dexorder/ai
2
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Critical bug | Drawing Objects in the empty space in front of the chart #562

Browse Source 
TradingView functionality bug #549
Loading data infinite loop #526
Time scale marks get stale after new bars came #500
When full screen, tools are not shown #457
Bug when drawing a line with its closing end outside the last bar #426
Option to disable border #420
Removing an entry from context menu #412
This commit is contained in:
Eugene
2015-07-01 10:49:32 +03:00
parent 2ce6342882
commit c32ff2135c
40 changed files with 38082 additions and 14958 deletions
Download Patch File Download Diff File Expand all files Collapse all files

59
charting_library/datafeed/udf/datafeed.js
View File

@@ -1,15 +1,13 @@
/*
This class implements interaction with UDF-compatible datafeed.
Please remember this class is a separate component and may interact to other code through Datafeeds.DatafeedInterface interface functions ONLY
See UDF protocol reference at
https://docs.google.com/document/d/1rAigRhQUSLgLCzUAiVBJGAB7uchb-PzFVe0Bl8WTtF0
https://github.com/tradingview/charting_library/wiki/UDF
*/
Datafeeds = {};
Datafeeds.UDFCompatibleDatafeed = function(datafeedURL, updateFrequency) {
Datafeeds.UDFCompatibleDatafeed = function(datafeedURL, updateFrequency, protocolVersion) {
this._datafeedURL = datafeedURL;
this._configuration = undefined;
@@ -18,6 +16,7 @@ Datafeeds.UDFCompatibleDatafeed = function(datafeedURL, updateFrequency) {
this._symbolsStorage = null;
this._barsPulseUpdater = new Datafeeds.DataPulseUpdater(this, updateFrequency || 10 * 1000);
this._quotesPulseUpdater = new Datafeeds.QuotesPulseUpdater(this);
this._protocolVersion = protocolVersion || 2;
this._enableLogging = false;
this._initializationFinished = false;
@@ -83,7 +82,11 @@ Datafeeds.UDFCompatibleDatafeed.prototype._send = function(url, params) {
this._logMessage("New request: " + request);
return $.ajax(request);
return $.ajax({
type: 'GET',
url: request,
contentType: 'text/plain'
});
};
Datafeeds.UDFCompatibleDatafeed.prototype._initialize = function() {
@@ -101,16 +104,14 @@ Datafeeds.UDFCompatibleDatafeed.prototype._initialize = function() {
};
Datafeeds.UDFCompatibleDatafeed.prototype.setup = function(studyEngineOptions, callback) {
Datafeeds.UDFCompatibleDatafeed.prototype.onReady = function(callback) {
if (this._configuration) {
this._configuration.engine = studyEngineOptions;
callback(this._configuration);
}
else {
var that = this;
this.on("configuration_ready", function() {
that._configuration.engine = studyEngineOptions;
callback(that._configuration);
});
}
@@ -254,11 +255,17 @@ Datafeeds.UDFCompatibleDatafeed.prototype.resolveSymbol = function(symbolName, o
return;
}
var resolveRequestStartTime = Date.now();
that._logMessage("Resolve requested");
function onResultReady(data) {
var postProcessedData = data;
if (that.postProcessSymbolInfo) {
postProcessedData = that.postProcessSymbolInfo(postProcessedData);
}
that._logMessage("Symbol resolved: " + (Date.now() - resolveRequestStartTime));
onSymbolResolvedCallback(postProcessedData);
}
@@ -277,6 +284,7 @@ Datafeeds.UDFCompatibleDatafeed.prototype.resolveSymbol = function(symbolName, o
}
})
.fail(function(reason) {
that._logMessage("Error resolving symbol: " + JSON.stringify([reason]));
onResolveErrorCallback("unknown_symbol");
});
}
@@ -299,9 +307,13 @@ Datafeeds.UDFCompatibleDatafeed.prototype.getBars = function(symbolInfo, resolut
// timestamp sample: 1399939200
if (rangeStartDate > 0 && (rangeStartDate + "").length > 10) {
throw "Got a JS time instead of Unix one.";
throw ["Got a JS time instead of Unix one.", rangeStartDate, rangeEndDate];
}
var that = this;
var requestStartTime = Date.now();
this._send(this._datafeedURL + this._historyURL, {
symbol: symbolInfo.ticker.toUpperCase(),
resolution: resolution,
@@ -312,7 +324,9 @@ Datafeeds.UDFCompatibleDatafeed.prototype.getBars = function(symbolInfo, resolut
var data = JSON.parse(response);
if (data.s != "ok") {
var nodata = data.s == "no_data";
if (data.s != "ok" && !nodata) {
if (!!onErrorCallback) {
onErrorCallback(data.s);
}
@@ -321,8 +335,9 @@ Datafeeds.UDFCompatibleDatafeed.prototype.getBars = function(symbolInfo, resolut
var bars = [];
// data is JSON having format {s: "status", v: [volumes], t: [times], o: [opens], h: [highs], l: [lows], c:[closes]}
var barsCount = data.t.length;
// data is JSON having format {s: "status" (ok, no_data, error),
// v: [volumes], t: [times], o: [opens], h: [highs], l: [lows], c:[closes], nb: "optional_unixtime_if_no_data"}
var barsCount = nodata ? 0 : data.t.length;
var volumePresent = typeof data.v != "undefined";
var ohlPresent = typeof data.o != "undefined";
@@ -350,15 +365,10 @@ Datafeeds.UDFCompatibleDatafeed.prototype.getBars = function(symbolInfo, resolut
bars.push(barValue);
}
if (bars.length === 0) {
onErrorCallback("no data");
}
onDataCallback(bars);
onDataCallback(bars, {version: that._protocolVersion, noData: nodata, nextTime: data.nb || data.nextTime});
})
.fail(function (arg) {
console.warn("getBars(): HTTP error " + JSON.stringify(arg));
console.warn(["getBars(): HTTP error", arg]);
if (!!onErrorCallback) {
onErrorCallback("network error: " + JSON.stringify(arg));
@@ -497,6 +507,8 @@ Datafeeds.SymbolsStorage.prototype._onExchangeDataReceived = function(exchangeNa
listed_exchange: listedExchange,
exchange: tradedExchange,
minmov: tableField(data, "minmovement", symbolIndex) || tableField(data, "minmov", symbolIndex) ,
minmove2: tableField(data, "minmove2", symbolIndex) || tableField(data, "minmov2", symbolIndex) ,
fractional: tableField(data, "fractional", symbolIndex),
pointvalue: tableField(data, "pointvalue", symbolIndex),
pricescale: tableField(data, "pricescale", symbolIndex),
type: tableField(data, "type", symbolIndex),
@@ -606,7 +618,7 @@ Datafeeds.SymbolSearchComponent.prototype.searchSymbolsByName = function(searchA
}
searchArgument.onResultReadyCallback(results);
}
};
@@ -633,7 +645,8 @@ Datafeeds.DataPulseUpdater = function(datafeed, updateFrequency) {
for (var listenerGUID in that._subscribers) {
var subscriptionRecord = that._subscribers[listenerGUID];
var resolution = subscriptionRecord.resolution;
var datesRangeRight = Math.round(Date.now() / 1000);
var datesRangeRight = parseInt((new Date().valueOf()) / 1000);
// BEWARE: please note we really need 2 bars, not the only last one
// see the explanation below. `10` is the `large enough` value to work around holidays
@@ -642,7 +655,8 @@ Datafeeds.DataPulseUpdater = function(datafeed, updateFrequency) {
that._requestsPending++;
(function(_subscriptionRecord) {
that._datafeed.getBars(_subscriptionRecord.symbolInfo, resolution, datesRangeLeft, datesRangeRight, function(bars) {
that._datafeed.getBars(_subscriptionRecord.symbolInfo, resolution, datesRangeLeft, datesRangeRight, function(bars) {
that._requestsPending--;
// means the subscription was cancelled while waiting for data
@@ -653,6 +667,7 @@ Datafeeds.DataPulseUpdater = function(datafeed, updateFrequency) {
if (bars.length === 0) {
return;
}
var lastBar = bars[bars.length - 1];
if (!isNaN(_subscriptionRecord.lastBarTime) && lastBar.time < _subscriptionRecord.lastBarTime) {
return;