QZ javascript

basic.js

(function($) {
	'use strict';
	/**
	 * trim functions
	 *
	 * @class trim
	 */
	function Trim() {
		/**
		 * @type {number}
		 * @private
		 */
		var trimLength = 100;

		/**
		 * @type {number}
		 * @public
		 */
		this.trimStart = 0;

		/**
		 * crop each element with data-trim="true"
		 *
		 * @return {void}
		 */
		this.start = function() {
			var $elements = getTrimElements();
			$elements.each(function() {
				var $this = $(this);
				var content = $this.html();

				// trim content
				$this.html(trim(content));

				// if changed content, add title attribute
				if ($this.html() !== $this.html(trim(content))) {
					$this.prop('title', removeQuotes(content));
				}
			});
		};

		/**
		 * @returns {*|HTMLElement}
		 */
		var getTrimElements = function() {
			return $('*[data-trim="true"]');
		};

		/**
		 * Trim string by 100 characters and append "..."
		 *
		 * @type {string}
		 * @returns {*|string}
		 */
		var trim = function(string) {
			if (string.length > trimLength) {
				return string.substr(this.trimStart, trimLength) + ' ...';
			}
			return string;
		};

		/**
		 * remove quotes
		 *
		 * @type {string}
		 * @returns {XML|void|*|string}
		 */
		var removeQuotes = function(string) {
			return string.replace(/"/g, '');
		};
	}

	var trimClass = new Trim();
	trimClass.start();
})(jQuery);