svgui/svgui.py
author Edouard Tisserant
Tue, 05 Mar 2013 20:12:51 +0900
changeset 956 c838c50f8946
parent 737 7b421e080636
child 1014 e2f7d6c95db0
permissions -rw-r--r--
Fixed 'python shell' failure from runtime tray icon menu in some case, when PLC init failed
import wx
import os, sys, shutil

from pyjs import translate

from POULibrary import POULibrary
from docutil import open_svg

class SVGUILibrary(POULibrary):
    def GetLibraryPath(self):
        return os.path.join(os.path.split(__file__)[0], "pous.xml") 

class SVGUI:

    ConfNodeMethods = [
        {"bitmap" : "ImportSVG",
         "name" : _("Import SVG"),
         "tooltip" : _("Import SVG"),
         "method" : "_ImportSVG"},
        {"bitmap" : "ImportSVG", # should be something different
         "name" : _("Inkscape"),
         "tooltip" : _("Create HMI"),
         "method" : "_StartInkscape"},
    ]

    def ConfNodePath(self):
        return os.path.join(os.path.dirname(__file__))

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

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

    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
        """
        
        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.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)