61 lines
1.4 KiB
JavaScript
61 lines
1.4 KiB
JavaScript
/**
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* Utility functions.
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*/
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var Util = (function (my) {
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/**
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* Returns the text width for the given element.
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*
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* @param el the element
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*/
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my.getTextWidth = function(el) {
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return (el.clientWidth + 1);
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};
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/**
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* Returns the text height for the given element.
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*
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* @param el the element
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*/
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my.getTextHeight = function(el) {
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return (el.clientHeight + 1);
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};
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/**
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* Casts the given number to integer.
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*
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* @param number the number to cast
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*/
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my.toInteger = function(number) {
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return Math.round(Number(number));
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};
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/**
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* Plays the sound given by id.
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*
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* @param id the identifier of the audio element.
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*/
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my.playSoundNotification = function(id) {
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document.getElementById(id).play();
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};
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/**
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* Escapes the given text.
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*/
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my.escapeHtml = function(unsafeText) {
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return $('<div/>').text(unsafeText).html();
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};
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/**
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* Indicates if the given string is an alphanumeric string.
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* Note that some special characters are also allowed (-, _ , /) for the
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* purpose of checking URIs. (FIXME: This should maybe moved to another not
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* so generic method in the future.)
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*/
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my.isAlphanumeric = function(unsafeText) {
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var regex = /^[a-z0-9-_\/]+$/i;
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return regex.test(unsafeText);
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};
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return my;
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}(Util || {})); |