/*
 * jQuery UI Effects Scale
 *
 * Copyright (c) 2008 Aaron Eisenberger (aaronchi@gmail.com)
 * Dual licensed under the MIT (MIT-LICENSE.txt)
 * and GPL (GPL-LICENSE.txt) licenses.
 * 
 * http://docs.jquery.com/UI/Effects/Scale
 *
 * Depends:
 *	effects.core.js
 */
(function($) {
$.effects.puff = function(o) {
return this.queue(function() {
// Create element
var el = $(this);
// Set options
var options = $.extend(true, {}, o.options);
var mode = $.effects.setMode(el, o.options.mode || 'hide'); // Set Mode
var percent = parseInt(o.options.percent) || 150; // Set default puff percent
options.fade = true; // It's not a puff if it doesn't fade! :)
var original = {height: el.height(), width: el.width()}; // Save original
// Adjust
var factor = percent / 100;
el.from = (mode == 'hide') ? original : {height: original.height * factor, width: original.width * factor};
// Animation
options.from = el.from;
options.percent = (mode == 'hide') ? percent : 100;
options.mode = mode;
// Animate
el.effect('scale', options, o.duration, o.callback);
el.dequeue();
});
};
$.effects.scale = function(o) {
return this.queue(function() {
// Create element
var el = $(this);
// Set options
var options = $.extend(true, {}, o.options);
var mode = $.effects.setMode(el, o.options.mode || 'effect'); // Set Mode
var percent = parseInt(o.options.percent) || (parseInt(o.options.percent) == 0 ? 0 : (mode == 'hide' ? 0 : 100)); // Set default scaling percent
var direction = o.options.direction || 'both'; // Set default axis
var origin = o.options.origin; // The origin of the scaling
if (mode != 'effect') { // Set default origin and restore for show/hide
options.origin = origin || ['middle','center'];
options.restore = true;
}
var original = {height: el.height(), width: el.width()}; // Save original
el.from = o.options.from || (mode == 'show' ? {height: 0, width: 0} : original); // Default from state
// Adjust
var factor = { // Set scaling factor
y: direction != 'horizontal' ? (percent / 100) : 1,
x: direction != 'vertical' ? (percent / 100) : 1
};
el.to = {height: original.height * factor.y, width: original.width * factor.x}; // Set to state
if (o.options.fade) { // Fade option to support puff
if (mode == 'show') {el.from.opacity = 0; el.to.opacity = 1;};
if (mode == 'hide') {el.from.opacity = 1; el.to.opacity = 0;};
};
// Animation
options.from = el.from; options.to = el.to; options.mode = mode;
// Animate
el.effect('size', options, o.duration, o.callback);
el.dequeue();
});
};
$.effects.size = function(o) {
return this.queue(function() {
// Create element
var el = $(this), props = ['position','top','left','width','height','overflow','opacity'];
var props1 = ['position','top','left','overflow','opacity']; // Always restore
var props2 = ['width','height','overflow']; // Copy for children
var cProps = ['fontSize'];
var vProps = ['borderTopWidth', 'borderBottomWidth', 'paddingTop', 'paddingBottom'];
var hProps = ['borderLeftWidth', 'borderRightWidth', 'paddingLeft', 'paddingRight'];
// Set options
var mode = $.effects.setMode(el, o.options.mode || 'effect'); // Set Mode
var restore = o.options.restore || false; // Default restore
var scale = o.options.scale || 'both'; // Default scale mode
var origin = o.options.origin; // The origin of the sizing
var original = {height: el.height(), width: el.width()}; // Save original
el.from = o.options.from || original; // Default from state
el.to = o.options.to || original; // Default to state
// Adjust
if (origin) { // Calculate baseline shifts
var baseline = $.effects.getBaseline(origin, original);
el.from.top = (original.height - el.from.height) * baseline.y;
el.from.left = (original.width - el.from.width) * baseline.x;
el.to.top = (original.height - el.to.height) * baseline.y;
el.to.left = (original.width - el.to.width) * baseline.x;
};
var factor = { // Set scaling factor
from: {y: el.from.height / original.height, x: el.from.width / original.width},
to: {y: el.to.height / original.height, x: el.to.width / original.width}
};
if (scale == 'box' || scale == 'both') { // Scale the css box
if (factor.from.y != factor.to.y) { // Vertical props scaling
props = props.concat(vProps);
el.from = $.effects.setTransition(el, vProps, factor.from.y, el.from);
el.to = $.effects.setTransition(el, vProps, factor.to.y, el.to);
};
if (factor.from.x != factor.to.x) { // Horizontal props scaling
props = props.concat(hProps);
el.from = $.effects.setTransition(el, hProps, factor.from.x, el.from);
el.to = $.effects.setTransition(el, hProps, factor.to.x, el.to);
};
};
if (scale == 'content' || scale == 'both') { // Scale the content
if (factor.from.y != factor.to.y) { // Vertical props scaling
props = props.concat(cProps);
el.from = $.effects.setTransition(el, cProps, factor.from.y, el.from);
el.to = $.effects.setTransition(el, cProps, factor.to.y, el.to);
};
};
$.effects.save(el, restore ? props : props1); el.show(); // Save & Show
$.effects.createWrapper(el); // Create Wrapper
el.css('overflow','hidden').css(el.from); // Shift
// Animate
if (scale == 'content' || scale == 'both') { // Scale the children
vProps = vProps.concat(['marginTop','marginBottom']).concat(cProps); // Add margins/font-size
hProps = hProps.concat(['marginLeft','marginRight']); // Add margins
props2 = props.concat(vProps).concat(hProps); // Concat
el.find("*[width]").each(function(){
child = $(this);
if (restore) $.effects.save(child, props2);
var c_original = {height: child.height(), width: child.width()}; // Save original
child.from = {height: c_original.height * factor.from.y, width: c_original.width * factor.from.x};
child.to = {height: c_original.height * factor.to.y, width: c_original.width * factor.to.x};
if (factor.from.y != factor.to.y) { // Vertical props scaling
child.from = $.effects.setTransition(child, vProps, factor.from.y, child.from);
child.to = $.effects.setTransition(child, vProps, factor.to.y, child.to);
};
if (factor.from.x != factor.to.x) { // Horizontal props scaling
child.from = $.effects.setTransition(child, hProps, factor.from.x, child.from);
child.to = $.effects.setTransition(child, hProps, factor.to.x, child.to);
};
child.css(child.from); // Shift children
child.animate(child.to, o.duration, o.options.easing, function(){
if (restore) $.effects.restore(child, props2); // Restore children
}); // Animate children
});
};
// Animate
el.animate(el.to, { queue: false, duration: o.duration, easing: o.options.easing, complete: function() {
if(mode == 'hide') el.hide(); // Hide
$.effects.restore(el, restore ? props : props1); $.effects.removeWrapper(el); // Restore
if(o.callback) o.callback.apply(this, arguments); // Callback
el.dequeue();
}}); 
});
};
})(jQuery);