/**
* Create widget on object creation
**/
public function __construct($context)
{
parent::__construct($context);
//**********************************START OF VAR INIT**********************************************
$validator = new Validation();
$calculations = new Calculations();
//current, increase and new order values
$CorderVal = $validator->calcInputCheck('CorderVal');
$IorderVal = $validator->calcInputCheck('IorderVal');
$NorderVal = $calculations->increasebyPercentage($CorderVal, $IorderVal);
//current, increase and new visitors per month
$CvisitorsPerMonth = $validator->calcInputCheck('CvisitorsPerMonth');
$IvisitorsPerMonth = $validator->calcInputCheck('IvisitorsPerMonth');
$NvisitorsPerMonth = $calculations->increasebyPercentage($CvisitorsPerMonth, $IvisitorsPerMonth);
//current, increase and new conversion rate
$CconversionRate = $validator->calcInputCheck('CconversionRate');
$IconversionRate = $validator->calcInputCheck('IconversionRate');
$NconversionRate = $calculations->increasebyPercentage($CconversionRate, $IconversionRate);
//current, Increase and new Av Margins
$CavMargin = $validator->calcInputCheck('CavMargin');
$IavMargin = $validator->calcInputCheck('IavMargin');
$NavMargin = $calculations->increaseByPercentage($CavMargin, $IavMargin);
//current, increase and new revenue values
$Crevenue = $calculations->computeRevenue($CorderVal, $CvisitorsPerMonth, $CconversionRate);
$Nrevenue = $calculations->computeRevenue($NorderVal, $NvisitorsPerMonth, $NconversionRate);
$Irevenue = $calculations->computePercentageIncrease($Crevenue, $Nrevenue);
//current, increase and new Gross Profit Margin
$Cgpm = $calculations->computeGrossProfitMargin($Crevenue, $CavMargin);
$Ngpm = $calculations->computeGrossProfitMargin($Nrevenue, $NavMargin);
$Igpm = $calculations->computePercentageIncrease($Cgpm, $Ngpm);
//Investement capital and ROI
$investement = $validator->calcInputCheck('investement');
$roi = $calculations->computeROI($investement, $Ngpm, $Cgpm);
//*********************************ENDOF VAR INIT**************************************************
//*********************************START OF HTML***************************************************
//initialise rows for calculator table
$row1 = $this->headerRow("Current Value", "Percentage Increase", "New Value");
$row2 = $this->calculationRow("Av Order Value", $CorderVal, $IorderVal, "CorderVal", "IorderVal", $NorderVal);
$row3 = $this->calculationRow("Visitors Per Month", $CvisitorsPerMonth, $IvisitorsPerMonth, "CvisitorsPerMonth", "IvisitorsPerMonth", $NvisitorsPerMonth);
$row4 = $this->calculationRow("Conversion Rate", $CconversionRate, $IconversionRate, "CconversionRate", "IconversionRate", $NconversionRate);
$row5 = $this->calculationRow("Av Margin", $CavMargin, $IavMargin, "CavMargin", "IavMargin", $NavMargin);
$row6 = $this->resultsRow("Revenue", $Crevenue, $Irevenue, $Nrevenue);
$row7 = $this->resultsRow("Gross Profit Margin", $Cgpm, $Igpm, $Ngpm);
$row8 = $this->investROIrow("Investement", "ROI", $investement, "investement", $roi);
//create table from above rows,
$calcTable = HTML_Gen::element("TABLE", "class='table table-bordered'", $row1 . $row2 . $row3 . $row4 . $row5 . $row6 . $row7 . $row8);
$submitBtn = HTML_Gen::element("INPUT", "type='submit' value='submit'", "");
$calcForm = HTML_Gen::element("FORM", "action='{$context}' method='POST'", $calcTable . $submitBtn);
echo $calcContainer = HTML_Gen::element("DIV", "class='form-group'", $calcForm);
//*******************************ENDOF HTML*******************************************************
}
