svghmi/svghmi.py
author Edouard Tisserant
Thu, 12 Mar 2020 13:16:18 +0100
branchsvghmi
changeset 2868 8d9757191f05
parent 2866 59a855c17aa6
child 2890 ae8063127e95
permissions -rw-r--r--
SVGHMI: significant whitespace changes
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#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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# This file is part of Beremiz
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# Copyright (C) 2019: Edouard TISSERANT
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#
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# See COPYING file for copyrights details.
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from __future__ import absolute_import
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import os
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import shutil
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from itertools import izip, imap
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from pprint import pformat
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import hashlib
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import weakref
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import shlex
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import wx
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import wx.dataview as dv
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from lxml import etree
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from lxml.etree import XSLTApplyError
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import util.paths as paths
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from POULibrary import POULibrary
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from docutil import open_svg, get_inkscape_path
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from util.ProcessLogger import ProcessLogger
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from runtime.typemapping import DebugTypesSize
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import targets
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from editors.ConfTreeNodeEditor import ConfTreeNodeEditor
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from XSLTransform import XSLTransform
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HMI_TYPES_DESC = {
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    "HMI_NODE":{},
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    "HMI_STRING":{},
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    "HMI_INT":{},
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    "HMI_BOOL":{}
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}
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HMI_TYPES = HMI_TYPES_DESC.keys()
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ScriptDirectory = paths.AbsDir(__file__)
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class HMITreeNode(object):
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    def __init__(self, path, name, nodetype, iectype = None, vartype = None, cpath = None, hmiclass = None):
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        self.path = path
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        self.name = name
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        self.nodetype = nodetype
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        self.hmiclass = hmiclass
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        if iectype is not None:
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            self.iectype = iectype
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            self.vartype = vartype
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            self.cpath = cpath
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        if nodetype in ["HMI_NODE", "HMI_ROOT"]:
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            self.children = []
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    def pprint(self, indent = 0):
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        res = ">"*indent + pformat(self.__dict__, indent = indent, depth = 1) + "\n"
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        if hasattr(self, "children"):
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            res += "\n".join([child.pprint(indent = indent + 1)
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                              for child in self.children])
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            res += "\n"
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        return res
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    def place_node(self, node):
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        best_child = None
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        known_best_match = 0
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        for child in self.children:
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            if child.path is not None:
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                in_common = 0
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                for child_path_item, node_path_item in izip(child.path, node.path):
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                    if child_path_item == node_path_item:
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                        in_common +=1
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                    else:
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                        break
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                if in_common > known_best_match:
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                    known_best_match = in_common
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                    best_child = child
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        if best_child is not None and best_child.nodetype == "HMI_NODE":
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            best_child.place_node(node)
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        else:
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            self.children.append(node)
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    def etree(self, add_hash=False):
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        attribs = dict(name=self.name)
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        if self.path is not None:
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            attribs["path"] = ".".join(self.path)
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        if self.hmiclass is not None:
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            attribs["class"] = self.hmiclass
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        if add_hash:
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            attribs["hash"] = ",".join(map(str,self.hash()))
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        res = etree.Element(self.nodetype, **attribs)
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        if hasattr(self, "children"):
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            for child_etree in imap(lambda c:c.etree(), self.children):
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                res.append(child_etree)
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        return res
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    def traverse(self):
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        yield self
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        if hasattr(self, "children"):
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            for c in self.children:
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                for yoodl in c.traverse():
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                    yield yoodl
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    def hash(self):
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        """ Produce a hash, any change in HMI tree structure change that hash """
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        s = hashlib.new('md5')
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        self._hash(s)
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        # limit size to HMI_HASH_SIZE as in svghmi.c
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        return map(ord,s.digest())[:8]
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    def _hash(self, s):
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        s.update(str((self.name,self.nodetype)))
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        if hasattr(self, "children"):
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            for c in self.children:
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                c._hash(s)
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# module scope for HMITree root
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# so that CTN can use HMITree deduced in Library
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# note: this only works because library's Generate_C is
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#       systematicaly invoked before CTN's CTNGenerate_C
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hmi_tree_root = None
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on_hmitree_update = None
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SPECIAL_NODES = [("heartbeat", "HMI_INT")]
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                 # ("current_page", "HMI_STRING")])
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class SVGHMILibrary(POULibrary):
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    def GetLibraryPath(self):
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         return paths.AbsNeighbourFile(__file__, "pous.xml")
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    def Generate_C(self, buildpath, varlist, IECCFLAGS):
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        global hmi_tree_root, on_hmitree_update
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        """
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        PLC Instance Tree:
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          prog0
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           +->v1 HMI_INT
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           +->v2 HMI_INT
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           +->fb0 (type mhoo)
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           |   +->va HMI_NODE
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           |   +->v3 HMI_INT
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           |   +->v4 HMI_INT
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           |
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           +->fb1 (type mhoo)
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           |   +->va HMI_NODE
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           |   +->v3 HMI_INT
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           |   +->v4 HMI_INT
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           |
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           +->fb2
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               +->v5 HMI_IN
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        HMI tree:
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          hmi0
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           +->v1
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           +->v2
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           +->fb0 class:va
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           |   +-> v3
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           |   +-> v4
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           |
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           +->fb1 class:va
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           |   +-> v3
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           |   +-> v4
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           |
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           +->v5
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        """
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        # Filter known HMI types
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        hmi_types_instances = [v for v in varlist if v["derived"] in HMI_TYPES]
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        hmi_tree_root = HMITreeNode(None, "/", "HMI_ROOT")
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        # deduce HMI tree from PLC HMI_* instances
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        for v in hmi_types_instances:
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            path = v["IEC_path"].split(".")
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            # ignores variables starting with _TMP_
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            if path[-1].startswith("_TMP_"):
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                continue
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            derived = v["derived"]
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            kwargs={}
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            if derived == "HMI_NODE":
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                # TODO : make problem if HMI_NODE used in CONFIG or RESOURCE
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                name = path[-2]
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                kwargs['hmiclass'] = path[-1]
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            else:
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                name = path[-1]
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            new_node = HMITreeNode(path, name, derived, v["type"], v["vartype"], v["C_path"], **kwargs)
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            hmi_tree_root.place_node(new_node)
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        if on_hmitree_update is not None:
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            on_hmitree_update()
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        variable_decl_array = []
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        extern_variables_declarations = []
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        buf_index = 0
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        item_count = 0
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        found_heartbeat = False
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        hearbeat_IEC_path = ['CONFIG', 'HEARTBEAT']
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        for node in hmi_tree_root.traverse():
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            if not found_heartbeat and node.path == hearbeat_IEC_path:
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                hmi_tree_hearbeat_index = item_count
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                found_heartbeat = True
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                extern_variables_declarations += [
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                    "#define heartbeat_index "+str(hmi_tree_hearbeat_index)
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                ]
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            if hasattr(node, "iectype"):
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                sz = DebugTypesSize.get(node.iectype, 0)
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                variable_decl_array += [
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                    "{&(" + node.cpath + "), " + node.iectype + {
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                        "EXT": "_P_ENUM",
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                        "IN":  "_P_ENUM",
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                        "MEM": "_O_ENUM",
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                        "OUT": "_O_ENUM",
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                        "VAR": "_ENUM"
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                    }[node.vartype] + ", " +
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                    str(buf_index) + ", 0, }"]
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                buf_index += sz
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                item_count += 1
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                if len(node.path) == 1:
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                    extern_variables_declarations += [
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                        "extern __IEC_" + node.iectype + "_" +
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                        "t" if node.vartype is "VAR" else "p"
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                        + node.cpath + ";"]
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        assert(found_heartbeat)
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        # TODO : filter only requiered external declarations
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        for v in varlist:
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            if v["C_path"].find('.') < 0:
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                extern_variables_declarations += [
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                    "extern %(type)s %(C_path)s;" % v]
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        # TODO check if programs need to be declared separately
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        # "programs_declarations": "\n".join(["extern %(type)s %(C_path)s;" %
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        #                                     p for p in self._ProgramList]),
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        # C code to observe/access HMI tree variables
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        svghmi_c_filepath = paths.AbsNeighbourFile(__file__, "svghmi.c")
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        svghmi_c_file = open(svghmi_c_filepath, 'r')
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        svghmi_c_code = svghmi_c_file.read()
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        svghmi_c_file.close()
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        svghmi_c_code = svghmi_c_code % {
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            "variable_decl_array": ",\n".join(variable_decl_array),
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            "extern_variables_declarations": "\n".join(extern_variables_declarations),
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            "buffer_size": buf_index,
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            "item_count": item_count,
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            "var_access_code": targets.GetCode("var_access.c"),
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            "PLC_ticktime": self.GetCTR().GetTicktime(),
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            "hmi_hash_ints": ",".join(map(str,hmi_tree_root.hash()))
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            }
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        gen_svghmi_c_path = os.path.join(buildpath, "svghmi.c")
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        gen_svghmi_c = open(gen_svghmi_c_path, 'w')
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        gen_svghmi_c.write(svghmi_c_code)
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        gen_svghmi_c.close()
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        # Python based WebSocket HMITree Server
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        svghmiserverfile = open(paths.AbsNeighbourFile(__file__, "svghmi_server.py"), 'r')
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        svghmiservercode = svghmiserverfile.read()
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        svghmiserverfile.close()
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        runtimefile_path = os.path.join(buildpath, "runtime_svghmi.py")
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        runtimefile = open(runtimefile_path, 'w')
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        runtimefile.write(svghmiservercode)
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        runtimefile.close()
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        return ((["svghmi"], [(gen_svghmi_c_path, IECCFLAGS)], True), "",
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                ("runtime_svghmi0.py", open(runtimefile_path, "rb")))
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class HMITreeSelector(wx.TreeCtrl):
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    def __init__(self, parent):
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        global on_hmitree_update
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        wx.TreeCtrl.__init__(self,parent,style=wx.TR_MULTIPLE)# | wx.TR_HIDE_ROOT)
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        isz = (16,16)
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        self.il = il = wx.ImageList(*isz)
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        self.fldridx     = il.AddIcon(wx.ArtProvider.GetIcon(wx.ART_FOLDER,      wx.ART_OTHER, isz))
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        self.fldropenidx = il.AddIcon(wx.ArtProvider.GetIcon(wx.ART_FOLDER_OPEN, wx.ART_OTHER, isz))
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        self.fileidx     = il.AddIcon(wx.ArtProvider.GetIcon(wx.ART_NORMAL_FILE, wx.ART_OTHER, isz))
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        self.SetImageList(il)
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        on_hmitree_update = self.SVGHMIEditorUpdater()
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        self.MakeTree()
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    def _recurseTree(self, current_hmitree_root, current_tc_root):
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        for c in current_hmitree_root.children:
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            if hasattr(c, "children"):
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                display_name = ('{} (class={})'.format(c.name, c.hmiclass)) \
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                               if c.hmiclass is not None else c.name
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                tc_child = self.AppendItem(current_tc_root, display_name)
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                self.SetPyData(tc_child, None)
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                self.SetItemImage(tc_child, self.fldridx, wx.TreeItemIcon_Normal)
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                self.SetItemImage(tc_child, self.fldropenidx, wx.TreeItemIcon_Expanded)
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                self._recurseTree(c,tc_child)
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            else:
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                display_name = '{} {}'.format(c.nodetype[4:], c.name)
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                tc_child = self.AppendItem(current_tc_root, display_name)
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                self.SetPyData(tc_child, None)
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                self.SetItemImage(tc_child, self.fileidx, wx.TreeItemIcon_Normal)
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                self.SetItemImage(tc_child, self.fileidx, wx.TreeItemIcon_Expanded)
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    def MakeTree(self):
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        global hmi_tree_root
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        self.Freeze()
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        self.root = None
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        self.DeleteAllItems()
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        root_display_name = _("Please build to see HMI Tree") if hmi_tree_root is None else "HMI"
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        self.root = self.AddRoot(root_display_name)
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        self.SetPyData(self.root, None)
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        self.SetItemImage(self.root, self.fldridx, wx.TreeItemIcon_Normal)
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        self.SetItemImage(self.root, self.fldropenidx, wx.TreeItemIcon_Expanded)
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        if hmi_tree_root is not None:
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            self._recurseTree(hmi_tree_root, self.root)
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        self.Thaw()
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    def SVGHMIEditorUpdater(self):
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        selfref = weakref.ref(self)
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        def SVGHMIEditorUpdate():
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            o = selfref()
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            if o is not None:
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                wx.CallAfter(o.MakeTree)
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        return SVGHMIEditorUpdate
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class HMITreeView(wx.SplitterWindow):
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    def __init__(self, parent):
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        wx.SplitterWindow.__init__(self, parent,
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                                   style=wx.SUNKEN_BORDER | wx.SP_3D)
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        self.SelectionTree = HMITreeSelector(self)
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        #self.Staging = wx.Panel(self)
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        #self.SplitHorizontally(self.SelectionTree, self.Staging, 200)
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        self.Initialize(self.SelectionTree)
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class SVGHMIEditor(ConfTreeNodeEditor):
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    CONFNODEEDITOR_TABS = [
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        (_("HMI Tree"), "CreateHMITreeView")]
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   363
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   364
    def CreateHMITreeView(self, parent):
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        #self.HMITreeView = HMITreeView(self)
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   366
        return HMITreeSelector(parent)
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   367
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   368
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class SVGHMI(object):
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    XSD = """<?xml version="1.0" encoding="utf-8" ?>
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    <xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema">
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   372
      <xsd:element name="SVGHMI">
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   373
        <xsd:complexType>
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   374
          <xsd:attribute name="OnStart" type="xsd:string" use="optional"/>
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          <xsd:attribute name="OnStop" type="xsd:string" use="optional"/>
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   376
          <xsd:attribute name="OnWatchdog" type="xsd:string" use="optional"/>
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   377
          <xsd:attribute name="WatchdogInitial" type="xsd:integer" use="optional"/>
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   378
          <xsd:attribute name="WatchdogInterval" type="xsd:integer" use="optional"/>
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   379
        </xsd:complexType>
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   380
      </xsd:element>
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   381
    </xsd:schema>
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    """
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   383
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   384
    EditorType = SVGHMIEditor
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   385
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   386
    ConfNodeMethods = [
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   387
        {
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            "bitmap":    "ImportSVG",
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   389
            "name":    _("Import SVG"),
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   390
            "tooltip": _("Import SVG"),
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   391
            "method":   "_ImportSVG"
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   392
        },
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   393
        {
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   394
            "bitmap":    "ImportSVG",  # should be something different
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   395
            "name":    _("Inkscape"),
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   396
            "tooltip": _("Edit HMI"),
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   397
            "method":   "_StartInkscape"
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   398
        },
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   399
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        # TODO : Launch POEdit button
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   401
        #        PO -> SVG layers button
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   402
        #        SVG layers -> PO
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diff changeset
   403
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   404
        # TODO : HMITree button
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   405
        #        - can drag'n'drop variabes to Inkscape
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   406
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   407
    ]
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   408
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   409
    def _getSVGpath(self, project_path=None):
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diff changeset
   410
        if project_path is None:
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   411
            project_path = self.CTNPath()
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   412
        return os.path.join(project_path, "svghmi.svg")
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   413
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   414
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   415
    def OnCTNSave(self, from_project_path=None):
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   416
        if from_project_path is not None:
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   417
            shutil.copyfile(self._getSVGpath(from_project_path),
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   418
                            self._getSVGpath())
2750
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   419
        return True
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diff changeset
   420
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   421
    def GetSVGGeometry(self):
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   422
        # invoke inskscape -S, csv-parse output, produce elements
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   423
        InkscapeGeomColumns = ["Id", "x", "y", "w", "h"]
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   424
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   425
        inkpath = get_inkscape_path()
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   426
        svgpath = self._getSVGpath()
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   427
        _status, result, _err_result = ProcessLogger(None,
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diff changeset
   428
                                                     inkpath + " -S " + svgpath,
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diff changeset
   429
                                                     no_stdout=True,
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   430
                                                     no_stderr=True).spin()
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   431
        res = []
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   432
        for line in result.split():
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   433
            strippedline = line.strip()
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diff changeset
   434
            attrs = dict(
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   435
                zip(InkscapeGeomColumns, line.strip().split(',')))
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   436
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diff changeset
   437
            res.append(etree.Element("bbox", **attrs))
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   438
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diff changeset
   439
        return res
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diff changeset
   440
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   441
    def GetHMITree(self):
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diff changeset
   442
        global hmi_tree_root
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diff changeset
   443
        res = [hmi_tree_root.etree(add_hash=True)]
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diff changeset
   444
        return res
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diff changeset
   445
2745
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   446
    def CTNGenerate_C(self, buildpath, locations):
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   447
        """
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   448
        Return C code generated by iec2c compiler
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   449
        when _generate_softPLC have been called
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   450
        @param locations: ignored
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   451
        @return: [(C_file_name, CFLAGS),...] , LDFLAGS_TO_APPEND
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   452
        """
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parents:
diff changeset
   453
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diff changeset
   454
        location_str = "_".join(map(str, self.GetCurrentLocation()))
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parents: 2768
diff changeset
   455
        view_name = self.BaseParams.getName()
361366b891ca WIP on svghmi, now builds and runs. HTTP serving + WS transport ready, missing actual data to transmit and thread to collect it.
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parents: 2768
diff changeset
   456
2745
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diff changeset
   457
        svgfile = self._getSVGpath()
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Edouard Tisserant
parents: 2768
diff changeset
   458
361366b891ca WIP on svghmi, now builds and runs. HTTP serving + WS transport ready, missing actual data to transmit and thread to collect it.
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parents: 2768
diff changeset
   459
        res = ([], "", False)
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diff changeset
   460
2812
68ac5bf43525 SVGHMI: various fixes to make SVGHMI behave on more versions of twisted and GCC.
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parents: 2789
diff changeset
   461
        target_fname = "svghmi_"+location_str+".xhtml"
2771
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parents: 2768
diff changeset
   462
361366b891ca WIP on svghmi, now builds and runs. HTTP serving + WS transport ready, missing actual data to transmit and thread to collect it.
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parents: 2768
diff changeset
   463
        target_path = os.path.join(self._getBuildPath(), target_fname)
2812
68ac5bf43525 SVGHMI: various fixes to make SVGHMI behave on more versions of twisted and GCC.
Edouard Tisserant
parents: 2789
diff changeset
   464
        target_file = open(target_path, 'wb')
2771
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parents: 2768
diff changeset
   465
2745
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parents:
diff changeset
   466
        if os.path.exists(svgfile):
2753
9a7e12e96399 SVGHMI: Added XSLT transformation, Makefile to get XSLT from ysl2 (copy of plcopen/Makefile) and a minimal stylesheet to start with.
Edouard Tisserant
parents: 2750
diff changeset
   467
9a7e12e96399 SVGHMI: Added XSLT transformation, Makefile to get XSLT from ysl2 (copy of plcopen/Makefile) and a minimal stylesheet to start with.
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parents: 2750
diff changeset
   468
            # TODO : move to __init__
9a7e12e96399 SVGHMI: Added XSLT transformation, Makefile to get XSLT from ysl2 (copy of plcopen/Makefile) and a minimal stylesheet to start with.
Edouard Tisserant
parents: 2750
diff changeset
   469
            transform = XSLTransform(os.path.join(ScriptDirectory, "gen_index_xhtml.xslt"),
2763
ce04d79b8e57 Pass HMITree to SVG transform. It seems it could really help to reduce JS tree binding logic in the end.
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parents: 2762
diff changeset
   470
                          [("GetSVGGeometry", lambda *_ignored:self.GetSVGGeometry()),
ce04d79b8e57 Pass HMITree to SVG transform. It seems it could really help to reduce JS tree binding logic in the end.
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parents: 2762
diff changeset
   471
                           ("GetHMITree", lambda *_ignored:self.GetHMITree())])
2753
9a7e12e96399 SVGHMI: Added XSLT transformation, Makefile to get XSLT from ysl2 (copy of plcopen/Makefile) and a minimal stylesheet to start with.
Edouard Tisserant
parents: 2750
diff changeset
   472
9a7e12e96399 SVGHMI: Added XSLT transformation, Makefile to get XSLT from ysl2 (copy of plcopen/Makefile) and a minimal stylesheet to start with.
Edouard Tisserant
parents: 2750
diff changeset
   473
9a7e12e96399 SVGHMI: Added XSLT transformation, Makefile to get XSLT from ysl2 (copy of plcopen/Makefile) and a minimal stylesheet to start with.
Edouard Tisserant
parents: 2750
diff changeset
   474
            # load svg as a DOM with Etree
9a7e12e96399 SVGHMI: Added XSLT transformation, Makefile to get XSLT from ysl2 (copy of plcopen/Makefile) and a minimal stylesheet to start with.
Edouard Tisserant
parents: 2750
diff changeset
   475
            svgdom = etree.parse(svgfile)
9a7e12e96399 SVGHMI: Added XSLT transformation, Makefile to get XSLT from ysl2 (copy of plcopen/Makefile) and a minimal stylesheet to start with.
Edouard Tisserant
parents: 2750
diff changeset
   476
9a7e12e96399 SVGHMI: Added XSLT transformation, Makefile to get XSLT from ysl2 (copy of plcopen/Makefile) and a minimal stylesheet to start with.
Edouard Tisserant
parents: 2750
diff changeset
   477
            # call xslt transform on Inkscape's SVG to generate XHTML
2834
6ac6a9dff594 SVGHMI: be a bit more tolerant with missing HMI paths or missing elements in widgets : continue build (with warning) and fail silently at runtime.
Edouard Tisserant
parents: 2831
diff changeset
   478
            try: 
2814
2cabc4773885 SVGHMI: HMI_LABEL and HMI_CLASS become HMI_NODE.
Edouard Tisserant
parents: 2812
diff changeset
   479
                result = transform.transform(svgdom)
2cabc4773885 SVGHMI: HMI_LABEL and HMI_CLASS become HMI_NODE.
Edouard Tisserant
parents: 2812
diff changeset
   480
            except XSLTApplyError as e:
2cabc4773885 SVGHMI: HMI_LABEL and HMI_CLASS become HMI_NODE.
Edouard Tisserant
parents: 2812
diff changeset
   481
                self.FatalError("SVGHMI " + view_name  + ": " + e.message)
2834
6ac6a9dff594 SVGHMI: be a bit more tolerant with missing HMI paths or missing elements in widgets : continue build (with warning) and fail silently at runtime.
Edouard Tisserant
parents: 2831
diff changeset
   482
            finally:
6ac6a9dff594 SVGHMI: be a bit more tolerant with missing HMI paths or missing elements in widgets : continue build (with warning) and fail silently at runtime.
Edouard Tisserant
parents: 2831
diff changeset
   483
                for entry in transform.get_error_log():
6ac6a9dff594 SVGHMI: be a bit more tolerant with missing HMI paths or missing elements in widgets : continue build (with warning) and fail silently at runtime.
Edouard Tisserant
parents: 2831
diff changeset
   484
                    message = "SVGHMI: "+ entry.message + "\n" 
6ac6a9dff594 SVGHMI: be a bit more tolerant with missing HMI paths or missing elements in widgets : continue build (with warning) and fail silently at runtime.
Edouard Tisserant
parents: 2831
diff changeset
   485
                    self.GetCTRoot().logger.write_warning(message)
2817
45bbfb2e120f Non significant changes, whitespaces, etc.
Edouard Tisserant
parents: 2816
diff changeset
   486
2771
361366b891ca WIP on svghmi, now builds and runs. HTTP serving + WS transport ready, missing actual data to transmit and thread to collect it.
Edouard Tisserant
parents: 2768
diff changeset
   487
            result.write(target_file, encoding="utf-8")
2764
b75cc2cf4e50 SVGHMI: draft for svghmi.c. It has all PLC variables pointed in HMI tree in an array.
Edouard Tisserant
parents: 2763
diff changeset
   488
            # print(str(result))
b75cc2cf4e50 SVGHMI: draft for svghmi.c. It has all PLC variables pointed in HMI tree in an array.
Edouard Tisserant
parents: 2763
diff changeset
   489
            # print(transform.xslt.error_log)
2753
9a7e12e96399 SVGHMI: Added XSLT transformation, Makefile to get XSLT from ysl2 (copy of plcopen/Makefile) and a minimal stylesheet to start with.
Edouard Tisserant
parents: 2750
diff changeset
   490
9a7e12e96399 SVGHMI: Added XSLT transformation, Makefile to get XSLT from ysl2 (copy of plcopen/Makefile) and a minimal stylesheet to start with.
Edouard Tisserant
parents: 2750
diff changeset
   491
            # TODO
2745
535eb0b8bd9d Skeleton for svghmi extension
Edouard Tisserant
parents:
diff changeset
   492
            #   - Errors on HMI semantics
535eb0b8bd9d Skeleton for svghmi extension
Edouard Tisserant
parents:
diff changeset
   493
            #   - ... maybe something to have a global view of what is declared in SVG.
2753
9a7e12e96399 SVGHMI: Added XSLT transformation, Makefile to get XSLT from ysl2 (copy of plcopen/Makefile) and a minimal stylesheet to start with.
Edouard Tisserant
parents: 2750
diff changeset
   494
2745
535eb0b8bd9d Skeleton for svghmi extension
Edouard Tisserant
parents:
diff changeset
   495
        else:
2817
45bbfb2e120f Non significant changes, whitespaces, etc.
Edouard Tisserant
parents: 2816
diff changeset
   496
            # TODO : use default svg that expose the HMI tree as-is
2771
361366b891ca WIP on svghmi, now builds and runs. HTTP serving + WS transport ready, missing actual data to transmit and thread to collect it.
Edouard Tisserant
parents: 2768
diff changeset
   497
            target_file.write("""<!DOCTYPE html>
361366b891ca WIP on svghmi, now builds and runs. HTTP serving + WS transport ready, missing actual data to transmit and thread to collect it.
Edouard Tisserant
parents: 2768
diff changeset
   498
<html>
361366b891ca WIP on svghmi, now builds and runs. HTTP serving + WS transport ready, missing actual data to transmit and thread to collect it.
Edouard Tisserant
parents: 2768
diff changeset
   499
<body>
361366b891ca WIP on svghmi, now builds and runs. HTTP serving + WS transport ready, missing actual data to transmit and thread to collect it.
Edouard Tisserant
parents: 2768
diff changeset
   500
<h1> No SVG file provided </h1>
361366b891ca WIP on svghmi, now builds and runs. HTTP serving + WS transport ready, missing actual data to transmit and thread to collect it.
Edouard Tisserant
parents: 2768
diff changeset
   501
</body>
361366b891ca WIP on svghmi, now builds and runs. HTTP serving + WS transport ready, missing actual data to transmit and thread to collect it.
Edouard Tisserant
parents: 2768
diff changeset
   502
</html>
361366b891ca WIP on svghmi, now builds and runs. HTTP serving + WS transport ready, missing actual data to transmit and thread to collect it.
Edouard Tisserant
parents: 2768
diff changeset
   503
""")
361366b891ca WIP on svghmi, now builds and runs. HTTP serving + WS transport ready, missing actual data to transmit and thread to collect it.
Edouard Tisserant
parents: 2768
diff changeset
   504
361366b891ca WIP on svghmi, now builds and runs. HTTP serving + WS transport ready, missing actual data to transmit and thread to collect it.
Edouard Tisserant
parents: 2768
diff changeset
   505
        target_file.close()
361366b891ca WIP on svghmi, now builds and runs. HTTP serving + WS transport ready, missing actual data to transmit and thread to collect it.
Edouard Tisserant
parents: 2768
diff changeset
   506
2772
3f1dd8312710 SVGHMI: few fixes on serving
Edouard Tisserant
parents: 2771
diff changeset
   507
        res += ((target_fname, open(target_path, "rb")),)
2828
be947a338760 SVGHMI : cosmetic
Edouard Tisserant
parents: 2826
diff changeset
   508
2823
d631f8671c75 SVGHMI : add on Start, Stop and Watchdog command fields to configuration
Edouard Tisserant
parents: 2822
diff changeset
   509
        svghmi_cmds = {}
d631f8671c75 SVGHMI : add on Start, Stop and Watchdog command fields to configuration
Edouard Tisserant
parents: 2822
diff changeset
   510
        for thing in ["Start", "Stop", "Watchdog"]:
d631f8671c75 SVGHMI : add on Start, Stop and Watchdog command fields to configuration
Edouard Tisserant
parents: 2822
diff changeset
   511
             given_command = self.GetParamsAttributes("SVGHMI.On"+thing)["value"]
2824
074f43e6e114 SVGHMI : Added python fomating {port} and {name} to commands so that command can build target URL
Edouard Tisserant <edouard.tisserant@gmail.com>
parents: 2823
diff changeset
   512
             svghmi_cmds[thing] = (
074f43e6e114 SVGHMI : Added python fomating {port} and {name} to commands so that command can build target URL
Edouard Tisserant <edouard.tisserant@gmail.com>
parents: 2823
diff changeset
   513
                "Popen(" +
2828
be947a338760 SVGHMI : cosmetic
Edouard Tisserant
parents: 2826
diff changeset
   514
                repr(shlex.split(given_command.format(port="8008", name=view_name))) +
2834
6ac6a9dff594 SVGHMI: be a bit more tolerant with missing HMI paths or missing elements in widgets : continue build (with warning) and fail silently at runtime.
Edouard Tisserant
parents: 2831
diff changeset
   515
                ")") if given_command else "pass # no command given"
2772
3f1dd8312710 SVGHMI: few fixes on serving
Edouard Tisserant
parents: 2771
diff changeset
   516
2771
361366b891ca WIP on svghmi, now builds and runs. HTTP serving + WS transport ready, missing actual data to transmit and thread to collect it.
Edouard Tisserant
parents: 2768
diff changeset
   517
        runtimefile_path = os.path.join(buildpath, "runtime_svghmi1_%s.py" % location_str)
361366b891ca WIP on svghmi, now builds and runs. HTTP serving + WS transport ready, missing actual data to transmit and thread to collect it.
Edouard Tisserant
parents: 2768
diff changeset
   518
        runtimefile = open(runtimefile_path, 'w')
361366b891ca WIP on svghmi, now builds and runs. HTTP serving + WS transport ready, missing actual data to transmit and thread to collect it.
Edouard Tisserant
parents: 2768
diff changeset
   519
        runtimefile.write("""
2831
6c9cfdbe94dc SVGHMI : watchdog is now taking an initial and interval duration as CTN fields.
Edouard Tisserant
parents: 2830
diff changeset
   520
# TODO : multiple watchdog (one for each svghmi instance)
6c9cfdbe94dc SVGHMI : watchdog is now taking an initial and interval duration as CTN fields.
Edouard Tisserant
parents: 2830
diff changeset
   521
def svghmi_watchdog_trigger():
2828
be947a338760 SVGHMI : cosmetic
Edouard Tisserant
parents: 2826
diff changeset
   522
    {svghmi_cmds[Watchdog]}
2824
074f43e6e114 SVGHMI : Added python fomating {port} and {name} to commands so that command can build target URL
Edouard Tisserant <edouard.tisserant@gmail.com>
parents: 2823
diff changeset
   523
2831
6c9cfdbe94dc SVGHMI : watchdog is now taking an initial and interval duration as CTN fields.
Edouard Tisserant
parents: 2830
diff changeset
   524
svghmi_watchdog = None
6c9cfdbe94dc SVGHMI : watchdog is now taking an initial and interval duration as CTN fields.
Edouard Tisserant
parents: 2830
diff changeset
   525
2824
074f43e6e114 SVGHMI : Added python fomating {port} and {name} to commands so that command can build target URL
Edouard Tisserant <edouard.tisserant@gmail.com>
parents: 2823
diff changeset
   526
def _runtime_svghmi1_{location}_start():
2831
6c9cfdbe94dc SVGHMI : watchdog is now taking an initial and interval duration as CTN fields.
Edouard Tisserant
parents: 2830
diff changeset
   527
    global svghmi_watchdog
6c9cfdbe94dc SVGHMI : watchdog is now taking an initial and interval duration as CTN fields.
Edouard Tisserant
parents: 2830
diff changeset
   528
    svghmi_root.putChild(
6c9cfdbe94dc SVGHMI : watchdog is now taking an initial and interval duration as CTN fields.
Edouard Tisserant
parents: 2830
diff changeset
   529
        '{view_name}',
6c9cfdbe94dc SVGHMI : watchdog is now taking an initial and interval duration as CTN fields.
Edouard Tisserant
parents: 2830
diff changeset
   530
        NoCacheFile('{xhtml}',
6c9cfdbe94dc SVGHMI : watchdog is now taking an initial and interval duration as CTN fields.
Edouard Tisserant
parents: 2830
diff changeset
   531
        defaultType='application/xhtml+xml'))
6c9cfdbe94dc SVGHMI : watchdog is now taking an initial and interval duration as CTN fields.
Edouard Tisserant
parents: 2830
diff changeset
   532
2828
be947a338760 SVGHMI : cosmetic
Edouard Tisserant
parents: 2826
diff changeset
   533
    {svghmi_cmds[Start]}
2824
074f43e6e114 SVGHMI : Added python fomating {port} and {name} to commands so that command can build target URL
Edouard Tisserant <edouard.tisserant@gmail.com>
parents: 2823
diff changeset
   534
2831
6c9cfdbe94dc SVGHMI : watchdog is now taking an initial and interval duration as CTN fields.
Edouard Tisserant
parents: 2830
diff changeset
   535
    svghmi_watchdog = Watchdog(
6c9cfdbe94dc SVGHMI : watchdog is now taking an initial and interval duration as CTN fields.
Edouard Tisserant
parents: 2830
diff changeset
   536
        {watchdog_initial}, 
6c9cfdbe94dc SVGHMI : watchdog is now taking an initial and interval duration as CTN fields.
Edouard Tisserant
parents: 2830
diff changeset
   537
        {watchdog_interval}, 
6c9cfdbe94dc SVGHMI : watchdog is now taking an initial and interval duration as CTN fields.
Edouard Tisserant
parents: 2830
diff changeset
   538
        svghmi_watchdog_trigger)
6c9cfdbe94dc SVGHMI : watchdog is now taking an initial and interval duration as CTN fields.
Edouard Tisserant
parents: 2830
diff changeset
   539
2824
074f43e6e114 SVGHMI : Added python fomating {port} and {name} to commands so that command can build target URL
Edouard Tisserant <edouard.tisserant@gmail.com>
parents: 2823
diff changeset
   540
def _runtime_svghmi1_{location}_stop():
2831
6c9cfdbe94dc SVGHMI : watchdog is now taking an initial and interval duration as CTN fields.
Edouard Tisserant
parents: 2830
diff changeset
   541
    global svghmi_watchdog
6c9cfdbe94dc SVGHMI : watchdog is now taking an initial and interval duration as CTN fields.
Edouard Tisserant
parents: 2830
diff changeset
   542
    if svghmi_watchdog is not None:
6c9cfdbe94dc SVGHMI : watchdog is now taking an initial and interval duration as CTN fields.
Edouard Tisserant
parents: 2830
diff changeset
   543
        svghmi_watchdog.cancel()
6c9cfdbe94dc SVGHMI : watchdog is now taking an initial and interval duration as CTN fields.
Edouard Tisserant
parents: 2830
diff changeset
   544
        svghmi_watchdog = None
6c9cfdbe94dc SVGHMI : watchdog is now taking an initial and interval duration as CTN fields.
Edouard Tisserant
parents: 2830
diff changeset
   545
2824
074f43e6e114 SVGHMI : Added python fomating {port} and {name} to commands so that command can build target URL
Edouard Tisserant <edouard.tisserant@gmail.com>
parents: 2823
diff changeset
   546
    svghmi_root.delEntity('{view_name}')
2828
be947a338760 SVGHMI : cosmetic
Edouard Tisserant
parents: 2826
diff changeset
   547
    {svghmi_cmds[Stop]}
2824
074f43e6e114 SVGHMI : Added python fomating {port} and {name} to commands so that command can build target URL
Edouard Tisserant <edouard.tisserant@gmail.com>
parents: 2823
diff changeset
   548
074f43e6e114 SVGHMI : Added python fomating {port} and {name} to commands so that command can build target URL
Edouard Tisserant <edouard.tisserant@gmail.com>
parents: 2823
diff changeset
   549
        """.format(location=location_str,
074f43e6e114 SVGHMI : Added python fomating {port} and {name} to commands so that command can build target URL
Edouard Tisserant <edouard.tisserant@gmail.com>
parents: 2823
diff changeset
   550
                   xhtml=target_fname,
074f43e6e114 SVGHMI : Added python fomating {port} and {name} to commands so that command can build target URL
Edouard Tisserant <edouard.tisserant@gmail.com>
parents: 2823
diff changeset
   551
                   view_name=view_name,
2831
6c9cfdbe94dc SVGHMI : watchdog is now taking an initial and interval duration as CTN fields.
Edouard Tisserant
parents: 2830
diff changeset
   552
                   svghmi_cmds=svghmi_cmds,
6c9cfdbe94dc SVGHMI : watchdog is now taking an initial and interval duration as CTN fields.
Edouard Tisserant
parents: 2830
diff changeset
   553
                   watchdog_initial = self.GetParamsAttributes("SVGHMI.WatchdogInitial")["value"],
6c9cfdbe94dc SVGHMI : watchdog is now taking an initial and interval duration as CTN fields.
Edouard Tisserant
parents: 2830
diff changeset
   554
                   watchdog_interval = self.GetParamsAttributes("SVGHMI.WatchdogInterval")["value"],
6c9cfdbe94dc SVGHMI : watchdog is now taking an initial and interval duration as CTN fields.
Edouard Tisserant
parents: 2830
diff changeset
   555
                   ))
2771
361366b891ca WIP on svghmi, now builds and runs. HTTP serving + WS transport ready, missing actual data to transmit and thread to collect it.
Edouard Tisserant
parents: 2768
diff changeset
   556
361366b891ca WIP on svghmi, now builds and runs. HTTP serving + WS transport ready, missing actual data to transmit and thread to collect it.
Edouard Tisserant
parents: 2768
diff changeset
   557
        runtimefile.close()
361366b891ca WIP on svghmi, now builds and runs. HTTP serving + WS transport ready, missing actual data to transmit and thread to collect it.
Edouard Tisserant
parents: 2768
diff changeset
   558
361366b891ca WIP on svghmi, now builds and runs. HTTP serving + WS transport ready, missing actual data to transmit and thread to collect it.
Edouard Tisserant
parents: 2768
diff changeset
   559
        res += (("runtime_svghmi1_%s.py" % location_str, open(runtimefile_path, "rb")),)
2745
535eb0b8bd9d Skeleton for svghmi extension
Edouard Tisserant
parents:
diff changeset
   560
535eb0b8bd9d Skeleton for svghmi extension
Edouard Tisserant
parents:
diff changeset
   561
        return res
535eb0b8bd9d Skeleton for svghmi extension
Edouard Tisserant
parents:
diff changeset
   562
535eb0b8bd9d Skeleton for svghmi extension
Edouard Tisserant
parents:
diff changeset
   563
    def _ImportSVG(self):
535eb0b8bd9d Skeleton for svghmi extension
Edouard Tisserant
parents:
diff changeset
   564
        dialog = wx.FileDialog(self.GetCTRoot().AppFrame, _("Choose a SVG file"), os.getcwd(), "",  _("SVG files (*.svg)|*.svg|All files|*.*"), wx.OPEN)
535eb0b8bd9d Skeleton for svghmi extension
Edouard Tisserant
parents:
diff changeset
   565
        if dialog.ShowModal() == wx.ID_OK:
535eb0b8bd9d Skeleton for svghmi extension
Edouard Tisserant
parents:
diff changeset
   566
            svgpath = dialog.GetPath()
535eb0b8bd9d Skeleton for svghmi extension
Edouard Tisserant
parents:
diff changeset
   567
            if os.path.isfile(svgpath):
535eb0b8bd9d Skeleton for svghmi extension
Edouard Tisserant
parents:
diff changeset
   568
                shutil.copy(svgpath, self._getSVGpath())
535eb0b8bd9d Skeleton for svghmi extension
Edouard Tisserant
parents:
diff changeset
   569
            else:
535eb0b8bd9d Skeleton for svghmi extension
Edouard Tisserant
parents:
diff changeset
   570
                self.GetCTRoot().logger.write_error(_("No such SVG file: %s\n") % svgpath)
535eb0b8bd9d Skeleton for svghmi extension
Edouard Tisserant
parents:
diff changeset
   571
        dialog.Destroy()
535eb0b8bd9d Skeleton for svghmi extension
Edouard Tisserant
parents:
diff changeset
   572
535eb0b8bd9d Skeleton for svghmi extension
Edouard Tisserant
parents:
diff changeset
   573
    def _StartInkscape(self):
535eb0b8bd9d Skeleton for svghmi extension
Edouard Tisserant
parents:
diff changeset
   574
        svgfile = self._getSVGpath()
535eb0b8bd9d Skeleton for svghmi extension
Edouard Tisserant
parents:
diff changeset
   575
        open_inkscape = True
535eb0b8bd9d Skeleton for svghmi extension
Edouard Tisserant
parents:
diff changeset
   576
        if not self.GetCTRoot().CheckProjectPathPerm():
535eb0b8bd9d Skeleton for svghmi extension
Edouard Tisserant
parents:
diff changeset
   577
            dialog = wx.MessageDialog(self.GetCTRoot().AppFrame,
535eb0b8bd9d Skeleton for svghmi extension
Edouard Tisserant
parents:
diff changeset
   578
                                      _("You don't have write permissions.\nOpen Inkscape anyway ?"),
535eb0b8bd9d Skeleton for svghmi extension
Edouard Tisserant
parents:
diff changeset
   579
                                      _("Open Inkscape"),
535eb0b8bd9d Skeleton for svghmi extension
Edouard Tisserant
parents:
diff changeset
   580
                                      wx.YES_NO | wx.ICON_QUESTION)
535eb0b8bd9d Skeleton for svghmi extension
Edouard Tisserant
parents:
diff changeset
   581
            open_inkscape = dialog.ShowModal() == wx.ID_YES
535eb0b8bd9d Skeleton for svghmi extension
Edouard Tisserant
parents:
diff changeset
   582
            dialog.Destroy()
535eb0b8bd9d Skeleton for svghmi extension
Edouard Tisserant
parents:
diff changeset
   583
        if open_inkscape:
535eb0b8bd9d Skeleton for svghmi extension
Edouard Tisserant
parents:
diff changeset
   584
            if not os.path.isfile(svgfile):
535eb0b8bd9d Skeleton for svghmi extension
Edouard Tisserant
parents:
diff changeset
   585
                svgfile = None
535eb0b8bd9d Skeleton for svghmi extension
Edouard Tisserant
parents:
diff changeset
   586
            open_svg(svgfile)
2822
9101a72a1da0 SVGHMI: added a watchdog. To ensure that the whole chain is checked, watchdog use a periodic echo of a hearteat variable. JS client code systematically register /HEARTBEAT at 1s update freq, and reacts on updates of /HEARTBEAT by systematically incrementing it. C code catch /HEARTBEAT update and feeds python-implemented watchdog. For now, watchdog does nothing when tiggered
Edouard Tisserant
parents: 2818
diff changeset
   587
9101a72a1da0 SVGHMI: added a watchdog. To ensure that the whole chain is checked, watchdog use a periodic echo of a hearteat variable. JS client code systematically register /HEARTBEAT at 1s update freq, and reacts on updates of /HEARTBEAT by systematically incrementing it. C code catch /HEARTBEAT update and feeds python-implemented watchdog. For now, watchdog does nothing when tiggered
Edouard Tisserant
parents: 2818
diff changeset
   588
    def CTNGlobalInstances(self):
9101a72a1da0 SVGHMI: added a watchdog. To ensure that the whole chain is checked, watchdog use a periodic echo of a hearteat variable. JS client code systematically register /HEARTBEAT at 1s update freq, and reacts on updates of /HEARTBEAT by systematically incrementing it. C code catch /HEARTBEAT update and feeds python-implemented watchdog. For now, watchdog does nothing when tiggered
Edouard Tisserant
parents: 2818
diff changeset
   589
        # view_name = self.BaseParams.getName()
9101a72a1da0 SVGHMI: added a watchdog. To ensure that the whole chain is checked, watchdog use a periodic echo of a hearteat variable. JS client code systematically register /HEARTBEAT at 1s update freq, and reacts on updates of /HEARTBEAT by systematically incrementing it. C code catch /HEARTBEAT update and feeds python-implemented watchdog. For now, watchdog does nothing when tiggered
Edouard Tisserant
parents: 2818
diff changeset
   590
        # return [ (view_name + "_" + name, iec_type, "") for name, iec_type in SPECIAL_NODES]
9101a72a1da0 SVGHMI: added a watchdog. To ensure that the whole chain is checked, watchdog use a periodic echo of a hearteat variable. JS client code systematically register /HEARTBEAT at 1s update freq, and reacts on updates of /HEARTBEAT by systematically incrementing it. C code catch /HEARTBEAT update and feeds python-implemented watchdog. For now, watchdog does nothing when tiggered
Edouard Tisserant
parents: 2818
diff changeset
   591
        # TODO : move to library level for multiple hmi
9101a72a1da0 SVGHMI: added a watchdog. To ensure that the whole chain is checked, watchdog use a periodic echo of a hearteat variable. JS client code systematically register /HEARTBEAT at 1s update freq, and reacts on updates of /HEARTBEAT by systematically incrementing it. C code catch /HEARTBEAT update and feeds python-implemented watchdog. For now, watchdog does nothing when tiggered
Edouard Tisserant
parents: 2818
diff changeset
   592
        return [(name, iec_type, "") for name, iec_type in SPECIAL_NODES]
9101a72a1da0 SVGHMI: added a watchdog. To ensure that the whole chain is checked, watchdog use a periodic echo of a hearteat variable. JS client code systematically register /HEARTBEAT at 1s update freq, and reacts on updates of /HEARTBEAT by systematically incrementing it. C code catch /HEARTBEAT update and feeds python-implemented watchdog. For now, watchdog does nothing when tiggered
Edouard Tisserant
parents: 2818
diff changeset
   593