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mapillary_viewer.py
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# -*- coding: utf-8 -*-
"""
/***************************************************************************
go2mapillary
A QGIS plugin
mapillary viewer
-------------------
begin : 2016-01-21
git sha : $Format:%H$
copyright : (C) 2016 by enrico ferreguti
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. *
* *
***************************************************************************/
"""
from PyQt5.QtCore import QSettings, QObject, QUrl, QDir, pyqtSignal, pyqtProperty, pyqtSlot
from PyQt5.QtGui import *
from PyQt5.QtWebEngineWidgets import QWebEngineSettings, QWebEngineView
from PyQt5.QtWebChannel import QWebChannel
from qgis.PyQt.QtNetwork import QNetworkProxy
from PyQt5.QtCore import pyqtSlot
from qgis.core import QgsNetworkAccessManager, QgsExpressionContextUtils
from .mapillary_api import ACCESS_TOKEN
from .mapillary_api import getProxySettings, mapillaryApi
from .mapillary_image_info import mapillaryImageInfo
import os
import sys
import json
DEBUG_PORT = '5588'
DEBUG_URL = 'http://127.0.0.1:%s' % DEBUG_PORT
os.environ['QTWEBENGINE_REMOTE_DEBUGGING'] = DEBUG_PORT
class mapillaryViewer(QObject):
messageArrived = pyqtSignal(dict)
openFilter = pyqtSignal()
def __init__(self, parentInstance):
super(mapillaryViewer, self).__init__()
self.parentInstance = parentInstance
self.viewport = parentInstance.dlg.webView
#self.viewport.statusBarMessage.connect(self.getJSONmessage)
#self.viewport.page().javaScriptWindowObjectCleared.connect(self.registerJS)
self.locationKey = None
self.channel = QWebChannel()
self.channel.registerObject('backend', self)
self.viewport.page().setWebChannel(self.channel)
manager = QgsNetworkAccessManager.instance()
WS = self.viewport.settings()
WS.setAttribute(QWebEngineSettings.JavascriptEnabled, True)
WS.setAttribute(QWebEngineSettings.LocalContentCanAccessRemoteUrls, True)
WS.setAttribute(QWebEngineSettings.ErrorPageEnabled, True)
WS.setAttribute(QWebEngineSettings.PluginsEnabled, True)
self.mly_api = mapillaryApi()
self.page = 'https://enricofer.github.io/go2mapillary/res/browser_test.html?accessToken=' + ACCESS_TOKEN
self.openLocation('')
self.enabled = True
self.showWebInspectorAction()
proxy_conf = getProxySettings()
if proxy_conf:
proxy = QNetworkProxy()
if proxy_conf['type'] == "DefaultProxy":
proxy.setType(QNetworkProxy.DefaultProxy)
elif proxy_conf['type'] == "Socks5Proxy":
proxy.setType(QNetworkProxy.Socks5Proxy)
elif proxy_conf['type'] == "HttpProxy":
proxy.setType(QNetworkProxy.HttpProxy)
elif proxy_conf['type'] == "HttpCachingProxy":
proxy.setType(QNetworkProxy.HttpCachingProxy)
elif proxy_conf['type'] == "FtpCachingProxy":
proxy.setType(QNetworkProxy.FtpCachingProxy)
proxy.setHostName(proxy_conf['host'])
proxy.setPort(int(proxy_conf['port']))
proxy.setUser(proxy_conf['user'])
proxy.setPassword(proxy_conf['password'])
QNetworkProxy.setApplicationProxy(proxy)
def showWebInspectorAction(self):
self.inspector = QWebEngineView()
self.inspector.setWindowTitle('Web Inspector')
self.inspector.load(QUrl(DEBUG_URL))
self.viewport.page().setDevToolsPage(self.inspector.page())
self.inspector.show()
self.inspector.raise_()
def registerJS(self):
#self.viewport.page().mainFrame().addToJavaScriptWindowObject("QgisConnection", self)
pass
def open(self, key):
"""
API Dedicated method to open a user specified mapillary_key:
from qgis.utils import plugins
if 'go2mapillary' in plugins:
plugins['go2mapillary'].viewer.open('ub0cIhoZ7apeuyidB5qyyw')
"""
status = self.parentInstance.mainAction.isChecked()
self.parentInstance.dockwidget.show()
self.parentInstance.mainAction.setChecked(status)
self.openLocation(key)
def openLocation(self, key):
print(self.page+'&key=' + str(key))
if not self.locationKey:
self.viewport.setUrl(QUrl(self.page+'&key=' + str(key)))
else:
#js = 'this.key_param = "%s";this.mly.moveToKey(this.key_param).then(function() {},function(e) { console.error(e); })' % key
js = 'this.changeImgKey(%d)' % key
self.viewport.page().runJavaScript(js)
self.updateLocationKey(key)
def updateLocationKey(self,key):
#QgsExpressionContextUtils.setGlobalVariable( "mapillaryCurrentKey",key)
self.locationKey = key
@pyqtSlot(str)
def JSONmessage(self,status):
try:
message = json.JSONDecoder().decode(status)
except:
message = None
if message:
self.messageArrived.emit(message)
@pyqtSlot(str)
def restoreTags(self,key):
print ('restoreTags')
if key:
js = "this.updateTags('%s')" % json.dumps(self.parentInstance.sample_cursor.restoreTags(key))
self.viewport.page().runJavaScript(js)
@pyqtSlot()
def openFilterDialog(self):
self.openFilter.emit()
@pyqtSlot(str)
def setCompareKey(self,key):
self.parentInstance.setCompareKey(key)
@pyqtSlot(str)
def saveImg(self,key):
self.mly_api.download(key)
@pyqtSlot(str)
def openBrowser(self,key):
self.mly_api.browser(key)
@pyqtSlot(str)
def openMarkerForm(self,mly_id):
s,key,id = mly_id.split(':')
self.parentInstance.sample_cursor.editSample('marker',key,id)
@pyqtSlot(str)
def locate(self,key):
mapillaryImageInfo.locate(self.parentInstance,key)
def addTag(self,key,id,color,loc):
self.restoreTags(key)
def addMarkers(self,markers_def):
js = "this.enableMarkers();;this.mHandler.restoreMarkers(JSON.parse('%s'));" % json.dumps(markers_def)
#js = "this.currentHandler.unsubscribe();this.mHandler.subscribe();"
#js += "this.mHandler.restoreMarkers(JSON.parse('%s'));this.currentHandler.subscribe();" % json.dumps(markers_def)
self.viewport.page().runJavaScript(js)
def removeTag(self,key):
self.restoreTags(key)
def removeMarker (self,key,id):
js = "this.mHandler.removeMarker(['id:%s:%s']);" % (key,id)
# print ('REMOVE',js)
self.viewport.page().runJavaScript(js)
def removeSample(self,type,key,id):
if type == 'tag':
self.removeTag()
elif type == 'marker':
self.removeMarker(key,id)
def change_sample(self,featId):
feat = self.parentInstance.sample_cursor.samplesLayer.getFeature(featId)
if feat['cat']:
color = self.parentInstance.sample_settings.settings['categories'][feat['cat']]
else:
color = '#ffffff'
if feat['type'] == 'tag':
js = "this.changeTag('id:%s:%d','%s');" % (feat['key'],feat['id'],color)
elif feat['type'] == 'marker':
loc = feat.geometry().asPoint()
latlon = '{lat:%f,lon:%f}' % (loc.y(),loc.x())
js = "this.mHandler.addOrReplaceViewerMarker('id:%s:%s',%s,'%s');" % (feat['key'],feat['id'],latlon,color)
self.viewport.page().runJavaScript(js)
def enable(self):
print("viewer enabled")
js = 'document.getElementById("focus").classList.add("hidden");'
self.viewport.page().runJavaScript(js)
self.enabled = True
def disable(self):
print("viewer disabled")
js = 'document.getElementById("focus").classList.remove("hidden");'
self.viewport.page().runJavaScript(js)
self.enabled = None
def isEnabled(self):
return self.enabled