Mercurial > fife-parpg

annotate engine/extensions/pychan/widgets/listbox.py @ 302:94470d79576f

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* Small fix to make scons work in a fakeroot environment on ArchLinux. If this causes breakage please contact me.
author nihathrael@33b003aa-7bff-0310-803a-e67f0ece8222
date Fri, 10 Jul 2009 11:08:32 +0000
parents ea85ddce2b36
children 48c99636453e
rev   line source
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1 # -*- coding: utf-8 -*-
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2
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3 from common import *
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4 from widget import Widget
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5
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6 class GenericListmodel(fife.ListModel,list):
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7 """
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8 A wrapper for the exported list model to behave more like a Python list.
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9 Don't use directly.
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10 """
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11 def __init__(self,*args):
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12 super(GenericListmodel,self).__init__()
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13 map(self.append,args)
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14 def clear(self):
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15 while len(self):
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16 self.pop()
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17 def getNumberOfElements(self):
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18 return len(self)
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19
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20 def getElementAt(self, i):
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21 i = max(0,min(i,len(self) - 1))
254
10b5f7f36dd4 * Fixed a small unicode bug for the dropdown menu
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22 return text2gui(unicode(self[i]))
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23
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24 class ListBox(Widget):
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25 """
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26 A basic list box widget for displaying lists of strings. It makes most sense to wrap
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27 this into a L{ScrollArea}.
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28
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29 New Attributes
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30 ==============
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31
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32 - items: A List of strings. This can be treated like an ordinary python list.
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33 but only strings are allowed.
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34 - selected: The index of the selected item in the list. Starting from C{0} to C{len(items)-1}.
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35 A negative value indicates, that no item is selected.
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36 - selected_item: The selected string itself, or C{None} - if no string is selected.
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37
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38 Data
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39 ====
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40 The selected attribute can be read and set via L{distributeData} and L{collectData}.
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41 The list items can be set via L{distributeInitialData}.
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42 """
255
51cc05d862f2 Merged editor_rewrite branch to trunk.
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43 DEFAULT_HEXPAND = 1
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44 DEFAULT_VEXPAND = 1
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45
248
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46 def __init__(self,items=[],**kwargs):
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47 self._items = GenericListmodel(*items)
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48 self.real_widget = fife.ListBox(self._items)
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49 super(ListBox,self).__init__(**kwargs)
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50
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51 # Prepare Data collection framework
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52 self.accepts_initial_data = True
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53 self._realSetInitialData = self._setItems
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54
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55 self.accepts_data = True
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56 self._realSetData = self._setSelected
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57 self._realGetData = self._getSelected
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58
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59 def resizeToContent(self,recurse=True):
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60 # We append a minimum value, so max() does not bail out,
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61 # if no items are in the list
264
ea85ddce2b36 * Fixed a bug where resizing a listbox with non-ascii characters would give errors
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62 _item_widths = map(self.real_font.getWidth,map(gui2str,self._items)) + [0]
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63 max_w = max(_item_widths)
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64 self.width = max_w
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65 self.height = (self.real_font.getHeight() + 2) * len(self._items)
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66
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67 def _getItems(self): return self._items
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68 def _setItems(self,items):
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69 # Note we cannot use real_widget.setListModel
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70 # for some reason ???
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71
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72 # Also self assignment can kill you
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73 if id(items) != id(self._items):
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74 self._items.clear()
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75 self._items.extend(items)
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76
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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)