main.py

# -*- coding: utf-8 -*-

#######################################################
#
# @Author: Hardik Mehta <hard.mehta@gmail.com>
#
# @version: 0.1 basic script
#
########################################################

from PyQt4.QtCore import QTimer, QString, Qt, SIGNAL, QRect
from PyQt4.QtGui import QPainter, QStyleOptionGraphicsItem, QBrush, QColor, QFont
from PyKDE4.plasma import Plasma
from PyKDE4 import plasmascript

from weatherInfo import WeatherInfo
from conditionMapper import ConditionMapper
from weather import Weather
import images_rc

class WeatherApplet(plasmascript.Applet):
    
    def __init__(self,parent,args=None):
        plasmascript.Applet.__init__(self,parent)
        
        self._wi = WeatherInfo()
        self._mapper = ConditionMapper()
        self._weather = Weather()
        
        self._unit = "SI"
        self._degree_symbol = unichr(176)
        self._image_prefix = ":/images/"
        self._img_width = 16
        self._img_height = 16
        self._big_img_width = 48
        self._big_img_height = 48
        self._fc_column_width = 100        


    def init(self):
        self.setHasConfigurationInterface(False)
        self.setAspectRatioMode(Plasma.IgnoreAspectRatio)        
        
        
        self.resize(400,375)
        
        self.checkWeather()
        
        self.timer = QTimer()
        self.connect(self.timer,SIGNAL("timeout()"),self.checkWeather)
        self.timer.start(0.5*60000)


    def paintInterface(self,painter,option,contentRect):
        # define some parameters
        padding = contentRect.height()/50        
        
        txtFieldWidth = contentRect.height()/2 - 2*padding
        txtFieldHeight = contentRect.height()/20        
        
        
        current_img_width = contentRect.height()/3
        current_img_height = contentRect.height()/3
        
        whiteBrush10p = QBrush(QColor.fromCmyk(0,0,0,0,10))
        whiteBrush20p = QBrush(QColor.fromCmyk(0,0,0,0,20))
        
        
        
        textColor = Plasma.Theme.defaultTheme().color(Plasma.Theme.TextColor)
        bgColor = Plasma.Theme.defaultTheme().color(Plasma.Theme.BackgroundColor)
        textFont = Plasma.Theme.defaultTheme().font(Plasma.Theme.DefaultFont)
        
        # create text rects                
        rect_text_location = QRect(contentRect.left() + padding ,contentRect.top() + 2*padding, txtFieldWidth, txtFieldHeight)
        rect_text_temperature = QRect(contentRect.left() + padding ,contentRect.top() + 3* padding + 1 * txtFieldHeight , txtFieldWidth, txtFieldHeight)
        rect_text_condition = QRect(contentRect.left() + padding ,contentRect.top() + 4* padding + 2 * txtFieldHeight , txtFieldWidth, txtFieldHeight)
        rect_text_humidity = QRect(contentRect.left() + padding ,contentRect.top() +  5* padding + 3 * txtFieldHeight , txtFieldWidth, txtFieldHeight)
        rect_text_wind = QRect(contentRect.left() + padding , contentRect.top() +  6* padding + 4 * txtFieldHeight , txtFieldWidth, txtFieldHeight)
        
        painter.save()                        
        
        painter.setPen(textColor)
        painter.setFont(textFont)
        
        painter.drawText(rect_text_location,Qt.Alignment(Qt.AlignLeft),"Location: " + self._weather.location)               
        painter.drawText(rect_text_temperature,Qt.Alignment(Qt.AlignLeft),"Temperature: " + self._weather.current_temperature)
        painter.drawText(rect_text_condition,Qt.Alignment(Qt.AlignLeft),"Condition: " + self._weather.current_condition)
        painter.drawText(rect_text_humidity,Qt.Alignment(Qt.AlignLeft),self._weather.current_humidity)
        painter.drawText(rect_text_wind,Qt.Alignment(Qt.AlignLeft),self._weather.current_wind)
        
        svg_current = Plasma.Svg()
        svg_current.setImagePath(self._image_prefix + self._mapper.getMappedImageName(self._weather.current_condition))
        svg_current.resize(current_img_width,current_img_height)
        svg_current.paint(painter,contentRect.left() + contentRect.width()/2 + padding,
                                                        contentRect.top() + 2 * padding)
        
        painter.restore()
 
 
 

    def checkWeather(self):
        
        self._wi.parse()        
        self._weather.extractData(self._wi,self._unit)
        self.update()
    

    

def CreateApplet(parent):
    return WeatherApplet(parent)