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import wx

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import os, sys, shutil

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from xml.dom import minidom

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from py_ext import PythonFileCTNMixin

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class WxGladeHMI(PythonFileCTNMixin):

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    ConfNodeMethods = [

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        {"bitmap" : "editWXGLADE",

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         "name" : _("WXGLADE GUI"),

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         "tooltip" : _("Edit a WxWidgets GUI with WXGlade"),

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         "method" : "_editWXGLADE"},

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    ]

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    def ConfNodePath(self):

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        return os.path.join(os.path.dirname(__file__))

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    def _getWXGLADEpath(self, project_path=None):

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        if project_path is None:

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            project_path = self.CTNPath()

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        # define name for wxGlade gui file

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        return os.path.join(project_path, "hmi.wxg")

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    def launch_wxglade(self, options, wait=False):

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        from wxglade import __file__ as fileName

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        path = os.path.dirname(fileName)

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        glade = os.path.join(path, 'wxglade.py')

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        if wx.Platform == '__WXMSW__':

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            glade = "\"%s\""%glade

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        mode = {False:os.P_NOWAIT, True:os.P_WAIT}[wait]

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        os.spawnv(mode, sys.executable, ["\"%s\""%sys.executable] + [glade] + options)

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    def OnCTNSave(self, from_project_path=None):

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        if from_project_path is not None:

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            shutil.copyfile(self._getWXGLADEpath(from_project_path),

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                            self._getWXGLADEpath())

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        return PythonFileCTNMixin.OnCTNSave(self, from_project_path)

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    def CTNGenerate_C(self, buildpath, locations):

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        hmi_frames = {}

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        wxgfile_path=self._getWXGLADEpath()

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        if os.path.exists(wxgfile_path):

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            wxgfile = open(wxgfile_path, 'r')

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            wxgtree = minidom.parse(wxgfile)

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            wxgfile.close()

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            for node in wxgtree.childNodes[1].childNodes:

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                if node.nodeType == wxgtree.ELEMENT_NODE:

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                    hmi_frames[node._attrs["name"].value] =  node._attrs["class"].value

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            hmipyfile_path=os.path.join(self._getBuildPath(), "hmi.py")

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            if wx.Platform == '__WXMSW__':

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                wxgfile_path = "\"%s\""%wxgfile_path

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                wxghmipyfile_path = "\"%s\""%hmipyfile_path

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            else:

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                wxghmipyfile_path = hmipyfile_path

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            self.launch_wxglade(['-o', wxghmipyfile_path, '-g', 'python', wxgfile_path], wait=True)

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            hmipyfile = open(hmipyfile_path, 'r')

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            hmipyfile.close()

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    def _editWXGLADE(self):

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        wxg_filename = self._getWXGLADEpath()

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        open_wxglade = True

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

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

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

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                                      _("Open wxGlade"),

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                                      wx.YES_NO|wx.ICON_QUESTION)

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

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            dialog.Destroy()

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        if open_wxglade:

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            if not os.path.exists(wxg_filename):

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                hmi_name = self.BaseParams.getName()

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                open(wxg_filename,"w").write("""<?xml version="1.0"?>

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    <application path="" name="" class="" option="0" language="python" top_window="%(name)s" encoding="UTF-8" use_gettext="0" overwrite="0" use_new_namespace="1" for_version="2.8" is_template="0">

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        <object class="%(class)s" name="%(name)s" base="EditFrame">

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            <style>wxDEFAULT_FRAME_STYLE</style>

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            <title>frame_1</title>

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            <object class="wxBoxSizer" name="sizer_1" base="EditBoxSizer">

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                <orient>wxVERTICAL</orient>

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            <object class="sizerslot" />

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        </object>

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        </object>

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    </application>

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    """ % {"name": hmi_name, "class": "Class_%s" % hmi_name})

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            if wx.Platform == '__WXMSW__':

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                wxg_filename = "\"%s\""%wxg_filename

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            self.launch_wxglade([wxg_filename])

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