]>
Commit | Line | Data |
---|---|---|
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), (65, 18)) | |
79 | self.lb1 = wx.ListBox(self, 60, (80, 50), (80, 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:", (200, 50), (65, 18)) | |
89 | self.lb2 = wx.ListBox(self, 70, (300, 50), (80, 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, (80, 250), (80, 120), sampleList, wx.LB_SINGLE) | |
100 | fp.SetSelection(0) | |
101 | ||
102 | ||
103 | def EvtListBox(self, event): | |
104 | self.log.WriteText('EvtListBox: %s, %s, %s\n' % | |
105 | (event.GetString(), event.IsSelection(), event.GetSelection())) | |
106 | ||
107 | lb = event.GetEventObject() | |
108 | data = lb.GetClientData(lb.GetSelection()) | |
109 | ||
110 | if data is not None: | |
111 | self.log.WriteText('\tdata: %s\n' % data) | |
112 | ||
113 | ||
114 | def EvtListBoxDClick(self, event): | |
115 | self.log.WriteText('EvtListBoxDClick: %s\n' % self.lb1.GetSelection()) | |
116 | self.lb1.Delete(self.lb1.GetSelection()) | |
117 | ||
118 | def EvtMultiListBox(self, event): | |
119 | self.log.WriteText('EvtMultiListBox: %s\n' % str(self.lb2.GetSelections())) | |
120 | ||
121 | def EvtRightButton(self, event): | |
122 | self.log.WriteText('EvtRightButton: %s\n' % event.GetPosition()) | |
123 | ||
124 | if event.GetEventObject().GetId() == 70: | |
125 | selections = list(self.lb2.GetSelections()) | |
126 | selections.reverse() | |
127 | ||
128 | for index in selections: | |
129 | self.lb2.Delete(index) | |
130 | ||
131 | ||
132 | #--------------------------------------------------------------------------- | |
133 | ||
134 | def runTest(frame, nb, log): | |
135 | win = TestListBox(nb, log) | |
136 | return win | |
137 | ||
138 | #--------------------------------------------------------------------------- | |
139 | ||
140 | ||
141 | ||
142 | ||
143 | overview = """<html><body> | |
144 | A listbox is used to select one or more of a list of | |
145 | strings. The strings are displayed in a scrolling box, with the | |
146 | selected string(s) marked in reverse video. A listbox can be single | |
147 | selection (if an item is selected, the previous selection is removed) | |
148 | or multiple selection (clicking an item toggles the item on or off | |
149 | independently of other selections). | |
150 | </body></html> | |
151 | """ | |
152 | ||
153 | ||
154 | if __name__ == '__main__': | |
155 | import sys,os | |
156 | import run | |
157 | run.main(['', os.path.basename(sys.argv[0])] + sys.argv[1:]) | |
158 |