Files
sublime-music/sublime/ui/browse.py
2020-01-18 13:15:03 -07:00

275 lines
8.0 KiB
Python

from typing import Union
import gi
gi.require_version('Gtk', '3.0')
from gi.repository import Gtk, GObject, Pango, GLib, Gio
from sublime.state_manager import ApplicationState
from sublime.cache_manager import CacheManager
from sublime.ui import util
from sublime.ui.common import IconButton
from sublime.server.api_objects import Child, Artist
class BrowsePanel(Gtk.Overlay):
"""Defines the arist panel."""
__gsignals__ = {
'song-clicked': (
GObject.SignalFlags.RUN_FIRST,
GObject.TYPE_NONE,
(int, object, object),
),
'refresh-window': (
GObject.SignalFlags.RUN_FIRST,
GObject.TYPE_NONE,
(object, bool),
),
}
id_stack = None
def __init__(self):
super().__init__()
scrolled_window = Gtk.ScrolledWindow()
self.root_directory_listing = ListAndDrilldown(IndexList)
scrolled_window.add(self.root_directory_listing)
self.add(scrolled_window)
self.spinner = Gtk.Spinner(
active=True,
halign=Gtk.Align.CENTER,
valign=Gtk.Align.CENTER,
)
self.add_overlay(self.spinner)
def update(self, state: ApplicationState, force=False):
id_stack = []
# TODO make async
if CacheManager.ready:
directory = None
current_dir_id = state.selected_browse_element_id
while directory is None or directory.parent is not None:
directory = CacheManager.get_music_directory(
current_dir_id).result()
id_stack.append(directory.id)
current_dir_id = directory.parent
self.root_directory_listing.update(id_stack, state=state, force=force)
self.spinner.hide()
class ListAndDrilldown(Gtk.Paned):
__gsignals__ = {
'song-clicked': (
GObject.SignalFlags.RUN_FIRST,
GObject.TYPE_NONE,
(int, object, object),
),
'refresh-window': (
GObject.SignalFlags.RUN_FIRST,
GObject.TYPE_NONE,
(object, bool),
),
}
id_stack = None
def __init__(self, list_type):
Gtk.Paned.__init__(self, orientation=Gtk.Orientation.HORIZONTAL)
self.list = list_type()
self.pack1(self.list, False, False)
self.drilldown = Gtk.Box()
self.pack2(self.drilldown, True, False)
def update(
self,
id_stack,
state: ApplicationState,
force=False,
directory_id=None,
):
if self.id_stack == id_stack:
return
self.id_stack = id_stack
if len(id_stack) > 0:
self.remove(self.drilldown)
self.drilldown = ListAndDrilldown(MusicDirectoryList)
self.drilldown.update(
id_stack[:-1],
state,
force=force,
directory_id=id_stack[-1],
)
self.drilldown.show_all()
self.pack2(self.drilldown, True, False)
self.list.update(
None if len(id_stack) == 0 else id_stack[-1],
state=state,
force=force,
directory_id=directory_id,
)
class DrilldownList(Gtk.Box):
class DrilldownElement(GObject.GObject):
id = GObject.Property(type=str)
name = GObject.Property(type=str)
is_dir = GObject.Property(type=bool, default=True)
def __init__(self, element: Union[Child, Artist]):
GObject.GObject.__init__(self)
self.id = element.id
self.name = (
element.name if isinstance(element, Artist) else element.title)
self.is_dir = isinstance(element, Artist) or element.isDir
def __init__(self):
Gtk.Box.__init__(self, orientation=Gtk.Orientation.VERTICAL)
list_actions = Gtk.ActionBar()
refresh = IconButton('view-refresh-symbolic')
refresh.connect('clicked', self.on_refresh_clicked)
list_actions.pack_end(refresh)
self.add(list_actions)
self.loading_indicator = Gtk.ListBox()
spinner_row = Gtk.ListBoxRow(
activatable=False,
selectable=False,
)
spinner = Gtk.Spinner(
name='drilldown-list-spinner',
active=True,
)
spinner_row.add(spinner)
self.loading_indicator.add(spinner_row)
self.pack_start(self.loading_indicator, False, False, 0)
list_scroll_window = Gtk.ScrolledWindow(min_content_width=250)
self.drilldown_list_store = Gio.ListStore()
self.list = Gtk.ListBox()
self.list.bind_model(self.drilldown_list_store, self.create_row)
list_scroll_window.add(self.list)
self.pack_start(list_scroll_window, True, True, 0)
def do_update_store(self, elements):
new_store = []
selected_idx = None
for idx, el in enumerate(elements):
if el.id == self.selected_id:
selected_idx = idx
new_store.append(DrilldownList.DrilldownElement(el))
util.diff_model_store(self.drilldown_list_store, new_store)
# Preserve selection
if selected_idx is not None:
row = self.list.get_row_at_index(selected_idx)
self.list.select_row(row)
self.loading_indicator.hide()
class IndexList(DrilldownList):
def update(
self,
selected_id,
state: ApplicationState = None,
force=False,
**kwargs,
):
self.selected_id = selected_id
self.update_store(force=force, state=state)
def on_refresh_clicked(self, _):
self.update(self.selected_id, force=True)
@util.async_callback(
lambda *a, **k: CacheManager.get_indexes(*a, **k),
before_download=lambda self: self.loading_indicator.show_all(),
on_failure=lambda self, e: self.loading_indicator.hide(),
)
def update_store(
self,
artists,
state: ApplicationState = None,
force=False,
):
self.do_update_store(artists)
def create_row(self, model: DrilldownList.DrilldownElement):
row = Gtk.ListBoxRow(
action_name='app.browse-to',
action_target=GLib.Variant('s', model.id),
)
row.add(
Gtk.Label(
label=f'<b>{util.esc(model.name)}</b>',
use_markup=True,
margin=10,
halign=Gtk.Align.START,
ellipsize=Pango.EllipsizeMode.END,
max_width_chars=30,
))
row.show_all()
return row
class MusicDirectoryList(DrilldownList):
def update(
self,
selected_id,
state: ApplicationState = None,
force=False,
directory_id=None,
):
self.directory_id = directory_id
self.selected_id = selected_id
self.update_store(directory_id, force=force, state=state)
def on_refresh_clicked(self, _):
self.update(
self.selected_id, force=True, directory_id=self.directory_id)
@util.async_callback(
lambda *a, **k: CacheManager.get_music_directory(*a, **k),
before_download=lambda self: self.loading_indicator.show_all(),
on_failure=lambda self, e: self.loading_indicator.hide(),
)
def update_store(
self,
directory,
state: ApplicationState = None,
force=False,
):
self.do_update_store(directory.child)
def create_row(self, model: DrilldownList.DrilldownElement):
row = Gtk.ListBoxRow()
if model.is_dir:
row.set_action_name('app.browse-to')
row.set_action_target_value(GLib.Variant('s', model.id))
row.add(
Gtk.Label(
label=f'<b>{util.esc(model.name)}</b>',
use_markup=True,
margin=10,
halign=Gtk.Align.START,
ellipsize=Pango.EllipsizeMode.END,
max_width_chars=30,
))
row.show_all()
return row