artiq/artiq/dashboard/datasets.py

182 lines
6.3 KiB
Python

import asyncio
import logging
import numpy as np
from PyQt5 import QtCore, QtWidgets
from artiq.tools import short_format
from artiq.gui.tools import LayoutWidget, QRecursiveFilterProxyModel
from artiq.gui.models import DictSyncTreeSepModel
from artiq.gui.scientific_spinbox import ScientificSpinBox
logger = logging.getLogger(__name__)
class Editor(QtWidgets.QDialog):
def __init__(self, parent, dataset_ctl, key, value):
QtWidgets.QDialog.__init__(self, parent=parent)
self.dataset_ctl = dataset_ctl
self.key = key
self.initial_type = type(value)
self.setWindowTitle("Edit dataset")
grid = QtWidgets.QGridLayout()
self.setLayout(grid)
grid.addWidget(QtWidgets.QLabel("Name:"), 0, 0)
grid.addWidget(QtWidgets.QLabel(key), 0, 1)
grid.addWidget(QtWidgets.QLabel("Value:"), 1, 0)
grid.addWidget(self.get_edit_widget(value), 1, 1)
buttons = QtWidgets.QDialogButtonBox(
QtWidgets.QDialogButtonBox.Ok | QtWidgets.QDialogButtonBox.Cancel)
grid.setRowStretch(2, 1)
grid.addWidget(buttons, 3, 0, 1, 2)
buttons.accepted.connect(self.accept)
buttons.rejected.connect(self.reject)
def accept(self):
value = self.initial_type(self.get_edit_widget_value())
asyncio.ensure_future(self.dataset_ctl.set(self.key, value))
QtWidgets.QDialog.accept(self)
def get_edit_widget(self, initial_value):
raise NotImplementedError
def get_edit_widget_value(self):
raise NotImplementedError
class NumberEditor(Editor):
def get_edit_widget(self, initial_value):
self.edit_widget = ScientificSpinBox()
self.edit_widget.setDecimals(13)
self.edit_widget.setPrecision()
self.edit_widget.setRelativeStep()
self.edit_widget.setValue(float(initial_value))
return self.edit_widget
def get_edit_widget_value(self):
return self.edit_widget.value()
class BoolEditor(Editor):
def get_edit_widget(self, initial_value):
self.edit_widget = QtWidgets.QCheckBox()
self.edit_widget.setChecked(bool(initial_value))
return self.edit_widget
def get_edit_widget_value(self):
return self.edit_widget.isChecked()
class StringEditor(Editor):
def get_edit_widget(self, initial_value):
self.edit_widget = QtWidgets.QLineEdit()
self.edit_widget.setText(initial_value)
return self.edit_widget
def get_edit_widget_value(self):
return self.edit_widget.text()
class Model(DictSyncTreeSepModel):
def __init__(self, init):
DictSyncTreeSepModel.__init__(self, ".",
["Dataset", "Persistent", "Value"],
init)
def convert(self, k, v, column):
if column == 1:
return "Y" if v[0] else "N"
elif column == 2:
return short_format(v[1])
else:
raise ValueError
class DatasetsDock(QtWidgets.QDockWidget):
def __init__(self, datasets_sub, dataset_ctl):
QtWidgets.QDockWidget.__init__(self, "Datasets")
self.setObjectName("Datasets")
self.setFeatures(QtWidgets.QDockWidget.DockWidgetMovable |
QtWidgets.QDockWidget.DockWidgetFloatable)
self.dataset_ctl = dataset_ctl
grid = LayoutWidget()
self.setWidget(grid)
self.search = QtWidgets.QLineEdit()
self.search.setPlaceholderText("search...")
self.search.editingFinished.connect(self._search_datasets)
grid.addWidget(self.search, 0, 0)
self.table = QtWidgets.QTreeView()
self.table.setSelectionBehavior(QtWidgets.QAbstractItemView.SelectRows)
self.table.setSelectionMode(
QtWidgets.QAbstractItemView.SingleSelection)
grid.addWidget(self.table, 1, 0)
self.table.setContextMenuPolicy(QtCore.Qt.ActionsContextMenu)
edit_action = QtWidgets.QAction("Edit dataset", self.table)
edit_action.triggered.connect(self.edit_clicked)
edit_action.setShortcut("RETURN")
edit_action.setShortcutContext(QtCore.Qt.WidgetShortcut)
self.table.doubleClicked.connect(self.edit_clicked)
self.table.addAction(edit_action)
delete_action = QtWidgets.QAction("Delete dataset", self.table)
delete_action.triggered.connect(self.delete_clicked)
delete_action.setShortcut("DELETE")
delete_action.setShortcutContext(QtCore.Qt.WidgetShortcut)
self.table.addAction(delete_action)
self.table_model = Model(dict())
datasets_sub.add_setmodel_callback(self.set_model)
def _search_datasets(self):
if hasattr(self, "table_model_filter"):
self.table_model_filter.setFilterFixedString(
self.search.displayText())
def set_model(self, model):
self.table_model = model
self.table_model_filter = QRecursiveFilterProxyModel()
self.table_model_filter.setSourceModel(self.table_model)
self.table.setModel(self.table_model_filter)
def edit_clicked(self):
idx = self.table.selectedIndexes()
if idx:
idx = self.table_model_filter.mapToSource(idx[0])
key = self.table_model.index_to_key(idx)
if key is not None:
persist, value = self.table_model.backing_store[key]
t = type(value)
if np.issubdtype(t, np.number):
dialog_cls = NumberEditor
elif np.issubdtype(t, np.bool_):
dialog_cls = BoolEditor
elif np.issubdtype(t, np.unicode_):
dialog_cls = StringEditor
else:
logger.error("Cannot edit dataset %s: "
"type %s is not supported", key, t)
return
dialog_cls(self, self.dataset_ctl, key, value).open()
def delete_clicked(self):
idx = self.table.selectedIndexes()
if idx:
idx = self.table_model_filter.mapToSource(idx[0])
key = self.table_model.index_to_key(idx)
if key is not None:
asyncio.ensure_future(self.dataset_ctl.delete(key))
def save_state(self):
return bytes(self.table.header().saveState())
def restore_state(self, state):
self.table.header().restoreState(QtCore.QByteArray(state))