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playlist.py
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playlist.py
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# Copyright (C) 2010 Adam Olsen
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2, or (at your option)
# any later version.
#
# This program 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#
#
# The developers of the Exaile media player hereby grant permission
# for non-GPL compatible GStreamer and Exaile plugins to be used and
# distributed together with GStreamer and Exaile. This permission is
# above and beyond the permissions granted by the GPL license by which
# Exaile is covered. If you modify this code, you may extend this
# exception to your version of the code, but you are not obligated to
# do so. If you do not wish to do so, delete this exception statement
# from your version.
from gi.repository import Gdk
from gi.repository import GdkPixbuf
from gi.repository import GLib
from gi.repository import GObject
from gi.repository import Gtk
from gi.repository import Pango
import logging
import sys
from xl.nls import gettext as _
from xl.playlist import Playlist, is_valid_playlist, import_playlist
from xl import common, event, main, player, providers, settings, trax, xdg
from xlgui.widgets.common import AutoScrollTreeView
from xlgui.widgets.notebook import NotebookPage
from xlgui.widgets import dialogs, menu, menuitems, playlist_columns
from xlgui import guiutil, icons
logger = logging.getLogger(__name__)
def default_get_playlist_func(parent, context):
return player.QUEUE.current_playlist
class ModesMenuItem(menu.MenuItem):
"""
A menu item having a submenu containing entries for shuffle modes.
Defaults to adjusting the currently-playing playlist.
"""
modetype = ''
display_name = ""
def __init__(self, name, after, get_playlist_func=default_get_playlist_func):
menu.MenuItem.__init__(self, name, None, after)
self.get_playlist_func = get_playlist_func
def factory(self, menu, parent, context):
item = Gtk.ImageMenuItem.new_with_mnemonic(self.display_name)
image = Gtk.Image.new_from_icon_name(
'media-playlist-' + self.modetype, size=Gtk.IconSize.MENU
)
item.set_image(image)
submenu = self.create_mode_submenu(item)
item.set_submenu(submenu)
pl = self.get_playlist_func(parent, context)
item.set_sensitive(pl is not None)
return item
def create_mode_submenu(self, parent_item):
names = getattr(Playlist, "%s_modes" % self.modetype)
displays = getattr(Playlist, "%s_mode_names" % self.modetype)
items = []
previous = None
for name, display in zip(names, displays):
after = [previous] if previous else []
item = menu.radio_menu_item(
name,
after,
display,
'%s_modes' % self.modetype,
self.mode_is_selected,
self.on_mode_activated,
)
items.append(item)
if previous is None:
items.append(menu.simple_separator("sep", [items[-1].name]))
previous = items[-1].name
m = menu.Menu(parent_item)
for item in items:
m.add_item(item)
return m
def mode_is_selected(self, name, parent, context):
pl = self.get_playlist_func(parent, context)
if pl is None:
return False
return getattr(pl, "%s_mode" % self.modetype) == name
def on_mode_activated(self, widget, name, parent, context):
pl = self.get_playlist_func(parent, context)
if pl is None:
return False
setattr(pl, "%s_mode" % self.modetype, name)
class ShuffleModesMenuItem(ModesMenuItem):
modetype = 'shuffle'
display_name = _("S_huffle")
class RepeatModesMenuItem(ModesMenuItem):
modetype = 'repeat'
display_name = _("R_epeat")
class DynamicModesMenuItem(ModesMenuItem):
modetype = 'dynamic'
display_name = _("_Dynamic")
class RemoveCurrentMenuItem(menu.MenuItem):
"""
Allows for removing the currently playing
track from the current playlist
"""
def __init__(self, after, get_playlist_func=default_get_playlist_func):
menu.MenuItem.__init__(self, 'remove-current', None, after)
self.get_playlist_func = get_playlist_func
def factory(self, menu, parent, context):
"""
Sets up the menu item
"""
item = Gtk.ImageMenuItem.new_with_mnemonic(
_('Remove _Current Track From Playlist')
)
item.set_image(Gtk.Image.new_from_icon_name('list-remove', Gtk.IconSize.MENU))
item.connect('activate', self.on_activate, parent, context)
if player.PLAYER.is_stopped():
item.set_sensitive(False)
return item
def on_activate(self, menuitem, parent, context):
"""
Removes the currently playing track from the current playlist
"""
playlist = self.get_playlist_func(parent, context)
if playlist and playlist.current == player.PLAYER.current:
del playlist[playlist.current_position]
class RandomizeMenuItem(menu.MenuItem):
"""
A menu item which randomizes the full
playlist or the current selection
"""
def __init__(self, after):
menu.MenuItem.__init__(self, 'randomize', None, after)
def factory(self, menu, parent, context):
"""
Sets up the menu item
"""
label = _('R_andomize Playlist')
if not context['selection-empty']:
label = _('R_andomize Selection')
item = Gtk.MenuItem.new_with_mnemonic(label)
item.connect('activate', self.on_activate, parent, context)
return item
def on_activate(self, menuitem, parent, context):
"""
Randomizes the playlist or the selection
"""
positions = [path[0] for path in context['selected-paths']]
# Randomize the full playlist if only one track was selected
positions = positions if len(positions) > 1 else []
# If you don't unselect before randomizing, a large number of selected will
# kill performance
parent.get_selection().unselect_all()
with parent.handler_block(parent._cursor_changed):
context['playlist'].randomize(positions)
# do this in a function to avoid polluting the global namespace
def __create_playlist_tab_context_menu():
smi = menu.simple_menu_item
sep = menu.simple_separator
items = []
items.append(
smi(
'new-tab',
[],
_("_New Playlist"),
'tab-new',
lambda w, n, o, c: o.tab.notebook.create_new_playlist(),
)
)
items.append(sep('new-tab-sep', ['new-tab']))
items.append(
smi(
'save',
['new-tab-sep'],
_("_Save"),
'document-save',
callback=lambda w, n, p, c: p.on_save(),
condition_fn=lambda n, p, c: (
p.can_save()
and main.exaile().playlists.has_playlist_name(p.playlist.name)
),
)
)
items.append(
smi(
'saveas',
['save'],
_("Save _As"),
'document-save-as',
callback=lambda w, n, p, c: p.on_saveas(),
condition_fn=lambda n, p, c: p.can_saveas(),
)
)
items.append(
smi(
'rename',
['saveas'],
_("_Rename"),
None,
callback=lambda w, n, p, c: p.tab.start_rename(),
condition_fn=lambda n, p, c: p.tab.can_rename(),
)
)
items.append(
smi(
'clear',
['rename'],
_("_Clear"),
'edit-clear-all',
lambda w, n, o, c: o.playlist.clear(),
)
)
items.append(sep('tab-close-sep', ['clear']))
def _get_pl_func(o, c):
return o.playlist
items.append(
menuitems.ExportPlaylistMenuItem('export', ['tab-close-sep'], _get_pl_func)
)
items.append(
menuitems.ExportPlaylistFilesMenuItem('export-files', ['export'], _get_pl_func)
)
items.append(sep('tab-export-sep', ['export']))
items.append(
smi(
'tab-close',
['tab-export-sep'],
_("Close _Tab"),
'window-close',
lambda w, n, o, c: o.tab.close(),
)
)
for item in items:
providers.register('playlist-tab-context-menu', item)
__create_playlist_tab_context_menu()
class PlaylistContextMenu(menu.ProviderMenu):
def __init__(self, page):
"""
:param page: The :class:`PlaylistPage` this menu is
associated with.
"""
menu.ProviderMenu.__init__(self, 'playlist-context-menu', page)
self.attach_to_widget(page, None)
def get_context(self):
context = common.LazyDict(self._parent)
context['playlist'] = lambda name, parent: parent.playlist
context['selection-empty'] = (
lambda name, parent: parent.get_selection_count() == 0
)
context['selected-paths'] = lambda name, parent: parent.get_selected_paths()
context['selected-items'] = lambda name, parent: parent.get_selected_items()
context['selected-tracks'] = lambda name, parent: parent.get_selected_tracks()
context['selection-count'] = lambda name, parent: parent.get_selection_count()
return context
class SPATMenuItem(menu.MenuItem):
"""
Menu item allowing for toggling playback
stop after the selected track (SPAT)
"""
def __init__(self, name, after):
menu.MenuItem.__init__(self, name, None, after)
def factory(self, menu, parent, context):
"""
Generates the menu item
"""
display_name = _('_Stop Playback After This Track')
icon_name = 'media-playback-stop'
if context['selected-items']:
selection_position = context['selected-items'][0][0]
if selection_position == parent.playlist.spat_position:
display_name = _('_Continue Playback After This Track')
icon_name = 'media-playback-start'
menuitem = Gtk.ImageMenuItem.new_with_mnemonic(display_name)
menuitem.set_image(Gtk.Image.new_from_icon_name(icon_name, Gtk.IconSize.MENU))
menuitem.connect('activate', self.on_menuitem_activate, parent, context)
return menuitem
def on_menuitem_activate(self, menuitem, parent, context):
"""
Toggles the SPAT state
"""
selection_position = context['selected-items'][0][0]
if selection_position == parent.playlist.spat_position:
parent.playlist.spat_position = -1
else:
parent.playlist.spat_position = selection_position
def __create_playlist_context_menu():
smi = menu.simple_menu_item
sep = menu.simple_separator
items = []
items.append(menuitems.EnqueueMenuItem('enqueue', []))
items.append(SPATMenuItem('toggle-spat', [items[-1].name]))
def rating_get_tracks_func(menuobj, parent, context):
return [row[1] for row in context['selected-items']]
items.append(menuitems.RatingMenuItem('rating', [items[-1].name]))
# TODO: custom playlist item here
items.append(sep('sep1', [items[-1].name]))
def remove_tracks_cb(widget, name, playlistpage, context):
tracks = context['selected-items']
playlist = playlistpage.playlist
# If it's all one block, just delete it in one chunk for
# maximum speed.
positions = [t[0] for t in tracks]
if positions == list(range(positions[0], positions[0] + len(positions))):
del playlist[positions[0] : positions[0] + len(positions)]
else:
for position, track in tracks[::-1]:
del playlist[position]
items.append(
smi(
'remove',
[items[-1].name],
_("_Remove from Playlist"),
'list-remove',
remove_tracks_cb,
)
)
items.append(RandomizeMenuItem([items[-1].name]))
def playlist_menu_condition(name, parent, context):
"""
Returns True if the containing notebook's tab bar is hidden
"""
scrolledwindow = parent.get_parent()
page = scrolledwindow.get_parent()
return not page.tab.notebook.get_show_tabs()
items.append(
smi(
'playlist-menu',
[items[-1].name],
_('Playlist'),
submenu=menu.ProviderMenu('playlist-tab-context-menu', None),
condition_fn=playlist_menu_condition,
)
)
items.append(sep('sep2', [items[-1].name]))
items.append(
smi(
'properties',
[items[-1].name],
_("_Track Properties"),
'document-properties',
lambda w, n, o, c: o.show_properties_dialog(),
)
)
for item in items:
providers.register('playlist-context-menu', item)
__create_playlist_context_menu()
class PlaylistPageBase(NotebookPage):
"""
Base class for playlist pages. Subclasses can indicate that
they support the following operations:
save:
- Define a function called 'on_save'
save as:
- Define a function called 'on_saveas'
"""
menu_provider_name = 'playlist-tab-context-menu'
def __init__(self, playlist, player):
NotebookPage.__init__(self)
self.player = player
self.playlist = playlist
self.play_pixbuf = icons.MANAGER.pixbuf_from_icon_name(
'media-playback-start', size=Gtk.IconSize.MENU
)
self.pause_pixbuf = icons.MANAGER.pixbuf_from_icon_name(
'media-playback-pause', size=Gtk.IconSize.MENU
)
event.add_ui_callback(
self.on_playback_state_change,
"playback_track_start",
player,
destroy_with=self,
)
event.add_ui_callback(
self.on_playback_state_change,
"playback_track_end",
player,
destroy_with=self,
)
event.add_ui_callback(
self.on_playback_state_change,
"playback_player_pause",
player,
destroy_with=self,
)
event.add_ui_callback(
self.on_playback_state_change,
"playback_player_resume",
player,
destroy_with=self,
)
def on_playback_state_change(self, typ, player, track):
"""
Sets the tab icon to reflect the playback status
"""
if player.queue.current_playlist != self.playlist:
self.tab.set_icon(None)
elif typ in ('playback_player_end', 'playback_track_end'):
self.tab.set_icon(None)
elif typ in ('playback_track_start', 'playback_player_resume'):
self.tab.set_icon(self.play_pixbuf)
elif typ == 'playback_player_pause':
self.tab.set_icon(self.pause_pixbuf)
def can_save(self):
return hasattr(self, 'on_save')
def can_saveas(self):
return hasattr(self, 'on_saveas')
class PlaylistPage(PlaylistPageBase):
"""
Displays a playlist and associated controls.
"""
def __init__(self, playlist, player):
"""
:param playlist: The :class:`xl.playlist.Playlist` to display
in this page.
:param player: The :class:`xl.player._base.ExailePlayer` that
this page is associated with
:param queue:
"""
PlaylistPageBase.__init__(self, playlist, player)
NotebookPage.__init__(self)
self.icon = None
self.loading = None
self.loading_timer = None
uifile = xdg.get_data_path("ui", "playlist.ui")
self.builder = guiutil.get_builder(uifile)
playlist_page = self.builder.get_object("playlist_page")
for child in playlist_page.get_children():
packing = playlist_page.query_child_packing(child)
playlist_page.remove(child)
self.add(child)
self.set_child_packing(child, *packing)
self.shuffle_button = self.builder.get_object("shuffle_button")
self.repeat_button = self.builder.get_object("repeat_button")
self.dynamic_button = self.builder.get_object("dynamic_button")
self.search_entry = guiutil.SearchEntry(self.builder.get_object("search_entry"))
self.builder.connect_signals(self)
self.playlist_window = self.builder.get_object("playlist_window")
self.playlist_utilities_bar = self.builder.get_object('playlist_utilities_bar')
self.view = PlaylistView(playlist, player)
self.view.set_search_entry(self.search_entry.entry)
self.view.connect(
'start-interactive-search', lambda *a: self.search_entry.entry.grab_focus()
)
self.playlist_window.add(self.view)
event.add_ui_callback(
self.on_mode_changed,
'playlist_shuffle_mode_changed',
self.playlist,
self.shuffle_button,
destroy_with=self,
)
event.add_ui_callback(
self.on_mode_changed,
'playlist_repeat_mode_changed',
self.playlist,
self.repeat_button,
destroy_with=self,
)
event.add_ui_callback(
self.on_mode_changed,
'playlist_dynamic_mode_changed',
self.playlist,
self.dynamic_button,
destroy_with=self,
)
event.add_ui_callback(
self.on_dynamic_playlists_provider_changed,
'dynamic_playlists_provider_added',
destroy_with=self,
)
event.add_ui_callback(
self.on_dynamic_playlists_provider_changed,
'dynamic_playlists_provider_removed',
destroy_with=self,
)
event.add_ui_callback(self.on_option_set, 'gui_option_set', destroy_with=self)
self.on_mode_changed(
None, None, self.playlist.shuffle_mode, self.shuffle_button
)
self.on_mode_changed(None, None, self.playlist.repeat_mode, self.repeat_button)
self.on_mode_changed(
None, None, self.playlist.dynamic_mode, self.dynamic_button
)
self.on_dynamic_playlists_provider_changed(None, None, None)
self.on_option_set(
'gui_option_set', settings, 'gui/playlist_utilities_bar_visible'
)
self.view.connect('button-press-event', self.on_view_button_press_event)
self.view.model.connect('data-loading', self.on_data_loading)
if self.view.model.data_loading:
self.on_data_loading(None, True)
self.show_all()
## NotebookPage API ##
def focus(self):
self.view.grab_focus()
def get_page_name(self):
return self.playlist.name
def set_page_name(self, name):
self.playlist.name = name
self.name_changed()
def get_search_entry(self):
return self.search_entry
## End NotebookPage ##
## PlaylistPageBase API ##
# TODO: These two probably shouldn't reach back to main..
def on_save(self):
main.exaile().playlists.save_playlist(self.playlist, overwrite=True)
def on_saveas(self):
exaile = main.exaile()
playlists = exaile.playlists
name = dialogs.ask_for_playlist_name(
exaile.gui.main.window, playlists, self.playlist.name
)
if name is not None:
self.set_page_name(name)
playlists.save_playlist(self.playlist)
## End PlaylistPageBase API ##
def on_shuffle_button_press_event(self, widget, event):
self.__show_toggle_menu(
Playlist.shuffle_modes,
Playlist.shuffle_mode_names,
self.on_shuffle_mode_set,
'shuffle_mode',
widget,
event,
)
def on_shuffle_button_popup_menu(self, widget):
self.__show_toggle_menu(
Playlist.shuffle_modes,
Playlist.shuffle_mode_names,
self.on_shuffle_mode_set,
'shuffle_mode',
widget,
None,
)
return True
def on_repeat_button_press_event(self, widget, event):
self.__show_toggle_menu(
Playlist.repeat_modes,
Playlist.repeat_mode_names,
self.on_repeat_mode_set,
'repeat_mode',
widget,
event,
)
def on_repeat_button_popup_menu(self, widget):
self.__show_toggle_menu(
Playlist.repeat_modes,
Playlist.repeat_mode_names,
self.on_repeat_mode_set,
'repeat_mode',
widget,
None,
)
return True
def on_dynamic_button_toggled(self, widget):
if widget.get_active():
self.playlist.dynamic_mode = self.playlist.dynamic_modes[1]
else:
self.playlist.dynamic_mode = self.playlist.dynamic_modes[0]
def on_search_entry_activate(self, entry):
filter_string = entry.get_text()
self.view.filter_tracks(filter_string or None)
def __show_toggle_menu(self, names, display_names, callback, attr, widget, event):
"""
Display the menu on the shuffle/repeat toggle buttons
:param names: The list of names of the menu entries
:param display_names: The list of names to display on
each menu entry.
:param callback: The function to call when a menu item is
activated. It will be passed the name of the activated item.
:param attr: The attribute of self.playlist to look at to
determine the currently-selected item.
:param widget: The ToggleButton to display the menu on
:param event: The gtk event that triggered the menu display
"""
widget.set_active(True)
menu = Gtk.Menu()
menu.connect('deactivate', self._mode_menu_set_toggle, widget, attr)
prev = None
mode = getattr(self.playlist, attr)
for name, disp in zip(names, display_names):
group = None if prev is None else prev.get_group()
item = Gtk.RadioMenuItem.new_with_mnemonic(group, disp)
if name == mode:
item.set_active(True)
item.connect('activate', callback, name)
menu.append(item)
if prev is None:
menu.append(Gtk.SeparatorMenuItem())
prev = item
menu.attach_to_widget(widget)
menu.show_all()
if event is not None:
menu.popup(
None, None, guiutil.position_menu, widget, event.button, event.time
)
else:
menu.popup(None, None, guiutil.position_menu, widget, 0, 0)
menu.reposition()
def _mode_menu_set_toggle(self, menu, button, name):
mode = getattr(self.playlist, name)
self.on_mode_changed(None, None, mode, button)
def on_shuffle_mode_set(self, widget, mode):
"""
Callback for the Shuffle mode menu
"""
if widget.get_active():
self.playlist.shuffle_mode = mode
def on_repeat_mode_set(self, widget, mode):
"""
Callback for the Repeat mode menu
"""
if widget.get_active():
self.playlist.repeat_mode = mode
def on_mode_changed(self, evtype, playlist, mode, button):
button.set_active(mode != 'disabled')
def on_dynamic_playlists_provider_changed(self, evtype, manager, provider):
"""
Updates the dynamic button on provider changes
"""
providers_available = len(providers.get('dynamic_playlists')) > 0
sensitive = False
tooltip_text = _('Requires plugins providing dynamic playlists')
if providers_available:
sensitive = True
tooltip_text = _('Dynamically add similar tracks to the playlist')
self.dynamic_button.set_sensitive(sensitive)
self.dynamic_button.set_tooltip_text(tooltip_text)
def on_option_set(self, evtype, settings, option):
"""
Handles option changes
"""
if option == 'gui/playlist_utilities_bar_visible':
visible = settings.get_option(option, True)
self.playlist_utilities_bar.set_visible(visible)
self.playlist_utilities_bar.set_sensitive(visible)
self.playlist_utilities_bar.set_no_show_all(not visible)
def on_data_loading(self, model, loading):
'''Called when tracks are being loaded into the model'''
if loading:
if self.loading is None and self.loading_timer is None:
self.view.set_model(None)
self.loading_timer = GLib.timeout_add(500, self.on_data_loading_timer)
else:
if self.loading_timer is not None:
GLib.source_remove(self.loading_timer)
self.loading_timer = None
self.view.set_model(self.view.modelfilter)
if self.loading is not None:
guiutil.gtk_widget_replace(self.loading, self.playlist_window)
self.loading.destroy()
self.loading = None
def on_data_loading_timer(self):
if self.loading_timer is None:
return
self.loading_timer = None
grid = Gtk.Grid()
sp = Gtk.Spinner()
sp.start()
lbl = Gtk.Label.new(_('Loading'))
grid.attach(sp, 0, 0, 1, 1)
grid.attach(lbl, 1, 0, 1, 1)
grid.set_halign(Gtk.Align.CENTER)
grid.set_valign(Gtk.Align.CENTER)
self.loading = grid
guiutil.gtk_widget_replace(self.playlist_window, self.loading)
self.loading.show_all()
def on_view_button_press_event(self, view, e):
"""
Displays the tab context menu upon
clicks in the contained view
"""
path = view.get_path_at_pos(int(e.x), int(e.y))
# We only need the tree path if present
path = path[0] if path else None
if (
not path
and e.type == Gdk.EventType.BUTTON_PRESS
and e.triggers_context_menu()
):
self.tab_menu.popup(None, None, None, None, e.button, e.time)
class PlaylistView(AutoScrollTreeView, providers.ProviderHandler):
__gsignals__ = {}
def __init__(self, playlist, player):
AutoScrollTreeView.__init__(self)
providers.ProviderHandler.__init__(self, 'playlist-columns')
self.playlist = playlist
self.player = player
self._current_vertical_scroll = 0
self._insert_row = -1
self._insert_count = 0
self.menu = PlaylistContextMenu(self)
self.header_menu = menu.ProviderMenu('playlist-columns-menu', self)
self.header_menu.set_context_func(self.get_header_context)
self.header_menu.attach_to_widget(self)
self.dragging = False
self.pending_event = None
self.pending_edit_id = None # Timeout to ensure a double-click didn't occur
self.pending_edit_data = None # (path, col) or None
self.pending_edit_ok = False # Set to True by release or timeout
self._insert_focusing = False
self._hack_is_osx = sys.platform == 'darwin'
self._hack_osx_control_mask = False
# Set to true if you only want things to be copied here, not moved
self.dragdrop_copyonly = False
self.set_fixed_height_mode(True) # MASSIVE speedup - don't disable this!
self.set_enable_search(True)
self.selection = self.get_selection()
self.selection.set_mode(Gtk.SelectionMode.MULTIPLE)
self._filter_matcher = None
self._sort_columns = list(common.BASE_SORT_TAGS) # Column sort order
self._setup_models()
self._setup_columns()
self.columns_changed_id = self.connect(
"columns-changed", self.on_columns_changed
)
self.targets = [
Gtk.TargetEntry.new("exaile-index-list", Gtk.TargetFlags.SAME_APP, 0),
Gtk.TargetEntry.new("text/uri-list", 0, 0),
]
self.drag_source_set(
Gdk.ModifierType.BUTTON1_MASK,
self.targets,
Gdk.DragAction.COPY | Gdk.DragAction.MOVE,
)
self.drag_dest_set(
Gtk.DestDefaults.ALL,
self.targets,
Gdk.DragAction.COPY | Gdk.DragAction.DEFAULT | Gdk.DragAction.MOVE,
)
event.add_ui_callback(self.on_option_set, "gui_option_set", destroy_with=self)
event.add_ui_callback(
self.on_playback_start,
"playback_track_start",
self.player,
destroy_with=self,
)
event.add_ui_callback(
self.on_playback_start,
"playlist_track_next",
self.player,
destroy_with=self,
)
self._cursor_changed = self.connect("cursor-changed", self.on_cursor_changed)
self.connect("row-activated", self.on_row_activated)
self.connect("key-press-event", self.on_key_press_event)
self.connect("drag-begin", self.on_drag_begin)
self.connect("drag-drop", self.on_drag_drop)
self.connect("drag-data-get", self.on_drag_data_get)
self.connect("drag-data-received", self.on_drag_data_received)
self.connect("drag-data-delete", self.on_drag_data_delete)
self.connect("drag-end", self.on_drag_end)
self.connect("drag-motion", self.on_drag_motion)
self.connect("size-allocate", self.on_size_allocate)
def do_destroy(self):
# if this isn't disconnected, then the columns are emptied out and
# the user's settings are overwritten with an empty list
self.disconnect(self.columns_changed_id)
AutoScrollTreeView.do_destroy(self)
def _refilter(self):
with guiutil.without_model(self):
self.modelfilter.refilter()
def filter_tracks(self, filter_string):
"""
Only show tracks that match the filter. If filter is None, then
clear any existing filters.
The filter will search any currently enabled columns AND the
default columns.
"""
if filter_string is None:
self._filter_matcher = None
self._refilter()
else:
# Merge default columns and currently enabled columns
keyword_tags = set(
playlist_columns.DEFAULT_COLUMNS
+ [c.name for c in self.get_columns()[1:]]
)
self._filter_matcher = trax.TracksMatcher(
filter_string, case_sensitive=False, keyword_tags=keyword_tags
)
logger.debug(
"Filtering playlist %r by %r.", self.playlist.name, filter_string
)
self._refilter()
logger.debug(
"Filtering playlist %r by %r completed.",
self.playlist.name,
filter_string,
)
def get_selection_count(self):
"""
Returns the number of items currently selected in the
playlist. Prefer this to len(get_selected_tracks()) et al
if you will discard the actual track list
"""
return self.get_selection().count_selected_rows()
def get_selected_tracks(self):
"""
Returns a list of :class:`xl.trax.Track`
which are currently selected in the playlist.
"""
return [x[1] for x in self.get_selected_items()]
def get_selected_paths(self):
"""
Returns a list of pairs of treepaths which are currently
selected in the playlist.
The treepaths are returned for the base model, so they are
indices that can be used with the playlist currently
associated with this view.
"""
selection = self.get_selection()
model, paths = selection.get_selected_rows()
if isinstance(model, Gtk.TreeModelFilter):
paths = [model.convert_path_to_child_path(path) for path in paths]
return paths
def get_selected_items(self):
"""
Returns a list of pairs of indices and :class:`xl.trax.Track`
which are currently selected in the playlist.