plugins/python/modules/wxglade_hmi/wxglade_hmi.py
author laurent
Sun, 11 Mar 2012 22:00:15 +0100
changeset 700 b0a7abd50b09
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merge
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import wx
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import os, sys
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from xml.dom import minidom
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from plugger import opjimg
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from plugins.python import PythonCodeTemplate
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class RootClass(PythonCodeTemplate):
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    PluginMethods = [
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        {"bitmap" : opjimg("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 _getWXGLADEpath(self):
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        # define name for IEC raw code file
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        return os.path.join(self.PlugPath(), "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 PlugGenerate_C(self, buildpath, locations):
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        """
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        Return C code generated by iec2c compiler 
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        when _generate_softPLC have been called
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        @param locations: ignored
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        @return: [(C_file_name, CFLAGS),...] , LDFLAGS_TO_APPEND
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        """
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        current_location = self.GetCurrentLocation()
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        # define a unique name for the generated C file
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        location_str = "_".join(map(lambda x:str(x), current_location))
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        runtimefile_path = os.path.join(buildpath, "runtime_%s.py"%location_str)
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        runtimefile = open(runtimefile_path, 'w')
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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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            runtimefile.write(hmipyfile.read())
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            hmipyfile.close()
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        runtimefile.write(self.GetPythonCode())
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        runtimefile.write("""
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%(declare)s
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def _runtime_%(location)s_begin():
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    global %(global)s
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    def OnCloseFrame(evt):
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        wx.MessageBox(_("Please stop PLC to close"))
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    %(init)s
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def _runtime_%(location)s_cleanup():
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    global %(global)s
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    %(cleanup)s
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""" % {"location": location_str,
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       "declare": "\n".join(map(lambda x:"%s = None" % x, hmi_frames.keys())),
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       "global": ",".join(hmi_frames.keys()),
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       "init": "\n".join(map(lambda x: """
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    %(name)s = %(class)s(None)
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    %(name)s.Bind(wx.EVT_CLOSE, OnCloseFrame)
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    %(name)s.Show()
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""" % {"name": x[0], "class": x[1]},
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                             hmi_frames.items())),
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       "cleanup": "\n    ".join(map(lambda x:"%s.Destroy()" % x, hmi_frames.keys()))})
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        runtimefile.close()
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        return [], "", False, ("runtime_%s.py"%location_str, file(runtimefile_path,"rb"))
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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.GetPlugRoot().CheckProjectPathPerm():
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            dialog = wx.MessageDialog(self.GetPlugRoot().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>
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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])