plugins/python/modules/svgui/svgui.py
author edouard
Thu, 17 Feb 2011 17:04:10 +0100
changeset 574 1b6bd9f590aa
parent 427 7ac746c07ff2
permissions -rw-r--r--
Prevent status polling to generate an error while PLC is being reset to bootloader mode
import wx
import os, sys, shutil

from plugger import opjimg
from plugins.python import PythonCodeTemplate

from pyjs import translate

from docutils import *

class RootClass:

    PluginMethods = [
        {"bitmap" : os.path.join("images","ImportSVG"),
         "name" : _("Import SVG"),
         "tooltip" : _("Import SVG"),
         "method" : "_ImportSVG"},
        {"bitmap" : os.path.join("images","ImportSVG"),
         "name" : _("Inkscape"),
         "tooltip" : _("Create HMI"),
         "method" : "_StartInkscape"},
    ]

    def PluginPath(self):
        return os.path.join(self.PlugParent.PluginPath(), "modules", self.PlugType)

    def _getSVGpath(self):
        # define name for IEC raw code file
        return os.path.join(self.PlugPath(), "gui.svg")

    def _getSVGUIserverpath(self):
        return os.path.join(os.path.dirname(__file__), "svgui_server.py")

    def PlugGenerate_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
        """
        
        current_location = self.GetCurrentLocation()
        # define a unique name for the generated C file
        location_str = "_".join(map(lambda x:str(x), current_location))
        
        res = ([], "", False)
        
        svgfile=self._getSVGpath()
        if os.path.exists(svgfile):
            res += (("gui.svg", file(svgfile,"rb")),)

        svguiserverfile = open(self._getSVGUIserverpath(), 'r')
        svguiservercode = svguiserverfile.read()
        svguiserverfile.close()

        svguilibpath = os.path.join(self._getBuildPath(), "svguilib.js")
        svguilibfile = open(svguilibpath, 'w')
        svguilibfile.write(translate(os.path.join(os.path.dirname(__file__), "pyjs", "lib", "sys.py"), "sys"))
        svguilibfile.write(open(os.path.join(os.path.dirname(__file__), "pyjs", "lib", "_pyjs.js"), 'r').read())
        svguilibfile.write(translate(os.path.join(os.path.dirname(__file__), "pyjs", "lib", "pyjslib.py"), "pyjslib"))
        svguilibfile.write(translate(os.path.join(os.path.dirname(__file__), "svguilib.py"), "svguilib"))
        svguilibfile.write("pyjslib();\nsvguilib();\n")
        svguilibfile.write(open(os.path.join(os.path.dirname(__file__), "pyjs", "lib", "json.js"), 'r').read())
        svguilibfile.write(open(os.path.join(os.path.dirname(__file__), "livesvg.js"), 'r').read())
        svguilibfile.close()
        jsmodules = {"LiveSVGPage": "svguilib.js"}
        res += (("svguilib.js", file(svguilibpath,"rb")),)
        
        runtimefile_path = os.path.join(buildpath, "runtime_%s.py"%location_str)
        runtimefile = open(runtimefile_path, 'w')
        runtimefile.write(svguiservercode % {"svgfile" : "gui.svg"})
        runtimefile.write("""
def _runtime_%(location)s_begin():
    website.LoadHMI(%(svgui_class)s, %(jsmodules)s)
    
def _runtime_%(location)s_cleanup():
    website.UnLoadHMI()
    
""" % {"location": location_str,
       "svgui_class": "SVGUI_HMI",
       "jsmodules" : str(jsmodules),
      })
        runtimefile.close()
        
        res += (("runtime_%s.py"%location_str, file(runtimefile_path,"rb")),)
        
        return res

    def _ImportSVG(self):
        dialog = wx.FileDialog(self.GetPlugRoot().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.GetPlugRoot().logger.write_error(_("No such SVG file: %s\n")%svgpath)
        dialog.Destroy()  

    def _StartInkscape(self):
        svgfile = self._getSVGpath()
        open_inkscape = True
        if not self.GetPlugRoot().CheckProjectPathPerm():
            dialog = wx.MessageDialog(self.GetPlugRoot().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)