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Diffstat (limited to 'lib/jquery.scrollTo.js')
| -rw-r--r-- | lib/jquery.scrollTo.js | 215 |
1 files changed, 2 insertions, 213 deletions
diff --git a/lib/jquery.scrollTo.js b/lib/jquery.scrollTo.js index b00ff972..901cb12c 100644 --- a/lib/jquery.scrollTo.js +++ b/lib/jquery.scrollTo.js @@ -1,218 +1,7 @@ -/*! - * jQuery.ScrollTo +/** * Copyright (c) 2007-2012 Ariel Flesler - aflesler(at)gmail(dot)com | http://flesler.blogspot.com * Dual licensed under MIT and GPL. - * Date: 12/14/2012 - * - * @projectDescription Easy element scrolling using jQuery. - * http://flesler.blogspot.com/2007/10/jqueryscrollto.html * @author Ariel Flesler * @version 1.4.5 BETA - * - * @id jQuery.scrollTo - * @id jQuery.fn.scrollTo - * @param {String, Number, DOMElement, jQuery, Object} target Where to scroll the matched elements. - * The different options for target are: - * - A number position (will be applied to all axes). - * - A string position ('44', '100px', '+=90', etc ) will be applied to all axes - * - A jQuery/DOM element ( logically, child of the element to scroll ) - * - A string selector, that will be relative to the element to scroll ( 'li:eq(2)', etc ) - * - A hash { top:x, left:y }, x and y can be any kind of number/string like above. - * - A percentage of the container's dimension/s, for example: 50% to go to the middle. - * - The string 'max' for go-to-end. - * @param {Number, Function} duration The OVERALL length of the animation, this argument can be the settings object instead. - * @param {Object,Function} settings Optional set of settings or the onAfter callback. - * @option {String} axis Which axis must be scrolled, use 'x', 'y', 'xy' or 'yx'. - * @option {Number, Function} duration The OVERALL length of the animation. - * @option {String} easing The easing method for the animation. - * @option {Boolean} margin If true, the margin of the target element will be deducted from the final position. - * @option {Object, Number} offset Add/deduct from the end position. One number for both axes or { top:x, left:y }. - * @option {Object, Number} over Add/deduct the height/width multiplied by 'over', can be { top:x, left:y } when using both axes. - * @option {Boolean} queue If true, and both axis are given, the 2nd axis will only be animated after the first one ends. - * @option {Function} onAfter Function to be called after the scrolling ends. - * @option {Function} onAfterFirst If queuing is activated, this function will be called after the first scrolling ends. - * @return {jQuery} Returns the same jQuery object, for chaining. - * - * @desc Scroll to a fixed position - * @example $('div').scrollTo( 340 ); - * - * @desc Scroll relatively to the actual position - * @example $('div').scrollTo( '+=340px', { axis:'y' } ); - * - * @desc Scroll using a selector (relative to the scrolled element) - * @example $('div').scrollTo( 'p.paragraph:eq(2)', 500, { easing:'swing', queue:true, axis:'xy' } ); - * - * @desc Scroll to a DOM element (same for jQuery object) - * @example var second_child = document.getElementById('container').firstChild.nextSibling; - * $('#container').scrollTo( second_child, { duration:500, axis:'x', onAfter:function(){ - * alert('scrolled!!'); - * }}); - * - * @desc Scroll on both axes, to different values - * @example $('div').scrollTo( { top: 300, left:'+=200' }, { axis:'xy', offset:-20 } ); */ - -;(function( $ ){ - - var $scrollTo = $.scrollTo = function( target, duration, settings ){ - $(window).scrollTo( target, duration, settings ); - }; - - $scrollTo.defaults = { - axis:'xy', - duration: parseFloat($.fn.jquery) >= 1.3 ? 0 : 1, - limit:true - }; - - // Returns the element that needs to be animated to scroll the window. - // Kept for backwards compatibility (specially for localScroll & serialScroll) - $scrollTo.window = function( scope ){ - return $(window)._scrollable(); - }; - - // Hack, hack, hack :) - // Returns the real elements to scroll (supports window/iframes, documents and regular nodes) - $.fn._scrollable = function(){ - return this.map(function(){ - var elem = this, - isWin = !elem.nodeName || $.inArray( elem.nodeName.toLowerCase(), ['iframe','#document','html','body'] ) != -1; - - if( !isWin ) - return elem; - - var doc = (elem.contentWindow || elem).document || elem.ownerDocument || elem; - - return /webkit/i.test(navigator.userAgent) || doc.compatMode == 'BackCompat' ? - doc.body : - doc.documentElement; - }); - }; - - $.fn.scrollTo = function( target, duration, settings ){ - if( typeof duration == 'object' ){ - settings = duration; - duration = 0; - } - if( typeof settings == 'function' ) - settings = { onAfter:settings }; - - if( target == 'max' ) - target = 9e9; - - settings = $.extend( {}, $scrollTo.defaults, settings ); - // Speed is still recognized for backwards compatibility - duration = duration || settings.duration; - // Make sure the settings are given right - settings.queue = settings.queue && settings.axis.length > 1; - - if( settings.queue ) - // Let's keep the overall duration - duration /= 2; - settings.offset = both( settings.offset ); - settings.over = both( settings.over ); - - return this._scrollable().each(function(){ - // Null target yields nothing, just like jQuery does - if (target == null) return; - - var elem = this, - $elem = $(elem), - targ = target, toff, attr = {}, - win = $elem.is('html,body'); - - switch( typeof targ ){ - // A number will pass the regex - case 'number': - case 'string': - if( /^([+-]=?)?\d+(\.\d+)?(px|%)?$/.test(targ) ){ - targ = both( targ ); - // We are done - break; - } - // Relative selector, no break! - targ = $(targ,this); - if (!targ.length) return; - case 'object': - // DOMElement / jQuery - if( targ.is || targ.style ) - // Get the real position of the target - toff = (targ = $(targ)).offset(); - } - $.each( settings.axis.split(''), function( i, axis ){ - var Pos = axis == 'x' ? 'Left' : 'Top', - pos = Pos.toLowerCase(), - key = 'scroll' + Pos, - old = elem[key], - max = $scrollTo.max(elem, axis); - - if( toff ){// jQuery / DOMElement - attr[key] = toff[pos] + ( win ? 0 : old - $elem.offset()[pos] ); - - // If it's a dom element, reduce the margin - if( settings.margin ){ - attr[key] -= parseInt(targ.css('margin'+Pos)) || 0; - attr[key] -= parseInt(targ.css('border'+Pos+'Width')) || 0; - } - - attr[key] += settings.offset[pos] || 0; - - if( settings.over[pos] ) - // Scroll to a fraction of its width/height - attr[key] += targ[axis=='x'?'width':'height']() * settings.over[pos]; - }else{ - var val = targ[pos]; - // Handle percentage values - attr[key] = val.slice && val.slice(-1) == '%' ? - parseFloat(val) / 100 * max - : val; - } - - // Number or 'number' - if( settings.limit && /^\d+$/.test(attr[key]) ) - // Check the limits - attr[key] = attr[key] <= 0 ? 0 : Math.min( attr[key], max ); - - // Queueing axes - if( !i && settings.queue ){ - // Don't waste time animating, if there's no need. - if( old != attr[key] ) - // Intermediate animation - animate( settings.onAfterFirst ); - // Don't animate this axis again in the next iteration. - delete attr[key]; - } - }); - - animate( settings.onAfter ); - - function animate( callback ){ - $elem.animate( attr, duration, settings.easing, callback && function(){ - callback.call(this, target, settings); - }); - }; - - }).end(); - }; - - // Max scrolling position, works on quirks mode - // It only fails (not too badly) on IE, quirks mode. - $scrollTo.max = function( elem, axis ){ - var Dim = axis == 'x' ? 'Width' : 'Height', - scroll = 'scroll'+Dim; - - if( !$(elem).is('html,body') ) - return elem[scroll] - $(elem)[Dim.toLowerCase()](); - - var size = 'client' + Dim, - html = elem.ownerDocument.documentElement, - body = elem.ownerDocument.body; - - return Math.max( html[scroll], body[scroll] ) - - Math.min( html[size] , body[size] ); - }; - - function both( val ){ - return typeof val == 'object' ? val : { top:val, left:val }; - }; - -})( jQuery );
\ No newline at end of file +;(function($){var h=$.scrollTo=function(a,b,c){$(window).scrollTo(a,b,c)};h.defaults={axis:'xy',duration:parseFloat($.fn.jquery)>=1.3?0:1,limit:true};h.window=function(a){return $(window)._scrollable()};$.fn._scrollable=function(){return this.map(function(){var a=this,isWin=!a.nodeName||$.inArray(a.nodeName.toLowerCase(),['iframe','#document','html','body'])!=-1;if(!isWin)return a;var b=(a.contentWindow||a).document||a.ownerDocument||a;return/webkit/i.test(navigator.userAgent)||b.compatMode=='BackCompat'?b.body:b.documentElement})};$.fn.scrollTo=function(e,f,g){if(typeof f=='object'){g=f;f=0}if(typeof g=='function')g={onAfter:g};if(e=='max')e=9e9;g=$.extend({},h.defaults,g);f=f||g.duration;g.queue=g.queue&&g.axis.length>1;if(g.queue)f/=2;g.offset=both(g.offset);g.over=both(g.over);return this._scrollable().each(function(){if(e==null)return;var d=this,$elem=$(d),targ=e,toff,attr={},win=$elem.is('html,body');switch(typeof targ){case'number':case'string':if(/^([+-]=?)?\d+(\.\d+)?(px|%)?$/.test(targ)){targ=both(targ);break}targ=$(targ,this);if(!targ.length)return;case'object':if(targ.is||targ.style)toff=(targ=$(targ)).offset()}$.each(g.axis.split(''),function(i,a){var b=a=='x'?'Left':'Top',pos=b.toLowerCase(),key='scroll'+b,old=d[key],max=h.max(d,a);if(toff){attr[key]=toff[pos]+(win?0:old-$elem.offset()[pos]);if(g.margin){attr[key]-=parseInt(targ.css('margin'+b))||0;attr[key]-=parseInt(targ.css('border'+b+'Width'))||0}attr[key]+=g.offset[pos]||0;if(g.over[pos])attr[key]+=targ[a=='x'?'width':'height']()*g.over[pos]}else{var c=targ[pos];attr[key]=c.slice&&c.slice(-1)=='%'?parseFloat(c)/100*max:c}if(g.limit&&/^\d+$/.test(attr[key]))attr[key]=attr[key]<=0?0:Math.min(attr[key],max);if(!i&&g.queue){if(old!=attr[key])animate(g.onAfterFirst);delete attr[key]}});animate(g.onAfter);function animate(a){$elem.animate(attr,f,g.easing,a&&function(){a.call(this,e,g)})}}).end()};h.max=function(a,b){var c=b=='x'?'Width':'Height',scroll='scroll'+c;if(!$(a).is('html,body'))return a[scroll]-$(a)[c.toLowerCase()]();var d='client'+c,html=a.ownerDocument.documentElement,body=a.ownerDocument.body;return Math.max(html[scroll],body[scroll])-Math.min(html[d],body[d])};function both(a){return typeof a=='object'?a:{top:a,left:a}}})(jQuery);
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