vcs.maemo.org Git - ejpi/blob - ejpi/plugins/builtins.py

   1 from __future__ import division
   2
   3 import os
   4 import operator
   5 import math
   6
   7 from ejpi import operation
   8 from ejpi import plugin_utils
   9
  10
  11 _NAME = "Builtins"
  12 _ICON = "builtins.png"
  13 _MAP = {
  14         "name": _NAME,
  15         "keys": {
  16                 (0, 0): {
  17                         "CENTER": {"action": "7", "type": "text", "text": "7", },
  18                         "showAllSlices": True,
  19                 },
  20                 (0, 1): {
  21                         "CENTER": {"action": "8", "type": "text", "text": "8", },
  22                         "SOUTH": {"action": "[**]", "type": "text", "text": "x ** y", },
  23                         "EAST": {"action": "[sq]", "type": "text", "text": "x ** 2", },
  24                         "WEST": {"action": "[sqrt]", "type": "text", "text": "sqrt", },
  25                         "showAllSlices": False,
  26                 },
  27                 (0, 2): {
  28                         "CENTER": {"action": "9", "type": "text", "text": "9", },
  29                         "showAllSlices": True,
  30                 },
  31                 (1, 0): {
  32                         "CENTER": {"action": "4", "type": "text", "text": "4", },
  33                         "showAllSlices": True,
  34                 },
  35                 (1, 1): {
  36                         "CENTER": {"action": "5", "type": "text", "text": "5", },
  37                         "EAST": {"action": "[+]", "type": "text", "text": "+", },
  38                         "WEST": {"action": "[-]", "type": "text", "text": "-", },
  39                         "NORTH": {"action": "[*]", "type": "text", "text": "*", },
  40                         "SOUTH": {"action": "[/]", "type": "text", "text": "/", },
  41                         "showAllSlices": True,
  42                 },
  43                 (1, 2): {
  44                         "CENTER": {"action": "6", "type": "text", "text": "6", },
  45                         "showAllSlices": True,
  46                 },
  47                 (2, 0): {
  48                         "CENTER": {"action": "1", "type": "text", "text": "1", },
  49                         "NORTH": {"action": ".", "type": "text", "text": ".", },
  50                         "EAST": {"action": "0", "type": "text", "text": "0", },
  51                         "showAllSlices": True,
  52                 },
  53                 (2, 1): {
  54                         "CENTER": {"action": "2", "type": "text", "text": "2", },
  55                         "EAST": {"action": "[abs]", "type": "text", "text": "abs", },
  56                         "WEST": {"action": "[+-]", "type": "text", "text": "+/-", },
  57                         "showAllSlices": True,
  58                 },
  59                 (2, 2): {
  60                         "CENTER": {"action": "3", "type": "text", "text": "3", },
  61                         "NORTH": {"action": "[!]", "type": "text", "text": "x !", },
  62                         "WEST": {"action": "j", "type": "text", "text": "j", },
  63                         "showAllSlices": True,
  64                 },
  65         },
  66 }
  67 _ICON_PATH = [os.path.join(os.path.dirname(__file__), "images")]
  68 PLUGIN = plugin_utils.PieKeyboardPluginFactory(_NAME, _ICON, _MAP, _ICON_PATH)
  69
  70 addition = operation.generate_function(operator.add, "+", operation.Function.REP_INFIX, 2)
  71 subtraction = operation.generate_function(operator.sub, "-", operation.Function.REP_INFIX, 2)
  72 multiplication = operation.generate_function(operator.mul, "*", operation.Function.REP_INFIX, 2)
  73 trueDivision = operation.generate_function(operator.truediv, "/", operation.Function.REP_INFIX, 2)
  74
  75 PLUGIN.register_operation("+", addition)
  76 PLUGIN.register_operation("-", subtraction)
  77 PLUGIN.register_operation("*", multiplication)
  78 PLUGIN.register_operation("/", trueDivision)
  79
  80 exponentiation = operation.generate_function(operator.pow, "**", operation.Function.REP_INFIX, 2)
  81 abs = operation.generate_function(operator.abs, "abs", operation.Function.REP_FUNCTION, 1)
  82 try:
  83         fact_func = math.factorial
  84 except AttributeError:
  85         def fact_func(self, num):
  86                 if num <= 0:
  87                         return 1
  88                 return num * fact_func(self, num - 1)
  89 factorial = operation.generate_function(fact_func, "!", operation.Function.REP_POSTFIX, 1)
  90 negate = operation.generate_function(operator.neg, "+-", operation.Function.REP_PREFIX, 1)
  91 square = operation.generate_function((lambda self, x: x ** 2), "sq", operation.Function.REP_FUNCTION, 1)
  92 square_root = operation.generate_function((lambda self, x: x ** 0.5), "sqrt", operation.Function.REP_FUNCTION, 1)
  93
  94 # @todo Possibly make a graphic for this of x^y
  95 PLUGIN.register_operation("**", exponentiation)
  96 PLUGIN.register_operation("abs", abs)
  97 PLUGIN.register_operation("!", factorial)
  98 PLUGIN.register_operation("+-", negate)
  99 PLUGIN.register_operation("sq", square)
 100 PLUGIN.register_operation("sqrt", square_root)