SimpleTkinterGui.py

import Tkinter, Tkconstants, tkFileDialog
import DFS_BFS

class TkFileDialogExample(Tkinter.Frame):

  adjPath = ''
  infoPath = ''
  res = []
  def __init__(self, root):

    self.stepIdx=0
    
    Tkinter.Frame.__init__(self, root)
    # define buttons
    Tkinter.Button(self, text='Open Adj Matrix', command=self.openAdj).grid(row=0, column=0)
    Tkinter.Button(self, text='Open Info Matrix', command=self.openInfo).grid(row=1, column=0)
    Tkinter.Button(self, text='BFS', command=self.doBFS).grid(row=3, column=0, padx=5, pady=5)
    Tkinter.Button(self, text='DFS', command=self.doDFS).grid(row=3, column=1, padx=5, pady=5)

    #Step control
    Tkinter.Button(self, text='Next Step', command=self.showNextStep).grid(row=5, column=0, padx=5, pady=5)
    Tkinter.Button(self, text='Show Rest', command=self.showRest).grid(row=5, column=1, padx=5, pady=5)
    Tkinter.Button(self, text='Clear', command=self.clean).grid(row=6, column=0, padx=5, pady=5)
    Tkinter.Button(self, text='Write to File', command=self.writeFile).grid(row=6, column=1, padx=5, pady=5)

    #define texts
    self.adjPathText = Tkinter.Text(self, height=1, width=70)
    self.adjPathText.grid(row=0, column=1);
    self.adjPathText.config(highlightbackground="gray")

    self.infoPathText = Tkinter.Text(self, height=1, width=70)
    self.infoPathText.grid(row=1, column=1);
    self.infoPathText.config(highlightbackground="gray")


    self.infoBox = Tkinter.Text(self, height=40, width=86)
    self.infoBox.grid(row=4, column=0, columnspan=2);
    self.infoBox.config(highlightbackground="gray")

    # define options for opening or saving a file
    self.file_opt = options = {}
    options['defaultextension'] = '.txt'
    options['filetypes'] = [('all files', '.*'), ('text files', '.txt')]
    options['initialfile'] = 'results.txt'
    options['parent'] = root
    options['title'] = 'This is a title'
    options['initialdir'] = './DataAssignment_1/'

    # This is only available on the Macintosh, and only when Navigation Services are installed.
    #options['message'] = 'message'

    # if you use the multiple file version of the module functions this option is set automatically.
    #options['multiple'] = 1

    # defining options for opening a directory
    self.dir_opt = options = {}
    options['initialdir'] = './'
    options['mustexist'] = False
    options['parent'] = root
    options['title'] = 'This is a title'

  def openAdj(self):
    self.adjPath = tkFileDialog.askopenfilename(**self.file_opt)
    self.adjPathText.delete("1.0",Tkinter.END);
    self.adjPathText.insert(Tkinter.END, self.adjPath);
  def openInfo(self):
    self.infoPath = tkFileDialog.askopenfilename(**self.file_opt)
    self.infoPathText.delete("1.0",Tkinter.END);
    self.infoPathText.insert(Tkinter.END, self.infoPath);

  def doBFS(self):
      if self.adjPath == '' or self.infoPath == '':
          self.infoBox.insert(Tkinter.END, "[ERROR] No adj file or info path loaded\n")
          return;

      #reset
      self.infoBox.delete("1.0",Tkinter.END);
      self.infoBox.insert(Tkinter.END, "Processing ...")

      graph = DFS_BFS.GraphSearcher()
      graph.init(self.adjPath, self.infoPath)
      graph.BFS()
      self.res = graph.getRes()
      self.infoBox.insert(Tkinter.END, "DONE\n")
      #self.infoBox.insert(Tkinter.END, "".join(graph.getRes()));


  def doDFS(self):
      if self.adjPath == '' or self.infoPath == '':
          self.infoBox.insert(Tkinter.END, "[ERROR] No adj file or info path loaded\n")
          return;
      #reset
      self.infoBox.delete("1.0",Tkinter.END);
      self.infoBox.insert(Tkinter.END, "Processing ...")

      graph = DFS_BFS.GraphSearcher()
      graph.init(self.adjPath, self.infoPath)
      graph.DFS()
      self.res = graph.getRes()
      self.infoBox.insert(Tkinter.END, "DONE\n")

  def showNextStep(self):
      if self.stepIdx < len(self.res):
          processIdxStr = '['+str(self.stepIdx+1)+'/'+str(len(self.res))+'] '
          self.infoBox.insert(Tkinter.END, processIdxStr+self.res[self.stepIdx])
          self.infoBox.see(Tkinter.END)
          self.stepIdx = self.stepIdx+1

  def showRest(self):
      for self.stepIdx in range(0, len(self.res)):
          processIdxStr = '['+str(self.stepIdx+1)+'/'+str(len(self.res))+'] '
          self.infoBox.insert(Tkinter.END, processIdxStr+self.res[self.stepIdx])
          self.infoBox.see(Tkinter.END)
      self.stepIdx=self.stepIdx+1;

  def clean(self):
      self.stepIdx = 0
      self.infoBox.delete("1.0",Tkinter.END);
  def writeFile(self):
    writeFileName = tkFileDialog.asksaveasfilename(**self.file_opt)
    f = open(writeFileName, 'w')
    f.write("".join(self.res))



if __name__=='__main__':
  root = Tkinter.Tk()
  TkFileDialogExample(root).pack()