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