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			117 lines
		
	
	
		
			5.0 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			117 lines
		
	
	
		
			5.0 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
# -*- coding: utf-8 -*-
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"""
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/***************************************************************************
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Name                 : DB Manager
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Description          : Database manager plugin for QGIS
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Date                 : May 23, 2011
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copyright            : (C) 2011 by Giuseppe Sucameli
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email                : brush.tyler@gmail.com
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 ***************************************************************************/
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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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from builtins import object
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from qgis.PyQt.QtCore import Qt
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from qgis.PyQt.QtWidgets import QAction, QApplication
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from qgis.PyQt.QtGui import QIcon
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from qgis.core import QgsProject, QgsMapLayer, QgsDataSourceUri, QgsApplication
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from . import resources_rc  # NOQA
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class DBManagerPlugin(object):
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    def __init__(self, iface):
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        self.iface = iface
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        self.dlg = None
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    def initGui(self):
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        self.action = QAction(QgsApplication.getThemeIcon('dbmanager.svg'), QApplication.translate("DBManagerPlugin", "DB Manager"),
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                              self.iface.mainWindow())
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        self.action.setObjectName("dbManager")
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        self.action.triggered.connect(self.run)
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        # Add toolbar button and menu item
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        if hasattr(self.iface, 'addDatabaseToolBarIcon'):
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            self.iface.addDatabaseToolBarIcon(self.action)
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        else:
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            self.iface.addToolBarIcon(self.action)
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        if hasattr(self.iface, 'addPluginToDatabaseMenu'):
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            self.iface.addPluginToDatabaseMenu(QApplication.translate("DBManagerPlugin", "DB Manager"), self.action)
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        else:
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            self.iface.addPluginToMenu(QApplication.translate("DBManagerPlugin", "DB Manager"), self.action)
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        self.layerAction = QAction(QgsApplication.getThemeIcon('dbmanager.svg'), QApplication.translate("DBManagerPlugin", "Update SQL Layer…"),
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                                   self.iface.mainWindow())
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        self.layerAction.setObjectName("dbManagerUpdateSqlLayer")
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        self.layerAction.triggered.connect(self.onUpdateSqlLayer)
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        self.iface.addCustomActionForLayerType(self.layerAction, "", QgsMapLayer.VectorLayer, False)
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        for l in list(QgsProject.instance().mapLayers().values()):
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            self.onLayerWasAdded(l)
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        QgsProject.instance().layerWasAdded.connect(self.onLayerWasAdded)
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    def unload(self):
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        # Remove the plugin menu item and icon
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        if hasattr(self.iface, 'removePluginDatabaseMenu'):
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            self.iface.removePluginDatabaseMenu(QApplication.translate("DBManagerPlugin", "DB Manager"), self.action)
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        else:
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            self.iface.removePluginMenu(QApplication.translate("DBManagerPlugin", "DB Manager"), self.action)
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        if hasattr(self.iface, 'removeDatabaseToolBarIcon'):
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            self.iface.removeDatabaseToolBarIcon(self.action)
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        else:
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            self.iface.removeToolBarIcon(self.action)
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        self.iface.removeCustomActionForLayerType(self.layerAction)
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        QgsProject.instance().layerWasAdded.disconnect(self.onLayerWasAdded)
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        if self.dlg is not None:
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            self.dlg.close()
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    def onLayerWasAdded(self, aMapLayer):
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        # Be able to update every Db layer from Postgres, Spatialite and Oracle
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        if hasattr(aMapLayer, 'dataProvider') and aMapLayer.dataProvider().name() in ['postgres', 'spatialite', 'oracle']:
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            self.iface.addCustomActionForLayer(self.layerAction, aMapLayer)
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        # virtual has QUrl source
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        # url = QUrl(QUrl.fromPercentEncoding(l.source()))
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        # url.queryItemValue('query')
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        # url.queryItemValue('uid')
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        # url.queryItemValue('geometry')
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    def onUpdateSqlLayer(self):
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        # Be able to update every Db layer from Postgres, Spatialite and Oracle
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        l = self.iface.activeLayer()
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        if l.dataProvider().name() in ['postgres', 'spatialite', 'oracle']:
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            self.run()
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            self.dlg.runSqlLayerWindow(l)
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        # virtual has QUrl source
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        # url = QUrl(QUrl.fromPercentEncoding(l.source()))
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        # url.queryItemValue('query')
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        # url.queryItemValue('uid')
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        # url.queryItemValue('geometry')
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    def run(self):
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        # keep opened only one instance
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        if self.dlg is None:
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            from .db_manager import DBManager
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            self.dlg = DBManager(self.iface)
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            self.dlg.destroyed.connect(self.onDestroyed)
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        self.dlg.show()
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        self.dlg.raise_()
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        self.dlg.setWindowState(self.dlg.windowState() & ~Qt.WindowMinimized)
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        self.dlg.activateWindow()
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    def onDestroyed(self, obj):
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        self.dlg = None
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