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IDESearchDialog.py
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# -*- coding: utf-8 -*-
"""
/***************************************************************************
Name : IDECANARIAS Search
Description : Perform querys in toponimia
Date : 19/Aug/11
copyright : (C) 2011 by Felix J. Hdez
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. *
* *
***************************************************************************/
http://qgis.org/pyqgis-cookbook/plugins.html
"""
import os, sys, base64, re
import psycopg2
import pprint
import tempfile
import math
from datetime import datetime
from PyQt4 import QtCore, QtGui, QtXml
from PyQt4.QtCore import Qt, SIGNAL
from PyQt4.QtGui import *
from PyQt4.QtCore import *
from PyQt4.QtNetwork import QHttp
from qgis.core import *
import qgis.utils
from form002 import Ui_Dialog as Ui_IDESearch
from Utils import *
class IDESearchDialog(QtGui.QDialog):
"""
"""
def __init__(self, iface):
"""
"""
self.iface = iface
self.canvas = iface.mapCanvas()
QtGui.QDialog.__init__(self)
# Set up the user interface from Designer.
self.ui = Ui_IDESearch()
self.ui.setupUi(self)
self.http = QHttp()
self.httpogr = QHttp()
self.url = QUrl()
self._radio = 0
self._point = None
self._pointutm = None
self.i = None
self.layer = None
self.layerid = ''
self.chkRemote = False
self.tblResultHeader = [QString.fromUtf8('Nombre'), QString.fromUtf8('Clasificación'), QString.fromUtf8('Localización')]
self.ui.tblResult.setHorizontalHeaderLabels(self.tblResultHeader)
#self.connect(self.ui.btnSearch, SIGNAL("clicked()"), self.onClick_btnSearch)
self.connect(self.ui.txtSearch, SIGNAL("returnPressed(void)"), self.onClick_btnSearch)
self.connect(self.ui.tblResult, SIGNAL("cellDoubleClicked(int,int)"), self.onDblClick_tblResult)
#self.connect(self.ui.chkRemote, SIGNAL("clicked()"), self.onClick_chkRemote)
self.connect(self.http, QtCore.SIGNAL("done(bool)"), self.onDone_http)
self.connect(self.httpogr, QtCore.SIGNAL("done(bool)"), self.onDone_httpogr)
self.connect(self.ui.radiodms, SIGNAL("toggled(bool)"), self.__setRadiodms)
self.connect(self.ui.radiodm, SIGNAL("toggled(bool)"), self.__setRadiodm)
self.connect(self.ui.radiod, SIGNAL("toggled(bool)"), self.__setRadiod)
self.connect(self.ui.radioutm, SIGNAL("toggled(bool)"), self.__setRadioutm)
self.connect(self.ui.btnGet, SIGNAL("clicked()"), self.onClick_btnGet)
self.connect(self.ui.btnGo, SIGNAL("clicked()"), self.onClick_btnGo)
self.connect(self.ui.txtCoordinates, SIGNAL("returnPressed(void)"), self.onClick_btnGo)
self.connect(self.ui.btnClipboard, SIGNAL("clicked()"), self.onClick_btnClipboard)
baseDirectory = os.path.dirname(__file__)
fillPath = lambda x: os.path.join(baseDirectory, x)
staticPath, templatePath, databasePath, filenamelog = map(fillPath, ['static', 'templates', '.database', 'idecanarias.log'])
databaseName, databaseUser, databasePassword, databaseHost = open(databasePath).read().splitlines()
self.conn_string = "host='%s' dbname='%s' user='%s' password='%s'" % (databaseHost, databaseName, databaseUser, databasePassword)
# Log file
self.DEBUG = True
self.filenamelog = filenamelog
self.Log("init app")
def Log(self, msg):
"""
"""
if self.DEBUG:
f = open(self.filenamelog, "a")
f.write("%s: %s\n" % (datetime.now(), msg))
f.close()
def alert(self, msg):
"""
"""
QtGui.QMessageBox.warning(self, QString.fromUtf8("Búsquedas IDECANARIAS"), msg)
def __setRadiodms(self, checked):
"""
"""
if checked:
self._radio = 0
self.reverse_action(None)
def __setRadiodm(self, checked):
"""
"""
if checked:
self._radio = 1
self.reverse_action(None)
def __setRadiod(self, checked):
"""
"""
if checked:
self._radio = 2
self.reverse_action(None)
def __setRadioutm(self, checked):
"""
"""
if checked:
self._radio = 3
self.reverse_action(None)
def onClick_chkRemote(self):
"""
"""
self.ui.tblResult.clear()
self.ui.tblResult.setRowCount(0)
self.ui.tblResult.setHorizontalHeaderLabels(self.tblResultHeader)
def onClick_btnClipboard(self):
"""
"""
clipboard = QApplication.clipboard()
clipboard.setText(self.ui.txtCoordinates.text())
def onClick_btnGet(self):
"""
"""
ct = ClickTool(self.iface, self.reverse_action);
self.iface.mapCanvas().setMapTool(ct)
def onClick_btnGo(self):
"""
develop er to parse this:
28º 07' 9.7249'' S, 15º 25' 30.9814'' O
28º 07.16208' S, 15º 25.51637' O
28.11936800, -15.42527283
458232.06, 3110498.55
Algorithm
lat = 45 + (25 / 60) + (2.98 / 3600)
lng = 10 + (11 / 60) + (30.29 / 3600)
"""
lat = None
lng = None
x = None
y = None
texto = self.ui.txtCoordinates.text().toUtf8()
if not texto:
texto = "28º 07' 9.7249'' N, 15º 25' 30.9814'' O"
patterndms = r"^([\d]{1,3})\º ([\d]{1,3})\' ([\d]{1,3}(\.\d+)?)\'\' ([NS]),\s*([\d]{1,3})\º ([\d]{1,3})\' ([\d]{1,3}(\.\d+)?)\'\' ([EO])$"
m = re.match(patterndms, texto)
if m:
lat = int(m.group(1)) + (float(m.group(2)) / 60) + (float(m.group(3)) / 3600)
lng = int(m.group(6)) + (float(m.group(7)) / 60) + (float(m.group(8)) / 3600)
if m.group(5) == "S":
lat = -lat
if m.group(10) == "O":
lng = -lng
self.ui.radiodms.setChecked(True)
patterndm = r"^([\d]{1,3})\º ([\d]{1,3}(\.\d+)?)\' ([NS]),\s*([\d]{1,3})\º ([\d]{1,3}(\.\d+)?)\' ([EO])$"
m = re.match(patterndm, texto)
if m:
lat = int(m.group(1)) + (float(m.group(2)) / 60)
lng = int(m.group(5)) + (float(m.group(6)) / 60)
if m.group(4) == "S":
lat = -lat
if m.group(8) == "O":
lng = -lng
self.ui.radiodm.setChecked(True)
m = re.match(r"^(\-?[\d]{1,3}(\.\d+)?),\s*(\-?[\d]{1,3}(\.\d+)?)$", texto)
if m:
lat = float(m.group(1))
lng = float(m.group(3))
self.ui.radiod.setChecked(True)
# convert to UTM
self.Log("%s, %s (%s)" % (lat, lng, texto))
if lat and lng:
point = QgsPoint(lng, lat)
self._point = point
self._pointutm = pointFromWGS84(point)
x = self._pointutm[0]
y = self._pointutm[1]
m = re.match(r"^(\d+(\.\d+)?),\s*(\d+(\.\d+)?)$", texto)
if m:
x = float(m.group(1))
y = float(m.group(3))
self._pointutm = QgsPoint(x, y)
self._point = pointToWGS84(self._pointutm)
self.ui.radioutm.setChecked(True)
# reverse lat/lon
# Use pdb for debugging
#import pdb
## These lines allow you to set a breakpoint in the app
#pyqtRemoveInputHook()
#pdb.set_trace()
#qDebug('Reversing point %s %s' % (x, y))
if x and y:
# Get current extent
scale = 1
extent = self.canvas.extent()
width = extent.width() * scale
height = extent.height() * scale
# Recenter
rect = QgsRectangle( \
x - width/2.0 \
, y - height/2.0 \
, x + width/2.0 \
, y + height/2.0)
# Set the extent to our new rectangle
self.canvas.setExtent(rect)
# Refresh the map
self.canvas.refresh()
# create layer
if not QgsMapLayerRegistry.instance().mapLayer(self.layerid):
self.layer = QgsVectorLayer("Point", QString.fromUtf8("Resultados de conversión"), "memory")
self.provider = self.layer.dataProvider()
self.layer.setCrs(get_dest_projection())
# add fields
self.provider.addAttributes( [
QgsField("nombre", QVariant.String),
QgsField("x", QVariant.Double),
QgsField("y", QVariant.Double),
] )
# Makes fields visible
self.layer.updateFieldMap()
# Labels on
label = self.layer.label()
label.setLabelField(QgsLabel.Text, 0)
self.layer.enableLabels(True)
# add layer if not already
QgsMapLayerRegistry.instance().addMapLayer(self.layer)
# store layer id
self.layerid = QgsMapLayerRegistry.instance().mapLayers().keys()[-1]
self.canvas.refresh()
text = ""
text, ok = QInputDialog.getText(self, QString.fromUtf8('IDECanarias'), QString.fromUtf8('Introduzca una descripción:'))
# add a feature
fet = QgsFeature()
fet.setGeometry(QgsGeometry.fromPoint(self._pointutm))
fet.setAttributeMap( {
0 : QVariant(str(text)),
1 : QVariant(self._pointutm[0]),
2 : QVariant(self._pointutm[1]),
} )
self.provider.addFeatures([fet])
# update layer's extent when new features have been added
# because change of extent in provider is not propagated to the layer
self.layer.updateExtents()
self.canvas.refresh()
else:
self.alert("Coordenadas incorrectas")
def reverse_action(self, point):
"""
"""
if point and (point != self._pointutm):
self._pointutm = point
if self._pointutm == None:
return
pt = pointToWGS84(self._pointutm)
self._point = pt
latitude = pt[1] # 28....
longitude = pt[0] # -16....
# Convert to deg, min, secs
latitude_sign = 0
if latitude < 0:
latitude_sign = -1
longitude_sign = 0
if longitude < 0:
longitude_sign = -1
latitude_deg = math.floor(math.fabs(latitude))
latitude_min = math.floor((math.fabs(latitude) - latitude_deg) * 60)
latitude_min_ = (math.fabs(latitude) - latitude_deg) * 60
#latitude_sec = math.ceil(((math.fabs(latitude) - latitude_deg) * 60 - latitude_min) * 60)
latitude_sec = ((math.fabs(latitude) - latitude_deg) * 60 - latitude_min) * 60
latitude_dir = "S"
if latitude_sign == 0:
latitude_dir = "N"
longitude_deg = math.floor(math.fabs(longitude))
longitude_min = math.floor((math.fabs(longitude) - longitude_deg) * 60)
longitude_min_ = (math.fabs(longitude) - longitude_deg) * 60
#longitude_sec = math.ceil(((math.fabs(longitude) - longitude_deg) * 60 - longitude_min) * 60)
longitude_sec = ((math.fabs(longitude) - longitude_deg) * 60 - longitude_min) * 60
longitude_dir = "O"
if longitude_sign == 0:
longitude_dir = "E"
data = ""
if self._radio == 0:
data = "%02.0fº %02.0f\' %06.4f\'\' %s, %02.0fº %02.0f\' %06.4f\'\' %s" % (latitude_deg, latitude_min, latitude_sec, latitude_dir, longitude_deg, longitude_min, longitude_sec, longitude_dir)
elif self._radio == 1:
data = "%02.0fº %08.5f\' %s, %02.0fº %08.5f\' %s" % (latitude_deg, latitude_min_, latitude_dir, longitude_deg, longitude_min_, longitude_dir)
elif self._radio == 2:
data = "%.8f, %.8f" % (latitude, longitude)
elif self._radio == 3:
#data = "%s; %s" % ('{0:,.2f}'.format(self._point[0]), '{0:,.2f}'.format(self._point[1]))
data = "%s, %s" % ('{0:.2f}'.format(self._pointutm[0]), '{0:.2f}'.format(self._pointutm[1]))
else:
data = ""
self.ui.txtCoordinates.setText(QString.fromUtf8(data))
def onClick_btnSearch(self):
"""
"""
texto = self.ui.txtSearch.text()
if not texto:
texto = "grafcan"
if self.chkRemote:
self.http.setHost('visor.grafcan.es', 80)
url = QUrl('/busquedas/toponimoxml/1/50/?texto=%s' % texto)
path = url.toEncoded()
self.http.get(str(path))
else:
try:
conn = psycopg2.connect(self.conn_string)
conn.set_client_encoding('LATIN1')
cursor = conn.cursor()
sql = "select * from topo.getbytext('%s',1,50) as (id integer, localizacion text, clasificacion character varying(255), nombre text, descripcion text, rank real, x double precision, y double precision, imagen character varying(64), codigo character varying(10), total bigint)" % texto
cursor.execute(sql)
self.ui.lblResult.setText(self.tr("%1 lugar(es) encontrados").arg(cursor.rowcount) + QString.fromUtf8(" (Haz doble click para ver su localización)"))
self.lid = []
lidd = []
self.ui.tblResult.clear()
self.ui.tblResult.setRowCount(0)
self.ui.tblResult.setHorizontalHeaderLabels(self.tblResultHeader)
for record in cursor.fetchall():
lidd.append("%s - %s [%s]" % (record[3], record[2], record[1]))
self.lid.append(record)
row = self.ui.tblResult.rowCount()
self.ui.tblResult.insertRow(row)
item001 = QTableWidgetItem(record[3])
item002 = QTableWidgetItem(record[2])
item003 = QTableWidgetItem(record[1])
self.ui.tblResult.setItem(row, 0, item001)
self.ui.tblResult.setItem(row, 1, item002)
self.ui.tblResult.setItem(row, 2, item003)
self.ui.tblResult.resizeColumnsToContents()
cursor.close()
except:
exceptionType, exceptionValue, exceptionTraceback = sys.exc_info()
self.alert(self.tr("Database connection failed!\n ->%1").arg(exceptionValue))
def onDblClick_tblResult(self, i, j):
"""
"""
if self.chkRemote:
id = self.lid[i]["id"]
self.i = i
self.httpogr.setHost('visor.grafcan.es', 80)
self.httpogr.get('/busquedas/toponimiagml/1/50/qgis/1/%d/' % int(id))
else:
id = self.lid[i][0]
localizacion = self.lid[i][1]
clasificacion = self.lid[i][2]
nombre = self.lid[i][3]
fngml = "topo.getgml"
try:
conn = psycopg2.connect(self.conn_string)
conn.set_client_encoding('LATIN1')
# GEOM
cursor = conn.cursor()
sql = "select * from %s(%d)" % (fngml, id)
cursor.execute(sql)
row = cursor.fetchone()
gml = ""
if row[0]:
geometria = row[0]
cursor.close()
# FILE
filename = os.path.join(str(QtCore.QDir.tempPath()), "XXXXXX.gml")
file = QtCore.QTemporaryFile(filename)
file.setAutoRemove(False)
if not file.open(QtCore.QFile.WriteOnly | QtCore.QFile.Text):
self.alert(self.tr("No puedo escribir en %1:\n%2.").arg(filename).arg(file.errorString()))
return False
bbox = ""
gml = """<?xml version="1.0" encoding="UTF-8"?>
<wfs:FeatureCollection
xmlns:ms="http://mapserver.gis.umn.edu/mapserver"
xmlns:wfs="http://www.opengis.net/wfs"
xmlns:gml="http://www.opengis.net/gml"
xmlns:ogc="http://www.opengis.net/ogc"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.opengis.net/wfs http://schemas.opengis.net/wfs/1.0.0/WFS-basic.xsd">
<gml:boundedBy>
<gml:Box srsName="EPSG:32628">
<gml:coordinates>%s</gml:coordinates>
</gml:Box>
</gml:boundedBy>
<gml:featureMember>
<ms:capa fid="1">
<ms:Nombre>%s</ms:Nombre>
<ms:Clasificacion>%s</ms:Clasificacion>
<ms:Localizacion>%s</ms:Localizacion>
<ms:msGeometry>%s</ms:msGeometry>
</ms:capa>
</gml:featureMember>
</wfs:FeatureCollection>""" % (bbox, nombre, clasificacion, localizacion, geometria)
outstr = QtCore.QTextStream(file)
outstr.setCodec("UTF-8")
outstr << gml
filename = str(file.fileName())
file.close()
# show in qgis
basename = os.path.basename(filename)
self.iface.addVectorLayer(filename, "%s_%d" % (nombre, id), 'ogr')
src = self.canvas.layers()[0].srs()
dest = self.canvas.mapRenderer().destinationSrs()
coodTrans = QgsCoordinateTransform(src, dest)
extent = self.canvas.layers()[0].extent()
newextent = coodTrans.transform(extent)
self.canvas.setExtent(newextent)
self.canvas.refresh()
except:
exceptionType, exceptionValue, exceptionTraceback = sys.exc_info()
print exceptionType, exceptionValue, exceptionTraceback
self.alert(self.tr("Database connection failed!\n ->%1").arg(exceptionValue))
def onDone_httpogr(self, error):
"""
"""
filename = os.path.join(str(QtCore.QDir.tempPath()), "XXXXXX.gml")
file = QtCore.QTemporaryFile(filename)
file.setAutoRemove(False)
if not file.open(QtCore.QFile.WriteOnly | QtCore.QFile.Text):
self.alert(self.tr("No puedo escribir en %1:\n%2.").arg(filename).arg(file.errorString()))
return False
outstr = QtCore.QTextStream(file)
outstr << self.httpogr.readAll()
filename = str(file.fileName())
file.close()
basename = os.path.basename(filename)
id = None
nombre = None
if self.i <> None:
id = self.lid[self.i]["id"]
nombre = self.lid[self.i]["nombre"]
# show in qgis
basename = os.path.basename(filename)
self.iface.addVectorLayer(filename, "%s_%s" % (nombre, id), 'ogr')
src = self.canvas.layers()[0].srs()
dest = self.canvas.mapRenderer().destinationSrs()
coodTrans = QgsCoordinateTransform(src, dest)
extent = self.canvas.layers()[0].extent()
newextent = coodTrans.transform(extent)
self.canvas.setExtent(newextent)
self.canvas.refresh()
def onDone_http(self, error):
"""
"""
doc = QtXml.QDomDocument("IDE")
response = str(self.http.readAll())
doc.setContent(response)
id = nombre = clasificacion = localizacion = None
self.ui.tblResult.clear()
self.ui.tblResult.setRowCount(0)
self.ui.tblResult.setHorizontalHeaderLabels(self.tblResultHeader)
self.lid = []
lidd = []
root = doc.documentElement()
node = root.firstChild()
while (not node.isNull()):
if(node.toElement().tagName() == "row"):
child = node.firstChild()
while (not child.isNull()):
if(child.toElement().tagName() == "id"):
try:
child2 = child.firstChild()
id = child2.toText().data()
#lidd.append(e["id"])
except:
QMessageBox.warning(self, "Error", "Could not parse xml file. Problem parsing %s." % (child2.toElement().tagName()))
elif (child.toElement().tagName() == "nombre"):
try:
child2 = child.firstChild()
nombre = child2.toText().data()
#lidd.append(e["nombre"])
except:
QMessageBox.warning(self, "Error", "Could not parse xml file. Problem parsing %s." % (child2.toElement().tagName()))
elif (child.toElement().tagName() == "clasificacion"):
try:
child2 = child.firstChild()
clasificacion = child2.toText().data()
except:
QMessageBox.warning(self, "Error", "Could not parse xml file. Problem parsing %s." % (child2.toElement().tagName()))
elif (child.toElement().tagName() == "localizacion"):
try:
child2 = child.firstChild()
localizacion = child2.toText().data()
except:
QMessageBox.warning(self, "Error", "Could not parse xml file. Problem parsing %s." % (child2.toElement().tagName()))
child = child.nextSibling()
e = {'id': id,
'nombre': nombre,
'clasificacion': clasificacion,
'localizacion': localizacion
}
#lidd.append(e["nombre"])
lidd.append("%s - %s [%s]" % (clasificacion, localizacion, nombre))
self.lid.append(e)
row = self.ui.tblResult.rowCount()
self.ui.tblResult.insertRow(row)
item001 = QTableWidgetItem(nombre)
item002 = QTableWidgetItem(clasificacion)
item003 = QTableWidgetItem(localizacion)
self.ui.tblResult.setItem(row, 0, item001)
self.ui.tblResult.setItem(row, 1, item002)
self.ui.tblResult.setItem(row, 2, item003)
node = node.nextSibling()
self.ui.lblResult.setText(self.tr("%1 lugar(es) encontrados").arg(len(self.lid)) + QString.fromUtf8(" (Haz doble click para ver su localización)"))
self.ui.tblResult.resizeColumnsToContents()