99 lines
3.3 KiB
Python
99 lines
3.3 KiB
Python
from typing import Tuple
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from ..base import View
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from ..button_interface import ButtonInterface
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from .recipe_manager import RecipeManager
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from .recipe import V60, ESPRESSO
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from PIL import ImageDraw, Image
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class RecipeSelection(View, ButtonInterface):
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@property
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def recipes(self):
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return self.recipe_manager.recipes
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def __init__(self, parent, im_size, center,
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recipe_manager: RecipeManager = None,
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edit_recipe_command=None,
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deactivate_command=None):
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self.selected_index = 0
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self.deactivate_command = deactivate_command
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self.recipe_manager = recipe_manager
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self.edit_recipe_command = edit_recipe_command
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super().__init__(parent, im_size, center)
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def _get_visual_recipes(self):
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recipes = self.recipes + ['+', 'BACK']
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if len(recipes) < 5:
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return recipes, 0
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start = max(0, self.selected_index - 2)
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end = min(len(recipes), start + 5)
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recipes = recipes[start:end]
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return recipes, start
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def update_weight(self, weight: float) -> Image.Image:
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im = self.bkg_im.copy()
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draw = ImageDraw.Draw(im)
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recipes, start = self._get_visual_recipes()
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for idx, recipe in enumerate(recipes):
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if idx + start == self.selected_index:
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r = 10
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offset = 15
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for i in range(0, 90, r // 2):
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draw.circle((40 + i, offset + idx * 20), r, fill='black')
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if str(recipe) != 'BACK':
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draw.text((40, 10 + idx * 20), str(recipe), fill='white')
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else:
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draw.regular_polygon((40 + 5, 15 + idx * 20, 5), 3, fill='white', rotation=90)
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elif str(recipe) == 'BACK':
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draw.regular_polygon((40 + 5, 15 + idx * 20, 5), 3, fill='black', rotation=90)
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else:
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draw.text((40, 10 + idx * 20), str(recipe), fill='black')
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return im
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def left_press(self):
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self.selected_index = (self.selected_index - 1) % (len(self.recipes) + 2)
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def left_long_press(self):
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if self.selected_index < len(self.recipes):
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self.edit_recipe_command(self.selected_index)
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def right_press(self):
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self.selected_index = (self.selected_index + 1) % (len(self.recipes) + 2)
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def right_long_press(self):
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if self.selected_index < len(self.recipes):
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# activate selected recipe
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print(f"Activating recipe: {self.recipes[self.selected_index]}")
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elif self.selected_index == len(self.recipes):
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# add new recipe
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self.edit_recipe_command()
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else:
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# back
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self.selected_index = 0
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self.deactivate_command()
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def has_button(self) -> Tuple[bool, bool, bool, bool]:
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return True, True, True, True
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def render_left_press(self, draw, x, y):
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draw.regular_polygon((x, y+2, 5), 3, fill='black')
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def render_left_long_press(self, draw, x, y):
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draw.text((x, y-5), 'Edit', fill='black')
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def render_right_press(self, draw, x, y):
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draw.regular_polygon((x, y+4, 5), 3, fill='black', rotation=180)
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def render_right_long_press(self, draw, x, y):
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draw.regular_polygon((x+2, y, 5), 3, fill='black', rotation=270)
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