forked from geopunt/geopunt4qgis
/
geopunt4QgisDataCatalog.py
317 lines (278 loc) · 14 KB
/
geopunt4QgisDataCatalog.py
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# -*- coding: utf-8 -*-
"""
/***************************************************************************
geopunt4QgisDataCatalog
A QGIS plugin
"Tool om geopunt in QGIS te gebruiken"
-------------------
begin : 2014-07-15
copyright : (C) 2014 by Kay Warrie
email : kaywarrie@gmail.com
***************************************************************************/
/***************************************************************************
* *
* 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 PyQt4 import QtCore, QtGui
from ui_geopunt4QgisDataCatalog import Ui_geopunt4QgisDataCatalogDlg
from qgis.core import *
from qgis.gui import QgsMessageBar
from geopunt import internet_on
import metadata, os, json, webbrowser, sys
import geometryhelper as gh
class geopunt4QgisDataCatalog(QtGui.QDialog):
def __init__(self, iface):
QtGui.QDialog.__init__(self, None)
self.setWindowFlags( self.windowFlags() & ~QtCore.Qt.WindowContextHelpButtonHint )
#self.setWindowFlags( self.windowFlags() | QtCore.Qt.WindowStaysOnTopHint)
self.iface = iface
# initialize locale
locale = QtCore.QSettings().value("locale/userLocale", "nl")
if not locale: locale == 'nl'
else: locale = locale[0:2]
localePath = os.path.join(os.path.dirname(__file__), 'i18n', 'geopunt4qgis_{}.qm'.format(locale))
if os.path.exists(localePath):
self.translator = QtCore.QTranslator()
self.translator.load(localePath)
if QtCore.qVersion() > '4.3.3': QtCore.QCoreApplication.installTranslator(self.translator)
self._initGui()
def _initGui(self):
"""setup the user interface"""
self.ui = Ui_geopunt4QgisDataCatalogDlg()
self.ui.setupUi(self)
#get settings
self.s = QtCore.QSettings()
self.loadSettings()
self.gh = gh.geometryHelper( self.iface )
#setup a message bar
self.bar = QgsMessageBar()
self.bar.setSizePolicy( QtGui.QSizePolicy.Minimum, QtGui.QSizePolicy.Fixed )
self.ui.verticalLayout.addWidget(self.bar)
self.ui.buttonBox.addButton( QtGui.QPushButton("Sluiten"), QtGui.QDialogButtonBox.RejectRole )
for btn in self.ui.buttonBox.buttons():
btn.setAutoDefault(0)
#vars
self.firstShow = True
self.wms = None
self.wfs = None
self.dl = None
self.zoek = ''
self.bronnen = None
self.model = QtGui.QStandardItemModel( self )
self.proxyModel = QtGui.QSortFilterProxyModel(self)
self.proxyModel.setSourceModel(self.model)
self.ui.resultView.setModel( self.proxyModel )
self.completer = QtGui.QCompleter( self )
self.completerModel = QtGui.QStringListModel( self)
self.ui.zoekTxt.setCompleter( self.completer )
self.completer.setModel( self.completerModel )
#eventhandlers
self.ui.zoekBtn.clicked.connect(self.onZoekClicked)
self.ui.addWMSbtn.clicked.connect(self.addWMS)
self.ui.addWFSbtn.clicked.connect(self.addWFS)
self.ui.DLbtn.clicked.connect(lambda: self.openUrl(self.dl))
self.ui.resultView.clicked.connect(self.resultViewClicked)
self.ui.modelFilterCbx.currentIndexChanged.connect(self.modelFilterCbxIndexChanged)
self.ui.filterWgt.setHidden(1)
self.ui.buttonBox.helpRequested.connect(self.openHelp)
self.finished.connect(self.clean)
def loadSettings(self):
self.timeout = int( self.s.value("geopunt4qgis/timeout" ,15))
if int( self.s.value("geopunt4qgis/useProxy" , 0)):
self.proxy = self.s.value("geopunt4qgis/proxyHost" ,"")
self.port = self.s.value("geopunt4qgis/proxyPort" ,"")
else:
self.proxy = ""
self.port = ""
self.md = metadata.MDReader( self.timeout, self.proxy, self.port )
def openHelp(self):
webbrowser.open_new_tab("http://www.geopunt.be/voor-experts/geopunt-plug-ins/functionaliteiten/catalogus")
def _setModel(self, records):
self.model.clear()
for rec in records:
title = QtGui.QStandardItem( rec['title'] ) #0
wms = QtGui.QStandardItem( rec['wms'] ) #1
downloadLink = QtGui.QStandardItem(rec['download']) #2
id = QtGui.QStandardItem( rec['uuid'] ) #3
abstract = QtGui.QStandardItem( rec['abstract'] ) #4
wfs = QtGui.QStandardItem( rec['wfs'] ) #5
self.model.appendRow([title,wms,downloadLink,id,abstract,wfs])
#overwrite
def show(self):
QtGui.QDialog.show(self)
self.setWindowModality(0)
if self.firstShow:
inet = internet_on( proxyUrl=self.proxy, port=self.port, timeout=self.timeout )
if inet:
self.ui.GDIThemaCbx.addItems( ['']+ self.md.list_GDI_theme() )
self.ui.organisatiesCbx.addItems( ['']+ self.md.list_organisations() )
keywords = sorted( self.md.list_suggestionKeyword() )
self.completerModel.setStringList( keywords )
self.bronnen = self.md.list_bronnen()
self.ui.bronCbx.addItems( ['']+ [ n[1] for n in self.bronnen] )
self.ui.typeCbx.addItems( ['']+ [ n[0] for n in self.md.dataTypes] )
self.ui.INSPIREannexCbx.addItems( ['']+ self.md.inspireannex )
self.ui.INSPIREserviceCbx.addItems( ['']+ self.md.inspireServiceTypes )
self.ui.INSPIREthemaCbx.addItems( ['']+ self.md.list_inspire_theme() )
self.firstShow = False
else:
self.bar.pushMessage(
QtCore.QCoreApplication.translate("geopunt4QgisPoidialog", "Waarschuwing "),
QtCore.QCoreApplication.translate("geopunt4QgisPoidialog",
"Kan geen verbing maken met het internet."), level=QgsMessageBar.WARNING, duration=3)
#eventhandlers
def resultViewClicked(self):
if self.ui.resultView.selectedIndexes():
row = self.ui.resultView.selectedIndexes()[0].row()
title = self.proxyModel.data( self.proxyModel.index( row, 0) )
self.wms = self.proxyModel.data( self.proxyModel.index( row, 1) )
self.dl = self.proxyModel.data( self.proxyModel.index( row, 2) )
self.wfs = self.proxyModel.data( self.proxyModel.index( row, 5) )
uuid = self.proxyModel.data( self.proxyModel.index( row, 3) )
abstract = self.proxyModel.data( self.proxyModel.index( row, 4) )
self.ui.descriptionText.setText(
"""<h3>%s</h3><div>%s</div><br/><br/>
<a href='https://metadata.geopunt.be/zoekdienst/apps/tabsearch/index.html?uuid=%s'>
Ga naar fiche</a>""" % (title , abstract, uuid ))
if self.wms: self.ui.addWMSbtn.setEnabled(1)
else: self.ui.addWMSbtn.setEnabled(0)
if self.wfs: self.ui.addWFSbtn.setEnabled(1)
else: self.ui.addWFSbtn.setEnabled(0)
if self.dl: self.ui.DLbtn.setEnabled(1)
else: self.ui.DLbtn.setEnabled(0)
def onZoekClicked(self):
self.zoek = self.ui.zoekTxt.currentText()
self.search()
def modelFilterCbxIndexChanged(self):
value = self.ui.modelFilterCbx.currentIndex()
if value == 1:
self.filterModel(1)
elif value == 2:
self.filterModel(5)
elif value == 3:
self.filterModel(2)
else:
self.filterModel()
def filterModel(self, col=None):
if col != None:
self.proxyModel.setFilterKeyColumn(col)
expr = QtCore.QRegExp("?*", QtCore.Qt.CaseInsensitive, QtCore.QRegExp.Wildcard )
self.proxyModel.setFilterRegExp(expr)
else:
self.proxyModel.setFilterRegExp(None)
def search(self):
try:
if self.ui.filterBox.isChecked():
themekey= self.ui.GDIThemaCbx.currentText()
orgName= self.ui.organisatiesCbx.currentText()
dataTypes= [ n[1] for n in self.md.dataTypes if n[0] == self.ui.typeCbx.currentText()]
if dataTypes != []: dataType= dataTypes[0]
else: dataType=''
siteIds = [ n[0] for n in self.bronnen if n[1] == self.ui.bronCbx.currentText() ]
if siteIds != []: siteId= siteIds[0]
else: siteId =''
inspiretheme= self.ui.INSPIREthemaCbx.currentText()
inspireannex= self.ui.INSPIREannexCbx.currentText()
inspireServiceType= self.ui.INSPIREserviceCbx.currentText()
searchResult = metadata.MDdata( self.md.searchAll(
self.zoek, themekey, orgName, dataType, siteId, inspiretheme, inspireannex, inspireServiceType))
else:
searchResult = metadata.MDdata( self.md.searchAll( self.zoek ))
except:
self.bar.pushMessage("Error", str( sys.exc_info()[1]), level=QgsMessageBar.CRITICAL, duration=3)
return
self.ui.countLbl.setText( "Aantal gevonden: %s" % searchResult.count )
self.ui.descriptionText.setText('')
self._setModel(searchResult.records)
if searchResult.count == 0:
self.bar.pushMessage(
QtCore.QCoreApplication.translate("geopunt4QgisPoidialog", "Waarschuwing "),
QtCore.QCoreApplication.translate("geopunt4QgisPoidialog", "Er werden geen resultaten gevonde voor deze zoekopdracht"),
duration=5)
def openUrl(self, url):
if url: webbrowser.open_new_tab( url.encode("utf-8") )
def addWMS(self):
if self.wms == None: return
crs = self.gh.getGetMapCrs(self.iface).authid()
if crs != 'EPSG:31370' or crs != 'EPSG:3857' or crs != 'EPSG:3043':
crs = 'EPSG:31370'
try:
lyrs = metadata.getWmsLayerNames( self.wms , self.proxy, self.port)
except:
self.bar.pushMessage( "Error", str( sys.exc_info()[1]), level=QgsMessageBar.CRITICAL, duration=10)
return
if len(lyrs) == 0:
self.bar.pushMessage("WMS",
QtCore.QCoreApplication.translate("geopunt4QgisDataCatalog",
"Kan geen lagen vinden in: %s" % self.wms ), level=QgsMessageBar.WARNING, duration=10)
return
elif len(lyrs) == 1:
layerTitle = lyrs[0][1]
else:
layerTitle, accept = QtGui.QInputDialog.getItem(self, "WMS toevoegen",
"Kies een laag om toe te voegen", [n[1] for n in lyrs], editable=0)
if not accept: return
layerName = [n[0] for n in lyrs if n[1] == layerTitle ][0]
style = [n[2] for n in lyrs if n[1] == layerTitle ][0]
url= self.wms.split('?')[0]
if crs != 'EPSG:31370' or crs != 'EPSG:3857' :
crs = 'EPSG:31370'
wmsUrl = "url=%s&layers=%s&format=image/png&styles=%s&crs=%s" % (url, layerName, style , crs)
try:
rlayer = QgsRasterLayer(wmsUrl, layerTitle, 'wms')
if rlayer.isValid():
QgsMapLayerRegistry.instance().addMapLayer(rlayer)
else:
self.bar.pushMessage("Error",
QtCore.QCoreApplication.translate("geopunt4QgisDataCatalog", "Kan WMS niet laden"),
level=QgsMessageBar.CRITICAL, duration=10)
except:
self.bar.pushMessage("Error", str( sys.exc_info()[1] ), level=QgsMessageBar.CRITICAL, duration=10)
return
def addWFS(self):
if self.wfs == None: return
try:
lyrs = metadata.getWFSLayerNames( self.wfs, self.proxy, self.port)
except:
self.bar.pushMessage( "Error", str( sys.exc_info()[1]), level=QgsMessageBar.CRITICAL, duration=10)
return
if len(lyrs) == 0:
self.bar.pushMessage("WFS",
QtCore.QCoreApplication.translate("geopunt4QgisDataCatalog",
"Kan geen lagen vinden in: %s" % self.wfs ), level=QgsMessageBar.WARNING, duration=10)
return
elif len(lyrs) == 1:
layerTitle = lyrs[0][1]
else:
layerTitle, accept = QtGui.QInputDialog.getItem(self, "WFS toevoegen",
"Kies een laag om toe te voegen", [n[1] for n in lyrs], editable=0)
if not accept: return
layerName = [n[0] for n in lyrs if n[1] == layerTitle ][0]
crs = [n[2] for n in lyrs if n[1] == layerTitle ][0]
url = self.wfs.split('?')[0]
wfsUri = metadata.makeWFSuri( url, layerName, crs )
print wfsUri
try:
vlayer = QgsVectorLayer( wfsUri, layerTitle , "WFS")
QgsMapLayerRegistry.instance().addMapLayer(vlayer)
except:
self.bar.pushMessage("Error", str( sys.exc_info()[1] ), level=QgsMessageBar.CRITICAL, duration=10)
return
def clean(self):
self.model.clear()
self.wms = None
self.wfs = None
self.dl = None
self.ui.zoekTxt.setCurrentIndex(0)
self.ui.descriptionText.setText('')
self.ui.countLbl.setText( "")
self.ui.msgLbl.setText("" )
self.ui.DLbtn.setEnabled(0)
self.ui.addWFSbtn.setEnabled(0)
self.ui.addWMSbtn.setEnabled(0)
self.ui.modelFilterCbx.setCurrentIndex(0)