jquery.expander.min.js

/*!
 * jQuery Expander Plugin v1.4
 *
 * Date: Sun Dec 11 15:08:42 2011 EST
 * Requires: jQuery v1.3+
 *
 * Copyright 2011, Karl Swedberg
 * Dual licensed under the MIT and GPL licenses (just like jQuery):
 * http://www.opensource.org/licenses/mit-license.php
 * http://www.gnu.org/licenses/gpl.html
 *
 *
 *
 *
*/
(function(d){d.expander={version:"1.4",defaults:{slicePoint:100,preserveWords:true,widow:4,expandText:"read more",expandPrefix:"… ",expandAfterSummary:false,summaryClass:"summary",detailClass:"details",moreClass:"read-more",lessClass:"read-less",collapseTimer:0,expandEffect:"fadeIn",expandSpeed:250,collapseEffect:"fadeOut",collapseSpeed:200,userCollapse:true,userCollapseText:"read less",userCollapsePrefix:" ",onSlice:null,beforeExpand:null,afterExpand:null,onCollapse:null}};d.fn.expander=function(k){function H(a,
c){var g="span",h=a.summary;if(c){g="div";if(w.test(h)&&!a.expandAfterSummary)h=h.replace(w,a.moreLabel+"$1");else h+=a.moreLabel;h='<div class="'+a.summaryClass+'">'+h+"</div>"}else h+=a.moreLabel;return[h,"<",g+' class="'+a.detailClass+'"',">",a.details,"</"+g+">"].join("")}function I(a){var c='<span class="'+a.moreClass+'">'+a.expandPrefix;c+='<a href="#">'+a.expandText+"</a></span>";return c}function x(a,c){if(a.lastIndexOf("<")>a.lastIndexOf(">"))a=a.slice(0,a.lastIndexOf("<"));if(c)a=a.replace(J,
"");return a}function y(a,c){c.stop(true,true)[a.collapseEffect](a.collapseSpeed,function(){c.prev("span."+a.moreClass).show().length||c.parent().children("div."+a.summaryClass).show().find("span."+a.moreClass).show()})}function K(a,c,g){if(a.collapseTimer)z=setTimeout(function(){y(a,c);d.isFunction(a.onCollapse)&&a.onCollapse.call(g,false)},a.collapseTimer)}var u="init";if(typeof k=="string"){u=k;k={}}var r=d.extend({},d.expander.defaults,k),L=/^<(?:area|br|col|embed|hr|img|input|link|meta|param).*>$/i,
J=/(&(?:[^;]+;)?|\w+)$/,M=/<\/?(\w+)[^>]*>/g,A=/<(\w+)[^>]*>/g,B=/<\/(\w+)>/g,w=/(<\/[^>]+>)\s*$/,N=/^<[^>]+>.?/,z;k={init:function(){this.each(function(){var a,c,g,h,l,n,v,C=[],s=[],o={},p=this,f=d(this),D=d([]),b=d.meta?d.extend({},r,f.data()):r,O=!!f.find("."+b.detailClass).length,q=!!f.find("*").filter(function(){return/^block|table|list/.test(d(this).css("display"))}).length,t=(q?"div":"span")+"."+b.detailClass,E="span."+b.moreClass,P=b.expandSpeed||0,m=d.trim(f.html());d.trim(f.text());var e=
m.slice(0,b.slicePoint);if(!d.data(this,"expander")){d.data(this,"expander",true);d.each(["onSlice","beforeExpand","afterExpand","onCollapse"],function(i,j){o[j]=d.isFunction(b[j])});e=x(e);for(summTagless=e.replace(M,"").length;summTagless<b.slicePoint;){newChar=m.charAt(e.length);if(newChar=="<")newChar=m.slice(e.length).match(N)[0];e+=newChar;summTagless++}e=x(e,b.preserveWords);h=e.match(A)||[];l=e.match(B)||[];g=[];d.each(h,function(i,j){L.test(j)||g.push(j)});h=g;c=l.length;for(a=0;a<c;a++)l[a]=
l[a].replace(B,"$1");d.each(h,function(i,j){var F=j.replace(A,"$1"),G=d.inArray(F,l);if(G===-1){C.push(j);s.push("</"+F+">")}else l.splice(G,1)});s.reverse();if(O){c=f.find(t).remove().html();e=f.html();m=e+c;a=""}else{c=m.slice(e.length);if(c===""||c.split(/\s+/).length<b.widow)return;a=s.pop()||"";e+=s.join("");c=C.join("")+c}b.moreLabel=f.find(E).length?"":I(b);if(q)c=m;e+=a;b.summary=e;b.details=c;b.lastCloseTag=a;if(o.onSlice)b=(g=b.onSlice.call(p,b))&&g.details?g:b;q=H(b,q);f.html(q);n=f.find(t);
v=f.find(E);n.hide();v.find("a").unbind("click.expander").bind("click.expander",function(i){i.preventDefault();v.hide();D.hide();o.beforeExpand&&b.beforeExpand.call(p);n.stop(false,true)[b.expandEffect](P,function(){n.css({zoom:""});o.afterExpand&&b.afterExpand.call(p);K(b,n,p)})});D=f.find("div."+b.summaryClass);b.userCollapse&&!f.find("span."+b.lessClass).length&&f.find(t).append('<span class="'+b.lessClass+'">'+b.userCollapsePrefix+'<a href="#">'+b.userCollapseText+"</a></span>");f.find("span."+
b.lessClass+" a").unbind("click.expander").bind("click.expander",function(i){i.preventDefault();clearTimeout(z);i=d(this).closest(t);y(b,i);o.onCollapse&&b.onCollapse.call(p,true)})}})},destroy:function(){if(this.data("expander")){this.removeData("expander");this.each(function(){var a=d(this),c=d.meta?d.extend({},r,a.data()):r,g=a.find("."+c.detailClass).contents();a.find("."+c.moreClass).remove();a.find("."+c.summaryClass).remove();a.find("."+c.detailClass).after(g).remove();a.find("."+c.lessClass).remove()})}}};
k[u]&&k[u].call(this);return this};d.fn.expander.defaults=d.expander.defaults})(jQuery);