Team:CityU HK/lablog/project1.js
From 2014.igem.org
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- | /* | + | (function( window, $, undefined ) { |
- | + | ||
- | + | /* | |
- | + | * smartresize: debounced resize event for jQuery | |
- | + | * | |
- | + | * latest version and complete README available on Github: | |
- | + | * https://github.com/louisremi/jquery.smartresize.js | |
- | + | * | |
- | + | * Copyright 2011 @louis_remi | |
- | + | * Licensed under the MIT license. | |
- | + | */ | |
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- | */ | + | |
- | + | var $event = $.event, resizeTimeout; | |
- | + | ||
- | + | $event.special.smartresize = { | |
- | + | setup: function() { | |
- | + | $(this).bind( "resize", $event.special.smartresize.handler ); | |
- | + | }, | |
- | + | teardown: function() { | |
- | + | $(this).unbind( "resize", $event.special.smartresize.handler ); | |
- | + | }, | |
- | + | handler: function( event, execAsap ) { | |
- | + | // Save the context | |
- | + | var context = this, | |
- | + | args = arguments; | |
- | + | ||
- | + | // set correct event type | |
- | + | event.type = "smartresize"; | |
- | + | ||
- | + | if ( resizeTimeout ) { clearTimeout( resizeTimeout ); } | |
- | + | resizeTimeout = setTimeout(function() { | |
- | + | jQuery.event.handle.apply( context, args ); | |
- | + | }, execAsap === "execAsap"? 0 : 100 ); | |
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} | } | ||
- | } | + | }; |
- | + | ||
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- | + | ||
- | / | + | $.fn.smartresize = function( fn ) { |
- | + | return fn ? this.bind( "smartresize", fn ) : this.trigger( "smartresize", ["execAsap"] ); | |
- | + | }; | |
- | + | ||
- | + | $.Accordion = function( options, element ) { | |
- | + | ||
- | + | this.$el = $( element ); | |
- | + | // list items | |
- | + | this.$items = this.$el.children('ul').children('li'); | |
- | + | // total number of items | |
- | + | this.itemsCount = this.$items.length; | |
- | + | ||
- | + | // initialize accordion | |
- | + | this._init( options ); | |
- | + | ||
- | + | }; | |
- | + | ||
- | + | $.Accordion.defaults = { | |
- | + | // index of opened item. -1 means all are closed by default. | |
- | + | open : -1, | |
- | + | // if set to true, only one item can be opened. Once one item is opened, any other that is opened will be closed first | |
- | + | oneOpenedItem : false, | |
- | + | // speed of the open / close item animation | |
- | + | speed : 600, | |
- | + | // easing of the open / close item animation | |
- | + | easing : 'easeInOutExpo', | |
- | + | // speed of the scroll to action animation | |
- | + | scrollSpeed : 900, | |
- | + | // easing of the scroll to action animation | |
- | + | scrollEasing : 'easeInOutExpo' | |
- | + | }; | |
- | + | ||
+ | $.Accordion.prototype = { | ||
+ | _init : function( options ) { | ||
+ | |||
+ | this.options = $.extend( true, {}, $.Accordion.defaults, options ); | ||
+ | |||
+ | // validate options | ||
+ | this._validate(); | ||
+ | |||
+ | // current is the index of the opened item | ||
+ | this.current = this.options.open; | ||
+ | |||
+ | // hide the contents so we can fade it in afterwards | ||
+ | this.$items.find('div.st-content').hide(); | ||
+ | |||
+ | // save original height and top of each item | ||
+ | this._saveDimValues(); | ||
+ | |||
+ | // if we want a default opened item... | ||
+ | if( this.current != -1 ) | ||
+ | this._toggleItem( this.$items.eq( this.current ) ); | ||
+ | |||
+ | // initialize the events | ||
+ | this._initEvents(); | ||
+ | |||
+ | }, | ||
+ | _saveDimValues : function() { | ||
+ | |||
+ | this.$items.each( function() { | ||
+ | |||
+ | var $item = $(this); | ||
+ | |||
+ | $item.data({ | ||
+ | originalHeight : $item.find('a:first').height(), | ||
+ | offsetTop : $item.offset().top | ||
+ | }); | ||
+ | |||
+ | }); | ||
+ | |||
+ | }, | ||
+ | // validate options | ||
+ | _validate : function() { | ||
+ | |||
+ | // open must be between -1 and total number of items, otherwise we set it to -1 | ||
+ | if( this.options.open < -1 || this.options.open > this.itemsCount - 1 ) | ||
+ | this.options.open = -1; | ||
+ | |||
+ | }, | ||
+ | _initEvents : function() { | ||
+ | |||
+ | var instance = this; | ||
+ | |||
+ | // open / close item | ||
+ | this.$items.find('a:first').bind('click.accordion', function( event ) { | ||
+ | |||
+ | var $item = $(this).parent(); | ||
+ | |||
+ | // close any opened item if oneOpenedItem is true | ||
+ | if( instance.options.oneOpenedItem && instance._isOpened() && instance.current!== $item.index() ) { | ||
+ | |||
+ | instance._toggleItem( instance.$items.eq( instance.current ) ); | ||
+ | |||
+ | } | ||
+ | |||
+ | // open / close item | ||
+ | instance._toggleItem( $item ); | ||
+ | |||
+ | return false; | ||
+ | |||
+ | }); | ||
+ | |||
+ | $(window).bind('smartresize.accordion', function( event ) { | ||
+ | |||
+ | // reset orinal item values | ||
+ | instance._saveDimValues(); | ||
+ | |||
+ | // reset the content's height of any item that is currently opened | ||
+ | instance.$el.find('li.st-open').each( function() { | ||
+ | |||
+ | var $this = $(this); | ||
+ | $this.css( 'height', $this.data( 'originalHeight' ) + $this.find('div.st-content').outerHeight( true ) ); | ||
+ | |||
+ | }); | ||
+ | |||
+ | // scroll to current | ||
+ | if( instance._isOpened() ) | ||
+ | instance._scroll(); | ||
+ | |||
+ | }); | ||
+ | |||
+ | }, | ||
+ | // checks if there is any opened item | ||
+ | _isOpened : function() { | ||
+ | |||
+ | return ( this.$el.find('li.st-open').length > 0 ); | ||
+ | |||
+ | }, | ||
+ | // open / close item | ||
+ | _toggleItem : function( $item ) { | ||
+ | |||
+ | var $content = $item.find('div.st-content'); | ||
+ | |||
+ | ( $item.hasClass( 'st-open' ) ) | ||
+ | |||
+ | ? ( this.current = -1, $content.stop(true, true).fadeOut( this.options.speed ), $item.removeClass( 'st-open' ).stop().animate({ | ||
+ | height : $item.data( 'originalHeight' ) | ||
+ | }, this.options.speed, this.options.easing ) ) | ||
+ | |||
+ | : ( this.current = $item.index(), $content.stop(true, true).fadeIn( this.options.speed ), $item.addClass( 'st-open' ).stop().animate({ | ||
+ | height : $item.data( 'originalHeight' ) + $content.outerHeight( true ) | ||
+ | }, this.options.speed, this.options.easing ), this._scroll( this ) ) | ||
+ | |||
+ | }, | ||
+ | // scrolls to current item or last opened item if current is -1 | ||
+ | _scroll : function( instance ) { | ||
+ | |||
+ | var instance = instance || this, current; | ||
+ | |||
+ | ( instance.current !== -1 ) ? current = instance.current : current = instance.$el.find('li.st-open:last').index(); | ||
+ | |||
+ | $('html, body').stop().animate({ | ||
+ | scrollTop : ( instance.options.oneOpenedItem ) ? instance.$items.eq( current ).data( 'offsetTop' ) : instance.$items.eq( current ).offset().top | ||
+ | }, instance.options.scrollSpeed, instance.options.scrollEasing ); | ||
+ | |||
+ | } | ||
+ | }; | ||
+ | |||
+ | var logError = function( message ) { | ||
+ | |||
+ | if ( this.console ) { | ||
+ | |||
+ | console.error( message ); | ||
+ | |||
+ | } | ||
+ | |||
+ | }; | ||
+ | |||
+ | $.fn.accordion = function( options ) { | ||
+ | |||
+ | if ( typeof options === 'string' ) { | ||
+ | |||
+ | var args = Array.prototype.slice.call( arguments, 1 ); | ||
+ | |||
+ | this.each(function() { | ||
+ | |||
+ | var instance = $.data( this, 'accordion' ); | ||
+ | |||
+ | if ( !instance ) { | ||
+ | logError( "cannot call methods on accordion prior to initialization; " + | ||
+ | "attempted to call method '" + options + "'" ); | ||
+ | return; | ||
+ | } | ||
+ | |||
+ | if ( !$.isFunction( instance[options] ) || options.charAt(0) === "_" ) { | ||
+ | logError( "no such method '" + options + "' for accordion instance" ); | ||
+ | return; | ||
+ | } | ||
+ | |||
+ | instance[ options ].apply( instance, args ); | ||
+ | |||
+ | }); | ||
+ | |||
+ | } | ||
+ | else { | ||
+ | |||
+ | this.each(function() { | ||
+ | var instance = $.data( this, 'accordion' ); | ||
+ | if ( !instance ) { | ||
+ | $.data( this, 'accordion', new $.Accordion( options, this ) ); | ||
+ | } | ||
+ | }); | ||
+ | |||
+ | } | ||
+ | |||
+ | return this; | ||
+ | |||
+ | }; | ||
+ | |||
+ | })( window, jQuery ); |
Latest revision as of 14:20, 10 September 2014
(function( window, $, undefined ) {
/* * smartresize: debounced resize event for jQuery * * latest version and complete README available on Github: * https://github.com/louisremi/jquery.smartresize.js * * Copyright 2011 @louis_remi * Licensed under the MIT license. */
var $event = $.event, resizeTimeout;
$event.special.smartresize = { setup: function() { $(this).bind( "resize", $event.special.smartresize.handler ); }, teardown: function() { $(this).unbind( "resize", $event.special.smartresize.handler ); }, handler: function( event, execAsap ) { // Save the context var context = this, args = arguments;
// set correct event type event.type = "smartresize";
if ( resizeTimeout ) { clearTimeout( resizeTimeout ); } resizeTimeout = setTimeout(function() { jQuery.event.handle.apply( context, args ); }, execAsap === "execAsap"? 0 : 100 ); } };
$.fn.smartresize = function( fn ) { return fn ? this.bind( "smartresize", fn ) : this.trigger( "smartresize", ["execAsap"] ); };
$.Accordion = function( options, element ) {
this.$el = $( element ); // list items this.$items = this.$el.children('ul').children('li'); // total number of items this.itemsCount = this.$items.length;
// initialize accordion this._init( options );
};
$.Accordion.defaults = { // index of opened item. -1 means all are closed by default. open : -1, // if set to true, only one item can be opened. Once one item is opened, any other that is opened will be closed first oneOpenedItem : false, // speed of the open / close item animation speed : 600, // easing of the open / close item animation easing : 'easeInOutExpo', // speed of the scroll to action animation scrollSpeed : 900, // easing of the scroll to action animation scrollEasing : 'easeInOutExpo'
};
$.Accordion.prototype = { _init : function( options ) {
this.options = $.extend( true, {}, $.Accordion.defaults, options );
// validate options this._validate();
// current is the index of the opened item this.current = this.options.open;
// hide the contents so we can fade it in afterwards this.$items.find('div.st-content').hide();
// save original height and top of each item this._saveDimValues();
// if we want a default opened item... if( this.current != -1 ) this._toggleItem( this.$items.eq( this.current ) );
// initialize the events this._initEvents();
}, _saveDimValues : function() {
this.$items.each( function() {
var $item = $(this);
$item.data({ originalHeight : $item.find('a:first').height(), offsetTop : $item.offset().top });
});
}, // validate options _validate : function() {
// open must be between -1 and total number of items, otherwise we set it to -1 if( this.options.open < -1 || this.options.open > this.itemsCount - 1 ) this.options.open = -1;
}, _initEvents : function() {
var instance = this;
// open / close item this.$items.find('a:first').bind('click.accordion', function( event ) {
var $item = $(this).parent();
// close any opened item if oneOpenedItem is true if( instance.options.oneOpenedItem && instance._isOpened() && instance.current!== $item.index() ) {
instance._toggleItem( instance.$items.eq( instance.current ) );
}
// open / close item instance._toggleItem( $item );
return false;
});
$(window).bind('smartresize.accordion', function( event ) {
// reset orinal item values instance._saveDimValues();
// reset the content's height of any item that is currently opened instance.$el.find('li.st-open').each( function() {
var $this = $(this); $this.css( 'height', $this.data( 'originalHeight' ) + $this.find('div.st-content').outerHeight( true ) );
});
// scroll to current if( instance._isOpened() ) instance._scroll();
});
}, // checks if there is any opened item _isOpened : function() {
return ( this.$el.find('li.st-open').length > 0 );
}, // open / close item _toggleItem : function( $item ) {
var $content = $item.find('div.st-content');
( $item.hasClass( 'st-open' ) )
? ( this.current = -1, $content.stop(true, true).fadeOut( this.options.speed ), $item.removeClass( 'st-open' ).stop().animate({ height : $item.data( 'originalHeight' ) }, this.options.speed, this.options.easing ) )
: ( this.current = $item.index(), $content.stop(true, true).fadeIn( this.options.speed ), $item.addClass( 'st-open' ).stop().animate({ height : $item.data( 'originalHeight' ) + $content.outerHeight( true ) }, this.options.speed, this.options.easing ), this._scroll( this ) )
}, // scrolls to current item or last opened item if current is -1 _scroll : function( instance ) {
var instance = instance || this, current;
( instance.current !== -1 ) ? current = instance.current : current = instance.$el.find('li.st-open:last').index();
$('html, body').stop().animate({ scrollTop : ( instance.options.oneOpenedItem ) ? instance.$items.eq( current ).data( 'offsetTop' ) : instance.$items.eq( current ).offset().top }, instance.options.scrollSpeed, instance.options.scrollEasing );
} };
var logError = function( message ) {
if ( this.console ) {
console.error( message );
}
};
$.fn.accordion = function( options ) {
if ( typeof options === 'string' ) {
var args = Array.prototype.slice.call( arguments, 1 );
this.each(function() {
var instance = $.data( this, 'accordion' );
if ( !instance ) { logError( "cannot call methods on accordion prior to initialization; " + "attempted to call method '" + options + "'" ); return; }
if ( !$.isFunction( instance[options] ) || options.charAt(0) === "_" ) { logError( "no such method '" + options + "' for accordion instance" ); return; }
instance[ options ].apply( instance, args );
});
} else {
this.each(function() { var instance = $.data( this, 'accordion' ); if ( !instance ) { $.data( this, 'accordion', new $.Accordion( options, this ) ); } });
}
return this;
};
})( window, jQuery );