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Diffstat (limited to 'python/pyqt/examples3/SQL/sqlsubclass5.py')
-rwxr-xr-x | python/pyqt/examples3/SQL/sqlsubclass5.py | 151 |
1 files changed, 0 insertions, 151 deletions
diff --git a/python/pyqt/examples3/SQL/sqlsubclass5.py b/python/pyqt/examples3/SQL/sqlsubclass5.py deleted file mode 100755 index a130e78a..00000000 --- a/python/pyqt/examples3/SQL/sqlsubclass5.py +++ /dev/null @@ -1,151 +0,0 @@ -#!/usr/bin/env python - -#**************************************************************************** -#** $Id$ -#** -#** Copyright (C) 1992-1998 Troll Tech AS. All rights reserved. -#** -#** This file is part of an example program for PyQt. This example -#** program may be used, distributed and modified without limitation. -#** -#*****************************************************************************/ - -import sys -from qt import * -from qtsql import * - -from dbconnect import createConnection - -TRUE = 1 -FALSE = 0 - -class CustomTable(QDataTable): - def __init__(self, cursor, autoPopulate = FALSE, parent = None, name = None): - QDataTable.__init__(self, cursor, autoPopulate, parent, name) - - def paintField(self, p, field, cr, b): - if not field: - return - fn = str(field.name()) - if fn == "pricesid": - query = QSqlQuery("SELECT name FROM prices WHERE id=%s" % - field.value().toString()) - value = "" - if query.next(): - value = query.value(0).toString() - p.drawText(2, 2, cr.width()-4, cr.height()-4, - self.fieldAlignment(field), value) - elif fn == "quantity": - p.drawText(2, 2, cr.width()-6, cr.height()-4, - Qt.AlignRight|Qt.AlignVCenter, field.value().toString()) - elif fn in ("price", "cost"): - v = field.value().toDouble() - if v < 0: - p.setPen(QColor("red")) - value = QString(u"%.2f \u20ac" % v) - p.drawText(2, 2, cr.width()-6, cr.height()-4, - Qt.AlignRight|Qt.AlignVCenter, value) - elif fn == "paiddate": - if field.value().toDate().isNull(): - v = QString("not yet") - p.setPen(QColor("red")) - else: - v = field.value().toDate().toString(Qt.LocalDate) - p.drawText(2, 2, cr.width()-4, cr.height()-4, - Qt.AlignHCenter|Qt.AlignVCenter, v) - else: - QDataTable.paintField(self, p, field, cr, b) - - -class InvoiceItemCursor(QSqlCursor): - def __init__(self): - QSqlCursor.__init__(self, "invoiceitem") - - productPrice = QSqlFieldInfo("price", QVariant.Double) - self.append(productPrice) - self.setCalculated(productPrice.name(), TRUE) - - productCost = QSqlFieldInfo("cost", QVariant.Double) - self.append(productCost) - self.setCalculated(productCost.name(), TRUE) - - def calculateField(self, name): - fn = str(name) - if fn == "productname": - query = QSqlQuery("SELECT name FROM prices WHERE id=%d;" % - (self.field("pricesid").value().toInt())) - if query.next(): - return query.value(0) - elif fn == "price": - query = QSqlQuery("SELECT price FROM prices WHERE id=%d;" % - (self.field("pricesid").value().toInt())) - if query.next(): - return query.value(0) - elif fn == "cost": - query = QSqlQuery("SELECT price FROM prices WHERE id=%d;" % - (self.field("pricesid").value().toInt())) - if query.next(): - return QVariant(query.value(0).toDouble() * - self.value("quantity").toDouble()) - return QVariant(QString.null) - - def primeInsert(self): - buffer = self.editBuffer() - buffer.setValue("id", QVariant(0)) - buffer.setValue("paiddate", QVariant(QDate.currentDate())) - buffer.setValue("quantity", QVariant(1)) - return buffer - - -class ProductPicker(QComboBox): - def __init__(self, parent = None, name = None): - QComboBox.__init__(self, parent, name) - cur = QSqlCursor("prices") - cur.select(cur.index("id")) - while cur.next(): - self.insertItem(cur.value("name").toString(), cur.value("id").toInt()) - - -class CustomSqlEditorFactory(QSqlEditorFactory): - def __init__(self): - QSqlEditorFactory.__init__(self) - - def createEditor(self, parent, field): - try: - if str(field.name()) == "pricesid": - return ProductPicker(parent) - except AttributeError: - pass - return QSqlEditorFactory.createEditor(self, parent, field) - -class Table(CustomTable): - def __init__(self): - self.invoiceItemCursor = InvoiceItemCursor() - QDataTable.__init__(self, self.invoiceItemCursor) - self.propMap = QSqlPropertyMap() - self.editorFactory = CustomSqlEditorFactory() - self.propMap.insert("ProductPicker", "pricesid") - self.installPropertyMap(self.propMap) - self.installEditorFactory(self.editorFactory) - - for cn, ch in (("pricesid", "Product"), - ("quantity", "Quantity"), - ("price", "Price" ), - ("cost", "Cost"), - ("paiddate", "Paid")): - self.addColumn(cn, ch) - self.setColumnWidth(0 , 150) - self.setColumnWidth(1, 70) - self.resize(600, 250) - self.refresh() - - -if __name__=='__main__': - app = QApplication(sys.argv) - if createConnection(): - t = Table() - app.setMainWidget(t) - t.show() - app.exec_loop() - - |