Export  Coach Table into CSV format Excel

//Supports multiple Export CV in one page.
// Set Form and Field Name to use the viewId .
var viewId = this.context.viewid;
var thisFormName = "csvExportData_"+viewId;
this.context.element.getElementsByTagName("form")[0].name = thisFormName;

//Set export image
var imgData = this.context.element.getElementsByTagName("img")[0];
//CSV Export Logo
// legacy file path /portal/jsp/images/reporting/enabled/export_16x16.gif
// The image file is added as a File resources named "export_16x16.gif" and loaded through this JS API.
var excelImg = com_ibm_bpm_coach.getManagedAssetUrl("export_16x16.gif", com_ibm_bpm_coach.assetType_WEB);
imgData.src = excelImg; //defined in inline javascript

//CSV Data
if ( this.context.binding && this.context.binding.get("value") != undefined ){
 var csvData = this.context.element.getElementsByTagName("input" )[0];
 var textData = this.context.binding && this.context.binding.get("value") != undefined && (typeof this.context.binding.get("value") === "string") ? this.context.binding.get("value") : "";
 //Data should be escaped already
 csvData.value = textData; //this.context.htmlEscape(textData);
}
//CSV File Name
if( this.context.options.csvFileName && this.context.options.csvFileName.get("value") != undefined && this.context.options.csvFileName.get("value") != ""){
 // File name : value="filename=ReportData.csv"
 var csvFileName = this.context.element.getElementsByTagName("input" )[1];
 var textFileName = (typeof this.context.options.csvFileName.get("value") === "string") ? this.context.options.csvFileName.get("value") : "";

 if(textFileName != ""){
  csvFileName.value= "filename="+textFileName+".csv";
 }
}
//Link Text
if( this.context.options.linkTitle && this.context.options.linkTitle.get("value") != undefined && this.context.options.linkTitle.get("value") != ""){
 var exportLinkTitle = (typeof this.context.options.linkTitle.get("value") === "string") ? this.context.options.linkTitle.get("value") : "Export";
 //add text after the img dom element inside the link <a></a>
 var txt = document.createTextNode(exportLinkTitle);
 var linkDom = this.context.element.getElementsByTagName("a")[0];
 linkDom.appendChild(txt);
}


//Set link onclick action for this form
this.context.element.getElementsByTagName("a")[0].onclick=function(){
  document.forms[thisFormName].submit(); return false;
 };