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# -*- coding: utf-8 -*-
"""
/***************************************************************************
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, QMessageBox, QApplication
from .db_plugins.plugin import DbError
from .dlg_db_error import DlgDbError
from .db_plugins.plugin import TableIndex
from .ui.ui_DlgCreateIndex import Ui_DbManagerDlgCreateIndex as Ui_Dialog
class DlgCreateIndex(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.createIndex)
self.cboColumn.currentIndexChanged.connect(self.columnChanged)
self.populateColumns()
def populateColumns(self):
self.cboColumn.clear()
for fld in self.table.fields():
self.cboColumn.addItem(fld.name)
def columnChanged(self):
self.editName.setText(u"idx_%s_%s" % (self.table.name, self.cboColumn.currentText()))
def createIndex(self):
idx = self.getIndex()
if idx.name == "":
QMessageBox.critical(self, self.tr("Error"), self.tr("Please enter some name for the index"))
return
# now create the index
QApplication.setOverrideCursor(Qt.WaitCursor)
try:
self.table.addIndex(idx)
except DbError as e:
DlgDbError.showError(e, self)
return
finally:
QApplication.restoreOverrideCursor()
self.accept()
def getIndex(self):
idx = TableIndex(self.table)
idx.name = self.editName.text()
idx.columns = []
colname = self.cboColumn.currentText()
for fld in self.table.fields():
if fld.name == colname:
idx.columns.append(fld.num)
break
return idx
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