# Copyright (c) 2005-2009 Nokia Corporation

#

# Licensed under the Apache License, Version 2.0 (the "License");

# you may not use this file except in compliance with the License.

# You may obtain a copy of the License at

#

#     http://www.apache.org/licenses/LICENSE-2.0

#

# Unless required by applicable law or agreed to in writing, software

# distributed under the License is distributed on an "AS IS" BASIS,

# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

# See the License for the specific language governing permissions and

# limitations under the License.

#

# filebrowser.py

#

# A very simple file browser script to demonstrate the power of Python

# on Series 60.

#

import os

import appuifw

import e32

import dir_iter

class Filebrowser:

    def __init__(self):

        self.script_lock = e32.Ao_lock()

        self.dir_stack = []

        self.current_dir = dir_iter.Directory_iter(e32.drive_list())

    def run(self):

        from key_codes import EKeyLeftArrow

        entries = self.current_dir.list_repr()

        if not self.current_dir.at_root:

            entries.insert(0, (u"..", u""))

        self.lb = appuifw.Listbox(entries, self.lbox_observe)

        self.lb.bind(EKeyLeftArrow, lambda: self.lbox_observe(0))

        old_title = appuifw.app.title

        self.refresh()

        self.script_lock.wait()

        appuifw.app.title = old_title

        appuifw.app.body = None

        self.lb = None

    def refresh(self):

        appuifw.app.title = u"File browser"

        appuifw.app.menu = []

        appuifw.app.screen = 'normal'

        appuifw.app.orientation = 'automatic'

        appuifw.app.exit_key_handler = self.exit_key_handler

        appuifw.app.body = self.lb

    def exit_key_handler(self):

        appuifw.app.exit_key_handler = None

        self.script_lock.signal()

    def lbox_observe(self, ind = None):

        if not ind == None:

            index = ind

        else:

            index = self.lb.current()

        focused_item = 0

        if self.current_dir.at_root:

            self.dir_stack.append(index)

            self.current_dir.add(index)

        elif index == 0:                              # ".." selected

            focused_item = self.dir_stack.pop()

            self.current_dir.pop()

        elif os.path.isdir(self.current_dir.entry(index-1)):

            self.dir_stack.append(index)

            self.current_dir.add(index-1)

        else:

            item = self.current_dir.entry(index-1)

            if os.path.splitext(item)[1].lower() == u'.py':

                i = appuifw.popup_menu([u"execfile()", u"Delete"])

            else:

                i = appuifw.popup_menu([u"Open", u"Delete"])

            if i == 0:

                if os.path.splitext(item)[1].lower() == u'.py':

                    execfile(item, globals())

                    self.refresh()

                    #appuifw.Content_handler().open_standalone(item)

                else:

                    try:

                        appuifw.Content_handler().open(item)

                    except:

                        import sys

                        type, value = sys.exc_info() [:2]

                        appuifw.note(unicode(str(type) + '\n' + str(value)), \

                                     "info")

                return

            elif i == 1:

                os.remove(item)

                focused_item = index - 1

        entries = self.current_dir.list_repr()

        if not self.current_dir.at_root:

            entries.insert(0, (u"..", u""))

        self.lb.set_list(entries, focused_item)

if __name__ == '__main__':

    Filebrowser().run()