#!/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) 2012: 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

REQUIRED_PARAMS = ["projectName", "productName", "productVersion", "companyName"]

class ProjectPropertiesPanel(wx.Notebook):
    
    def AddSizerParams(self, parent, sizer, params):
        for idx, (name, label) in enumerate(params):
            border = 0
            if idx == 0:
                border |= wx.TOP
            elif idx == len(params) - 1:
                border |= wx.BOTTOM
            
            st = wx.StaticText(id=-1, parent=parent, 
                  label=label, name=name + '_label',
                  pos=wx.Point(0, 0), size=wx.DefaultSize, style=0)
            sizer.AddWindow(st, 0, border=10, flag=wx.ALIGN_CENTER_VERTICAL|border|wx.LEFT)
            
            tc_id = wx.NewId()
            tc = wx.TextCtrl(id=tc_id, parent=parent, 
                  name=name, pos=wx.Point(0, 0), 
                  size=wx.Size(0, 24), style=wx.TE_PROCESS_ENTER)
            setattr(self, name, tc)
            callback = self.GetTextCtrlChangedFunction(tc, name)
            self.Bind(wx.EVT_TEXT_ENTER, callback, id=tc_id)
            tc.Bind(wx.EVT_KILL_FOCUS, callback)
            sizer.AddWindow(tc, 0, border=10, flag=wx.GROW|border|wx.RIGHT)

    def __init__(self, parent, controller=None, window=None, enable_required=True):
        wx.Notebook.__init__(self, id=-1, parent=parent, 
              name='ProjectPropertiesPanel', style=0, 
              pos=wx.Point(0, 0), size=wx.Size(500, 300))

        self.Controller = controller
        self.ParentWindow = window
        self.Values = None
        
        # Project Panel elements

        self.ProjectPanel = wx.Panel(id=-1, parent=self, 
              name='ProjectPanel', pos=wx.Point(0, 0),
              size=wx.Size(0, 0), style=wx.TAB_TRAVERSAL)
        projectpanel_sizer = wx.FlexGridSizer(cols=2, hgap=5, rows=5, vgap=15)
        projectpanel_sizer.AddGrowableCol(1)
        self.ProjectPanel.SetSizer(projectpanel_sizer)
        
        self.AddSizerParams(self.ProjectPanel, projectpanel_sizer,
              [("projectName", _('Project Name (required):')),
               ("projectVersion", _('Project Version (optional):')),
               ("productName", _('Product Name (required):')),
               ("productVersion", _('Product Version (required):')),
               ("productRelease", _('Product Release (optional):'))])
        
        self.AddPage(self.ProjectPanel, _("Project"))
        
        # Author Panel elements

        self.AuthorPanel = wx.Panel(id=-1, parent=self,
              name='AuthorPanel', pos=wx.Point(0, 0),
              size=wx.Size(0, 0), style=wx.TAB_TRAVERSAL)
        authorpanel_sizer = wx.FlexGridSizer(cols=2, hgap=5, rows=4, vgap=15)
        authorpanel_sizer.AddGrowableCol(1)
        self.AuthorPanel.SetSizer(authorpanel_sizer)
        
        self.AddSizerParams(self.AuthorPanel, authorpanel_sizer,
              [("companyName", _('Company Name (required):')),
               ("companyURL", _('Company URL (optional):')),
               ("authorName", _('Author Name (optional):')),
               ("organization", _('Organization (optional):'))])
        
        self.AddPage(self.AuthorPanel, _("Author"))

        # Graphics Panel elements

        self.GraphicsPanel = wx.Panel(id=-1, parent=self, 
              name='GraphicsPanel', pos=wx.Point(0, 0),
              size=wx.Size(0, 0), style=wx.TAB_TRAVERSAL)
        graphicpanel_sizer = wx.FlexGridSizer(cols=1, hgap=5, rows=4, vgap=5)
        graphicpanel_sizer.AddGrowableCol(0)
        graphicpanel_sizer.AddGrowableRow(3)
        self.GraphicsPanel.SetSizer(graphicpanel_sizer)
        
        pageSize_st = wx.StaticText(id=-1, parent=self.GraphicsPanel,
              label=_('Page Size (optional):'), name='pageSize_label', 
              pos=wx.Point(0, 0), size=wx.DefaultSize, style=0)
        graphicpanel_sizer.AddWindow(pageSize_st, 0, border=10, flag=wx.ALIGN_CENTER_VERTICAL|wx.TOP|wx.LEFT|wx.RIGHT)
        
        pageSize_sizer = wx.FlexGridSizer(cols=2, hgap=5, rows=2, vgap=5)
        pageSize_sizer.AddGrowableCol(1)
        graphicpanel_sizer.AddSizer(pageSize_sizer, 0, border=10, flag=wx.GROW|wx.LEFT|wx.RIGHT)
        
        for name, label in [('PageWidth', _('Width:')),
                            ('PageHeight', _('Height:'))]:
            st = wx.StaticText(id=-1, parent=self.GraphicsPanel,
                  label=label, name=name + "_label",
                  pos=wx.Point(0, 0), size=wx.DefaultSize, style=0)
            pageSize_sizer.AddWindow(st, 0, border=12, flag=wx.ALIGN_CENTER_VERTICAL|wx.LEFT)
            
            sp_id = wx.NewId()
            sp = wx.SpinCtrl(id=sp_id, parent=self.GraphicsPanel, 
                  name=name, pos=wx.Point(0, 0),
                  size=wx.Size(0, 24), style=wx.TE_PROCESS_ENTER, 
                  min=0, max=2**16)
            setattr(self, name, sp)
            callback = self.GetPageSizeChangedFunction(sp, name)
            self.Bind(wx.EVT_TEXT_ENTER, callback, id=sp_id)
            sp.Bind(wx.EVT_KILL_FOCUS, callback)
            pageSize_sizer.AddWindow(sp, 0, border=0, flag=wx.GROW)
        
        scaling_st = wx.StaticText(id=-1, parent=self.GraphicsPanel,
              label=_('Grid Resolution:'), name='scaling_label', 
              pos=wx.Point(0, 0), size=wx.DefaultSize, style=0)
        graphicpanel_sizer.AddWindow(scaling_st, 0, border=10, flag=wx.GROW|wx.LEFT|wx.RIGHT)
        
        scaling_nb = wx.Notebook(id=-1, parent=self.GraphicsPanel, 
              name='ScalingNotebook', pos=wx.Point(0, 0), 
              size=wx.Size(0, 0), style=0)
        graphicpanel_sizer.AddWindow(scaling_nb, 0, border=10, flag=wx.GROW|wx.BOTTOM|wx.LEFT|wx.RIGHT)
        
        self.Scalings = {}
        for language, translation in [("FBD",_("FBD")), ("LD",_("LD")), ("SFC",_("SFC"))]:
            scaling_panel = wx.Panel(id=-1, parent=scaling_nb, 
                  name=language + '_panel', pos=wx.Point(0, 0),
                  size=wx.Size(0, 0), style=wx.TAB_TRAVERSAL)
            scalingpanel_sizer = wx.FlexGridSizer(cols=2, hgap=5, rows=2, vgap=5)
            scalingpanel_sizer.AddGrowableCol(1)
            scaling_panel.SetSizer(scalingpanel_sizer)
            
            scaling_controls = []
            for idx, (name, label) in enumerate([('XScale', _('Horizontal:')),
                                                 ('YScale', _('Vertical:'))]):
                if idx == 0:
                    border = wx.TOP
                else:
                    border = wx.BOTTOM
                
                st = wx.StaticText(id=-1, parent=scaling_panel,
                      label=label, name=name + '_label', 
                      pos=wx.Point(0, 0), size=wx.DefaultSize, style=0)
                scalingpanel_sizer.AddWindow(st, 0, border=10, flag=wx.ALIGN_CENTER_VERTICAL|border|wx.LEFT)
                
                sp_id = wx.NewId()
                sp = wx.SpinCtrl(id=sp_id, parent=scaling_panel, 
                      name=name, pos=wx.Point(0, 0),
                      size=wx.Size(0, 24), style=wx.TE_PROCESS_ENTER, 
                      min=0, max=2**16)
                scaling_controls.append(sp)
                callback = self.GetScalingChangedFunction(sp, language, name)
                self.Bind(wx.EVT_TEXT_ENTER, callback, id=sp_id)
                sp.Bind(wx.EVT_KILL_FOCUS, callback)
                scalingpanel_sizer.AddWindow(sp, 0, border=10, flag=wx.GROW|border|wx.RIGHT)
        
            self.Scalings[language] = scaling_controls
            scaling_nb.AddPage(scaling_panel, translation)
        
        self.AddPage(self.GraphicsPanel, _("Graphics"))

        # Miscellaneous Panel elements

        self.MiscellaneousPanel = wx.Panel(id=-1, parent=self, 
              name='MiscellaneousPanel', pos=wx.Point(0, 0),
              size=wx.Size(0, 0), style=wx.TAB_TRAVERSAL)
        miscellaneouspanel_sizer = wx.FlexGridSizer(cols=2, hgap=5, rows=2, vgap=15)
        miscellaneouspanel_sizer.AddGrowableCol(1)
        miscellaneouspanel_sizer.AddGrowableRow(1)
        self.MiscellaneousPanel.SetSizer(miscellaneouspanel_sizer)
        
        language_label = wx.StaticText(id=-1, parent=self.MiscellaneousPanel,
              label=_('Language (optional):'), name='language_label', 
              pos=wx.Point(0, 0), size=wx.DefaultSize, style=0)
        miscellaneouspanel_sizer.AddWindow(language_label, 0, border=10, flag=wx.ALIGN_CENTER_VERTICAL|wx.TOP|wx.LEFT)
        
        language_id = wx.NewId()
        self.Language = wx.ComboBox(id=language_id, parent=self.MiscellaneousPanel, 
              name='Language', pos=wx.Point(0, 0),
              size=wx.Size(0, 28), style=wx.CB_READONLY)
        self.Bind(wx.EVT_COMBOBOX, self.OnLanguageChanged, id=language_id)
        miscellaneouspanel_sizer.AddWindow(self.Language, 0, border=10, flag=wx.GROW|wx.TOP|wx.RIGHT)
        
        description_label = wx.StaticText(id=-1, parent=self.MiscellaneousPanel,
              label=_('Content Description (optional):'), name='description_label', 
              pos=wx.Point(0, 0), size=wx.DefaultSize, style=0)
        miscellaneouspanel_sizer.AddWindow(description_label, 0, border=10, flag=wx.BOTTOM|wx.LEFT)
        
        description_id = wx.NewId()
        self.ContentDescription = wx.TextCtrl(id=description_id, parent=self.MiscellaneousPanel, 
              name='ContentDescription', pos=wx.Point(0, 0),
              size=wx.Size(0, 24), style=wx.TE_MULTILINE|wx.TE_PROCESS_ENTER)
        self.Bind(wx.EVT_TEXT_ENTER, self.OnContentDescriptionChanged, id=description_id)
        self.ContentDescription.Bind(wx.EVT_KILL_FOCUS, self.OnContentDescriptionChanged)
        miscellaneouspanel_sizer.AddWindow(self.ContentDescription, 0, border=10, flag=wx.GROW|wx.BOTTOM|wx.RIGHT)
        
        self.AddPage(self.MiscellaneousPanel, _("Miscellaneous"))
        
        for param in REQUIRED_PARAMS:
            getattr(self, param).Enable(enable_required)
           
        languages = ["", "en-US", "fr-FR", "zh-CN"]
        
        for language in languages:
            self.Language.Append(language)

    def RefreshView(self):
        if self.Controller is not None:
            self.SetValues(self.Controller.GetProjectProperties())

    def SetValues(self, values):
        self.Values = values
        for item, value in values.items():
            if item == "language":
                self.Language.SetStringSelection(value)
            elif item == "contentDescription":
                self.ContentDescription.SetValue(value)
            elif item == "pageSize":
                self.PageWidth.SetValue(value[0])
                self.PageHeight.SetValue(value[1])
            elif item == "scaling":
                for language, (x, y) in value.items():
                    if language in self.Scalings:
                        self.Scalings[language][0].SetValue(x)
                        self.Scalings[language][1].SetValue(y)
            else:
                tc = getattr(self, item, None)
                if tc is not None:
                    tc.SetValue(value)
        
    def GetValues(self):
        values = {}
        for param in ["projectName", "projectVersion",
                      "productName", "productVersion",
                      "productRelease", "companyName",
                      "companyURL", "authorName", 
                      "organization"]:
            value = getattr(self, param).GetValue()
            if param in REQUIRED_PARAMS or value != "":
                values[param] = value
            else:
                values[param] = None
        language = self.Language.GetStringSelection()
        if language != "":
            values["language"] = language
        else:
            values["language"] = None
        content_description = self.ContentDescription.GetValue()
        if content_description != "":
            values["contentDescription"] = content_description
        else:
            values["contentDescription"] = None
        values["pageSize"] = (self.PageWidth.GetValue(), self.PageHeight.GetValue())
        values["scaling"] = {}
        for language in ["FBD", "LD", "SFC"]:
            values["scaling"][language] = (self.Scalings[language][0].GetValue(),
                                           self.Scalings[language][1].GetValue())
        return values
    
    def GetTextCtrlChangedFunction(self, textctrl, name):
        def TextCtrlChangedFunction(event):
            if self.Controller is not None:
                if self.Values is not None:
                    old_value = self.Values.get(name)
                else:
                    old_value = None
                new_value = textctrl.GetValue()
                if name not in REQUIRED_PARAMS and new_value == "":
                    new_value = None
                if old_value != new_value:
                    self.Controller.SetProjectProperties(properties={name: new_value})
                    self.ParentWindow.RefreshTitle()
                    self.ParentWindow.RefreshFileMenu()
                    self.ParentWindow.RefreshEditMenu()
                    self.ParentWindow.RefreshProjectTree()
                    self.ParentWindow.RefreshPageTitles()
                    wx.CallAfter(self.RefreshView)
            event.Skip()
        return TextCtrlChangedFunction

    def GetPageSizeChangedFunction(self, spinctrl, name):
        def PageSizeChangedFunction(event):
            if self.Controller is not None:
                if self.Values is not None:
                    old_value = self.Values.get("pageSize")
                else:
                    old_value = (0, 0)
                if name == 'PageWidth':
                    new_value = (spinctrl.GetValue(), old_value[1])
                else:
                    new_value = (old_value[0], spinctrl.GetValue())
                if old_value != new_value:
                    self.Controller.SetProjectProperties(properties={"pageSize": new_value})
                    self.ParentWindow.RefreshTitle()
                    self.ParentWindow.RefreshFileMenu()
                    self.ParentWindow.RefreshEditMenu()
                    self.ParentWindow.RefreshPageTitles()
                    self.ParentWindow.RefreshScaling()
                    wx.CallAfter(self.RefreshView)
            event.Skip()
        return PageSizeChangedFunction
    
    def GetScalingChangedFunction(self, spinctrl, language, name):
        def ScalingChangedFunction(event):
            if self.Controller is not None:
                old_value = (0, 0)
                if self.Values is not None:
                    scaling = self.Values.get("scaling")
                    if scaling is not None:
                        old_value = scaling.get(language)
                if name == 'XScale':
                    new_value = (spinctrl.GetValue(), old_value[1])
                else:
                    new_value = (old_value[0], spinctrl.GetValue())
                if old_value != new_value:
                    self.Controller.SetProjectProperties(properties={"scaling": {language: new_value}})
                    self.ParentWindow.RefreshTitle()
                    self.ParentWindow.RefreshFileMenu()
                    self.ParentWindow.RefreshEditMenu()
                    self.ParentWindow.RefreshPageTitles()
                    self.ParentWindow.RefreshScaling()
                    wx.CallAfter(self.RefreshView)
            event.Skip()
        return ScalingChangedFunction
    
    def OnLanguageChanged(self, event):
        if self.Controller is not None:
            if self.Values is not None:
                old_value = self.Values.get("language")
            else:
                old_value = None
            new_value = self.Language.GetStringSelection()
            if new_value == "":
                new_value = None
            print old_value, new_value
            if old_value != new_value:
                self.Controller.SetProjectProperties(properties={"language": new_value})
                self.ParentWindow.RefreshTitle()
                self.ParentWindow.RefreshFileMenu()
                self.ParentWindow.RefreshEditMenu()
                self.ParentWindow.RefreshPageTitles()
                wx.CallAfter(self.RefreshView)
        event.Skip()
        
    def OnContentDescriptionChanged(self, event):
        if self.Controller is not None:
            if self.Values is not None:
                old_value = self.Values.get("contentDescription")
            else:
                old_value = None
            new_value = self.ContentDescription.GetValue()
            if new_value == "":
                new_value = None
            if old_value != new_value:
                self.Controller.SetProjectProperties(properties={"contentDescription": new_value})
                self.ParentWindow.RefreshTitle()
                self.ParentWindow.RefreshFileMenu()
                self.ParentWindow.RefreshEditMenu()
                self.ParentWindow.RefreshPageTitles()
                wx.CallAfter(self.RefreshView)
        event.Skip()