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/*
 *
 */

(function (fw) {

    if (!fw.selection || fw.selection.length == 0) {
		alert('Run it again after selection of targets.');
		return false;
	}

	var object = fw.selection,
		objectLength = object.length,
		defaultPrefix = '.position',
		prefix = prompt('Input the prefix for CSS selector.\nIf you don\'t input a character or cancel, it outputs \"#object.name\" or \"#object.baseName\" as the prefix.\n ', defaultPrefix),
		indexLength = 3,
		getSelector = null,
		text = '';

	function fixNum(num, length){
		var str = String(num),
			i = length - 1;
		while (i > 0) {
			if (str.length < length) {
				str = '0' + str;
			} else {
				break;
			}
			i--;
		}
		return str;
	};

	if (!prefix) {
		getSelector = function (object, i) {
			var selector;
			if (object.baseName) {
				selector = '#' + object.baseName;
			} else if (object.name) {
				selector = '#' + object.name + '-' + fixNum(i, indexLength);
			} else {
				selector = defaultPrefix + '-' + fixNum(i, indexLength);
			}
			return selector;
		};
	} else {
		getSelector = function (object, i) {
			return prefix + '-' + fixNum(i, indexLength);
		};
	}

	for (var i = 0; i < objectLength; i++) {
		var selector = getSelector(object[i], i + 1);
		text += selector + ' {\n    top: ' + object[i].top + 'px;\n    left: ' + object[i].left + 'px;\n}\n';
	}

	prompt('Copy this and paste on your CSS file.', text);

}(fw));