/**
* BoxUtils.js
*
* Released under LGPL License.
* Copyright (c) 1999-2015 Ephox Corp. All rights reserved
*
* License: http://www.tinymce.com/license
* Contributing: http://www.tinymce.com/contributing
*/
/**
* Utility class for box parsing and measuing.
*
* @private
* @class tinymce.ui.BoxUtils
*/
define("tinymce/ui/BoxUtils", [
], function() {
"use strict";
return {
/**
* Parses the specified box value. A box value contains 1-4 properties in clockwise order.
*
* @method parseBox
* @param {String/Number} value Box value "0 1 2 3" or "0" etc.
* @return {Object} Object with top/right/bottom/left properties.
* @private
*/
parseBox: function(value) {
var len, radix = 10;
if (!value) {
return;
}
if (typeof value === "number") {
value = value || 0;
return {
top: value,
left: value,
bottom: value,
right: value
};
}
value = value.split(' ');
len = value.length;
if (len === 1) {
value[1] = value[2] = value[3] = value[0];
} else if (len === 2) {
value[2] = value[0];
value[3] = value[1];
} else if (len === 3) {
value[3] = value[1];
}
return {
top: parseInt(value[0], radix) || 0,
right: parseInt(value[1], radix) || 0,
bottom: parseInt(value[2], radix) || 0,
left: parseInt(value[3], radix) || 0
};
},
measureBox: function(elm, prefix) {
function getStyle(name) {
var defaultView = document.defaultView;
if (defaultView) {
// Remove camelcase
name = name.replace(/[A-Z]/g, function(a) {
return '-' + a;
});
return defaultView.getComputedStyle(elm, null).getPropertyValue(name);
}
return elm.currentStyle[name];
}
function getSide(name) {
var val = parseFloat(getStyle(name), 10);
return isNaN(val) ? 0 : val;
}
return {
top: getSide(prefix + "TopWidth"),
right: getSide(prefix + "RightWidth"),
bottom: getSide(prefix + "BottomWidth"),
left: getSide(prefix + "LeftWidth")
};
}
};
});
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