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#!/usr/bin/env python

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# -*- coding: utf-8 -*-

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#This file is part of PLCOpenEditor, a library implementing an IEC 61131-3 editor

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#based on the plcopen standard. 

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#

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#Copyright (C) 2007: Edouard TISSERANT and Laurent BESSARD

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#

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#See COPYING file for copyrights details.

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#

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#This library is free software; you can redistribute it and/or

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#modify it under the terms of the GNU General Public

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#License as published by the Free Software Foundation; either

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#version 2.1 of the License, or (at your option) any later version.

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#

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#This library is distributed in the hope that it will be useful,

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#but WITHOUT ANY WARRANTY; without even the implied warranty of

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#MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

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#General Public License for more details.

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#

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#You should have received a copy of the GNU General Public

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#License along with this library; if not, write to the Free Software

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#Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

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from xmlclass import *

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from types import *

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import os

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"""

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Dictionary that makes the relation between var names in plcopen and displayed values

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"""

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VarTypes = {"Local" : "localVars", "Temp" : "tempVars", "Input" : "inputVars",

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            "Output" : "outputVars", "InOut" : "inOutVars", "External" : "externalVars",

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            "Global" : "globalVars", "Access" : "accessVars"}

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"""

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Define in which order var types must be displayed

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"""

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VarOrder = ["Local","Temp","Input","Output","InOut","External","Global","Access"]

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"""

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Define which action qualifier must be associated with a duration 

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"""

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QualifierList = {"N" : False, "R" : False, "S" : False, "L" : True, "D" : True, 

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    "P" : False, "P0" : False, "P1" : False, "SD" : True, "DS" : True, "SL" : True}

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PLCOpenClasses, PLCOpenTypes = GenerateClassesFromXSD(os.path.join(os.path.split(__file__)[0], "TC6_XML_V10_B.xsd"))

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cls = PLCOpenClasses.get("formattedText", None)

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if cls:

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    cls.text = ""

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    def getText(self):

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        return self.text

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    setattr(cls, "getText", getText)

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    def setText(self, text):

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        self.text = text

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    setattr(cls, "setText", setText)

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    def loadXMLTree(self, tree):

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        self.text = GetAttributeValue(tree)

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        if len(self.text.splitlines()) > 1:

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            self.text = self.text[1:].rstrip()

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    setattr(cls, "loadXMLTree", loadXMLTree)

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    def generateXMLText(self, name, indent, extras = {}):

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        ind1, ind2 = getIndent(indent, name)

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        if len(self.text.splitlines()) > 1:

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            text = ind1 + "<%s>\n<![CDATA[\n"%name

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            text += "%s\n"%self.text

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            text += "]]>\n" + ind1 + "</%s>\n"%name

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            return text

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        else:

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            return ind1 + "<%s><![CDATA[%s]]></%s>\n"%(name, self.text, name)

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    setattr(cls, "generateXMLText", generateXMLText)

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    def updateElementName(self, old_name, new_name):

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        index = self.text.find(old_name)

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        while index != -1:

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            if index > 0 and (self.text[index - 1].isalnum() or self.text[index - 1] == "_"):

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                index = self.text.find(old_name, index + len(old_name))

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            elif index < len(self.text) - len(old_name) and (self.text[index + len(old_name)].isalnum() or self.text[index + len(old_name)] == "_"):

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                index = self.text.find(old_name, index + len(old_name))

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            else:

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                self.text = self.text[:index] + new_name + self.text[index + len(old_name):]

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                index = self.text.find(old_name, index + len(new_name))

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    setattr(cls, "updateElementName", updateElementName)

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cls = PLCOpenClasses.get("project", None)

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if cls:

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    cls.singleLineAttributes = False

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    def getFileHeader(self):

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        fileheader = {}

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        fileheader["companyName"] = self.fileHeader.getCompanyName()

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        if self.fileHeader.getCompanyURL():

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            fileheader["companyURL"] = self.fileHeader.getCompanyURL()

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        fileheader["productName"] = self.fileHeader.getProductName()

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        fileheader["productVersion"] = self.fileHeader.getProductVersion()

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        if self.fileHeader.getProductRelease():

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            fileheader["productRelease"] = self.fileHeader.getProductRelease()

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        fileheader["creationDateTime"] = self.fileHeader.getCreationDateTime()

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        if self.fileHeader.getContentDescription():

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            fileheader["contentDescription"] = self.fileHeader.getContentDescription()

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        return fileheader

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    setattr(cls, "getFileHeader", getFileHeader)

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    def setFileHeader(self, fileheader):

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        self.fileHeader.setCompanyName(fileheader["companyName"])

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        if "companyURL" in fileheader:

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            self.fileHeader.setCompanyURL(fileheader["companyURL"])

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        self.fileHeader.setProductName(fileheader["productName"])

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        self.fileHeader.setProductVersion(fileheader["productVersion"])

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        if "productRelease" in fileheader:

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            self.fileHeader.setProductRelease(fileheader["productRelease"])

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        self.fileHeader.setCreationDateTime(fileheader["creationDateTime"])

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        if "contentDescription" in fileheader:

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            self.fileHeader.setContentDescription(fileheader["contentDescription"])

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    setattr(cls, "setFileHeader", setFileHeader)

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    def setName(self, name):

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        self.contentHeader.setName(name)

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    setattr(cls, "setName", setName)

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    def getName(self):

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        return self.contentHeader.getName()

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    setattr(cls, "getName", getName)

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    def getPous(self):

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        return self.types.getPouElements()

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    setattr(cls, "getPous", getPous)

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    def getPou(self, name):

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        return self.types.getPouElement(name)

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    setattr(cls, "getPou", getPou)

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    def appendPou(self, name, pou_type, body_type):

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        self.types.appendPouElement(name, pou_type, body_type)

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    setattr(cls, "appendPou", appendPou)

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    def insertPou(self, index, pou):

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        self.types.insertPouElement(index, pou)

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    setattr(cls, "insertPou", insertPou)

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    def removePou(self, name):

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        self.types.removePouElement(name)

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    setattr(cls, "removePou", removePou)

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    def getConfigurations(self):

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        configurations = self.instances.configurations.getConfiguration()

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        if configurations:

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            return configurations

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        return []

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    setattr(cls, "getConfigurations", getConfigurations)

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    def getConfiguration(self, name):

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        for configuration in self.instances.configurations.getConfiguration():

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            if configuration.getName() == name:

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                return configuration

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        return None

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    setattr(cls, "getConfiguration", getConfiguration)

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    def addConfiguration(self, name):

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        for configuration in self.instances.configurations.getConfiguration():

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            if configuration.getName() == name:

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                raise ValueError, "\"%s\" configuration already exists !!!"%name

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        new_configuration = PLCOpenClasses["configurations_configuration"]()

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        new_configuration.setName(name)

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        self.instances.configurations.appendConfiguration(new_configuration)

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    setattr(cls, "addConfiguration", addConfiguration)    

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    def removeConfiguration(self, name):

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        found = False

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        for idx, configuration in enumerate(self.instances.configurations.getConfiguration()):

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            if configuration.getName() == name:

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                self.instances.configurations.removeConfiguration(idx)

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                found = True

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                break

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        if not found:

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            raise ValueError, "\"%s\" configuration doesn't exist !!!"%name

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    setattr(cls, "removeConfiguration", removeConfiguration)

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    def getConfigurationResource(self, config_name, name):

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        configuration = self.getConfiguration(config_name)

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        if configuration:

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            for resource in configuration.getResource():

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                if resource.getName() == name:

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                    return resource

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        return None

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    setattr(cls, "getConfigurationResource", getConfigurationResource)

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    def addConfigurationResource(self, config_name, name):

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        configuration = self.getConfiguration(config_name)

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        if configuration:

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            for resource in configuration.getResource():

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                if resource.getName() == name:

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                    raise ValueError, "\"%s\" resource already exists in \"%s\" configuration !!!"%(name, config_name)

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            new_resource = PLCOpenClasses["configuration_resource"]()

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            new_resource.setName(name)

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            configuration.appendResource(new_resource)

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    setattr(cls, "addConfigurationResource", addConfigurationResource)    

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    def removeConfigurationResource(self, config_name, name):

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        configuration = self.getConfiguration(config_name)

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        if configuration:

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            found = False

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            for idx, resource in enumerate(configuration.getResource()):

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                if resource.getName() == name:

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                    configuration.removeResource(idx)

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                    found = True

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                    break

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            if not found:

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                raise ValueError, "\"%s\" resource doesn't exist in \"%s\" configuration !!!"%(name, config_name)

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    setattr(cls, "removeConfigurationResource", removeConfigurationResource)

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    def updateElementName(self, old_name, new_name):

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        for pou in self.types.getPouElements():

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            pou.updateElementName(old_name, new_name)

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        for configuration in self.instances.configurations.getConfiguration():

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            configuration.updateElementName(old_name, new_name)

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    setattr(cls, "updateElementName", updateElementName)

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cls = PLCOpenClasses.get("project_fileHeader", None)

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if cls:

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    cls.singleLineAttributes = False

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cls = PLCOpenClasses.get("configurations_configuration", None)

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if cls:

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    def updateElementName(self, old_name, new_name):

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        for resource in self.getResource():

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            resource.updateElementName(old_name, new_name)

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    setattr(cls, "updateElementName", updateElementName)

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cls = PLCOpenClasses.get("configuration_resource", None)

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if cls:

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    def updateElementName(self, old_name, new_name):

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        for instance in self.getPouInstance():

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            instance.updateElementName(old_name, new_name)

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        for task in self.getTask():

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            task.updateElementName(old_name, new_name)

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    setattr(cls, "updateElementName", updateElementName)

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cls = PLCOpenClasses.get("resource_task", None)

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if cls:

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    def updateElementName(self, old_name, new_name):

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        if self.single == old_name:

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            self.single = new_name

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        for instance in self.getPouInstance():

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            instance.updateElementName(old_name, new_name)

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    setattr(cls, "updateElementName", updateElementName)

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cls = PLCOpenClasses.get("pouInstance", None)

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if cls:

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    def updateElementName(self, old_name, new_name):

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        if self.type == old_name:

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            self.type = new_name

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    setattr(cls, "updateElementName", updateElementName)

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cls = PLCOpenClasses.get("project_types", None)

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if cls:

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    def getPouElements(self):

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        return self.pous.getPou()

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    setattr(cls, "getPouElements", getPouElements)

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    def getPouElement(self, name):

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        elements = self.pous.getPou()

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        for element in elements:

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            if element.getName() == name:

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                return element

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        return None

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    setattr(cls, "getPouElement", getPouElement)

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    def appendPouElement(self, name, pou_type, body_type):

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        for element in self.pous.getPou():

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            if element.getName() == name:

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                raise ValueError, "\"%s\" POU already exists !!!"%name

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        new_pou = PLCOpenClasses["pous_pou"]()

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        new_pou.setName(name)

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        new_pou.pouType.setValue(pou_type)

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        new_pou.setBody(PLCOpenClasses["body"]())

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        new_pou.setBodyType(body_type)

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        self.pous.appendPou(new_pou)

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    setattr(cls, "appendPouElement", appendPouElement)

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    def insertPouElement(self, index, pou):

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        self.pous.insertPou(index, pou)

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    setattr(cls, "insertPouElement", insertPouElement)

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    def removePouElement(self, name):

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        found = False

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        for idx, element in enumerate(self.pous.getPou()):

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            if element.getName() == name:

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                self.pous.removePou(idx)

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                found = True

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                break

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        if not found:

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            raise ValueError, "\"%s\" POU doesn't exist !!!"%name

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    setattr(cls, "removePouElement", removePouElement)

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def setBodyType(self, type):

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    if type == "IL":

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        self.body.setContent("IL", PLCOpenClasses["formattedText"]())

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    elif type == "ST":

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        self.body.setContent("ST", PLCOpenClasses["formattedText"]())

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    elif type == "LD":

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        self.body.setContent("LD", PLCOpenClasses["body_LD"]())

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    elif type == "FBD":

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        self.body.setContent("FBD", PLCOpenClasses["body_FBD"]())

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    elif type == "SFC":

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        self.body.setContent("SFC", PLCOpenClasses["body_SFC"]())

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    else:

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        raise ValueError, "%s isn't a valid body type!"%type

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def getBodyType(self):

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    return self.body.getContent()["name"]

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def resetExecutionOrder(self):

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    self.body.resetExecutionOrder()

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def compileExecutionOrder(self):

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    self.body.compileExecutionOrder()

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def setElementExecutionOrder(self, instance, new_executionOrder):

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    self.body.setElementExecutionOrder(instance, new_executionOrder)

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   385

def addInstance(self, name, instance):

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    self.body.appendContentInstance(name, instance)

   387

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def getInstances(self):

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    return self.body.getContentInstances()

   390

   391

def getInstance(self, id):

   392

    return self.body.getContentInstance(id)

   393

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def getRandomInstance(self, exclude):

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    return self.body.getContentRandomInstance(exclude)

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def getInstanceByName(self, name):

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    return self.body.getContentInstanceByName(name)

   399

   400

def removeInstance(self, id):

   401

    self.body.removeContentInstance(id)

   402

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def setText(self, text):

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    self.body.setText(text)

   405

   406

def getText(self):

   407

    return self.body.getText()

   408

setattr(cls, "getText", getText)

   409

   410

cls = PLCOpenClasses.get("pous_pou", None)

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if cls:

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    setattr(cls, "setBodyType", setBodyType)

   413

    setattr(cls, "getBodyType", getBodyType)

   414

    setattr(cls, "resetExecutionOrder", resetExecutionOrder)

   415

    setattr(cls, "compileExecutionOrder", compileExecutionOrder)

   416

    setattr(cls, "setElementExecutionOrder", setElementExecutionOrder)

   417

    setattr(cls, "addInstance", addInstance)

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    setattr(cls, "getInstances", getInstances)

   419

    setattr(cls, "getInstance", getInstance)

   420

    setattr(cls, "getRandomInstance", getRandomInstance)

   421

    setattr(cls, "getInstanceByName", getInstanceByName)

   422

    setattr(cls, "removeInstance", removeInstance)

   423

    setattr(cls, "setText", setText)

   424

    setattr(cls, "getText", getText)

   425

   426

    def getVars(self):

   427

        vars = []

   428

        reverse_types = {}

   429

        for name, value in VarTypes.items():

   430

            reverse_types[value] = name

   431

        for varlist in self.interface.getContent():

   432

            vars.append((reverse_types[varlist["name"]], varlist["value"]))

   433

        return vars

   434

    setattr(cls, "getVars", getVars)

   435

   436

    def setVars(self, vars):

   437

        self.interface.setContent([])

   438

        for vartype, varlist in vars:

   439

            self.interface.appendContent(VarTypes[vartype], varlist)

   440

    setattr(cls, "setVars", setVars)

   441

   442

    def addPouVar(self, type, name):

   443

        content = self.interface.getContent()

   444

        if len(content) == 0 or content[-1]["name"] != "localVars":

   445

            content.append({"name" : "localVars", "value" : PLCOpenClasses["varList"]()})

   446

        else:

   447

            varlist = content[-1]["value"]

   448

            variables = varlist.getVariable()

   449

            if varlist.getConstant() or varlist.getRetain() or len(variables) > 0 and variables[0].getAddress():

   450

                content.append({"name" : "localVars", "value" : PLCOpenClasses["varList"]()})

   451

        var = PLCOpenClasses["varListPlain_variable"]()

   452

        var.setName(name)

   453

        var_type = PLCOpenClasses["dataType"]()

   454

        derived_type = PLCOpenClasses["derived"]()

   455

        derived_type.setName(type)

   456

        var_type.setValue(derived_type)

   457

        var.setType(var_type)

   458

        content[-1]["value"].appendVariable(var)

   459

    setattr(cls, "addPouVar", addPouVar)

   460

   461

    def changePouVar(self, old_type, old_name, new_type, new_name):

   462

        content = self.interface.getContent()

   463

        for varlist in content:

   464

            variables = varlist["value"].getVariable()

   465

            for var in variables:

   466

                if var.getName() == old_name:

   469

                        var.setName(new_name)

   471

                        return

   472

    setattr(cls, "changePouVar", changePouVar)

   473

   474

    def removePouVar(self, type, name):

   475

        content = self.interface.getContent()

   476

        for varlist in content:

   477

            variables = varlist["value"].getVariable()

   478

            for var in variables:

   479

                if var.getName() == name:

   480

                    var_type = var.getType().getValue()

   481

                    if isinstance(var_type, PLCOpenClasses["derived"]) and var_type.getName() == type:

   482

                        variables.remove(var)

   483

                        break

   484

            if len(varlist["value"].getVariable()) == 0:

   485

                content.remove(varlist)

   486

                break

   487

    setattr(cls, "removePouVar", removePouVar)

   488

   489

    def hasBlock(self, name):

   490

        if self.getBodyType() in ["FBD", "LD", "SFC"]:

   491

            for instance in self.getInstances():

   492

                if isinstance(instance, PLCOpenClasses["block"]) and instance.getInstanceName() == name:

   493

                    return True

   494

            if self.transitions:

   495

                for transition in self.transitions.getTransition():