#!/usr/bin/env python
# -*- coding: utf-8 -*-

#This file is part of PLCOpenEditor, a library implementing an IEC 61131-3 editor
#based on the plcopen standard. 
#
#Copyright (C) 2007: Edouard TISSERANT and Laurent BESSARD
#
#See COPYING file for copyrights details.
#
#This library is free software; you can redistribute it and/or
#modify it under the terms of the GNU General Public
#License as published by the Free Software Foundation; either
#version 2.1 of the License, or (at your option) any later version.
#
#This library is distributed in the hope that it will be useful,
#but WITHOUT ANY WARRANTY; without even the implied warranty of
#MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
#General Public License for more details.
#
#You should have received a copy of the GNU General Public
#License along with this library; if not, write to the Free Software
#Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

import wx

from VariablePanel import VariablePanel

class EditorPanel(wx.SplitterWindow):
    
    ID = wx.NewId()
    VARIABLE_PANEL_TYPE = None
    
    if wx.VERSION < (2, 6, 0):
        def Bind(self, event, function, id = None):
            if id is not None:
                event(self, id, function)
            else:
                event(self, function)
    
    def _init_Editor(self, prnt):
        self.Editor = None
    
    def _init_MenuItems(self):
        self.MenuItems = []
    
    def _init_ctrls(self, prnt):
        wx.SplitterWindow.__init__(self, id=self.ID, name='MainSplitter', parent=prnt,
              size=wx.Size(0, 0), style=wx.SUNKEN_BORDER|wx.SP_3D)
        self.SetNeedUpdating(True)
        self.SetMinimumPaneSize(1)
        
        self._init_MenuItems()
        
        if self.VARIABLE_PANEL_TYPE is not None:
            self.VariableEditor = VariablePanel(self, self, self.Controler, self.VARIABLE_PANEL_TYPE, self.Debug)
            self.VariableEditor.SetTagName(self.TagName)
        else:
            self.VariableEditor = None
            
        self._init_Editor(self)
            
        if self.Editor is not None and self.VariableEditor is not None:
            self.SplitHorizontally(self.VariableEditor, self.Editor, 200)
        elif self.VariableEditor is not None:
            self.Initialize(self.VariableEditor)
        elif self.Editor is not None:
            self.Initialize(self.Editor)        
        
    def __init__(self, parent, tagname, window, controler, debug=False):
        self.ParentWindow = window
        self.Controler = controler
        self.TagName = tagname
        self.Icon = None
        self.Debug = debug
        
        self._init_ctrls(parent)
    
    def SetTagName(self, tagname):
        self.TagName = tagname
        if self.VARIABLE_PANEL_TYPE is not None:
            self.VariableEditor.SetTagName(tagname)
        
    def GetTagName(self):
        return self.TagName
    
    def GetTitle(self):
        return "-".join(self.TagName.split("::")[1:])
    
    def GetIcon(self):
        return self.Icon
    
    def SetIcon(self, icon):
        self.Icon = icon
    
    def IsViewing(self, tagname):
        return self.TagName == tagname

    def IsDebugging(self):
        return self.Debug

    def SetMode(self, mode):
        pass

    def ResetBuffer(self):
        pass
    
    def GetBufferState(self):
        if self.Controler is not None:
            return self.Controler.GetBufferState()
        return False, False
    
    def Undo(self):
        if self.Controler is not None:
            self.Controler.LoadPrevious()
            self.RefreshView()
    
    def Redo(self):
        if self.Controler is not None:
            self.Controler.LoadNext()
            self.RefreshView()
    
    def HasNoModel(self):
        return False
    
    def RefreshView(self, variablepanel=True):
        if variablepanel:
            self.RefreshVariablePanel()
    
    def RefreshVariablePanel(self):
        if self.VariableEditor is not None:
            self.VariableEditor.RefreshView()
    
    def GetPluginMenuItems(self):
        return self.MenuItems
    
    def RefreshPluginMenu(self, plugin_menu):
        pass
    
    def _Refresh(self, *args):
        self.ParentWindow._Refresh(*args)

    def RefreshScaling(self, refresh=True):
        pass

    def AddHighlight(self, infos, start, end, highlight_type):
        if self.VariableEditor is not None and infos[0] in ["var_local", "var_input", "var_output", "var_inout"]:
            self.VariableEditor.AddVariableHighlight(infos[1:], highlight_type)

    def ClearHighlights(self, highlight_type=None):
        if self.VariableEditor is not None:
            self.VariableEditor.ClearHighlights(highlight_type)