::-- limodou [2005-10-21 15:14:49]
1. CheckList
可以在List的每行上显示一个CheckBox框,点击可以改变状态。
1.1. 代码
1 import wx
2 from wx import ImageFromStream, BitmapFromImage
3 import cStringIO, zlib
4 import wx.lib.mixins.listctrl as listmix
5 import sys
6
7
8 def getUncheckData():
9 return zlib.decompress(
10 "x\xda\xeb\x0c\xf0s\xe7\xe5\x92\xe2b``\xe0\xf5\xf4p\t\x02\xd2\x02 \xcc\xc1\
11 \x06$\xe5?\xffO\x04R,\xc5N\x9e!\x1c@P\xc3\x91\xd2\x01\xe4\xbb{\xba8\x86X\xf4\
12 &\xa7\xa4$\xa5-`1\x08\\2\xbb\xb1\xb1\x91\xf5\xd8\x84o\xeb\xff\xfaw\x1d[.=[2\
13 \x90'\x01\x08v\xec]\xd3\xa3qvU`l\x81\xd9\xd18\t\xd3\x84+\x0cll[\xa6t\xcc9\
14 \xd4\xc1\xda\xc3<O\x9a1\xc3\x88\xc3j\xfa\x86_\xee@#\x19<]\xfd\\\xd69%4\x01\
15 \x00\xdc\x80-\x05" )
16
17 def getUncheckBitmap():
18 return BitmapFromImage(getUncheckImage())
19
20 def getUncheckImage():
21 stream = cStringIO.StringIO(getUncheckData())
22 return ImageFromStream(stream)
23
24 #----------------------------------------------------------------------
25 def getCheckData():
26 return zlib.decompress(
27 'x\xda\xeb\x0c\xf0s\xe7\xe5\x92\xe2b``\xe0\xf5\xf4p\t\x02\xd2\x02 \xcc\xc1\
28 \x06$\xe5?\xffO\x04R,\xc5N\x9e!\x1c@P\xc3\x91\xd2\x01\xe47{\xba8\x86X\xf4&\
29 \xa7\xa4$\xa5-`1\x08\\2\xbb\xb1\xb1\x91\xf5\xd8\x84o\xeb\xff\xfaw\x1d[.=[2\
30 \x90\'\x01\x08v\xec\\2C\xe3\xec+\xc3\xbd\x05fG\xe3\x14n1\xcc5\xad\x8a8\x1a\
31 \xb9\xa1\xeb\xd1\x853-\xaa\xc76\xecb\xb8i\x16c&\\\xc2\xb8\xe9Xvbx\xa1T\xc3U\
32 \xd6p\'\xbd\x85\x19\xff\xbe\xbf\xd7\xe7R\xcb`\xd8\xa5\xf8\x83\xe1^\xc4\x0e\
33 \xa1"\xce\xc3n\x93x\x14\xd8\x16\xb0(\x15q)\x8b\x19\xf0U\xe4\xb10\x08V\xa8\
34 \x99\xf3\xdd\xde\xad\x06t\x0e\x83\xa7\xab\x9f\xcb:\xa7\x84&\x00\xe0HE\xab' )
35
36 def getCheckBitmap():
37 return BitmapFromImage(getCheckImage())
38
39 def getCheckImage():
40 stream = cStringIO.StringIO(getCheckData())
41 return ImageFromStream(stream)
42
43 class List(wx.ListView, listmix.ListCtrlAutoWidthMixin):
44 def __init__(self, parent, columns, style=wx.LC_REPORT):
45 wx.ListView.__init__(self, parent, -1, style=style)
46 listmix.ListCtrlAutoWidthMixin.__init__(self)
47 self.parent = parent
48 self.columns = columns
49
50 self.createlist(self.columns)
51
52 def createlist(self, columns):
53 self.columns_num = len(columns)
54
55 self.DeleteAllItems()
56
57 for i, v in enumerate(columns):
58 info = wx.ListItem()
59 info.m_mask = wx.LIST_MASK_TEXT | wx.LIST_MASK_FORMAT
60
61 name, length, align = v
62
63 if align == 'left':
64 info.m_format = wx.LIST_FORMAT_LEFT
65 elif align == 'center':
66 info.m_format = wx.LIST_FORMAT_CENTER
67 else:
68 info.m_format = wx.LIST_FORMAT_RIGHT
69 info.m_text = name
70 self.InsertColumnInfo(i, info)
71 self.SetColumnWidth(i, length)
72
73 def load(self, getdata):
74 for v in getdata():
75 i = v[0]
76 index = self.InsertStringItem(sys.maxint, i)
77 for i, t in enumerate(v[1:]):
78 self.SetStringItem(index, i+1, t)
79
80 def GetValue(self):
81 for i in range(self.GetItemCount()):
82 s = []
83 for j in range(self.GetColumnCount()):
84 s.append(self.GetItem(i, j).GetText())
85 yield tuple(s)
86
87 class CheckListMixin:
88 def __init__(self):
89 self.imagelist = wx.ImageList(16, 16)
90 self.uncheck_image = self.imagelist.Add(getUncheckBitmap())
91 self.check_image = self.imagelist.Add(getCheckBitmap())
92 self.SetImageList(self.imagelist, wx.IMAGE_LIST_SMALL)
93
94 wx.EVT_LEFT_DOWN(self, self.OnLeftDown)
95
96 self.values = {}
97
98 def load(self, getdata):
99 self.values = {}
100 for flag, v in getdata():
101 index = self.InsertImageStringItem(sys.maxint, v[0], int(flag))
102 self.values[index] = int(flag)
103 self.SetItemData(index, index)
104 for i, t in enumerate(v[1:]):
105 self.SetStringItem(index, i+1, t)
106
107 def OnLeftDown(self,event):
108 (index, flags) = self.HitTest(event.GetPosition())
109 if flags == wx.LIST_HITTEST_ONITEMICON:
110 i = self.GetItemData(index)
111 self.values[i] ^= 1
112 self.SetItemImage(index, self.values[i])
113 self.OnCheck(index, self.values[i])
114 event.Skip()
115
116 def OnCheck(self, index, f):
117 pass
118
119 def GetValue(self):
120 for i in range(self.GetItemCount()):
121 s = []
122 for j in range(self.GetColumnCount()):
123 s.append(self.GetItem(i, j).GetText())
124 yield (self.values[self.GetItemData(i)], tuple(s))
125
126 def getFlag(self, index):
127 i = self.GetItemData(index)
128 return self.values[i]
129
130 def setFlag(self, index, f):
131 i = self.GetItemData(index)
132 self.values[i] = f
133 self.SetItemImage(index, self.values[i])
134
135 def notFlag(self, index):
136 f = self.getFlag(index)
137 self.setFlag(f ^ 1)
138
139 class CheckList(List, CheckListMixin):
140 def __init__(self, parent, columns, style=wx.LC_REPORT):
141 List.__init__(self, parent, columns, style=style)
142 CheckListMixin.__init__(self)
143
144 def load(self, getdata):
145 CheckListMixin.load(self, getdata)
146
147 def GetValue(self):
148 for i in CheckListMixin.GetValue(self):
149 yield i