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import pyjd # dummy in pyjs
from pyjamas.ui.Button import Button
from pyjamas.ui.RootPanel import RootPanel
from pyjamas import Window
from pyjamas.ui.Image import Image
from pyjamas.ui.HTML import HTML
from pyjamas.Canvas2D import Canvas, CanvasImage, ImageLoadListener
from pyjamas.Timer import Timer
from pyjamas import DOM
import time
class Widgets:
def onModuleLoad(self):
img_url = Window.getLocation().getSearchVar("img")
if not img_url:
img_url = 'images/chrome_clock.png'
self.solar = SolarCanvas(img_url)
RootPanel().add(self.solar)
self.onShow()
def onShow(self):
self.solar.isActive = True
self.solar.onTimer()
def onHide(self):
self.solar.isActive = False
class SolarCanvas(Canvas):
def __init__(self, img_url):
Canvas.__init__(self, 300, 300)
self.clock = CanvasImage(img_url)
self.width = 150
self.height = 150
self.loader = ImageLoadListener(self)
self.loader.add(self.clock)
self.isActive = True
self.onTimer()
def onLoad(self, sender=None):
el = self.clock.getElement()
self.width = DOM.getIntAttribute(el, "width")
self.height = DOM.getIntAttribute(el, "height")
self.setWidth("%dpx" % self.width)
self.setHeight("%dpx" % self.height)
def onError(self, sender):
Window.alert("error of some kind (probably missing image at url)")
def onTimer(self, sender=None):
if not self.isActive:
return
Timer(1000, self)
self.draw()
def getTimeSeconds(self):
return time.time() % 60.0
def getTimeMilliseconds(self):
return (time.time() * 1000.0) % 1.0
def getTimeMinutes(self):
return (time.time() / 60) % 60.0
def getTimeHours(self):
return (time.time() / 3600) % 12.0
def draw(self):
pi = 3.14159265358979323
if not self.loader.isLoaded():
return
self.context.globalCompositeOperation = 'destination-over'
# clear canvas
self.context.clearRect(0,0,self.width,self.height)
self.context.save()
self.context.fillStyle = 'rgba(0,0,0,0.4)'
self.context.strokeStyle = 'rgba(0,153,255,0.4)'
self.context.translate(self.width/2,self.height/2)
secs = self.getTimeSeconds()
mins = self.getTimeMinutes() + secs / 60.0
hours = self.getTimeHours() + mins / 60.0
# Seconds
self.context.save()
self.context.fillStyle = 'rgba(255,0,0,0.4)'
self.context.rotate( ((2*pi)/60)*secs + pi)
self.context.fillRect(-1,-(self.width * 0.04),2, self.width * 0.38)
self.context.restore()
# Minutes
self.context.save()
self.context.rotate( ((2*pi)/60)*mins + pi)
self.context.fillRect(-1,-1,3,self.width * 0.35)
self.context.restore()
# Hours
self.context.save()
self.context.rotate( ((2*pi)/12)*hours + pi)
self.context.fillRect(-2,-2,4,self.width * 0.2)
self.context.restore()
self.context.restore()
self.context.drawImage(self.clock.getElement(),0,0)
def AppInit():
img_url = Window.getLocation().getSearchVar("img")
if not img_url:
img_url = 'images/chrome_clock.png'
solar = SolarCanvas(img_url)
solar.isActive = True
solar.onTimer()
return solar
if __name__ == '__main__':
pyjd.setup("./public/Widgets.html")
app = Widgets()
app.onModuleLoad()
pyjd.run()
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