Mercurial > fife-parpg

comparison engine/python/fife/extensions/filebrowser.py @ 378:64738befdf3b

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bringing in the changes from the build_system_rework branch in preparation for the 0.3.0 release. This commit will require the Jan2010 devkit. Clients will also need to be modified to the new way to import fife.
author vtchill@33b003aa-7bff-0310-803a-e67f0ece8222
date Mon, 11 Jan 2010 23:34:52 +0000
parents
children 293e812316c0
comparison
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377:fe6fb0e0ed23 378:64738befdf3b
1 # -*- coding: utf-8 -*-
2
3 # ####################################################################
4 # Copyright (C) 2005-2009 by the FIFE team
5 # http://www.fifengine.de
6 # This file is part of FIFE.
7 #
8 # FIFE is free software; you can redistribute it and/or
9 # modify it under the terms of the GNU Lesser General Public
10 # License as published by the Free Software Foundation; either
11 # version 2.1 of the License, or (at your option) any later version.
12 #
13 # This library is distributed in the hope that it will be useful,
14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 # Lesser General Public License for more details.
17 #
18 # You should have received a copy of the GNU Lesser General Public
19 # License along with this library; if not, write to the
20 # Free Software Foundation, Inc.,
21 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
22 # ####################################################################
23
24 import pychan
25 import pychan.widgets as widgets
26 import sys
27
28 def u2s(string):
29 return string.encode(sys.getfilesystemencoding())
30
31 class FileBrowser(object):
32 """
33 FileBrowser displays directory and file listings from the vfs.
34 The fileSelected parameter is a callback invoked when a file selection has been made; its
35 signature must be fileSelected(path,filename). If selectdir is set, fileSelected's
36 filename parameter should be optional.
37 The savefile option provides a box for supplying a new filename that doesn't exist yet.
38 The selectdir option allows directories to be selected as well as files.
39 """
40 def __init__(self, engine, fileSelected, savefile=False, selectdir=False, extensions=('xml',), guixmlpath="gui/filebrowser.xml"):
41 self.engine = engine
42 self.fileSelected = fileSelected
43
44 self._widget = None
45 self.savefile = savefile
46 self.selectdir = selectdir
47
48 self.guixmlpath = guixmlpath
49
50 self.extensions = extensions
51 self.path = './..'
52 self.dir_list = []
53 self.file_list = []
54
55 def showBrowser(self):
56 if self._widget:
57 self.setDirectory(self.path)
58 self._widget.show()
59 return
60
61 self._widget = pychan.loadXML(self.guixmlpath)
62 self._widget.mapEvents({
63 'dirList' : self._selectDir,
64 'selectButton' : self._selectFile,
65 'closeButton' : self._widget.hide
66 })
67 if self.savefile:
68 self._file_entry = widgets.TextField(name='saveField', text=u'')
69 self._widget.findChild(name="fileColumn").addChild(self._file_entry)
70
71 self.setDirectory(self.path)
72 self._widget.show()
73
74 def setDirectory(self, path):
75 self.path = path
76 if not self._widget: return
77
78 def decodeList(list):
79 fs_encoding = sys.getfilesystemencoding()
80 if fs_encoding is None: fs_encoding = "ascii"
81
82 newList = []
83 for i in list:
84 try: newList.append(unicode(i, fs_encoding))
85 except:
86 newList.append(unicode(i, fs_encoding, 'replace'))
87 print "WARNING: Could not decode item:", i
88 return newList
89
90 self.dir_list = []
91 self.file_list = []
92
93 dir_list = ('..',) + filter(lambda d: not d.startswith('.'), self.engine.getVFS().listDirectories(self.path))
94 file_list = filter(lambda f: f.split('.')[-1] in self.extensions, self.engine.getVFS().listFiles(self.path))
95
96 self.dir_list = decodeList(dir_list)
97 self.file_list = decodeList(file_list)
98 self._widget.distributeInitialData({
99 'dirList' : self.dir_list,
100 'fileList' : self.file_list
101 })
102
103 self._widget.adaptLayout()
104
105 def _selectDir(self):
106 selection = self._widget.collectData('dirList')
107 if selection >= 0 and selection < len(self.dir_list):
108 new_dir = u2s(self.dir_list[selection])
109 lst = self.path.split('/')
110 if new_dir == '..' and lst[-1] != '..' and lst[-1] != '.':
111 lst.pop()
112 else:
113 lst.append(new_dir)
114
115 path = '/'.join(lst)
116 self.setDirectory(path)
117
118 def _selectFile(self):
119 self._widget.hide()
120 selection = self._widget.collectData('fileList')
121
122 if self.savefile:
123 if self._widget.collectData('saveField'):
124 self.fileSelected(self.path, u2s(self._widget.collectData('saveField')))
125 return
126
127 if selection >= 0 and selection < len(self.file_list):
128 self.fileSelected(self.path, u2s(self.file_list[selection]))
129 return
130
131 if self.selectdir:
132 self.fileSelected(self.path)
133 return
134
135 print 'FileBrowser: error, no selection.'