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postgisbbox.py
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postgisbbox.py
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"""
/***************************************************************************
PostgisBBox
A QGIS plugin
Load a BBO from postgis layers
-------------------
begin : 2011-10-02
copyright : (C) 2011 by Francesco Boccacci
email : [email protected]
***************************************************************************/
/***************************************************************************
* *
* 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. *
* *
***************************************************************************/
"""
# Import the PyQt and QGIS libraries
from PyQt4.QtCore import *
from PyQt4.QtGui import *
from qgis.core import *
from qgis.gui import *
from qgis.utils import *
#from mymap import MyWnd
from qgis.gui import *
from PyQt4.QtGui import QAction, QMainWindow
from PyQt4.QtCore import SIGNAL, Qt, QString
from qgis.core import *
import os, sys, math
from urllib2 import urlopen
import xml.etree.ElementTree as ET, re, decimal
#from xml.etree.ElementTree import ElementTree
# Initialize Qt resources from file resources.py
import resources
# Import the code for the dialog
from postgisbboxdialog import PostgisBBoxDialog
import postgis_utils
from ui_postgisbbox import Ui_PostgisBBox
class PostgisBBox (QDialog, Ui_PostgisBBox):
def __init__(self, iface):
QDialog.__init__(self)
#QMessageBox.information( self.iface.mainWindow(),"Info", "Main" )
# Set up the user interface from Designer.
self.ui = Ui_PostgisBBox()
self.ui.setupUi(self)
#QObject.connect(self.ui.ConnectToPostgis, SIGNAL("clicked()"), self.salutare)
#database = self.listDatabases()
#datbasestring=''
#for i in database:
#QMessageBox.information( self.iface.mainWindow(),"Info", i )
#databasestring +=i
# self.ui.ConnessioniPostgis.addItem(i)
# Save reference to the QGIS interface
self.iface = iface
self.canvas = self.iface.mapCanvas() #CHANGE
# this QGIS tool emits as QgsPoint after each click on the map canvas
#self.clickTool = QgsMapToolEmitPoint(self.canvas)
self.db = None
#self.ConnessioniPostgis.clear()
#self.database = self.listDatabases()
#datbasestring=''
#QMessageBox.information( self.iface.mainWindow(),"Info",collegamento)
#QMessageBox.information( self.iface.mainWindow(),"Info", str(self.ConnessioniPostgis.count()))
#QObject.connect(self.ConnessioniPostgis, SIGNAL("currentIndexChanged(QString)"), self.update)
#QMessageBox.information( self.iface.mainWindow(),"Info", str(self.ConnessioniPostgis.count()))
def initGui(self):
# Create action that will start plugin configuration
QDialog.__init__(self)
#self.iface = iface
self.setupUi(self)
# Set up the user interface from Designer.
#self.ui = Ui_PostgisBBox()
#self.ui.setupUi(self)
self.action = QAction(QIcon(":/plugins/PostgisBBox/postgis_select.png"), \
"PostgisBBOX", self.iface.mainWindow())
# connect the action to the run method
QObject.connect(self.action, SIGNAL("triggered()"), self.run)
#QObject.connect(self.ConnectToPostgis, SIGNAL("clicked()"), self.salutare)
# Add toolbar button and menu item
self.iface.addToolBarIcon(self.action)
self.iface.addPluginToMenu("&PostgisBBOX", self.action)
#self.statusBar = QStatusBar(self)
#self.setStatusBar(self.statusBar)
#result = QObject.connect(self.clickTool, SIGNAL("canvasClicked(const QgsPoint &, Qt::MouseButton)"), self.handleMouseDown)
#QMessageBox.information( self.iface.mainWindow(),"Info", "connect = %s"%str(result) )
def updateListDatabase(self):
database = self.listDatabases()
#datbasestring=''
for i in database:
#QMessageBox.information( self.iface.mainWindow(),"Info", i )
#databasestring +=i
self.ConnessioniPostgis.addItem(i)
#self.BBoxBottom.insert(i)
#self.ConnessioniPostgis.insertItems(i)
#self.listView.setText(i)
#self.ConnessioniPostgis.view()
#def handleMouseDown(self, point, button):
#QMessageBox.information( self.iface.mainWindow(),"Info", "X,Y = %s,%s" % (str(point.x()),str(point.y())) )
#
def unload(self):
# Remove the plugin menu item and icon
self.iface.removePluginMenu("&PostgisBBOX",self.action)
self.iface.removeToolBarIcon(self.action)
def listDatabases(self):
#self.ui.setupUi(self)
self.actionsDb = {}
settings = QSettings()
settings.beginGroup("/PostgreSQL/connections")
keys = settings.childGroups()
#QMessageBox.information( self.iface.mainWindow(),"Info", unicode(keys) )
for key in keys:
self.actionsDb[unicode(key)] = key
settings.endGroup()
return self.actionsDb
def dbConnect(self):
selected = self.dlg.ui.ConnessioniPostgis.currentText()
self.currentindex = self.dlg.ui.ConnessioniPostgis.currentIndex()
self.dlg.ui.comboBoxschema.clear()
self.dlg.ui.comboBoxschema.addItem('All')
settings = QSettings()
# if there's open database already, get rid of it
if self.db:
self.dbDisconnect()
# get connection details from QSettings
settings.beginGroup( u"/PostgreSQL/connections/" + selected )
if not settings.contains("database"): # non-existent entry?
QMessageBox.critical(self, "Error", "Unable to connect: there is no defined database connection \"%s\"." % selected)
return
#else:
#QMessageBox.information( self.iface.mainWindow(),"Prima", "Databse conesso a " + selected)
get_value_str = lambda x: unicode(settings.value(x).toString())
self.host, self.database, self.username, self.password = map(get_value_str, ["host", "database", "username", "password"])
self.port = settings.value("port").toInt()[0]
# qgis1.5 use 'savePassword' instead of 'save' setting
if not ( settings.value("save").toBool() or settings.value("savePassword").toBool() ):
(password, ok) = QInputDialog.getText(self, "Enter password", "Enter password for connection \"%s\":" % selected, QLineEdit.Password)
if not ok: return
settings.endGroup()
#self.statusBar.showMessage("Connecting to database (%s) ..." % selected)
QApplication.processEvents() # give the user chance to see the message :)
# connect to DB
try:
self.db = postgis_utils.GeoDB(host=self.host, port=self.port, dbname=self.database, user=self.username, passwd=self.password)
#QMessageBox.information( self.iface.mainWindow(),"Prima", "Databse conesso a " + selected)
self.tables = self.db.list_geotables()
self.n_tables = len(self.tables)
t_n = 0
#QMessageBox.information( self.iface.mainWindow(),"Prima", "Tabella " + str(n_tables))
for t in self.tables :
if str(t[7]) != "None" :
t_n+=1
self.n_tables = t_n
self.dlg.ui.tableWidget.setRowCount(self.n_tables)
#QMessageBox.information( self.iface.mainWindow(),"Prima", "Tabella " + str(n_tables))
i = 0
schemaold = ''
try:
_fromUtf8 = QString.fromUtf8
except AttributeError:
_fromUtf8 = lambda s: s
for t in self.tables :
#self.geo = t.check_geometry_columns_table()
if str(t[7]) != "None" :
#self.tableWidget.insertRow(i)
tab = QTableWidgetItem(str(t[0]))
schema = QTableWidgetItem(str(t[1]))
geotype = QTableWidgetItem(str(t[7]))
#schemaold = ""
#type = QTableWidgetItem(str(t[7]))
self.dlg.ui.tableWidget.setItem(i,0,tab)
self.dlg.ui.tableWidget.setItem(i,1,schema)
if str(t[7]) == 'POINT':
PointItem= QTableWidgetItem()
PointItem.setText(str(t[7]))
layerPointIcon = QIcon()
layerPointIcon.addPixmap(QPixmap(_fromUtf8(":/icons/layer_point.png")), QIcon.Normal, QIcon.Off)
PointItem.setIcon(layerPointIcon)
self.dlg.ui.tableWidget.setItem(i,2,PointItem)
elif str(t[7]) == 'LINESTRING' or str(t[7]) == 'MULTILINESTRING':
LineItem= QTableWidgetItem()
LineItem.setText(str(t[7]))
layerLineIcon = QIcon()
layerLineIcon.addPixmap(QPixmap(_fromUtf8(":/icons/layer_line.png")), QIcon.Normal, QIcon.Off)
LineItem.setIcon(layerLineIcon)
self.dlg.ui.tableWidget.setItem(i,2,LineItem)
elif str(t[7]) == 'POLYGON' or str(t[7]) == 'MULTIPOLYGON' :
PolyItem= QTableWidgetItem()
PolyItem.setText(str(t[7]))
layerPolyIcon = QIcon()
layerPolyIcon.addPixmap(QPixmap(_fromUtf8(":/icons/layer_polygon.png")), QIcon.Normal, QIcon.Off)
PolyItem.setIcon(layerPolyIcon)
self.dlg.ui.tableWidget.setItem(i,2,PolyItem)
else:
UnkItem= QTableWidgetItem()
UnkItem.setText('Unknow')
layerUnkIcon = QIcon()
layerUnkIcon.addPixmap(QPixmap(_fromUtf8(":/icons/layer_unknow.png")), QIcon.Normal, QIcon.Off)
UnkItem.setIcon(layerUnkIcon)
self.dlg.ui.tableWidget.setItem(i,2,UnkItem)
if schemaold != str(t[1]):
self.dlg.ui.comboBoxschema.addItem(str(t[1]))
schemaold = str(t[1])
i+=1
#QMessageBox.information( self.iface.mainWindow(),"Prima", "Tabella " + str(t[7]))
#QMessageBox.information( self.iface.mainWindow(),"Prima", "Tabella " + str(self.ui.tableWidget.rowCount()))
except postgis_utils.DbError, e:
#self.statusBar.clearMessage()
QMessageBox.critical(self, "error", "Couldn't connect to database:\n"+e.msg)
return
self.writeLastConnection(selected)
def dbDisconnect(self):
# uncheck previously selected DB
"""
for a in self.actionsDb.itervalues():
if a.isChecked():
a.setChecked(False)
self.db = None
self.txtMetadata.setDatabase(None)
self.refreshTable()
self.actionDbDisconnect.setEnabled(False)
"""
#self.enableGui(False)
#self.currentView = ManagerWindow.ViewNothing
#self.updateView()
#self.updateWindowTitle()
def addLayers (self):
selTable = self.dlg.ui.tableWidget.selectedItems()
#QMessageBox.information( self.iface.mainWindow(),"Lunghezza", str(len(selTable)) )
self.lt = len(selTable)
#QMessageBox.information( self.iface.mainWindow(),"Lunghezza", str(l) )
i=0
for l in selTable:
for t in self.tables:
if str(t[0]) == selTable[i].text():
uri = QgsDataSourceURI()
#uri.setConnection("localhost", "5432", "test_postgis", "postgres", "postgres")
uri.setConnection(str(self.host), str(self.port), str(self.database), str(self.username), str(self.password))
#QMessageBox.information( self.iface.mainWindow(),"Lunghezza", "Prima" )
uri.setDataSource(str(t[1]), selTable[i].text(), str(t[6]))
layer = QgsVectorLayer(uri.uri(), selTable[i].text(), "postgres")
#QMessageBox.information( self.iface.mainWindow(),"Mappa", str(self.epgslayermap) )
#QMessageBox.information( self.iface.mainWindow(),"Tabella", str(layer.crs().epsg() ))
crsStart = QgsCoordinateReferenceSystem()
crsStart.createFromProj4(self.proj4layermap)
crsDest = QgsCoordinateReferenceSystem()
crsDest.createFromProj4(layer.crs().toProj4())
#if self.epgslayermap != layer.crs().epsg():
if crsStart != crsDest:
#QMessageBox.information( self.iface.mainWindow(),"Mappa", str(self.w.xmin()) )
uri.setDataSource(str(t[1]), selTable[i].text(), str(t[6]))
bbox = QgsRectangle()
bbox.setXMinimum(self.dlg.ui.widget.extent().xMinimum())
bbox.setXMaximum(self.dlg.ui.widget.extent().xMaximum())
bbox.setYMinimum(self.dlg.ui.widget.extent().yMinimum())
bbox.setYMaximum(self.dlg.ui.widget.extent().yMaximum())
bboxNew = QgsCoordinateTransform(crsStart,crsDest).transformBoundingBox(bbox)
#QMessageBox.information( self.iface.mainWindow(),"Tabella", str(bboxNew.xMinimum()) )
#QMessageBox.information( self.iface.mainWindow(),"Mappa", str(bboxNew.xMinimum()) )
#sql = "the_geom && setsrid('BOX3D(" + left+ " " + bottom + " , " + right + " " + top + ")'::box3d,-1)"
sql = str(t[6]) + " && setsrid('BOX3D(" + str(bboxNew.xMinimum()) + " " + str(bboxNew.yMinimum()) + " , " + str(bboxNew.xMaximum()) + " " + str(bboxNew.yMaximum()) + ")'::box3d, " + str(layer.crs().epsg()) + ")"
uri.setDataSource(str(t[1]), selTable[i].text(), str(t[6]), sql)
#QMessageBox.information( self.iface.mainWindow(),"Mappa", "Diversi3" )
#QMessageBox.information( self.iface.mainWindow(),"Mappa", str(uri.uri()) )
self.iface.addVectorLayer(uri.uri(), selTable[i].text(), "postgres")
self.start = 0
#QMessageBox.information( self.iface.mainWindow(),"Mappa", "Diversi5" )
else:
#QMessageBox.information( self.iface.mainWindow(),"Mappa", "Uguali" )
uri.setDataSource(str(t[1]), selTable[i].text(), str(t[6]))
#sql = "the_geom && setsrid('BOX3D(" + left+ " " + bottom + " , " + right + " " + top + ")'::box3d,-1)"
sql = str(t[6]) + " && setsrid('BOX3D(" + str(self.dlg.ui.widget.extent().xMinimum()) + " " + str(self.dlg.ui.widget.extent().yMinimum()) + " , " + str(self.dlg.ui.widget.extent().xMaximum()) + " " + str(self.dlg.ui.widget.extent().yMaximum()) + ")'::box3d," + str(layer.crs().epsg()) + ")"
uri.setDataSource(str(t[1]), selTable[i].text(), str(t[6]), sql)
self.iface.addVectorLayer(uri.uri(), selTable[i].text(), "postgres")
self.start = 0
#self.iface.zoomActiveLayer()
i+=1
#self.iface.zoomActiveLayer()
self.writeLastBBox(str(self.dlg.ui.widget.extent().xMinimum()),str(self.dlg.ui.widget.extent().yMinimum()), str(self.dlg.ui.widget.extent().xMaximum()), str(self.dlg.ui.widget.extent().yMaximum()))
self.view = 1
def showMap(self):
#self.start = 0
try:
#QMessageBox.information( self.iface.mainWindow(),"Prima", "Provo a leggere layer")
self.layervector = self.iface.activeLayer()
crsStart = QgsCoordinateReferenceSystem()
crsStart.createFromProj4(self.layervector.crs().toProj4())
crsDest = QgsCoordinateReferenceSystem()
crsDest.createFromProj4(self.layer.crs().toProj4())
#QMessageBox.information( self.iface.mainWindow(),"Mappa", str(crsStart) )
#QMessageBox.information( self.iface.mainWindow(),"Start", str(self.start))
if crsStart != crsDest:
bbox = self.layervector.extent()
bboxNew = QgsCoordinateTransform(crsStart,crsDest).transformBoundingBox(bbox)
if self.start == 0:
self.start = 1
#QMessageBox.information( self.iface.mainWindow(),"Start Trasform", str(self.start))
if self.start == 1 and self.layervector.featureCount() != 0:
#QMessageBox.information( self.iface.mainWindow(),"Start Trasform","bboxNew")
self.start=2
return bboxNew
else:
#QMessageBox.information( self.iface.mainWindow(),"Start Trasform","bboxMap")
return self.BBOXMap()
else:
self.start=1
if self.start == 1 and self.layervector.featureCount() != 0:
#QMessageBox.information( self.iface.mainWindow(),"No Trasform", "Layer")
self.start=2
return self.layervector.extent()
else:
#QMessageBox.information( self.iface.mainWindow(),"Trasform","bboxMap")
return self.BBOXMap()
except:
#QMessageBox.information( self.iface.mainWindow(),"Prima", "NO Layer attivo , Leggo BBox ultimo")
return self.BBOXMap()
def BBOXMap(self):
readBB = open(self.currentPath + "/BBox.txt","r")
ex = QgsRectangle()
#ex.setXMinimum("%.2f" % float(readBB.readline()))
#ex.setYMinimum("%.2f" % float(readBB.readline()))
#ex.setXMaximum("%.2f" % float(readBB.readline()))
#ex.setYMaximum("%.2f" % float(readBB.readline()))
xmin = float("%.2f" % float(readBB.readline()))
ymin = float("%.2f" % float(readBB.readline()))
xmax = float("%.2f" % float(readBB.readline()))
ymax = float("%.2f" % float(readBB.readline()))
#QMessageBox.information( self.iface.mainWindow(),"Prima", str(xmin))
ex.setXMinimum(xmin)
ex.setYMinimum(ymin)
ex.setXMaximum(xmax)
ex.setYMaximum(ymax)
readBB.close()
#self.start = 1
return ex
#self.w.show()
def writeLastBBox(self,xmin,ymin,xmax,ymax):
self.writeBB = open(self.currentPath + "/BBox.txt","w")
self.writeBB.write(xmin + "\n" + ymin + "\n" + xmax + "\n" + ymax)
self.writeBB.close()
def writeLastConnection(self,LastConnection):
self.writeCon = open(self.currentPath + "/Connection.txt","w")
self.writeCon.write(LastConnection)
self.writeCon.close()
def ChangeExt(self):
#QMessageBox.information( self.iface.mainWindow(),"Prima", "Cambiato")
self.dlg.ui.BBoxTop.setText(str(self.w.ymax()))
self.dlg.ui.BBoxBottom.setText(str(self.w.ymin()))
self.dlg.ui.BBoxRight.setText(str(self.w.xmax()))
self.dlg.ui.BBoxLeft.setText(str(self.w.xmin()))
def outProjFile(self):
format = QString( "<h2>%1</h2>%2 <br/> %3" )
header = QString( "Define layer CRS:" )
sentence1 = self.tr( "Please select the projection system that defines the current layer." )
sentence2 = self.tr( "Layer CRS information will be updated to the selected CRS." )
self.projSelect = QgsGenericProjectionSelector(self, Qt.Widget)
self.projSelect.setMessage( format.arg( header ).arg( sentence1 ).arg( sentence2 ))
if self.projSelect.exec_():
self.projString = self.projSelect.selectedProj4String()
self.epsgString = str(self.projSelect.selectedEpsg())
if self.projString == "":
QMessageBox.information(self, self.tr("Export to new projection"), self.tr("No Valid CRS selected"))
return
else:
self.dlg.ui.txtProjection.clear()
#self.dlg.ui.txtProjection.insert(self.projString)
self.dlg.ui.txtProjection.insert("EPSG:" + self.epsgString)
#QMessageBox.information( self.iface.mainWindow(),"Prima", projString)
else:
return
def ShowMapCanvas (self):
#QMessageBox.information( self.iface.mainWindow(),"HEIGHT", "Ciao")
if self.dlg.ui.widget.extent().xMinimum() != 0:
self.writeLastBBox(str(self.dlg.ui.widget.extent().xMinimum()),str(self.dlg.ui.widget.extent().yMinimum()), str(self.dlg.ui.widget.extent().xMaximum()), str(self.dlg.ui.widget.extent().yMaximum()))
selectedMap = self.dlg.ui.SelectMapcomboBox.currentText()
if selectedMap == "Google Street":
self.layer = QgsRasterLayer(self.currentPath + "/googlemap.xml",'Google Map')
elif selectedMap == "OpenStreetMap":
self.layer = QgsRasterLayer(self.currentPath+ "/osm.xml",'Osm')
elif selectedMap == "Google Satellite":
self.layer = QgsRasterLayer(self.currentPath + "/googlesat.xml",'Google Satellite')
elif selectedMap == "Google Physical":
self.layer = QgsRasterLayer(self.currentPath + "/googlephy.xml",'Google Physical')
#QMessageBox.information( self.iface.mainWindow(),"HEIGHT", home)
self.dlg.ui.widget.setCanvasColor(Qt.white)
self.dlg.ui.widget.enableAntiAliasing(True)
if not self.layer.isValid():
raise IOError, "Failed to open the layer"
self.dlg.ui.widget.refresh()
QgsMapLayerRegistry.instance().addMapLayer(self.layer,False)
ex = self.showMap()
#QMessageBox.information( self.iface.mainWindow(),"HEIGHT", str(ex.xMinimum()))
if (ex.xMinimum() == 0.0 and ex.xMaximum() == 0.0):
self.dlg.ui.widget.setExtent(self.layer.extent())
else:
#QMessageBox.information( self.iface.mainWindow(),"Show map", str(self.showMap().xMinimum()))
#QMessageBox.information( self.iface.mainWindow(),"BBOX", str(ex.xMinimum()))
#self.showMap()
self.dlg.ui.widget.setExtent(ex)
#self.dlg.ui.widget.setExtent(self.BBOXMap())
self.dlg.ui.widget.setLayerSet( [ QgsMapCanvasLayer(self.layer) ] )
#self.setCentralWidget(self.dlg.ui.widget)
#self.iface.setCentralWidget(self.dlg.ui.widget)
actionZoomIn = QAction(QString("Zoom in"), self)
actionZoomOut = QAction(QString("Zoom out"), self)
actionPan = QAction(QString("Pan"), self)
self.toolPan = QgsMapToolPan(self.dlg.ui.widget)
self.toolPan.setAction(actionPan)
self.toolZoomIn = QgsMapToolZoom(self.dlg.ui.widget, False) # false = in
self.toolZoomIn.setAction(actionZoomIn)
self.toolZoomOut = QgsMapToolZoom(self.dlg.ui.widget, True) # true = out
self.toolZoomOut.setAction(actionZoomOut)
self.pan()
return self.layer
def zoomIn(self):
self.dlg.ui.widget.setMapTool(self.toolZoomIn)
#self.dlg.ui.widget.refresh()
def zoomOut(self):
self.dlg.ui.widget.setMapTool(self.toolZoomOut)
#self.dlg.ui.widget.refresh()
def pan(self):
self.dlg.ui.widget.setMapTool(self.toolPan)
#self.dlg.ui.widget.refresh()
def search(self):
city = self.dlg.ui.SearchEdit.displayText()
if city != '':
#url = "http://www.geonames.org/search.html?q=" + str(city)
url = "http://ws.geonames.org/search?q=" + str(city) + "&maxRows=10"
#url = "http://ws.geonames.org/findNearbyPlaceName?lat="+str(lat)+"&lng="+str(long)+"&style=full"
self.page = urlopen(url).read()
self.dlg.ui.tableSearch.setRowCount(10)
name=re.findall('(<'+'name'+'>.*</'+'name'+'>)',self.page)
lat = re.findall('(<'+'lat'+'>.*</'+'lat'+'>)',self.page)
lon = re.findall('(<'+'lng'+'>.*</'+'lng'+'>)',self.page)
country = re.findall('(<'+'countryName'+'>.*</'+'countryName'+'>)',self.page)
self.latlist= []
self.longlist=[]
i=0
for n in name:
na=n.split("<"+'name'+">")[1].split("</"+'name'+">")[0]
#namelist.append(na)
self.dlg.ui.tableSearch.setItem(i,0, QTableWidgetItem(na) )
i+=1
for la in lat:
na=la.split("<"+'lat'+">")[1].split("</"+'lat'+">")[0]
self.latlist.append(na)
for lo in lon:
na=lo.split("<"+'lng'+">")[1].split("</"+'lng'+">")[0]
self.longlist.append(na)
i=0
for co in country:
na=co.split("<"+'countryName'+">")[1].split("</"+'countryName'+">")[0]
self.dlg.ui.tableSearch.setItem(i,1, QTableWidgetItem(na) )
i+=1
else:
QMessageBox.information( self.iface.mainWindow(),"Search", "Please enter a city")
def centerMap(self):
selrow = self.dlg.ui.tableSearch.currentRow( )
try:
latitude = self.latlist[selrow]
longitude = self.longlist[selrow]
latitude = float(latitude)
longitude = float (longitude)
start=QgsCoordinateReferenceSystem()
start.createFromEpsg(4326)
end=QgsCoordinateReferenceSystem()
end.createFromEpsg(900913)
#for i in ind:
center = QgsPoint()
center.setX(longitude)
center.setY(latitude)
newcenter = QgsCoordinateTransform(start,end).transform(center)
self.writeLastBBox(str(newcenter.x() - 1800),str(newcenter.y() - 1800), str(newcenter.x() + 2100), str(newcenter.y() + 2100))
self.dlg.ui.widget.setExtent(self.BBOXMap())
self.dlg.ui.widget.refresh()
except:
QMessageBox.information( self.iface.mainWindow(),"Go","No row selected" )
#self.dlg.ui.widget.panActionEnd(newcenter)
#QMessageBox.information( self.iface.mainWindow(),"Prima",longitude )
def FilterTable(self):
selectedSchema = self.dlg.ui.comboBoxschema.currentText()
rows = self.dlg.ui.tableWidget.rowCount()
#QMessageBox.information( self.iface.mainWindow(),"Prima",str(rows) )
if selectedSchema == 'All':
while rows != 0:
self.dlg.ui.tableWidget.showRow(rows-1)
#QMessageBox.information( self.iface.mainWindow(),"Ciclo",str(rows) )
rows-=1
else:
while rows!=0:
#r = self.dlg.ui.tableWidget.cellWidget(1,5)
r = self.dlg.ui.tableWidget.item(rows-1,1)
#r1 = self.dlg.ui.tableWidget.cellWidget(0,0)
r.text()
#QMessageBox.information( self.iface.mainWindow(),"Nome schema",r.text())
if r.text() != selectedSchema:
self.dlg.ui.tableWidget.setRowHidden(rows-1,True)
else:
self.dlg.ui.tableWidget.showRow(rows-1)
rows-=1
#self.dlg.ui.tableWidget.rowCount()
# run method that performs all the real work
def run(self):
#self.first = 0
#Check if psycopg2 python module is installed.This module is usefull
#to connect to Postgresql/Postgis database
self.currentPath = os.path.dirname( __file__ ).replace("\\", "/")
self.start = 0
try:
import psycopg2
except ImportError, e:
QMessageBox.information(self.iface.mainWindow(), "hey", "Couldn't import Python module 'psycopg2' for communication with PostgreSQL database. Without it you won't be able to run PostGIS manager.")
return
#self.listDatabases()
#self.dbConnectInit("Local")
# create and show the dialog
self.dlg = PostgisBBoxDialog()
self.actionsDb = {}
settings = QSettings()
settings.beginGroup("/PostgreSQL/connections")
keys = settings.childGroups()
for key in keys:
self.actionsDb[unicode(key)] = key
self.dlg.ui.ConnessioniPostgis.addItem(key)
settings.endGroup()
#QObject.connect(self.dlg.ui.ConnectToPostgis, SIGNAL("clicked()"), self.salutare)
QObject.connect(self.dlg.ui.ConnectToPostgis, SIGNAL("clicked()"), self.dbConnect)
QObject.connect(self.dlg.ui.SelectMapcomboBox, SIGNAL("currentIndexChanged(QString)"), self.ShowMapCanvas)
QObject.connect(self.dlg.ui.ZoomIn, SIGNAL("clicked()"), self.zoomIn)
QObject.connect(self.dlg.ui.ZoomOut, SIGNAL("clicked()"), self.zoomOut)
QObject.connect(self.dlg.ui.Pan, SIGNAL("clicked()"), self.pan)
QObject.connect(self.dlg.ui.SearchButton, SIGNAL("clicked()"), self.search)
QObject.connect(self.dlg.ui.goMap, SIGNAL("clicked()"), self.centerMap)
QObject.connect(self.dlg.ui.comboBoxschema, SIGNAL("currentIndexChanged(QString)"), self.FilterTable)
#QObject.connect(self.dlg.ui.BBoxButton, SIGNAL("clicked()"), self.showMap)
try :
if self.view == 1:
self.dlg.ui.ConnessioniPostgis.setCurrentIndex(self.currentindex)
self.dbConnect()
except:
pass
#self.epgslayermap = self.layer.crs().epsg()
self.proj4layermap = self.ShowMapCanvas().crs().toProj4()
#QMessageBox.information( self.iface.mainWindow(),"Prima", str(self.ConnessioniPostgis.count()))
self.dlg.show()
result = self.dlg.exec_()
# See if OK was pressed
if result == 1:
#self.ChangeExt()
#self.first = 0
self.addLayers()
#self.iface.zoomActiveLayer()
#self.writeLastBBox(str(self.dlg.ui.widget.extent().xMinimum()),str(self.dlg.ui.widget.extent().yMinimum()), str(self.dlg.ui.widget.extent().xMaximum()), str(self.dlg.ui.widget.extent().yMaximum()))
# Scrive un file.
if self.lt == 0:
QMessageBox.information( self.iface.mainWindow(),"Waring", "No postigis layer selected")
try:
QgsMapLayerRegistry.instance().removeMapLayer(self.ChangeMapLayer().getLayerID())
except:
pass
try:
self.w.close()
except:
pass
else:
try:
#self.writeLastBBox(str(self.dlg.ui.widget.extent().xMinimum()),str(self.dlg.ui.widget.extent().yMinimum()), str(self.dlg.ui.widget.extent().xMaximum()), str(self.dlg.ui.widget.extent().yMaximum()))
QgsMapLayerRegistry.instance().removeMapLayer(self.ChangeMapLayer().getLayerID())
except:
pass
#self.writeLastBBox(str(self.dlg.ui.widget.extent().xMinimum()),str(self.dlg.ui.widget.extent().yMinimum()), str(self.dlg.ui.widget.extent().xMaximum()), str(self.dlg.ui.widget.extent().yMaximum()))