437 lines
15 KiB
Python
437 lines
15 KiB
Python
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"""Общие элементы интерфейса.
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Здесь всё, что иначе копировалось бы по экранам: поля денег и количеств,
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настроенные таблицы и редактор строк документа.
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"""
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from __future__ import annotations
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from datetime import date
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from decimal import Decimal
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from PySide6.QtCore import QDate, Qt, Signal
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from PySide6.QtGui import QColor, QFont
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from PySide6.QtWidgets import (
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QComboBox,
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QCompleter,
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QDateEdit,
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QDoubleSpinBox,
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QFrame,
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QHBoxLayout,
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QHeaderView,
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QLabel,
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QPushButton,
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QSizePolicy,
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QTableWidget,
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QTableWidgetItem,
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QVBoxLayout,
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QWidget,
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)
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from .. import money as m
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from . import theme
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MAX_MONEY = 99_999_999.0
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# --- поля ввода -----------------------------------------------------------
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class MoneySpin(QDoubleSpinBox):
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def __init__(self, currency: str = "₽", parent=None):
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super().__init__(parent)
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self.setDecimals(2)
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self.setRange(0, MAX_MONEY)
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self.setGroupSeparatorShown(True)
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self.setSuffix(f" {currency}" if currency else "")
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self.setAlignment(Qt.AlignRight | Qt.AlignVCenter)
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def value_decimal(self) -> Decimal:
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return m.money(self.value())
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def set_decimal(self, value) -> None:
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self.setValue(float(m.money(value)))
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class QtySpin(QDoubleSpinBox):
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def __init__(self, parent=None):
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super().__init__(parent)
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self.setDecimals(3)
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self.setRange(0, 1_000_000)
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self.setAlignment(Qt.AlignRight | Qt.AlignVCenter)
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# Дробные количества нужны для веса, но булки штучные — прячем нули.
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self.setStepType(QDoubleSpinBox.DefaultStepType)
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def textFromValue(self, value: float) -> str:
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return m.fmt_qty(value)
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def valueFromText(self, text: str) -> float:
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return float(m.qty(text))
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def value_decimal(self) -> Decimal:
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return m.qty(self.value())
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def set_decimal(self, value) -> None:
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self.setValue(float(m.qty(value)))
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class DateInput(QDateEdit):
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def __init__(self, value: date | None = None, parent=None):
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super().__init__(parent)
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self.setCalendarPopup(True)
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self.setDisplayFormat("dd.MM.yyyy")
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self.set_date(value or date.today())
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def set_date(self, value: date) -> None:
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self.setDate(QDate(value.year, value.month, value.day))
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def get_date(self) -> date:
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qd = self.date()
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return date(qd.year(), qd.month(), qd.day())
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class ProductCombo(QComboBox):
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"""Выпадающий список товаров с поиском по набранному тексту."""
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def __init__(self, products, parent=None):
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super().__init__(parent)
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self.setEditable(True)
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self.setInsertPolicy(QComboBox.NoInsert)
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# Поиск по подстроке, а не только по началу: «мак» должен находить
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# «Булка с маком».
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completer = self.completer()
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if completer is not None:
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completer.setFilterMode(Qt.MatchContains)
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completer.setCompletionMode(QCompleter.PopupCompletion)
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for product in products:
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self.addItem(product.name, product.id)
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def current_product_id(self) -> str | None:
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return self.currentData()
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def select_product(self, product_id: str) -> None:
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index = self.findData(product_id)
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if index >= 0:
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self.setCurrentIndex(index)
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# --- мелкие сборки --------------------------------------------------------
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def label(text: str, role: str = "", color: str = "") -> QLabel:
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widget = QLabel(text)
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if role:
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widget.setProperty("role", role)
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if color:
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widget.setStyleSheet(f"color: {color};")
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return widget
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def heading(text: str) -> QLabel:
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return label(text, "h1")
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def card() -> QFrame:
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frame = QFrame()
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frame.setProperty("role", "card")
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return frame
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def button(text: str, role: str = "", on_click=None) -> QPushButton:
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widget = QPushButton(text)
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if role:
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widget.setProperty("role", role)
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if on_click is not None:
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widget.clicked.connect(on_click)
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return widget
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def row(*widgets, stretch_at: int | None = None) -> QWidget:
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holder = QWidget()
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layout = QHBoxLayout(holder)
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layout.setContentsMargins(0, 0, 0, 0)
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layout.setSpacing(8)
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for index, widget in enumerate(widgets):
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if widget is None:
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layout.addStretch(1)
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continue
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layout.addWidget(widget)
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if index == stretch_at:
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layout.setStretch(index, 1)
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return holder
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def metric_card(title: str, value: str, hint: str = "", color: str = "") -> QFrame:
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"""Крупная цифра для сводки."""
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frame = card()
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layout = QVBoxLayout(frame)
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layout.setContentsMargins(14, 12, 14, 12)
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layout.setSpacing(2)
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layout.addWidget(label(title, "dim"))
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layout.addWidget(label(value, "metric", color))
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if hint:
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layout.addWidget(label(hint, "dim"))
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frame.setSizePolicy(QSizePolicy.Preferred, QSizePolicy.Fixed)
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return frame
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def warning_banner(messages: list[str]) -> QFrame:
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frame = QFrame()
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frame.setProperty("role", "banner")
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layout = QVBoxLayout(frame)
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layout.setContentsMargins(12, 10, 12, 10)
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layout.setSpacing(3)
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for text in messages:
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item = QLabel(f"⚠ {text}")
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item.setWordWrap(True)
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layout.addWidget(item)
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return frame
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# --- таблицы --------------------------------------------------------------
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def table(headers: list[str], stretch_column: int = 0) -> QTableWidget:
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widget = QTableWidget(0, len(headers))
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widget.setHorizontalHeaderLabels(headers)
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widget.verticalHeader().setVisible(False)
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widget.setAlternatingRowColors(True)
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widget.setSelectionBehavior(QTableWidget.SelectRows)
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widget.setSelectionMode(QTableWidget.SingleSelection)
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widget.setEditTriggers(QTableWidget.NoEditTriggers)
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widget.setSortingEnabled(True)
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widget.setWordWrap(False)
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header = widget.horizontalHeader()
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header.setSectionResizeMode(QHeaderView.ResizeToContents)
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header.setSectionResizeMode(stretch_column, QHeaderView.Stretch)
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header.setHighlightSections(False)
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return widget
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def text_item(text: str, color: str = "", bold: bool = False) -> QTableWidgetItem:
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item = QTableWidgetItem(text)
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if color:
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item.setForeground(QColor(color))
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if bold:
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font = item.font()
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font.setBold(True)
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item.setFont(font)
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return item
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def num_item(text: str, value, color: str = "", bold: bool = False) -> QTableWidgetItem:
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"""Ячейка с числом.
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Отображаемый текст отформатирован, а сортировка идёт по настоящему
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значению — иначе «1 200 ₽» сортировалось бы как строка и оказалось бы
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меньше «900 ₽».
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"""
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item = text_item(text, color, bold)
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item.setData(Qt.UserRole + 1, float(value))
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item.setTextAlignment(Qt.AlignRight | Qt.AlignVCenter)
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return item
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class SortableItem(QTableWidgetItem):
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def __lt__(self, other):
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mine = self.data(Qt.UserRole + 1)
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theirs = other.data(Qt.UserRole + 1)
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if mine is not None and theirs is not None:
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return mine < theirs
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return super().__lt__(other)
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def sortable_num_item(text: str, value, color: str = "", bold: bool = False) -> SortableItem:
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item = SortableItem(text)
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if color:
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item.setForeground(QColor(color))
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if bold:
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font = item.font()
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font.setBold(True)
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item.setFont(font)
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item.setData(Qt.UserRole + 1, float(value))
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item.setTextAlignment(Qt.AlignRight | Qt.AlignVCenter)
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return item
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def fill(widget: QTableWidget, rows: list[list[QTableWidgetItem]], keys: list = None) -> None:
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"""Заполнить таблицу, сохранив идентификатор строки в UserRole нулевой ячейки."""
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was_sorting = widget.isSortingEnabled()
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widget.setSortingEnabled(False)
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widget.setRowCount(len(rows))
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for r, cells in enumerate(rows):
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for c, cell in enumerate(cells):
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widget.setItem(r, c, cell)
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if keys is not None and cells:
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cells[0].setData(Qt.UserRole, keys[r])
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widget.setSortingEnabled(was_sorting)
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def selected_key(widget: QTableWidget):
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row_index = widget.currentRow()
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if row_index < 0:
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return None
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item = widget.item(row_index, 0)
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return item.data(Qt.UserRole) if item else None
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# --- редактор строк документа ---------------------------------------------
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class LinesEditor(QWidget):
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"""Таблица строк закупки или продажи.
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Один виджет на оба случая: отличается только подпись колонки цены и то,
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откуда берётся подстановка — себестоимость или цена продажи.
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"""
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changed = Signal()
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COL_PRODUCT, COL_QTY, COL_PRICE, COL_TOTAL = range(4)
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def __init__(self, products, price_title: str, price_source, currency: str = "₽", parent=None):
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super().__init__(parent)
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self.products = list(products)
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self.price_source = price_source
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self.currency = currency
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layout = QVBoxLayout(self)
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layout.setContentsMargins(0, 0, 0, 0)
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layout.setSpacing(6)
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self.table = QTableWidget(0, 4)
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self.table.setHorizontalHeaderLabels(["Товар", "Кол-во", price_title, "Сумма"])
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self.table.verticalHeader().setVisible(False)
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header = self.table.horizontalHeader()
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header.setSectionResizeMode(self.COL_PRODUCT, QHeaderView.Stretch)
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for column in (self.COL_QTY, self.COL_PRICE, self.COL_TOTAL):
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header.setSectionResizeMode(column, QHeaderView.ResizeToContents)
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self.table.setMinimumHeight(180)
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layout.addWidget(self.table)
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self.total_label = label("", "h2")
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layout.addWidget(
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row(
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button("+ Строка", on_click=self.add_line),
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button("Удалить строку", role="danger", on_click=self.remove_current),
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None,
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self.total_label,
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)
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)
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# --- содержимое ---
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def add_line(self, product_id: str | None = None, quantity=1, price=None) -> None:
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if not self.products:
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return
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r = self.table.rowCount()
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self.table.insertRow(r)
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combo = ProductCombo(self.products)
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if product_id:
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combo.select_product(product_id)
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combo.currentIndexChanged.connect(lambda _, rr=r: self._on_product_changed(rr))
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self.table.setCellWidget(r, self.COL_PRODUCT, combo)
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qty_spin = QtySpin()
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qty_spin.set_decimal(quantity)
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qty_spin.valueChanged.connect(self._recalc)
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self.table.setCellWidget(r, self.COL_QTY, qty_spin)
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price_spin = MoneySpin(self.currency)
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price_spin.set_decimal(
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price if price is not None else self._suggested_price(combo.current_product_id())
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)
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price_spin.valueChanged.connect(self._recalc)
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self.table.setCellWidget(r, self.COL_PRICE, price_spin)
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self.table.setItem(r, self.COL_TOTAL, text_item(""))
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self._recalc()
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|||
|
|
|
|||
|
|
def remove_current(self) -> None:
|
|||
|
|
r = self.table.currentRow()
|
|||
|
|
if r >= 0:
|
|||
|
|
self.table.removeRow(r)
|
|||
|
|
self._recalc()
|
|||
|
|
|
|||
|
|
def set_lines(self, lines: list, value_attr: str) -> None:
|
|||
|
|
self.table.setRowCount(0)
|
|||
|
|
for line in lines:
|
|||
|
|
self.add_line(line.product_id, line.qty, getattr(line, value_attr))
|
|||
|
|
|
|||
|
|
def lines(self, value_key: str) -> list[dict]:
|
|||
|
|
result = []
|
|||
|
|
for r in range(self.table.rowCount()):
|
|||
|
|
combo = self.table.cellWidget(r, self.COL_PRODUCT)
|
|||
|
|
product_id = combo.current_product_id() if combo else None
|
|||
|
|
if not product_id:
|
|||
|
|
continue
|
|||
|
|
result.append(
|
|||
|
|
{
|
|||
|
|
"product_id": product_id,
|
|||
|
|
"qty": self.table.cellWidget(r, self.COL_QTY).value_decimal(),
|
|||
|
|
value_key: self.table.cellWidget(r, self.COL_PRICE).value_decimal(),
|
|||
|
|
}
|
|||
|
|
)
|
|||
|
|
return result
|
|||
|
|
|
|||
|
|
def total(self) -> Decimal:
|
|||
|
|
total = m.ZERO
|
|||
|
|
for r in range(self.table.rowCount()):
|
|||
|
|
qty_widget = self.table.cellWidget(r, self.COL_QTY)
|
|||
|
|
price_widget = self.table.cellWidget(r, self.COL_PRICE)
|
|||
|
|
if qty_widget and price_widget:
|
|||
|
|
total += qty_widget.value_decimal() * price_widget.value_decimal()
|
|||
|
|
return m.money(total)
|
|||
|
|
|
|||
|
|
def refresh_prices(self) -> None:
|
|||
|
|
"""Пересобрать подстановку цен — например, после смены типа продажи."""
|
|||
|
|
for r in range(self.table.rowCount()):
|
|||
|
|
combo = self.table.cellWidget(r, self.COL_PRODUCT)
|
|||
|
|
price_widget = self.table.cellWidget(r, self.COL_PRICE)
|
|||
|
|
if combo and price_widget:
|
|||
|
|
price_widget.set_decimal(self._suggested_price(combo.current_product_id()))
|
|||
|
|
self._recalc()
|
|||
|
|
|
|||
|
|
# --- внутреннее ---
|
|||
|
|
|
|||
|
|
def _suggested_price(self, product_id: str | None) -> Decimal:
|
|||
|
|
product = next((p for p in self.products if p.id == product_id), None)
|
|||
|
|
return self.price_source(product) if product else m.ZERO
|
|||
|
|
|
|||
|
|
def _on_product_changed(self, r: int) -> None:
|
|||
|
|
combo = self.table.cellWidget(r, self.COL_PRODUCT)
|
|||
|
|
price_widget = self.table.cellWidget(r, self.COL_PRICE)
|
|||
|
|
if combo and price_widget:
|
|||
|
|
price_widget.set_decimal(self._suggested_price(combo.current_product_id()))
|
|||
|
|
self._recalc()
|
|||
|
|
|
|||
|
|
def _recalc(self) -> None:
|
|||
|
|
for r in range(self.table.rowCount()):
|
|||
|
|
qty_widget = self.table.cellWidget(r, self.COL_QTY)
|
|||
|
|
price_widget = self.table.cellWidget(r, self.COL_PRICE)
|
|||
|
|
if not qty_widget or not price_widget:
|
|||
|
|
continue
|
|||
|
|
total = m.money(qty_widget.value_decimal() * price_widget.value_decimal())
|
|||
|
|
item = self.table.item(r, self.COL_TOTAL)
|
|||
|
|
if item is None:
|
|||
|
|
item = text_item("")
|
|||
|
|
self.table.setItem(r, self.COL_TOTAL, item)
|
|||
|
|
item.setText(m.fmt_money(total, self.currency))
|
|||
|
|
item.setTextAlignment(Qt.AlignRight | Qt.AlignVCenter)
|
|||
|
|
|
|||
|
|
self.total_label.setText(f"Итого: {m.fmt_money(self.total(), self.currency)}")
|
|||
|
|
self.changed.emit()
|
|||
|
|
|
|||
|
|
|
|||
|
|
def progress_color(status: str) -> str:
|
|||
|
|
return theme.STATUS_COLORS.get(status, theme.ACCENT)
|
|||
|
|
|
|||
|
|
|
|||
|
|
def monospace(widget) -> None:
|
|||
|
|
font = QFont("Consolas")
|
|||
|
|
font.setStyleHint(QFont.Monospace)
|
|||
|
|
widget.setFont(font)
|