svgui/svgui.py
author Laurent Bessard
Sun, 12 May 2013 23:30:00 +0200
changeset 1122 84de51ab40d2
parent 1061 02f371f3e063
child 1511 91538d0c242c
permissions -rw-r--r--
Adding support for using current selected variable for generate newly added variable informations in VariablePanel
import wx
import os, sys, shutil

from pyjs import translate

from POULibrary import POULibrary
from docutil import open_svg
from py_ext import PythonFileCTNMixin

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

class SVGUI(PythonFileCTNMixin):

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

    def OnCTNSave(self, from_project_path=None):
        if from_project_path is not None:
            shutil.copyfile(self._getSVGpath(from_project_path),
                            self._getSVGpath())
        return PythonFileCTNMixin.OnCTNSave(self, from_project_path)

    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_start():
    website.LoadHMI(%(svgui_class)s, %(jsmodules)s)
    
def _runtime_%(location)s_stop():
    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)