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pytqt/examples3/SQL/sqltable4.py

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3.9 KiB

#!/usr/bin/env python
#****************************************************************************
#** $Id: sqltable4.py,v 1.3 2002/07/06 13:35:41 phil Exp $
#**
#** Copyright (C) 1992-1998 Troll Tech AS. All rights reserved.
#**
#** This file is part of an example program for PyTQt. This example
#** program may be used, distributed and modified without limitation.
#**
#*****************************************************************************/
import sys
from python_tqt.qt import *
from python_tqt.qtsql import *
from dbconnect import createConnection
TRUE = 1
FALSE = 0
class CustomTable(TQDataTable):
def __init__(self, cursor, autoPopulate = FALSE, parent = None, name = None):
TQDataTable.__init__(self, cursor, autoPopulate, parent, name)
def paintField(self, p, field, cr, b):
if not field:
return
fn = str(field.name())
if fn in ("salary", "monsalary"):
v = field.value().toDouble()
if v < 0:
p.setPen(TQColor("red"))
value = TQString(u"%.2f \u20ac" % v)
#print unicode(value).encode("iso-8859-15")
p.drawText(2, 2, cr.width()-6, cr.height()-4,
TQt.AlignRight|TQt.AlignVCenter, value)
elif fn == "statusid":
query = TQSqlQuery("SELECT name FROM status 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)
else:
TQDataTable.paintField(self, p, field, cr, b)
class StatusPicker(TQComboBox):
def __init__(self, parent = None, name = None):
TQComboBox.__init__(self, parent, name)
cur = TQSqlCursor("status")
cur.select(cur.index("id"))
while cur.next():
self.insertItem(cur.value("name").toString(), cur.value("id").toInt())
class CustomSqlEditorFactory(TQSqlEditorFactory):
def __init__(self):
TQSqlEditorFactory.__init__(self)
def createEditor(self, parent, field):
try:
if str(field.name()) == "statusid":
return StatusPicker(parent)
except AttributeError:
pass
return TQSqlEditorFactory.createEditor(self, parent, field)
class StaffCursor(TQSqlCursor):
def __init__(self):
TQSqlCursor.__init__(self, "staff")
monSalary = TQSqlFieldInfo("monsalary", TQVariant.Double)
self.append(monSalary)
self.setCalculated(monSalary.name(), TRUE)
def calculateField(self, name):
if str(name) == "monsalary":
return TQVariant(self.value("salary").toDouble() / 12)
return TQVariant(TQString.null)
class Table(CustomTable):
def __init__(self):
#self.staffCursor = TQSqlCursor("staff")
self.staffCursor = StaffCursor()
TQDataTable.__init__(self, self.staffCursor)
self.propMap = TQSqlPropertyMap()
self.editorFactory = CustomSqlEditorFactory()
self.propMap.insert("StatusPicker", "statusid")
self.installPropertyMap(self.propMap)
self.installEditorFactory(self.editorFactory)
for cn, ch in (("forename", "Forename"),
("surname", "Surname" ),
("salary", "Annual Salary"),
("monsalary","Monthly Salary"),
("statusid", "Status")):
self.addColumn(cn, ch)
self.order = TQStringList("surname")
self.order.append("forename")
self.setSort(self.order)
self.refresh()
if __name__=='__main__':
app = TQApplication(sys.argv)
#app.setFont(TQFont("Verdana", 11))
if createConnection():
t = Table()
app.setMainWidget(t)
t.resize(600, 250)
t.show()
app.exec_loop()