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bearhub/fpakman/view/qt/apps_table.py
Vinícius Moreira 854ad2a102 supporting snaps
2019-07-23 17:16:44 -03:00

307 lines
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Python
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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()
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 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)
else:
if 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)
menu_row.adjustSize()
menu_row.popup(QCursor.pos())
menu_row.exec_()
def fill_async_data(self):
self.lock_async_data.acquire()
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()
self.lock_async_data.release()
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_was_cached = False
pixmap = QPixmap()
icon_bytes = http_response.readAll()
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]):
self.setEnabled(True)
self.setRowCount(len(app_views) if app_views else 0)
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 = UpdateToggleButton(app_v, self.window, self.window.locale_keys, app_v.model.update) if app_v.model.update else None
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)
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