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/* WebFormsJS 2.1.2 - The Front-End Part of WebForms Core Technology, Owned by Elanat (https://elanat.net) */
/* Start Options */
const WebFormsOptions = new Object();
// Initialization
WebFormsOptions.AutoSetSubmitOnClick = true;
WebFormsOptions.AutoSetFormCustomValidity = true;
// Service Worker
WebFormsOptions.RegisterServiceWorker = false;
WebFormsOptions.RegisterServicePath = "/service-worker.js";
WebFormsOptions.RegisterServiceScopePath = '/';
WebFormsOptions.ReloadServiceWorkerIfNeed = true;
WebFormsOptions.UseServiceWorkerPush = false;
WebFormsOptions.UseServiceWorkerPushSubscribe = "/subscribe";
WebFormsOptions.ServiceWorkerPushVapidPublicKey = "BOr9UhjogkDpIVlYweq0mSx0Gcnt8Y6XmvfPWeryfdaWebFormsCorekf1q1qgW93z7pX_AbeD23CE3vZhAkZTY";
WebFormsOptions.ServiceWorkerWaitForControl = 100;
// Send
WebFormsOptions.SendDataOnlyByPostMethod = false;
WebFormsOptions.CheckValidityForFormSubmit = true;
// Response
WebFormsOptions.SetResponseInsideDivTag = true;
WebFormsOptions.ResponseLocation = "<body>";
WebFormsOptions.CreateCommentForWebFormsResponse = false;
// Non-Response Management
WebFormsOptions.IgnoreEmptyResult = false;
WebFormsOptions.UseRetryRequest = false;
WebFormsOptions.MaxRetryCount = 3;
WebFormsOptions.RetryRequestInterval = 3000;
// State
WebFormsOptions.StateBodyLocation = "<body>";
WebFormsOptions.UseSPALink = true;
WebFormsOptions.SPASaveStateDelay = 500;
WebFormsOptions.SetTitleBySPALink = true;
WebFormsOptions.IgnoreQueryAndHashInSPALink = false;
WebFormsOptions.ReloadOnMissingHistory = true;
WebFormsOptions.CloseAllFixedFeaturesAfterHistoryReview = true;
WebFormsOptions.RestoreListenersAfterHistoryReview = true;
// Queue
WebFormsOptions.UseQueue = true;
WebFormsOptions.UseQueueForWebFormsValue = true;
WebFormsOptions.UseDebounceDelay = true;
WebFormsOptions.QueueDebounceDelay = 200;
// Message
WebFormsOptions.MessageDuration = 3000;
WebFormsOptions.UseConnectionErrorMessage = true;
WebFormsOptions.AddMessageForProblemInDeterminingElement = false;
WebFormsOptions.AddMessageForWebSocketInitializing = true;
WebFormsOptions.AddMessageForWebSocketOpen = true;
WebFormsOptions.AddMessageForWebSocketClose = true;
WebFormsOptions.AddMessageForWebSocketError = true;
WebFormsOptions.AddMessageForSSEInitializing = true;
WebFormsOptions.AddMessageForSSEConnect = true;
WebFormsOptions.AddMessageForSSEDisconnected = true;
WebFormsOptions.AddMessageForSSEReconnecting = true;
WebFormsOptions.AddMessageForSSEClose = true;
WebFormsOptions.AddMessageForSSECloseAll = true;
WebFormsOptions.AddMessageForIncomprehensibleSetWebFormsValue = false;
WebFormsOptions.AddMessageForIncomprehensibleSetValueToInput = false;
WebFormsOptions.AddMessageForIncomprehensibleFetchValue = false;
WebFormsOptions.AddMessageForIncomprehensibleSaveValue = false;
WebFormsOptions.AddMessageForIncomprehensibleCheckCondition = false;
WebFormsOptions.AddMessageForProblemInSetWebFormsValue = false;
WebFormsOptions.AddMessageForProblemInSetValueToInput = false;
WebFormsOptions.AddMessageForProblemInFetchValue = false;
WebFormsOptions.AddMessageForProblemInSaveValue = false;
WebFormsOptions.AddMessageForProblemInCheckCondition = false;
// Console Message
WebFormsOptions.AddConsoleMessage = true;
WebFormsOptions.UseConsoleStackTrace = false;
WebFormsOptions.AddConsoleMessageForHTTP = false;
WebFormsOptions.AddConsoleMessageForURL = true;
WebFormsOptions.AddConsoleMessageForWebSockets = true;
WebFormsOptions.AddConsoleMessageForSSE = true;
WebFormsOptions.AddConsoleMessageForModule = true;
// Animation
WebFormsOptions.UseProgressBar = true;
WebFormsOptions.UseLoader = true;
WebFormsOptions.UseLoaderForFirstPageLoad = true;
WebFormsOptions.LoaderMinimumDuration = 500;
WebFormsOptions.HideLoaderTimeout = 5000;
WebFormsOptions.HideLoaderWhenUpload = true;
WebFormsOptions.HideLoaderAfterUploaded = 1024 * 1024;
// Compress
WebFormsOptions.UseGzipFileSend = false;
WebFormsOptions.UseGzipFileSendIgnoreList = ["zip", "gzip", "rar"];
WebFormsOptions.UseGzipDataSend = false;
WebFormsOptions.UseGzipDataSendLargerThan = 5 * 1024;
// Async/Await
WebFormsOptions.AwaitConditionInterval = 100;
// Connection
WebFormsOptions.WebSocketReconnectMaxRetries = 5;
WebFormsOptions.SSEReconnectMaxRetries = 5;
// Security
WebFormsOptions.DisableEval = false;
WebFormsOptions.DisablePassObject = false;
WebFormsOptions.DisableAppendJavaScriptTag = false;
WebFormsOptions.DisableLoadModule = false;
WebFormsOptions.UseLoadModulePathOnlyInAcceptedList = false;
WebFormsOptions.LoadModulePathOnlyInAcceptedList = ["math"];
WebFormsOptions.DisableCallMethod = false;
WebFormsOptions.UseCallMethodOnlyInAcceptedList = false;
WebFormsOptions.CallMethodOnlyInAcceptedList = ["alert"];
WebFormsOptions.DisableCallModuleMethod = false;
WebFormsOptions.UseCallModuleMethodOnlyInAcceptedList = false;
WebFormsOptions.CallModuleMethodOnlyInAcceptedList = ["confirm"];
WebFormsOptions.DisableLoadExternalHost = false;
WebFormsOptions.UseLoadExternalHostOnlyInAcceptedList = false;
WebFormsOptions.LoadExternalHostOnlyInAcceptedList = ["example.com"];
WebFormsOptions.SendChecksum = false;
WebFormsOptions.ChecksumName = "checksum";
// Language
WebFormsOptions.SPAGlobalTitle = "My WebSite - {{title}}";
WebFormsOptions.ConnectionErrorMessage = "Connection Error";
WebFormsOptions.CheckConditionIsIncomprehensibleLang = "Check condition is incomprehensible";
WebFormsOptions.SaveValueIsIncomprehensibleLang = "Save value is incomprehensible";
WebFormsOptions.FetchValueIsIncomprehensibleLang = "Fetch value is incomprehensible";
WebFormsOptions.SetValueToInputIsIncomprehensibleLang = "Set value to input is incomprehensible";
WebFormsOptions.SetWebFormsValueIsIncomprehensibleLang = "Set webforms value is incomprehensible";
WebFormsOptions.ConnectionErrorLang = "Connection error";
WebFormsOptions.ProblemInCheckConditionLang = "Problem in check condition";
WebFormsOptions.ProblemInSaveValueLang = "Problem in save value";
WebFormsOptions.ProblemInFetchValueLang = "Problem in fetch value";
WebFormsOptions.ProblemInDeterminingElementLang = "Problem in determining element";
WebFormsOptions.ProblemInSetValueToInputLang = "Problem in set value to input";
WebFormsOptions.ProblemInSetWebFormsValueLang = "Problem in set webforms value";
WebFormsOptions.SSEClosingAllLang = "SSE Closing all";
WebFormsOptions.SSEManuallyCloseLang = "SSE Manually close";
WebFormsOptions.SSEReconnectingLang = "SSE Reconnecting";
WebFormsOptions.SSEDisconnectedLang = "SSE Disconnected";
WebFormsOptions.SSEConnectedLang = "SSE Connected";
WebFormsOptions.SSETryingToConnectLang = "SSE Trying to connect";
WebFormsOptions.InitializingNewWebSocketLang = "Initializing new WebSocket";
WebFormsOptions.WebSocketErrorLang = "WebSocket error";
WebFormsOptions.WebSocketDisconnectedLang = "WebSocket disconnected";
WebFormsOptions.WebSocketConnectedLang = "WebSocket connected";
WebFormsOptions.ValidityValueMissing = "Please fill out this field";
WebFormsOptions.ValidityTypeMismatch = "Please enter a valid value";
WebFormsOptions.ValidityPatternMismatch = "Please enter a value in the correct format";
WebFormsOptions.ValidityTooLong = "Please use no more than {{maxLength}} characters (you are currently using {{valueLength}} characters).";
WebFormsOptions.ValidityTooShort = "Please use at least {{minLength}} characters (you are currently using {{valueLength}} characters).";
WebFormsOptions.ValidityRangeUnderflow = "Value must be greater than or equal to {{min}}.";
WebFormsOptions.ValidityRangeOverflow = "Value must be less than or equal to {{max}}.";
WebFormsOptions.ValidityStepMismatch = "The value entered is not a valid step";
WebFormsOptions.ValidityBadInput = "Please enter a valid value";
WebFormsOptions.ValidityCustomError = "The value entered is invalid";
// Style
WebFormsOptions.WebFormsTagsBackgroundColor = "#eee";
WebFormsOptions.ProgressBarStyle = "width:100%;min-width:300px;max-width:600px;background-color:#eee;margin:2px 0px";
WebFormsOptions.ProgressBarPercentLoadedStyle = "position:absolute;padding:0px 4px;line-height:22px";
WebFormsOptions.ProgressBarValueStyle = "height:20px;background-color:#4D93DD;width:0%";
WebFormsOptions.MessageNoneStyle = "background-color: #464646";
WebFormsOptions.MessageWarningStyle = "background-color: #AF4C4C";
WebFormsOptions.MessageProblemStyle = "background-color: #AFA04C";
WebFormsOptions.MessageHelpStyle = "background-color: #4C81AF";
WebFormsOptions.MessageSuccessStyle = "background-color: #4CAF8F";
const WebFormsDefaultOptions = Object.assign({}, WebFormsOptions);
/* End Options */
/* Start Global Constant */
const FS = String.fromCharCode(28); // File Separator
const GS = String.fromCharCode(29); // Group Separator
const RS = String.fromCharCode(30); // Record Separator
const US = String.fromCharCode(31); // Unit Separator
/* End Global Constant */
/* Start Check Browser Support */
// Check If WebFormsJS Is Not Load Module Mode
if (document.currentScript)
console.error("The WebFormsJS library must be loaded with <script type=\"module\">.");
const cb_UnsupportedFeatures = [];
// Feature List
const cb_BrowseFeatures =
[
// DOM / Form
{ name: "FormData", check: () => typeof FormData !== "undefined" },
{ name: "replaceChildren", check: () => "replaceChildren" in document.createElement("div") },
// ES2020 / JavaScript
{ name: "ES2020 (BigInt / optional chaining / nullish coalescing)", check: () =>
{
try
{
eval("123n; null?.x; 1 ?? 2;");
return true;
}
catch
{
return false;
}
} },
// Web APIs
{ name: "fetch", check: () => typeof fetch !== "undefined" },
{ name: "WebSocket", check: () => typeof WebSocket !== "undefined" },
{ name: "ServiceWorker", check: () => "serviceWorker" in navigator },
{ name: "WebRTC (RTCPeerConnection)", check: () => typeof RTCPeerConnection !== "undefined" },
{ name: "Web Animations API", check: () => "animate" in document.createElement("div") },
{ name: "CompressionStream", check: () => "CompressionStream" in window },
{ name: "Blob.prototype.stream", check: () => "stream" in Blob.prototype },
{ name: "Server-Sent Events (EventSource)", check: () => typeof EventSource !== "undefined" },
// Observers / UI
{ name: "IntersectionObserver", check: () => "IntersectionObserver" in window },
{ name: "ResizeObserver", check: () => "ResizeObserver" in window },
{ name: "MutationObserver", check: () => "MutationObserver" in window },
// Media / Clipboard
{ name: "Clipboard API", check: () => "clipboard" in navigator },
{ name: "MediaDevices API", check: () => "mediaDevices" in navigator },
// Storage
{ name: "localStorage", check: () => { try { return "localStorage" in window && window.localStorage !== null; } catch { return false; } } },
{ name: "IndexedDB", check: () => "indexedDB" in window },
// Intl / Localization
{ name: "Intl API", check: () => typeof Intl !== "undefined" }
];
// Check Each Feature
cb_BrowseFeatures.forEach(f =>
{
if (!f.check())
cb_UnsupportedFeatures.push(f.name);
});
// Report
const cb_WebFormsCoreUsingMessage = "You are using a web application built with WebForms Core technology.";
if (cb_UnsupportedFeatures.length > 0)
console.warn(cb_WebFormsCoreUsingMessage + "\nYour browser is outdated or unsuitable and may experience performance issues because it does not support the following features:", cb_UnsupportedFeatures.join(", "));
else
if (WebFormsOptions.AddConsoleMessage)
console.log(cb_WebFormsCoreUsingMessage + "\nCongratulations! All core browser features are supported.");
/* End Check Browser Support */
/* Start WebSocket */
const cb_UseWebSocketPath = [];
let cb_UseWebSocket = false;
const cb_WebSockets = {};
const cb_WebSocketRetryCount = {};
function cb_AddWebSocketPath(path)
{
if (!path)
path = window.location.pathname;
if (cb_UseWebSocketPath.indexOf(path) === -1)
cb_UseWebSocketPath.push(path);
}
function cb_WebSocketInitialization(Url, formAction)
{
const ws = new WebSocket(Url);
ws.onclose = function (evt)
{
cb_WebSocketOnClose(evt, formAction);
cb_WebSocketReconnect(Url, formAction);
};
ws.onerror = function (evt)
{
cb_WebSocketOnError(evt, formAction);
};
cb_WebSockets[formAction] = ws;
}
function cb_WebSocketReconnect(Url, formAction)
{
if (!cb_WebSocketRetryCount[formAction])
cb_WebSocketRetryCount[formAction] = WebFormsOptions.WebSocketReconnectMaxRetries;
const attempt = cb_WebSocketRetryCount[formAction];
if (attempt >= WebFormsOptions.WebSocketReconnectMaxRetries)
{
if (WebFormsOptions.AddConsoleMessageForWebSockets)
console.warn("WebSocket max retry reached. Stop reconnecting.");
return;
}
const delay = Math.min(1000 * Math.pow(2, attempt), 30000);
cb_WebSocketRetryCount[formAction]++;
setTimeout(() =>
{
cb_WebSocketInitialization(Url, formAction);
}, delay);
}
function cb_WebSocketOnClose(evt, formAction)
{
if (WebFormsOptions.AddConsoleMessageForWebSockets)
console.log("WebSocket disconnected, path: " + formAction);
if (WebFormsOptions.AddMessageForWebSocketClose)
cb_ShowMessage(WebFormsOptions.WebSocketDisconnectedLang, "none", WebFormsOptions.MessageDuration);
delete cb_WebSockets[formAction];
}
function cb_WebSocketDelete(formAction)
{
if (!formAction)
formAction = window.location.pathname;
const ws = cb_WebSockets[formAction];
if (ws)
{
if (ws.readyState === WebSocket.OPEN || ws.readyState === WebSocket.CONNECTING)
ws.close(1000, "Client closed connection");
delete cb_WebSockets[formAction];
if (WebFormsOptions.AddConsoleMessageForWebSockets)
console.log("WebSocket manually closed and removed: " + formAction);
}
}
function cb_WebSocketIsConnected(path)
{
if (!path)
path = window.location.pathname;
const ws = cb_WebSockets[path];
if (ws)
return (ws.readyState === WebSocket.OPEN || ws.readyState === WebSocket.CONNECTING);
return false;
}
function cb_WebSocketOnError(evt, formAction)
{
if (WebFormsOptions.AddConsoleMessageForWebSockets)
console.log("WebSocket error, path: " + formAction);
if (WebFormsOptions.AddMessageForWebSocketError)
cb_ShowMessage(WebFormsOptions.WebSocketErrorLang, "problem", WebFormsOptions.MessageDuration);
}
function cb_WebSocketDoSend(Message)
{
if (WebFormsOptions.AddConsoleMessageForWebSockets)
console.log("WebSocket sent:\n" + Message);
for (let formAction in cb_WebSockets)
if (cb_WebSockets[formAction].readyState === WebSocket.OPEN)
cb_WebSockets[formAction].send(Message);
}
function cb_WebSocketSet(formAction)
{
if (!formAction)
formAction = window.location.pathname;
const Url = cb_ConvertToWebSocketUrl(formAction)
if (WebFormsOptions.AddConsoleMessageForWebSockets)
console.log("WebSocket request path: " + formAction);
let active = false;
if (cb_WebSockets[formAction] && (cb_WebSockets[formAction].readyState === WebSocket.OPEN || cb_WebSockets[formAction].readyState === WebSocket.CONNECTING))
active = true;
if (!active)
{
if (WebFormsOptions.AddConsoleMessageForWebSockets)
console.log("No active WebSocket for this path, initializing new one...");
if (WebFormsOptions.AddMessageForWebSocketInitializing)
cb_ShowMessage(WebFormsOptions.InitializingNewWebSocketLang, "help", WebFormsOptions.MessageDuration);
cb_WebSocketInitialization(Url, formAction);
}
else
{
if (WebFormsOptions.AddConsoleMessageForWebSockets)
console.log("WebSocket already connected or connecting for this path");
}
}
/* End WebSocket */
/* Start SSE */
const cb_SSEConnections = {};
const cb_SSERetryCount = {};
function cb_ConnectToSSE(evt, path, shouldReconnect = true, reconnectTryTimeout = 3000, viewState)
{
if (!path)
path = window.location.pathname;
// Close Old Connection On The Same Path (If Exist)
if (cb_SSEConnections[path])
{
cb_SSEConnections[path].close();
delete cb_SSEConnections[path];
}
if (WebFormsOptions.AddConsoleMessageForSSE)
console.log(`SSE Trying to connect: ${path}`);
if (WebFormsOptions.AddMessageForSSEInitializing)
cb_ShowMessage(WebFormsOptions.SSETryingToConnectLang, "help", WebFormsOptions.MessageDuration);
const source = new EventSource(path);
source.onopen = () =>
{
if (WebFormsOptions.AddConsoleMessageForSSE)
console.log(`SSE Connected: ${path}`);
if (WebFormsOptions.AddMessageForSSEConnect)
cb_ShowMessage(WebFormsOptions.SSEConnectedLang, "success", WebFormsOptions.MessageDuration);
};
source.onmessage = (event) =>
{
if (WebFormsOptions.AddConsoleMessageForSSE)
console.log(`SSE Message from ${path}:`, event.data);
const response = event.data.Replace("$[sln];" , '\n');
cb_SetResponse(evt, response, viewState, "");
};
source.onerror = () =>
{
if (WebFormsOptions.AddConsoleMessageForSSE)
console.warn(`SSE Disconnected: ${path}`);
if (WebFormsOptions.AddMessageForSSEDisconnected)
cb_ShowMessage(WebFormsOptions.SSEDisconnectedLang, "problem", WebFormsOptions.MessageDuration);
source.close();
delete cb_SSEConnections[path];
if (!shouldReconnect)
return;
if (!cb_SSERetryCount[path])
cb_SSERetryCount[path] = 0;
if (cb_SSERetryCount[path] >= WebFormsOptions.SSEReconnectMaxRetries)
{
if (WebFormsOptions.AddConsoleMessageForSSE)
console.log("SSE max retry reached");
return;
}
cb_SSERetryCount[path]++;
if (WebFormsOptions.AddConsoleMessageForSSE)
console.log(`SSE Reconnecting to ${path} in ${reconnectTryTimeout}ms attempt ${cb_SSERetryCount[path]}...`);
if (WebFormsOptions.AddMessageForSSEReconnecting)
cb_ShowMessage(WebFormsOptions.SSEReconnectingLang + " ...", "none", WebFormsOptions.MessageDuration);
setTimeout(() => cb_ConnectToSSE(evt, path, shouldReconnect, reconnectTryTimeout, viewState), reconnectTryTimeout);
};
// Add Current Event Source
cb_SSEConnections[path] = source;
}
function cb_DisconnectSSE(path)
{
const source = cb_SSEConnections[path];
if (source)
{
source.close();
delete cb_SSEConnections[path];
if (WebFormsOptions.AddConsoleMessageForSSE)
console.log(`SSE Manually closed connection: ${path}`);
if (WebFormsOptions.AddMessageForSSEClose)
cb_ShowMessage(WebFormsOptions.SSEManuallyCloseLang, "none", WebFormsOptions.MessageDuration);
}
}
function cb_SSEIsConnected(path)
{
const source = cb_SSEConnections[path];
if (source)
return (source.readyState === EventSource.CONNECTING || source.readyState === EventSource.OPEN);
return false;
}
function cb_DisconnectAllSSE()
{
for (const path in cb_SSEConnections)
{
cb_SSEConnections[path].close();
if (WebFormsOptions.AddConsoleMessageForSSE)
console.log(`SSE Closed: ${path}`);
}
Object.keys(cb_SSEConnections).forEach(k => delete cb_SSEConnections[k]);
if (WebFormsOptions.AddMessageForSSECloseAll)
cb_ShowMessage(WebFormsOptions.SSEClosingAllLang, "none", WebFormsOptions.MessageDuration);
}
/* End SSE */
/* Start Event */
function cb_FakeEvent()
{
return new Event("load", { bubbles: false, cancelable: false });
}
function cb_SetPostBackFunctionToSubmit(obj)
{
if (!WebFormsOptions.AutoSetSubmitOnClick)
return;
const SubmitInputs = (obj) ? obj.querySelectorAll('input[type="submit"], button[type="submit"]') : document.querySelectorAll('input[type="submit"], button[type="submit"]');
SubmitInputs.forEach(function (InputElement)
{
if (InputElement.hasAttribute("onclick"))
{
const OnClickAttr = InputElement.getAttribute("onclick");
if (!OnClickAttr)
{
InputElement.setAttribute("onclick", "PostBack(event)");
return;
}
if (!OnClickAttr.ContainsNameWithSplitter("PostBack", ';', '('))
if (OnClickAttr.charAt(OnClickAttr.length - 1) == ';')
InputElement.setAttribute("onclick", OnClickAttr + "PostBack(event)");
else
InputElement.setAttribute("onclick", OnClickAttr + ";PostBack(event)");
}
else
InputElement.setAttribute("onclick", "PostBack(event)");
});
}
function cb_RemovePostBackFunctionInSubmit(obj, evt)
{
if (obj.tagName)
if (obj.tagName.toLowerCase() == "input" || obj.tagName.toLowerCase() == "button")
if (obj.hasAttribute("type"))
if (obj.getAttribute("type").toLowerCase() == "submit")
if (evt.toLowerCase() == "onclick" || evt.toLowerCase() == "click")
if (obj.hasAttribute("onclick"))
if (obj.getAttribute("onclick") == "PostBack(event)")
obj.removeAttribute("onclick");
}
window.onload = function ()
{
if (WebFormsOptions.UseLoaderForFirstPageLoad)
cb_ShowLoader();
cb_Initialization();
if (WebFormsOptions.UseLoaderForFirstPageLoad)
cb_HideLoader();
};
function cb_Initialization(obj)
{
cb_SetWebFormsCommentsValue(obj);
cb_SetPostBackFunctionToSubmit(obj);
cb_SetFormCustomValidity(obj);
cb_SetSPALink(obj);
cb_CleanExpiredCache();
}
function cb_AddEvent(obj, event, functionWithArgs)
{
// Remove Auto PostBack
cb_RemovePostBackFunctionInSubmit(obj, event);
if (obj.hasAttribute(event))
if (obj.getAttribute(event))
{
let currentAttribute = obj.getAttribute(event);
if (event == "onload")
{
var tmpObjOnload = obj.onload;
obj.onload = new Function(functionWithArgs);
obj.onload();
obj.onload = tmpObjOnload;
obj.setAttribute(event, functionWithArgs);
if (!obj)
return;
if (obj.getAttribute(event).length > functionWithArgs.length)
currentAttribute += ';' + obj.getAttribute(event).Replace(functionWithArgs, "");
}
obj.setAttribute(event, currentAttribute + ';' + functionWithArgs);
return;
}
if (event == "onload")
{
var tmpObjOnload = obj.onload;
obj.onload = new Function(functionWithArgs);
obj.onload();
obj.onload = tmpObjOnload;
}
obj.setAttribute(event, functionWithArgs);
}
function cb_RemoveEvent(obj, event, functionName)
{
const currentEvent = obj.getAttribute(event);
if (!currentEvent)
return;
const escaped = functionName.replace(/[.*+?^${}()|[\]\\]/g, "\\$&");
const regex = new RegExp(escaped + "\\([^)]*\\)(?:\\([^)]*\\))?;?", 'g');
const updatedEvent = currentEvent.replace(regex, "").trim();
obj.setAttribute(event, updatedEvent);
}
const cb_EventRegistry = {};
async function cb_AddEventListener(obj, event, currentFunction, args, functionType = "event")
{
args = args ?? [];
// Remove Auto PostBack
cb_RemovePostBackFunctionInSubmit(obj, event);
const callback = async function (evt)
{
args = await cb_SetDynamicValueForArgs(evt, args);
switch (functionType)
{
case "event": currentFunction.apply(this, [evt, ...args]); break;
case "method": currentFunction.apply(window, [...args]); break;
}
};
if (obj && event == "load")
{
const fakeEvent = cb_FakeEvent();
args = await cb_SetDynamicValueForArgs(fakeEvent, args);
switch (functionType)
{
case "event":
currentFunction.apply(obj, [fakeEvent, ...args]);
break;
case "method": currentFunction.apply(window, [...args]); break;
}
}
obj.addEventListener(event, callback);
// Generate A Unique ID If The Element Doesn't Have
let objId;
if (obj instanceof Element)
{
objId = obj.id;
if (!objId)
{
objId = "cb_" + Math.random().toString(36).substring(2, 9);
obj.id = objId;
// Store As Data Attribute For Easier Lookup During DOM Replacement
obj.setAttribute("cb-data-id", objId);
}
}
else
objId = "_cb_global_" + event;
if (!cb_EventRegistry[objId])
cb_EventRegistry[objId] = {};
if (!cb_EventRegistry[objId][event])
cb_EventRegistry[objId][event] = [];
// Check If This Exact Listener Already Exists
const existingListener = cb_EventRegistry[objId][event].find(
entry => entry.currentFunction === currentFunction && JSON.stringify(entry.args) === JSON.stringify(args)
);
if (!existingListener)
cb_EventRegistry[objId][event].push({ callback, currentFunction, args, functionType });
}
function cb_RemoveEventListener(obj, event, currentFunction)
{
const objId = obj instanceof Element ? (obj.id || obj) : "_cb_global_" + event;
const listeners = cb_EventRegistry[objId]?.[event];
if (listeners)
{
const listenerIndex = listeners.findIndex((entry) => entry.currentFunction === currentFunction);
if (listenerIndex !== -1)
{
const listener = listeners[listenerIndex];
obj.removeEventListener(event, listener.callback);
// Remove From Registry
cb_EventRegistry[objId][event].splice(listenerIndex, 1);
if (cb_EventRegistry[objId][event].length === 0)
delete cb_EventRegistry[objId][event];
if (Object.keys(cb_EventRegistry[objId]).length === 0)
delete cb_EventRegistry[objId];
}
}
}
function cb_RestoreListenersAfterDOMReplace(containerElement = document)
{
Object.keys(cb_EventRegistry).forEach(objId =>
{
let newElement = null;
if (objId.startsWith("cb_"))
newElement = containerElement.querySelector(`[cb-data-id="${objId}"]`);
else if (objId.startsWith("_cb_global_"))
return;
else
newElement = containerElement.getElementById(objId);
if (newElement)
{
const events = cb_EventRegistry[objId];
Object.keys(events).forEach(eventType =>
{
events[eventType].forEach(listener =>
{
const restoredCallback = async function(evt)
{
let args = listener.args || [];
if (typeof cb_SetDynamicValueForArgs === "function")
args = await cb_SetDynamicValueForArgs(evt, args);
if (listener.currentFunction)
{
switch (listener.functionType || "event")
{
case "event":
listener.currentFunction.apply(this, [evt, ...args]);
break;
case "method":
listener.currentFunction.apply(window, [...args]);
break;
}
}
};
newElement.addEventListener(eventType, restoredCallback);
listener.callback = restoredCallback;
});
});
}
});
}
function cb_PreServedEvent(evt)
{
const captured = {};
if (evt)
{
captured.currentTarget = evt.currentTarget;
captured.target = evt.target;
captured.type = evt.type;
captured.bubbles = evt.bubbles;
captured.cancelable = evt.cancelable;
captured.clientX = evt.clientX;
captured.clientY = evt.clientY;
captured.pageX = evt.pageX;
captured.pageY = evt.pageY;
captured.offsetX = evt.offsetX;
captured.offsetY = evt.offsetY;
captured.keyCode = evt.keyCode;
captured.key = evt.key;
captured.button = evt.button;
captured.which = evt.which;
captured.altKey = evt.altKey;
captured.ctrlKey = evt.ctrlKey;
captured.metaKey = evt.metaKey;
captured.shiftKey = evt.shiftKey;
captured.deltaY = evt.deltaY;
// ... Has More Event Properties
if (typeof evt.preventDefault === "function")
captured.preventDefault = function (){evt.preventDefault();};
if (typeof evt.stopPropagation === "function")
captured.stopPropagation = function () {evt.stopPropagation();};
if (typeof evt.getModifierState === "function")
captured.getModifierState = function (keyArg) { return evt.getModifierState(keyArg); };
// ... Has More Event Methods
}
return captured;
}
function PreventDefault(evt)
{
evt.preventDefault();
}
function StopPropagation(evt)
{
evt.stopPropagation();
}
function cb_SetSPALink(obj)
{
if (!WebFormsOptions.UseSPALink)
return;
const links = obj ? obj.querySelectorAll('a') : document.body.querySelectorAll('a');
links.forEach(link =>
{
const targetAttr = link.getAttribute("target");
let hrefAttr = link.getAttribute("href");
if (!hrefAttr)
return;
if (hrefAttr.length > 1 && hrefAttr.substring(0, 2) == "#~")
hrefAttr = hrefAttr.substring(2);
if (hrefAttr.startsWith("#"))
{
if (!WebFormsOptions.IgnoreQueryAndHashInSPALink)
link.setAttribute("onclick", `PreventDefault(event);cb_AddHashState('${hrefAttr}');`);
return;
}
if (!hrefAttr.includes("://") && !hrefAttr.startsWith("mailto:") && !hrefAttr.startsWith("tel:") && (!targetAttr || targetAttr === "_self"))
link.setAttribute("onclick", `PreventDefault(event);GetBack(event, '${hrefAttr}');`);
});
}
function cb_AddHashState(hrefAttr)
{
window.location.href = hrefAttr;
cb_PopstateIsPending = true;
setTimeout(() =>
{
try
{
history.pushState(window.history.state, "", hrefAttr);
window.scrollTo(0, 0);
}
catch
{
cb_PopstateIsPending = false;
}
cb_PopstateIsPending = false;
}, WebFormsOptions.SPASaveStateDelay);
}
function cb_TriggerEvent(element, constructorNameOrEvent, eventNameOrOptions, maybeOptions = {})
{
let event, constructorName, eventName, options;
if (typeof eventNameOrOptions === "string")
{
constructorName = constructorNameOrEvent?.toLowerCase?.();
eventName = eventNameOrOptions;
options = maybeOptions;
}
else
{
constructorName = null;
eventName = constructorNameOrEvent;
options = eventNameOrOptions || {};
}
// Default Options
const defaultOptions = { bubbles: true, cancelable: true, ...options };
// Automatic Event Type Detection
if (!constructorName)
{
if (/key/i.test(eventName))
constructorName = "keyboardevent";
else if
(/click|mouse/i.test(eventName)) constructorName = "mouseevent";
else if
(/input/i.test(eventName)) constructorName = "inputevent";
else if
(/focus|blur/i.test(eventName)) constructorName = "focusevent";
else if
(/scroll|resize/i.test(eventName)) constructorName = "uievent";
else constructorName = "event";
}
// Create Event Based In Constructor
switch (constructorName)
{
case "mouseevent": event = new MouseEvent(eventName, defaultOptions); break;
case "keyboardevent":
event = new KeyboardEvent(eventName,
{
key: options.key || 'a',
code: options.code || "KeyA",
...defaultOptions
});
break;
case "inputevent": event = new InputEvent(eventName, defaultOptions); break;
case "focusevent": event = new FocusEvent(eventName, defaultOptions); break;
case "uievent": event = new UIEvent(eventName, defaultOptions); break;
default: event = new Event(eventName, defaultOptions); break;
}
element.dispatchEvent(event);
}
function cb_EventSerialize(e)
{
const obj = {};
for (let key in e)
{
try
{
const v = e[key];
if (typeof v !== "object" && typeof v !== "function")
obj[key] = v;
}
catch
{
/* empty */
}
}
return JSON.stringify(obj, null, 2);
}
/* End Event */
/* Start Custom Event */
// Scroll To Button
function cb_WindowBottomReached()
{
const bottomReached = window.innerHeight + window.scrollY >= document.body.scrollHeight;