source: tmcsimulator/trunk/webapps/EInotebook/scripts/LoadEvents.js @ 361

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);
}

// Parse the entire Incident XML Script file 
// Extract the Incidents and Events and create lists of each
function parseXml(response)
{
    // Create a parser and grab the high level tag we're interested in
    var parser = new DOMParser();
    xmlDoc = parser.parseFromString(response,"text/xml");
    var eventTags = xmlDoc.getElementsByTagName("SCRIPT_EVENT");

    // Process each SCRIPT_EVENT tag
    for (var i = 0; i < eventTags.length; i++)
    {
        var currEvt = eventTags[i];
        // local variable declarations
        var timeFields; var evtTime; var incidentNum; var cadProp; var telProp;
        var proparray = new Array();
        var evalarray = new Array();
        // Process all the children of one event
        for (var child = 1; child < currEvt.childNodes.length; child++)
        {
            // Ignore undefined nodes
            if (currEvt.childNodes[child].localName != undefined)
            {
                // Determine the tag type and dispatch it for further processing
                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 "GENERAL_INFO":  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;
                    case "CHP_RADIO": 
                        var chpradio = parseCHPradio(currEvt.childNodes[child]); 
                        if (chpradio.length > 0)
                        {
                            cadProp = new Property("CHP RADIO", chpradio ); 
                            proparray.push(cadProp);
                        }
                        break;
                    case "TMT_RADIO":  break;
                    case "MAINTENANCE_RADIO": break;
                    // case *_EVALUATION: 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;
}
function parseCHPradio(element)
{
    var result = new Array();
    var dialog = element.getElementsByTagName("LINE");
    if (dialog.length > 0)
    {
        for (line in dialog)
        {
            if (dialog[line].textContent != undefined)
            {                
                result.push(dialog[line].attributes["Role"].value);
                result.push(dialog[line].textContent);
            }
        }
    }
    return result;
}

// MAIN
loadJSON("full_script.xml", parseXml)
// Note: the script has the Media Log event removed