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from pyjamas.ui.RootPanel import RootPanelCls
from pyjamas.ui.VerticalPanel import VerticalPanel
from pyjamas.ui.SimplePanel import SimplePanel
import pyjamas.DOM
from pyjamas.JSONService import JSONProxy
from pyjamas import Window
from __pyjamas__ import JS
### GOOGLE MAPS WRAPPERS ###
def GMap2(el, options):
if options:
JS("""return new $wnd.GMap2(el,options);""")
else:
JS("""return new $wnd.GMap2(el);""")
def GLatLng(lat,long):
JS("return new $wnd.GLatLng(lat,long);")
def GPolyline(points,color,width):
JS("return new $wnd.GPolyline(points,color,width);")
def jsList():
JS("return [];")
### JQUERY WRAPPERS/HELPERS ###
def jQuery():
JS("return $wnd.jQuery;")
def jsOpts(options):
JS("return {};")
def getStart(ui):
JS("return ui.values[0]")
def getEnd(ui):
JS("return ui.values[1]")
class Greed:
def onModuleLoad(self):
self.remote = DataService()
vPanel = VerticalPanel()
# create div to hold map
mapPanel = SimplePanel()
mapPanel.setSize('700px','400px')
# initiate getting gps data from web2py
self.remote.getPoints(self)
# create slider div
slider = SimplePanel()
self.slider = slider
# add map and slide to main panel
vPanel.add(mapPanel)
vPanel.add(slider)
# add everything to page's GreedyPyJs div
root = RootPanelCls(DOM.getElementById("GreedPyJs"))
root.add(vPanel)
# Create initial google map
self.map = GMap2(mapPanel.getElement())
self.map.setCenter(GLatLng(37.4419, -122.1419), 13)
# create place to hold gps positions
# these will be in tuples: (date, latitude, longitude)
self.positions=[]
def logger(self, event, ui):
"""
When user slides slider, this function will be called
to update the map with the new date range
"""
v1 = getStart(ui)
v2 = getEnd(ui)
self.draw(v1,v2)
def onRemoteResponse(self, response, request_info):
if request_info.method == 'getPoints':
# set the positions variable and draw the slider
self.positions = response
sliderOpts = jsOpts()
sliderOpts.range = True
#sliderOpts.slide = getattr(self, 'logger')
sliderOpts.min = 0
sliderOpts.max = len(response) - 1
sliderOpts.slide = getattr(self,'logger')
jQuery()(self.slider.getElement()).slider(sliderOpts)
def draw(self, start, end):
# Plot the lines on the google map
self.map.clearOverlays()
points = jsList()
for index in range(start,end):
# create a list of gps points
points.push(GLatLng(self.positions[index][1], self.positions[index][2]))
polyline = GPolyline(points, "#ff0000", 2)
self.map.addOverlay(polyline)
self.map.setCenter(GLatLng(self.positions[0][1], self.positions[0][2], 13))
def onRemoteError(self, code, message, request_info):
pass
class DataService(JSONProxy):
def __init__(self):
JSONProxy.__init__(self, "/maps/default/call/jsonrpc", ["getPoints"])
if __name__ == '__main__':
app = Greed()
app.onModuleLoad()
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