anim-color.js revision 76ca635d61eb3f9fb7c9d788a44fa8b1690aa138
YUI.add('anim-color', function(Y) {
/**
* Adds support for color properties in <code>to</code>
* and <code>from</code> attributes.
* @module anim
* @submodule anim-color
*/
var NUM = Number;
Y.Anim.behaviors.color = {
set: function(anim, att, from, to, elapsed, duration, fn) {
from = Y.Color.re_RGB.exec(Y.Color.toRGB(from));
to = Y.Color.re_RGB.exec(Y.Color.toRGB(to));
if (!from || from.length < 3 || !to || to.length < 3) {
Y.error('invalid from or to passed to color behavior');
}
anim._node.setStyle(att, 'rgb(' + [
Math.floor(fn(elapsed, NUM(from[1]), NUM(to[1]) - NUM(from[1]), duration)),
Math.floor(fn(elapsed, NUM(from[2]), NUM(to[2]) - NUM(from[2]), duration)),
Math.floor(fn(elapsed, NUM(from[3]), NUM(to[3]) - NUM(from[3]), duration))
].join(', ') + ')');
},
// TODO: default bgcolor const
get: function(anim, att) {
var val = anim._node.getComputedStyle(att);
val = (val === 'transparent') ? 'rgb(255, 255, 255)' : val;
return val;
}
};
Y.each(['backgroundColor',
'borderColor',
'borderTopColor',
'borderRightColor',
'borderBottomColor',
'borderLeftColor'],
function(v, i) {
Y.Anim.behaviors[v] = Y.Anim.behaviors.color;
}
);
}, '@VERSION@' ,{requires:['anim-base']});