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import os
import mariadb
from PySide6.QtGui import *
from PySide6.QtWidgets import *
from PySide6.QtCore import *
from PySide6.QtCore import Qt
from split_view_layout import *
from dataclasses import dataclass
@dataclass
class DBCircuit():
id: int = 0
name: str = ""
length: int = 0
laps: int = 0
photo: bytes = b""
class CircuitsModel(QAbstractTableModel):
cursor: mariadb.Cursor
calendar_id: int = 1
_header = ["name", "length", "lap count"]
_data: [DBCircuit] = []
def update(self):
self.beginResetModel()
self.cursor.execute("select `ID`, `name`, `length`, `laps` from `circuit`")
self._data = list()
for result in self.cursor.fetchall():
self._data.append(DBCircuit(*result))
self.endResetModel()
def __init__(self, cursor):
super().__init__()
self.cursor = cursor
self.update()
def rowCount(self, index=0):
return len(self._data)
def columnCount(self, index=0):
return len(self._header)
def headerData(self, section, orientation, role):
if role == Qt.DisplayRole:
if orientation == Qt.Horizontal:
return self._header[section]
else:
return self._data[section].id
def data(self, index, role):
if role == Qt.DisplayRole:
circuit = self._data[index.row()]
return (
circuit.name,
circuit.length,
circuit.laps,
)[index.column()]
class CircuitBrowser(QTableView):
model_table: CircuitsModel
model_proxy: QSortFilterProxyModel
parent_update_fn: callable
selected_circuit_id: int = 1
ignore_update: bool = False
temp_selection_index: int = 0
def update(self, cascade=True):
self.model_table.update()
self.ignore_update = True
self.selectRow(self.temp_selection_index)
self.ignore_update = False
def parent_update(self):
if self.parent_update_fn != None:
self.parent_update_fn()
def set_parent_update(self, fn):
self.parent_update_fn = fn
def on_selection(self):
if self.ignore_update: return
rows = self.selectionModel().selectedRows()
if len(rows) == 0: return
row = rows[0].row()
self.temp_selection_index = row
index = self.model_proxy.mapToSource(self.model_proxy.index(row, 0))
new_circuit_id = self.model_table.headerData(index.row(), Qt.Vertical, Qt.DisplayRole)
if self.selected_circuit_id == new_circuit_id: return
self.selected_circuit_id = new_circuit_id
self.parent_update()
def __init__(self, cursor: mariadb.Cursor, parent=None):
super(CircuitBrowser, self).__init__(parent)
self.cursor = cursor
self.setSelectionBehavior(QAbstractItemView.SelectRows)
self.model_table = CircuitsModel(self.cursor)
self.model_proxy = QSortFilterProxyModel()
self.model_proxy.setSourceModel(self.model_table)
self.setModel(self.model_proxy)
self.setSortingEnabled(True)
self.selectionModel().selectionChanged.connect(self.on_selection)
self.horizontalHeader().setSectionResizeMode(QHeaderView.Stretch)
class CircuitDetailsWidget(QWidget):
parent: QWidget
cursor: mariadb.Cursor
parent_update_fn: callable
selected_circuit_id: int = 1
layout: QVBoxLayout
new_member_picker: QComboBox
label_id: QLabel
label_name: QLabel
label_length: QLabel
label_laps: QLabel
label_map: QLabel
def update(self, cascade=True):
self.cursor.execute("select `ID`, `name`, `length`, `laps`, `photo` from `circuit` where `ID` = ?", (self.selected_circuit_id,))
circuit = DBCircuit(*self.cursor.fetchone())
self.label_id.setText(f"{circuit.id}")
self.label_name.setText(f"{circuit.name}")
self.label_length.setText(f"{circuit.length}m")
self.label_laps.setText(f"{circuit.laps} laps")
pixmap = QPixmap()
pixmap.loadFromData(circuit.photo)
self.label_map.setScaledContents(True)
self.label_map.setPixmap(pixmap)
if cascade == False: return
def parent_update(self):
if self.parent_update_fn != None:
self.parent_update_fn()
def set_circuit_id(self, id):
self.selected_circuit_id = id
self.update(False)
def set_parent_update(self, fn):
self.parent_update_fn = fn
def __init__(self, cursor: mariadb.Cursor, parent=None):
super(CircuitDetailsWidget, self).__init__(parent)
self.parent = parent
self.cursor = cursor
self.layout = QVBoxLayout(self)
self.layout.setAlignment(Qt.AlignmentFlag.AlignTop)
self.layout.addWidget(QLabel("Circuit info"))
self.label_id = QLabel("-")
self.label_name = QLabel("-")
self.label_length = QLabel("-")
self.label_laps = QLabel("-")
self.label_map = QLabel()
form_grid = QFormLayout()
form_grid.addRow(QLabel("ID:"), self.label_id)
form_grid.addRow(QLabel("Name:"), self.label_name)
form_grid.addRow(QLabel("Length:"), self.label_length)
form_grid.addRow(QLabel("Laps:"), self.label_laps)
self.layout.addLayout(form_grid)
self.layout.addWidget(QLabel("Map"))
self.layout.addWidget(self.label_map)
self.setLayout(self.layout)
class TabCircuits(QWidget):
parent: QMainWindow
layout: SplitViewLayout
cursor: mariadb.Cursor
selected_circuit_id: int = 1
circuit_browser: CircuitBrowser
circuit_details: CircuitDetailsWidget
def update(self, cascade=True):
print("update TabCircuits")
if not cascade: return
self.circuit_browser.update(True)
def child_update(self):
self.selected_circuit_id = self.circuit_browser.selected_circuit_id
self.circuit_browser.update(False)
self.circuit_details.set_circuit_id(self.selected_circuit_id)
def __init__(self, cursor, parent=None):
super(TabCircuits, self).__init__(parent)
self.parent = parent
self.layout = SplitViewLayout(self)
self.cursor = cursor
self.circuit_browser = CircuitBrowser(self.cursor, self)
self.circuit_browser.set_parent_update(self.child_update)
self.layout.leftWidget(self.circuit_browser)
self.circuit_details = CircuitDetailsWidget(self.cursor, self)
self.circuit_details.set_parent_update(self.child_update)
self.layout.rightWidget(self.circuit_details)
self.setLayout(self.layout)
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