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[wxWidgets.git] / wxPython / demo / ListBox.py
1
2 import wx
3
4 #---------------------------------------------------------------------------
5
6 # This listbox subclass lets you type the starting letters of what you want to
7 # select, and scrolls the list to the match if it is found.
8 class FindPrefixListBox(wx.ListBox):
9 def __init__(self, parent, id, pos=wx.DefaultPosition, size=wx.DefaultSize,
10 choices=[], style=0, validator=wx.DefaultValidator):
11 wx.ListBox.__init__(self, parent, id, pos, size, choices, style, validator)
12 self.typedText = ''
13 self.log = parent.log
14 self.Bind(wx.EVT_KEY_DOWN, self.OnKey)
15
16
17 def FindPrefix(self, prefix):
18 self.log.WriteText('Looking for prefix: %s\n' % prefix)
19
20 if prefix:
21 prefix = prefix.lower()
22 length = len(prefix)
23
24 # Changed in 2.5 because ListBox.Number() is no longer supported.
25 # ListBox.GetCount() is now the appropriate way to go.
26 for x in range(self.GetCount()):
27 text = self.GetString(x)
28 text = text.lower()
29
30 if text[:length] == prefix:
31 self.log.WriteText('Prefix %s is found.\n' % prefix)
32 return x
33
34 self.log.WriteText('Prefix %s is not found.\n' % prefix)
35 return -1
36
37
38 def OnKey(self, evt):
39 key = evt.GetKeyCode()
40
41 if key >= 32 and key <= 127:
42 self.typedText = self.typedText + chr(key)
43 item = self.FindPrefix(self.typedText)
44
45 if item != -1:
46 self.SetSelection(item)
47
48 elif key == wx.WXK_BACK: # backspace removes one character and backs up
49 self.typedText = self.typedText[:-1]
50
51 if not self.typedText:
52 self.SetSelection(0)
53 else:
54 item = self.FindPrefix(self.typedText)
55
56 if item != -1:
57 self.SetSelection(item)
58 else:
59 self.typedText = ''
60 evt.Skip()
61
62 def OnKeyDown(self, evt):
63 pass
64
65
66 #---------------------------------------------------------------------------
67
68 class TestListBox(wx.Panel):
69 def __init__(self, parent, log):
70 self.log = log
71 wx.Panel.__init__(self, parent, -1)
72
73 sampleList = ['zero', 'one', 'two', 'three', 'four', 'five',
74 'six', 'seven', 'eight', 'nine', 'ten', 'eleven',
75 'twelve', 'thirteen', 'fourteen']
76
77 wx.StaticText(self, -1, "This example uses the wx.ListBox control.", (45, 10))
78 wx.StaticText(self, -1, "Select one:", (15, 50))
79 self.lb1 = wx.ListBox(self, 60, (100, 50), (90, 120), sampleList, wx.LB_SINGLE)
80 self.Bind(wx.EVT_LISTBOX, self.EvtListBox, self.lb1)
81 self.Bind(wx.EVT_LISTBOX_DCLICK, self.EvtListBoxDClick, self.lb1)
82 self.lb1.Bind(wx.EVT_RIGHT_UP, self.EvtRightButton)
83 self.lb1.SetSelection(3)
84 self.lb1.Append("with data", "This one has data");
85 self.lb1.SetClientData(2, "This one has data");
86
87
88 wx.StaticText(self, -1, "Select many:", (220, 50))
89 self.lb2 = wx.ListBox(self, 70, (320, 50), (90, 120), sampleList, wx.LB_EXTENDED)
90 self.Bind(wx.EVT_LISTBOX, self.EvtMultiListBox, self.lb2)
91 self.lb2.Bind(wx.EVT_RIGHT_UP, self.EvtRightButton)
92 self.lb2.SetSelection(0)
93
94 sampleList = sampleList + ['test a', 'test aa', 'test aab',
95 'test ab', 'test abc', 'test abcc',
96 'test abcd' ]
97 sampleList.sort()
98 wx.StaticText(self, -1, "Find Prefix:", (15, 250))
99 fp = FindPrefixListBox(self, -1, (100, 250), (90, 120), sampleList, wx.LB_SINGLE)
100 fp.SetSelection(0)
101
102
103 def EvtListBox(self, event):
104 self.log.WriteText('EvtListBox: %s, %s, %s, %s\n' %
105 (event.GetString(),
106 event.IsSelection(),
107 event.GetSelection(),
108 event.GetClientData()))
109
110 lb = event.GetEventObject()
111 data = lb.GetClientData(lb.GetSelection())
112
113 if data is not None:
114 self.log.WriteText('\tdata: %s\n' % data)
115
116
117 def EvtListBoxDClick(self, event):
118 self.log.WriteText('EvtListBoxDClick: %s\n' % self.lb1.GetSelection())
119 self.lb1.Delete(self.lb1.GetSelection())
120
121 def EvtMultiListBox(self, event):
122 self.log.WriteText('EvtMultiListBox: %s\n' % str(self.lb2.GetSelections()))
123
124 def EvtRightButton(self, event):
125 self.log.WriteText('EvtRightButton: %s\n' % event.GetPosition())
126
127 if event.GetEventObject().GetId() == 70:
128 selections = list(self.lb2.GetSelections())
129 selections.reverse()
130
131 for index in selections:
132 self.lb2.Delete(index)
133
134
135 #---------------------------------------------------------------------------
136
137 def runTest(frame, nb, log):
138 win = TestListBox(nb, log)
139 return win
140
141 #---------------------------------------------------------------------------
142
143
144
145
146 overview = """<html><body>
147 A listbox is used to select one or more of a list of
148 strings. The strings are displayed in a scrolling box, with the
149 selected string(s) marked in reverse video. A listbox can be single
150 selection (if an item is selected, the previous selection is removed)
151 or multiple selection (clicking an item toggles the item on or off
152 independently of other selections).
153 </body></html>
154 """
155
156
157 if __name__ == '__main__':
158 import sys,os
159 import run
160 run.main(['', os.path.basename(sys.argv[0])] + sys.argv[1:])
161