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

# This file is part of Beremiz, a Integrated Development Environment for
# programming IEC 61131-3 automates supporting plcopen standard and CanFestival.
#
# Copyright (C) 2007: Edouard TISSERANT and Laurent BESSARD
#
# See COPYING file for copyrights details.
#
# This program 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
# of the License, or (at your option) any later version.
#
# This program 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 program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

import wx

from controls import VariablePanel


class EditorPanel(wx.SplitterWindow):

    VARIABLE_PANEL_TYPE = None

    def _init_Editor(self, prnt):
        self.Editor = None

    def _init_MenuItems(self):
        self.MenuItems = []

    def _init_ctrls(self, parent):
        wx.SplitterWindow.__init__(self, parent,
                                   style=wx.SUNKEN_BORDER | wx.SP_3D)
        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 Select(self):
        self.ParentWindow.EditProjectElement(None, self.GetTagName(), True)

    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.GetTagName() == tagname

    def IsDebugging(self):
        return self.Debug

    def SetMode(self, mode):
        pass

    def ResetBuffer(self):
        pass

    def IsModified(self):
        return False

    def CheckSaveBeforeClosing(self):
        return True

    def Save(self):
        pass

    def SaveAs(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 Find(self, direction, search_params):
        pass

    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 GetConfNodeMenuItems(self):
        return self.MenuItems

    def RefreshConfNodeMenu(self, confnode_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 RemoveHighlight(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.RemoveVariableHighlight(infos[1:], highlight_type)

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