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2 lines
2.0 KiB
JavaScript
2 lines
2.0 KiB
JavaScript
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!function(e){function t(t,n){var a=e('<div class="numberedtextarea-wrapper"></div>').insertAfter(t);e(t).detach().appendTo(a)}function n(t,n){(t=e(t)).parents(".numberedtextarea-wrapper");var i=parseFloat(t.css("padding-left")),o=parseFloat(t.css("padding-top")),s=(parseFloat(t.css("padding-bottom")),e('<div class="numberedtextarea-line-numbers"></div>').insertAfter(t));t.css({paddingLeft:i+s.width()+"px"}).on("input propertychange change keyup paste",function(){a(t,n)}).on("scroll",function(){r(t,n)}),s.css({paddingLeft:i+"px",paddingTop:o+"px",lineHeight:t.css("line-height"),fontFamily:t.css("font-family"),width:s.width()-i+"px"}),t.trigger("change")}function a(t,n){var a=(t=e(t)).parent().find(".numberedtextarea-line-numbers"),r=t.val().split("\n").length,o=parseFloat(t.css("padding-bottom"));for(a.find(".numberedtextarea-number").remove(),i=1;i<=r;i++){var s=e('<div class="numberedtextarea-number numberedtextarea-number-'+i+'">'+i+"</div>").appendTo(a);i===r&&s.css("margin-bottom",o+"px")}}function r(t,n){(t=e(t)).parent().find(".numberedtextarea-line-numbers").scrollTop(t.scrollTop())}function o(e,t){if(e.focus(),"number"==typeof e.selectionStart){var n=e.value,a=e.selectionStart;e.value=n.slice(0,a)+t+n.slice(e.selectionEnd),e.selectionEnd=e.selectionStart=a+t.length}else if(void 0!==document.selection){var i=document.selection.createRange();i.text=t,i.collapse(!1),i.select()}}function s(t){e(t).keydown(function(e){if(9==e.which)return o(this,"\t"),!1}),e(t).keypress(function(e){if(9==e.which)return!1})}e.fn.numberedtextarea=function(a){var i=e.extend({color:null,borderColor:null,class:null,allowTabChar:!1},a);return this.each(function(){if("textarea"!==this.nodeName.toLowerCase())return console.log("This is not a <textarea>, so no way Jose..."),!1;t(this,i),n(this,i),i.allowTabChar&&e(this).allowTabChar()}),this},e.fn.allowTabChar=function(){return this.jquery&&this.each(function(){if(1==this.nodeType){var e=this.nodeName.toLowerCase();("textarea"==e||"input"==e&&"text"==this.type)&&s(this)}}),this}}(jQuery);
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