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hedera-web-mindshore/js/vn/vn.js

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JavaScript
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require('mootools');
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Vn = module.exports = {};
Object.assign(Vn, {
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Locale : require('./locale')
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,Enum : require('./enum')
,Type : require('./type')
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,Object : require('./object')
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,Mutators : require('./mutators')
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,Browser : require('./browser')
,Cookie : require('./cookie')
,Date : require('./date')
,Value : require('./value')
,Url : require('./url')
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,LotIface : require('./lot-iface')
,Lot : require('./lot')
,LotQuery : require('./lot-query')
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,Hash : require('./hash')
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,ParamIface : require('./param-iface')
,Param : require('./param')
,Spec : require('./spec')
,Model : require('./model')
,ModelIface : require('./model-iface')
,ModelProxy : require('./model-proxy')
,IteratorIface : require('./iterator-iface')
,Iterator : require('./iterator')
,Form : require('./form')
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,Node : require('./node')
,NodeBuilder : require('./node-builder')
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,Component : require('./component')
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,Builder : require('./builder')
,JsonException : require('./json-exception')
,JsonConnection : require('./json-connection')
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,Config: {}
,includes: {}
,cssIncludes: {}
,currentDeps: []
,currentCallback: null
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,head: document.getElementsByTagName('head')[0]
,isMobileCached: null
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,getVersion() {
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if (this._version === undefined) {
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var re = /[; ]vnVersion=([^\\s;]*)/;
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var sMatch = (' '+ document.cookie).match(re);
this._version = (sMatch) ? '?'+ unescape(sMatch[1]) : '';
}
return this._version;
}
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,setVersion(version) {
document.cookie = `vnVersion=${version}; SameSite=Lax;`;
}
/**
* Includes a new CSS stylesheet in the current document, if the stylesheet
* is already included, does nothing.
*
* @param {string} fileName The stylesheet file name
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*/
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,includeCss(fileName) {
var cssData = this.cssIncludes[fileName];
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if (!cssData) {
var link = document.createElement('link');
link.rel = 'stylesheet';
link.type = 'text/css';
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link.href = fileName + this.getVersion();
this.head.appendChild(link);
this.cssIncludes[fileName] =
{
included: true
,link: link
};
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} else if (!cssData.included) {
cssData.link.disabled = false;
cssData.included = true;
}
}
/**
* Excludes a CSS stylesheet from the current document.
*
* @param {string} fileName The stylesheet file name
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*/
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,excludeCss(fileName) {
var cssData = this.cssIncludes[fileName];
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if (cssData && cssData.included) {
cssData.link.disabled = true;
cssData.included = false;
}
}
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,_createIncludeData(path) {
var includeData = {
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path,
depCount: 0,
success: false,
loaded: false,
callbacks: [],
dependants: [],
};
this.includes[path] = includeData;
return includeData;
}
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,_resolveDeps(includeData) {
includeData.success = true;
var callbacks = includeData.callbacks;
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if (callbacks)
for (var i = 0; i < callbacks.length; i++)
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callbacks[i](includeData.loaded);
var dependants = includeData.dependants;
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if (dependants)
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for (var i = 0; i < dependants.length; i++) {
var dependant = dependants[i];
dependant.depCount--;
if (dependant.depCount == 0)
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this._resolveDeps(dependant);
}
delete includeData.callbacks;
delete includeData.dependants;
delete includeData.depCount;
}
/**
* Initializes the library and calls the passed function when all
* includes and its dependencies are resolved.
* Should be called on the last statically incuded script.
*
* @param {Function} callback The main function
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*/
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,main(callback) {
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if (this.mainCalled) {
Vn.warning("Vn: main method should be called only once");
return;
}
this.mainCalled = true;
this.mainCallback = callback;
var basePath = location.protocol +'//'+ location.host;
basePath += location.port ? ':'+ location.port : '';
basePath += location.pathname;
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var scripts = this.head.getElementsByTagName('script');
var includes = this.currentDeps;
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for (var i = 0; i < scripts.length; i++) {
var path = scripts[i].src.substr(basePath.length);
path = path.substr(0, path.indexOf('.js')) +'.js';
var includeData = this.includes[path];
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if (includeData === undefined) {
this.currentDeps = includes;
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var includeData = this._createIncludeData(path);
this._onScriptLoad(includeData, true);
}
}
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includeData.callbacks.push(this._onMainDepsLoad.bind(this));
window.addEventListener('load', this._onWindowLoad.bind(this));
}
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,_onMainDepsLoad() {
this.mainDepsLoaded = true;
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this._callMain();
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}
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,_onWindowLoad() {
this.windowReady = true;
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this._callMain();
}
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,_callMain() {
if (this.mainCallback && this.windowReady && this.mainDepsLoaded)
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this.mainCallback();
}
/**
* Includes a set of javascript files and sets it as dependecies of the
* current script.
*
* @param {...} The list of files as function arguments
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*/
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,include() {
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for (var i = 0; i < arguments.length; i++) {
var includeData = this._realIncludeJs(arguments[i] +'.js');
if (!includeData.success)
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this.currentDeps.push(includeData);
}
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}
/**
* Downloads a set of resources and sets it as dependecies of the
* current script.
*
* @param {...} The list of files as function arguments
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*/
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,resource() {
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for (var i = 0; i < arguments.length; i++) {
var includeData = this._realLoadXml(arguments[i]);
if (!includeData.success)
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this.currentDeps.push(includeData);
}
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}
/**
* Sets the function that will be called when current script dependencies
* are resolved.
*
* @param {Function} callback The callback function
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*/
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,define(callback) {
this.currentCallback = callback;
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}
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,async _handleCallback(includeData) {
if (includeData.success) return;
return new Promise((resolve, reject) => {
function callback(loaded) {
if (!loaded)
return reject(new Error(`Could not load resource: ${includeData.path}`));
resolve();
}
includeData.callbacks.push(callback);
});
}
/**
* Includes a new Javascript in the current document, if the script
* is already included, does nothing and calls the callback.
*
* @param {string} fileName The script file name
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*/
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,async includeJs(fileName, skipVersion) {
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var includeData = this._realIncludeJs(fileName, skipVersion);
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return this._handleCallback(includeData);
}
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,_realIncludeJs(fileName, skipVersion) {
var includeData = this.includes[fileName];
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if (includeData === undefined) {
includeData = this._createIncludeData(fileName);
var src = fileName;
if (!skipVersion)
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src = src + this.getVersion();
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var script = document.createElement('script');
script.type = 'text/javascript';
script.async = false;
script.src = src;
script.onload =
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() => this._onScriptLoad(includeData, true);
script.onerror =
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() => this._onScriptLoad(includeData, false);
script.onreadystatechange =
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() => this._onScriptStateChange(includeData, script);
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this.head.appendChild(script);
}
return includeData;
}
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,_onScriptStateChange(includeData, script) {
if (script.readyState == 'complete')
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this._onScriptLoad(includeData, true);
}
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,_onScriptLoad(includeData, loaded) {
includeData.loaded = loaded;
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if (loaded) {
if (this.currentCallback)
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includeData.callbacks.unshift(this.currentCallback);
var includes = this.currentDeps;
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if (includes && includes.length > 0) {
includeData.depCount = includes.length;
for (var i = 0; i < includes.length; i++)
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includes[i].dependants.push(includeData);
} else
this._resolveDeps(includeData);
} else
this._resolveDeps(includeData);
this.currentDeps = [];
this.currentCallback = null;
}
/**
* Request an XML file.
*
* @param {string} path The file path
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*/
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,async loadXml(path) {
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var includeData = this._realLoadXml(path);
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return this._handleCallback(includeData);
}
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,_realLoadXml(path) {
var includeData = this.includes[path];
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if (includeData === undefined) {
includeData = this._createIncludeData(path);
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var request = new XMLHttpRequest();
request.onreadystatechange =
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() => this._onXmlReady(includeData, request);
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request.open('get', path + this.getVersion(), true);
request.send();
}
return includeData;
}
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,_onXmlReady(includeData, request) {
if (request.readyState != 4)
return;
includeData.loaded = request.status == 200;
if (includeData.loaded)
includeData.xml = request.responseXML;
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this._resolveDeps(includeData);
}
/**
* Gets the DOM object from an included XML file.
*
* @param {string} path The file path
* @return {Object} The DOM object
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*/
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,getXml(path) {
var includeData = this.includes[path];
if (!(includeData && includeData.success))
return null;
return includeData.xml;
}
/**
* Checks if user is using a mobile browser.
*
* return {boolean} %true if is mobile, %false otherwise.
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*/
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,isMobile() {
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if (this.isMobileCached === null) {
var regExp = /(Android|webOS|iPhone|iPad|iPod|BlackBerry|Windows Phone)/i;
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this.isMobileCached = navigator.userAgent.match(regExp);
}
return this.isMobileCached;
}
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});