
            msg += clr + nom + "|ff|, "
            if nom == "blanc": # on insère un saut de ligne à l'arrache
                msg += "\n"
        msg = msg[0:-2] + "."
        msg += "\nCouleur actuelle : " + canal.clr + canal.clr_nom + "|ff|"
        return msg
    
    def interpreter(self, msg):
        """Interprétation du message"""
        msg = msg.lower()
        if not msg in COULEURS:
            self.pere.envoyer("|err|Cette couleur n'existe pas.|ff|")
        else:
            self.objet.clr = COULEURS[msg]
            self.actualiser()
