I gang

linedance-app/ui/library_panel.py

@@ -0,0 +1,221 @@
+"""
+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()
+
+    def __init__(self, parent=None):
+        super().__init__(parent)
+        self._all_songs: list[dict] = []
+        self._filtered:  list[dict] = []
+        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_scan = QPushButton("⟳  SCAN")
+        self._btn_scan.setFixedHeight(24)
+        self._btn_scan.setToolTip("Scan alle biblioteksmapper for nye og ændrede filer")
+        self._btn_scan.clicked.connect(self._on_scan_clicked)
+        header.addWidget(self._btn_scan)
+
+        btn_add = QPushButton("+ MAPPE")
+        btn_add.setFixedHeight(24)
+        btn_add.clicked.connect(self._add_folder)
+        header.addWidget(btn_add)
+        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._btn_scan.setEnabled(False)
+            self._btn_scan.setText("⟳  SCANNER...")
+            self._scan_bar.show()
+            self._scan_label.setText(status_text or "Starter...")
+            self._scan_label.show()
+        else:
+            self._btn_scan.setEnabled(True)
+            self._btn_scan.setText("⟳  SCAN")
+            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_str = "  ·  " + "  /  ".join(dances) if dances else ""
+            missing = song.get("file_missing", False)
+            line1 = ("⚠  " if missing else "") + song.get("title", "—")
+            line2 = f"  {song.get('artist','—')}  ·  {song.get('bpm',0)} BPM  ·  {song.get('file_format','').upper()}{dance_str}"
+            item = QListWidgetItem(f"{line1}\n{line2}")
+            item.setData(Qt.ItemDataRole.UserRole, song)
+            if missing:
+                item.setForeground(QColor("#5a6070"))
+            elif q and any(q in d.lower() for d in dances):
+                item.setForeground(QColor("#e8a020"))
+            self._list.addItem(item)
+
+    # ── 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")
+        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)
+
+    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)