mirror of
https://github.com/qgis/QGIS.git
synced 2025-10-26 00:04:03 -04:00
74 lines
2.7 KiB
Python
74 lines
2.7 KiB
Python
"""
|
|
/***************************************************************************
|
|
Name : DB Manager
|
|
Description : Database manager plugin for QGIS
|
|
Date : Oct 13, 2011
|
|
copyright : (C) 2011 by Giuseppe Sucameli
|
|
email : brush.tyler@gmail.com
|
|
|
|
The content of this file is based on
|
|
- PG_Manager by Martin Dobias (GPLv2 license)
|
|
***************************************************************************/
|
|
|
|
/***************************************************************************
|
|
* *
|
|
* This program is free software; you can redistribute it and/or modify *
|
|
* it under the terms of the GNU General Public License as published by *
|
|
* the Free Software Foundation; either version 2 of the License, or *
|
|
* (at your option) any later version. *
|
|
* *
|
|
***************************************************************************/
|
|
"""
|
|
|
|
from qgis.PyQt.QtCore import Qt
|
|
from qgis.PyQt.QtWidgets import QDialog, QApplication
|
|
from qgis.utils import OverrideCursor
|
|
|
|
from .db_plugins.plugin import DbError
|
|
from .dlg_db_error import DlgDbError
|
|
from .db_plugins.plugin import TableConstraint
|
|
|
|
from .ui.ui_DlgCreateConstraint import Ui_DbManagerDlgCreateConstraint as Ui_Dialog
|
|
|
|
|
|
class DlgCreateConstraint(QDialog, Ui_Dialog):
|
|
|
|
def __init__(self, parent=None, table=None, db=None):
|
|
QDialog.__init__(self, parent)
|
|
self.table = table
|
|
self.db = self.table.database() if self.table and self.table.database() else db
|
|
self.setupUi(self)
|
|
|
|
self.buttonBox.accepted.connect(self.createConstraint)
|
|
self.populateColumns()
|
|
|
|
def populateColumns(self):
|
|
self.cboColumn.clear()
|
|
for fld in self.table.fields():
|
|
self.cboColumn.addItem(fld.name)
|
|
|
|
def createConstraint(self):
|
|
constr = self.getConstraint()
|
|
|
|
# now create the constraint
|
|
with OverrideCursor(Qt.WaitCursor):
|
|
try:
|
|
self.table.addConstraint(constr)
|
|
except DbError as e:
|
|
DlgDbError.showError(e, self)
|
|
return
|
|
|
|
self.accept()
|
|
|
|
def getConstraint(self):
|
|
constr = TableConstraint(self.table)
|
|
constr.name = ""
|
|
constr.type = TableConstraint.TypePrimaryKey if self.radPrimaryKey.isChecked() else TableConstraint.TypeUnique
|
|
constr.columns = []
|
|
column = self.cboColumn.currentText()
|
|
for fld in self.table.fields():
|
|
if fld.name == column:
|
|
constr.columns.append(fld.num)
|
|
break
|
|
return constr
|