Improved code by making more oo
add functionality and ingo in order frm.
This commit is contained in:
Joe Tretter
@@ -1,12 +1,10 @@
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var filterContext={};
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let createMasterFilterFrame=()=>{
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let theFrameDiv=document.createElement("div");
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theFrameDiv.setAttribute("id","frmMasterFilter");
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theFrameDiv.className="container-fluid "
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window.document.getElementById('app').append(theFrameDiv);
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let me=window.myMasterFilter = document.createElement("div");
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me.setAttribute("id","frmMasterFilter");
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me.className="container-fluid "
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window.document.getElementById('app').append(me);
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theFrameDiv.innerHTML=`
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me.innerHTML=`
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<div id='datePicker'></div>
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<div class="dropdown" id="grpSymbol">
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@@ -35,141 +33,149 @@ let createMasterFilterFrame=()=>{
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<!--button onclick='rq()'>LOAD</button-->
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`;
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fetchSymbols();
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return true;
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}
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let beforeShowDay=(theDate)=>{
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let isoDate=theDate.toISOString().substr(0,10);
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//console.log("BeforeShow",isoDate,theDate);
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let isDateFound=false;
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for (let i=0;i<filterContext.availableDates.length;i++){
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if (filterContext.availableDates[i].Date===theDate.toISOString().substr(0,10)){
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isDateFound=true;
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break;
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};
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}
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if (!isDateFound) {
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return {enabled:false, tooltip:"No data"};
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}
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}
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let fetchSymbols=()=>{
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$.get({
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url:"/getSymbols"
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}).done(response=>{
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let allSymbols=response;
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console.log(allSymbols);
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refreshSymbolList(allSymbols);
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});
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}
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let getCurrentSymbol=()=>{
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return(filterContext.theSymbol);
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}
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let symbolChanged=(newSymbol)=>{
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console.log("symbolChanged",newSymbol);
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filterContext.theSymbol=newSymbol
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document.title=getCurrentSymbol();
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$("#tbSymbol").text(getCurrentSymbol());
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getAvailDatesForSymbol(getCurrentSymbol()).done(_=>{
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$("#datePicker").datepicker('destroy');
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$("#datePicker").datepicker({beforeShowDay:beforeShowDay});
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if (document.getElementById("datePicker").hasHandler !== true) { // work around multiple binding of the eventhandler - it seems that destroy doesn't remove the old handler....
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$("#datePicker").datepicker().on('changeDate', (e)=>{
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if (e.date !== undefined) {
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console.log("DatePicker changed date",e.date);
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filterContext.theDate=e.date.toISOString().substr(0,10);
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showTimesForDay(filterContext.theDate);
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}
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});
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document.getElementById("datePicker").hasHandler= true;
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}
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if (filterContext.theDate === undefined) {
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console.log("no date in contest, setting date to the last in chain.");
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filterContext.theDate=filterContext.availableDates[filterContext.availableDates.length-1].Date;
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let _filterContext={}; // TODO: This is bad, grown design - should be replaced with a proper object oriented structure and observer pattern.
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Object.defineProperty(me,"selectedDate",{
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get:_=>{ return (_filterContext.theDate);}
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})
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Object.defineProperty(me,"selectedTime",{
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get:_=>{ return (_filterContext.selectedTime);}
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})
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me.beforeShowDay=(theDate)=>{
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let isoDate=theDate.toISOString().substr(0,10);
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//console.log("BeforeShow",isoDate,theDate);
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let isDateFound=false;
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for (let i=0;i<_filterContext.availableDates.length;i++){
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if (_filterContext.availableDates[i].Date===theDate.toISOString().substr(0,10)){
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isDateFound=true;
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break;
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};
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}
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if (!isDateFound) {
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return {enabled:false, tooltip:"No data"};
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}
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}
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me.fetchSymbols=()=>{
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$.get({
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url:"/getSymbols"
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}).done(response=>{
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let allSymbols=response;
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console.log(allSymbols);
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me.refreshSymbolList(allSymbols);
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});
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}
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me.getCurrentSymbol=()=>{
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return(_filterContext.theSymbol);
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}
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me.symbolChanged=(newSymbol)=>{
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console.log("symbolChanged",newSymbol);
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_filterContext.theSymbol=newSymbol
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document.title=me.getCurrentSymbol();
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$("#tbSymbol").text(me.getCurrentSymbol());
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me.getAvailDatesForSymbol(me.getCurrentSymbol()).done(_=>{
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$("#datePicker").datepicker('destroy');
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$("#datePicker").datepicker({beforeShowDay:me.beforeShowDay});
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if (document.getElementById("datePicker").hasHandler !== true) { // work around multiple binding of the eventhandler - it seems that destroy doesn't remove the old handler....
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$("#datePicker").datepicker().on('changeDate', (e)=>{
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if (e.date !== undefined) {
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console.log("DatePicker changed date",e.date);
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_filterContext.theDate=e.date.toISOString().substr(0,10);
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me.showTimesForDay(_filterContext.theDate);
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}
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});
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document.getElementById("datePicker").hasHandler= true;
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}
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if (_filterContext.theDate === undefined) {
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console.log("no date in contest, setting date to the last in chain.");
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_filterContext.theDate=_filterContext.availableDates[_filterContext.availableDates.length-1].Date;
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}
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currentTZDate = new Date(Date.parse(_filterContext.theDate) + new Date().getTimezoneOffset()*60000);
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console.log("setting datepicker date to ", _filterContext.theDate, currentTZDate);
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$("#datePicker").datepicker('setDate',currentTZDate);
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});
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}
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me.timeChanged=(newTime)=>{
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if (_filterContext.selectedTime!==newTime){
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_filterContext.selectedTime=newTime;
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$("#tbSelectedTime").text(newTime);
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console.log("Time changed", newTime);
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}
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currentTZDate = new Date(Date.parse(filterContext.theDate) + new Date().getTimezoneOffset()*60000);
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console.log("setting datepicker date to ", filterContext.theDate, currentTZDate);
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$("#datePicker").datepicker('setDate',currentTZDate);
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});
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}
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let timeChanged=(newTime)=>{
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if (filterContext.selectedTime!==newTime){
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filterContext.selectedTime=newTime;
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$("#tbSelectedTime").text(newTime);
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console.log("Time changed", newTime);
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}
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me.requestOptionChain();
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}
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requestOptionChain();
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}
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let requestOptionChain=()=>{
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$.ajax({
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url:"/getOptionChain?Date=" + filterContext.theDate + "&Symbol=" + filterContext.theSymbol + "&Time="+filterContext.selectedTime
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}).done(response=>{
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dta=JSON.parse(response[0].Data);
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//console.log("received",dta);
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displayOptionChain();
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$("#tbUnderlyingPrice").text(dta.underlyingPrice.toLocaleString('en',{minimumFractionDigits: 2, maximumFractionDigits: 2}));
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});
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}
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let showTimesForDay=()=>{
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return $.ajax({
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url:"/getTimes?Date=" + filterContext.theDate + "&Symbol=" + filterContext.theSymbol
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}).done(response=>{
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let availableTimes=response;
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//console.log(availableTimes);
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let lbTime=$("#lbTime");
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lbTime.empty();
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allTimes = availableTimes;
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for (let i=0;i<allTimes.length;i++){
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theTime=allTimes[i].Time;
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if (filterContext.selectedTime !== undefined) {
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if (filterContext.selectedTime.substring(0,4) === theTime.substring(0,4)){
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timeChanged(theTime);
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}
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} else {
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if (i==4) {
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// select the 4th time in the day... that's usually around 9:30
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timeChanged(theTime);
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me.requestOptionChain=()=>{
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$.ajax({
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url:"/getOptionChain?Date=" + _filterContext.theDate + "&Symbol=" + _filterContext.theSymbol + "&Time="+ _filterContext.selectedTime
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}).done(response=>{
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dta=JSON.parse(response[0].Data);
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//console.log("received",dta);
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displayOptionChain();
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$("#tbUnderlyingPrice").text(dta.underlyingPrice.toLocaleString('en',{minimumFractionDigits: 2, maximumFractionDigits: 2}));
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});
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}
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me.showTimesForDay=()=>{
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return $.ajax({
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url:"/getTimes?Date=" + _filterContext.theDate + "&Symbol=" + _filterContext.theSymbol
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}).done(response=>{
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let availableTimes=response;
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//console.log(availableTimes);
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let lbTime=$("#lbTime");
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lbTime.empty();
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allTimes = availableTimes;
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for (let i=0;i<allTimes.length;i++){
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theTime=allTimes[i].Time;
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if (_filterContext.selectedTime !== undefined) {
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if (_filterContext.selectedTime.substring(0,4) === theTime.substring(0,4)){
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me.timeChanged(theTime);
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}
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} else {
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if (i==4) {
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// select the 4th time in the day... that's usually around 9:30
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me.timeChanged(theTime);
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}
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}
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//lbTime.append($(`<option ${selectedFlag}>${theTime}</option>`))
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lbTime.append($(`<button onclick="myMasterFilter.timeChanged('${theTime}');" class="dropdown-item" type="button">${theTime.substring(0,5)}</button>`))
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}
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//lbTime.append($(`<option ${selectedFlag}>${theTime}</option>`))
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lbTime.append($(`<button onclick="timeChanged('${theTime}');" class="dropdown-item" type="button">${theTime.substring(0,5)}</button>`))
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$("#lbTime").change();
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});
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}
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me.getAvailDatesForSymbol=(theSymbol)=>{
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return $.ajax({
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url:"/getDates?Symbol=" + theSymbol
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}).done(response=>{
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let availableDates=response;
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//console.log(availableDates);
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_filterContext.availableDates=availableDates;
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});
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}
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me.refreshSymbolList=(allSymbols)=>{
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let lbSymbol=$("#lbSymbol");
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lbSymbol.empty();
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for (let i=0;i<allSymbols.length;i++){
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theSymbol=allSymbols[i].Symbol;
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console.log(theSymbol);
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lbSymbol.append($(`<button onclick="myMasterFilter.symbolChanged('${theSymbol}');" class="dropdown-item" type="button">${theSymbol}</button>`))
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}
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}
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}
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$("#lbTime").change();
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});
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}
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let getAvailDatesForSymbol=(theSymbol)=>{
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return $.ajax({
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url:"/getDates?Symbol=" + theSymbol
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}).done(response=>{
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let availableDates=response;
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//console.log(availableDates);
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filterContext.availableDates=availableDates;
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});
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}
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let refreshSymbolList=(allSymbols)=>{
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let lbSymbol=$("#lbSymbol");
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lbSymbol.empty();
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for (let i=0;i<allSymbols.length;i++){
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theSymbol=allSymbols[i].Symbol;
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console.log(theSymbol);
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lbSymbol.append($(`<button onclick="symbolChanged('${theSymbol}');" class="dropdown-item" type="button">${theSymbol}</button>`))
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}
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me.fetchSymbols();
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return true;
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}
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