wxPython App Example II

1. wxPython App Example

import os
import time
import wx
import wx.xrc
import wx_gui as w

def runLater(handler):
	wx.CallAfter(handler)

def runThread(handler):
	import threading
	thread = threading.Thread(target=handler)
	thread.start()

class FileDrop(wx.FileDropTarget):
	def __init__(self, window):
		wx.FileDropTarget.__init__(self)
		self.window = window
	def OnDropFiles(self, x, y, filenames):
		self.window.OnDropFile(filenames)
		return True

class Timer():
	def __init__(self,parent,handler):
		self.timer = wx.Timer(parent)
		parent.Bind( wx.EVT_TIMER, handler, self.timer )
	def start(self,msec):
		self.timer.Start(msec)
	def stop(self):
		self.timer.Stop()
		
class Frame(w.Frame):
	def __init__(self):
		w.Frame.__init__(self,None)
		self.SetFileDropHandler()
		self.SetTimerHandler()
		self.SetListColumn( 
			("File Name", "Size", "Status"), 
			( 360, 80, 80 ),
			( -1, 1, wx.LIST_FORMAT_CENTER ) )
		self.timerCount = 0
		self.threadCount = 0
		
	def SetFileDropHandler(self):
		dropTarget = FileDrop(self)
		self.m_textFile.SetDropTarget(dropTarget)
		self.m_listData.SetDropTarget(dropTarget)

	def SetTimerHandler(self):
		self.timer = Timer( self, self.TimerHandler )
		
	def TimerHandler(self,event):
		self.m_statusBar.SetStatusText( " " + str(self.timerCount), 0 )
		self.timerCount = self.timerCount + 1
		
	def ThreadAction(self):
		self.m_statusBar.SetStatusText( " " + str(self.threadCount), 1 )
		self.threadCount = self.threadCount + 1
		
	def ThreadHandler(self):
		for i in range(100):
			runLater(self.ThreadAction)
			time.sleep(0.5)
		
	def SetListColumn(self,labels,widths,aligns):
		for i in range(len(labels)):
			self.m_listData.AppendColumn( labels[i], format=aligns[i], width=widths[i] )
			
	def AddListRow(self,row):
		self.m_listData.Append( row )
	
	def OnDropFile(self,filenames):
		for f in filenames:		
			if os.path.isfile(f):
				self.AddListRow( (f, os.path.getsize(f), "-") )

	def m_buttonStartOnButtonClick( self, event ):
		self.timer.start(1000)
		runThread(self.ThreadHandler)
		event.Skip()

	def m_buttonStopOnButtonClick( self, event ):
		self.timer.stop()
		event.Skip()

class App(wx.App):
    def OnInit(self):
        frame = Frame()
        frame.Show()
        self.SetTopWindow(frame)
        return True
        
if __name__ == "__main__":
	app = App()
	app.MainLoop()