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added vertical swiping #168

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added vertical swiping #168

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36 changes: 25 additions & 11 deletions jquery.cycle2.swipe.js
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Original file line number Diff line number Diff line change
Expand Up @@ -10,8 +10,8 @@ var supportTouch = 'ontouchend' in document;
$.event.special.swipe = $.event.special.swipe || {
scrollSupressionThreshold: 10, // More than this horizontal displacement, and we will suppress scrolling.
durationThreshold: 1000, // More time than this, and it isn't a swipe.
horizontalDistanceThreshold: 30, // Swipe horizontal displacement must be more than this.
verticalDistanceThreshold: 75, // Swipe vertical displacement must be less than this.
distanceThresholdMin: 30, // Swipe horizontal displacement must be more than this.
distanceThresholdMax: 75, // Swipe vertical displacement must be less than this.

setup: function() {
var $this = $( this );
Expand All @@ -36,7 +36,7 @@ $.event.special.swipe = $.event.special.swipe || {
};

// prevent scrolling
if ( Math.abs( start.coords[ 0 ] - stop.coords[ 0 ] ) > $.event.special.swipe.scrollSupressionThreshold ) {
if ( Math.abs( start.coords[ 0 ] - stop.coords[ 0 ] ) > $.event.special.swipe.scrollSupressionThreshold || Math.abs( start.coords[ 1 ] - stop.coords[ 1 ] ) > $.event.special.swipe.scrollSupressionThreshold) {
event.preventDefault();
}
}
Expand All @@ -45,26 +45,40 @@ $.event.special.swipe = $.event.special.swipe || {
.one( 'touchend', function( event ) {
$this.unbind( 'touchmove', moveHandler );

if ( start && stop ) {
if ( stop.time - start.time < $.event.special.swipe.durationThreshold &&
Math.abs( start.coords[ 0 ] - stop.coords[ 0 ] ) > $.event.special.swipe.horizontalDistanceThreshold &&
Math.abs( start.coords[ 1 ] - stop.coords[ 1 ] ) < $.event.special.swipe.verticalDistanceThreshold ) {

start.origin.trigger( "swipe" )
.trigger( start.coords[0] > stop.coords[ 0 ] ? "swipeleft" : "swiperight" );
if ( start && stop )
{
if ( stop.time - start.time < $.event.special.swipe.durationThreshold)
{
var event_;
if( Math.abs( start.coords[ 0 ] - stop.coords[ 0 ] ) > $.event.special.swipe.distanceThresholdMin &&
Math.abs( start.coords[ 1 ] - stop.coords[ 1 ] ) < $.event.special.swipe.distanceThresholdMax )
{
event_ = start.coords[0] > stop.coords[ 0 ] ? "swipeleft" : "swiperight";
}
else if (Math.abs( start.coords[ 1 ] - stop.coords[ 1 ] ) > $.event.special.swipe.distanceThresholdMin &&
Math.abs( start.coords[ 0 ] - stop.coords[ 0 ] ) < $.event.special.swipe.distanceThresholdMax)
{
event_ = start.coords[1] > stop.coords[ 1 ] ? "swipeup" : "swipedown";
}
}
start.origin.trigger( "swipe" )
.trigger( event_ );
}
start = stop = undefined;

start = stop = undefined;
});
});
}
};


$.event.special.swipeleft = $.event.special.swipeleft || {
setup: function() {
$( this ).bind( 'swipe', $.noop );
}
};
$.event.special.swiperight = $.event.special.swiperight || $.event.special.swipeleft;
$.event.special.swipeup = $.event.special.swipeup || $.event.special.swipeleft;
$.event.special.swipedown = $.event.special.swipedown || $.event.special.swipeleft;

})(jQuery);