E-Paper-Calendar/Calendar/CryptoListDesign.py

from DesignEntity import DesignEntity
from TableDesign import TableDesign
from Assets import defaultfontsize
from GeckoCrypto import GeckoCrypto
from settings import crypto_coins

xpadding = 5


class CryptoListDesign (DesignEntity):
    def __init__(self, size, crypto, text_size=defaultfontsize):
        super(CryptoListDesign, self).__init__(size)
        self.crypto = crypto
        self.text_size = text_size
        self.matrix = self.__get_matrix__()

    def __finish_image__(self):
        col_spacing = 10
        if len(self.matrix) > 0:
            col_spacing = (self.size[0] / len(self.matrix[0])) * 0.5

        table_design = TableDesign(self.size, matrix=self.matrix, col_spacing=col_spacing,
                                   fontsize=self.text_size, mask=False, truncate_rows=True)
        table_design.pos = (xpadding, 0)
        self.draw_design(table_design)

    def __get_matrix__(self):
        matrix = []
        coins = self.crypto.get_coins()
        for coin in coins:
            row = [coin.symbol.upper(), coin.name, coin.currency + " " +
                   str(coin.price), "% " + str(coin.day_change)]
            matrix.append(row)
        return matrix

    def get_estimated_height(self):
        line_height = self.text_size * 1.25
        height = line_height * len(self.matrix)
        return height