Mercurial > fife-parpg

annotate engine/extensions/pychan/widgets/dropdown.py @ 351:295b7ba75020

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* Replaced old with new FIFE SVN URL
author mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
date Tue, 08 Sep 2009 16:22:59 +0000
parents 48c99636453e
children dfd48d49c044
rev   line source
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1 #!/usr/bin/env python
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2 # -*- coding: utf-8 -*-
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3
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4 # ####################################################################
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5 # Copyright (C) 2005-2009 by the FIFE team
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6 # http://www.fifengine.de
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7 # This file is part of FIFE.
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8 #
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9 # FIFE is free software; you can redistribute it and/or
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10 # modify it under the terms of the GNU Lesser General Public
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11 # License as published by the Free Software Foundation; either
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12 # version 2.1 of the License, or (at your option) any later version.
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13 #
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14 # This library is distributed in the hope that it will be useful,
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15 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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16 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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17 # Lesser General Public License for more details.
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18 #
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19 # You should have received a copy of the GNU Lesser General Public
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20 # License along with this library; if not, write to the
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21 # Free Software Foundation, Inc.,
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22 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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23 # ####################################################################
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24
248
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25 from common import *
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26 from widget import Widget
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27 from listbox import GenericListmodel
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28
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29 class DropDown(Widget):
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30 """
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31 A dropdown or combo box widget for selecting lists of strings.
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32
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33 New Attributes
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34 ==============
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35
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36 - items: A List of strings. This can be treated like an ordinary python list.
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37 but only strings are allowed.
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38 - selected: The index of the selected item in the list. Starting from C{0} to C{len(items)-1}.
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39 A negative value indicates, that no item is selected.
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40 - selected_item: The selected string itself, or C{None} - if no string is selected.
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41
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42 Data
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43 ====
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44 The selected attribute can be read and set via L{distributeData} and L{collectData}.
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45 The list items can be set via L{distributeInitialData}.
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46 """
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47 def __init__(self,items=[],**kwargs):
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48 self._items = GenericListmodel(*items)
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49 self.real_widget = fife.DropDown(self._items)
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50 super(DropDown,self).__init__(**kwargs)
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51
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52 # Prepare Data collection framework
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53 self.accepts_initial_data = True
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54 self._realSetInitialData = self._setItems
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55
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56 self.accepts_data = True
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57 self._realSetData = self._setSelected
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58 self._realGetData = self._getSelected
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59
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60 def resizeToContent(self,recurse=True):
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61 # We append a minimum value, so max() does not bail out,
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62 # if no items are in the list
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10b5f7f36dd4 * Fixed a small unicode bug for the dropdown menu
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63 _item_widths = map(self.real_font.getWidth, map(text2gui, map(unicode, self._items))) + [self.real_font.getHeight()]
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64 max_w = max(_item_widths)
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65 self.width = max_w
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66 self.height = (self.real_font.getHeight() + 2)
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67
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68 def _getItems(self): return self._items
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69 def _setItems(self,items):
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70 # Note we cannot use real_widget.setListModel
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71 # for some reason ???
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72
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73 # Also self assignment can kill you
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74 if id(items) != id(self._items):
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75 self._items.clear()
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76 self._items.extend(items)
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77 items = property(_getItems,_setItems)
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78
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79 def _getSelected(self): return self.real_widget.getSelected()
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80 def _setSelected(self,index): self.real_widget.setSelected(index)
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81 selected = property(_getSelected,_setSelected)
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82 def _getSelectedItem(self):
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83 if 0 <= self.selected < len(self._items):
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84 return self._items[self.selected]
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85 return None
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86 selected_item = property(_getSelectedItem)