Ext.ns('Ext.ux.form');Ext.ux.form.BotField=Ext.extend(Ext.form.NumberField,{allowNegative:true,answerText:"?",answerLocation:"either",answerOperators:["+","-","*"],errorText:"Enter the <b>number</b> which satisfies the equation: <br/>",hideQuestion:true,messageText:'To verify you are not a robot, please enter the <b>number</b> that satisfies this equation:<br />',showQuestion:true,selectOnFocus:true,onRender:function(){this.setBotValue();if(!this.qtip){this.qtip={};}
if(this.qtip){this.qtip.text=this.qtip.text||this.messageText+'<b>'+this.botMessage+'</b>';this.qtip.width=this.qtip.width||220;}
if(this.showQuestion){this.emptyText=this.botMessage;}
Ext.ux.form.BotField.superclass.onRender.apply(this,arguments);},initEvents:function(){Ext.apply(this,{allowDecimals:false,allowBlank:false});Ext.ux.form.BotField.superclass.initEvents.apply(this,arguments);this.validator=this.validateBotValue;},validateBotValue:function(v){if(v!=this.botAnswer){return this.errorText+this.botValMessage;}
return true;},setBotValue:function(){var a=Math.ceil(Math.random()*10);var b=Math.ceil(Math.random()*10);var max=this.answerOperators.length-1;var min=0;var i=Math.floor((max-(min-1))*Math.random())+min;var operator=this.answerOperators[i];if((operator=='-')&&!this.allowNegative){var hi=Math.max(a,b);b=Math.min(a,b);a=hi;}
var equation=a+operator+b;this.botAnswer=eval(equation);if(this.answerLocation=='either'){this.answerLocation=(a<b)?'before':'after';}
var beforeEqual,afterEqual;if(this.answerLocation=='after'){beforeEqual=b;afterEqual=this.answerText;}
else{beforeEqual=this.answerText;afterEqual=this.botAnswer;this.botAnswer=b;}
this.botMessage=String.format('{0} {1} {2} = {3}',a,operator,beforeEqual,afterEqual);this.botValMessage='<b>'+this.botMessage+'</b>';}});Ext.reg('botfield',Ext.ux.form.BotField);