import os from threading import Lock from typing import List from PyQt5.QtCore import Qt, QUrl from PyQt5.QtGui import QPixmap, QIcon, QCursor from PyQt5.QtNetwork import QNetworkAccessManager, QNetworkRequest from PyQt5.QtWidgets import QTableWidget, QTableView, QMenu, QAction, QTableWidgetItem, QToolButton, QWidget, \ QHeaderView, QLabel, QHBoxLayout from fpakman.core import resource from fpakman.core.model import ApplicationStatus from fpakman.util.cache import Cache from fpakman.view.qt import dialog from fpakman.view.qt.view_model import ApplicationView, ApplicationViewStatus class UpdateToggleButton(QToolButton): def __init__(self, app_view: ApplicationView, root: QWidget, locale_keys: dict, checked: bool = True): super(UpdateToggleButton, self).__init__() self.app_view = app_view self.root = root self.setCheckable(True) self.clicked.connect(self.change_state) self.icon_on = QIcon(resource.get_path('img/toggle_on.svg')) self.icon_off = QIcon(resource.get_path('img/toggle_off.svg')) self.setIcon(self.icon_on) self.setStyleSheet('QToolButton { border: 0px; }') self.setToolTip(locale_keys['manage_window.apps_table.upgrade_toggle.tooltip']) if not checked: self.click() def change_state(self, not_checked: bool): self.app_view.update_checked = not not_checked self.setIcon(self.icon_on if not not_checked else self.icon_off) self.root.change_update_state(change_filters=False) class AppsTable(QTableWidget): def __init__(self, parent: QWidget, icon_cache: Cache, disk_cache: bool, download_icons: bool): super(AppsTable, self).__init__() self.setParent(parent) self.window = parent self.disk_cache = disk_cache self.download_icons = download_icons self.column_names = [parent.locale_keys[key].capitalize() for key in ['name', 'version', 'description', 'type', 'installed', 'manage_window.columns.update']] self.setColumnCount(len(self.column_names)) self.setFocusPolicy(Qt.NoFocus) self.setShowGrid(False) self.verticalHeader().setVisible(False) self.horizontalHeader().setVisible(False) self.setSelectionBehavior(QTableView.SelectRows) self.setHorizontalHeaderLabels(self.column_names) self.setHorizontalScrollBarPolicy(Qt.ScrollBarAlwaysOff) self.icon_flathub = QIcon(resource.get_path('img/flathub.svg')) self.icon_logo = QIcon(resource.get_path('img/logo.svg')) self.network_man = QNetworkAccessManager() self.network_man.finished.connect(self._load_icon_and_cache) self.icon_cache = icon_cache self.lock_async_data = Lock() def contextMenuEvent(self, QContextMenuEvent): # selected row right click event app = self.get_selected_app() menu_row = QMenu() if not app.model.installed and app.model.can_be_installed(): action_install = QAction(self.window.locale_keys["manage_window.apps_table.row.actions.install"]) action_install.setIcon(QIcon(resource.get_path('img/install.svg'))) action_install.triggered.connect(self._install_app) menu_row.addAction(action_install) if app.model.has_info(): action_info = QAction(self.window.locale_keys["manage_window.apps_table.row.actions.info"]) action_info.setIcon(QIcon(resource.get_path('img/info.svg'))) action_info.triggered.connect(self._get_app_info) menu_row.addAction(action_info) if app.model.installed: if app.model.can_be_refreshed(): action_history = QAction(self.window.locale_keys["manage_window.apps_table.row.actions.refresh"]) action_history.setIcon(QIcon(resource.get_path('img/refresh.svg'))) action_history.triggered.connect(self._refresh_app) menu_row.addAction(action_history) if app.model.has_history(): action_history = QAction(self.window.locale_keys["manage_window.apps_table.row.actions.history"]) action_history.setIcon(QIcon(resource.get_path('img/history.svg'))) action_history.triggered.connect(self._get_app_history) menu_row.addAction(action_history) if app.model.can_be_uninstalled(): action_uninstall = QAction(self.window.locale_keys["manage_window.apps_table.row.actions.uninstall"]) action_uninstall.setIcon(QIcon(resource.get_path('img/uninstall.svg'))) action_uninstall.triggered.connect(self._uninstall_app) menu_row.addAction(action_uninstall) if app.model.can_be_downgraded(): action_downgrade = QAction(self.window.locale_keys["manage_window.apps_table.row.actions.downgrade"]) action_downgrade.triggered.connect(self._downgrade_app) action_downgrade.setIcon(QIcon(resource.get_path('img/downgrade.svg'))) menu_row.addAction(action_downgrade) menu_row.adjustSize() menu_row.popup(QCursor.pos()) menu_row.exec_() def fill_async_data(self): if self.window.apps: for idx, app_v in enumerate(self.window.apps): if app_v.visible and app_v.status == ApplicationViewStatus.LOADING and app_v.model.status == ApplicationStatus.READY: if self.download_icons: self.network_man.get(QNetworkRequest(QUrl(app_v.model.base_data.icon_url))) app_name = self.item(idx, 0).text() if not app_name or app_name == '...': self.item(idx, 0).setText(app_v.model.base_data.name) self._set_col_version(idx, app_v) self._set_col_description(idx, app_v) app_v.status = ApplicationViewStatus.READY self.window.resize_and_center() def get_selected_app(self) -> ApplicationView: return self.window.apps[self.currentRow()] def get_selected_app_icon(self) -> QIcon: return self.item(self.currentRow(), 0).icon() def _uninstall_app(self): selected_app = self.get_selected_app() if dialog.ask_confirmation(title=self.window.locale_keys['manage_window.apps_table.row.actions.uninstall.popup.title'], body=self.window.locale_keys['manage_window.apps_table.row.actions.uninstall.popup.body'].format(selected_app.model.base_data.name), locale_keys=self.window.locale_keys): self.window.uninstall_app(selected_app) def _downgrade_app(self): selected_app = self.get_selected_app() if dialog.ask_confirmation(title=self.window.locale_keys['manage_window.apps_table.row.actions.downgrade'], body=self.window.locale_keys['manage_window.apps_table.row.actions.downgrade.popup.body'].format(selected_app.model.base_data.name), locale_keys=self.window.locale_keys): self.window.downgrade_app(selected_app) def _refresh_app(self): self.window.refresh(self.get_selected_app()) def _get_app_info(self): self.window.get_app_info(self.get_selected_app()) def _get_app_history(self): self.window.get_app_history(self.get_selected_app()) def _install_app(self): self.window.install_app(self.get_selected_app()) def _load_icon_and_cache(self, http_response): icon_url = http_response.url().toString() icon_data = self.icon_cache.get(icon_url) icon_was_cached = True if not icon_data: icon_bytes = http_response.readAll() if not icon_bytes: return icon_was_cached = False pixmap = QPixmap() pixmap.loadFromData(icon_bytes) icon = QIcon(pixmap) icon_data = {'icon': icon, 'bytes': icon_bytes} self.icon_cache.add(icon_url, icon_data) for idx, app in enumerate(self.window.apps): if app.model.base_data.icon_url == icon_url: col_name = self.item(idx, 0) col_name.setIcon(icon_data['icon']) if self.disk_cache and app.model.supports_disk_cache(): if not icon_was_cached or not os.path.exists(app.model.get_disk_icon_path()): self.window.manager.cache_to_disk(app=app.model, icon_bytes=icon_data['bytes'], only_icon=True) def update_apps(self, app_views: List[ApplicationView], update_check_enabled: bool = True): self.setRowCount(len(app_views) if app_views else 0) self.setEnabled(True) if app_views: for idx, app_v in enumerate(app_views): self._set_col_name(idx, app_v) self._set_col_version(idx, app_v) self._set_col_description(idx, app_v) self._set_col_type(idx, app_v) self._set_col_installed(idx, app_v) col_update = None if update_check_enabled and app_v.model.update: col_update = UpdateToggleButton(app_v, self.window, self.window.locale_keys, app_v.model.update) self.setCellWidget(idx, 5, col_update) def _set_col_installed(self, idx: int, app_v: ApplicationView): col_installed = QLabel() if app_v.model.installed: img_name = 'checked' tooltip = self.window.locale_keys['installed'] else: img_name = 'red_cross' tooltip = self.window.locale_keys['uninstalled'] col_installed.setPixmap((QPixmap(resource.get_path('img/{}.svg'.format(img_name))))) col_installed.setAlignment(Qt.AlignCenter) col_installed.setToolTip(tooltip) self.setCellWidget(idx, 4, col_installed) def _set_col_type(self, idx: int, app_v: ApplicationView): col_type = QLabel() pixmap = QPixmap(app_v.model.get_default_icon_path()) col_type.setPixmap(pixmap.scaled(16, 16, Qt.KeepAspectRatio, Qt.SmoothTransformation)) col_type.setAlignment(Qt.AlignCenter) col_type.setToolTip('{}: {}'.format(self.window.locale_keys['type'], app_v.model.get_type())) self.setCellWidget(idx, 3, col_type) def _set_col_version(self, idx: int, app_v: ApplicationView): label_version = QLabel(app_v.model.base_data.version if app_v.model.base_data.version else '?') label_version.setAlignment(Qt.AlignCenter) col_version = QWidget() col_version.setLayout(QHBoxLayout()) col_version.layout().addWidget(label_version) if app_v.model.base_data.version: tooltip = self.window.locale_keys['version.installed'] if app_v.model.installed else self.window.locale_keys['version'] else: tooltip = self.window.locale_keys['version.unknown'] if app_v.model.update: label_version.setStyleSheet("color: #32CD32") tooltip = self.window.locale_keys['version.installed_outdated'] if app_v.model.base_data.version and app_v.model.base_data.latest_version and app_v.model.base_data.version < app_v.model.base_data.latest_version: tooltip = '{}. {}: {}'.format(tooltip, self.window.locale_keys['version.latest'], app_v.model.base_data.latest_version) col_version.setToolTip(tooltip) self.setCellWidget(idx, 1, col_version) def _set_col_name(self, idx: int, app_v: ApplicationView): col = QTableWidgetItem() col.setText(app_v.model.base_data.name if app_v.model.base_data.name else '...') col.setFlags(Qt.ItemIsSelectable | Qt.ItemIsEnabled) col.setToolTip(self.window.locale_keys['app.name'].lower()) if self.disk_cache and app_v.model.supports_disk_cache() and os.path.exists(app_v.model.get_disk_icon_path()): with open(app_v.model.get_disk_icon_path(), 'rb') as f: icon_bytes = f.read() pixmap = QPixmap() pixmap.loadFromData(icon_bytes) icon = QIcon(pixmap) self.icon_cache.add_non_existing(app_v.model.base_data.icon_url, {'icon': icon, 'bytes': icon_bytes}) elif not app_v.model.base_data.icon_url: icon = QIcon(app_v.model.get_default_icon_path()) else: icon_data = self.icon_cache.get(app_v.model.base_data.icon_url) icon = icon_data['icon'] if icon_data else QIcon(app_v.model.get_default_icon_path()) col.setIcon(icon) self.setItem(idx, 0, col) def _set_col_description(self, idx: int, app_v: ApplicationView): col = QTableWidgetItem() col.setFlags(Qt.ItemIsSelectable | Qt.ItemIsEnabled) desc = app_v.get_async_attr('description', strip_html=True) if desc: col.setText(desc[0:25] + '...') if app_v.model.status == ApplicationStatus.READY: col.setToolTip(desc) self.setItem(idx, 2, col) def change_headers_policy(self, policy: QHeaderView = QHeaderView.ResizeToContents): header_horizontal = self.horizontalHeader() for i in range(self.columnCount()): header_horizontal.setSectionResizeMode(i, policy)