PretendYoureXyzzy/WebContent/js/QTransform.js

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/*
* based off of Louis-Rémi Babé rotate plugin (https://github.com/lrbabe/jquery.rotate.js)
*
* cssTransforms: jQuery cssHooks adding a cross browser, animatible transforms
*
* Author Bobby Schultz
*/
//
(function($) {
var div = document.createElement('div'), divStyle = div.style;
// give props to those who dont have them
$.cssProps.transform = divStyle.MozTransform === '' ? 'MozTransform'
: (divStyle.msTransform === '' ? 'msTransform'
: (divStyle.WebkitTransform === '' ? 'WebkitTransform'
: (divStyle.OTransform === '' ? 'OTransform'
: (divStyle.Transform === '' ? 'Transform' : false))));
$.cssProps.transformOrigin = divStyle.MozTransformOrigin === '' ? 'MozTransformOrigin'
: (divStyle.msTransformOrigin === '' ? 'msTransformOrigin'
: (divStyle.WebkitTransformOrigin === '' ? 'WebkitTransformOrigin'
: (divStyle.OTransformOrigin === '' ? 'OTransformOrigin'
: (divStyle.TransformOrigin === '' ? 'TransformOrigin' : false))));
// define supported or not
$.support.transform = $.cssProps.transform !== false || divStyle.filter === '' ? true : false;
$.support.transformOrigin = $.cssProps.transformOrigin !== false ? true : false;
// if ONLY IE matrixes are supported (IE9 beta6 will use css3)
$.support.matrixFilter = (divStyle.filter === '' && $.cssProps.transform === false) ? true
: false;
div = null;
// stop if no form of transforms are supported
if ($.support.transform === false) {
return;
}
// opt out of letting jquery handle the units for custom setters/getters
$.cssNumber.skew = $.cssNumber.skewX = $.cssNumber.skewY = $.cssNumber.scale = $.cssNumber.scaleX = $.cssNumber.scaleY = $.cssNumber.rotate = $.cssNumber.matrix = true;
$.cssNumber.transformOrigin = $.cssNumber.transformOriginX = $.cssNumber.transformOriginY = true;
if ($.support.matrixFilter) {
$.cssNumber.transformOrigin = $.cssNumber.transformOriginX = $.cssNumber.transformOriginY = true;
$.cssProps.transformOrigin = 'matrixFilter';
}
$.cssHooks.transform = {
set : function(elem, val, unit) {
if ($.support.matrixFilter) {
elem.style.filter = [ val ].join('');
} else {
elem.style[$.cssProps.transform] = val + '%';
}
},
get : function(elem, computed) {
if ($.support.matrixFilter) {
return elem.style.filter;
} else {
return elem.style[$.cssProps.transform];
}
}
};
$.cssHooks.transformOrigin = {
set : function(elem, val, unit) {
if (!$.support.matrixFilter) {
val = (typeof val === 'string') ? val : val + (unit || '%');
elem.style[$.cssProps.transformOrigin] = val;
} else {
val = val.split(",");
$.cssHooks.transformOriginX.set(elem, val[0]);
if (val.length > 1) {
$.cssHooks.transformOriginY.set(elem, val[1]);
}
}
},
get : function(elem, computed) {
if (!$.support.matrixFilter) {
return elem.style[$.cssProps.transformOrigin];
} else {
var originX = $.data(elem, 'transformOriginX');
var originY = $.data(elem, 'transformOriginY');
return originX && originY && originX === originY ? originX : '50%';
}
}
};
$.fx.step.transformOrigin = function(fx) {
$.cssHooks.transformOrigin.set(fx.elem, fx.now, fx.unit);
};
$.cssHooks.transformOriginX = {
set : function(elem, val, unit) {
if (!$.support.matrixFilter) {
val = (typeof val === 'string') ? val : val + (unit || '%');
elem.style[$.cssProps.transformOrigin + 'X'] = val;
} else {
$.data(elem, 'transformOriginX', unit ? val + unit : val);
setIEMatrix(elem);
}
},
get : function(elem, computed) {
if (!$.support.matrixFilter) {
return elem.style[$.cssProps.transformOrigin + 'X'];
} else {
var originX = $.data(elem, 'transformOriginX');
switch (originX) {
case 'left':
return '0%';
case 'center':
return '50%';
case 'right':
return '100%';
}
return originX ? originX : '50%';
}
}
};
$.fx.step.transformOriginX = function(fx) {
$.cssHooks.transformOriginX.set(fx.elem, fx.now, fx.unit);
};
$.cssHooks.transformOriginY = {
set : function(elem, val, unit) {
if (!$.support.matrixFilter) {
val = (typeof val === 'string') ? val : val + (unit || '%');
elem.style[$.cssProps.transformOrigin + 'Y'] = val;
} else {
$.data(elem, 'transformOriginY', unit ? val + unit : val);
setIEMatrix(elem);
}
},
get : function(elem, computed) {
if (!$.support.matrixFilter) {
return elem.style[$.cssProps.transformOrigin + 'Y'];
} else {
var originY = $.data(elem, 'transformOriginY');
switch (originY) {
case 'top':
return '0%';
case 'center':
return '50%';
case 'bottom':
return '100%';
}
return originY ? originY : '50%';
}
}
};
$.fx.step.transformOriginY = function(fx) {
$.cssHooks.transformOriginY.set(fx.elem, fx.now, fx.unit);
};
// create hooks for css transforms
var rtn = function(v) {
return v;
};
var xy = [ [ 'X', 'Y' ], 'X', 'Y' ];
var abcdxy = [ [ 'A', 'B', 'C', 'D', 'X', 'Y' ], 'A', 'B', 'C', 'D', 'X', 'Y' ];
var props = [
{
prop : 'rotate',
matrix : [ function(v) {
return Math.cos(v);
}, function(v) {
return -Math.sin(v);
}, function(v) {
return Math.sin(v);
}, function(v) {
return Math.cos(v);
} ],
unit : 'rad',
subProps : [ '' ],
fnc : toRadian
},
{
prop : 'scale',
matrix : [ [ rtn, 0, 0, rtn ], [ rtn, 0, 0, 1 ], [ 1, 0, 0, rtn ] ],
unit : '',
subProps : xy,
fnc : parseFloat,
_default : 1
},
{
prop : 'skew',
matrix : [ [ 1, rtn, rtn, 1 ], [ 1, rtn, 0, 1 ], [ 1, 0, rtn, 1 ] ],
unit : 'rad',
subProps : xy,
fnc : toRadian
},
{
prop : 'translate',
matrix : [ [ 1, 0, 0, 1, rtn, rtn ], [ 1, 0, 0, 1, rtn, 0 ], [ 1, 0, 0, 1, 0, rtn ] ],
standardUnit : 'px',
subProps : xy,
fnc : parseFloat
},
{
prop : 'matrix',
matrix : [ [ rtn, rtn, rtn, rtn, rtn, rtn ], [ rtn, 0, 0, 1, 0, 0 ],
[ 1, rtn, 0, 1, 0, 0 ], [ 1, 0, rtn, 1, 0, 0 ], [ 1, 0, 0, rtn, 0, 0 ],
[ 1, 0, 0, 1, 0, rtn ] ],
subProps : abcdxy,
fnc : parseFloat
} ];
jQuery.each(props, function(n, prop) {
jQuery.each(prop.subProps, function(num, sub) {
var _cssProp, _prop = prop;
if ($.isArray(sub)) {
// composite transform
_cssProp = _prop.prop;
var _sub = sub;
$.cssHooks[_cssProp] = {
set : function(elem, val, unit) {
jQuery.each(_sub, function(num, x) {
$.cssHooks[_cssProp + x].set(elem, val, unit);
});
},
get : function(elem, computed) {
var val = [];
jQuery.each(_sub, function(num, x) {
val.push($.cssHooks[_cssProp + x].get(elem, val));
});
// hack until jQuery supports animating multiple properties
return val[0] || val[1];
}
};
} else {
// independent transfrom
_cssProp = _prop.prop + sub;
$.cssHooks[_cssProp] = {
set : function(elem, val, unit) {
$.data(elem, _cssProp, unit ? val + unit : val);
setCSSTransform(elem, _prop.fnc(unit ? val + unit : val), _cssProp, _prop.unit || unit
|| _prop.standardUnit);
},
get : function(elem, computed) {
var p = $.data(elem, _cssProp);
// console.log(_cssProp+'get:'+p);
return p && p !== undefined ? p : _prop._default || 0;
}
};
}
$.fx.step[_cssProp] = function(fx) {
fx.unit = fx.unit === 'px' && $.cssNumber[_cssProp] ? _prop.standardUnit : fx.unit;
var unit = ($.cssNumber[_cssProp] ? '' : fx.unit);
$.cssHooks[_cssProp].set(fx.elem, fx.now, fx.unit);
};
});
});
function setCSSTransform(elem, val, prop, unit) {
if ($.support.matrixFilter) {
return setIEMatrix(elem, val);
}
// parse css string
var allProps = parseCSSTransform(elem);
// check for value to be set
var a = /[X|Y]/.exec(prop);
a = (a === null ? '' : a[0] ? a[0] : a);
prop = /.*[^XY]/.exec(prop)[0];
unit = unit === undefined ? '' : unit;
// create return string
var result = '';
var wasUpdated = false;
var arr;
if (allProps !== null) {
for ( var item in allProps) {
arr = allProps[item];
if (prop === item) {
// update parsed data with new value
if (prop !== 'matrix') {
result += prop + '(';
result += a === 'X' || a === '' ? val + unit : (arr[0] !== '' ? arr[0]
: $.cssHooks[prop + 'X'].get(elem) + unit);
result += a === 'Y' ? ', ' + val + unit : (arr[1] !== '' ? ', ' + arr[1]
: (prop + 'Y' in $.cssHooks ? ', ' + $.cssHooks[prop + 'Y'].get(elem) + unit : ''));
result += ') ';
} else {
result += val + ' ';
}
wasUpdated = true;
} else {
// dump parsed data to string
result += item + '(';
for ( var i = 0; i < arr.length; i++) {
result += arr[i];
if (i < arr.length - 1 && arr[i + 1] !== '') {
result += ', ';
} else {
break;
}
}
result += ') ';
}
}
}
// if prop was not found to be updated, then dump data
if (!wasUpdated) {
result += prop + a + '(' + val + unit + ') ';
}
// set all transform properties
elem.style[$.cssProps.transform] = result;
}
function parseCSSTransform(elem) {
var props, prop, name, transform;
// break up into single transform calls
$(elem.style[$.cssProps.transform].replace(/(?:\,\s|\)|\()/g, "|").split(" "))
// read each data point for the transform call
.each(function(i, item) {
if (item !== '') {
if (props === undefined) {
props = {};
}
prop = item.split("|");
name = prop.shift();
transform = /.*[^XY]/.exec(name)[0];
if (!props[transform]) {
props[transform] = [ '', '', '', '', '', '' ];
}
if (!/Y/.test(name)) {
props[transform][0] = prop[0];
}
if (!/X/.test(name)) {
props[transform][1] = prop[1];
}
if (prop.length == 6) {
props[transform][2] = prop[2];
props[transform][3] = prop[3];
props[transform][4] = prop[4];
props[transform][5] = prop[5];
}
}
});
return props !== undefined ? props : null;
}
function ieOrigin(o, n, percent) {
return percent * (o - n);
}
function toRadian(value) {
if (typeof value === 'number') {
return parseFloat(value);
}
if (value.indexOf("deg") != -1) {
return parseInt(value, 10) * (Math.PI * 2 / 360);
} else if (value.indexOf("grad") != -1) {
return parseInt(value, 10) * (Math.PI / 200);
}
}
$.rotate = {
radToDeg : function radToDeg(rad) {
return rad * 180 / Math.PI;
}
};
// special case for IE matrix
function setIEMatrix(elem, mat) {
var inverse, current, ang, org, originX, originY, runTransform = $.cssProps.transformOrigin === 'matrixFilter' ? true
: false;
current = [ $.cssHooks.scaleX.get(elem), toRadian($.cssHooks.skewY.get(elem)),
toRadian($.cssHooks.skewX.get(elem)), $.cssHooks.scaleY.get(elem),
$.cssHooks.translateX.get(elem), $.cssHooks.translateY.get(elem) ];
// start by multiply inverse of transform origin by matrix
if (runTransform) {
elem.style.filter = [ "progid:DXImageTransform.Microsoft.Matrix"
+ "(M11=1,M12=0,M21=0,M22=1,SizingMethod='auto expand')" ].join('');
var Wp = $.cssHooks.transformOriginX.get(elem);
var Hp = $.cssHooks.transformOriginY.get(elem);
Wp = Wp.indexOf('%') > 0 ? (/[\d]*/.exec(Wp) / 100) : Wp;
Hp = Hp.indexOf('%') > 0 ? (/[\d]*/.exec(Hp) / 100) : Hp;
var Wb = elem.offsetWidth;
var Hb = elem.offsetHeight;
}
// multiply old matrix to new matrix
if (typeof mat !== 'array' || mat.length !== 6) {
mat = current;
} else {
mat = [ ((current[0] * mat[0]) + (current[1] * mat[2])),
((current[0] * mat[1]) + (current[1] * mat[3])),
((current[2] * mat[0]) + (current[3] * mat[2])),
((current[2] * mat[1]) + (current[3] * mat[3])), mat[4], mat[5] ];
}
// multiply the transform and rotation matrixes
ang = $.data(elem, 'rotate');
if (ang) {
ang = toRadian(ang);
var cos = Math.cos(ang);
var sin = Math.sin(ang);
ang = [ cos, -sin, sin, cos ];
mat = [ ((mat[0] * ang[0]) + (mat[1] * ang[2])), ((mat[0] * ang[1]) + (mat[1] * ang[3])),
((mat[2] * ang[0]) + (mat[3] * ang[2])), ((mat[2] * ang[1]) + (mat[3] * ang[3])), mat[4],
mat[5] ];
}
// apply the matrix as a IE filter
elem.style.filter = [ "progid:DXImageTransform.Microsoft.Matrix(", "M11=" + mat[0] + ", ",
"M12=" + mat[1] + ", ", "M21=" + mat[2] + ", ", "M22=" + mat[3] + ", ",
"SizingMethod='auto expand'", ")" ].join('');
if (runTransform) {
var Wo = elem.offsetWidth;
var Ho = elem.offsetHeight;
elem.style.position = 'relative';
elem.style.left = Wp * (Wb - Wo) + (parseInt(mat[4]) || 0);
elem.style.top = Hp * (Hb - Ho) + (parseInt(mat[5]) || 0);
}
// $('#console').append('<div>
// trans:'+Wp+":"+Wb+":"+Wo+":"+mat[4]+":"+elem.style.left+'</div>');
}
})(jQuery);