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Viewing File: FooTable.js

(function($, F){

	/**
	 * Converts the supplied cssText string into JSON object.
	 * @param {string} cssText - The cssText to convert to a JSON object.
	 * @returns {object}
	 */
	F.css2json = function(cssText){
		if (F.is.emptyString(cssText)) return {};
		var json = {}, props = cssText.split(';'), pair, key, value;
		for (var i = 0, i_len = props.length; i < i_len; i++){
			if (F.is.emptyString(props[i])) continue;
			pair = props[i].split(':');
			if (F.is.emptyString(pair[0]) || F.is.emptyString(pair[1])) continue;
			key = F.str.toCamelCase($.trim(pair[0]));
			value = $.trim(pair[1]);
			json[key] = value;
		}
		return json;
	};

	/**
	 * Attempts to retrieve a function pointer using the given name.
	 * @param {string} functionName - The name of the function to fetch a pointer to.
	 * @returns {(function|object|null)}
	 */
	F.getFnPointer = function(functionName){
		if (F.is.emptyString(functionName)) return null;
		var pointer = window,
			parts = functionName.split('.');
		F.arr.each(parts, function(part){
			if (pointer[part]) pointer = pointer[part];
		});
		return F.is.fn(pointer) ? pointer : null;
	};

	/**
	 * Checks the value for function properties such as the {@link FooTable.Column#formatter} option which could also be specified using just the name
	 * and attempts to return the correct function pointer or null if none was found matching the value.
	 * @param {FooTable.Class} self - The class to use as the 'this' keyword within the context of the function.
	 * @param {(function|string)} value - The actual function or the name of the function for the property.
	 * @param {function} [def] - A default function to return if none is found.
	 * @returns {(function|null)}
	 */
	F.checkFnValue = function(self, value, def){
		def = F.is.fn(def) ? def : null;
		function wrap(t, fn, d){
			if (!F.is.fn(fn)) return d;
			return function(){
				return fn.apply(t, arguments);
			};
		}
		return F.is.fn(value) ? wrap(self, value, def) : (F.is.type(value, 'string') ? wrap(self, F.getFnPointer(value), def) : def);
	};

})(jQuery, FooTable);