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121 lines
4.4 KiB
Python
121 lines
4.4 KiB
Python
# -*- coding: utf-8 -*-
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"""
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***************************************************************************
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PostgisTableSelector.py
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---------------------
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Date : November 2015
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Copyright : (C) 2015 by Victor Olaya
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Email : volayaf at gmail dot com
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***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************
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"""
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__author__ = 'Victor Olaya'
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__date__ = 'November 2015'
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__copyright__ = '(C) 2015, Victor Olaya'
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# This will get replaced with a git SHA1 when you do a git archive
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__revision__ = '$Format:%H$'
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import os
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from PyQt4 import uic, QtCore, QtGui
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from processing.algs.qgis.postgis_utils import GeoDB
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from qgis.core import *
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from PyQt4.QtGui import QMessageBox
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pluginPath = os.path.split(os.path.dirname(__file__))[0]
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WIDGET, BASE = uic.loadUiType(
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os.path.join(pluginPath, 'ui', 'DlgPostgisTableSelector.ui'))
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class PostgisTableSelector(BASE, WIDGET):
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def __init__(self, parent, tablename):
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super(PostgisTableSelector, self).__init__(parent)
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self.connection = None
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self.table = None
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self.schema = None
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self.setupUi(self)
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settings = QtCore.QSettings()
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settings.beginGroup('/PostgreSQL/connections/')
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names = settings.childGroups()
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settings.endGroup()
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for n in names:
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item = ConnectionItem(n)
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self.treeConnections.addTopLevelItem(item)
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def itemExpanded(item):
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try:
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item.populateSchemas()
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except:
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pass
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self.treeConnections.itemExpanded.connect(itemExpanded)
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self.textTableName.setText(tablename)
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self.buttonBox.accepted.connect(self.okPressed)
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self.buttonBox.rejected.connect(self.cancelPressed)
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def cancelPressed(self):
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self.close()
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def okPressed(self):
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if self.textTableName.text().strip() == "":
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self.textTableName.setStyleSheet("QLineEdit{background: yellow}")
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return
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item = self.treeConnections.currentItem()
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if isinstance(item, ConnectionItem):
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QMessageBox.warning(self, "Wrong selection", "Select a schema item in the tree")
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return
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self.schema = item.text(0)
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self.table = self.textTableName.text().strip()
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self.connection = item.parent().text(0)
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self.close()
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class ConnectionItem(QtGui.QTreeWidgetItem):
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connIcon = QtGui.QIcon(os.path.dirname(__file__) + '/../images/postgis.png')
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schemaIcon = QtGui.QIcon(os.path.dirname(__file__) + '/../images/namespace.png')
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def __init__(self, connection):
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QtGui.QTreeWidgetItem.__init__(self)
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self.setChildIndicatorPolicy(QtGui.QTreeWidgetItem.ShowIndicator)
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self.connection = connection
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self.setText(0, connection)
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self.setIcon(0, self.connIcon)
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def populateSchemas(self):
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if self.childCount() != 0:
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return
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settings = QtCore.QSettings()
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connSettings = '/PostgreSQL/connections/' + self.connection
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database = settings.value(connSettings + '/database')
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user = settings.value(connSettings + '/username')
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host = settings.value(connSettings + '/host')
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port = settings.value(connSettings + '/port')
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passwd = settings.value(connSettings + '/password')
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uri = QgsDataSourceURI()
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uri.setConnection(host, str(port), database, user, passwd)
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connInfo = uri.connectionInfo()
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(success, user, passwd) = QgsCredentials.instance().get(connInfo, None, None)
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if success:
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QgsCredentials.instance().put(connInfo, user, passwd)
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geodb = GeoDB(host, int(port), database, user, passwd)
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schemas = geodb.list_schemas()
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for oid, name, owner, perms in schemas:
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item = QtGui.QTreeWidgetItem()
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item.setText(0, name)
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item.setIcon(0, self.schemaIcon)
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self.addChild(item)
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