apis/examples_python/interrupt__gui_8py_source.html

import wx

import threading

from gams import *


class TextCtrlWriter():

    def __init__(self, textCtrl):

        self.textCtrl = textCtrl


    def write(self, text):

        self.textCtrl.AppendText(text)


    def flush(self):

        self.textCtrl.Update()

        self.textCtrl.Refresh()


class InterruptGui(wx.Frame):


    def close(self, event):

        self.Close()


    def cancel(self, event):

        self.t1.interrupt()


    def run_gams(self):

        writer = TextCtrlWriter(self.log)

        ws = GamsWorkspace()

        ws.gamslib("lop")

        opt = ws.add_options()

        opt.all_model_types = "soplex"

        self.t1 = ws.add_job_from_file("lop.gms")

        self.t1.run(opt, output=writer)

        self.bu_run.Enable()

        self.bu_cancel.Disable()

        self.bu_close.Enable()


    def run(self, event):

        self.log.Clear()

        self.bu_run.Disable()

        self.bu_close.Disable()

        self.bu_cancel.Enable()

        threading.Thread(target=self.run_gams).start()


    def __init__(self, parent, id, title, size):

        wx.Frame.__init__(self, parent, id, title, size=size)

        self.SetBackgroundColour('lightgrey')


        wx.StaticText(self, -1, "GAMS Log:", (10, 10))

        self.log = wx.TextCtrl(self, pos=(10, 30), size=(565, 485),  style=wx.TE_MULTILINE)


        self.bu_run = wx.Button(self, -1, "Run", (10,520), (137, 33))

        self.bu_run.Bind(wx.EVT_BUTTON, self.run)


        self.bu_cancel = wx.Button(self, -1, "Cancel", (360,520), (105, 33))

        self.bu_cancel.Bind(wx.EVT_BUTTON, self.cancel)

        self.bu_cancel.Disable()


        self.bu_close = wx.Button(self, -1, "Close", (470,520), (105, 33))

        self.bu_close.Bind(wx.EVT_BUTTON, self.close)


if __name__ == '__main__':

    app = wx.PySimpleApp()

    frame = InterruptGui(None, -1, 'Interrupt Example', (600, 600))

    frame.Show()

    app.MainLoop();