Files
clever-show/Server/copter_table.py
2020-01-22 16:21:02 +03:00

380 lines
14 KiB
Python

from functools import partial
from copy import deepcopy
from PyQt5 import QtWidgets, QtCore, QtGui
from PyQt5.QtCore import Qt as Qt
from PyQt5.QtCore import pyqtSlot
from PyQt5.QtGui import QCursor
from PyQt5.QtWidgets import QTableView, QMessageBox, QMenu, QAction, QWidgetAction, QListWidget, \
QAbstractItemView, QListWidgetItem, QVBoxLayout, QHBoxLayout, QPushButton, QInputDialog, QLineEdit
from config_editor_models import ConfigDialog
import copter_table_models as table
class CopterTableWidget(QTableView):
def __init__(self, model, config, data_model=table.StatedCopterData):
QTableView.__init__(self)
self.config = config
self.model = model
self._data_model = data_model
self.proxy_model = table.CopterProxyModel()
self.signals = table.SignalManager(self.model)
self.proxy_model.setSourceModel(self.model)
self.proxy_model.setDynamicSortFilter(True)
# Initiate table and table self.model
self.setModel(self.proxy_model)
self.columns = list(table.columns_names.keys()) #[header.strip() for header in self.model.headers] # header keys
self.current_columns = self.columns[:]
header = self.horizontalHeader()
header.setCascadingSectionResizes(False)
header.setStretchLastSection(True)
header.setSectionsMovable(True)
header.sectionMoved.connect(self.moved)
header.setContextMenuPolicy(Qt.CustomContextMenu)
header.customContextMenuRequested.connect(self.showHeaderMenu)
self.setContextMenuPolicy(Qt.CustomContextMenu)
self.customContextMenuRequested.connect(self.open_menu)
# Adjust properties
self.setTextElideMode(QtCore.Qt.ElideMiddle)
self.setWordWrap(True)
self.setSizeAdjustPolicy(QtWidgets.QAbstractScrollArea.AdjustToContents)
self.resizeColumnsToContents()
self.setSelectionBehavior(QtWidgets.QAbstractItemView.SelectRows)
self.doubleClicked.connect(self.on_double_click)
def moved(self, logical_index, old_index, new_index):
name = self.current_columns.pop(old_index)
self.current_columns.insert(new_index, name)
def set_column_order(self, order):
if set(order) != set(self.current_columns):
raise ValueError
for index_to, item in enumerate(order):
index_from = self.current_columns.index(item)
if index_to != index_from:
self.horizontalHeader().moveSection(index_from, index_to)
def load_columns(self, item_dict: dict=None):
presets = self.config.table_presets
if item_dict is None:
item_dict = presets[self.config.table_presets_current]
item_dict.update({key: False for key in presets[HeaderEditWidget.default] if key not in item_dict})
self.set_column_order(list(item_dict.keys()))
for name, show in item_dict.items(): # for index, name in enumerate(self.columns):
self.setColumnHidden(self.columns.index(name), not show) # self.setColumnHidden(index, not item_dict.get(name, False))
# Some fancy wrappers to simplify syntax
def add_client(self, **kwargs):
self.signals.add_client_signal.emit(self._data_model(**kwargs))
def remove_client_data(self, row_data):
self.signals.remove_client_signal.emit(row_data)
def update_data(self, row, col, data, role=table.ModelDataRole):
self.signals.update_data_signal.emit(row, col, data, role)
@pyqtSlot(QtCore.QModelIndex)
def on_double_click(self, index):
col = index.column()
if col == 7:
data = self.proxy_model.data(index, role=table.ModelDataRole)
if data and data != "OK":
self._show_info("Selfcheck info", data)
def _show_info(self, title, data):
dialog = QMessageBox()
dialog.setIcon(QMessageBox.NoIcon)
dialog.setStandardButtons(QMessageBox.Ok)
dialog.setWindowTitle(title)
dialog.setText("\n".join(data[:10]))
dialog.setDetailedText("\n".join(data))
dialog.exec()
def showHeaderMenu(self, event):
menu = QMenu(self)
header_view = HeaderEditWidget(self, self.config, menu_mode=True, parent=menu)
#header_view.setFixedHeight((header_view.geometry().height()-2) * len(header_view.columns))
# box.setSizePolicy(QtWidgets.QSizePolicy.Expanding, QtWidgets.QSizePolicy.Expanding)
action = QWidgetAction(menu)
action.setDefaultWidget(header_view)
menu.addAction(action)
menu.exec_(QCursor.pos())
header_view.save_preset()
@pyqtSlot(QtCore.QPoint)
def open_menu(self, point):
menu = QMenu(self)
index = self.indexAt(point)
item = self.model.get_row_data(index)
edit_config = QAction("Edit config")
edit_config.triggered.connect(partial(self.edit_copter_config, item))
menu.addAction(edit_config)
if item is None:
edit_config.setDisabled(True)
menu.exec_(QCursor.pos())
@pyqtSlot()
def edit_copter_config(self, copter):
dialog = ConfigDialog()
copter.client.get_response("config", dialog.call_copter_dialog)
# def _selfcheck_shortener(self, data): # TODO!!!
# shortened = []
# for line in data:
# if len(line) > 89:
# pass
# return shortened
class HeaderListWidget(QListWidget):
ColumnKeyRole = 998
def __init__(self, parent=None, default_items=None):
super().__init__(parent)
if default_items is not None:
self.populate_items(default_items)
self.setDragDropMode(QAbstractItemView.InternalMove)
self.setDefaultDropAction(Qt.MoveAction)
def populate_items(self, item_dict: dict):
self.clear()
for name, visible in item_dict.items():
flags = Qt.ItemIsUserCheckable | Qt.ItemIsSelectable | Qt.ItemIsDragEnabled | Qt.ItemIsEnabled
state = Qt.Checked if visible else Qt.Unchecked
item = QListWidgetItem(table.columns_names.get(name, "").strip() or name, self)
item.setFlags(flags)
item.setCheckState(state)
item.setData(HeaderListWidget.ColumnKeyRole, name)
@property
def item_dict(self):
return {self.item(i).data(HeaderListWidget.ColumnKeyRole): bool(self.item(i).checkState())
for i in range(self.count())}
class ActiveHeaderListWidget(HeaderListWidget):
def __init__(self, source: CopterTableWidget, parent=None):
super().__init__(parent=parent)
self.source_widget = source
self.current_columns = source.current_columns
self.columns = source.columns
self._populate_from_widget()
self.itemChanged.connect(self.on_itemChanged)
def _populate_from_widget(self):
item_dict = {}
for column, name in enumerate(self.current_columns):
visible = not self.source_widget.isColumnHidden(column)
item_dict[name] = visible
self.populate_items(item_dict)
@pyqtSlot(QListWidgetItem)
def on_itemChanged(self, item):
key = item.data(HeaderListWidget.ColumnKeyRole)
if key is None:
return
self.source_widget.setColumnHidden(self.columns.index(key),
not bool(item.checkState()))
def dropEvent(self, event: QtGui.QDropEvent):
super().dropEvent(event)
column_order = [self.item(i).data(HeaderListWidget.ColumnKeyRole) for i in range(self.count())]
self.source_widget.set_column_order(column_order)
class HeaderEditWidget(QtWidgets.QWidget):
add_new_text = "< add new >"
default = "DEFAULT"
def __init__(self, source, config, menu_mode=False, *args, **kwargs):
super().__init__(*args, **kwargs)
# self.auto_apply = auto_apply
self.source = source # source = copter table
self.config = config
self.menu_mode = menu_mode
self.preset_widget = QtWidgets.QComboBox()
self.header_widget = ActiveHeaderListWidget(self.source) \
if self.menu_mode else HeaderListWidget()
self.previous = self.config.table_presets_current
self._dialog = None
self.setupUi()
def setupUi(self):
self.header_widget.setSizePolicy(QtWidgets.QSizePolicy.Minimum, QtWidgets.QSizePolicy.Expanding)
self.update_preset_list()
self.preset_widget.currentTextChanged.connect(self.on_preset_changed)
self.on_preset_changed(self.previous) # to init
vbox = QVBoxLayout()
vbox.addWidget(self.header_widget)
vbox.addWidget(self.preset_widget)
hbox = QHBoxLayout()
if not self.menu_mode:
add_button = QPushButton("Add")
add_button.clicked.connect(self.add_preset)
remove_button = QPushButton("Remove")
remove_button.setToolTip("Permanently remove preset from config")
remove_button.clicked.connect(self.remove_preset)
save_button = QPushButton("Save")
save_button.clicked.connect(self.save_preset)
apply_button = QPushButton("Apply")
apply_button.clicked.connect(self.apply_preset)
apply_button.setDefault(True)
apply_button.setFocus()
hbox.addWidget(add_button)
hbox.addWidget(remove_button)
hbox.addStretch()
hbox.addWidget(save_button)
hbox.addWidget(apply_button)
else:
self._dialog = HeaderEditDialog(self.source, self.config)
dialog_button = QPushButton("Manage presets")
dialog_button.clicked.connect(self._dialog.show)
hbox.addWidget(dialog_button)
vbox.addLayout(hbox)
self.setLayout(vbox)
def update_preset_list(self):
self.preset_widget.clear()
for name, preset in self.config.table_presets.items():
if isinstance(preset, dict): # looking only for preset sections
self.preset_widget.addItem(name)
self.preset_widget.addItem(self.add_new_text)
self.preset_widget.setCurrentText(self.previous)
def on_preset_changed(self, index):
if not index:
return
if index == self.add_new_text:
self.add_preset()
return
self.previous = index
presets = self.config.table_presets
items = {key: value for key, value in presets[index].items()}
items.update({key: False for key in presets[self.default] if key not in items})
if self.menu_mode:
self.source.set_column_order(list(items.keys()))
self.config.table_presets_current = index
self.header_widget.populate_items(items)
def add_preset(self):
name, ok = QInputDialog.getText(None, "Enter new preset name", "Name:",
QLineEdit.Normal, "")
if not ok or not name:
self.preset_widget.setCurrentText(self.previous)
return
if name in self.config.table_presets or name == self.default or name == self.add_new_text:
QMessageBox.warning(None, "Preset already exists!", "Preset already exists!")
self.preset_widget.setCurrentText(self.previous)
return
self.config.table_presets[name] = deepcopy(dict(self.config.table_presets[self.default]))
self.config.write()
self.update_preset_list()
self.preset_widget.setCurrentText(name)
def remove_preset(self):
if self.preset_widget.currentText() == self.default:
QMessageBox.warning(None, "Can't delete default preset!", "Can't delete default preset!")
return
reply = QMessageBox.question(None, "Action can't be undone", "Remove anyway?",
QMessageBox.Yes | QMessageBox.No, QMessageBox.No)
if reply != QMessageBox.Yes:
return
self.config.table_presets.pop(self.preset_widget.currentText())
self.config.write()
self.previous = self.default
self.update_preset_list()
def save_preset(self):
current = self.preset_widget.currentText()
presets = self.config.table_presets
header_dict = self.header_widget.item_dict
for key in presets[self.default]:
if key not in presets[current] and not header_dict[key]:
header_dict.pop(key)
presets[current] = header_dict
self.config.write()
def apply_preset(self):
self.config.table_presets_current = self.preset_widget.currentText()
self.save_preset()
self.source.load_columns()
class HeaderEditDialog(QtWidgets.QDialog):
def __init__(self, source, config, parent=None):
super(HeaderEditDialog, self).__init__(parent=None)
self.ui = HeaderEditWidget(source, config, menu_mode=False)
self.setWindowTitle("Column preset editor")
layout = QVBoxLayout()
layout.addWidget(self.ui)
self.setLayout(layout)
if __name__ == '__main__':
import sys
def except_hook(cls, exception, traceback):
sys.__excepthook__(cls, exception, traceback)
sys.excepthook = except_hook # for debugging (exceptions traceback)
app = QtWidgets.QApplication(sys.argv)
import copter_table_models
model = copter_table_models.CopterDataModel()
# for i in range(10):
# model.add_client(copter_table_models.StatedCopterData())
import config
c = config.ConfigManager()
c.load_config_and_spec("config\server.ini")
#print(c.config)
#print(c._name_dict)
w1 = CopterTableWidget(model, c)
w = HeaderEditWidget(w1, c)
# print(*w1.current_columns, sep='\n')
w.show()
app.exec()