Mercurial > parpg-core

annotate src/parpg/gui/inventorygui.py @ 149:eab3e1e52497

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Modified EquipmentSlot to display an image instead of a text. Added EquipmentGui class, which handles the equipment slots of the player screen. An EquipmentGui instance will be created in the InventoryGUI constructor. The initializeInventory method of the Hud class supplies the players inventory and equipment to the InventoryGUI constructor.
author KarstenBock@gmx.net
date Wed, 05 Oct 2011 11:04:39 +0200
parents a5ea5b8f63d4
children 3fc7cfa80771
rev   line source
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1 # This file is part of PARPG.
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2
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3 # PARPG is free software: you can redistribute it and/or modify
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4 # it under the terms of the GNU General Public License as published by
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5 # the Free Software Foundation, either version 3 of the License, or
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6 # (at your option) any later version.
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7
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8 # PARPG is distributed in the hope that it will be useful,
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9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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11 # GNU General Public License for more details.
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12
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13 # You should have received a copy of the GNU General Public License
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14 # along with PARPG. If not, see <http://www.gnu.org/licenses/>.
149
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15 import logging
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16
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17 from fife.extensions.pychan.tools import callbackWithArguments as cbwa
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18 from fife.extensions import pychan
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19 from fife.extensions.pychan.attrs import UnicodeAttr
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20
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21 from parpg.gui import drag_drop_data as data_drag
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22 #from parpg.objects.base import Container
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23 from parpg.gui.containergui_base import ContainerGUIBase
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24 from parpg.objects.action import ACTIONS
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25 from parpg.components import equip
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26
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27 logger = logging.getLogger('action')
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28
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29 class EquipmentSlot(pychan.VBox):
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30 def __init__(self, min_size=(50, 50),
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31 max_size=(50, 50), margins=None,
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32 **kwargs):
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33 pychan.VBox.__init__(self, min_size=min_size, max_size=max_size,
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34 **kwargs)
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35 self.background_image = 'gui/inv_images/inv_background.png'
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36 icon = pychan.Icon(name="Icon")
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37 self.addChild(icon)
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38 self.adaptLayout()
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39 if self.parent is not None:
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40 self.beforeShow()
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41
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42 @property
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43 def image(self):
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44 icon = self.findChildByName("Icon")
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45 return icon.image
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46
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47 @image.setter
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48 def image(self, image):
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49 icon = self.findChildByName("Icon")
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50 icon.image = image
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51
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52 class InventoryGrid(pychan.VBox):
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53 ATTRIBUTES = pychan.VBox.ATTRIBUTES + [pychan.attrs.PointAttr('grid_size')]
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54
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55 def _setNColumns(self, n_columns):
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56 n_rows = self.grid_size[1]
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57 self.grid_size = (n_columns, n_rows)
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58
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59 def _getNColumns(self):
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60 n_columns = self.grid_size[0]
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61 return n_columns
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62 n_columns = property(fget=_getNColumns, fset=_setNColumns)
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63
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64 def _setNRows(self, n_rows):
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65 n_columns = self.grid_size[0]
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66 self.grid_size = (n_columns, n_rows)
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67
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68 def _getNRows(self):
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69 n_rows = self.grid_size[1]
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70 return n_rows
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71 n_rows = property(fget=_getNRows, fset=_getNColumns)
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72
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73 def _setGridSize(self, grid_size):
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74 n_columns, n_rows = grid_size
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75 self.removeAllChildren()
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76 for row_n in range(n_rows):
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77 row_size = (n_columns * 50, 50)
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78 row = pychan.HBox(min_size=row_size, max_size=row_size,
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79 padding=self.padding)
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80 row.border_size = 1
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81 row.opaque = 0
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82 for column_n in range(n_columns):
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83 slot = pychan.Icon(min_size=(50, 50), max_size=(50, 50))
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84 slot.border_size = 1
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85 row.addChild(slot)
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86 self.addChild(row)
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87 self.min_size = ((n_columns * 50) + 2, (n_rows * 50) + 2)
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88 self.max_size = self.min_size
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89
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90 def _getGridSize(self):
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91 n_rows = len(self.children)
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92 n_columns = len(self.children[0].children)
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93 return (n_rows, n_columns)
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94 grid_size = property(fget=_getGridSize, fset=_setGridSize)
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95
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96 def __init__(self, grid_size=(2, 2), padding=0, **kwargs):
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97 pychan.VBox.__init__(self, padding=padding, **kwargs)
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98 self.opaque = 0
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99 self.grid_size = grid_size
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100 self.border_size = 1
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101
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102
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103 class EquipmentGui(ContainerGUIBase):
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104 def __init__(self, controller, gui, equip, callbacks):
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105 ContainerGUIBase.__init__(self, controller, gui)
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106 self.equip = equip
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107 self.equip_to_gui = {
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108 "head": "headSlot",
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109 "neck": "neckSlot",
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110 "body": "shirtSlot",
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111 "belt": "beltSlot",
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112 "leg": "pantsSlot",
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113 "feet": "bootsSlot",
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114 "l_arm": "leftHandSlot",
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115 "r_arm": "rightHandSlot",
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116 }
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117
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118 def updateImages(self):
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119 for eq_slot, gui_slot in self.equip_to_gui.iteritems():
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120 widget = self.gui.findChild(name=gui_slot)
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121 equipable = equip.get_equipable(self.equip, eq_slot)
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122 widget.item = equipable.entity if equipable else None
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123 self.updateImage(widget)
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124
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125 def updateImage(self, slot):
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126 assert(isinstance(slot, EquipmentSlot))
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127 if (slot.item):
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128 image = slot.item.containable.image
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129 else:
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130 image = None
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131 slot.image = image
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132
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133 class InventoryGUI(ContainerGUIBase):
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134 def __init__(self, controller, gui, container, equip, callbacks):
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135 super(InventoryGUI, self).__init__(controller, gui)
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136 self.engine = controller.engine
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137 self.inventory_shown = False
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138 render_backend = self.engine.getRenderBackend()
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139 screen_mode = render_backend.getCurrentScreenMode()
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140 screen_width, screen_height = (screen_mode.getWidth(),
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141 screen_mode.getHeight())
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142 widget_width, widget_height = self.gui.size
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143 self.gui.position = ((screen_width - widget_width) / 2,
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144 (screen_height - widget_height) / 2)
149
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145 self.equip_gui = EquipmentGui(
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146 controller,
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147 self.gui.findChildByName("equipmentPage"),
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148 equip, callbacks
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149 )
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150
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151 def toggleInventory(self, toggleImage=True):
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152 """Pause the game and enter the inventory screen, or close the
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153 inventory screen and resume the game.
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154 @type toggleImage: bool
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155 @param toggleImage:
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156 Call toggleInventoryCallback if True. Toggling via a
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157 keypress requires that we toggle the Hud inventory image
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158 explicitly. Clicking on the Hud inventory button toggles the
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159 image implicitly, so we don't change it.
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160 @return: None"""
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161 if not self.inventory_shown:
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162 self.showInventory()
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163 self.inventory_shown = True
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164 else:
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165 self.closeInventory()
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166 self.inventory_shown = False
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167
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168 def showInventory(self):
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169 self.equip_gui.updateImages()
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170 self.gui.show()
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171
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172 def closeInventory(self):
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173 self.gui.hide()
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174
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175
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176 class _InventoryGUI(ContainerGUIBase):
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177 """Inventory GUI class"""
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178 def __init__(self, controller, inventory, callbacks):
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179 """Initialise the instance.
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180 @param controller: Current Controller
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181 @type controller: Class derived from ControllerBase
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182 @type inventory: Inventory
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183 @param inventory: An inventory object to be displayed and manipulated
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184 @type callbacks: dict
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185 @param callbacks: a dict of callbacks
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186 refreshReadyImages:
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187 Function that will make the ready slots on the HUD
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188 reflect those within the inventory
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189 toggleInventoryButton:
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190 Function that will toggle the state of the inventory button
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191 @return: None"""
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192 super(InventoryGUI, self).__init__(controller, "gui/inventory.xml")
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193 self.engine = controller.engine
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194 self.readyCallback = callbacks['refreshReadyImages']
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195 self.toggleInventoryButtonCallback = callbacks['toggleInventoryButton']
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196 self.original_cursor_id = self.engine.getCursor().getId()
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197
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198 self.inventory_shown = False
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199 events_to_map = {}
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200 self.inventory_storage = inventory
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201
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202 # Buttons of inventory arranged by slots
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203
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204 self.slot_buttons = {'head': ('Head',), 'chest': ('Body',),
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205 'left_arm': ('LeftHand',),
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206 'right_arm': ('RightHand',),
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207 'hips' : ('Belt',), 'left_leg': ('LeftFoot',),
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208 'right_leg': ('RightFoot',),
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209 'left_hand': ('LeftHeld',),
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210 'right_hand': ('RightHeld',),
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211 'backpack': ('A1', 'A2', 'A3', 'A4', 'A5',
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212 'B1', 'B2', 'B3', 'B4', 'B5',
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213 'C1', 'C2', 'C3', 'C4', 'C5',
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214 'D1', 'D2', 'D3', 'D4', 'D5'),
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215 'ready': ('Ready1', 'Ready2', 'Ready3', 'Ready4')
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216 }
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217 # the images that should be used for the buttons when they are "empty"
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218 self.slot_empty_images = {'head':'gui/inv_images/inv_head.png',
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219 'chest':'gui/inv_images/inv_torso.png',
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220 'left_arm':'gui/inv_images/inv_lhand.png',
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221 'right_arm':'gui/inv_images/inv_rhand.png',
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222 'hips':'gui/inv_images/inv_belt.png',
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223 'left_leg':'gui/inv_images/inv_lfoot.png',
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224 'right_leg':'gui/inv_images/inv_rfoot.png',
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225 'left_hand':'gui/inv_images/inv_litem.png',
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226 'right_hand':'gui/inv_images/inv_ritem.png',
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227 'backpack':'gui/inv_images/inv_backpack.png',
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228 'ready':'gui/inv_images/inv_belt_pouches.png',
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229 }
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230 self.updateInventoryButtons()
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231
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232 for slot in self.slot_buttons:
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233 for _, button in enumerate(self.slot_buttons[slot]):
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234 events_to_map[button] = cbwa(self.dragDrop, button)
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235 events_to_map[button + "/mouseReleased"] = \
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236 self.showContextMenu
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237 events_to_map['close_button'] = self.closeInventoryAndToggle
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238 self.gui.mapEvents(events_to_map)
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239 # TODO: Why the commented out code?
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240 # self.resetMouseCursor()
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241
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242 def updateImages(self):
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243 self.updateInventoryButtons()
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244
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245 def updateInventoryButtons (self):
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246 for slot in self.slot_buttons:
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247 for index, button in enumerate(self.slot_buttons[slot]):
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248 widget = self.gui.findChild(name=button)
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249 widget.slot = slot
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250 widget.index = index
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251 widget.item = self.inventory_storage.getItemsInSlot(widget.slot,
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252 widget.index)
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253 self.updateImage(widget)
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254
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255 def updateImage(self, button):
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256 if (button.item == None):
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257 image = self.slot_empty_images[button.slot]
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258 else:
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259 image = button.item.getInventoryThumbnail()
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260 button.up_image = image
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261 button.down_image = image
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262 button.hover_image = image
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263
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264 def closeInventory(self):
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265 """Close the inventory.
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266 @return: None"""
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267 self.gui.hide()
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268
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269 def closeInventoryAndToggle(self):
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270 """Close the inventory screen.
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271 @return: None"""
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272 self.closeInventory()
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273 self.toggleInventoryButtonCallback()
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274 self.inventory_shown = False
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275
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276 def toggleInventory(self, toggleImage=True):
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277 """Pause the game and enter the inventory screen, or close the
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278 inventory screen and resume the game.
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279 @type toggleImage: bool
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280 @param toggleImage:
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281 Call toggleInventoryCallback if True. Toggling via a
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282 keypress requires that we toggle the Hud inventory image
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283 explicitly. Clicking on the Hud inventory button toggles the
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284 image implicitly, so we don't change it.
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285 @return: None"""
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286 if not self.inventory_shown:
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287 self.showInventory()
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288 self.inventory_shown = True
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289 else:
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290 self.closeInventory()
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291 self.inventory_shown = False
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292
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293 if toggleImage:
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294 self.toggleInventoryButtonCallback()
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295
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296 def showInventory(self):
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297 """Show the inventory.
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298 @return: None"""
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299 self.updateInventoryButtons()
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300 self.gui.show()
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301
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302 def dragObject(self, obj):
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303 """Drag the selected object.
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304 @type obj: string
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305 @param obj: The name of the object within
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306 the dictionary 'self.buttons'
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307 @return: None"""
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308 # get the widget from the inventory with the name obj
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309 drag_widget = self.gui.findChild(name = obj)
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310 drag_item = drag_widget.item
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311 # only drag if the widget is not empty
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312 if (drag_item != None):
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313 # get the item that the widget is 'storing'
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314 data_drag.dragged_item = drag_widget.item
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315 # get the up and down images of the widget
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316 up_image = drag_widget.up_image
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317 down_image = drag_widget.down_image
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318 # set the mouse cursor to be the widget's image
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319 self.controller.setMouseCursor(up_image.source,down_image.source)
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320 data_drag.dragged_image = up_image.source
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321 data_drag.dragging = True
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322 data_drag.dragged_widget = drag_widget
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323 data_drag.source_container = self.inventory_storage
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324
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325 self.inventory_storage.takeItem(drag_widget.item)
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326 # after dragging the 'item', set the widgets' images
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327 # so that it has it's default 'empty' images
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328 drag_widget.item = None
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329 self.updateImage(drag_widget)
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330
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331
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332 def dropObject(self, obj):
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333 """Drops the object being dropped
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334 @type obj: string
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335 @param obj: The name of the object within
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336 the dictionary 'self.buttons'
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337 @return: None"""
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338 drop_widget = self.gui.findChild(name = obj)
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339 drop_slot, drop_index = drop_widget.slot, drop_widget.index
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340 replace_item = None
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341 try :
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342 if data_drag.dragging:
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343 inventory = self.inventory_storage
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344 drag_item = data_drag.dragged_item
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345 #this will get the replacement item and data for drag_drop if
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346 ## there is an item All ready occupying the slot
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347 if not inventory.isSlotEmpty(drop_slot, drop_index):
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348 #get the item and then remove it from the inventory
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349 replace_item = inventory.getItemsInSlot \
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350 (drop_slot, drop_index)
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351 self.dragObject(obj)
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352 self.inventory_storage.moveItemToSlot(drag_item,
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353 drop_slot,
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354 drop_index)
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355
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356 if drop_widget.slot == 'ready':
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357 self.readyCallback()
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358
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359 if replace_item == None:
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360 self.controller.resetMouseCursor()
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361 data_drag.dragging = False
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362 except Container.TooBig :
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363 logger.warning("%s too big to fit "
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364 "into %s" % (data_drag.dragged_item,
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365 drop_widget.slot))
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366 except (Container.SlotBusy, Container.ItemSelf):
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367 pass
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368 self.updateInventoryButtons()
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369
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370 def createMenuItems(self, item, actions):
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371 """Creates context menu items for the InventoryGUI"""
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372 menu_actions = super(InventoryGUI, self).createMenuItems(item, actions)
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373 param_dict = {}
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374 param_dict["controller"] = self.controller
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375 param_dict["commands"] = {}
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376 param_dict["item"] = item
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377 param_dict["container_gui"] = self
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378 menu_actions.append(["Drop",
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379 "Drop",
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380 self.executeMenuItem,
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381 ACTIONS["DropFromInventory"](**param_dict)])
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382 return menu_actions
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383
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384 def getImage(self, name):
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385 """Return a current image from the inventory
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386 @type name: string
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387 @param name: name of image to get
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388 @return: None"""
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389 return self.gui.findChild(name = name)