basic_app_7.py 文件源码

def onOpen(self, evt=None):
        """This method opens an existing file"""
        print "Open a file: "
        # Create the dialog. In this case the current directory is forced as the starting
        # directory for the dialog, and no default file name is forced. This can easily
        # be changed in your program. This is an 'open' dialog, and allows multiple
        # file selections as well.
        #
        # Finally, if the directory is changed in the process of getting files, this
        # dialog is set up to change the current working directory to the path chosen.
        dlg = wx.FileDialog(
            self, message="Choose a file",
            defaultDir=os.getcwd(), 
            defaultFile="",
            wildcard=wildcard,
            style=wx.OPEN | wx.CHANGE_DIR
            )

        # Show the dialog and retrieve the user response. If it is the OK response, 
        # process the data.
        if dlg.ShowModal() == wx.ID_OK:
            # This returns a Python list of files that were selected.
            path = dlg.GetPath()
            print "I'd be opening file in onOpen ", path
            self.app_logic.file_open( path )
        else :
            print "The file dialog was canceled before anything was selected"

        # Destroy the dialog. Don't do this until you are done with it!
        # BAD things can happen otherwise!
        dlg.Destroy()