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jquery.transform-0.9.1pre.js
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jquery.transform-0.9.1pre.js
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/*!
* jQuery 2d Transform v0.9.1pre
* http://wiki.github.com/heygrady/transform/
*
* Copyright 2010, Grady Kuhnline
* Dual licensed under the MIT or GPL Version 2 licenses.
* http://jquery.org/license
*
* Date: Fri Nov 26 14:48:28 2010 -0800
*/
///////////////////////////////////////////////////////
// Transform
///////////////////////////////////////////////////////
(function($, window, document, undefined) {
/**
* @var Regex identify the matrix filter in IE
*/
var rmatrix = /progid:DXImageTransform\.Microsoft\.Matrix\(.*?\)/,
rfxnum = /^([\+\-]=)?([\d+.\-]+)(.*)$/,
rperc = /%/;
// Steal some code from Modernizr
var m = document.createElement( 'modernizr' ),
m_style = m.style;
function stripUnits(arg) {
return parseFloat(arg);
}
/**
* Find the prefix that this browser uses
*/
function getVendorPrefix() {
var property = {
transformProperty : '',
MozTransform : '-moz-',
WebkitTransform : '-webkit-',
OTransform : '-o-',
msTransform : '-ms-'
};
for (var p in property) {
if (typeof m_style[p] != 'undefined') {
return property[p];
}
}
return null;
}
function supportCssTransforms() {
if (typeof(window.Modernizr) !== 'undefined') {
return Modernizr.csstransforms;
}
var props = [ 'transformProperty', 'WebkitTransform', 'MozTransform', 'OTransform', 'msTransform' ];
for ( var i in props ) {
if ( m_style[ props[i] ] !== undefined ) {
return true;
}
}
}
// Capture some basic properties
var vendorPrefix = getVendorPrefix(),
transformProperty = vendorPrefix !== null ? vendorPrefix + 'transform' : false,
transformOriginProperty = vendorPrefix !== null ? vendorPrefix + 'transform-origin' : false;
// store support in the jQuery Support object
$.support.csstransforms = supportCssTransforms();
// IE9 public preview 6 requires the DOM names
if (vendorPrefix == '-ms-') {
transformProperty = 'msTransform';
transformOriginProperty = 'msTransformOrigin';
}
/**
* Class for creating cross-browser transformations
* @constructor
*/
$.extend({
transform: function(elem) {
// Cache the transform object on the element itself
elem.transform = this;
/**
* The element we're working with
* @var jQueryCollection
*/
this.$elem = $(elem);
/**
* Remember the matrix we're applying to help the safeOuterLength func
*/
this.applyingMatrix = false;
this.matrix = null;
/**
* Remember the css height and width to save time
* This is only really used in IE
* @var Number
*/
this.height = null;
this.width = null;
this.outerHeight = null;
this.outerWidth = null;
/**
* We need to know the box-sizing in IE for building the outerHeight and outerWidth
* @var string
*/
this.boxSizingValue = null;
this.boxSizingProperty = null;
this.attr = null;
this.transformProperty = transformProperty;
this.transformOriginProperty = transformOriginProperty;
}
});
$.extend($.transform, {
/**
* @var Array list of all valid transform functions
*/
funcs: ['matrix', 'origin', 'reflect', 'reflectX', 'reflectXY', 'reflectY', 'rotate', 'scale', 'scaleX', 'scaleY', 'skew', 'skewX', 'skewY', 'translate', 'translateX', 'translateY']
});
/**
* Create Transform as a jQuery plugin
* @param Object funcs
* @param Object options
*/
$.fn.transform = function(funcs, options) {
return this.each(function() {
var t = this.transform || new $.transform(this);
if (funcs) {
t.exec(funcs, options);
}
});
};
$.transform.prototype = {
/**
* Applies all of the transformations
* @param Object funcs
* @param Object options
* forceMatrix - uses the matrix in all browsers
* preserve - tries to preserve the values from previous runs
*/
exec: function(funcs, options) {
// extend options
options = $.extend(true, {
forceMatrix: false,
preserve: false
}, options);
// preserve the funcs from the previous run
this.attr = null;
if (options.preserve) {
funcs = $.extend(true, this.getAttrs(true, true), funcs);
} else {
funcs = $.extend(true, {}, funcs); // copy the object to prevent weirdness
}
// Record the custom attributes on the element itself
this.setAttrs(funcs);
// apply the funcs
if ($.support.csstransforms && !options.forceMatrix) {
// CSS3 is supported
return this.execFuncs(funcs);
} else if ($.browser.msie || ($.support.csstransforms && options.forceMatrix)) {
// Internet Explorer or Forced matrix
return this.execMatrix(funcs);
}
return false;
},
/**
* Applies all of the transformations as functions
* @param Object funcs
*/
execFuncs: function(funcs) {
var values = [];
// construct a CSS string
for (var func in funcs) {
// handle origin separately
if (func == 'origin') {
this[func].apply(this, $.isArray(funcs[func]) ? funcs[func] : [funcs[func]]);
} else if ($.inArray(func, $.transform.funcs) !== -1) {
values.push(this.createTransformFunc(func, funcs[func]));
}
}
this.$elem.css(transformProperty, values.join(' '));
return true;
},
/**
* Applies all of the transformations as a matrix
* @param Object funcs
*/
execMatrix: function(funcs) {
var matrix,
tempMatrix,
args;
var elem = this.$elem[0],
_this = this;
function normalPixels(val, i) {
if (rperc.test(val)) {
// this really only applies to translation
return parseFloat(val) / 100 * _this['safeOuter' + (i ? 'Height' : 'Width')]();
}
return toPx(elem, val);
}
var rtranslate = /translate[X|Y]?/,
trans = [];
for (var func in funcs) {
switch ($.type(funcs[func])) {
case 'array': args = funcs[func]; break;
case 'string': args = $.map(funcs[func].split(','), $.trim); break;
default: args = [funcs[func]];
}
if ($.matrix[func]) {
if ($.cssAngle[func]) {
// normalize on degrees
args = $.map(args, $.angle.toDegree);
} else if (!$.cssNumber[func]) {
// normalize to pixels
args = $.map(args, normalPixels);
} else {
// strip units
args = $.map(args, stripUnits);
}
tempMatrix = $.matrix[func].apply(this, args);
if (rtranslate.test(func)) {
//defer translation
trans.push(tempMatrix);
} else {
matrix = matrix ? matrix.x(tempMatrix) : tempMatrix;
}
} else if (func == 'origin') {
this[func].apply(this, args);
}
}
// check that we have a matrix
matrix = matrix || $.matrix.identity();
// Apply translation
$.each(trans, function(i, val) { matrix = matrix.x(val); });
// pull out the relevant values
var a = parseFloat(matrix.e(1,1).toFixed(6)),
b = parseFloat(matrix.e(2,1).toFixed(6)),
c = parseFloat(matrix.e(1,2).toFixed(6)),
d = parseFloat(matrix.e(2,2).toFixed(6)),
tx = matrix.rows === 3 ? parseFloat(matrix.e(1,3).toFixed(6)) : 0,
ty = matrix.rows === 3 ? parseFloat(matrix.e(2,3).toFixed(6)) : 0;
//apply the transform to the element
if ($.support.csstransforms && vendorPrefix === '-moz-') {
// -moz-
this.$elem.css(transformProperty, 'matrix(' + a + ', ' + b + ', ' + c + ', ' + d + ', ' + tx + 'px, ' + ty + 'px)');
} else if ($.support.csstransforms) {
// -webkit, -o-, w3c
// NOTE: WebKit and Opera don't allow units on the translate variables
this.$elem.css(transformProperty, 'matrix(' + a + ', ' + b + ', ' + c + ', ' + d + ', ' + tx + ', ' + ty + ')');
} else if ($.browser.msie) {
// IE requires the special transform Filter
//TODO: Use Nearest Neighbor during animation FilterType=\'nearest neighbor\'
var filterType = ', FilterType=\'nearest neighbor\''; //bilinear
var style = this.$elem[0].style;
var matrixFilter = 'progid:DXImageTransform.Microsoft.Matrix(' +
'M11=' + a + ', M12=' + c + ', M21=' + b + ', M22=' + d +
', sizingMethod=\'auto expand\'' + filterType + ')';
var filter = style.filter || $.curCSS( this.$elem[0], "filter" ) || "";
style.filter = rmatrix.test(filter) ? filter.replace(rmatrix, matrixFilter) : filter ? filter + ' ' + matrixFilter : matrixFilter;
// Let's know that we're applying post matrix fixes and the height/width will be static for a bit
this.applyingMatrix = true;
this.matrix = matrix;
// IE can't set the origin or translate directly
this.fixPosition(matrix, tx, ty);
this.applyingMatrix = false;
this.matrix = null;
}
return true;
},
/**
* Sets the transform-origin
* This really needs to be percentages
* @param Number x length
* @param Number y length
*/
origin: function(x, y) {
// use CSS in supported browsers
if ($.support.csstransforms) {
if (typeof y === 'undefined') {
this.$elem.css(transformOriginProperty, x);
} else {
this.$elem.css(transformOriginProperty, x + ' ' + y);
}
return true;
}
// correct for keyword lengths
switch (x) {
case 'left': x = '0'; break;
case 'right': x = '100%'; break;
case 'center': // no break
case undefined: x = '50%';
}
switch (y) {
case 'top': y = '0'; break;
case 'bottom': y = '100%'; break;
case 'center': // no break
case undefined: y = '50%'; //TODO: does this work?
}
// store mixed values with units, assumed pixels
this.setAttr('origin', [
rperc.test(x) ? x : toPx(this.$elem[0], x) + 'px',
rperc.test(y) ? y : toPx(this.$elem[0], y) + 'px'
]);
//console.log(this.getAttr('origin'));
return true;
},
/**
* Create a function suitable for a CSS value
* @param string func
* @param Mixed value
*/
createTransformFunc: function(func, value) {
if (func.substr(0, 7) === 'reflect') {
// let's fake reflection, false value
// falsey sets an identity matrix
var m = value ? $.matrix[func]() : $.matrix.identity();
return 'matrix(' + m.e(1,1) + ', ' + m.e(2,1) + ', ' + m.e(1,2) + ', ' + m.e(2,2) + ', 0, 0)';
}
//value = _correctUnits(func, value);
if (func == 'matrix') {
if (vendorPrefix === '-moz-' && value[4]) {
value[4] = value[4] ? value[4] + 'px' : 0;
value[5] = value[5] ? value[5] + 'px' : 0;
}
}
return func + '(' + ($.isArray(value) ? value.join(', ') : value) + ')';
},
/**
* @param Matrix matrix
* @param Number tx
* @param Number ty
* @param Number height
* @param Number width
*/
fixPosition: function(matrix, tx, ty, height, width) {
// now we need to fix it!
var calc = new $.matrix.calc(matrix, this.safeOuterHeight(), this.safeOuterWidth()),
origin = this.getAttr('origin'); // mixed percentages and px
// translate a 0, 0 origin to the current origin
var offset = calc.originOffset(new $.matrix.V2(
rperc.test(origin[0]) ? parseFloat(origin[0])/100*calc.outerWidth : parseFloat(origin[0]),
rperc.test(origin[1]) ? parseFloat(origin[1])/100*calc.outerHeight : parseFloat(origin[1])
));
// IE glues the top-most and left-most pixels of the transformed object to top/left of the original object
//TODO: This seems wrong in the calculations
var sides = calc.sides();
// Protect against an item that is already positioned
var cssPosition = this.$elem.css('position');
if (cssPosition == 'static') {
cssPosition = 'relative';
}
//TODO: if the element is already positioned, we should attempt to respect it (somehow)
//NOTE: we could preserve our offset top and left in an attr on the elem
var pos = {top: 0, left: 0};
// Approximates transform-origin, tx, and ty
var css = {
'position': cssPosition,
'top': (offset.top + ty + sides.top + pos.top) + 'px',
'left': (offset.left + tx + sides.left + pos.left) + 'px',
'zoom': 1
};
this.$elem.css(css);
}
};
/**
* Ensure that values have the appropriate units on them
* @param string func
* @param Mixed value
*/
function toPx(elem, val) {
var parts = rfxnum.exec($.trim(val));
if (parts[3] && parts[3] !== 'px') {
var prop = 'paddingBottom',
orig = $.style( elem, prop );
$.style( elem, prop, val );
val = cur( elem, prop );
$.style( elem, prop, orig );
return val;
}
return parseFloat( val );
}
function cur(elem, prop) {
if ( elem[prop] != null && (!elem.style || elem.style[prop] == null) ) {
return elem[ prop ];
}
var r = parseFloat( $.css( elem, prop ) );
return r && r > -10000 ? r : 0;
}
})(jQuery, this, this.document);
///////////////////////////////////////////////////////
// Safe Outer Length
///////////////////////////////////////////////////////
(function($, window, document, undefined) {
$.extend($.transform.prototype, {
/**
* @param void
* @return Number
*/
safeOuterHeight: function() {
return this.safeOuterLength('height');
},
/**
* @param void
* @return Number
*/
safeOuterWidth: function() {
return this.safeOuterLength('width');
},
/**
* Returns reliable outer dimensions for an object that may have been transformed.
* Only use this if the matrix isn't handy
* @param String dim height or width
* @return Number
*/
safeOuterLength: function(dim) {
var funcName = 'outer' + (dim == 'width' ? 'Width' : 'Height');
if (!$.support.csstransforms && $.browser.msie) {
// make the variables more generic
dim = dim == 'width' ? 'width' : 'height';
// if we're transforming and have a matrix; we can shortcut.
// the true outerHeight is the transformed outerHeight divided by the ratio.
// the ratio is equal to the height of a 1px by 1px box that has been transformed by the same matrix.
if (this.applyingMatrix && !this[funcName] && this.matrix) {
// calculate and return the correct size
var calc = new $.matrix.calc(this.matrix, 1, 1),
ratio = calc.offset(),
length = this.$elem[funcName]() / ratio[dim];
this[funcName] = length;
return length;
} else if (this.applyingMatrix && this[funcName]) {
// return the cached calculation
return this[funcName];
}
// map dimensions to box sides
var side = {
height: ['top', 'bottom'],
width: ['left', 'right']
};
// setup some variables
var elem = this.$elem[0],
outerLen = parseFloat($.curCSS(elem, dim, true)), //TODO: this can be cached on animations that do not animate height/width
boxSizingProp = this.boxSizingProperty,
boxSizingValue = this.boxSizingValue;
// IE6 && IE7 will never have a box-sizing property, so fake it
if (!this.boxSizingProperty) {
boxSizingProp = this.boxSizingProperty = _findBoxSizingProperty() || 'box-sizing';
boxSizingValue = this.boxSizingValue = this.$elem.css(boxSizingProp) || 'content-box';
}
// return it immediately if we already know it
if (this[funcName] && this[dim] == outerLen) {
return this[funcName];
} else {
this[dim] = outerLen;
}
// add in the padding and border
if (boxSizingProp && (boxSizingValue == 'padding-box' || boxSizingValue == 'content-box')) {
outerLen += parseFloat($.curCSS(elem, 'padding-' + side[dim][0], true)) || 0 +
parseFloat($.curCSS(elem, 'padding-' + side[dim][1], true)) || 0;
}
if (boxSizingProp && boxSizingValue == 'content-box') {
outerLen += parseFloat($.curCSS(elem, 'border-' + side[dim][0] + '-width', true)) || 0 +
parseFloat($.curCSS(elem, 'border-' + side[dim][1] + '-width', true)) || 0;
}
// remember and return the outerHeight
this[funcName] = outerLen;
return outerLen;
}
return this.$elem[funcName]();
}
});
/**
* Determine the correct property for checking the box-sizing property
* @param void
* @return string
*/
var _boxSizingProperty = null;
function _findBoxSizingProperty () {
if (_boxSizingProperty) {
return _boxSizingProperty;
}
var property = {
boxSizing : 'box-sizing',
MozBoxSizing : '-moz-box-sizing',
WebkitBoxSizing : '-webkit-box-sizing',
OBoxSizing : '-o-box-sizing'
},
elem = document.body;
for (var p in property) {
if (typeof elem.style[p] != 'undefined') {
_boxSizingProperty = property[p];
return _boxSizingProperty;
}
}
return null;
}
})(jQuery, this, this.document);
///////////////////////////////////////////////////////
// Attr
///////////////////////////////////////////////////////
(function($, window, document, undefined) {
var rfuncvalue = /([\w\-]*?)\((.*?)\)/g, // with values
attr = 'data-transform',
rspace = /\s/,
rcspace = /,\s?/;
$.extend($.transform.prototype, {
/**
* This overrides all of the attributes
* @param Object funcs a list of transform functions to store on this element
* @return void
*/
setAttrs: function(funcs) {
var string = '',
value;
for (var func in funcs) {
value = funcs[func];
if ($.isArray(value)) {
value = value.join(', ');
}
string += ' ' + func + '(' + value + ')';
}
this.attr = $.trim(string);
this.$elem.attr(attr, this.attr);
},
/**
* This sets only a specific atribute
* @param string func name of a transform function
* @param mixed value with proper units
* @return void
*/
setAttr: function(func, value) {
// stringify the value
if ($.isArray(value)) {
value = value.join(', ');
}
// pull from a local variable to look it up
var transform = this.attr || this.$elem.attr(attr);
if (!transform || transform.indexOf(func) == -1) {
// we don't have any existing values, save it
// we don't have this function yet, save it
this.attr = $.trim(transform + ' ' + func + '(' + value + ')');
this.$elem.attr(attr, this.attr);
} else {
// replace the existing value
var funcs = [], parts;
// regex split
rfuncvalue.lastIndex = 0; // reset the regex pointer
while (parts = rfuncvalue.exec(transform)) {
if (func == parts[1]) {
funcs.push(func + '(' + value + ')');
} else {
funcs.push(parts[0]);
}
}
this.attr = funcs.join(' ');
this.$elem.attr(attr, this.attr);
}
},
/**
* @return Object
*/
getAttrs: function() {
var transform = this.attr || this.$elem.attr(attr);
if (!transform) {
// We don't have any existing values, return empty object
return {};
}
// replace the existing value
var attrs = {}, parts, value;
rfuncvalue.lastIndex = 0; // reset the regex pointer
while ((parts = rfuncvalue.exec(transform)) !== null) {
if (parts) {
value = parts[2].split(rcspace);
attrs[parts[1]] = value.length == 1 ? value[0] : value;
}
}
return attrs;
},
/**
* @param String func
* @return mixed
*/
getAttr: function(func) {
var attrs = this.getAttrs();
if (typeof attrs[func] !== 'undefined') {
return attrs[func];
}
//TODO: move the origin to a function
if (func === 'origin' && $.support.csstransforms) {
// supported browsers return percentages always
return this.$elem.css(this.transformOriginProperty).split(rspace);
} else if (func === 'origin') {
// just force IE to also return a percentage
return ['50%', '50%'];
}
return $.cssDefault[func] || 0;
}
});
// Define
if (typeof($.cssAngle) == 'undefined') {
$.cssAngle = {};
}
$.extend($.cssAngle, {
rotate: true,
skew: true,
skewX: true,
skewY: true
});
// Define default values
if (typeof($.cssDefault) == 'undefined') {
$.cssDefault = {};
}
$.extend($.cssDefault, {
scale: [1, 1],
scaleX: 1,
scaleY: 1,
matrix: [1, 0, 0, 1, 0, 0],
origin: ['50%', '50%'], // TODO: allow this to be a function, like get
reflect: [1, 0, 0, 1, 0, 0],
reflectX: [1, 0, 0, 1, 0, 0],
reflectXY: [1, 0, 0, 1, 0, 0],
reflectY: [1, 0, 0, 1, 0, 0]
});
// Define functons with multiple values
if (typeof($.cssMultipleValues) == 'undefined') {
$.cssMultipleValues = {};
}
$.extend($.cssMultipleValues, {
matrix: 6,
origin: {
length: 2,
duplicate: true
},
reflect: 6,
reflectX: 6,
reflectXY: 6,
reflectY: 6,
scale: {
length: 2,
duplicate: true
},
skew: 2,
translate: 2
});
// specify unitless funcs
$.extend($.cssNumber, {
matrix: true,
reflect: true,
reflectX: true,
reflectXY: true,
reflectY: true,
scale: true,
scaleX: true,
scaleY: true
});
// override all of the css functions
$.each($.transform.funcs, function(i, func) {
$.cssHooks[func] = {
set: function(elem, value) {
var transform = elem.transform || new $.transform(elem),
funcs = {};
funcs[func] = value;
transform.exec(funcs, {preserve: true});
},
get: function(elem, computed) {
var transform = elem.transform || new $.transform(elem);
return transform.getAttr(func);
}
};
});
// Support Reflection animation better by returning a matrix
$.each(['reflect', 'reflectX', 'reflectXY', 'reflectY'], function(i, func) {
$.cssHooks[func].get = function(elem, computed) {
var transform = elem.transform || new $.transform(elem);
return transform.getAttr('matrix') || $.cssDefault[func];
};
});
})(jQuery, this, this.document);
///////////////////////////////////////////////////////
// Animation
///////////////////////////////////////////////////////
(function($, window, document, undefined) {
/**
* @var Regex looks for units on a string
*/
var rfxnum = /^([+\-]=)?([\d+.\-]+)(.*)$/;
/**
* Doctors prop values in the event that they contain spaces
* @param Object prop
* @param String speed
* @param String easing
* @param Function callback
* @return bool
*/
var _animate = $.fn.animate;
$.fn.animate = function( prop, speed, easing, callback ) {
var optall = $.speed(speed, easing, callback);
// Capture multiple values
if (!$.isEmptyObject(prop)) {
if (typeof optall.original === 'undefined') {
optall.original = {};
}
$.each( prop, function( name, val ) {
if ($.cssMultipleValues[name]
|| $.cssAngle[name]
|| (!$.cssNumber[name] && $.inArray(name, $.transform.funcs) !== -1)) {
// force the original values onto the optall
optall.original[name] = val.toString();
// reduce to a unitless number
prop[name] = parseFloat(val);
}
} );
}
//NOTE: we edited prop above to trick animate
//NOTE: we pre-convert to an optall so we can doctor it
return _animate.apply(this, [arguments[0], optall]);
};
var prop = 'paddingBottom';
function cur(elem, prop) {
if ( elem[prop] != null && (!elem.style || elem.style[prop] == null) ) {
//return elem[ prop ];
}
var r = parseFloat( $.css( elem, prop ) );
return r && r > -10000 ? r : 0;
}
var _custom = $.fx.prototype.custom;
$.fx.prototype.custom = function(from, to, unit) {
var multiple = $.cssMultipleValues[this.prop],
angle = $.cssAngle[this.prop];
//TODO: simply check for the existence of CSS Hooks?
if (multiple || (!$.cssNumber[this.prop] && $.inArray(this.prop, $.transform.funcs) !== -1)) {
this.values = [];
if (!multiple) {
multiple = 1;
}
// Pull out the known values
var values = this.options.original[this.prop],
currentValues = $(this.elem).css(this.prop),
defaultValues = $.cssDefault[this.prop] || 0;
// make sure the current css value is an array
if (!$.isArray(currentValues)) {
currentValues = [currentValues];
}
// make sure the new values are an array
if (!$.isArray(values)) {
if ($.type(values) === 'string') {
values = values.split(',');
} else {
values = [values];
}
}
// make sure we have enough new values
var length = multiple.length || multiple, i = 0;
while (values.length < length) {
values.push(multiple.duplicate ? values[0] : defaultValues[i] || 0);
i++;
}
// calculate a start, end and unit for each new value
var start, parts, end, //unit,
fx = this,
transform = fx.elem.transform;
orig = $.style(fx.elem, prop);
$.each(values, function(i, val) {
// find a sensible start value
if (currentValues[i]) {
start = currentValues[i];
} else if (defaultValues[i] && !multiple.duplicate) {
start = defaultValues[i];
} else if (multiple.duplicate) {
start = currentValues[0];
} else {
start = 0;
}
// Force the correct unit on the start
if (angle) {
start = $.angle.toDegree(start);
} else if (!$.cssNumber[fx.prop]) {
parts = rfxnum.exec($.trim(start));
if (parts[3] && parts[3] !== 'px') {
if (parts[3] === '%') {
start = parseFloat( parts[2] ) / 100 * transform['safeOuter' + (i ? 'Height' : 'Width')]();
} else {
$.style( fx.elem, prop, start);
start = cur(fx.elem, prop);
$.style( fx.elem, prop, orig);
}
}
}
start = parseFloat(start);
// parse the value with a regex
parts = rfxnum.exec($.trim(val));
if (parts) {
// we found a sensible value and unit
end = parseFloat( parts[2] );
unit = parts[3] || "px"; //TODO: change to an appropriate default unit
if (angle) {
end = $.angle.toDegree(end + unit);
unit = 'deg';
} else if (!$.cssNumber[fx.prop] && unit === '%') {
start = (start / transform['safeOuter' + (i ? 'Height' : 'Width')]()) * 100;
} else if (!$.cssNumber[fx.prop] && unit !== 'px') {
$.style( fx.elem, prop, (end || 1) + unit);
start = ((end || 1) / cur(fx.elem, prop)) * start;
$.style( fx.elem, prop, orig);
}
// If a +=/-= token was provided, we're doing a relative animation
if (parts[1]) {
end = ((parts[1] === "-=" ? -1 : 1) * end) + start;
}
} else {
// I don't know when this would happen
end = val;
unit = '';
}
// Save the values
fx.values.push({
start: start,
end: end,
unit: unit
});
});
}
return _custom.apply(this, arguments);
};
/**
* Animates a multi value attribute
* @param Object fx
* @return null
*/
$.fx.multipleValueStep = {
_default: function(fx) {
$.each(fx.values, function(i, val) {
fx.values[i].now = val.start + ((val.end - val.start) * fx.pos);
});
}
};
$.each(['matrix', 'reflect', 'reflectX', 'reflectXY', 'reflectY'], function(i, func) {
$.fx.multipleValueStep[func] = function(fx) {
var d = fx.decomposed,
$m = $.matrix;
m = $m.identity();
d.now = {};
// increment each part of the decomposition and recompose it
$.each(d.start, function(k) {
// calculate the current value
d.now[k] = parseFloat(d.start[k]) + ((parseFloat(d.end[k]) - parseFloat(d.start[k])) * fx.pos);
// skip functions that won't affect the transform
switch (k) {
case 'scaleX': //no break
case 'scaleY':
if (d.now[k] === 1) {
return true;
}
break;
default:
if (d.now[k] === 0) {
return true;
}
}
// calculating
m = m.x($m[k](d.now[k]));
});
// save the correct matrix values for now
var val;
$.each(fx.values, function(i) {
switch (i) {
case 0: val = m.e(1, 1); break;
case 1: val = m.e(1, 2); break;
case 2: val = m.e(2, 1); break;
case 3: val = m.e(2, 2); break;
case 4: val = m.e(3, 1); break;
case 5: val = m.e(3, 2); break;
}
fx.values[i].now = val;
});
};
});
/**
* Step for animating tranformations
*/
$.each($.transform.funcs, function(i, func) {
$.fx.step[func] = function(fx) {
var transform = fx.elem.transform || new $.transform(fx.elem),
funcs = {};
if ($.cssMultipleValues[func] || (!$.cssNumber[func] && $.inArray(func, $.transform.funcs) !== -1)) {
($.fx.multipleValueStep[fx.prop] || $.fx.multipleValueStep._default)(fx);
funcs[fx.prop] = [];
$.each(fx.values, function(i, val) {
funcs[fx.prop].push(val.now + ($.cssNumber[fx.prop] ? '' : val.unit));
});
} else {
funcs[fx.prop] = fx.now + ($.cssNumber[fx.prop] ? '' : fx.unit);