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annotate gui/containergui.py @ 124:ef24560eb920

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Fixed bug that dropping an item onto another would not set the drag_data to the replaced item, which caused this to be lost.
author KarstenBock@gmx.net
date Thu, 06 Oct 2011 16:08:00 +0200
parents 100a39fa64a2
children c28e29056218
rev   line source
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1 # This program is free software: you can redistribute it and/or modify
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2 # it under the terms of the GNU General Public License as published by
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3 # the Free Software Foundation, either version 3 of the License, or
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4 # (at your option) any later version.
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5
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6 # This program is distributed in the hope that it will be useful,
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7 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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8 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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9 # GNU General Public License for more details.
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10
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11 # You should have received a copy of the GNU General Public License
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12 # along with this program. If not, see <http://www.gnu.org/licenses/>.
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13 from fife.extensions.pychan.tools import callbackWithArguments as cbwa
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14
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15 from parpg.gui.containergui_base import ContainerGUIBase
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16 from parpg.gui import drag_drop_data as data_drag
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17 from parpg.components import container
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18
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19 class ContainerGUI(ContainerGUIBase):
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20 def __init__(self, controller, title, container):
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21 """A class to create a window showing the contents of a container.
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22 @param controller: The current Controller
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23 @type controller: Class derived from ControllerBase
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24 @param title: The title of the window
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25 @type title: string
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26 @param container: A container to represent
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27 @type container: parpg.components.Container
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28 @return: None"""
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29 super(ContainerGUI, self).__init__(controller, "gui/container_base.xml")
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30 self.gui.findChild(name="topWindow").title = title
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31
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32 self.empty_images = dict()
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33 self.container = container
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34 self.events_to_map = {}
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35 self.buttons = ("Slot1", "Slot2", "Slot3",
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36 "Slot4", "Slot5", "Slot6",
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37 "Slot7", "Slot8", "Slot9")
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38
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39 def updateImages(self):
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40 for index, button in enumerate(self.buttons):
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41 widget = self.gui.findChild(name=button)
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42 widget.item = container.get_item(self.container, index)
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43 self.updateImage(widget)
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44
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45 def updateImage(self, button):
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46 if (button.item == None):
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47 image = self.empty_images[button.name]
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48 else:
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49 image = button.item.image
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50 button.up_image = image
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51 button.down_image = image
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52 button.hover_image = image
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53
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54 def dragObject(self, obj):
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55 """Drag the selected object.
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56 @type obj: string
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57 @param obj: The name of the object within
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58 the dictionary 'self.buttons'
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59 @return: None"""
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60 # get the widget from the gui with the name obj
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61 drag_widget = self.gui.findChild(name = obj)
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62 drag_item = drag_widget.item
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63 # only drag if the widget is not empty
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64 if (drag_item != None):
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65 # get the item that the widget is 'storing'
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66 data_drag.dragged_item = drag_widget.item
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67 # get the up and down images of the widget
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68 up_image = drag_widget.up_image
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69 down_image = drag_widget.down_image
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70 self.setDragData(drag_widget.item, down_image, up_image,
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71 self.container)
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72 container.take_item(self.container, drag_widget.item.slot)
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73
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74 # after dragging the 'item', set the widgets' images
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75 # so that it has it's default 'empty' images
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76 drag_widget.item = None
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77 self.updateImage(drag_widget)
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78
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79 def dropObject(self, obj):
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80 """Drops the object being dropped
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81 @type obj: string
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82 @param obj: The name of the object within
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83 the dictionary 'self.buttons'
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84 @return: None"""
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85 try:
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86 drop_widget = self.gui.findChild(name = obj)
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87 drop_index = drop_widget.index
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88 replace_item = None
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89
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90 if data_drag.dragging:
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91 drag_item = data_drag.dragged_item
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92 #this will get the replacement item and the data for drag_drop if
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93 ## there is an item all ready occupying the slot
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94 replace_item = (
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95 container.put_item(self.container, drag_item, drop_index)
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96 )
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97
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98 #if there was no item the stop dragging and reset cursor
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99 if replace_item:
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100 up_image = drop_widget.up_image
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101 down_image = drop_widget.down_image
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102 self.setDragData(replace_item, down_image, up_image,
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103 self.container)
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104 else:
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105 data_drag.dragging = False
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106 #reset the mouse cursor to the normal cursor
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107 self.controller.resetMouseCursor()
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108 drop_widget.item = drag_item
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109 self.updateImage(drop_widget)
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110 except (container.BulkLimitError):
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111 #Do we want to notify the player why the item can't be dropped?
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112 pass
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113
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114 def showContainer(self):
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115 """Show the container
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116 @return: None"""
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117 # Prepare slots 1 through 9
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118 empty_image = "gui/inv_images/inv_backpack.png"
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119 slot_count = 9
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120 for counter in range(1, slot_count+1):
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121 slot_name = "Slot%i" % counter
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122 index = counter - 1
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123 self.empty_images[slot_name] = empty_image
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124 widget = self.gui.findChild(name=slot_name)
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125 widget.item = container.get_item(self.container, index)
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126 widget.index = index
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127 self.updateImage(widget)
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128 self.events_to_map[slot_name] = cbwa(self.dragDrop, slot_name)
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129 self.events_to_map[slot_name + "/mouseReleased"] = \
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130 self.showContextMenu
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131
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132 self.gui.mapEvents(self.events_to_map)
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133 self.gui.show()
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134
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135 def hideContainer(self):
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136 """Hide the container
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137 @return: None"""
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138 if self.gui.isVisible():
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139 self.gui.hide()