81 lines
3.2 KiB
Python
81 lines
3.2 KiB
Python
#modifie the QSqlQueryModel to be editable and sets them to the database
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from PySide6.QtSql import QSqlQueryModel, QSqlQuery
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from PySide6.QtCore import Qt
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#credits to :
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#https://stackoverflow.com/questions/49752388/editable-qtableview-of-complex-sql-query
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class SqlQueryModel_editable(QSqlQueryModel):
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"""a subclass of QSqlQueryModel where individual columns can be defined as editable
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"""
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def __init__(self, editables):
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"""editables should be a dict of format:
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{INT editable_column_nr : (STR update query to be performed when changes are made on this column
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INT model's column number for the filter-column (used in the where-clause),
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)}
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"""
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super().__init__()
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self.editables = editables
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self.updatelist = []
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def flags(self, index):
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fl = QSqlQueryModel.flags(self, index)
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if index.column() in self.editables:
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fl |= Qt.ItemIsEditable
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return fl
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def setData(self, index, value, role=Qt.EditRole):
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print("role: ",role)
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if role == Qt.EditRole:
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mycolumn = index.column()
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if mycolumn in self.editables:
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(query, filter_col) = self.editables[mycolumn]
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filter_value = self.index(index.row(), filter_col).data()
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q = QSqlQuery(query.format(value, filter_value))
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result = q.exec_()
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if result:
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self.query().exec_()
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# print("filter_value:",filter_value)
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print("setdata query: ",query.format(value, filter_value))
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print("index.row:",index.row(), "filter_col:",filter_col)
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else:
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print(self.query().lastError().text())
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return result
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elif role == 1001:
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result = 0
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self.updatelist.append(value)
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print(self.updatelist)
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if len(self.updatelist) >= 5:
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for x in self.updatelist:
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print("Atempt flaging view")
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q = QSqlQuery("UPDATE jobs SET viewed = '1' WHERE hash = {}".format(x))
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print("QSQLQuery: ", "UPDATE jobs SET viewed = '1' WHERE hash = {}".format(x))
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result = q.exec_()
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if result:
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self.query().exec_()
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else:
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print("Error:", self.query().lastError().text())
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return result
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self.updatelist = []
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return result
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return QSqlQueryModel.setData(self, index, value, role)
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# view = QTableView()
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#
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# editables = {1 : ("UPDATE Manufacturers SET Country = '{}' WHERE Company = '{}'", 2)}
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# model = SqlQueryModel_editable(editables)
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# query = '''
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# SELECT (comp.company || " " || cars.model) as Car,
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# comp.Country,
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# cars.company,
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# (CASE WHEN cars.Year > 2000 THEN 'yes' ELSE 'no' END) as this_century
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# from manufacturers comp left join cars
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# on comp.company = cars.company
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# '''
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# q = QSqlQuery(query)
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# model.setQuery(q)
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# model.setFilter("cars.Company = 'VW'")
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# view.setModel(model)
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# view.hideColumn(2)
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