mirror of
https://github.com/jquery/jquery.git
synced 2024-10-05 11:34:18 +00:00
720 lines
18 KiB
JavaScript
720 lines
18 KiB
JavaScript
var fxNow, timerId,
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rfxtypes = /^(?:toggle|show|hide)$/,
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rfxnum = new RegExp( "^(?:([+-])=|)(" + core_pnum + ")([a-z%]*)$", "i" ),
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rrun = /queueHooks$/,
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animationPrefilters = [ defaultPrefilter ],
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tweeners = {
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"*": [function( prop, value ) {
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var end, unit,
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tween = this.createTween( prop, value ),
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parts = rfxnum.exec( value ),
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target = tween.cur(),
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start = +target || 0,
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scale = 1,
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maxIterations = 20;
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if ( parts ) {
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end = +parts[2];
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unit = parts[3] || ( jQuery.cssNumber[ prop ] ? "" : "px" );
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// We need to compute starting value
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if ( unit !== "px" && start ) {
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// Iteratively approximate from a nonzero starting point
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// Prefer the current property, because this process will be trivial if it uses the same units
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// Fallback to end or a simple constant
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start = jQuery.css( tween.elem, prop, true ) || end || 1;
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do {
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// If previous iteration zeroed out, double until we get *something*
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// Use a string for doubling factor so we don't accidentally see scale as unchanged below
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scale = scale || ".5";
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// Adjust and apply
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start = start / scale;
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jQuery.style( tween.elem, prop, start + unit );
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// Update scale, tolerating zero or NaN from tween.cur()
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// And breaking the loop if scale is unchanged or perfect, or if we've just had enough
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} while ( scale !== (scale = tween.cur() / target) && scale !== 1 && --maxIterations );
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}
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tween.unit = unit;
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tween.start = start;
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// If a +=/-= token was provided, we're doing a relative animation
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tween.end = parts[1] ? start + ( parts[1] + 1 ) * end : end;
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}
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return tween;
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}]
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};
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// Animations created synchronously will run synchronously
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function createFxNow() {
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setTimeout(function() {
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fxNow = undefined;
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});
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return ( fxNow = jQuery.now() );
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}
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function createTweens( animation, props ) {
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jQuery.each( props, function( prop, value ) {
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var collection = ( tweeners[ prop ] || [] ).concat( tweeners[ "*" ] ),
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index = 0,
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length = collection.length;
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for ( ; index < length; index++ ) {
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if ( collection[ index ].call( animation, prop, value ) ) {
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// we're done with this property
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return;
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}
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}
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});
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}
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function Animation( elem, properties, options ) {
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var result,
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stopped,
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index = 0,
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length = animationPrefilters.length,
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deferred = jQuery.Deferred().always( function() {
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// don't match elem in the :animated selector
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delete tick.elem;
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}),
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tick = function() {
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if ( stopped ) {
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return false;
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}
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var currentTime = fxNow || createFxNow(),
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remaining = Math.max( 0, animation.startTime + animation.duration - currentTime ),
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// archaic crash bug won't allow us to use 1 - ( 0.5 || 0 ) (#12497)
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temp = remaining / animation.duration || 0,
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percent = 1 - temp,
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index = 0,
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length = animation.tweens.length;
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for ( ; index < length ; index++ ) {
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animation.tweens[ index ].run( percent );
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}
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deferred.notifyWith( elem, [ animation, percent, remaining ]);
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if ( percent < 1 && length ) {
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return remaining;
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} else {
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deferred.resolveWith( elem, [ animation ] );
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return false;
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}
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},
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animation = deferred.promise({
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elem: elem,
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props: jQuery.extend( {}, properties ),
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opts: jQuery.extend( true, { specialEasing: {} }, options ),
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originalProperties: properties,
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originalOptions: options,
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startTime: fxNow || createFxNow(),
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duration: options.duration,
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tweens: [],
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createTween: function( prop, end ) {
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var tween = jQuery.Tween( elem, animation.opts, prop, end,
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animation.opts.specialEasing[ prop ] || animation.opts.easing );
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animation.tweens.push( tween );
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return tween;
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},
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stop: function( gotoEnd ) {
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var index = 0,
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// if we are going to the end, we want to run all the tweens
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// otherwise we skip this part
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length = gotoEnd ? animation.tweens.length : 0;
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if ( stopped ) {
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return this;
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}
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stopped = true;
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for ( ; index < length ; index++ ) {
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animation.tweens[ index ].run( 1 );
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}
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// resolve when we played the last frame
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// otherwise, reject
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if ( gotoEnd ) {
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deferred.resolveWith( elem, [ animation, gotoEnd ] );
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} else {
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deferred.rejectWith( elem, [ animation, gotoEnd ] );
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}
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return this;
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}
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}),
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props = animation.props;
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propFilter( props, animation.opts.specialEasing );
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for ( ; index < length ; index++ ) {
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result = animationPrefilters[ index ].call( animation, elem, props, animation.opts );
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if ( result ) {
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return result;
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}
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}
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createTweens( animation, props );
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if ( jQuery.isFunction( animation.opts.start ) ) {
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animation.opts.start.call( elem, animation );
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}
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jQuery.fx.timer(
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jQuery.extend( tick, {
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elem: elem,
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anim: animation,
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queue: animation.opts.queue
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})
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);
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// attach callbacks from options
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return animation.progress( animation.opts.progress )
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.done( animation.opts.done, animation.opts.complete )
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.fail( animation.opts.fail )
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.always( animation.opts.always );
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}
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function propFilter( props, specialEasing ) {
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var index, name, easing, value, hooks;
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// camelCase, specialEasing and expand cssHook pass
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for ( index in props ) {
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name = jQuery.camelCase( index );
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easing = specialEasing[ name ];
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value = props[ index ];
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if ( jQuery.isArray( value ) ) {
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easing = value[ 1 ];
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value = props[ index ] = value[ 0 ];
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}
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if ( index !== name ) {
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props[ name ] = value;
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delete props[ index ];
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}
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hooks = jQuery.cssHooks[ name ];
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if ( hooks && "expand" in hooks ) {
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value = hooks.expand( value );
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delete props[ name ];
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// not quite $.extend, this wont overwrite keys already present.
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// also - reusing 'index' from above because we have the correct "name"
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for ( index in value ) {
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if ( !( index in props ) ) {
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props[ index ] = value[ index ];
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specialEasing[ index ] = easing;
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}
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}
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} else {
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specialEasing[ name ] = easing;
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}
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}
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}
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jQuery.Animation = jQuery.extend( Animation, {
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tweener: function( props, callback ) {
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if ( jQuery.isFunction( props ) ) {
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callback = props;
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props = [ "*" ];
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} else {
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props = props.split(" ");
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}
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var prop,
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index = 0,
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length = props.length;
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for ( ; index < length ; index++ ) {
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prop = props[ index ];
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tweeners[ prop ] = tweeners[ prop ] || [];
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tweeners[ prop ].unshift( callback );
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}
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},
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prefilter: function( callback, prepend ) {
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if ( prepend ) {
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animationPrefilters.unshift( callback );
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} else {
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animationPrefilters.push( callback );
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}
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}
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});
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function defaultPrefilter( elem, props, opts ) {
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/*jshint validthis:true */
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var index, prop, value, length, dataShow, toggle, tween, hooks, oldfire,
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anim = this,
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style = elem.style,
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orig = {},
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handled = [],
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hidden = elem.nodeType && isHidden( elem );
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// handle queue: false promises
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if ( !opts.queue ) {
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hooks = jQuery._queueHooks( elem, "fx" );
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if ( hooks.unqueued == null ) {
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hooks.unqueued = 0;
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oldfire = hooks.empty.fire;
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hooks.empty.fire = function() {
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if ( !hooks.unqueued ) {
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oldfire();
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}
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};
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}
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hooks.unqueued++;
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anim.always(function() {
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// doing this makes sure that the complete handler will be called
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// before this completes
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anim.always(function() {
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hooks.unqueued--;
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if ( !jQuery.queue( elem, "fx" ).length ) {
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hooks.empty.fire();
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}
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});
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});
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}
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// height/width overflow pass
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if ( elem.nodeType === 1 && ( "height" in props || "width" in props ) ) {
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// Make sure that nothing sneaks out
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// Record all 3 overflow attributes because IE does not
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// change the overflow attribute when overflowX and
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// overflowY are set to the same value
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opts.overflow = [ style.overflow, style.overflowX, style.overflowY ];
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// Set display property to inline-block for height/width
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// animations on inline elements that are having width/height animated
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if ( jQuery.css( elem, "display" ) === "inline" &&
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jQuery.css( elem, "float" ) === "none" ) {
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style.display = "inline-block";
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}
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}
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if ( opts.overflow ) {
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style.overflow = "hidden";
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anim.always(function() {
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style.overflow = opts.overflow[ 0 ];
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style.overflowX = opts.overflow[ 1 ];
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style.overflowY = opts.overflow[ 2 ];
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});
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}
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// show/hide pass
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for ( index in props ) {
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value = props[ index ];
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if ( rfxtypes.exec( value ) ) {
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delete props[ index ];
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toggle = toggle || value === "toggle";
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if ( value === ( hidden ? "hide" : "show" ) ) {
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continue;
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}
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handled.push( index );
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}
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}
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length = handled.length;
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if ( length ) {
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dataShow = jQuery._data( elem, "fxshow" ) || jQuery._data( elem, "fxshow", {} );
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if ( "hidden" in dataShow ) {
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hidden = dataShow.hidden;
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}
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// store state if its toggle - enables .stop().toggle() to "reverse"
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if ( toggle ) {
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dataShow.hidden = !hidden;
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}
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if ( hidden ) {
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jQuery( elem ).show();
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} else {
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anim.done(function() {
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jQuery( elem ).hide();
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});
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}
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anim.done(function() {
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var prop;
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jQuery._removeData( elem, "fxshow" );
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for ( prop in orig ) {
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jQuery.style( elem, prop, orig[ prop ] );
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}
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});
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for ( index = 0 ; index < length ; index++ ) {
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prop = handled[ index ];
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tween = anim.createTween( prop, hidden ? dataShow[ prop ] : 0 );
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orig[ prop ] = dataShow[ prop ] || jQuery.style( elem, prop );
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if ( !( prop in dataShow ) ) {
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dataShow[ prop ] = tween.start;
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if ( hidden ) {
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tween.end = tween.start;
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tween.start = prop === "width" || prop === "height" ? 1 : 0;
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}
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}
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}
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}
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}
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function Tween( elem, options, prop, end, easing ) {
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return new Tween.prototype.init( elem, options, prop, end, easing );
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}
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jQuery.Tween = Tween;
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Tween.prototype = {
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constructor: Tween,
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init: function( elem, options, prop, end, easing, unit ) {
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this.elem = elem;
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this.prop = prop;
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this.easing = easing || "swing";
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this.options = options;
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this.start = this.now = this.cur();
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this.end = end;
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this.unit = unit || ( jQuery.cssNumber[ prop ] ? "" : "px" );
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},
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cur: function() {
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var hooks = Tween.propHooks[ this.prop ];
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return hooks && hooks.get ?
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hooks.get( this ) :
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Tween.propHooks._default.get( this );
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},
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run: function( percent ) {
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var eased,
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hooks = Tween.propHooks[ this.prop ];
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if ( this.options.duration ) {
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this.pos = eased = jQuery.easing[ this.easing ](
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percent, this.options.duration * percent, 0, 1, this.options.duration
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);
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} else {
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this.pos = eased = percent;
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}
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this.now = ( this.end - this.start ) * eased + this.start;
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if ( this.options.step ) {
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this.options.step.call( this.elem, this.now, this );
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}
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if ( hooks && hooks.set ) {
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hooks.set( this );
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} else {
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Tween.propHooks._default.set( this );
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}
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return this;
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}
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};
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Tween.prototype.init.prototype = Tween.prototype;
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Tween.propHooks = {
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_default: {
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get: function( tween ) {
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var result;
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if ( tween.elem[ tween.prop ] != null &&
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(!tween.elem.style || tween.elem.style[ tween.prop ] == null) ) {
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return tween.elem[ tween.prop ];
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}
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// passing an empty string as a 3rd parameter to .css will automatically
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// attempt a parseFloat and fallback to a string if the parse fails
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// so, simple values such as "10px" are parsed to Float.
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// complex values such as "rotate(1rad)" are returned as is.
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result = jQuery.css( tween.elem, tween.prop, "" );
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// Empty strings, null, undefined and "auto" are converted to 0.
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return !result || result === "auto" ? 0 : result;
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},
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set: function( tween ) {
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// use step hook for back compat - use cssHook if its there - use .style if its
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// available and use plain properties where available
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if ( jQuery.fx.step[ tween.prop ] ) {
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jQuery.fx.step[ tween.prop ]( tween );
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} else if ( tween.elem.style && ( tween.elem.style[ jQuery.cssProps[ tween.prop ] ] != null || jQuery.cssHooks[ tween.prop ] ) ) {
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jQuery.style( tween.elem, tween.prop, tween.now + tween.unit );
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} else {
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tween.elem[ tween.prop ] = tween.now;
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}
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}
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}
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};
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// Support: IE9
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// Panic based approach to setting things on disconnected nodes
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Tween.propHooks.scrollTop = Tween.propHooks.scrollLeft = {
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set: function( tween ) {
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if ( tween.elem.nodeType && tween.elem.parentNode ) {
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tween.elem[ tween.prop ] = tween.now;
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}
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}
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};
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jQuery.each([ "toggle", "show", "hide" ], function( i, name ) {
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var cssFn = jQuery.fn[ name ];
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jQuery.fn[ name ] = function( speed, easing, callback ) {
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return speed == null || typeof speed === "boolean" ?
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cssFn.apply( this, arguments ) :
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this.animate( genFx( name, true ), speed, easing, callback );
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};
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});
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jQuery.fn.extend({
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fadeTo: function( speed, to, easing, callback ) {
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// show any hidden elements after setting opacity to 0
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return this.filter( isHidden ).css( "opacity", 0 ).show()
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// animate to the value specified
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.end().animate({ opacity: to }, speed, easing, callback );
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},
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animate: function( prop, speed, easing, callback ) {
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var empty = jQuery.isEmptyObject( prop ),
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optall = jQuery.speed( speed, easing, callback ),
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doAnimation = function() {
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// Operate on a copy of prop so per-property easing won't be lost
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var anim = Animation( this, jQuery.extend( {}, prop ), optall );
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doAnimation.finish = function() {
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anim.stop( true );
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};
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// Empty animations, or finishing resolves immediately
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if ( empty || jQuery._data( this, "finish" ) ) {
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anim.stop( true );
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}
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};
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doAnimation.finish = doAnimation;
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return empty || optall.queue === false ?
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this.each( doAnimation ) :
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this.queue( optall.queue, doAnimation );
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},
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stop: function( type, clearQueue, gotoEnd ) {
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var stopQueue = function( hooks ) {
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var stop = hooks.stop;
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delete hooks.stop;
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stop( gotoEnd );
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};
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if ( typeof type !== "string" ) {
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gotoEnd = clearQueue;
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clearQueue = type;
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type = undefined;
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}
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if ( clearQueue && type !== false ) {
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this.queue( type || "fx", [] );
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}
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return this.each(function() {
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var dequeue = true,
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index = type != null && type + "queueHooks",
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timers = jQuery.timers,
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data = jQuery._data( this );
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if ( index ) {
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if ( data[ index ] && data[ index ].stop ) {
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stopQueue( data[ index ] );
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}
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} else {
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for ( index in data ) {
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if ( data[ index ] && data[ index ].stop && rrun.test( index ) ) {
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stopQueue( data[ index ] );
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}
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}
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}
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for ( index = timers.length; index--; ) {
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if ( timers[ index ].elem === this && (type == null || timers[ index ].queue === type) ) {
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timers[ index ].anim.stop( gotoEnd );
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dequeue = false;
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timers.splice( index, 1 );
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}
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}
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// start the next in the queue if the last step wasn't forced
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// timers currently will call their complete callbacks, which will dequeue
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// but only if they were gotoEnd
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if ( dequeue || !gotoEnd ) {
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jQuery.dequeue( this, type );
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}
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});
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},
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finish: function( type ) {
|
|
if ( type !== false ) {
|
|
type = type || "fx";
|
|
}
|
|
return this.each(function() {
|
|
var index,
|
|
data = jQuery._data( this ),
|
|
queue = data[ type + "queue" ],
|
|
hooks = data[ type + "queueHooks" ],
|
|
timers = jQuery.timers,
|
|
length = queue ? queue.length : 0;
|
|
|
|
// enable finishing flag on private data
|
|
data.finish = true;
|
|
|
|
// empty the queue first
|
|
jQuery.queue( this, type, [] );
|
|
|
|
if ( hooks && hooks.cur && hooks.cur.finish ) {
|
|
hooks.cur.finish.call( this );
|
|
}
|
|
|
|
// look for any active animations, and finish them
|
|
for ( index = timers.length; index--; ) {
|
|
if ( timers[ index ].elem === this && timers[ index ].queue === type ) {
|
|
timers[ index ].anim.stop( true );
|
|
timers.splice( index, 1 );
|
|
}
|
|
}
|
|
|
|
// look for any animations in the old queue and finish them
|
|
for ( index = 0; index < length; index++ ) {
|
|
if ( queue[ index ] && queue[ index ].finish ) {
|
|
queue[ index ].finish.call( this );
|
|
}
|
|
}
|
|
|
|
// turn off finishing flag
|
|
delete data.finish;
|
|
});
|
|
}
|
|
});
|
|
|
|
// Generate parameters to create a standard animation
|
|
function genFx( type, includeWidth ) {
|
|
var which,
|
|
attrs = { height: type },
|
|
i = 0;
|
|
|
|
// if we include width, step value is 1 to do all cssExpand values,
|
|
// if we don't include width, step value is 2 to skip over Left and Right
|
|
includeWidth = includeWidth? 1 : 0;
|
|
for( ; i < 4 ; i += 2 - includeWidth ) {
|
|
which = cssExpand[ i ];
|
|
attrs[ "margin" + which ] = attrs[ "padding" + which ] = type;
|
|
}
|
|
|
|
if ( includeWidth ) {
|
|
attrs.opacity = attrs.width = type;
|
|
}
|
|
|
|
return attrs;
|
|
}
|
|
|
|
// Generate shortcuts for custom animations
|
|
jQuery.each({
|
|
slideDown: genFx("show"),
|
|
slideUp: genFx("hide"),
|
|
slideToggle: genFx("toggle"),
|
|
fadeIn: { opacity: "show" },
|
|
fadeOut: { opacity: "hide" },
|
|
fadeToggle: { opacity: "toggle" }
|
|
}, function( name, props ) {
|
|
jQuery.fn[ name ] = function( speed, easing, callback ) {
|
|
return this.animate( props, speed, easing, callback );
|
|
};
|
|
});
|
|
|
|
jQuery.speed = function( speed, easing, fn ) {
|
|
var opt = speed && typeof speed === "object" ? jQuery.extend( {}, speed ) : {
|
|
complete: fn || !fn && easing ||
|
|
jQuery.isFunction( speed ) && speed,
|
|
duration: speed,
|
|
easing: fn && easing || easing && !jQuery.isFunction( easing ) && easing
|
|
};
|
|
|
|
opt.duration = jQuery.fx.off ? 0 : typeof opt.duration === "number" ? opt.duration :
|
|
opt.duration in jQuery.fx.speeds ? jQuery.fx.speeds[ opt.duration ] : jQuery.fx.speeds._default;
|
|
|
|
// normalize opt.queue - true/undefined/null -> "fx"
|
|
if ( opt.queue == null || opt.queue === true ) {
|
|
opt.queue = "fx";
|
|
}
|
|
|
|
// Queueing
|
|
opt.old = opt.complete;
|
|
|
|
opt.complete = function() {
|
|
if ( jQuery.isFunction( opt.old ) ) {
|
|
opt.old.call( this );
|
|
}
|
|
|
|
if ( opt.queue ) {
|
|
jQuery.dequeue( this, opt.queue );
|
|
}
|
|
};
|
|
|
|
return opt;
|
|
};
|
|
|
|
jQuery.easing = {
|
|
linear: function( p ) {
|
|
return p;
|
|
},
|
|
swing: function( p ) {
|
|
return 0.5 - Math.cos( p*Math.PI ) / 2;
|
|
}
|
|
};
|
|
|
|
jQuery.timers = [];
|
|
jQuery.fx = Tween.prototype.init;
|
|
jQuery.fx.tick = function() {
|
|
var timer,
|
|
timers = jQuery.timers,
|
|
i = 0;
|
|
|
|
fxNow = jQuery.now();
|
|
|
|
for ( ; i < timers.length; i++ ) {
|
|
timer = timers[ i ];
|
|
// Checks the timer has not already been removed
|
|
if ( !timer() && timers[ i ] === timer ) {
|
|
timers.splice( i--, 1 );
|
|
}
|
|
}
|
|
|
|
if ( !timers.length ) {
|
|
jQuery.fx.stop();
|
|
}
|
|
fxNow = undefined;
|
|
};
|
|
|
|
jQuery.fx.timer = function( timer ) {
|
|
if ( timer() && jQuery.timers.push( timer ) ) {
|
|
jQuery.fx.start();
|
|
}
|
|
};
|
|
|
|
jQuery.fx.interval = 13;
|
|
|
|
jQuery.fx.start = function() {
|
|
if ( !timerId ) {
|
|
timerId = setInterval( jQuery.fx.tick, jQuery.fx.interval );
|
|
}
|
|
};
|
|
|
|
jQuery.fx.stop = function() {
|
|
clearInterval( timerId );
|
|
timerId = null;
|
|
};
|
|
|
|
jQuery.fx.speeds = {
|
|
slow: 600,
|
|
fast: 200,
|
|
// Default speed
|
|
_default: 400
|
|
};
|
|
|
|
// Back Compat <1.8 extension point
|
|
jQuery.fx.step = {};
|
|
|
|
if ( jQuery.expr && jQuery.expr.filters ) {
|
|
jQuery.expr.filters.animated = function( elem ) {
|
|
return jQuery.grep(jQuery.timers, function( fn ) {
|
|
return elem === fn.elem;
|
|
}).length;
|
|
};
|
|
}
|