Mercurial > parpg-source

annotate gui/filebrowser.py @ 115:26e65f27dbd7

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"Open" will now not be shown in the context menu when the lockable is locked. "Lock" will not not be shown in the context menu when the lockable is open.
author KarstenBock@gmx.net
date Mon, 03 Oct 2011 14:12:17 +0200
parents 06145a6ee387
children 0296f5f74a0f
rev   line source
0
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1 # This program is free software: you can redistribute it and/or modify
7a89ea5404b1 Initial commit of parpg-core.
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2 # it under the terms of the GNU General Public License as published by
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3 # the Free Software Foundation, either version 3 of the License, or
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4 # (at your option) any later version.
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5
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6 # This program is distributed in the hope that it will be useful,
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7 # but WITHOUT ANY WARRANTY; without even the implied warranty of
7a89ea5404b1 Initial commit of parpg-core.
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8 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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9 # GNU General Public License for more details.
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11 # You should have received a copy of the GNU General Public License
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12 # along with this program. If not, see <http://www.gnu.org/licenses/>.
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13 import sys
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14 import os
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15 import logging
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16
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17 from fife.extensions import pychan
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18 from fife.extensions.pychan import widgets
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19
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20 from parpg import vfs
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21
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22 logger = logging.getLogger('filebrowser')
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23
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24 def u2s(string):
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25 # TODO: cryptic function name
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26 return string.encode(sys.getfilesystemencoding())
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27
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28 class FileBrowser(object):
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29 """FileBrowser displays directory and file listings from the vfs.
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30 The file_selected parameter is a callback invoked when a file selection
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31 has been made; its signature must be file_selected(path,filename). If
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32 select_dir is set, file_selected's filename parameter should be optional.
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33 The save_file option provides a box for supplying a new filename that
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34 doesn't exist yet. The select_dir option allows directories to be
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35 selected as well as files."""
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36 def __init__(self, engine, settings, file_selected, gui_xml_path,
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37 close_callback=None, save_file=False, select_dir=False,
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38 extensions=('.dat',)):
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39 self.engine = engine
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40 self.settings = settings
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41 self.file_selected = file_selected
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42
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43 self._widget = None
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44 self.save_file = save_file
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45 self.select_dir = select_dir
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46 self.close_callback = close_callback
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47 self.gui_xml_path = gui_xml_path
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48
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49 self.extensions = extensions
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50 # FIXME M. George Hansen 2011-06-06: Not sure that user_path is set
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51 # correctly atm. Plus, I don't think that this should be
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52 # hard-coded.
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53 self.path = os.path.join(self.settings.user_path, 'saves')
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54 self.dir_list = []
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55 self.file_list = []
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56
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57 def close(self):
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58 """Closes the browser"""
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59 self._widget.hide()
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60 if self.close_callback:
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61 self.close_callback()
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62
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63 def showBrowser(self):
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64 """Shows the file dialog browser"""
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65 if self._widget:
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66 self._widget.show()
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67 return
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68 xml_file = vfs.VFS.open(self.gui_xml_path)
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69 self._widget = pychan.loadXML(xml_file)
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70 self._widget.mapEvents({
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71 'dirList' : self._setPath,
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72 'selectButton' : self._selectFile,
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73 'closeButton' : self.close
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74 })
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75 self._setPath()
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76 if self.save_file:
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77 self._file_entry = widgets.TextField(name='saveField', text=u'')
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78 self._widget.findChild(name="fileColumn").\
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79 addChild(self._file_entry)
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80 self._widget.show()
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81
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82 def _setPath(self):
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83 """Path change callback."""
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84 selection = self._widget.collectData('dirList')
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85 if not (selection < 0):
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86 new_dir = u2s(self.dir_list[selection])
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87 lst = self.path.split('/')
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88 if new_dir == '..' and lst[-1] != '..' and lst[-1] != '.':
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89 lst.pop()
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90 else:
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91 lst.append(new_dir)
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92 self.path = '/'.join(lst)
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93
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94 def decodeList(list):
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95 fs_encoding = sys.getfilesystemencoding()
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96 if fs_encoding is None: fs_encoding = "ascii"
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97
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98 new_list = []
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99 for i in list:
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100 try:
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101 new_list.append(unicode(i, fs_encoding))
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102 except:
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103 new_list.append(unicode(i, fs_encoding, 'replace'))
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104 logger.debug("WARNING: Could not decode item:\n"
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105 "{0}".format(i))
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106 return new_list
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107
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108
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109
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110 self.dir_list = []
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111 self.file_list = []
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112
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113 dir_list = ('..',) + filter(lambda d: not d.startswith('.'), \
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114 self.engine.getVFS().\
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115 listDirectories(self.path))
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116 file_list = filter(lambda f: f.split('.')[-1] in self.extensions, \
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117 self.engine.getVFS().listFiles(self.path))
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118
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119 self.dir_list = decodeList(dir_list)
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120 self.file_list = decodeList(file_list)
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121 self._widget.distributeInitialData({
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122 'dirList' : self.dir_list,
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123 'fileList' : self.file_list
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124 })
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125
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126 def _selectFile(self):
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127 """ File selection callback. """
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128 self._widget.hide()
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129 selection = self._widget.collectData('fileList')
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130
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131 if self.save_file:
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132 data = self._widget.collectData('saveField')
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133 if data:
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134 if (data.endswith(".dat")):
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135 self.file_selected(self.path, \
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136 u2s(self._widget.collectData('saveField')))
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137 else:
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138 self.file_selected(self.path,
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139 u2s(self._widget.collectData('saveField')) + '.dat')
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140 return
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141
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142
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143 if selection >= 0 and selection < len(self.file_list):
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144 self.file_selected(self.path, u2s(self.file_list[selection]))
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145 return
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146
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147 if self.select_dir:
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148 self.file_selected(self.path)
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149 return
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150
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151 logger.error('no selection')
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152
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153 def _warningMessage(self):
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154 """Shows the warning message dialog when a file with a
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155 faulty extension was selected."""
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156 window = widgets.Window(title="Warning")
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157 text = "Please save the file as a .dat"
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158 label = widgets.Label(text=text)
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159 ok_button = widgets.Button(name="ok_button", text="Ok")
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160 window.addChildren([label, ok_button])
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161 window.mapEvents({'ok_button':window.hide})
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162 window.show()