#!/usr/bin/env python

# -*- coding: utf-8 -*-

# This file is part of Beremiz

# Copyright (C) 2019: Edouard TISSERANT

#

# See COPYING file for copyrights details.

from __future__ import absolute_import

import os

import shutil

import wx

import util.paths as paths

from POULibrary import POULibrary

from docutil import open_svg

class SVGHMILibrary(POULibrary):

def GetLibraryPath(self):

return paths.AbsNeighbourFile(__file__, "pous.xml")

class SVGHMI(object):

XSD = """<?xml version="1.0" encoding="ISO-8859-1" ?>

<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema">

<xsd:element name="SVGHMI">

<xsd:complexType>

<xsd:attribute name="enableHTTP" type="xsd:boolean" use="optional" default="false"/>

<xsd:attribute name="bindAddress" type="xsd:string" use="optional" default="localhost"/>

<xsd:attribute name="port" type="xsd:string" use="optional" default="8080"/>

</xsd:complexType>

</xsd:element>

</xsd:schema>

"""

ConfNodeMethods = [

{

"bitmap": "ImportSVG",

"name": _("Import SVG"),

"tooltip": _("Import SVG"),

"method": "_ImportSVG"

},

{

"bitmap": "ImportSVG", # should be something different

"name": _("Inkscape"),

"tooltip": _("Edit HMI"),

"method": "_StartInkscape"

},

]

def _getSVGpath(self, project_path=None):

if project_path is None:

project_path = self.CTNPath()

# define name for SVG file containing gui layout

return os.path.join(project_path, "gui.svg")

def OnCTNSave(self, from_project_path=None):

if from_project_path is not None:

shutil.copyfile(self._getSVGpath(from_project_path),

self._getSVGpath())

def CTNGenerate_C(self, buildpath, locations):

"""

Return C code generated by iec2c compiler

when _generate_softPLC have been called

@param locations: ignored

@return: [(C_file_name, CFLAGS),...] , LDFLAGS_TO_APPEND

"""

# TODO : get variable list from Controller

# self.GetCTRoot().blah

# TODO deduce HMI tree

svgfile = self._getSVGpath()

if os.path.exists(svgfile):

# TODO : call xslt transform on Inkscape's SVG to generate

# - Errors on HMI semantics

# - Target XHTML as a DOM

# - ... maybe something to have a global view of what is declared in SVG.

pass

else:

# TODO : use default svg that expose the HMI tree as-is

pass

res = ([], "", False)

targetpath = os.path.join(self._getBuildPath(), "target.xhtml")

targetfile = open(targetpath, 'w')

# TODO : DOM to string

targetfile.write("TODO")

targetfile.close()

res += (("target.js", open(targetpath, "rb")),)

# TODO add C code to expose HMI tree variables to shared memory

# TODO generate a description of shared memory (xml or CSV)

# that can be loaded by svghmi QTWeb* app or svghmi server

return res

def _ImportSVG(self):

dialog = wx.FileDialog(self.GetCTRoot().AppFrame, _("Choose a SVG file"), os.getcwd(), "", _("SVG files (*.svg)|*.svg|All files|*.*"), wx.OPEN)

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

svgpath = dialog.GetPath()

if os.path.isfile(svgpath):

shutil.copy(svgpath, self._getSVGpath())

else:

self.GetCTRoot().logger.write_error(_("No such SVG file: %s\n") % svgpath)

dialog.Destroy()

def _StartInkscape(self):

svgfile = self._getSVGpath()

open_inkscape = True

if not self.GetCTRoot().CheckProjectPathPerm():

dialog = wx.MessageDialog(self.GetCTRoot().AppFrame,

_("You don't have write permissions.\nOpen Inkscape anyway ?"),

_("Open Inkscape"),

wx.YES_NO | wx.ICON_QUESTION)

open_inkscape = dialog.ShowModal() == wx.ID_YES

dialog.Destroy()

if open_inkscape:

if not os.path.isfile(svgfile):

svgfile = None

open_svg(svgfile)