dev/js/src/vc/statistic.js

/**
 * 
 * Creates and displays corpus statistic
 * 
 * @author Helge Stallkamp
 * 
 */
 

define(['util'], function (){

	return{
		
		/**
		 * Create new statistic object
		 */
		create: function(statistic){
			return Object.create(this)._init(statistic);
		},
	
		/**
		 * Initialize statistic object
		 */
		_init: function(statistic){
			if(statistic === undefined){
				throw new Error("Missing parameter");
			}
			else{
			this._statistic = statistic;
			this._visibleStat = false;
			return this;
			}
		},
		
		/**
		 * Display statistic object
		 * as HTML Description List Element
		 */
		element : function(){
		
			//if this._element already exists return without doing something
			if (this._element !== undefined) {
	      return this._element;
      };
      
      //create HTML Description List Element
			var statDL = document.createElement('dl');
			var statistic = this._statistic;
			
			var keys = Object.keys(statistic);
			for(i = 0; i <  keys.length; i++){
				statSp = statDL.addE('div')
				statDT = statSp.addE('dt');
				var k = keys[i];
				statDT.addT(k);
				statDT.setAttribute('title' , k);			
				statDD = statSp.addE('dd');
				statDD.addT(statistic[k]);
			} 	
			
			this._element = statDL;
			return this._element;
		},
		
	}
	
});