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leafletWriter.py
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leafletWriter.py
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# -*- coding: utf-8 -*-
"""
/***************************************************************************
qgis2leaf
A QGIS plugin
QGIS to Leaflet creation program
-------------------
begin : 2014-04-29
copyright : (C) 2013 by Riccardo Klinger
email : riccardo.klinger@geolicious.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 3 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
"""
from PyQt4.QtCore import QSize
import processing
from qgis.core import *
import qgis.utils
import os
from urlparse import parse_qs
import time
import tempfile
import re
from basemaps import basemapLeaflet, basemapAttributions
from leafletFileScripts import *
from leafletLayerScripts import *
from leafletScriptStrings import *
from utils import ALL_ATTRIBUTES, removeSpaces
basemapAddresses = basemapLeaflet()
basemapAttributions = basemapAttributions()
def writeLeaflet(iface, outputProjectFileName, width, height, full, layer_list, visible, opacity_raster, cluster, webpage_name, webmap_head, webmap_subhead, labels, labelhover, selected, json, params, popup):
legends = {}
canvas = iface.mapCanvas()
pluginDir = os.path.dirname(os.path.realpath(__file__))
outputProjectFileName = os.path.join(outputProjectFileName, 'qgis2web_' + unicode(time.time()))
outputIndex = outputProjectFileName + os.sep + 'index.html'
cluster_num = 1
cleanUnusedFields = params["Data export"]["Delete unused fields"]
if not cleanUnusedFields:
usedFields = [ALL_ATTRIBUTES] * len(popup)
else:
usedFields = popup
QgsApplication.initQgis()
mapLibLocation = params["Data export"]["Mapping library location"]
minify = params["Data export"]["Minify GeoJSON files"]
extent = params["Scale/Zoom"]["Extent"]
minZoom = params["Scale/Zoom"]["Min zoom level"]
maxZoom = params["Scale/Zoom"]["Max zoom level"]
scaleDependent = params["Scale/Zoom"]["Use layer scale dependent visibility"]
basemapName = params["Appearance"]["Base layer"]
matchCRS = params["Appearance"]["Match project CRS"]
addressSearch = params["Appearance"]["Add address search"]
locate = params["Appearance"]["Geolocate user"]
measure = params["Appearance"]["Add measure tool"]
dataStore, cssStore = writeFoldersAndFiles(pluginDir, outputProjectFileName, cluster, labels, measure, matchCRS, canvas, mapLibLocation, locate)
writeHTMLstart(outputIndex, webpage_name, cluster, labels, addressSearch, measure, matchCRS, canvas, full, mapLibLocation)
writeCSS(cssStore, full, height, width)
wfsLayers = ""
scaleDependentLayers = ""
exp_crs = QgsCoordinateReferenceSystem(4326, QgsCoordinateReferenceSystem.EpsgCrsId)
for count, i in enumerate(layer_list):
rawLayerName = i.name()
safeLayerName = re.sub('[\W_]+', '', rawLayerName)
layerFileName = dataStore + os.sep + 'json_' + safeLayerName + '.js'
if i.providerType() != 'WFS' or json[count] == True and i:
precision = params["Data export"]["Precision"]
if i.type() == QgsMapLayer.VectorLayer:
qgis.core.QgsVectorFileWriter.writeAsVectorFormat(i, layerFileName, 'utf-8', exp_crs, 'GeoJson', selected, layerOptions=["COORDINATE_PRECISION=" + unicode(precision)])
# now change the data structure to work with leaflet:
with open(layerFileName) as f:
lines = f.readlines()
with open(layerFileName, "w") as f2:
f2.write("var json_" + unicode(safeLayerName) + "=")
for line in lines:
if minify:
line = line.strip("\n\t ")
line = removeSpaces(line)
f2.write(line)
f2.close
# now add the js files as data input for our map
with open(outputIndex, 'a') as f3:
new_src = jsonScript(safeLayerName)
# store everything in the file
f3.write(new_src)
f3.close()
# here comes the raster layers. you need an installed version of gdal
elif i.type() == QgsMapLayer.RasterLayer:
if i.dataProvider().name() != "wms":
in_raster = unicode(i.dataProvider().dataSourceUri())
prov_raster = tempfile.gettempdir() + os.sep + 'json_' + safeLayerName + '_prov.tif'
out_raster = dataStore + os.sep + 'json_' + safeLayerName + '.png'
crsSrc = i.crs()
crsDest = QgsCoordinateReferenceSystem(4326)
xform = QgsCoordinateTransform(crsSrc, crsDest)
extentRep = xform.transform(i.extent())
extentRepNew = ','.join([unicode(extentRep.xMinimum()), unicode(extentRep.xMaximum()), unicode(extentRep.yMinimum()), unicode(extentRep.yMaximum())])
processing.runalg("gdalogr:warpreproject", in_raster, i.crs().authid(), "EPSG:4326", "", 0, 1, 0, -1, 75, 6, 1, False, 0, False, "", prov_raster)
processing.runalg("gdalogr:translate", prov_raster, 100, True, "", 0, "", extentRepNew, False, 0, 0, 75, 6, 1, False, 0, False, "", out_raster)
if scaleDependent and i.hasScaleBasedVisibility():
scaleDependentLayers += scaleDependentLayerScript(i, safeLayerName)
if scaleDependentLayers != "":
scaleDependentLayers = scaleDependentScript(scaleDependentLayers)
# now determine the canvas bounding box
# now with viewcontrol
try:
crsSrc = canvas.mapSettings().destinationCrs()
except:
crsSrc = canvas.mapRenderer().destinationCrs()
crsAuthId = crsSrc.authid()
crsProj4 = crsSrc.toProj4()
middle = ""
if extent == "Canvas extent":
pt0 = canvas.extent()
crsDest = QgsCoordinateReferenceSystem(4326) # WGS 84 / UTM zone 33N
xform = QgsCoordinateTransform(crsSrc, crsDest)
pt1 = xform.transform(pt0)
bbox_canvas = [pt1.yMinimum(), pt1.yMaximum(), pt1.xMinimum(), pt1.xMaximum()]
bounds = '[[' + unicode(pt1.yMinimum()) + ',' + unicode(pt1.xMinimum()) + '],[' + unicode(pt1.yMaximum()) + ',' + unicode(pt1.xMaximum()) + ']]'
middle = openScript()
if matchCRS and crsAuthId != 'EPSG:4326':
middle += crsScript(crsAuthId, crsProj4)
middle += mapScript(extent, matchCRS, crsAuthId, measure, maxZoom, minZoom, bounds)
else:
middle = openScript()
if matchCRS and crsAuthId != 'EPSG:4326':
middle += crsScript(crsAuthId, crsProj4)
middle += mapScript(extent, matchCRS, crsAuthId, measure, maxZoom, minZoom, 0)
middle += featureGroupsScript()
if basemapName == 0 or basemapName == "" or basemapName == "None" or matchCRS:
basemapText = ""
else:
basemapText = basemapsScript(basemapAddresses[basemapName], basemapAttributions[basemapName])
layerOrder = layerOrderScript()
with open(outputIndex, 'a') as f4:
f4.write(middle)
f4.write(basemapText)
f4.write(layerOrder)
f4.close()
for count, i in enumerate(layer_list):
new_field_names = []
rawLayerName = i.name()
safeLayerName = re.sub('[\W_]+', '', rawLayerName)
if i.type() == QgsMapLayer.VectorLayer:
with open(outputIndex, 'a') as f5:
fields = i.pendingFields()
field_names = [field.name() for field in fields]
if usedFields[count] != 0 and usedFields[count] != 1:
for field in field_names:
# for popup_field in usedFields:
if field == usedFields[count]:
new_field_names.append(field)
field_names = new_field_names
html_prov = False
icon_prov = False
label_exp = ''
labeltext = ""
f = ''
if labels[count]:
palyr = QgsPalLayerSettings()
palyr.readFromLayer(i)
f = palyr.fieldName
label_exp = False
if not labelhover:
labeltext = """.bindLabel(feature.properties.""" + unicode(f) + """, {noHide: true})"""
else:
labeltext = """.bindLabel(feature.properties.""" + unicode(f) + """)"""
for field in field_names:
if unicode(field) == 'html_exp':
html_prov = True
table = 'feature.properties.html_exp'
if unicode(field) == 'label_exp' and not labelhover:
label_exp = True
labeltext = """.bindLabel(feature.properties.label_exp, {noHide: true})"""
if unicode(field) == 'label_exp' and labelhover:
label_exp = True
labeltext = """.bindLabel(feature.properties.label_exp)"""
if unicode(f) != "" and unicode(f) == unicode(field) and f:
label_exp = True
if unicode(field) == 'icon_exp':
icon_prov = True
if not html_prov:
tablestart = """'<table>"""
row = ""
for field in field_names:
if unicode(field) == "icon_exp":
row += ""
else:
if i.editorWidgetV2(fields.indexFromName(field)) != QgsVectorLayer.Hidden and i.editorWidgetV2(fields.indexFromName(field)) != 'Hidden':
row += """<tr><th scope="row">""" + i.attributeDisplayName(fields.indexFromName(unicode(field))) + """</th><td>' + Autolinker.link(String(feature.properties['""" + unicode(field) + """'])) + '</td></tr>"""
tableend = """</table>'"""
table = tablestart + row + tableend
if not label_exp:
labeltext = ""
popFuncs = popFuncsScript(table)
new_pop = popupScript(safeLayerName, popFuncs)
layerName = safeLayerName
renderer = i.rendererV2()
try:
rendererDump = renderer.dump()
except:
rendererDump = ""
layer_transp = 1 - (float(i.layerTransparency()) / 100)
new_obj = ""
# single marker points:
if rendererDump[0:6] == 'SINGLE' or rendererDump[0:10] == 'Rule-based':
print "SINGLE"
if rendererDump[0:10] == 'Rule-based':
symbol = renderer.rootRule().children()[0].symbol()
else:
symbol = renderer.symbol()
legendIcon = QgsSymbolLayerV2Utils.symbolPreviewPixmap(symbol, QSize(16, 16))
legendIcon.save(outputProjectFileName + os.sep + "legend" + os.sep + layerName + ".png")
legends[layerName] = """<img src="legend/""" + layerName + """.png" /> """ + i.name()
colorName = symbol.color().name()
symbol_transp = symbol.alpha()
fill_transp = float(symbol.color().alpha()) / 255
fill_opacity = unicode(layer_transp * symbol_transp * fill_transp)
if i.geometryType() == QGis.Point and not icon_prov:
print "POINT"
radius = unicode(symbol.size() * 2)
borderWidth = symbol.symbolLayer(0).outlineWidth()
try:
borderStyle = symbol.symbolLayer(0).outlineStyle()
borderColor = unicode(symbol.symbolLayer(0).borderColor().name())
border_transp = float(symbol.symbolLayer(0).borderColor().alpha()) / 255
except:
borderStyle = ""
borderColor = ""
border_transp = 0
borderOpacity = unicode(layer_transp * symbol_transp * border_transp)
pointToLayer = pointToLayerScript(radius, borderWidth, borderStyle, colorName, borderColor, borderOpacity, fill_opacity, labeltext)
if i.providerType() == 'WFS' and json[count] == False:
stylestr = pointStyleScript(pointToLayer, popFuncs)
new_obj, scriptTag, cluster_num = buildPointWFS(layerName, i.source(), "", stylestr, cluster[count], cluster_num, visible[count])
wfsLayers += wfsScript(scriptTag)
else:
new_obj = jsonPointScript(safeLayerName, pointToLayer, usedFields[count])
if cluster[count]:
new_obj += clusterScript(safeLayerName)
cluster_num += 1
elif i.geometryType() == QGis.Line:
print "LINE"
radius = symbol.width()
penStyle = getLineStyle(symbol.symbolLayer(0).penStyle(), radius)
lineStyle = simpleLineStyleScript(radius, colorName, penStyle, fill_opacity)
if i.providerType() == 'WFS' and json[count] == False:
stylestr = nonPointStylePopupsScript(lineStyle, popFuncs)
new_obj, scriptTag = buildNonPointWFS(layerName, i.source(), "", stylestr, popFuncs, visible[count])
wfsLayers += wfsScript(scriptTag)
else:
new_obj = nonPointStyleFunctionScript(safeLayerName, lineStyle)
new_obj += buildNonPointJSON("", safeLayerName, usedFields[count])
new_obj += restackLayers(layerName, visible[count])
elif i.geometryType() == QGis.Polygon:
print "POLYGON"
borderStyle = ""
if symbol.symbolLayer(0).layerType() == 'SimpleLine' or isinstance(symbol.symbolLayer(0), QgsSimpleLineSymbolLayerV2):
radius = symbol.symbolLayer(0).width()
colorName = 'none'
borderColor = unicode(symbol.color().name())
border_transp = float(symbol.color().alpha()) / 255
else:
radius = symbol.symbolLayer(0).borderWidth()
borderColor = unicode(symbol.symbolLayer(0).borderColor().name())
borderStyle = getLineStyle(symbol.symbolLayer(0).borderStyle(), radius)
border_transp = float(symbol.symbolLayer(0).borderColor().alpha()) / 255
if symbol.symbolLayer(0).borderStyle() == 0:
radius = "0"
if symbol.symbolLayer(0).brushStyle() == 0:
colorName = "none"
borderOpacity = unicode(layer_transp * symbol_transp * border_transp)
polyStyle = singlePolyStyleScript(radius * 4, borderColor, borderOpacity, colorName, borderStyle, fill_opacity)
if i.providerType() == 'WFS' and json[count] == False:
stylestr = nonPointStylePopupsScript(polyStyle, popFuncs)
new_obj, scriptTag = buildNonPointWFS(layerName, i.source(), "", stylestr, popFuncs, visible[count])
wfsLayers += wfsScript(scriptTag)
else:
new_obj = nonPointStyleFunctionScript(safeLayerName, polyStyle)
new_obj += buildNonPointJSON("", safeLayerName, usedFields[count])
new_obj += restackLayers(layerName, visible[count])
elif rendererDump[0:11] == 'CATEGORIZED':
print "CATEGORIZED"
catLegend = i.name() + "<br />"
if i.geometryType() == QGis.Point and not icon_prov:
print "POINT"
categories = renderer.categories()
valueAttr = renderer.classAttribute()
categoryStr = categoryScript(layerName, valueAttr)
for cat in categories:
if not cat.value():
categoryStr += defaultCategoryScript()
else:
categoryStr += eachCategoryScript(cat.value())
symbol = cat.symbol()
legendIcon = QgsSymbolLayerV2Utils.symbolPreviewPixmap(symbol, QSize(16, 16))
safeLabel = re.sub('[\W_]+', '', cat.label())
legendIcon.save(outputProjectFileName + os.sep + "legend" + os.sep + layerName + "_" + safeLabel + ".png")
catLegend += """ <img src="legend/""" + layerName + "_" + safeLabel + """.png" /> """ + cat.label() + "<br />"
symbol_transp = symbol.alpha()
fill_transp = float(symbol.color().alpha()) / 255
fill_opacity = unicode(layer_transp * symbol_transp * fill_transp)
border_transp = float(symbol.symbolLayer(0).borderColor().alpha()) / 255
borderOpacity = unicode(layer_transp * symbol_transp * border_transp)
categoryStr += categorizedPointStylesScript(symbol, fill_opacity, borderOpacity)
categoryStr += endCategoryScript()
if i.providerType() == 'WFS' and json[count] == False:
stylestr = categorizedPointWFSscript(layerName, labeltext, popFuncs)
new_obj, scriptTag, cluster_num = buildPointWFS(layerName, i.source(), categoryStr, stylestr, cluster[count], cluster_num, visible[count])
wfsLayers += wfsScript(scriptTag)
else:
new_obj = categoryStr + categorizedPointJSONscript(safeLayerName, labeltext, usedFields[count])
if cluster[count] == True:
new_obj += clusterScript(safeLayerName)
cluster_num += 1
elif i.geometryType() == QGis.Line:
print "LINE"
categories = renderer.categories()
valueAttr = renderer.classAttribute()
categoryStr = categoryScript(layerName, valueAttr)
for cat in categories:
if not cat.value():
categoryStr += defaultCategoryScript()
else:
categoryStr += eachCategoryScript(cat.value())
# categoryStr += "radius: '" + unicode(cat.symbol().size() * 2) + "',"
symbol = cat.symbol()
legendIcon = QgsSymbolLayerV2Utils.symbolPreviewPixmap(symbol, QSize(16, 16))
safeLabel = re.sub('[\W_]+', '', cat.label())
legendIcon.save(outputProjectFileName + os.sep + "legend" + os.sep + layerName + "_" + safeLabel + ".png")
catLegend += """ <img src="legend/""" + layerName + "_" + safeLabel + """.png" /> """ + cat.label() + "<br />"
symbol_transp = symbol.alpha()
fill_transp = float(symbol.color().alpha()) / 255
fill_opacity = unicode(layer_transp * symbol_transp * fill_transp)
categoryStr += categorizedLineStylesScript(symbol, fill_opacity)
categoryStr += endCategoryScript()
stylestr = categorizedNonPointStyleFunctionScript(layerName, popFuncs)
if i.providerType() == 'WFS' and json[count] == False:
new_obj, scriptTag = buildNonPointWFS(layerName, i.source(), categoryStr, stylestr, popFuncs, visible[count])
wfsLayers += wfsScript(scriptTag)
else:
new_obj = buildNonPointJSON(categoryStr, safeLayerName, usedFields[count])
elif i.geometryType() == QGis.Polygon:
print "POLYGON"
categories = renderer.categories()
valueAttr = renderer.classAttribute()
categoryStr = categoryScript(layerName, valueAttr)
for cat in categories:
if not cat.value():
categoryStr += defaultCategoryScript()
else:
categoryStr += eachCategoryScript(cat.value())
symbol = cat.symbol()
legendIcon = QgsSymbolLayerV2Utils.symbolPreviewPixmap(symbol, QSize(16, 16))
safeLabel = re.sub('[\W_]+', '', cat.label())
legendIcon.save(outputProjectFileName + os.sep + "legend" + os.sep + layerName + "_" + safeLabel + ".png")
catLegend += """ <img src="legend/""" + layerName + "_" + safeLabel + """.png" /> """ + cat.label() + "<br />"
symbol_transp = symbol.alpha()
border_transp = float(symbol.symbolLayer(0).borderColor().alpha()) / 255
borderOpacity = unicode(layer_transp * symbol_transp * border_transp)
fill_transp = float(symbol.color().alpha()) / 255
fill_opacity = unicode(layer_transp * symbol_transp * fill_transp)
categoryStr += categorizedPolygonStylesScript(symbol, fill_opacity, borderOpacity)
categoryStr += endCategoryScript()
if i.providerType() == 'WFS' and json[count] == False:
stylestr = categorizedNonPointStyleFunctionScript(layerName, popFuncs)
new_obj, scriptTag = buildNonPointWFS(layerName, i.source(), categoryStr, stylestr, popFuncs, visible[count])
wfsLayers += wfsScript(scriptTag)
else:
new_obj = buildNonPointJSON(categoryStr, safeLayerName, usedFields[count])
legends[layerName] = catLegend
elif rendererDump[0:9] == 'GRADUATED':
print "GRADUATED"
catLegend = i.name() + "<br />"
categoryStr = graduatedStyleScript(layerName)
if i.geometryType() == QGis.Point and not icon_prov:
print "POINT"
valueAttr = renderer.classAttribute()
for r in renderer.ranges():
symbol = r.symbol()
legendIcon = QgsSymbolLayerV2Utils.symbolPreviewPixmap(symbol, QSize(16, 16))
safeLabel = re.sub('[\W_]+', '', r.label())
legendIcon.save(outputProjectFileName + os.sep + "legend" + os.sep + layerName + "_" + safeLabel + ".png")
catLegend += """ <img src="legend/""" + layerName + "_" + safeLabel + """.png" /> """ + r.label() + "<br />"
symbol_transp = symbol.alpha()
border_transp = float(symbol.symbolLayer(0).borderColor().alpha()) / 255
borderOpacity = unicode(layer_transp * symbol_transp * border_transp)
fill_transp = float(symbol.color().alpha()) / 255
fill_opacity = unicode(layer_transp * symbol_transp * fill_transp)
categoryStr += graduatedPointStylesScript(valueAttr, r, symbol, fill_opacity, borderOpacity)
categoryStr += endGraduatedStyleScript()
if i.providerType() == 'WFS' and json[count] == False:
stylestr = categorizedPointWFSscript(layerName, labeltext, popFuncs)
new_obj, scriptTag, cluster_num = buildPointWFS(layerName, i.source(), categoryStr, stylestr, cluster[count], cluster_num, visible[count])
wfsLayers += wfsScript(scriptTag)
else:
new_obj = categoryStr + categorizedPointJSONscript(safeLayerName, labeltext, usedFields[count])
# add points to the cluster group
if cluster[count] == True:
new_obj += clusterScript(safeLayerName)
cluster_num += 1
elif i.geometryType() == QGis.Line:
print "LINE"
valueAttr = renderer.classAttribute()
for r in renderer.ranges():
symbol = r.symbol()
legendIcon = QgsSymbolLayerV2Utils.symbolPreviewPixmap(symbol, QSize(16, 16))
safeLabel = re.sub('[\W_]+', '', r.label())
legendIcon.save(outputProjectFileName + os.sep + "legend" + os.sep + layerName + "_" + safeLabel + ".png")
catLegend += """ <img src="legend/""" + layerName + "_" + safeLabel + """.png" /> """ + r.label() + "<br />"
legendIcon = QgsSymbolLayerV2Utils.symbolPreviewPixmap(symbol, QSize(16, 16))
legendIcon.save(outputProjectFileName + os.sep + "legend" + os.sep + layerName + "_" + unicode(r.label()) + ".png")
symbol_transp = symbol.alpha()
fill_transp = float(symbol.color().alpha()) / 255
fill_opacity = unicode(layer_transp * symbol_transp * fill_transp)
categoryStr += graduatedLineStylesScript(valueAttr, r, categoryStr, symbol, fill_opacity)
categoryStr += endGraduatedStyleScript()
if i.providerType() == 'WFS' and json[count] == False:
stylestr = categorizedNonPointStyleFunctionScript(layerName, popFuncs)
new_obj, scriptTag = buildNonPointWFS(layerName, i.source(), categoryStr, stylestr, popFuncs, visible[count])
wfsLayers += wfsScript(scriptTag)
else:
new_obj = buildNonPointJSON(categoryStr, safeLayerName, usedFields[count])
elif i.geometryType() == QGis.Polygon:
print "POLYGON"
valueAttr = renderer.classAttribute()
for r in renderer.ranges():
symbol = r.symbol()
legendIcon = QgsSymbolLayerV2Utils.symbolPreviewPixmap(symbol, QSize(16, 16))
safeLabel = re.sub('[\W_]+', '', r.label())
legendIcon.save(outputProjectFileName + os.sep + "legend" + os.sep + layerName + "_" + safeLabel + ".png")
catLegend += """ <img src="legend/""" + layerName + "_" + safeLabel + """.png" /> """ + r.label() + "<br />"
legendIcon = QgsSymbolLayerV2Utils.symbolPreviewPixmap(symbol, QSize(16, 16))
legendIcon.save(outputProjectFileName + os.sep + "legend" + os.sep + layerName + "_" + unicode(r.label()) + ".png")
symbol_transp = symbol.alpha()
border_transp = float(symbol.symbolLayer(0).borderColor().alpha()) / 255
borderOpacity = unicode(layer_transp * symbol_transp * border_transp)
fill_transp = float(symbol.color().alpha()) / 255
fill_opacity = unicode(layer_transp * symbol_transp * fill_transp)
categoryStr += graduatedPolygonStylesScript(valueAttr, r, symbol, fill_opacity, borderOpacity)
categoryStr += endGraduatedStyleScript()
if i.providerType() == 'WFS' and json[count] == False:
stylestr = categorizedNonPointStyleFunctionScript(layerName, popFuncs)
new_obj, scriptTag = buildNonPointWFS(layerName, i.source(), categoryStr, stylestr, popFuncs, visible[count])
wfsLayers += wfsScript(scriptTag)
else:
new_obj = buildNonPointJSON(categoryStr, safeLayerName, usedFields[count])
legends[layerName] = catLegend
else:
print "No renderer"
# elif rendererDump[0:10] == 'Rule-based':
# for rule in renderer.rootRule().children():
# try:
# print rule.filterExpression() + ": " + rule.filter().functionCount()
# except:
# print 11111
# print renderer.rootRule().filterExpression()
# categoryStr = """
# function doStyle""" + layerName + "(feature) {"
# for r in renderer.rootRule().children():
# symbol = r.symbol()
# filterExpression = r.filterExpression()
# filterExpression = re.sub('=', '==', filterExpression)
# categoryStr += """
# if (""" + filterExpression + """) {
# return {
# radius: '""" + unicode(symbol.size() * 2) + """',
# fillColor: '""" + unicode(symbol.color().name()) + """',
# color: '""" + unicode(symbol.symbolLayer(0).borderColor().name())+ """',
# weight: 1,
# fillOpacity: '""" + unicode(symbol.alpha()) + """',
# }
# }"""
# categoryStr += """
# }"""
# if i.providerType() == 'WFS' and json[count] == False:
# stylestr="""
# pointToLayer: function (feature, latlng) {
# return L.circleMarker(latlng, doStyle""" + layerName + """(feature))"""+labeltext+"""
# },
# onEachFeature: function (feature, layer) {"""+popFuncs+"""
# }"""
# new_obj, scriptTag, cluster_num = buildPointWFS(layerName, i.source(), categoryStr, stylestr, cluster[count], cluster_num, visible[count])
# wfsLayers += """
# <script src='""" + scriptTag + """'></script>"""
# else:
# new_obj = categoryStr + """
# var json_""" + safeLayerName + """JSON = new L.geoJson(json_""" + safeLayerName + """,{
# onEachFeature: pop_""" + safeLayerName + """,
# pointToLayer: function (feature, latlng) {
# return L.circleMarker(latlng, doStyle""" + safeLayerName + """(feature))"""+labeltext+"""
# }
# });"""
# #add points to the cluster group
# if cluster[count] == True:
# new_obj += """
# var cluster_group"""+ safeLayerName + """JSON= new L.MarkerClusterGroup({showCoverageOnHover: false});
# cluster_group"""+ safeLayerName + """JSON.addLayer(json_""" + safeLayerName + """JSON);"""
# cluster_num += 1
if icon_prov and i.geometryType() == QGis.Point:
new_obj = customMarkerScript(safeLayerName, labeltext, usedFields[count])
if cluster[count] == True:
new_obj += clusterScript(safeLayerName)
cluster_num += 1
# else:
# new_obj = """
# var json_""" + safeLayerName + """JSON = new L.geoJson(json_""" + safeLayerName + """,{
# onEachFeature: pop_""" + safeLayerName + """,
# });"""
if (i.providerType() != 'WFS' or json[count] == True) and usedFields[count] != 0:
f5.write(new_pop)
f5.write("""
""" + new_obj)
f5.write("""
bounds_group.addLayer(json_""" + safeLayerName + """JSON);""")
if visible[count]:
if cluster[count] == False:
f5.write("""
//add comment sign to hide this layer on the map in the initial view.
feature_group.addLayer(json_""" + safeLayerName + """JSON);""")
else:
f5.write("""
//add comment sign to hide this layer on the map in the initial view.
cluster_group""" + safeLayerName + """JSON.addTo(map);""")
else:
if cluster[count] == False:
if i.geometryType() == QGis.Point:
f5.write("""
//delete comment sign to show this layer on the map in the initial view.
//feature_group.addLayer(json_""" + safeLayerName + """JSON);""")
if i.geometryType() != 0:
f5.write("""
//delete comment sign to show this layer on the map in the initial view.
//feature_group.addLayer(json_""" + safeLayerName + """JSON);""")
else:
f5.write("""
//delete comment sign to show this layer on the map in the initial view.
//cluster_group""" + safeLayerName + """JSON.addTo(map);""")
f5.close()
elif i.type() == QgsMapLayer.RasterLayer:
if i.dataProvider().name() == "wms":
d = parse_qs(i.source())
wms_url = d['url'][0]
wms_layer = d['layers'][0]
wms_format = d['format'][0]
wms_crs = d['crs'][0]
new_obj = wmsScript(safeLayerName, wms_url, wms_layer, wms_format)
else:
out_raster_name = 'data/' + 'json_' + safeLayerName + '.png'
pt2 = i.extent()
crsSrc = i.crs() # WGS 84
crsDest = QgsCoordinateReferenceSystem(4326) # WGS 84 / UTM zone 33N
xform = QgsCoordinateTransform(crsSrc, crsDest)
pt3 = xform.transform(pt2)
bbox_canvas2 = [pt3.yMinimum(), pt3.yMaximum(), pt3.xMinimum(), pt3.xMaximum()]
bounds2 = '[[' + unicode(pt3.yMinimum()) + ',' + unicode(pt3.xMinimum()) + '],[' + unicode(pt3.yMaximum()) + ',' + unicode(pt3.xMaximum()) + ']]'
new_obj = rasterScript(safeLayerName, out_raster_name, bounds2)
if visible[count]:
new_obj += """
raster_group.addLayer(overlay_""" + safeLayerName + """);"""
with open(outputIndex, 'a') as f5_raster:
f5_raster.write(new_obj)
f5_raster.close()
with open(outputIndex, 'a') as f5fgroup:
f5fgroup.write("""
raster_group.addTo(map);
feature_group.addTo(map);""")
f5fgroup.close()
with open(outputIndex, 'a') as f5scaleDependent:
f5scaleDependent.write(scaleDependentLayers)
f5scaleDependent.close()
if webmap_head != "":
titleStart = titleSubScript(webmap_head, webmap_subhead)
with open(outputIndex, 'a') as f5contr:
f5contr.write(titleStart)
f5contr.close()
if addressSearch:
address_text = addressSearchScript()
with open(outputIndex, 'a') as f5addr:
f5addr.write(address_text)
f5addr.close()
# let's add layer control
if params["Appearance"]["Add layers list"]:
if len(basemapName) == 0 or basemapName == "None" or matchCRS:
controlStart = """
var baseMaps = {};"""
else:
controlStart = """
var baseMaps = {
'""" + unicode(basemapName) + """': basemap
};"""
# if len(basemapName) > 1:
# controlStart = """
# var baseMaps = {"""
# for l in range(0,len(basemapName)):
# if l < len(basemapName)-1:
# controlStart+= """
# '""" + unicode(basemapName[l]) + """': basemap_""" + unicode(l) + ""","""
# if l == len(basemapName)-1:
# controlStart+= """
# '""" + unicode(basemapName[l]) + """': basemap_""" + unicode(l) + """};"""
# if len
# control_basemap = """
# var baseMaps = {"""
# for l in range(0,len(basemapName)):
if len(basemapName) == 0 or basemapName == "None":
controlStart += """
L.control.layers({},{"""
else:
controlStart += """
L.control.layers(baseMaps,{"""
with open(outputIndex, 'a') as f6:
f6.write(controlStart)
f6.close()
for count, i in enumerate(reversed(layer_list)):
try:
testDump = i.rendererV2().dump()
rawLayerName = i.name()
safeLayerName = re.sub('[\W_]+', '', rawLayerName)
if i.type() == QgsMapLayer.VectorLayer:
with open(outputIndex, 'a') as f7:
if cluster[count] == True and i.geometryType() == QGis.Point:
new_layer = "'" + legends[safeLayerName] + "'" + ": cluster_group""" + safeLayerName + """JSON,"""
else:
new_layer = "'" + legends[safeLayerName] + "'" + ": json_" + safeLayerName + """JSON,"""
f7.write(new_layer)
f7.close()
elif i.type() == QgsMapLayer.RasterLayer:
with open(outputIndex, 'a') as f7:
new_layer = '"' + rawLayerName + '"' + ": overlay_" + safeLayerName + ""","""
f7.write(new_layer)
f7.close()
except:
pass
controlEnd = "},{collapsed:false}).addTo(map);"
with open(outputIndex, 'rb+') as f8:
f8.seek(-1, os.SEEK_END)
f8.truncate()
f8.write(controlEnd)
f8.close()
if opacity_raster:
opacityStart = """
function updateOpacity(value) {
"""
with open(outputIndex, 'a') as f9:
f9.write(opacityStart)
f9.close()
for i in layer_list:
rawLayerName = i.name()
safeLayerName = re.sub('[\W_]+', '', rawLayerName)
if i.type() == QgsMapLayer.RasterLayer:
with open(outputIndex, 'a') as f10:
new_opc = """
overlay_""" + safeLayerName + """.setOpacity(value);"""
f10.write(new_opc)
f10.close()
opacityEnd = """}"""
with open(outputIndex, 'rb+') as f11:
f11.seek(-1, os.SEEK_END)
f11.truncate()
f11.write(opacityEnd)
f11.close()
if locate:
end = locateScript()
else:
end = ''
# let's close the file but ask for the extent of all layers if the user wants to show only this extent:
if extent == 'Fit to layers extent':
end += """
map.fitBounds(bounds_group.getBounds());"""
if params["Appearance"]["Add scale bar"]:
end += """
L.control.scale({options: {position: 'bottomleft',maxWidth: 100,metric: true,imperial: false,updateWhenIdle: false}}).addTo(map);"""
end += endHTMLscript(wfsLayers)
with open(outputIndex, 'a') as f12:
f12.write(end)
f12.close()
return outputIndex