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vendor/bower/jquery-ui/ui/effect-explode.js 2.52 KB
b507d689   andryeyev   Итерация 1 (Терми...
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  /*!
   * jQuery UI Effects Explode 1.11.4
   * http://jqueryui.com
   *
   * Copyright jQuery Foundation and other contributors
   * Released under the MIT license.
   * http://jquery.org/license
   *
   * http://api.jqueryui.com/explode-effect/
   */
  (function( factory ) {
  	if ( typeof define === "function" && define.amd ) {
  
  		// AMD. Register as an anonymous module.
  		define([
  			"jquery",
  			"./effect"
  		], factory );
  	} else {
  
  		// Browser globals
  		factory( jQuery );
  	}
  }(function( $ ) {
  
  return $.effects.effect.explode = function( o, done ) {
  
  	var rows = o.pieces ? Math.round( Math.sqrt( o.pieces ) ) : 3,
  		cells = rows,
  		el = $( this ),
  		mode = $.effects.setMode( el, o.mode || "hide" ),
  		show = mode === "show",
  
  		// show and then visibility:hidden the element before calculating offset
  		offset = el.show().css( "visibility", "hidden" ).offset(),
  
  		// width and height of a piece
  		width = Math.ceil( el.outerWidth() / cells ),
  		height = Math.ceil( el.outerHeight() / rows ),
  		pieces = [],
  
  		// loop
  		i, j, left, top, mx, my;
  
  	// children animate complete:
  	function childComplete() {
  		pieces.push( this );
  		if ( pieces.length === rows * cells ) {
  			animComplete();
  		}
  	}
  
  	// clone the element for each row and cell.
  	for ( i = 0; i < rows ; i++ ) { // ===>
  		top = offset.top + i * height;
  		my = i - ( rows - 1 ) / 2 ;
  
  		for ( j = 0; j < cells ; j++ ) { // |||
  			left = offset.left + j * width;
  			mx = j - ( cells - 1 ) / 2 ;
  
  			// Create a clone of the now hidden main element that will be absolute positioned
  			// within a wrapper div off the -left and -top equal to size of our pieces
  			el
  				.clone()
  				.appendTo( "body" )
  				.wrap( "<div></div>" )
  				.css({
  					position: "absolute",
  					visibility: "visible",
  					left: -j * width,
  					top: -i * height
  				})
  
  			// select the wrapper - make it overflow: hidden and absolute positioned based on
  			// where the original was located +left and +top equal to the size of pieces
  				.parent()
  				.addClass( "ui-effects-explode" )
  				.css({
  					position: "absolute",
  					overflow: "hidden",
  					width: width,
  					height: height,
  					left: left + ( show ? mx * width : 0 ),
  					top: top + ( show ? my * height : 0 ),
  					opacity: show ? 0 : 1
  				}).animate({
  					left: left + ( show ? 0 : mx * width ),
  					top: top + ( show ? 0 : my * height ),
  					opacity: show ? 1 : 0
  				}, o.duration || 500, o.easing, childComplete );
  		}
  	}
  
  	function animComplete() {
  		el.css({
  			visibility: "visible"
  		});
  		$( pieces ).remove();
  		if ( !show ) {
  			el.hide();
  		}
  		done();
  	}
  };
  
  }));