import logging from PyQt6.QtCore import Qt, pyqtSignal from PyQt6.QtGui import QColor from PyQt6.QtWidgets import ( QAbstractItemView, QFrame, QHBoxLayout, QLabel, QListWidget, QListWidgetItem, QPushButton, QVBoxLayout, QWidget, ) from core.services.conflicts import detect_addon_overwrites from gui.theme import BUTTON_STYLE_ALT, FONT_SIZE_NORMAL, FRAME_STYLE, SECTION_LABEL_STYLE, WARNING log = logging.getLogger() class LoadOrderPanel(QWidget): load_order_changed = pyqtSignal() unadd_requested = pyqtSignal(str) deselect_all_requested = pyqtSignal() def __init__(self, parent=None): super().__init__(parent) self.load_order_list = None self.conflict_label = None self.deselect_all_btn = None self.setup_ui() def setup_ui(self): layout = QVBoxLayout(self) layout.setContentsMargins(0, 0, 0, 0) load_order_frame = QFrame() load_order_frame.setStyleSheet(FRAME_STYLE) load_order_layout = QVBoxLayout(load_order_frame) header_row = QHBoxLayout() load_order_lbl = QLabel("Load Order (Drag to Reorder)") load_order_lbl.setStyleSheet(SECTION_LABEL_STYLE) header_row.addWidget(load_order_lbl) header_row.addStretch() self.deselect_all_btn = QPushButton("Deselect All") self.deselect_all_btn.setStyleSheet(BUTTON_STYLE_ALT) self.deselect_all_btn.clicked.connect(self.deselect_all_requested) header_row.addWidget(self.deselect_all_btn) load_order_layout.addLayout(header_row) self.load_order_list = QListWidget() self.load_order_list.setSelectionMode(QListWidget.SelectionMode.SingleSelection) self.load_order_list.setDragDropMode(QAbstractItemView.DragDropMode.InternalMove) self.load_order_list.model().rowsMoved.connect(self.on_load_order_changed) self.load_order_list.itemClicked.connect(lambda: self.load_order_list.clearSelection()) self.load_order_list.itemDoubleClicked.connect(self.on_item_double_clicked) load_order_layout.addWidget(self.load_order_list) self.conflict_label = QLabel("Conflicts detected, hover over ⚠ for details") self.conflict_label.setAlignment(Qt.AlignmentFlag.AlignCenter) self.conflict_label.setStyleSheet(f"color: {WARNING}; font-size: {FONT_SIZE_NORMAL}; padding: 8px;") self.conflict_label.hide() load_order_layout.addWidget(self.conflict_label) layout.addWidget(load_order_frame) def on_load_order_changed(self): self.load_order_changed.emit() def on_item_double_clicked(self, item): # double-click removes the mod from the load order by unchecking its addon text = item.text() clean_name = text.split('] ', 1)[-1].replace(' ⚠', '').strip() self.unadd_requested.emit(clean_name) def get_load_order(self): load_order = [] for i in range(self.load_order_list.count()): text = self.load_order_list.item(i).text() # strip [#N] prefix and ⚠ suffix if present clean_name = text.split('] ', 1)[-1].replace(' ⚠', '').strip() load_order.append(clean_name) # reverse the order so that top item is installed last and wins conflicts return list(reversed(load_order)) def update_display(self, addon_contents, addon_name_mapping=None): # add numbering and conflict detection to load order list try: self.load_order_list.blockSignals(True) load_order_items = [] # collect all items for i in range(self.load_order_list.count()): item = self.load_order_list.item(i) load_order_items.append(item.text().split('] ', 1)[-1].replace(' ⚠', '').strip()) # rebuild with numbering and conflicts self.load_order_list.clear() total_items = len(load_order_items) # detect all conflicts at once using the conflicts service all_overwrites = detect_addon_overwrites( load_order_items, addon_contents if addon_contents else {}, addon_name_mapping ) has_conflicts = False for pos, addon_name in enumerate(load_order_items): priority_number = total_items - pos display_text = f"[#{priority_number}] {addon_name}" # check if this addon has conflicts if addon_name in all_overwrites: overwrites = all_overwrites[addon_name] display_text += " ⚠" has_conflicts = True tooltip = "
Will overwrite:
" for overwrite_addon, overwrite_files in overwrites.items(): tooltip += f"• {overwrite_addon}: " if overwrite_files: tooltip += f"{len(overwrite_files)} files including {overwrite_files[0]}
" else: tooltip += "Unknown files
" tooltip += "
" item = QListWidgetItem(display_text) item.setToolTip(tooltip) item.setForeground(QColor(WARNING)) self.load_order_list.addItem(item) else: self.load_order_list.addItem(display_text) # show/hide conflict warning self.conflict_label.setVisible(has_conflicts) self.load_order_list.blockSignals(False) except Exception: log.exception("Error in update_display") def sync_from_checked_addons(self, checked_addon_names): # update load order list from checked addons self.load_order_list.blockSignals(True) # get current load order existing_order = [] for i in range(self.load_order_list.count()): text = self.load_order_list.item(i).text() clean_name = text.split('] ', 1)[-1].replace(' ⚠', '').strip() existing_order.append(clean_name) # add new items at top, then keep existing order new_order = [] for name in checked_addon_names: if name not in existing_order: new_order.append(name) # then add existing items that are still checked for name in existing_order: if name in checked_addon_names: new_order.append(name) # update the list self.load_order_list.clear() for name in new_order: self.load_order_list.addItem(name) self.load_order_list.blockSignals(False) def clear(self): self.load_order_list.clear() self.conflict_label.hide() def restore_order(self, addon_names): # restore load order from saved list self.load_order_list.blockSignals(True) self.load_order_list.clear() for name in reversed(addon_names): self.load_order_list.addItem(name) self.load_order_list.blockSignals(False)