jquery-ui/ui/effects.drop.js
2008-06-07 17:37:43 +00:00

52 lines
1.6 KiB
JavaScript

/*
* jQuery UI Effects Drop
*
* 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/Drop
*
* Depends:
* effects.core.js
*
*/
(function($) {
$.effects.drop = function(o) {
return this.queue(function() {
// Create element
var el = $(this), props = ['position','top','left','opacity'];
// Set options
var mode = $.effects.setMode(el, o.options.mode || 'hide'); // Set Mode
var direction = o.options.direction || 'left'; // Default Direction
// Adjust
$.effects.save(el, props); el.show(); // Save & Show
$.effects.createWrapper(el); // Create Wrapper
var ref = (direction == 'up' || direction == 'down') ? 'top' : 'left';
var motion = (direction == 'up' || direction == 'left') ? 'pos' : 'neg';
var distance = o.options.distance || (ref == 'top' ? el.outerHeight({margin:true}) / 2 : el.outerWidth({margin:true}) / 2);
if (mode == 'show') el.css('opacity', 0).css(ref, motion == 'pos' ? -distance : distance); // Shift
// Animation
var animation = {opacity: mode == 'show' ? 1 : 0};
animation[ref] = (mode == 'show' ? (motion == 'pos' ? '+=' : '-=') : (motion == 'pos' ? '-=' : '+=')) + distance;
// Animate
el.animate(animation, { queue: false, duration: o.duration, easing: o.options.easing, complete: function() {
if(mode == 'hide') el.hide(); // Hide
$.effects.restore(el, props); $.effects.removeWrapper(el); // Restore
if(o.callback) o.callback.apply(this, arguments); // Callback
el.dequeue();
}});
});
};
})(jQuery);