mirror of
https://github.com/friendica/friendica
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8 lines
3.3 KiB
JavaScript
8 lines
3.3 KiB
JavaScript
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(function(c){function g(b,a){this.element=b;this.options=c.extend({},h,a);c(this.element).data("max-height",this.options.maxHeight);c(this.element).data("height-margin",this.options.heightMargin);delete this.options.maxHeight;if(this.options.embedCSS&&!k){var d=".readmore-js-toggle, .readmore-js-section { "+this.options.sectionCSS+" } .readmore-js-section { overflow: hidden; }",e=document.createElement("style");e.type="text/css";e.styleSheet?e.styleSheet.cssText=d:e.appendChild(document.createTextNode(d));
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document.getElementsByTagName("head")[0].appendChild(e);k=!0}this._defaults=h;this._name=f;this.init()}var f="readmore",h={speed:100,maxHeight:200,heightMargin:16,moreLink:'<a href="#">Read More</a>',lessLink:'<a href="#">Close</a>',embedCSS:!0,sectionCSS:"display: block; width: 100%;",startOpen:!1,expandedClass:"readmore-js-expanded",collapsedClass:"readmore-js-collapsed",beforeToggle:function(){},afterToggle:function(){}},k=!1;g.prototype={init:function(){var b=this;c(this.element).each(function(){var a=
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c(this),d=a.css("max-height").replace(/[^-\d\.]/g,"")>a.data("max-height")?a.css("max-height").replace(/[^-\d\.]/g,""):a.data("max-height"),e=a.data("height-margin");"none"!=a.css("max-height")&&a.css("max-height","none");b.setBoxHeight(a);if(a.outerHeight(!0)<=d+e)return!0;a.addClass("readmore-js-section "+b.options.collapsedClass).data("collapsedHeight",d);a.after(c(b.options.startOpen?b.options.lessLink:b.options.moreLink).on("click",function(c){b.toggleSlider(this,a,c)}).addClass("readmore-js-toggle"));
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b.options.startOpen||a.css({height:d})});c(window).on("resize",function(a){b.resizeBoxes()})},toggleSlider:function(b,a,d){d.preventDefault();var e=this;d=newLink=sectionClass="";var f=!1;d=c(a).data("collapsedHeight");c(a).height()<=d?(d=c(a).data("expandedHeight")+"px",newLink="lessLink",f=!0,sectionClass=e.options.expandedClass):(newLink="moreLink",sectionClass=e.options.collapsedClass);e.options.beforeToggle(b,a,f);c(a).animate({height:d},{duration:e.options.speed,complete:function(){e.options.afterToggle(b,
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a,f);c(b).replaceWith(c(e.options[newLink]).on("click",function(b){e.toggleSlider(this,a,b)}).addClass("readmore-js-toggle"));c(this).removeClass(e.options.collapsedClass+" "+e.options.expandedClass).addClass(sectionClass)}})},setBoxHeight:function(b){var a=b.clone().css({height:"auto",width:b.width(),overflow:"hidden"}).insertAfter(b),c=a.outerHeight(!0);a.remove();b.data("expandedHeight",c)},resizeBoxes:function(){var b=this;c(".readmore-js-section").each(function(){var a=c(this);b.setBoxHeight(a);
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(a.height()>a.data("expandedHeight")||a.hasClass(b.options.expandedClass)&&a.height()<a.data("expandedHeight"))&&a.css("height",a.data("expandedHeight"))})},destroy:function(){var b=this;c(this.element).each(function(){var a=c(this);a.removeClass("readmore-js-section "+b.options.collapsedClass+" "+b.options.expandedClass).css({"max-height":"",height:"auto"}).next(".readmore-js-toggle").remove();a.removeData()})}};c.fn[f]=function(b){var a=arguments;if(void 0===b||"object"===typeof b)return this.each(function(){if(c.data(this,
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"plugin_"+f)){var a=c.data(this,"plugin_"+f);a.destroy.apply(a)}c.data(this,"plugin_"+f,new g(this,b))});if("string"===typeof b&&"_"!==b[0]&&"init"!==b)return this.each(function(){var d=c.data(this,"plugin_"+f);d instanceof g&&"function"===typeof d[b]&&d[b].apply(d,Array.prototype.slice.call(a,1))})}})(jQuery);
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