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

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
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/engine/python/fife/extensions/filebrowser.py	Mon Jan 11 23:34:52 2010 +0000
@@ -0,0 +1,135 @@
+# -*- coding: utf-8 -*-
+
+# ####################################################################
+#  Copyright (C) 2005-2009 by the FIFE team
+#  http://www.fifengine.de
+#  This file is part of FIFE.
+#
+#  FIFE is free software; you can redistribute it and/or
+#  modify it under the terms of the GNU Lesser General Public
+#  License as published by the Free Software Foundation; either
+#  version 2.1 of the License, or (at your option) any later version.
+#
+#  This library is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+#  Lesser General Public License for more details.
+#
+#  You should have received a copy of the GNU Lesser General Public
+#  License along with this library; if not, write to the
+#  Free Software Foundation, Inc.,
+#  51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+# ####################################################################
+
+import pychan
+import pychan.widgets as widgets
+import sys
+
+def u2s(string):
+	return string.encode(sys.getfilesystemencoding())
+
+class FileBrowser(object):
+	"""
+	FileBrowser displays directory and file listings from the vfs.
+	The fileSelected parameter is a callback invoked when a file selection has been made; its
+    signature must be fileSelected(path,filename). If selectdir is set, fileSelected's
+		filename parameter should be optional.
+	The savefile option provides a box for supplying a new filename that doesn't exist yet.
+  The selectdir option allows directories to be selected as well as files.
+	"""
+	def __init__(self, engine, fileSelected, savefile=False, selectdir=False, extensions=('xml',), guixmlpath="gui/filebrowser.xml"):
+		self.engine = engine
+		self.fileSelected = fileSelected
+
+		self._widget = None
+		self.savefile = savefile
+		self.selectdir = selectdir
+		
+		self.guixmlpath = guixmlpath
+
+		self.extensions = extensions
+		self.path = './..'
+		self.dir_list = []
+		self.file_list = []
+
+	def showBrowser(self):
+		if self._widget:
+			self.setDirectory(self.path)
+			self._widget.show()
+			return
+		
+		self._widget = pychan.loadXML(self.guixmlpath)
+		self._widget.mapEvents({
+			'dirList'       : self._selectDir,
+			'selectButton'  : self._selectFile,
+			'closeButton'   : self._widget.hide
+		})
+		if self.savefile:
+			self._file_entry = widgets.TextField(name='saveField', text=u'')	
+			self._widget.findChild(name="fileColumn").addChild(self._file_entry)
+			
+		self.setDirectory(self.path)
+		self._widget.show()
+		
+	def setDirectory(self, path):
+		self.path = path
+		if not self._widget: return
+		
+		def decodeList(list):
+			fs_encoding = sys.getfilesystemencoding()
+			if fs_encoding is None: fs_encoding = "ascii"
+		
+			newList = []
+			for i in list:
+				try: newList.append(unicode(i, fs_encoding))
+				except:
+					newList.append(unicode(i, fs_encoding, 'replace'))
+					print "WARNING: Could not decode item:", i
+			return newList
+
+		self.dir_list = []
+		self.file_list = []
+		
+		dir_list = ('..',) + filter(lambda d: not d.startswith('.'), self.engine.getVFS().listDirectories(self.path))
+		file_list = filter(lambda f: f.split('.')[-1] in self.extensions, self.engine.getVFS().listFiles(self.path))
+				
+		self.dir_list = decodeList(dir_list)
+		self.file_list = decodeList(file_list)
+		self._widget.distributeInitialData({
+			'dirList'  : self.dir_list,
+			'fileList' : self.file_list
+		})
+		
+		self._widget.adaptLayout()
+
+	def _selectDir(self):
+		selection = self._widget.collectData('dirList')
+		if selection >= 0 and selection < len(self.dir_list):
+			new_dir = u2s(self.dir_list[selection])
+			lst = self.path.split('/')
+			if new_dir == '..' and lst[-1] != '..' and lst[-1] != '.':
+				lst.pop()
+			else:
+				lst.append(new_dir)
+			 
+			path = '/'.join(lst)
+			self.setDirectory(path)
+
+	def _selectFile(self):
+		self._widget.hide()
+		selection = self._widget.collectData('fileList')
+
+		if self.savefile:
+			if self._widget.collectData('saveField'):
+				self.fileSelected(self.path, u2s(self._widget.collectData('saveField')))
+				return
+
+		if selection >= 0 and selection < len(self.file_list):
+			self.fileSelected(self.path, u2s(self.file_list[selection]))
+			return
+		
+		if self.selectdir:
+			self.fileSelected(self.path)
+			return
+
+		print 'FileBrowser: error, no selection.'