source: tmcsimulator/branches/EInotebook/scripts/LoadEvents.js @ 350

var xmlDoc;

function loadJSON(inFile, callback)

{

    var xobj = new XMLHttpRequest();

    // Assume XML unless filename ends with .json

    if (inFile.endsWith(".json"))

    {

        xobj.overrideMimeType("application/json");

    }

    xobj.open('GET', inFile, true);

    xobj.onreadystatechange = function()

    {

        if (xobj.readyState == 4 && xobj.status == "200")

        {

            callback(xobj.responseText);

        }

    };

    // We want ajax to ignore any cached responses

    xobj.setRequestHeader('If-Modified-Since', 'Sat, 01 Jan 2000 01:01:01 GMT')

    xobj.send(null);

}



function parseXml(response)

{

        var parser = new DOMParser();

        xmlDoc = parser.parseFromString(response,"text/xml");

        var eventTags = xmlDoc.getElementsByTagName("SCRIPT_EVENT");



        // Process each event tag

        for (var i = 0; i < eventTags.length; i++)

        {

            var currEvt = eventTags[i];

            // Process all the children of one event

            var timeFields; var evtTime; var incidentNum; var cadProp; var telProp;

            var proparray = new Array();

            var evalarray = new Array();

            for (var child = 1; child < currEvt.childNodes.length; child++)

            {

                if (currEvt.childNodes[child].localName != undefined)

                {

                    switch(currEvt.childNodes[child].localName)

                    {

                        case "TIME_INDEX": 

                            timeFields = currEvt.childNodes[child].textContent.split(":"); 

                            evtTime = new Time(Number(timeFields[0]), Number(timeFields[1]), Number(timeFields[2]));

                            break;

                        case "INCIDENT":

                            incidentNum = Number(currEvt.childNodes[child].attributes["LogNum"].value); 

                            break;

                        case "CAD_DATA": 

                            var caddata = parseCAD(currEvt.childNodes[child]); 

                            if (caddata.length > 0)

                            {

                                cadProp = new Property("CHP CAD", caddata ); 

                                proparray.push(cadProp);

                            }

                            break;

                        case "TELEPHONE": 

                            telProp = new Evaluation("Telephone Conversation", 

                                     parseTelephone(currEvt.childNodes[child]) );  

                            evalarray.push(telProp);

                            break;

                    }

                }

            }

            //console.log(evtTime.format(), incidentNum, proparray.length, evalarray.length);

            if (incidentNum != undefined)

            {

              events.add(new Event(evtTime, incidents.get(incidentNum), new Properties(proparray), 

                    new Evaluations(evalarray)) );

            }

        }



}

function parseCAD(element)

{

    var result = new Array();

    var details = element.getElementsByTagName("DETAIL");

    if (details.length > 0)

    {

        for (detail in details)

        {

            if (details[detail].textContent != undefined)

            {                

                result.push("Detail:");

                result.push(details[detail].textContent);

            }

        }

    }

    return result;

}

function parseTelephone(element)

{

    var result = new Array();

    for (var child = 1; child < element.childNodes.length; child++)

    {

        if (element.childNodes[child].localName != undefined)

        {

            if (element.childNodes[child].localName == "INSTRUCTOR")

            {

                result.push(element.childNodes[child].attributes["Role"].value);

            }

            else

            {

                result.push(element.childNodes[child].localName);   

            }

            result.push(element.childNodes[child].textContent);

        }

    }

    return result;

}



// MAIN

loadJSON("full_script.xml", parseXml)