shiziyu18/resource/js/lib/jquery.wookmark.min.js

/*!
jQuery wookmark plugin
@name jquery.wookmark.js
@author Christoph Ono (chri@sto.ph or @gbks)
@author Sebastian Helzle (sebastian@helzle.net or @sebobo)
@version 1.4.8
@date 07/08/2014
@category jQuery plugin
@copyright (c) 2009-2014 Christoph Ono (www.wookmark.com)
@license Licensed under the MIT (http://www.opensource.org/licenses/mit-license.php) license.
*/
(function(t){"function"==typeof define&&define.amd&&false?define(["jquery"],t):t(jQuery)})(function(t){function i(t){n(function(){var i,e;for(i=0;t.length>i;i++)e=t[i],e.obj.css(e.css)})}function e(i){return t.trim(i).toLowerCase()}var s,h,o;o=function(t,i){return function(){return t.apply(i,arguments)}},h={align:"center",autoResize:!1,comparator:null,container:t("body"),direction:void 0,ignoreInactiveItems:!0,itemWidth:0,fillEmptySpace:!1,flexibleWidth:0,offset:2,outerOffset:0,onLayoutChanged:void 0,possibleFilters:[],resizeDelay:50,verticalOffset:void 0};var n=window.requestAnimationFrame||function(t){t()},r=t(window);s=function(){function s(i,e){this.handler=i,this.columns=this.containerWidth=this.resizeTimer=null,this.activeItemCount=0,this.itemHeightsDirty=!0,this.placeholders=[],t.extend(!0,this,h,e),this.verticalOffset=this.verticalOffset||this.offset,this.update=o(this.update,this),this.onResize=o(this.onResize,this),this.onRefresh=o(this.onRefresh,this),this.getItemWidth=o(this.getItemWidth,this),this.layout=o(this.layout,this),this.layoutFull=o(this.layoutFull,this),this.layoutColumns=o(this.layoutColumns,this),this.filter=o(this.filter,this),this.clear=o(this.clear,this),this.getActiveItems=o(this.getActiveItems,this),this.refreshPlaceholders=o(this.refreshPlaceholders,this),this.sortElements=o(this.sortElements,this),this.updateFilterClasses=o(this.updateFilterClasses,this),this.updateFilterClasses(),this.autoResize&&r.bind("resize.wookmark",this.onResize),this.container.bind("refreshWookmark",this.onRefresh)}return s.prototype.updateFilterClasses=function(){for(var t,i,s,h,o=0,n=0,r=0,a={},l=this.possibleFilters;this.handler.length>o;o++)if(i=this.handler.eq(o),t=i.data("filterClass"),"object"==typeof t&&t.length>0)for(n=0;t.length>n;n++)s=e(t[n]),a[s]===void 0&&(a[s]=[]),a[s].push(i[0]);for(;l.length>r;r++)h=e(l[r]),h in a||(a[h]=[]);this.filterClasses=a},s.prototype.update=function(i){this.itemHeightsDirty=!0,t.extend(!0,this,i)},s.prototype.onResize=function(){clearTimeout(this.resizeTimer),this.itemHeightsDirty=0!==this.flexibleWidth,this.resizeTimer=setTimeout(this.layout,this.resizeDelay)},s.prototype.onRefresh=function(){this.itemHeightsDirty=!0,this.layout()},s.prototype.filter=function(i,s,h){var o,n,r,a,l,f=[],u=t();if(i=i||[],s=s||"or",h=h||!1,i.length){for(n=0;i.length>n;n++)l=e(i[n]),l in this.filterClasses&&f.push(this.filterClasses[l]);if(o=f.length,"or"==s||1==o)for(n=0;o>n;n++)u=u.add(f[n]);else if("and"==s){var c,d,m,p=f[0],g=!0;for(n=1;o>n;n++)f[n].length<p.length&&(p=f[n]);for(p=p||[],n=0;p.length>n;n++){for(d=p[n],g=!0,r=0;f.length>r&&g;r++)if(m=f[r],p!=m){for(a=0,c=!1;m.length>a&&!c;a++)c=m[a]==d;g&=c}g&&u.push(p[n])}}h||this.handler.not(u).addClass("inactive")}else u=this.handler;return h||(u.removeClass("inactive"),this.columns=null,this.layout()),u},s.prototype.refreshPlaceholders=function(i,e){for(var s,h,o,n,r,a,l=this.placeholders.length,f=this.columns.length,u=this.container.innerHeight();f>l;l++)s=t('<div class="wookmark-placeholder"/>').appendTo(this.container),this.placeholders.push(s);for(a=this.offset+2*parseInt(this.placeholders[0].css("borderLeftWidth"),10),l=0;this.placeholders.length>l;l++)if(s=this.placeholders[l],o=this.columns[l],l>=f||!o[o.length-1])s.css("display","none");else{if(h=o[o.length-1],!h)continue;r=h.data("wookmark-top")+h.data("wookmark-height")+this.verticalOffset,n=u-r-a,s.css({position:"absolute",display:n>0?"block":"none",left:l*i+e,top:r,width:i-a,height:n})}},s.prototype.getActiveItems=function(){return this.ignoreInactiveItems?this.handler.not(".inactive"):this.handler},s.prototype.getItemWidth=function(){var t=this.itemWidth,i=this.container.width()-2*this.outerOffset,e=this.handler.eq(0),s=this.flexibleWidth;if(void 0===this.itemWidth||0===this.itemWidth&&!this.flexibleWidth?t=e.outerWidth():"string"==typeof this.itemWidth&&this.itemWidth.indexOf("%")>=0&&(t=parseFloat(this.itemWidth)/100*i),s){"string"==typeof s&&s.indexOf("%")>=0&&(s=parseFloat(s)/100*i);var h=i+this.offset,o=~~(.5+h/(s+this.offset)),n=~~(h/(t+this.offset)),r=Math.max(o,n),a=Math.min(s,~~((i-(r-1)*this.offset)/r));t=Math.max(t,a),this.handler.css("width",t)}return t},s.prototype.layout=function(t){if(this.container.is(":visible")){var i,e=this.getItemWidth()+this.offset,s=this.container.width(),h=s-2*this.outerOffset,o=~~((h+this.offset)/e),n=0,r=0,a=0,l=this.getActiveItems(),f=l.length;if(this.itemHeightsDirty||!this.container.data("itemHeightsInitialized")){for(;f>a;a++)i=l.eq(a),i.data("wookmark-height",i.outerHeight());this.itemHeightsDirty=!1,this.container.data("itemHeightsInitialized",!0)}o=Math.max(1,Math.min(o,f)),n=this.outerOffset,"center"==this.align&&(n+=~~(.5+(h-(o*e-this.offset))>>1)),this.direction=this.direction||("right"==this.align?"right":"left"),r=t||null===this.columns||this.columns.length!=o||this.activeItemCount!=f?this.layoutFull(e,o,n):this.layoutColumns(e,n),this.activeItemCount=f,this.container.css("height",r),this.fillEmptySpace&&this.refreshPlaceholders(e,n),void 0!==this.onLayoutChanged&&"function"==typeof this.onLayoutChanged&&this.onLayoutChanged()}},s.prototype.sortElements=function(t){return"function"==typeof this.comparator?t.sort(this.comparator):t},s.prototype.layoutFull=function(e,s,h){var o,n,r=0,a=0,l=t.makeArray(this.getActiveItems()),f=l.length,u=null,c=null,d=[],m=[],p="left"==this.align?!0:!1;for(this.columns=[],l=this.sortElements(l);s>d.length;)d.push(this.outerOffset),this.columns.push([]);for(;f>r;r++){for(o=t(l[r]),u=d[0],c=0,a=0;s>a;a++)u>d[a]&&(u=d[a],c=a);o.data("wookmark-top",u),n=h,(c>0||!p)&&(n+=c*e),(m[r]={obj:o,css:{position:"absolute",top:u}}).css[this.direction]=n,d[c]+=o.data("wookmark-height")+this.verticalOffset,this.columns[c].push(o)}return i(m),Math.max.apply(Math,d)},s.prototype.layoutColumns=function(t,e){for(var s,h,o,n,r=[],a=[],l=0,f=0,u=0;this.columns.length>l;l++){for(r.push(this.outerOffset),h=this.columns[l],n=l*t+e,s=r[l],f=0;h.length>f;f++,u++)o=h[f].data("wookmark-top",s),(a[u]={obj:o,css:{top:s}}).css[this.direction]=n,s+=o.data("wookmark-height")+this.verticalOffset;r[l]=s}return i(a),Math.max.apply(Math,r)},s.prototype.clear=function(){clearTimeout(this.resizeTimer),r.unbind("resize.wookmark",this.onResize),this.container.unbind("refreshWookmark",this.onRefresh),this.handler.wookmarkInstance=null},s}(),t.fn.wookmark=function(t){return this.wookmarkInstance?this.wookmarkInstance.update(t||{}):this.wookmarkInstance=new s(this,t||{}),this.wookmarkInstance.layout(!0),this.show()}});