(function() {
Roo.lib.ColorAnim = function(el, attributes, duration, method) {
Roo.lib.ColorAnim.superclass.constructor.call(this, el, attributes, duration, method);
};
Roo.extend(Roo.lib.ColorAnim, Roo.lib.AnimBase);
var fly = Roo.lib.AnimBase.fly;
var Y = Roo.lib;
var superclass = Y.ColorAnim.superclass;
var proto = Y.ColorAnim.prototype;
proto.toString = function() {
var el = this.getEl();
var id = el.id || el.tagName;
return ("ColorAnim " + id);
};
proto.patterns.color = /color$/i;
proto.patterns.rgb = /^rgb\(([0-9]+)\s*,\s*([0-9]+)\s*,\s*([0-9]+)\)$/i;
proto.patterns.hex = /^#?([0-9A-F]{2})([0-9A-F]{2})([0-9A-F]{2})$/i;
proto.patterns.hex3 = /^#?([0-9A-F]{1})([0-9A-F]{1})([0-9A-F]{1})$/i;
proto.patterns.transparent = /^transparent|rgba\(0, 0, 0, 0\)$/;
proto.parseColor = function(s) {
if (s.length == 3) {
return s;
}
var c = this.patterns.hex.exec(s);
if (c && c.length == 4) {
return [ parseInt(c[1], 16), parseInt(c[2], 16), parseInt(c[3], 16) ];
}
c = this.patterns.rgb.exec(s);
if (c && c.length == 4) {
return [ parseInt(c[1], 10), parseInt(c[2], 10), parseInt(c[3], 10) ];
}
c = this.patterns.hex3.exec(s);
if (c && c.length == 4) {
return [ parseInt(c[1] + c[1], 16), parseInt(c[2] + c[2], 16), parseInt(c[3] + c[3], 16) ];
}
return null;
};
proto.getAttribute = function(attr) {
var el = this.getEl();
if (this.patterns.color.test(attr)) {
var val = fly(el).getStyle(attr);
if (this.patterns.transparent.test(val)) {
var parent = el.parentNode;
val = fly(parent).getStyle(attr);
while (parent && this.patterns.transparent.test(val)) {
parent = parent.parentNode;
val = fly(parent).getStyle(attr);
if (parent.tagName.toUpperCase() == 'HTML') {
val = '#fff';
}
}
}
} else {
val = superclass.getAttribute.call(this, attr);
}
return val;
};
proto.getAttribute = function(attr) {
var el = this.getEl();
if (this.patterns.color.test(attr)) {
var val = fly(el).getStyle(attr);
if (this.patterns.transparent.test(val)) {
var parent = el.parentNode;
val = fly(parent).getStyle(attr);
while (parent && this.patterns.transparent.test(val)) {
parent = parent.parentNode;
val = fly(parent).getStyle(attr);
if (parent.tagName.toUpperCase() == 'HTML') {
val = '#fff';
}
}
}
} else {
val = superclass.getAttribute.call(this, attr);
}
return val;
};
proto.doMethod = function(attr, start, end) {
var val;
if (this.patterns.color.test(attr)) {
val = [];
for (var i = 0, len = start.length; i < len; ++i) {
val[i] = superclass.doMethod.call(this, attr, start[i], end[i]);
}
val = 'rgb(' + Math.floor(val[0]) + ',' + Math.floor(val[1]) + ',' + Math.floor(val[2]) + ')';
}
else {
val = superclass.doMethod.call(this, attr, start, end);
}
return val;
};
proto.setRuntimeAttribute = function(attr) {
superclass.setRuntimeAttribute.call(this, attr);
if (this.patterns.color.test(attr)) {
var attributes = this.attributes;
var start = this.parseColor(this.runtimeAttributes[attr].start);
var end = this.parseColor(this.runtimeAttributes[attr].end);
if (typeof attributes[attr]['to'] === 'undefined' && typeof attributes[attr]['by'] !== 'undefined') {
end = this.parseColor(attributes[attr].by);
for (var i = 0, len = start.length; i < len; ++i) {
end[i] = start[i] + end[i];
}
}
this.runtimeAttributes[attr].start = start;
this.runtimeAttributes[attr].end = end;
}
};
})();