/rstlink.py

import os

import wx

import wx.html as html

import subprocess



R2HPATH = 'C:\\work\\process\\docutils\\tools\\'

LISTSDIR = 'C:\\work\\process\\lists'

INPUTPATH = 'C:\\work\\process\\lists\\macapps.rst'



class TestingFrame(wx.Frame):

  '''A simple frame to wrap around the edit panel'''

  def __init__(self, parent=None):

    super(TestingFrame, self).__init__(parent=None)



    self.controller = Controller(self)

    self.panel = RealTimePanel(self, self.controller)



    self.statusbar = wx.StatusBar(self, wx.ID_ANY)

    self.SetStatusBar(self.statusbar)



    self.Bind(wx.EVT_CLOSE, self.OnCloseWindow)



    self.SetSize((500, 800))

    self.SetPosition((100,50))

    self.statusbar.SetLabel('OMGZFTWBBQ!')



  def OnCloseWindow(self, event):

      '''Clean up that memory'''

      self.Destroy()



    

class RealTimePanel(wx.Panel):

  '''A panel to collect the edit & display controls'''

  def __init__(self, parent, controller):

    super(RealTimePanel, self).__init__(parent)



    self.controller = controller

    btnPanel = BtnPanel(self, controller)

    editPanel = EditPanel(self, controller)

    

    b = 5

    hsizer1 = wx.BoxSizer(wx.VERTICAL)

    hsizer1.Add(btnPanel, 0, wx.EXPAND | wx.ALL, b)

    hsizer1.Add(editPanel, 1, wx.EXPAND | wx.ALL, b)



    self.SetSizer(hsizer1)



  def updateHtml(self):

    '''Attempts to compile the text into HTMl

    

    The current text in the edit pane is passed out the rst2html.py

    script, and if it returns valid HTML, that is rendered into the 

    display window.'''

    pass





class BtnPanel(wx.Panel):

  '''Simple horizontal list of the buttons'''

  ID_LOAD = 1001

  ID_SAVE = 1002



  def __init__(self, parent, controller):

    super(BtnPanel, self).__init__(parent)



    self.controller = controller



    btnLink = wx.Button(self, 1001, 'Link')

    btnConvert = wx.Button(self, 1003, 'Convert')

    btnEnable = wx.Button(self, 1003, 'Enable')

    btnDisable = wx.Button(self, 1003, 'Disable')



    btnSizer = wx.BoxSizer(wx.HORIZONTAL)



    btnSizer.Add(btnLink, 0)

    btnSizer.AddSpacer((5,-1))

    btnSizer.Add(btnConvert, 0)

    btnSizer.AddSpacer((5,-1))

    btnSizer.Add(btnEnable, 0)

    btnSizer.AddSpacer((5,-1))

    btnSizer.Add(btnDisable, 0)



    btnLink.Bind(wx.EVT_BUTTON, self.onLink)

    btnConvert.Bind(wx.EVT_BUTTON, self.onUpdate)

    btnEnable.Bind(wx.EVT_BUTTON, self.onEnable)

    btnDisable.Bind(wx.EVT_BUTTON, self.onDisable)



    self.SetSizer(btnSizer)



  def onUpdate(self, event):

    '''docstring for onUpdate'''

    self.controller.updateHtml()

    pass



  def onEnable(self, event):

    '''docstring for onEnable'''

    self.controller.enableTimer()



  def onDisable(self, event):

    '''docstring for onDisable'''

    self.controller.disableTimer()

    pass



  def onLink(self, event):

    '''docstring for onLink'''

    wildcard = "reStructuredText File (*.rst)|*.rst|" \

            "All files (*.*)|*.*"



    dlg = wx.FileDialog(

              self, message="Choose file to link",

              defaultDir=LISTSDIR, 

              defaultFile="",

              wildcard=wildcard,

              style=wx.OPEN | wx.CHANGE_DIR)



    if dlg.ShowModal() == wx.ID_OK:

    # This returns a Python list of files that were selected.

      path = dlg.GetPaths()

      self.controller.linkFile(path[0])



    dlg.Destroy()





class EditPanel(wx.Panel):

  '''Contains the edit control & html display'''

  def __init__(self, parent, controller):

    super(EditPanel, self).__init__(parent)



    self.controller = controller

    controller.editPanel = self



    #self.editControl = wx.TextCtrl(self, style=wx.TE_MULTILINE | 

        #wx.TE_PROCESS_TAB)

    self.outputControl = html.HtmlWindow(self)

    #outputControl = wx.TextCtrl(self, style=wx.TE_MULTILINE)

    

    b = 5

    hsizer1 = wx.BoxSizer(wx.HORIZONTAL)

    #hsizer1.Add(self.editControl, 3, wx.EXPAND | wx.ALL, b)

    hsizer1.Add(self.outputControl, 1, wx.EXPAND | wx.ALL, b)

    self.SetSizer(hsizer1)





class Controller(object):

  '''A controller to allow comunication between controls'''

  def __init__(self, frame):

    '''Set up the timer and disable it to start'''

    self.editPanel = None

    self.inputFile = None

    self.timerEnabled = False

    self.timer = wx.CallLater(1000, self.updateHtml)

    self.timer.Stop()

    self.frame = frame



  def updateHtml(self):

    '''Updates the rendered text in the HTML window

    

    This is done by pulling the input from the TextCtrl and 

    passing it out (via subprocess) to rst2html, then passing

    the output HTML from that call into the window'''

  

    if self.inputFile:

      inputfile = open(self.inputFile, 'r')

      lines = inputfile.read()

    else:

      lines=''



    args = ' --no-generator --no-datestamp --toc-entry-backlinks'

    piper = subprocess.Popen('python rst2html.py' + args, 

      shell=True,stdin=subprocess.PIPE, stdout=subprocess.PIPE, cwd=R2HPATH)



    piper.stdin.write(lines)



    piper.stdin.close()

    self.editPanel.outputControl.SetPage(piper.stdout.read())



    if self.timerEnabled:

      self.timer.Restart()



  def enableTimer(self):

    '''Enable the timer and set the state var'''

    self.timer.Start()

    self.timerEnabled = True



  def disableTimer(self):

    '''Disable the timer and set the state var to match'''

    self.timer.Stop()

    self.timerEnabled = False



  def fname(self):

    '''docstring for fname'''

    pass



  def linkFile(self, fileToLink):

    '''docstring for linkFile'''

    self.inputFile = fileToLink

    fileName = os.path.split(fileToLink)[1]

    self.frame.statusbar.SetLabel('Linked to file: ' + fileName)



    pass



if __name__ == '__main__':

  '''If main'''

  app = wx.App()

  TestingFrame().Show()



  #import wx.lib.inspection

  #inspector = wx.lib.inspection.InspectionTool()

  #inspector.Show()



  app.MainLoop()