Edouard@2745: #!/usr/bin/env python
Edouard@2745: # -*- coding: utf-8 -*-
Edouard@2745: 
Edouard@2745: # This file is part of Beremiz
Edouard@2745: # Copyright (C) 2019: Edouard TISSERANT
Edouard@2745: #
Edouard@2745: # See COPYING file for copyrights details.
Edouard@2745: 
Edouard@2745: from __future__ import absolute_import
Edouard@2745: import os
Edouard@2745: import shutil
Edouard@2745: 
Edouard@2745: import wx
Edouard@2745: 
Edouard@2745: import util.paths as paths
Edouard@2745: from POULibrary import POULibrary
Edouard@2745: from docutil import open_svg
Edouard@2745: 
Edouard@2745: 
Edouard@2745: class SVGHMILibrary(POULibrary):
Edouard@2745:     def GetLibraryPath(self):
Edouard@2745:         return paths.AbsNeighbourFile(__file__, "pous.xml")
Edouard@2745: 
Edouard@2745: 
Edouard@2745: class SVGHMI(object):
Edouard@2745:     XSD = """<?xml version="1.0" encoding="ISO-8859-1" ?>
Edouard@2745:     <xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema">
Edouard@2745:       <xsd:element name="SVGHMI">
Edouard@2745:         <xsd:complexType>
Edouard@2745:           <xsd:attribute name="enableHTTP" type="xsd:boolean" use="optional" default="false"/>
Edouard@2745:           <xsd:attribute name="bindAddress" type="xsd:string" use="optional" default="localhost"/>
Edouard@2745:           <xsd:attribute name="port" type="xsd:string" use="optional" default="8080"/>
Edouard@2745:         </xsd:complexType>
Edouard@2745:       </xsd:element>
Edouard@2745:     </xsd:schema>
Edouard@2745:     """
Edouard@2745: 
Edouard@2745:     ConfNodeMethods = [
Edouard@2745:         {
Edouard@2745:             "bitmap":    "ImportSVG",
Edouard@2745:             "name":    _("Import SVG"),
Edouard@2745:             "tooltip": _("Import SVG"),
Edouard@2745:             "method":   "_ImportSVG"
Edouard@2745:         },
Edouard@2745:         {
Edouard@2745:             "bitmap":    "ImportSVG",  # should be something different
Edouard@2745:             "name":    _("Inkscape"),
Edouard@2745:             "tooltip": _("Edit HMI"),
Edouard@2745:             "method":   "_StartInkscape"
Edouard@2745:         },
Edouard@2745:     ]
Edouard@2745: 
Edouard@2745:     def _getSVGpath(self, project_path=None):
Edouard@2745:         if project_path is None:
Edouard@2745:             project_path = self.CTNPath()
Edouard@2745:         # define name for SVG file containing gui layout
Edouard@2745:         return os.path.join(project_path, "gui.svg")
Edouard@2745: 
Edouard@2745: 
Edouard@2745:     def OnCTNSave(self, from_project_path=None):
Edouard@2745:         if from_project_path is not None:
Edouard@2745:             shutil.copyfile(self._getSVGpath(from_project_path),
Edouard@2745:                             self._getSVGpath())
Edouard@2745: 
Edouard@2745:     def CTNGenerate_C(self, buildpath, locations):
Edouard@2745:         """
Edouard@2745:         Return C code generated by iec2c compiler
Edouard@2745:         when _generate_softPLC have been called
Edouard@2745:         @param locations: ignored
Edouard@2745:         @return: [(C_file_name, CFLAGS),...] , LDFLAGS_TO_APPEND
Edouard@2745:         """
Edouard@2745: 
Edouard@2745:         # TODO : get variable list from Controller
Edouard@2745:         # self.GetCTRoot().blah
Edouard@2745:         # TODO deduce HMI tree
Edouard@2745: 
Edouard@2745:         svgfile = self._getSVGpath()
Edouard@2745:         if os.path.exists(svgfile):
Edouard@2745:             # TODO : call xslt transform on Inkscape's SVG to generate
Edouard@2745:             #   - Errors on HMI semantics
Edouard@2745:             #   - Target XHTML as a DOM
Edouard@2745:             #   - ... maybe something to have a global view of what is declared in SVG.
Edouard@2745:             pass
Edouard@2745:         else:
Edouard@2745:             # TODO : use default svg that expose the HMI tree as-is 
Edouard@2745:             pass
Edouard@2745: 
Edouard@2745: 
Edouard@2745:         res = ([], "", False)
Edouard@2745: 
Edouard@2745:         targetpath = os.path.join(self._getBuildPath(), "target.xhtml")
Edouard@2745:         targetfile = open(targetpath, 'w')
Edouard@2745: 
Edouard@2745:         # TODO : DOM to string
Edouard@2745:         targetfile.write("TODO")
Edouard@2745:         targetfile.close()
Edouard@2745:         res += (("target.js", open(targetpath, "rb")),)
Edouard@2745: 
Edouard@2745:         # TODO add C code to expose HMI tree variables to shared memory
Edouard@2745:         # TODO generate a description of shared memory (xml or CSV) 
Edouard@2745:         #      that can be loaded by svghmi QTWeb* app or svghmi server
Edouard@2745: 
Edouard@2745: 
Edouard@2745:         return res
Edouard@2745: 
Edouard@2745:     def _ImportSVG(self):
Edouard@2745:         dialog = wx.FileDialog(self.GetCTRoot().AppFrame, _("Choose a SVG file"), os.getcwd(), "",  _("SVG files (*.svg)|*.svg|All files|*.*"), wx.OPEN)
Edouard@2745:         if dialog.ShowModal() == wx.ID_OK:
Edouard@2745:             svgpath = dialog.GetPath()
Edouard@2745:             if os.path.isfile(svgpath):
Edouard@2745:                 shutil.copy(svgpath, self._getSVGpath())
Edouard@2745:             else:
Edouard@2745:                 self.GetCTRoot().logger.write_error(_("No such SVG file: %s\n") % svgpath)
Edouard@2745:         dialog.Destroy()
Edouard@2745: 
Edouard@2745:     def _StartInkscape(self):
Edouard@2745:         svgfile = self._getSVGpath()
Edouard@2745:         open_inkscape = True
Edouard@2745:         if not self.GetCTRoot().CheckProjectPathPerm():
Edouard@2745:             dialog = wx.MessageDialog(self.GetCTRoot().AppFrame,
Edouard@2745:                                       _("You don't have write permissions.\nOpen Inkscape anyway ?"),
Edouard@2745:                                       _("Open Inkscape"),
Edouard@2745:                                       wx.YES_NO | wx.ICON_QUESTION)
Edouard@2745:             open_inkscape = dialog.ShowModal() == wx.ID_YES
Edouard@2745:             dialog.Destroy()
Edouard@2745:         if open_inkscape:
Edouard@2745:             if not os.path.isfile(svgfile):
Edouard@2745:                 svgfile = None
Edouard@2745:             open_svg(svgfile)