1. class ListBoxEx(Window):
2. class Item(Window):
3. def __init__(self):
4. Window.__init__(self)
6. def __del__(self):
7. Window.__del__(self)
9. def SetParent(self, parent):
10. Window.SetParent(self, parent)
11. self.parent=proxy(parent)
13. def OnMouseLeftButtonDown(self):
14. self.parent.SelectItem(self)
16. def OnRender(self):
17. if self.parent.GetSelectedItem()==self:
18. self.OnSelectedRender()
20. def OnSelectedRender(self):
21. x, y = self.GetGlobalPosition()
22. grp.SetColor(grp.GenerateColor(0.0, 0.0, 0.7, 0.7))
23. grp.RenderBar(x, y, self.GetWidth(), self.GetHeight())
25. def __init__(self):
26. Window.__init__(self)
28. self.viewItemCount=10
29. self.basePos=0
30. self.itemHeight=16
31. self.itemStep=20
32. self.selItem=0
33. self.itemList=[]
34. self.onSelectItemEvent = lambda *arg: None
36. # if localeInfo.IsARABIC():
37. # self.itemWidth=130
38. # else:
39. self.itemWidth = 50
41. self.scrollBar=None
42. self.__UpdateSize()
44. def __del__(self):
45. Window.__del__(self)
47. def __UpdateSize(self):
48. height=self.itemStep*self.__GetViewItemCount()
50. self.SetSize(self.itemWidth, height)
52. def IsEmpty(self):
53. if len(self.itemList)==0:
54. return 1
55. return 0
57. def SetItemStep(self, itemStep):
58. self.itemStep=itemStep
59. self.__UpdateSize()
61. def SetItemSize(self, itemWidth, itemHeight):
62. self.itemWidth=itemWidth
63. self.itemHeight=itemHeight
64. self.__UpdateSize()
66. def SetViewItemCount(self, viewItemCount):
67. self.viewItemCount=viewItemCount
69. def SetSelectEvent(self, event):
70. self.onSelectItemEvent = event
72. def SetBasePos(self, basePos):
73. for oldItem in self.itemList[self.basePos:self.basePos+self.viewItemCount]:
74. oldItem.Hide()
76. self.basePos=basePos
78. pos=basePos
79. for newItem in self.itemList[self.basePos:self.basePos+self.viewItemCount]:
80. (x, y)=self.GetItemViewCoord(pos, newItem.GetWidth())
81. newItem.SetPosition(x, y)
82. newItem.Show()
83. pos+=1
85. def GetItemIndex(self, argItem):
86. return self.itemList.index(argItem)
88. def GetSelectedItem(self):
89. return self.selItem
91. def SelectIndex(self, index):
93. if index >= len(self.itemList) or index < 0:
94. self.selItem = None
95. return
97. try:
98. self.selItem=self.itemList[index]
99. except:
100. pass
102. def SelectItem(self, selItem):
103. self.selItem=selItem
104. self.onSelectItemEvent(selItem)
106. def RemoveAllItems(self):
107. self.selItem=None
108. self.itemList=[]
110. if self.scrollBar:
111. self.scrollBar.SetPos(0)
113. def RemoveAllItems(self):
114. for i in self.itemList:
115. if i.IsShow():
116. i.Hide()
117. self.selItem=None
118. del self.itemList[:]
119. self.itemList=[]
121. if self.scrollBar:
122. self.scrollBar.SetPos(0)
124. if app.ENABLE_SWITCHBOT:
125. def GetItems(self):
126. return self.itemList
128. def RemoveItem(self, delItem):
129. if delItem==self.selItem:
130. self.selItem=None
132. self.itemList.remove(delItem)
134. def AppendItem(self, newItem):
135. newItem.SetParent(self)
136. newItem.SetSize(self.itemWidth, self.itemHeight)
138. pos=len(self.itemList)
139. if self.__IsInViewRange(pos):
140. (x, y)=self.GetItemViewCoord(pos, newItem.GetWidth())
141. newItem.SetPosition(x, y)
142. newItem.Show()
143. else:
144. newItem.Hide()
146. self.itemList.append(newItem)
148. def SetScrollBar(self, scrollBar):
149. scrollBar.SetScrollEvent(__mem_func__(self.__OnScroll))
150. self.scrollBar=scrollBar
152. def __OnScroll(self):
153. self.SetBasePos(int(self.scrollBar.GetPos()*self.__GetScrollLen()))
155. def __GetScrollLen(self):
156. scrollLen=self.__GetItemCount()-self.__GetViewItemCount()
157. if scrollLen<0:
158. return 0
160. return scrollLen
162. def __GetViewItemCount(self):
163. return self.viewItemCount
165. def __GetItemCount(self):
166. return len(self.itemList)
168. def GetItemViewCoord(self, pos, itemWidth):
169. if localeInfo.IsARABIC():
170. return (self.GetWidth()-itemWidth-10, (pos-self.basePos)*self.itemStep)
171. else:
172. return (0, (pos-self.basePos)*self.itemStep)
174. def __IsInViewRange(self, pos):
175. if pos<self.basePos:
176. return 0
177. if pos>=self.basePos+self.viewItemCount:
178. return 0
179. return 1