jquery.highlighttextarea.min.js

/*!
 * jQuery highlightTextarea 3.1.3
 * Copyright 2014-2016 Damien "Mistic" Sorel (http://www.strangeplanet.fr)
 * Licensed under MIT (http://opensource.org/licenses/MIT)
 */
!function(a){"use strict";var b=function(a){return!isNaN(parseFloat(a))&&isFinite(a)},c=function(b,e){this.settings=a.extend({},c.DEFAULTS),this.scrollbarWidth=d.getScrollbarWidth(),this.isInput="input"==b[0].tagName.toLowerCase(),this.active=!1,this.matches=[],this.$el=b,this.$el.wrap('<div class="highlightTextarea"></div>'),this.$main=this.$el.parent(),this.$main.prepend('<div class="highlightTextarea-container"><div class="highlightTextarea-highlighter"></div></div>'),this.$container=this.$main.children().first(),this.$highlighter=this.$container.children(),this.setOptions(e),this.settings.id&&(this.$main[0].id=this.settings.id),this.settings.resizable&&this.applyResizable(),this.updateCss(),this.bindEvents(),this.highlight()};c.DEFAULTS={words:{},ranges:{},color:"#ffff00",caseSensitive:!0,wordsOnly:!1,resizable:!1,resizableOptions:{},id:"",debug:!1},c.prototype.highlight=function(){var b=this.$el.val(),c=this;c.spacer="",this.settings.wordsOnly&&(c.spacer="\\b");var e=[];if(a.each(this.settings.words,function(d,f){var g=new RegExp(c.spacer+"("+f.join("|")+")"+c.spacer,c.regParam),h=b.match(g);if(h){var i=[];a.each(h,function(a,c){e.push(c),-1===i.indexOf(c)&&(b=b.replace(new RegExp(c,"g"),'<mark style="background-color:'+d+';">$&</mark>',"g"),i.push(c))})}}),a.each(this.settings.ranges,function(a,c){if(c.start<b.length){b=d.strInsert(b,c.end,"</mark>");var e='<mark style="background-color:'+c.color+';"';null!=c["class"]&&(e+='class="'+c["class"]+'"'),e+=">",b=d.strInsert(b,c.start,e)}}),e.length!==this.matches.length){this.matches=e;var f=a.Event("matchesChanged");f.matches=this.matches,this.$el.trigger(f)}this.$highlighter.html(b),this.updateSizePosition()},c.prototype.setWords=function(a){this.setOptions({words:a,ranges:{}})},c.prototype.setRanges=function(a){this.setOptions({words:{},ranges:a})},c.prototype.enable=function(){this.bindEvents(),this.highlight()},c.prototype.disable=function(){this.unbindEvents(),this.$highlighter.empty()},c.prototype.destroy=function(){this.disable(),d.cloneCss(this.$container,this.$el,["background-image","background-color","background-position","background-repeat","background-origin","background-clip","background-size","background-attachment"]),this.$main.replaceWith(this.$el),this.$el.removeData("highlighter")},c.prototype.setOptions=function(b){"object"!=typeof b||a.isEmptyObject(b)||(a.extend(this.settings,b),this.regParam=this.settings.caseSensitive?"gm":"gim",a.isEmptyObject(this.settings.words)?a.isEmptyObject(this.settings.ranges)||(this.settings.words={},this.settings.ranges=d.cleanRanges(this.settings.ranges,this.settings.color)):(this.settings.words=d.cleanWords(this.settings.words,this.settings.color),this.settings.ranges={}),this.settings.debug?this.$main.addClass("debug"):this.$main.removeClass("debug"),this.active&&this.highlight())},c.prototype.bindEvents=function(){if(!this.active){this.active=!0;var b=this;this.$highlighter.bind({"this.highlighter":function(){b.$el.focus()}}),this.$el.bind({"input.highlightTextarea":d.throttle(function(){this.highlight()},100,this),"resize.highlightTextarea":d.throttle(function(){this.updateSizePosition(!0)},50,this),"scroll.highlightTextarea select.highlightTextarea":d.throttle(function(){this.updateSizePosition()},50,this)}),this.isInput&&this.$el.bind({"keydown.highlightTextarea keypress.highlightTextarea keyup.highlightTextarea":function(){setTimeout(a.proxy(b.updateSizePosition,b),1)},"blur.highlightTextarea":function(){this.value=this.value,this.scrollLeft=0,b.updateSizePosition.call(b)}})}},c.prototype.unbindEvents=function(){this.active&&(this.active=!1,this.$highlighter.off(".highlightTextarea"),this.$el.off(".highlightTextarea"))},c.prototype.updateCss=function(){d.cloneCss(this.$el,this.$main,["float","vertical-align"]),this.$main.css({width:this.$el.outerWidth(!0),height:this.$el.outerHeight(!0)}),d.cloneCss(this.$el,this.$container,["background-image","background-color","background-position","background-repeat","background-origin","background-clip","background-size","background-attachment","padding-top","padding-right","padding-bottom","padding-left"]),this.$container.css({top:d.toPx(this.$el.css("margin-top"))+d.toPx(this.$el.css("border-top-width")),left:d.toPx(this.$el.css("margin-left"))+d.toPx(this.$el.css("border-left-width")),width:this.$el.width(),height:this.$el.height()}),d.cloneCss(this.$el,this.$highlighter,["font-size","font-family","font-style","font-weight","font-variant","font-stretch","vertical-align","word-spacing","text-align","letter-spacing","text-rendering"]),this.$el.css({background:"none"})},c.prototype.applyResizable=function(){if(jQuery.ui){var b={handles:"se",resize:d.throttle(function(){this.updateSizePosition(!0)},50,this)},c=a.extend({},b,this.settings.resizableOptions);this.$el.resizable(c)}},c.prototype.updateSizePosition=function(a){a&&(this.$main.css({width:this.$el.outerWidth(!0),height:this.$el.outerHeight(!0)}),this.$container.css({width:this.$el.width(),height:this.$el.height()}));var b,c=0;this.isInput?b=99999:(("scroll"==this.$el.css("overflow")||"scroll"==this.$el.css("overflow-y")||"hidden"!=this.$el.css("overflow")&&"hidden"!=this.$el.css("overflow-y")&&this.$el[0].clientHeight<this.$el[0].scrollHeight)&&(c=this.scrollbarWidth),b=this.$el.width()-c),this.$highlighter.css({width:b,height:this.$el.height()+this.$el.scrollTop(),top:-this.$el.scrollTop(),left:-this.$el.scrollLeft()})};var d=function(){};d.getScrollbarWidth=function(){var b=a('<div style="width:50px;height:50px;overflow:auto"><div>&nbsp;</div></div>').appendTo("body"),c=b.children(),d=c.innerWidth()-c.height(100).innerWidth();return b.remove(),d},d.cloneCss=function(a,b,c){for(var d=0,e=c.length;e>d;d++)b.css(c[d],a.css(c[d]))},d.toPx=function(b){if(b!=b.replace("em","")){var c=a('<div style="font-size:1em;margin:0;padding:0;height:auto;line-height:1;border:0;">&nbsp;</div>').appendTo("body");return b=Math.round(parseFloat(b.replace("em",""))*c.height()),c.remove(),b}return b!=b.replace("px","")?parseInt(b.replace("px","")):parseInt(b)},d.htmlEntities=function(b){return b?a("<div></div>").text(b).html():""},d.strInsert=function(a,b,c){return a.slice(0,b)+c+a.slice(b)},d.throttle=function(a,b,c){var d={pid:null,last:0};return function(){function e(){return d.last=(new Date).getTime(),c?a.apply(c,Array.prototype.slice.call(g)):a.apply(h,Array.prototype.slice.call(g))}var f=(new Date).getTime()-d.last,g=arguments,h=this;return f>b?e():(clearTimeout(d.pid),void(d.pid=setTimeout(e,b-f)))}},d.cleanWords=function(b,c){var e={};a.isArray(b)||(b=[b]);for(var f=0,g=b.length;g>f;f++){var h=b[f];if(a.isPlainObject(h)){e[h.color]||(e[h.color]=[]),a.isArray(h.words)||(h.words=[h.words]);for(var i=0,j=h.words.length;j>i;i++)e[h.color].push(d.htmlEntities(h.words[i]))}else e[c]||(e[c]=[]),e[c].push(d.htmlEntities(h))}return e},d.cleanRanges=function(c,d){var e=[];(a.isPlainObject(c)||b(c[0]))&&(c=[c]);for(var f=0,g=c.length;g>f;f++){var h=c[f];if(a.isArray(h))e.push({color:d,start:h[0],end:h[1]});else if(h.ranges){(a.isPlainObject(h.ranges)||b(h.ranges[0]))&&(h.ranges=[h.ranges]);for(var i=0,j=h.ranges.length;j>i;i++)a.isArray(h.ranges[i])?e.push({color:h.color,"class":h["class"],start:h.ranges[i][0],end:h.ranges[i][1]}):(h.ranges[i].length&&(h.ranges[i].end=h.ranges[i].start+h.ranges[i].length),e.push(h.ranges[i]))}else h.length&&(h.end=h.start+h.length),e.push(h)}e.sort(function(a,b){return a.start==b.start?a.end-b.end:a.start-b.start});var k=-1;return a.each(e,function(b,c){c.start>=c.end&&a.error("Invalid range end/start"),c.start<k&&a.error("Ranges overlap"),k=c.end}),e.reverse(),e},a.fn.highlightTextarea=function(b){var d=arguments;return this.each(function(){var e=a(this),f=e.data("highlighter"),g="object"==typeof b&&b;(f||"destroy"!=b)&&(f||(f=new c(e,g),e.data("highlighter",f)),"string"==typeof b&&f[b].apply(f,Array.prototype.slice.call(d,1)))})}}(window.jQuery||window.Zepto);