mirror of
https://github.com/WordPress/WordPress.git
synced 2024-12-29 12:37:57 +01:00
a1036ac9f0
* Add global variable flags to top of JS files. * Group variable declarations correctly. Built from https://develop.svn.wordpress.org/trunk@26084 git-svn-id: http://core.svn.wordpress.org/trunk@26004 1a063a9b-81f0-0310-95a4-ce76da25c4cd
589 lines
18 KiB
JavaScript
589 lines
18 KiB
JavaScript
/* global DocumentTouch:true,setImmediate:true,featuredSliderDefaults:true,MSGesture:true */
|
|
/*
|
|
* Twenty Fourteen Featured Content Slider
|
|
*
|
|
* Adapted from FlexSlider v2.2.0, copyright 2012 WooThemes
|
|
* @link http://www.woothemes.com/flexslider/
|
|
*/
|
|
|
|
( function( $ ) {
|
|
// FeaturedSlider: object instance.
|
|
$.featuredslider = function( el, options ) {
|
|
var slider = $( el ),
|
|
msGesture = window.navigator && window.navigator.msPointerEnabled && window.MSGesture,
|
|
touch = ( ( 'ontouchstart' in window ) || msGesture || window.DocumentTouch && document instanceof DocumentTouch ), // MSFT specific.
|
|
eventType = 'click touchend MSPointerUp',
|
|
watchedEvent = '',
|
|
watchedEventClearTimer,
|
|
methods = {},
|
|
namespace;
|
|
|
|
// Make variables public.
|
|
slider.vars = $.extend( {}, $.featuredslider.defaults, options );
|
|
|
|
namespace = slider.vars.namespace,
|
|
|
|
// Store a reference to the slider object.
|
|
$.data( el, 'featuredslider', slider );
|
|
|
|
// Private slider methods.
|
|
methods = {
|
|
init: function() {
|
|
slider.animating = false;
|
|
slider.currentSlide = 0;
|
|
slider.animatingTo = slider.currentSlide;
|
|
slider.atEnd = ( slider.currentSlide === 0 || slider.currentSlide === slider.last );
|
|
slider.containerSelector = slider.vars.selector.substr( 0, slider.vars.selector.search( ' ' ) );
|
|
slider.slides = $( slider.vars.selector, slider );
|
|
slider.container = $( slider.containerSelector, slider );
|
|
slider.count = slider.slides.length;
|
|
slider.prop = 'marginLeft';
|
|
slider.args = {};
|
|
// TOUCH
|
|
slider.transitions = ( function() {
|
|
var obj = document.createElement( 'div' ),
|
|
props = ['perspectiveProperty', 'WebkitPerspective', 'MozPerspective', 'OPerspective', 'msPerspective'],
|
|
i;
|
|
|
|
for ( i in props ) {
|
|
if ( obj.style[ props[i] ] !== undefined ) {
|
|
slider.pfx = props[i].replace( 'Perspective', '' ).toLowerCase();
|
|
slider.prop = '-' + slider.pfx + '-transform';
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}() );
|
|
// CONTROLSCONTAINER
|
|
if ( slider.vars.controlsContainer !== '' ) {
|
|
slider.controlsContainer = $( slider.vars.controlsContainer ).length > 0 && $( slider.vars.controlsContainer );
|
|
}
|
|
|
|
slider.doMath();
|
|
|
|
// INIT
|
|
slider.setup( 'init' );
|
|
|
|
// CONTROLNAV
|
|
methods.controlNav.setup();
|
|
|
|
// DIRECTIONNAV
|
|
methods.directionNav.setup();
|
|
|
|
// KEYBOARD
|
|
if ( $( slider.containerSelector ).length === 1 ) {
|
|
$( document ).bind( 'keyup', function( event ) {
|
|
var keycode = event.keyCode,
|
|
target = false;
|
|
if ( ! slider.animating && ( keycode === 39 || keycode === 37 ) ) {
|
|
if (keycode === 39){
|
|
target = slider.getTarget( 'next' );
|
|
} else if (keycode === 37) {
|
|
target = slider.getTarget( 'prev' );
|
|
}
|
|
|
|
slider.featureAnimate( target );
|
|
}
|
|
} );
|
|
}
|
|
|
|
// TOUCH
|
|
if ( touch ) {
|
|
methods.touch();
|
|
}
|
|
|
|
$( window ).bind( 'resize orientationchange focus', methods.resize );
|
|
|
|
slider.find( 'img' ).attr( 'draggable', 'false' );
|
|
},
|
|
|
|
controlNav: {
|
|
setup: function() {
|
|
methods.controlNav.setupPaging();
|
|
},
|
|
setupPaging: function() {
|
|
var type = 'control-paging',
|
|
j = 1,
|
|
item,
|
|
slide,
|
|
i;
|
|
|
|
slider.controlNavScaffold = $( '<ol class="' + namespace + 'control-nav ' + namespace + type + '"></ol>' );
|
|
|
|
if ( slider.pagingCount > 1 ) {
|
|
for ( i = 0; i < slider.pagingCount; i++ ) {
|
|
slide = slider.slides.eq( i );
|
|
item = '<a>' + j + '</a>';
|
|
slider.controlNavScaffold.append( '<li>' + item + '</li>' );
|
|
j++;
|
|
}
|
|
}
|
|
|
|
// CONTROLSCONTAINER
|
|
( slider.controlsContainer ) ? $( slider.controlsContainer ).append( slider.controlNavScaffold ) : slider.append( slider.controlNavScaffold );
|
|
methods.controlNav.set();
|
|
|
|
methods.controlNav.active();
|
|
|
|
slider.controlNavScaffold.delegate( 'a, img', eventType, function( event ) {
|
|
event.preventDefault();
|
|
|
|
if ( watchedEvent === '' || watchedEvent === event.type ) {
|
|
var $this = $( this ),
|
|
target = slider.controlNav.index( $this );
|
|
|
|
if ( ! $this.hasClass( namespace + 'active' ) ) {
|
|
slider.direction = ( target > slider.currentSlide ) ? 'next' : 'prev';
|
|
slider.featureAnimate( target );
|
|
}
|
|
}
|
|
|
|
// Set up flags to prevent event duplication.
|
|
if ( watchedEvent === '' ) {
|
|
watchedEvent = event.type;
|
|
}
|
|
|
|
methods.setToClearWatchedEvent();
|
|
} );
|
|
},
|
|
set: function() {
|
|
var selector = 'a';
|
|
slider.controlNav = $( '.' + namespace + 'control-nav li ' + selector, ( slider.controlsContainer ) ? slider.controlsContainer : slider );
|
|
},
|
|
active: function() {
|
|
slider.controlNav.removeClass( namespace + 'active' ).eq( slider.animatingTo ).addClass( namespace + 'active' );
|
|
},
|
|
update: function( action, pos ) {
|
|
if ( slider.pagingCount > 1 && action === 'add' ) {
|
|
slider.controlNavScaffold.append( $( '<li><a>' + slider.count + '</a></li>' ) );
|
|
} else if ( slider.pagingCount === 1 ) {
|
|
slider.controlNavScaffold.find( 'li' ).remove();
|
|
} else {
|
|
slider.controlNav.eq( pos ).closest( 'li' ).remove();
|
|
}
|
|
methods.controlNav.set();
|
|
( slider.pagingCount > 1 && slider.pagingCount !== slider.controlNav.length ) ? slider.update( pos, action ) : methods.controlNav.active();
|
|
}
|
|
},
|
|
|
|
directionNav: {
|
|
setup: function() {
|
|
var directionNavScaffold = $( '<ul class="' + namespace + 'direction-nav"><li><a class="' + namespace + 'prev" href="#">' + slider.vars.prevText + '</a></li><li><a class="' + namespace + 'next" href="#">' + slider.vars.nextText + '</a></li></ul>' );
|
|
|
|
// CONTROLSCONTAINER
|
|
if ( slider.controlsContainer ) {
|
|
$( slider.controlsContainer ).append( directionNavScaffold );
|
|
slider.directionNav = $( '.' + namespace + 'direction-nav li a', slider.controlsContainer );
|
|
} else {
|
|
slider.append( directionNavScaffold );
|
|
slider.directionNav = $( '.' + namespace + 'direction-nav li a', slider );
|
|
}
|
|
|
|
methods.directionNav.update();
|
|
|
|
slider.directionNav.bind( eventType, function( event ) {
|
|
event.preventDefault();
|
|
var target;
|
|
|
|
if ( watchedEvent === '' || watchedEvent === event.type ) {
|
|
target = ( $( this ).hasClass( namespace + 'next' ) ) ? slider.getTarget( 'next' ) : slider.getTarget( 'prev' );
|
|
slider.featureAnimate( target );
|
|
}
|
|
|
|
// Set up flags to prevent event duplication.
|
|
if ( watchedEvent === '' ) {
|
|
watchedEvent = event.type;
|
|
}
|
|
|
|
methods.setToClearWatchedEvent();
|
|
} );
|
|
},
|
|
update: function() {
|
|
var disabledClass = namespace + 'disabled';
|
|
if ( slider.pagingCount === 1 ) {
|
|
slider.directionNav.addClass( disabledClass ).attr( 'tabindex', '-1' );
|
|
} else {
|
|
slider.directionNav.removeClass( disabledClass ).removeAttr( 'tabindex' );
|
|
}
|
|
}
|
|
},
|
|
|
|
touch: function() {
|
|
var startX,
|
|
startY,
|
|
offset,
|
|
cwidth,
|
|
dx,
|
|
startT,
|
|
scrolling = false,
|
|
localX = 0,
|
|
localY = 0,
|
|
accDx = 0;
|
|
|
|
if ( ! msGesture ) {
|
|
el.addEventListener( 'touchstart', onTouchStart, false );
|
|
} else {
|
|
el.style.msTouchAction = 'none';
|
|
el._gesture = new MSGesture(); // MSFT specific.
|
|
el._gesture.target = el;
|
|
el.addEventListener( 'MSPointerDown', onMSPointerDown, false );
|
|
el._slider = slider;
|
|
el.addEventListener( 'MSGestureChange', onMSGestureChange, false );
|
|
el.addEventListener( 'MSGestureEnd', onMSGestureEnd, false );
|
|
}
|
|
|
|
function onTouchStart( e ) {
|
|
if ( slider.animating ) {
|
|
e.preventDefault();
|
|
} else if ( ( window.navigator.msPointerEnabled ) || e.touches.length === 1 ) {
|
|
cwidth = slider.w;
|
|
startT = Number( new Date() );
|
|
|
|
// Local vars for X and Y points.
|
|
localX = e.touches[0].pageX;
|
|
localY = e.touches[0].pageY;
|
|
|
|
offset = ( slider.animatingTo === slider.last ) ? 0 :
|
|
( slider.currentSlide === slider.last ) ? slider.limit : ( slider.currentSlide + slider.cloneOffset ) * cwidth;
|
|
startX = localX;
|
|
startY = localY;
|
|
|
|
el.addEventListener( 'touchmove', onTouchMove, false );
|
|
el.addEventListener( 'touchend', onTouchEnd, false );
|
|
}
|
|
}
|
|
|
|
function onTouchMove( e ) {
|
|
// Local vars for X and Y points.
|
|
localX = e.touches[0].pageX;
|
|
localY = e.touches[0].pageY;
|
|
|
|
dx = startX - localX;
|
|
scrolling = Math.abs( dx ) < Math.abs( localY - startY );
|
|
|
|
var fxms = 500;
|
|
|
|
if ( ! scrolling || Number( new Date() ) - startT > fxms ) {
|
|
e.preventDefault();
|
|
if ( slider.transitions ) {
|
|
slider.setProps( offset + dx, 'setTouch' );
|
|
}
|
|
}
|
|
}
|
|
|
|
function onTouchEnd() {
|
|
// Finish the touch by undoing the touch session.
|
|
el.removeEventListener( 'touchmove', onTouchMove, false );
|
|
|
|
if ( slider.animatingTo === slider.currentSlide && ! scrolling && dx !== null ) {
|
|
var updateDx = dx,
|
|
target = ( updateDx > 0 ) ? slider.getTarget( 'next' ) : slider.getTarget( 'prev' );
|
|
|
|
slider.featureAnimate( target );
|
|
}
|
|
el.removeEventListener( 'touchend', onTouchEnd, false );
|
|
|
|
startX = null;
|
|
startY = null;
|
|
dx = null;
|
|
offset = null;
|
|
}
|
|
|
|
function onMSPointerDown( e ) {
|
|
e.stopPropagation();
|
|
if ( slider.animating ) {
|
|
e.preventDefault();
|
|
} else {
|
|
el._gesture.addPointer( e.pointerId );
|
|
accDx = 0;
|
|
cwidth = slider.w;
|
|
startT = Number( new Date() );
|
|
offset = ( slider.animatingTo === slider.last ) ? 0 : ( slider.currentSlide === slider.last ) ? slider.limit : ( slider.currentSlide + slider.cloneOffset ) * cwidth;
|
|
}
|
|
}
|
|
|
|
function onMSGestureChange( e ) {
|
|
e.stopPropagation();
|
|
var slider = e.target._slider,
|
|
transX,
|
|
transY;
|
|
if ( ! slider ) {
|
|
return;
|
|
}
|
|
|
|
transX = -e.translationX,
|
|
transY = -e.translationY;
|
|
|
|
// Accumulate translations.
|
|
accDx = accDx + transX;
|
|
dx = accDx;
|
|
scrolling = Math.abs( accDx ) < Math.abs( -transY );
|
|
|
|
if ( e.detail === e.MSGESTURE_FLAG_INERTIA ) {
|
|
setImmediate( function () { // MSFT specific.
|
|
el._gesture.stop();
|
|
} );
|
|
|
|
return;
|
|
}
|
|
|
|
if ( ! scrolling || Number( new Date() ) - startT > 500 ) {
|
|
e.preventDefault();
|
|
if ( slider.transitions ) {
|
|
slider.setProps( offset + dx, 'setTouch' );
|
|
}
|
|
}
|
|
}
|
|
|
|
function onMSGestureEnd( e ) {
|
|
e.stopPropagation();
|
|
var slider = e.target._slider,
|
|
updateDx,
|
|
target;
|
|
if ( ! slider ) {
|
|
return;
|
|
}
|
|
|
|
if ( slider.animatingTo === slider.currentSlide && ! scrolling && dx !== null ) {
|
|
updateDx = dx,
|
|
target = ( updateDx > 0 ) ? slider.getTarget( 'next' ) : slider.getTarget( 'prev' );
|
|
|
|
slider.featureAnimate( target );
|
|
}
|
|
|
|
startX = null;
|
|
startY = null;
|
|
dx = null;
|
|
offset = null;
|
|
accDx = 0;
|
|
}
|
|
},
|
|
|
|
resize: function() {
|
|
if ( ! slider.animating && slider.is( ':visible' ) ) {
|
|
slider.doMath();
|
|
|
|
// SMOOTH HEIGHT
|
|
methods.smoothHeight();
|
|
slider.newSlides.width( slider.computedW );
|
|
slider.setProps( slider.computedW, 'setTotal' );
|
|
}
|
|
},
|
|
|
|
smoothHeight: function( dur ) {
|
|
var $obj = slider.viewport;
|
|
( dur ) ? $obj.animate( { 'height': slider.slides.eq( slider.animatingTo ).height() }, dur ) : $obj.height( slider.slides.eq( slider.animatingTo ).height() );
|
|
},
|
|
|
|
setToClearWatchedEvent: function() {
|
|
clearTimeout( watchedEventClearTimer );
|
|
watchedEventClearTimer = setTimeout( function() {
|
|
watchedEvent = '';
|
|
}, 3000 );
|
|
}
|
|
};
|
|
|
|
// Public methods.
|
|
slider.featureAnimate = function( target ) {
|
|
if ( target !== slider.currentSlide ) {
|
|
slider.direction = ( target > slider.currentSlide ) ? 'next' : 'prev';
|
|
}
|
|
|
|
if ( ! slider.animating && slider.is( ':visible' ) ) {
|
|
slider.animating = true;
|
|
slider.animatingTo = target;
|
|
|
|
// CONTROLNAV
|
|
methods.controlNav.active();
|
|
|
|
slider.slides.removeClass( namespace + 'active-slide' ).eq( target ).addClass( namespace + 'active-slide' );
|
|
|
|
slider.atEnd = target === 0 || target === slider.last;
|
|
|
|
// DIRECTIONNAV
|
|
methods.directionNav.update();
|
|
|
|
var dimension = slider.computedW,
|
|
slideString;
|
|
|
|
if ( slider.currentSlide === 0 && target === slider.count - 1 && slider.direction !== 'next' ) {
|
|
slideString = 0;
|
|
} else if ( slider.currentSlide === slider.last && target === 0 && slider.direction !== 'prev' ) {
|
|
slideString = ( slider.count + 1 ) * dimension;
|
|
} else {
|
|
slideString = ( target + slider.cloneOffset ) * dimension;
|
|
}
|
|
slider.setProps( slideString, '', slider.vars.animationSpeed );
|
|
if ( slider.transitions ) {
|
|
if ( ! slider.atEnd ) {
|
|
slider.animating = false;
|
|
slider.currentSlide = slider.animatingTo;
|
|
}
|
|
slider.container.unbind( 'webkitTransitionEnd transitionend' );
|
|
slider.container.bind( 'webkitTransitionEnd transitionend', function() {
|
|
slider.wrapup( dimension );
|
|
} );
|
|
} else {
|
|
slider.container.animate( slider.args, slider.vars.animationSpeed, 'swing', function() {
|
|
slider.wrapup( dimension );
|
|
} );
|
|
}
|
|
|
|
// SMOOTH HEIGHT
|
|
methods.smoothHeight( slider.vars.animationSpeed );
|
|
}
|
|
};
|
|
|
|
slider.wrapup = function( dimension ) {
|
|
if ( slider.currentSlide === 0 && slider.animatingTo === slider.last ) {
|
|
slider.setProps( dimension, 'jumpEnd' );
|
|
} else if ( slider.currentSlide === slider.last && slider.animatingTo === 0 ) {
|
|
slider.setProps( dimension, 'jumpStart' );
|
|
}
|
|
slider.animating = false;
|
|
slider.currentSlide = slider.animatingTo;
|
|
};
|
|
|
|
slider.getTarget = function( dir ) {
|
|
slider.direction = dir;
|
|
if ( dir === 'next' ) {
|
|
return ( slider.currentSlide === slider.last ) ? 0 : slider.currentSlide + 1;
|
|
} else {
|
|
return ( slider.currentSlide === 0 ) ? slider.last : slider.currentSlide - 1;
|
|
}
|
|
};
|
|
|
|
slider.setProps = function( pos, special, dur ) {
|
|
var target = ( function() {
|
|
var posCalc = ( function() {
|
|
switch ( special ) {
|
|
case 'setTotal': return ( slider.currentSlide + slider.cloneOffset ) * pos;
|
|
case 'setTouch': return pos;
|
|
case 'jumpEnd': return slider.count * pos;
|
|
case 'jumpStart': return pos;
|
|
default: return pos;
|
|
}
|
|
}() );
|
|
|
|
return ( posCalc * -1 ) + 'px';
|
|
}() );
|
|
|
|
if ( slider.transitions ) {
|
|
target = 'translate3d(' + target + ',0,0 )';
|
|
dur = ( dur !== undefined ) ? ( dur / 1000 ) + 's' : '0s';
|
|
slider.container.css( '-' + slider.pfx + '-transition-duration', dur );
|
|
}
|
|
|
|
slider.args[slider.prop] = target;
|
|
if ( slider.transitions || dur === undefined ) {
|
|
slider.container.css( slider.args );
|
|
}
|
|
};
|
|
|
|
slider.setup = function( type ) {
|
|
var sliderOffset;
|
|
|
|
if ( type === 'init' ) {
|
|
slider.viewport = $( '<div class="' + namespace + 'viewport"></div>' ).css( { 'overflow': 'hidden', 'position': 'relative' } ).appendTo( slider ).append( slider.container );
|
|
slider.cloneCount = 0;
|
|
slider.cloneOffset = 0;
|
|
}
|
|
slider.cloneCount = 2;
|
|
slider.cloneOffset = 1;
|
|
// Clear out old clones.
|
|
if ( type !== 'init' ) {
|
|
slider.container.find( '.clone' ).remove();
|
|
}
|
|
|
|
slider.container.append( slider.slides.first().clone().addClass( 'clone' ).attr( 'aria-hidden', 'true' ) ).prepend( slider.slides.last().clone().addClass( 'clone' ).attr( 'aria-hidden', 'true' ) );
|
|
slider.newSlides = $( slider.vars.selector, slider );
|
|
|
|
sliderOffset = slider.currentSlide + slider.cloneOffset;
|
|
slider.container.width( ( slider.count + slider.cloneCount ) * 200 + '%' );
|
|
slider.setProps( sliderOffset * slider.computedW, 'init' );
|
|
setTimeout( function() {
|
|
slider.doMath();
|
|
slider.newSlides.css( { 'width': slider.computedW, 'float': 'left', 'display': 'block' } );
|
|
// SMOOTH HEIGHT
|
|
methods.smoothHeight();
|
|
}, ( type === 'init' ) ? 100 : 0 );
|
|
|
|
slider.slides.removeClass( namespace + 'active-slide' ).eq( slider.currentSlide ).addClass( namespace + 'active-slide' );
|
|
};
|
|
|
|
slider.doMath = function() {
|
|
var slide = slider.slides.first();
|
|
|
|
slider.w = ( slider.viewport===undefined ) ? slider.width() : slider.viewport.width();
|
|
slider.h = slide.height();
|
|
slider.boxPadding = slide.outerWidth() - slide.width();
|
|
|
|
slider.itemW = slider.w;
|
|
slider.pagingCount = slider.count;
|
|
slider.last = slider.count - 1;
|
|
slider.computedW = slider.itemW - slider.boxPadding;
|
|
};
|
|
|
|
slider.update = function( pos, action ) {
|
|
slider.doMath();
|
|
|
|
// Update currentSlide and slider.animatingTo if necessary.
|
|
if ( pos < slider.currentSlide ) {
|
|
slider.currentSlide += 1;
|
|
} else if ( pos <= slider.currentSlide && pos !== 0 ) {
|
|
slider.currentSlide -= 1;
|
|
}
|
|
slider.animatingTo = slider.currentSlide;
|
|
|
|
// Update controlNav.
|
|
if ( action === 'add' || slider.pagingCount > slider.controlNav.length ) {
|
|
methods.controlNav.update( 'add' );
|
|
} else if ( action === 'remove' || slider.pagingCount < slider.controlNav.length ) {
|
|
if ( slider.currentSlide > slider.last ) {
|
|
slider.currentSlide -= 1;
|
|
slider.animatingTo -= 1;
|
|
}
|
|
methods.controlNav.update( 'remove', slider.last );
|
|
}
|
|
// Update directionNav.
|
|
methods.directionNav.update();
|
|
};
|
|
|
|
// FeaturedSlider: initialize.
|
|
methods.init();
|
|
};
|
|
|
|
// Default settings.
|
|
$.featuredslider.defaults = {
|
|
namespace: 'slider-', // String: prefix string attached to the class of every element generated by the plugin.
|
|
selector: '.slides > li', // String: selector, must match a simple pattern.
|
|
animationSpeed: 600, // Integer: Set the speed of animations, in milliseconds.
|
|
controlsContainer: '', // jQuery Object/Selector: container navigation to append elements.
|
|
|
|
// Text labels.
|
|
prevText: featuredSliderDefaults.prevText, // String: Set the text for the "previous" directionNav item.
|
|
nextText: featuredSliderDefaults.nextText // String: Set the text for the "next" directionNav item.
|
|
};
|
|
|
|
// FeaturedSlider: plugin function.
|
|
$.fn.featuredslider = function( options ) {
|
|
if ( options === undefined ) {
|
|
options = {};
|
|
}
|
|
|
|
if ( typeof options === 'object' ) {
|
|
return this.each( function() {
|
|
var $this = $( this ),
|
|
selector = ( options.selector ) ? options.selector : '.slides > li',
|
|
$slides = $this.find( selector );
|
|
|
|
if ( $slides.length === 1 || $slides.length === 0 ) {
|
|
$slides.fadeIn( 400 );
|
|
} else if ( $this.data( 'featuredslider' ) === undefined ) {
|
|
new $.featuredslider( this, options );
|
|
}
|
|
} );
|
|
}
|
|
};
|
|
} )( jQuery );
|