253 lines
7.8 KiB
JavaScript
253 lines
7.8 KiB
JavaScript
define([ "jquery", "underscore" ], function($) {
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var utils = {};
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// Return a parameter from the URL
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utils.getURLParameter = function(name) {
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var regex = new RegExp(name + "=(.+?)(&|$)");
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try {
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return decodeURIComponent(regex.exec(location.search)[1]);
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} catch (e) {
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return undefined;
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}
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};
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// Transform a selector into a jQuery object
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function jqElt(element) {
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if(_.isString(element)) {
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return $(element);
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}
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return element;
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}
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// For input control
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function inputError(element, event) {
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if(event !== undefined) {
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element.stop(true, true).addClass("error").delay(1000).switchClass("error");
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event.stopPropagation();
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}
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}
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// Return input value
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utils.getInputValue = function(element) {
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element = jqElt(element);
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return element.val();
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};
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// Set input value
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utils.setInputValue = function(element, value) {
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element = jqElt(element);
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element.val(value);
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};
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// Return input text value
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utils.getInputTextValue = function(element, event, validationRegex) {
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element = jqElt(element);
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var value = element.val();
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if (value === undefined) {
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inputError(element, event);
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return undefined;
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}
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// trim
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value = utils.trim(value);
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if((value.length === 0)
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|| (validationRegex !== undefined && !value.match(validationRegex))) {
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inputError(element, event);
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return undefined;
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}
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return value;
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};
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// Return input integer value
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utils.getInputIntValue = function(element, event, min, max) {
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element = jqElt(element);
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var value = utils.getInputTextValue(element, event);
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if(value === undefined) {
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return undefined;
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}
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value = parseInt(value);
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if((value === NaN)
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|| (min !== undefined && value < min)
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|| (max !== undefined && value > max)) {
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inputError(element, event);
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return undefined;
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}
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return value;
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};
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// Return checkbox boolean value
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utils.getInputChecked = function(element) {
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element = jqElt(element);
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return element.prop("checked");
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};
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// Set checkbox state
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utils.setInputChecked = function(element, checked) {
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element = jqElt(element);
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element.prop("checked", checked);
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};
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// Get radio button value
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utils.getInputRadio = function(name) {
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return $("input:radio[name=" + name + "]:checked").prop("value");
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};
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// Set radio button value
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utils.setInputRadio = function(name, value) {
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$("input:radio[name=" + name + "][value=" + value + "]").prop("checked", true);
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};
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// Reset input control in all modals
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utils.resetModalInputs = function() {
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$(".modal input[type=text]:not([disabled]), .modal input[type=password]").val("");
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};
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// Basic trim function
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utils.trim = function(str) {
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return $.trim(str);
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};
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// Check an URL
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utils.checkUrl = function(url, addSlash) {
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if(!url) {
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return url;
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}
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if(url.indexOf("http") !== 0) {
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url = "http://" + url;
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}
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if(addSlash && url.indexOf("/", url.length - 1) === -1) {
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url += "/";
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}
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return url;
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};
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// Base64 conversion
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utils.encodeBase64 = function(str) {
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if (str.length === 0) {
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return "";
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}
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// UTF-8 to byte array
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var bytes = [], offset = 0, length, char;
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str = encodeURI(str);
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length = str.length;
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while (offset < length) {
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char = str[offset];
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offset += 1;
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if ('%' !== char) {
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bytes.push(char.charCodeAt(0));
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} else {
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char = str[offset] + str[offset + 1];
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bytes.push(parseInt(char, 16));
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offset += 2;
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}
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}
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// byte array to base64
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var padchar = '=';
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var alpha = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';
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var i, b10;
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var x = [];
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var imax = bytes.length - bytes.length % 3;
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for (i = 0; i < imax; i += 3) {
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b10 = (bytes[i] << 16) | (bytes[i+1] << 8) | bytes[i+2];
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x.push(alpha.charAt(b10 >> 18));
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x.push(alpha.charAt((b10 >> 12) & 0x3F));
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x.push(alpha.charAt((b10 >> 6) & 0x3f));
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x.push(alpha.charAt(b10 & 0x3f));
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}
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switch (bytes.length - imax) {
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case 1:
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b10 = bytes[i] << 16;
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x.push(alpha.charAt(b10 >> 18) + alpha.charAt((b10 >> 12) & 0x3F) +
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padchar + padchar);
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break;
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case 2:
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b10 = (bytes[i] << 16) | (bytes[i+1] << 8);
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x.push(alpha.charAt(b10 >> 18) + alpha.charAt((b10 >> 12) & 0x3F) +
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alpha.charAt((b10 >> 6) & 0x3f) + padchar);
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break;
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}
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return x.join('');
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};
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// CRC32 algorithm
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var mHash = [ 0, 1996959894, 3993919788, 2567524794, 124634137,
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1886057615, 3915621685, 2657392035, 249268274, 2044508324,
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3772115230, 2547177864, 162941995, 2125561021, 3887607047,
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2428444049, 498536548, 1789927666, 4089016648, 2227061214,
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450548861, 1843258603, 4107580753, 2211677639, 325883990,
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1684777152, 4251122042, 2321926636, 335633487, 1661365465,
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4195302755, 2366115317, 997073096, 1281953886, 3579855332,
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2724688242, 1006888145, 1258607687, 3524101629, 2768942443,
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901097722, 1119000684, 3686517206, 2898065728, 853044451,
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1172266101, 3705015759, 2882616665, 651767980, 1373503546,
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3369554304, 3218104598, 565507253, 1454621731, 3485111705,
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3099436303, 671266974, 1594198024, 3322730930, 2970347812,
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795835527, 1483230225, 3244367275, 3060149565, 1994146192,
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31158534, 2563907772, 4023717930, 1907459465, 112637215,
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2680153253, 3904427059, 2013776290, 251722036, 2517215374,
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3775830040, 2137656763, 141376813, 2439277719, 3865271297,
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1802195444, 476864866, 2238001368, 4066508878, 1812370925,
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453092731, 2181625025, 4111451223, 1706088902, 314042704,
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2344532202, 4240017532, 1658658271, 366619977, 2362670323,
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4224994405, 1303535960, 984961486, 2747007092, 3569037538,
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1256170817, 1037604311, 2765210733, 3554079995, 1131014506,
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879679996, 2909243462, 3663771856, 1141124467, 855842277,
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2852801631, 3708648649, 1342533948, 654459306, 3188396048,
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3373015174, 1466479909, 544179635, 3110523913, 3462522015,
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1591671054, 702138776, 2966460450, 3352799412, 1504918807,
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783551873, 3082640443, 3233442989, 3988292384, 2596254646,
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62317068, 1957810842, 3939845945, 2647816111, 81470997, 1943803523,
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3814918930, 2489596804, 225274430, 2053790376, 3826175755,
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2466906013, 167816743, 2097651377, 4027552580, 2265490386,
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503444072, 1762050814, 4150417245, 2154129355, 426522225,
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1852507879, 4275313526, 2312317920, 282753626, 1742555852,
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4189708143, 2394877945, 397917763, 1622183637, 3604390888,
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2714866558, 953729732, 1340076626, 3518719985, 2797360999,
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1068828381, 1219638859, 3624741850, 2936675148, 906185462,
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1090812512, 3747672003, 2825379669, 829329135, 1181335161,
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3412177804, 3160834842, 628085408, 1382605366, 3423369109,
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3138078467, 570562233, 1426400815, 3317316542, 2998733608,
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733239954, 1555261956, 3268935591, 3050360625, 752459403,
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1541320221, 2607071920, 3965973030, 1969922972, 40735498,
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2617837225, 3943577151, 1913087877, 83908371, 2512341634,
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3803740692, 2075208622, 213261112, 2463272603, 3855990285,
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2094854071, 198958881, 2262029012, 4057260610, 1759359992,
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534414190, 2176718541, 4139329115, 1873836001, 414664567,
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2282248934, 4279200368, 1711684554, 285281116, 2405801727,
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4167216745, 1634467795, 376229701, 2685067896, 3608007406,
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1308918612, 956543938, 2808555105, 3495958263, 1231636301,
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1047427035, 2932959818, 3654703836, 1088359270, 936918000,
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2847714899, 3736837829, 1202900863, 817233897, 3183342108,
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3401237130, 1404277552, 615818150, 3134207493, 3453421203,
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1423857449, 601450431, 3009837614, 3294710456, 1567103746,
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711928724, 3020668471, 3272380065, 1510334235, 755167117 ];
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utils.crc32 = function(str) {
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var n = 0, crc = -1;
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for ( var i = 0; i < str.length; i++) {
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n = (crc ^ str.charCodeAt(i)) & 0xFF;
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crc = (crc >>> 8) ^ mHash[n];
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}
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crc = crc ^ (-1);
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if (crc < 0) {
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crc = 0xFFFFFFFF + crc + 1;
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}
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return crc.toString(16);
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};
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// Generates a random string
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utils.randomString = function() {
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return _.random(4294967296).toString(36);
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};
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return utils;
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});
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