Mon 21 Jul 22:43:21 CEST 2025
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js/ui/webui/webutils.js
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204
js/ui/webui/webutils.js
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// Version 1.2.1
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var out = console.log
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if (typeof print != 'undefined') print=console.log;
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function readTextFile(file, cb) {
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try {
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var rawFile = new XMLHttpRequest();
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rawFile.open("GET", file, false);
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rawFile.onreadystatechange = function () {
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if(rawFile.readyState === 4)
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{
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if(rawFile.status === 200 || rawFile.status == 0)
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{
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var allText = rawFile.responseText;
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cb(allText)
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} else cb(null,rawFile.status||'failed');
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} else console.log(rawFile.readyState)
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}
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rawFile.onerror = function (err) {
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cb(null,err||'failed')
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}
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rawFile.send(null);
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} catch (e) {
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cb(null,e)
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}
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}
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function loadScript(dir,ext,cb) {
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var input = document.createElement("input");
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input.setAttribute("type", "file");
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input.addEventListener('change',function () {
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var fileReader = new FileReader();
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fileReader.onload = function (e) {
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var text = fileReader.result;
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if (cb) cb(fileReader.result,input.files[0].name);
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}
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input.files[0]=dir;
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fileReader.readAsText(input.files[0]);
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});
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$(input).trigger("click"); // opening dialog
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}
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function loadjs(filename) {
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var fileref = document.createElement('script');
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fileref.setAttribute("type", "text/javascript");
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fileref.setAttribute("src", filename);
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if (typeof fileref != "undefined")
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document.getElementsByTagName("head")[0].appendChild(fileref)
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}
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S = {
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sub: function (str,off,len) {
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if (len)
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return str.substr(off,off+len);
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else
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return str.substr(off);
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},
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/** Remove leading and trailing characters from string
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*
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* @param str
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* @param {number} pref number of head characters to remove
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* @param {number} post number of tail characters to remove
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* @returns {*}
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*/
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trim: function (str,pref,post) {
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if (str.length==0 ||
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pref>str.length ||
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post>str.length ||
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pref < 0 || post < 0 ||
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(pref==0 && post==0)
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) return str;
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return str.substr(pref,str.length-pref-post);
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}
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}
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function loadFile (cb) {
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var input = document.createElement('input');
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input.type = 'file';
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input.onchange = function (e) {
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// getting a hold of the file reference
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var file = e.target.files[0];
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// setting up the reader
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var reader = new FileReader();
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reader.readAsText(file,'UTF-8');
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// here we tell the reader what to do when it's done reading...
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reader.onload = function (readerEvent) {
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var content = readerEvent.target.result; // this is the content!
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// console.log( content );
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cb(content)
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}
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}
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input.click();
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}
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function saveFile(data, filename, type) {
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var file = new Blob([data], {type: type});
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if (window.navigator.msSaveOrOpenBlob) // IE10+
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window.navigator.msSaveOrOpenBlob(file, filename);
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else { // Others
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var a = document.createElement("a"),
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url = URL.createObjectURL(file);
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a.href = url;
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a.download = filename;
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document.body.appendChild(a);
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a.click();
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setTimeout(function() {
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document.body.removeChild(a);
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window.URL.revokeObjectURL(url);
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}, 0);
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}
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}
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/** Change CSS
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*
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*/
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function changeCSS(theClass,element,value) {
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var cssRules;
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for (var S = 0; S < document.styleSheets.length; S++) {
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try {
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document.styleSheets[S].insertRule(theClass+' { '+element+': '+value+'; }',
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document.styleSheets[S][cssRules].length);
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} catch(err) {
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try{
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document.styleSheets[S].addRule(theClass,element+': '+value+';');
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} catch(err){
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try{
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if (document.styleSheets[S]['rules']) {
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cssRules = 'rules';
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} else if (document.styleSheets[S]['cssRules']) {
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cssRules = 'cssRules';
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} else {
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//no rules found... browser unknown
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}
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for (var R = 0; R < document.styleSheets[S][cssRules].length; R++) {
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if (document.styleSheets[S][cssRules][R].selectorText == theClass) {
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if(document.styleSheets[S][cssRules][R].style[element]){
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document.styleSheets[S][cssRules][R].style[element] = value;
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break;
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}
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}
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}
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} catch (err){}
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}
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}
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}
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}
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function parseUrl(url) {
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if (!url) return {};
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var queryString = url.substring( url.indexOf('?') + 1 );
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if (queryString == url) return {};
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var params = {}, queries, temp, i, l;
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// Split into key/value pairs
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queries = queryString.split("&");
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// Convert the array of strings into an object
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for ( i = 0, l = queries.length; i < l; i++ ) {
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temp = queries[i].split('=');
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if (temp[1]==undefined) temp[1]='true';
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params[temp[0]] = temp[1].replace('%20',' ');
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}
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return params;
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}
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/** Cookie Management
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*
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*/
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function setCookie(name,value,days) {
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var expires = "";
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if (days) {
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var date = new Date();
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date.setTime(date.getTime() + (days*24*60*60*1000));
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expires = "; expires=" + date.toUTCString();
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}
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document.cookie = name + "=" + (value || "") + expires + "; path=/";
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}
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function getCookie(name) {
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var nameEQ = name + "=";
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var ca = document.cookie.split(';');
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for(var i=0;i < ca.length;i++) {
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var c = ca[i];
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while (c.charAt(0)==' ') c = c.substring(1,c.length);
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if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
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}
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return null;
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}
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function eraseCookie(name) {
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document.cookie = name+'=; Max-Age=-99999999;';
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}
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Utils.eraseCookie=eraseCookie;
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Utils.getCookie=getCookie;
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Utils.parseUrl=parseUrl;
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Utils.setCookie=setCookie;
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