193 lines
6 KiB
Python
193 lines
6 KiB
Python
#!/usr/bin/python3
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from PyQt6.QtCore import Qt, pyqtSignal
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from PyQt6.QtGui import QDropEvent, QIcon
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from PyQt6.QtWidgets import QTreeWidget, QAbstractItemView
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from .track import TrackItem
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from ..wobuzzm3u import WBZM3UData
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class PlaylistView(QTreeWidget):
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itemDropped = pyqtSignal(QTreeWidget, list)
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sort_signal = pyqtSignal(int, Qt.SortOrder)
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playing_mark = QIcon.fromTheme(QIcon.ThemeIcon.MediaPlaybackStart)
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def __init__(self, playlist, library_widget, parent=None):
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super().__init__(parent)
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self.playlist = playlist
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self.library_widget = library_widget
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self.app = playlist.app
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self.header = self.header()
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self.header.setSectionsClickable(True)
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self.header.setSortIndicatorShown(True)
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playlist.views[id(self.library_widget)] = self # let the playlist know that this view exists
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self.setSelectionMode(QAbstractItemView.SelectionMode.ExtendedSelection)
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self.setColumnCount(5)
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headers = [
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"#",
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"Title",
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"Artist",
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"Album",
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"Genre",
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"# Custom Sorting"
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]
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self.setHeaderLabels(headers)
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self.itemActivated.connect(self.on_track_activation)
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self.header.sectionClicked.connect(self.on_header_click)
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self.sort_signal.connect(self.sortItems)
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def on_header_click(self, section_index: int):
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if section_index == 0: # this would just invert the current sorting
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return
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sorting = self.playlist.sorting
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last_order = sorting[4]
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if last_order.sort_by + 1 == section_index:
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order = WBZM3UData.SortOrder(last_order.sort_by, not last_order.ascending) # invert order on 2nd click
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self.playlist.sorting[4] = order # set sorting
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# convert True/False to Qt.SortOrder.AscendingOrder/Qt.SortOrder.DescendingOrder
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qorder = Qt.SortOrder.AscendingOrder if order.ascending else Qt.SortOrder.DescendingOrder
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self.header.setSortIndicator(section_index, qorder)
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else:
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del sorting[0] # remove first sort
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# last sort is this section index + 1, ascending
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sorting.append(WBZM3UData.SortOrder(section_index - 1, True))
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self.header.setSortIndicator(section_index, Qt.SortOrder.AscendingOrder)
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self.sort()
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def sort(self):
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for order in self.playlist.sorting:
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# convert True/False to Qt.SortOrder.AscendingOrder/Qt.SortOrder.DescendingOrder
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qorder = Qt.SortOrder.AscendingOrder if order.ascending else Qt.SortOrder.DescendingOrder
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# somehow, QTreeWidget.sortItems() cant be called from a thread, so we have to use a signal to execute it
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# in the main thread
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self.sort_signal.emit(order.sort_by + 1, qorder)
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# self.sortItems(index, qorder)
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self.on_sort()
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def on_sort(self, user_sort: bool=False):
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num_tracks = self.topLevelItemCount()
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i = 0
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while i < num_tracks:
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track = self.topLevelItem(i)
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i += 1
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track.setText(0, str(i)) # 0 = index
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if user_sort:
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track.setText(5, str(i)) # 5 = user sort index
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if user_sort:
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# set last sort to user sort
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if not self.playlist.sorting[4].sort_by == WBZM3UData.SortOrder.custom_sorting:
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del self.playlist.sorting[0]
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self.playlist.sorting.append(WBZM3UData.SortOrder(WBZM3UData.SortOrder.custom_sorting, True))
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self.header.setSortIndicator(5, Qt.SortOrder.AscendingOrder)
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self.playlist.sync(self, user_sort) # sync playlist to this view
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def dropEvent(self, event: QDropEvent):
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# receive items that were dropped and create new items from its tracks (new items bc. widgets can only have
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# one parent)
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if event.source() == self:
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items = self.selectedItems() # dragged items are always selected items
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self.itemDropped.emit(self, items)
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else:
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items = self.app.gui.dropped
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i = 0
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for item in items:
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track = item.track
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self.playlist.tracks.append(track)
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track_item = TrackItem(track, i, self)
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i += 1
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super().dropEvent(event)
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event.accept()
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self.on_sort(True)
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def dragEnterEvent(self, event):
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# store dragged items in gui.dropped, so the other playlist can receive it
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if event.source() == self:
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items = self.selectedItems()
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self.app.gui.dropped = items
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super().dragEnterEvent(event)
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event.accept()
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def load_tracks(self):
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i = 0
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for track in self.playlist.tracks:
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track_item = TrackItem(track, i, self)
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i += 1
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def on_track_activation(self, item, column):
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if not self.app.player.current_playlist == self.playlist:
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self.app.player.current_playlist = self.playlist
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index = self.indexOfTopLevelItem(item)
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self.app.player.play_track_in_playlist(index)
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def on_track_change(self, previous_track, track):
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# unmark the previous track and playlist and mark the current track and playlist as playing
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playlist_tabs = self.parent().parent()
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index = playlist_tabs.indexOf(self) # tab index of this playlist
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if previous_track:
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# unmark all playlists by looping through the tabs
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for i in range(playlist_tabs.count()):
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playlist_tabs.setTabIcon(i, QIcon(None))
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# unmark the previous track in all playlists
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for item in previous_track.items:
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item.unmark()
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if track:
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playlist_tabs.setTabIcon(index, self.playing_mark) # mark this playlist
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# mark the current track in this playlist
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item = self.topLevelItem(self.app.player.current_playlist.current_track_index)
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item.mark()
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def append_track(self, track):
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TrackItem(track, self.topLevelItemCount(), self)
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