# -*- coding: UTF-8 -*-
#Remix by lexlong ɳŸ<804381256@qq.com>2020-10-19
# Embedded file name: deluge\ui\gtkui\torrentdetails.py
"""The torrent details component shows info about the selected torrent."""
import gtk, gtk.glade
import os
import os.path
import cPickle
import deluge.component as component
from deluge.ui.client import client
from deluge.configmanager import ConfigManager
import deluge.configmanager
from deluge.log import LOG as log

class Tab:

    def __init__(self):
        self.is_visible = True
        self.position = -1
        self.weight = -1

    def get_name(self):
        return self._name

    def get_child_widget(self):
        parent = self._child_widget.get_parent()
        if parent is not None:
            parent.remove(self._child_widget)
        return self._child_widget

    def get_tab_label(self):
        parent = self._tab_label.get_parent()
        log.debug('parent: %s', parent)
        if parent is not None:
            parent.remove(self._tab_label)
        return self._tab_label


class TorrentDetails(component.Component):

    def __init__(self):
        component.Component.__init__(self, 'TorrentDetails', interval=2)
        self.window = component.get('MainWindow')
        glade = self.window.main_glade
        self.notebook = glade.get_widget('torrent_info')
        self.menu_tabs = glade.get_widget('menu_tabs')
        self.notebook.connect('switch-page', self._on_switch_page)
        self.tabs = {}
        from status_tab import StatusTab
        from details_tab import DetailsTab
        from files_tab import FilesTab
        from peers_tab import PeersTab
        from options_tab import OptionsTab
        default_tabs = {'Status': StatusTab,
         'Details': DetailsTab,
         'Files': FilesTab,
         'Peers': PeersTab,
         'Options': OptionsTab}
        default_order = [('Status', True),
         ('Details', True),
         ('Files', True),
         ('Peers', True),
         ('Options', True)]
        self.translate_tabs = {'All': _('所有'),
         'Status': _('状态'),
         'Details': _('详细'),
         'Files': _('文件'),
         'Peers': _('连接'),
         'Options': _('选项)}
        state = self.load_state()
        if state:
            for item in state:
                if not isinstance(item, tuple):
                    log.debug('Old tabs.state, using default..')
                    state = None
                    break

        if state == None:
            state = default_order
        self.state = [ (tab_name.replace('Statistics', 'Status'), visible) for tab_name, visible in state ]
        for tab in default_tabs.itervalues():
            self.add_tab(tab(), generate_menu=False)

        self.generate_menu()
        return

    def tab_insert_position(self, weight):
        """Returns the position a tab with a given weight should be inserted in"""
        weights = [ (tab.weight, name) for name, tab in self.tabs.iteritems() if tab.is_visible ]
        weights.sort()
        log.debug('weights: %s', weights)
        log.debug('weight of tab: %s', weight)
        position = -1
        for w, name in weights:
            if w >= weight:
                position = self.tabs[name].position
                log.debug('Found pos %d' % position)
                break

        return position

    def add_tab(self, tab, generate_menu = True, visible = None):
        name = tab.get_name()
        weight = None
        for w, item in enumerate(self.state):
            if item[0] == name:
                weight = w
                if visible is None:
                    visible = item[1]
                break

        if weight is None:
            if visible is None:
                visible = True
            weight = len(self.state)
            self.state.append((name, visible))
        tab.weight = weight
        if visible:
            tab.is_visible = True
            insert_pos = self.tab_insert_position(weight)
            log.debug('Trying to insert tab at %d' % insert_pos)
            pos = self.notebook.insert_page(tab.get_child_widget(), tab.get_tab_label(), insert_pos)
            log.debug('Tab inserted at %d' % pos)
            tab.position = pos
            if not self.notebook.get_property('visible'):
                self.visible(True)
        else:
            tab.is_visible = False
        self.tabs[name] = tab
        if name not in self.translate_tabs:
            self.translate_tabs[name] = _(name)
        self.regenerate_positions()
        if generate_menu:
            self.generate_menu()
        return

    def regenerate_positions(self):
        """This will sync up the positions in the tab, with the position stored
        in the tab object"""
        for tab in self.tabs:
            page_num = self.notebook.page_num(self.tabs[tab]._child_widget)
            if page_num > -1:
                self.tabs[tab].position = page_num

    def remove_tab(self, tab_name):
        """Removes a tab by name."""
        self.notebook.remove_page(self.tabs[tab_name].position)
        del self.tabs[tab_name]
        self.regenerate_positions()
        self.generate_menu()
        if len(self.tabs) == 0:
            self.visible(False)

    def hide_all_tabs(self):
        """Hides all tabs"""
        log.debug('n_pages: %s', self.notebook.get_n_pages())
        for n in xrange(self.notebook.get_n_pages() - 1, -1, -1):
            self.notebook.remove_page(n)

        for tab in self.tabs:
            self.tabs[tab].is_visible = False

        log.debug('n_pages: %s', self.notebook.get_n_pages())
        self.generate_menu()
        self.visible(False)

    def show_all_tabs(self):
        """Shows all tabs"""
        for tab in self.tabs:
            if not self.tabs[tab].is_visible:
                self.show_tab(tab, generate_menu=False)

        self.generate_menu()

    def hide_tab(self, tab_name):
        """Hides tab by name"""
        self.tabs[tab_name].is_visible = False
        self.notebook.remove_page(self.tabs[tab_name].position)
        self.regenerate_positions()
        self.generate_menu()
        show = False
        for name, tab in self.tabs.iteritems():
            show = show or tab.is_visible

        self.visible(show)

    def show_tab(self, tab_name, generate_menu = True):
        log.debug('%s\n%s\n%s', self.tabs[tab_name].get_child_widget(), self.tabs[tab_name].get_tab_label(), self.tabs[tab_name].position)
        position = self.tab_insert_position(self.tabs[tab_name].weight)
        log.debug('position: %s', position)
        self.notebook.insert_page(self.tabs[tab_name].get_child_widget(), self.tabs[tab_name].get_tab_label(), position)
        self.tabs[tab_name].is_visible = True
        self.regenerate_positions()
        if generate_menu:
            self.generate_menu()
        self.visible(True)

    def generate_menu(self):
        """Generates the checklist menu for all the tabs and attaches it"""
        menu = gtk.Menu()
        menuitem = gtk.CheckMenuItem(self.translate_tabs['All'], True)
        menuitem.set_name('All')
        all_tabs = True
        for key in self.tabs:
            if not self.tabs[key].is_visible:
                all_tabs = False
                break

        menuitem.set_active(all_tabs)
        menuitem.connect('toggled', self._on_menuitem_toggled)
        menu.append(menuitem)
        menuitem = gtk.SeparatorMenuItem()
        menu.append(menuitem)
        menuitem_list = []
        for tab_name in self.tabs:
            menuitem_list.append((self.tabs[tab_name].weight, tab_name))

        menuitem_list.sort()
        for pos, name in menuitem_list:
            menuitem = gtk.CheckMenuItem(self.translate_tabs[name], True)
            menuitem.set_name(name)
            menuitem.set_active(self.tabs[name].is_visible)
            menuitem.connect('toggled', self._on_menuitem_toggled)
            menu.append(menuitem)

        self.menu_tabs.set_submenu(menu)
        self.menu_tabs.show_all()

    def visible(self, visible):
        if visible:
            self.notebook.show()
        else:
            self.notebook.hide()
            self.window.vpaned.set_position(-1)

    def set_tab_visible(self, tab_name, visible):
        """Sets the tab to visible"""
        log.debug('set_tab_visible name: %s visible: %s', tab_name, visible)
        if visible and not self.tabs[tab_name].is_visible:
            self.show_tab(tab_name)
        elif not visible and self.tabs[tab_name].is_visible:
            self.hide_tab(tab_name)

    def start(self):
        for tab in self.tabs.values():
            try:
                tab.start()
            except AttributeError:
                pass

    def stop(self):
        self.clear()
        for tab in self.tabs.values():
            try:
                tab.stop()
            except AttributeError:
                pass

    def shutdown(self):
        for tab in self.tabs:
            try:
                self.tabs[tab].save_state()
            except AttributeError:
                pass

        self.save_state()

    def update(self, page_num = None):
        if len(component.get('TorrentView').get_selected_torrents()) == 0:
            self.clear()
        if self.notebook.get_property('visible'):
            if page_num == None:
                page_num = self.notebook.get_current_page()
            try:
                name = None
                for tab in self.tabs:
                    if self.tabs[tab].position == page_num and self.tabs[tab].is_visible:
                        name = tab

            except IndexError:
                return

            if name:
                self.tabs[name].update()
        return

    def clear(self):
        try:
            page_num = self.notebook.get_current_page()
            name = None
            for tab in self.tabs:
                if self.tabs[tab].position == page_num and self.tabs[tab].is_visible:
                    name = tab

            if name:
                self.tabs[name].clear()
        except Exception as e:
            log.debug('Unable to clear torrentdetails: %s', e)

        return

    def _on_switch_page(self, notebook, page, page_num):
        self.update(page_num)
        client.force_call(False)

    def _on_menuitem_toggled(self, widget):
        name = widget.get_name()
        if name == 'All':
            if widget.get_active():
                self.show_all_tabs()
            else:
                self.hide_all_tabs()
            return
        self.set_tab_visible(name, widget.get_active())

    def save_state(self):
        """We save the state, which is basically the tab_index list"""
        filename = 'tabs.state'
        for i, (name, visible) in enumerate(self.state):
            log.debug('Testing name: %s' % name)
            if name in self.tabs:
                self.state[i] = (name, self.tabs[name].is_visible)
                log.debug('Set to %s %d' % self.state[i])

        state = self.state
        config_location = deluge.configmanager.get_config_dir()
        try:
            log.debug('Saving TorrentDetails state file: %s', filename)
            state_file = open(os.path.join(config_location, filename), 'wb')
            cPickle.dump(state, state_file)
            state_file.close()
        except IOError as e:
            log.warning('Unable to save state file: %s', e)

    def load_state(self):
        filename = 'tabs.state'
        config_location = deluge.configmanager.get_config_dir()
        state = None
        try:
            log.debug('Loading TorrentDetails state file: %s', filename)
            state_file = open(os.path.join(config_location, filename), 'rb')
            state = cPickle.load(state_file)
            state_file.close()
        except (EOFError, IOError, cPickle.UnpicklingError) as e:
            log.warning('Unable to load state file: %s', e)

        return state