Files
LinedanceAfspiller/linedance-app/ui/library_panel.py
2026-04-10 23:59:23 +02:00

365 lines
14 KiB
Python

"""
library_panel.py — Musikbibliotek med søgning og drag-and-drop til danseliste.
"""
from PyQt6.QtWidgets import (
QWidget, QVBoxLayout, QListWidget, QListWidgetItem,
QLineEdit, QLabel, QHBoxLayout, QPushButton, QProgressBar,
QAbstractItemView,
)
from PyQt6.QtCore import Qt, pyqtSignal, QTimer, QMimeData, QByteArray
from PyQt6.QtGui import QColor, QDrag
class DraggableLibraryList(QListWidget):
"""QListWidget der understøtter drag-start med sang-data som mime."""
def __init__(self, parent=None):
super().__init__(parent)
self.setDragEnabled(True)
self.setDragDropMode(QAbstractItemView.DragDropMode.DragOnly)
self.setDefaultDropAction(Qt.DropAction.CopyAction)
def startDrag(self, supported_actions):
item = self.currentItem()
if not item:
return
song = item.data(Qt.ItemDataRole.UserRole)
if not song:
return
import json
data = json.dumps(song).encode("utf-8")
mime = QMimeData()
mime.setData("application/x-linedance-song", QByteArray(data))
mime.setText(song.get("title", ""))
drag = QDrag(self)
drag.setMimeData(mime)
drag.exec(Qt.DropAction.CopyAction)
class LibraryPanel(QWidget):
song_selected = pyqtSignal(dict)
add_to_playlist = pyqtSignal(dict)
scan_requested = pyqtSignal()
edit_tags_requested = pyqtSignal(dict)
send_mail_requested = pyqtSignal(dict)
def __init__(self, parent=None):
super().__init__(parent)
self._all_songs: list[dict] = []
self._filtered: list[dict] = []
self._bpm_scan_running = False
self._search_timer = QTimer(self)
self._search_timer.setSingleShot(True)
self._search_timer.setInterval(150)
self._search_timer.timeout.connect(self._do_search)
self._build_ui()
def _build_ui(self):
layout = QVBoxLayout(self)
layout.setContentsMargins(0, 0, 0, 0)
layout.setSpacing(0)
# Header
header = QHBoxLayout()
header.setContentsMargins(10, 6, 10, 6)
lbl = QLabel("BIBLIOTEK")
lbl.setObjectName("section_title")
header.addWidget(lbl)
header.addStretch()
self._btn_bpm_scan = QPushButton("♩ BPM alle")
self._btn_bpm_scan.setFixedHeight(24)
self._btn_bpm_scan.setToolTip("Analysér BPM på alle sange uden BPM (kører i baggrunden)")
self._btn_bpm_scan.clicked.connect(self._start_bulk_bpm_scan)
header.addWidget(self._btn_bpm_scan)
btn_manage = QPushButton("⚙ Mapper")
btn_manage.setFixedHeight(24)
btn_manage.setToolTip("Tilføj, fjern og scan musikbiblioteker")
btn_manage.clicked.connect(self._manage_libraries)
header.addWidget(btn_manage)
layout.addLayout(header)
# Scan status
self._scan_bar = QProgressBar()
self._scan_bar.setObjectName("scan_bar")
self._scan_bar.setTextVisible(True)
self._scan_bar.setFormat("Scanner...")
self._scan_bar.setFixedHeight(16)
self._scan_bar.setRange(0, 0)
self._scan_bar.hide()
layout.addWidget(self._scan_bar)
self._scan_label = QLabel("")
self._scan_label.setObjectName("result_count")
self._scan_label.hide()
layout.addWidget(self._scan_label)
# Søgefelt
self._search = QLineEdit()
self._search.setPlaceholderText("Søg i titel, artist, album, dans...")
self._search.textChanged.connect(self._on_search_changed)
layout.addWidget(self._search)
# Resultat-tæller + drag-hint
hint_row = QHBoxLayout()
hint_row.setContentsMargins(8, 2, 8, 2)
self._count_label = QLabel("0 sange")
self._count_label.setObjectName("result_count")
hint_row.addWidget(self._count_label)
hint_row.addStretch()
drag_hint = QLabel("træk til danseliste →")
drag_hint.setObjectName("result_count")
hint_row.addWidget(drag_hint)
layout.addLayout(hint_row)
# Liste — draggable
self._list = DraggableLibraryList()
self._list.setObjectName("library_list")
self._list.itemDoubleClicked.connect(self._on_double_click)
self._list.setContextMenuPolicy(Qt.ContextMenuPolicy.CustomContextMenu)
self._list.customContextMenuRequested.connect(self._show_context_menu)
layout.addWidget(self._list)
# ── Scanning ──────────────────────────────────────────────────────────────
def _on_scan_clicked(self):
self.scan_requested.emit()
def set_scanning(self, scanning: bool, status_text: str = ""):
if scanning:
self._scan_bar.show()
self._scan_label.setText(status_text or "Starter...")
self._scan_label.show()
else:
self._scan_bar.hide()
self._scan_label.hide()
def update_scan_status(self, text: str):
self._scan_label.setText(text)
# ── Sange ─────────────────────────────────────────────────────────────────
def load_songs(self, songs: list[dict]):
self._all_songs = songs
self._do_search()
# ── Søgning ───────────────────────────────────────────────────────────────
def _on_search_changed(self):
self._search_timer.start()
def _do_search(self):
q = self._search.text().strip().lower()
self._filtered = [s for s in self._all_songs if self._matches(s, q)] if q else list(self._all_songs)
total = len(self._all_songs)
found = len(self._filtered)
q_text = self._search.text().strip()
self._count_label.setText(
f"{found} resultat{'er' if found != 1 else ''} for \"{q_text}\"" if q_text
else f"{total} sang{'e' if total != 1 else ''}"
)
self._render()
def _matches(self, song: dict, q: str) -> bool:
return any(q in f.lower() for f in [
song.get("title", ""), song.get("artist", ""),
song.get("album", ""), song.get("file_format", ""),
] + song.get("dances", []))
def _render(self):
self._list.clear()
q = self._search.text().strip().lower()
for song in self._filtered:
dances = song.get("dances", [])
dance_levels = song.get("dance_levels", [])
missing = song.get("file_missing", False)
dance_parts = []
for i, d in enumerate(dances):
lvl = dance_levels[i] if i < len(dance_levels) else ""
dance_parts.append(f"{d} / {lvl}" if lvl else d)
dance_str = " · " + " | ".join(dance_parts) if dance_parts else ""
line1 = ("" if missing else "") + song.get("title", "")
bpm = song.get("bpm", 0)
bpm_str = f"{bpm} BPM" if bpm else "? BPM"
line2 = f" {song.get('artist','')} · {bpm_str} · {song.get('file_format','').upper()}{dance_str}"
row_widget = QWidget()
row_widget.setStyleSheet("background: transparent;")
row_layout = QHBoxLayout(row_widget)
row_layout.setContentsMargins(2, 2, 2, 2)
row_layout.setSpacing(8)
lbl = QLabel(f"{line1}\n{line2}")
lbl.setWordWrap(False)
row_layout.addWidget(lbl, stretch=1)
btn_danse = QPushButton("Danse")
btn_danse.setFixedHeight(30)
btn_danse.setFixedWidth(70)
btn_danse.setToolTip("Rediger dans-tags")
btn_danse.setStyleSheet(
"QPushButton { background: #e8a020; color: #111; border-radius: 4px; "
"font-weight: bold; font-size: 12px; border: none; }"
"QPushButton:hover { background: #f0b030; }"
)
btn_danse.clicked.connect(lambda _, s=song: self.edit_tags_requested.emit(s))
row_layout.addWidget(btn_danse)
item = QListWidgetItem()
item.setData(Qt.ItemDataRole.UserRole, song)
row_widget.adjustSize()
hint = row_widget.sizeHint()
hint.setHeight(max(hint.height(), 52))
item.setSizeHint(hint)
self._list.addItem(item)
self._list.setItemWidget(item, row_widget)
def _start_bulk_bpm_scan(self):
"""Start BPM-analyse på alle sange uden BPM i baggrundstråd med lav prioritet."""
if self._bpm_scan_running:
return
songs_without_bpm = [s for s in self._all_songs
if not s.get("bpm") and not s.get("file_missing")]
if not songs_without_bpm:
self._btn_bpm_scan.setText("♩ Alle har BPM")
return
self._bpm_scan_running = True
self._btn_bpm_scan.setText(f"♩ Scanner 0/{len(songs_without_bpm)}...")
self._btn_bpm_scan.setEnabled(False)
from PyQt6.QtCore import QThread, pyqtSignal as _sig
class BulkBpmWorker(QThread):
progress = _sig(int, int, str) # done, total, title
finished = _sig()
def __init__(self, songs):
super().__init__()
self._songs = songs
def run(self):
from local.tag_reader import analyze_and_save_bpm
total = len(self._songs)
for i, song in enumerate(self._songs, start=1):
if self.isInterruptionRequested():
break
try:
bpm = analyze_and_save_bpm(song["local_path"], song["id"])
if bpm:
song["bpm"] = int(round(bpm))
except Exception:
pass
self.progress.emit(i, total, song.get("title", ""))
self.finished.emit()
self._bulk_bpm_worker = BulkBpmWorker(songs_without_bpm)
def on_progress(done, total, title):
self._btn_bpm_scan.setText(f"{done}/{total}...")
# Opdater sangen i listen
for s in self._all_songs:
if s.get("title") == title and s.get("bpm"):
break
self._do_search()
def on_finished():
self._bpm_scan_running = False
self._btn_bpm_scan.setEnabled(True)
self._btn_bpm_scan.setText("♩ BPM alle")
self._do_search()
self._bulk_bpm_worker.progress.connect(on_progress)
self._bulk_bpm_worker.finished.connect(on_finished)
self._bulk_bpm_worker.start()
self._bulk_bpm_worker.setPriority(QThread.Priority.LowestPriority)
# ── Handlinger ────────────────────────────────────────────────────────────
def _on_double_click(self, item: QListWidgetItem):
song = item.data(Qt.ItemDataRole.UserRole)
if song:
self.song_selected.emit(song)
def _show_context_menu(self, pos):
from PyQt6.QtWidgets import QMenu
item = self._list.itemAt(pos)
if not item:
return
song = item.data(Qt.ItemDataRole.UserRole)
if not song:
return
menu = QMenu(self)
act_add = menu.addAction("Tilføj til danseliste")
act_play = menu.addAction("Afspil")
menu.addSeparator()
act_tags = menu.addAction("✎ Rediger dans-tags...")
act_bpm = menu.addAction("♩ Analysér BPM")
menu.addSeparator()
send_menu = menu.addMenu("Send til")
act_mail = send_menu.addAction("✉ Send som mail")
action = menu.exec(self._list.mapToGlobal(pos))
if action == act_add:
self.add_to_playlist.emit(song)
elif action == act_play:
self.song_selected.emit(song)
elif action == act_tags:
self.edit_tags_requested.emit(song)
elif action == act_bpm:
self._analyze_bpm(song)
elif action == act_mail:
self.send_mail_requested.emit(song)
def _analyze_bpm(self, song: dict):
"""Analysér BPM i baggrundstråd og opdater biblioteket."""
path = song.get("local_path", "")
song_id = song.get("id", "")
if not path or not song_id:
return
from PyQt6.QtCore import QThread, pyqtSignal as _sig
class BpmWorker(QThread):
done = _sig(float)
def __init__(self, p, sid):
super().__init__()
self._p, self._sid = p, sid
def run(self):
from local.tag_reader import analyze_and_save_bpm
bpm = analyze_and_save_bpm(self._p, self._sid)
if bpm:
self.done.emit(bpm)
self._bpm_worker = BpmWorker(path, song_id)
def on_bpm_done(bpm):
# Opdater sangen i _all_songs listen direkte
for s in self._all_songs:
if s.get("id") == song_id:
s["bpm"] = int(round(bpm))
break
self._do_search()
self._bpm_worker.done.connect(on_bpm_done)
self._bpm_worker.start()
def _manage_libraries(self):
from ui.library_manager import LibraryManagerDialog
dialog = LibraryManagerDialog(parent=self.window())
dialog.library_removed.connect(lambda _: self.scan_requested.emit())
dialog.exec()
def _add_folder(self):
from PyQt6.QtWidgets import QFileDialog
folder = QFileDialog.getExistingDirectory(self, "Vælg musikmappe")
if folder:
mw = self.window()
if hasattr(mw, "add_library_path"):
mw.add_library_path(folder)