var dashBoard;
var plot1;

	

$( document ).ready(function() {
	
	var loadTabs = new LoadTabs();
	/*var points = [];
	points['33'] = 5.4;
	points['23'] = 15.4;
	points['26'] =2.3;
	points['34'] = 15.00;
	points['37'] = 40.55;
	points['39'] = 1.55;
	points['43'] = 7.9;
	
	points.sort(function(a, b){return a-b});
	
	for (var index in points) {
		
		alert(index);
		alert(points[index]);
	}*/
	
	loadTabs.startLoading();
});

 

function LoadTabs(){
	
	this.startLoading =  function startLoading(){
		 
		this.generateExpenseList();
	 }

	this.calculateBalance =  function calculateBalance(){
		
	}

	this.loadParticipants = function loadParticipants(){
		
	}

	this.loadSettings = function loadSettings(){
		
	}
	
	

	this.generateExpenseList = function generateExpenseList(){
		var expenseInfoObj = $.parseJSON($('#expense_info').val());
		 
		dashBoard = new DashBoard();
		//var participantIndex = 0;
		var groupExpenseIndex = 0
		
	 
		 $.each( expenseInfoObj, function( key, val ) {
			
			 if(key == "Expense"){ 
 				 
				 var expenseObj = new Expense();				 
				 expenseObj.id = val.id;
				 expenseObj.unique_url = val.unique_url;
				 expenseObj.title = val.title; 
				 expenseObj.currency= val.currency;
				 expenseObj.description = val.description;
				 expenseObj.create_date = val.create_date;	
				 
				 dashBoard.expense = expenseObj;
			 
				// $(document.body).append(object.id);
				 
				 
				/* $.each(val, function (i, object) {
					
					 expObj.id = 
					 
					 
					 
					 $(document.body).append(i+"="+object);
			        });
				 */
			 } else if(key === "Participant"){
				 

				  $.each(val, function (i, object) {
					  var participantObj = new Participant();	
					  participantObj.id = object.id;
					  participantObj.name = object.name;
					  participantObj.isCreator = object.is_creator;
					  participantObj.create_date = object.create_date;
					  participantObj.balance = 0; 
					  
					  //set login participant Id and name
					  if(participantObj.isCreator == "1"){
						  dashBoard.loginParticipantId = participantObj.id;
						  dashBoard.loginParticipantName = participantObj.name;
					  }
					  
					  dashBoard.participants[participantObj.id] = participantObj;
					// $(document.body).append(i+"="+object);
			        }); 
				 
				/* $.each(val, function (i, object) {
					 $(document.body).append(i+"="+object);
			        });*/
				//participantObj.push(val); 
			 } else if(key === "GroupExpense"){
				  $.each(val, function (i, object) {
					 
					  var groupExpense = new GroupExpense();
					  groupExpense.index = dashBoard.globalExpenseIndex;
					  groupExpense.id = object.id;
					  groupExpense.paidBy = object.paid_by_participant_id;
					  groupExpense.expenseName = object.what;
					  groupExpense.create_date = object.create_date;
					  groupExpense.amount = object.amount; 
					  groupExpense.participantAmountStr = object.participant_amount; 
					  groupExpense.expenseDate = object.expense_date; 
					  groupExpense.number_of_notes= object.number_of_notes; 
					  groupExpense.number_of_modificaiton= object.number_of_modificaiton; 
					  groupExpense.isDetails= object.isDetails; 
					  groupExpense.type= object.type; 
					 // alert(object.type);
					  
					  dashBoard.groupExpenses[dashBoard.globalExpenseIndex++] = groupExpense;
					
					 
					// $(document.body).append(i+"="+object);
			        }); 
			 }
			 
			 
		 });
		
 
		 
		dashBoard.showExpenseList();
		
		dashBoard.setCurrentDate();
		 
	}
}
 

 


function DashBoard(){
	this.expense;
	this.participants = [];
	this.groupExpenses = [];	
	this.filteredGroupExpenses = [];
	
	this.gridData = [];
	
	this.participantAmtHtmlFormat = "";
	
	this.loginParticipantId = "";
	this.loginParticipantName = "";
	
	this.paidByHtml = "";
	
	this.currentInputAmount = "0";
	this.currentEditGroupExpense;
	
	this.currentDate ;
	
	this.isAddMode = true;
	
	this.globalExpenseIndex = 0;
	
	 
	
	this.addGroupExpense = function addGroupExpense( exp){
		groupExpenses.push(exp);
	}

	this.editGroupExpense = function editGroupExpense(index,exp){
		groupExpenses.insert(index,exp);
	}

	this.deleteGroupExpense = function deleteGroupExpense(index){
		
		groupExpenses.remove(index);
	}
	
	
	
	this.getParticipantNameById = function getParticipantNameById(id){
		 return dashBoard.participants[id].name;
	}
	
	this.getNumberOfParticipants = function getNumberOfParticipants(){
		var totalParticipant = 0;
		for (var index in dashBoard.participants) {
	 		 
			totalParticipant++;
		}
		return totalParticipant;
	}
	
	
this.fetchAndShowLog = function fetchAndShowLog(){
		
		var groupExpenseObj = new GroupExpense();
		 
		groupExpenseObj.isAdd = 4;
		groupExpenseObj.expenseId = dashBoard.expense.id;
		
		fetchDataFromServer(groupExpenseObj,"#ExpenseIndexForm");	 
		 
	}
	
	this.generateLogList = function generateLogList(logData){
		var logList = $.parseJSON(logData);
		 
		 
		var data = [];
		
		
		 $.each( logList, function( key, val ) {
 
			$.each(val, function (model, object) {
				 if(model=="Log"){ 
					data.push([object.id, object.create_date,object.previous_paid_by,object.previous_desc,object.new_desc]);	 
				 }
			 }); 
			 
		 });
		
		 
		 
		/* $.each( logList, function( key, val ) {
			  
			 
			 $.each(val, function (i, object) {
				 alert(i);
				 alert(object.new_desc)
				 data.push([object.id, object.create_date,object.previous_paid_by,object.previous_desc,object.new_desc]);	 
			 }
			 
			 
		 });
		 */
		 
		 var maxRowNum = data.length;
	        if(maxRowNum<101){
	        	maxRowNum = 100;
	        }  
		
 
		 $("#log_grid").jqGrid({
			    datatype: "local",
			    height: 340,
			    width: 840,
			    colNames: ['SI', 'Date', 'Paid By','Previous Description','New Description'],
			    colModel: [
			    {
			        name: 'SI',
			        index: 'SI',
			        width: 0,
			        sorttype: "int",
			        hidden:true
			    },
			    {
			        name: 'Date',
			        index: 'Date',
			        width: 110 ,
			        align:'center',
			        editable: true
			         
			    } ,
			    {
			        name: 'Paid By',
			        index: 'Paid By',
			        width: 100 ,
			        align:'center',
			        editable: true
			         
			    } ,
			    {
			        name: 'Previous Description',
			        index: 'Previous Description',
			        width: 220 ,
			        align:'center',
			        cellattr: function (rowId, tv, rawObject, cm, rdata) { return 'style="white-space: normal !important;"' }
			         
			         
			    } ,
			    {
			        name: 'New Description',
			        index: 'New Description',
			        width: 220 ,
			        align:'center',
			        cellattr: function (rowId, tv, rawObject, cm, rdata) { return 'style="white-space: normal !important;"' }
			         
			         
			    } 
			    
			    ],
			         
				    rowNum      : maxRowNum,	         
		            rowList:[10,20,50,maxRowNum],            
		            pager: '#log_pager',
		            gridview:true,
		            rownumbers:true,
		            autoencode:true,
		            ignoreCase:true,
		           // sortname: 'invdate',
		            viewrecords: true,
		            sortorder: 'desc',
		            caption:'Expense Log'  
			    } 
			 
			);
			
			
			
			
			
			$("#log_grid").jqGrid('navGrid','#log_pager',{
				add:false, 
				edit:false ,
				del:false ,
				search:true,searchtitle: 'Find Log'} 
				 
			);
			
			 
			var names = ['SI', 'Date', 'Paid By','Previous Description','New Description'];
			var mydata = [];
			 

			for (var i = 0; i < data.length; i++) {
			    mydata[i] = {};
			    
			    for (var j = 0; j < data[i].length; j++) {
			    	 
			        mydata[i][names[j]] = data[i][j];
			    }
			}
			
			 
				for (var i = 0; i < mydata.length; i++) {
					
					//alert(i + 1);
					//alert(mydata[i]);
					
				    $("#log_grid").jqGrid('addRowData',data[i][0]+1, mydata[i]);
				}

				//jQuery("#log_grid").setGridParam({rowNum:maxRowNum}).trigger("reloadGrid");
		 
	}
	
	
	this.showExpenseList = function showExpenseList(){
		
		 
	//	alert(this.groupExpenses.length)
		dashBoard.gridData = [];		
		 dashBoard.isAddMode = true;
		//var data = [];    
		$.each(this.groupExpenses, function( key, value ) {
			
			//var filteredGroupExpenseObj = dashBoard.getFilteredExpenseObj(key,value);
			
			//dashBoard.filteredGroupExpenses[key] = filteredGroupExpenseObj;
			
			dashBoard.gridData.push(dashBoard.getDataByExpense(key,value)); 

			// alert(value);
		//	data.push([value.id,  dashBoard.getParticipantNameById(value.paidBy), dashBoard.getFormatedAmount(value.amount), value.expenseName, dashBoard.getFormatedDate(value.expenseDate),dashBoard.getInvolveString(value.involves),dashBoard.getForYouString(value.involves)]);
			//data[]
		});
		 
		dashBoard.setParticipantAmtHtmlFormat();	
		 
		dashBoard.reloadGrid();
		  
		
		/*data.sort(function(a, b) {
		  if(a.value < b.value) return 1;
		  if(a.value > b.value) return -1;
		  return 0;
		});*/
		
	//	alert(data);
		//var data = [["48803", "DSK1", "", "02200220", "OPEN","OPEN","OPEN","OPEN","OPEN","OPEN"], ["48804", "DSK1", "", "02200220", "OPEN","OPEN","OPEN",]];
		//(data1);
 	}
	
	
	this.getDataByExpense = function getDataByExpense(key,groupExpenseObj){
		
		 dashBoard.filteredGroupExpenses[key] = dashBoard.getFilteredExpenseObj(key,groupExpenseObj);
 		
		 return [dashBoard.filteredGroupExpenses[key].id,  dashBoard.filteredGroupExpenses[key].paidBy, dashBoard.showFormatedAmount(dashBoard.filteredGroupExpenses[key].amount), dashBoard.filteredGroupExpenses[key].expenseName, dashBoard.filteredGroupExpenses[key].expenseDate,dashBoard.filteredGroupExpenses[key].involves,dashBoard.showFormatedAmount(dashBoard.filteredGroupExpenses[key].forYou)]; 
	}
	
	this.getFilteredExpenseObj = function getFilteredExpenseObj(key,groupExpenseObj){
		
		var filteredGroupExpenseObj = new FilteredGroupExpense();
		
		filteredGroupExpenseObj.id = groupExpenseObj.index;
		filteredGroupExpenseObj.paidBy = dashBoard.getParticipantNameById(groupExpenseObj.paidBy);
		filteredGroupExpenseObj.amount = dashBoard.getFormatedAmount(groupExpenseObj.amount);
		filteredGroupExpenseObj.expenseName=groupExpenseObj.expenseName;
		filteredGroupExpenseObj.expenseDate = dashBoard.getFormatedDate(groupExpenseObj.expenseDate);			 
		filteredGroupExpenseObj.involves=dashBoard.getInvolveString(groupExpenseObj.participantAmountStr);
		filteredGroupExpenseObj.forYou=dashBoard.getForYouString(groupExpenseObj.participantAmountStr);		
		filteredGroupExpenseObj.noOfNotes=groupExpenseObj.noOfNotes;
		filteredGroupExpenseObj.noOfModification=groupExpenseObj.noOfModification;
		
		return filteredGroupExpenseObj;
	}
	
	this.reloadGrid = function reloadGrid(){
		
		var  initDateEdit = function(elem) {
            setTimeout(function() {
                $(elem).datepicker({
                    dateFormat: 'dd-M-yy',
                    autoSize: true,
                    showOn: 'button', // it dosn't work in searching dialog
                    changeYear: true,
                    changeMonth: true,
                    showButtonPanel: true,
                    showWeek: true
                });
                //$(elem).focus();
         },100);
        };
         
        var maxRowNum = dashBoard.globalExpenseIndex;
        if(maxRowNum<101){
        	maxRowNum = 100;
        }  
        
         
		$("#grid").jqGrid({
		    datatype: "local",
		    height: 240,
		    colNames: ['SI', 'Who paid?', 'How much('+dashBoard.expense.currency+')?', 'For what reason?', 'When?','Involves?','For you('+dashBoard.expense.currency+')?'],
		    colModel: [
		    {
		        name: 'SI',
		        index: 'SI',
		        width: 0,
		        sorttype: "int",
		        hidden:true
		    },
		    {
		        name: 'PaidBy',
		        index: 'PaidBy',
		        width: 90 ,
		        align:'center',
		        formoptions:{rowpos:2},
		        editable: true, 		        
                edittype:'select',
                editoptions:{value:'1:X',defaultValue:'X' }
		    },
		    {
		        name: 'Amount',
		        index: 'Amount',
		        align:'center',
		        width: 120,
		        formoptions:{elmsuffix:'('+dashBoard.expense.currency+')', rowpos:4},
		        editable: true,			         
		        editrules:{required:true},
		        editoptions:{ maxlength:18,dataInit: function (el) {
	                $(el).keyup(function () {
	                	
	                    //alert(el.value);
	                	el.value = el.value.replace(/[^0-9\.]/g,'');
	                	if(el.value.replace(/[^.]/g, "").length == 2){
	                		el.value = el.value.substring(0, el.value.length-1);
	                	}
	                	
	                	if(el.value == ""){
	                		dashBoard.currentInputAmount = 0;
	                	} else {
	                		dashBoard.currentInputAmount = el.value;
	                	}
	                	
	                	dashBoard.changeExpenseAmount();
	                });
	              }
		        }
		    },
		    {
		        name: 'Reason',
		        index: 'Reason',
		        align:'center',
		        width: 190,
		        formoptions:{rowpos:1},
		        editable: true,			         
		        editrules:{required:true},
		        editoptions:{maxlength:25},
		        sorttype: "float" 
		        
		    },
		    {
		        name: 'Date',
		        index: 'Date',		       
		        width: 80,
		        align:'center', 
		        sorttype:'date',                               
                formoptions:{rowpos:3},
                editable:true,                    
                editrules:{required:true},
                editoptions: {dataInit:initDateEdit}
	         },
		    {
		        name: 'Involve',
		        index: 'Involve',
		        align:'center',
		        width: 150,
		        sorttype: "float"
		    },
		    {
		        name: 'For you?',
		        index: 'For you?',
		        align:'center',
		        width: 100,
		        sorttype: "float"
		    }
		    ],
		    rowNum      : maxRowNum,	         
            rowList:[10,20,50,maxRowNum],            
            pager: '#expense_pager',
            gridview:true,
            rownumbers:true,
            autoencode:true,
            ignoreCase:true,
           // sortname: 'invdate',
            viewrecords: true,
            sortorder: 'desc',
            caption:'Expense List' 
            
		    // ondblClickRow: function(rowid,iRow,iCol,e){alert('double clicked');}
		} 
		
		
		 
		);
		//jQuery("#grid").setGridParam({rowNum:10}).trigger("reloadGrid");
		 
		dashBoard.addRowsToGrid(dashBoard.gridData);

	//	$(".ui-jqgrid-titlebar").hide();
		
		$("#grid").jqGrid('setGridParam', {
			onSelectRow: function(rowid,iRow,iCol,e){
				
				if(!iCol){
					//alert(rowid);
					dashBoard.removeParticipantAmtRows(); 
					dashBoard.isAddMode = false;			
					dashBoard.loadForEdit();
					 //jQuery(this).jqGrid('editGridRow', rowid);
				}
	    		 
				}
			}
		);
		
		$("#grid").jqGrid('setGridParam', {ondblClickRow: function(rowid,iRow,iCol,e){
			dashBoard.isAddMode = false; 
			jQuery(this).jqGrid('editGridRow', rowid);
			
		}});
		
		//$("#grid").jqGrid('setGridParam', { onRightClickRow: function(rowid,iRow,iCol,e){alert('Right Click!');}});
		
		$("#grid").jqGrid('navGrid','#expense_pager',{
			add:true,addtitle: 'Add Expense',
			edit:true,edittitle: 'Modify Expense',
			del:true,deltitle: 'Delete Expense' ,
			search:true,searchtitle: 'Find Expenses'},
			{ // Edit
			      recreateForm: true,
			      beforeInitData: function () {
			    	  
			    	  dashBoard.isAddMode = false;
			    	 // alert("in edit");
			         // inEdit = true;
			      }
			  },
			  { // Add
			      recreateForm: true,
			      beforeInitData: function () {
			    	  dashBoard.isAddMode = true;
			         // inEdit = false;
			      }
			  }
		
		);
	  
		
      dashBoard.setExpenseGridExtension(); 
		
		//$('html, body').animate({scrollBottom: $("#gbox_grid").offset().bottom}, 2000);
		
		jQuery("#grid").setGridParam({rowNum:maxRowNum}).trigger("reloadGrid");
	//	alert($('#gbox_grid')[0].scrollHeight);
		$('.ui-jqgrid-bdiv').scrollTop($('#gbox_grid')[0].scrollHeight);
		
	}
	
	this.setExpenseGridExtension = function setExpenseGridExtension(){
		$.extend($.jgrid.edit, {
			addCaption: "Add Expense",
			editCaption: "Modify Expense",
		    bSubmit: "Save",
		    bCancel: "Cancel",
		    width:300,
		    
		    recreateForm: true,
		    beforeShowForm: function () {
		    	  
	       
		    	if(dashBoard.isAddMode == true){
		    		
		    		  $('#tr_Amount>td.DataTD>input').insertAfter( '   ');
		  	        
		  	        $(dashBoard.participantAmtHtmlFormat).insertAfter("#tr_Amount");
		    		
		        	$('<a >Save & Continue<span class="ui-icon ui-icon-disk"></span></a>')
		            .click(function() {
		            	dashBoard.validateExpenseAddForm(0);
		               })
		            .addClass("fm-button ui-state-default ui-corner-all fm-button-icon-left")
		            .prependTo("#Act_Buttons>td.EditButton");
		        	
		    		$('#PaidBy').find('option').remove().end().append(dashBoard.paidByHtml);
		    	      dashBoard.refreshParticipantsExpenseProperties(1);
				      dashBoard.setAllCheckImpact();
				      dashBoard.hideShowParticipantDetails(false);
				      $("#Date").val(dashBoard.currentDate);
		    	} else { 
		    		dashBoard.loadForEdit();
		    	}		      
		    },
		    
		   beforeSubmit: function(response, postData) {             
			   dashBoard.validateExpenseAddForm(1);
			   
            }
		
		});
		
		$.extend($.jgrid.del, {
			 
			caption: "Delete Expense",
            msg: "Do you want to delete the expense?",  
		   beforeSubmit: function(response, postData) {             
				dashBoard.deleteExpense();			   
            }
		
		});
	}
	 
	
	this.removeParticipantAmtRows = function removeParticipantAmtRows(){
		$('#tr_IsDetails').remove();
		$('#tr_selectAll').remove();
		for (var index in dashBoard.participants) { 
			$('#tr_Participant'+dashBoard.participants[index].id).remove();		
			$('#tr_ParticipantDetails'+dashBoard.participants[index].id).remove();
		}
		 
				
	}
	
	this.loadForEdit = function loadForEdit(){
		
		  $('#tr_Amount>td.DataTD>input').insertAfter( '   ');
	        
	        $(dashBoard.participantAmtHtmlFormat).insertAfter("#tr_Amount");
	     //   alert("in LoadForEdit");
	       
		var rowId =$("#grid").jqGrid('getGridParam','selrow');  
		
		//alert(dashBoard.groupExpenses.length);
		var rowData = jQuery("#grid").getRowData(rowId);
		//alert(dashBoard.groupExpenses[rowData['SI']].id);
		dashBoard.showEditUI(dashBoard.groupExpenses[rowData['SI']]);
		$('#PaidBy').find('option').remove().end().append(dashBoard.paidByHtml);
	}
	
	this.changeSingleInvolve = function changeSingleInvolve(participantId){
	 
		if($("#chkParticipant"+participantId).is(':checked')){			 
			dashBoard.participants[participantId].currentInputExpensePart = 1;
		} else {			 
			$("#selectAll").prop('checked', false);
			dashBoard.participants[participantId].currentInputExpensePart = 0;
			dashBoard.participants[participantId].isFreeze = 0;
		}
		 
		dashBoard.calculateFinalFreezeExpenseAmount();
		 
		dashBoard.showFreezeAmount();
		dashBoard.setShadowOnPartTextBox(); 		
		dashBoard.scanCheckAllCheckbox();
		dashBoard.scanParticipantCheckBoxs();
	}
	
	this.changeDetailsPart = function changeDetailsPart(participantId){
		
		var originalValue = $("#participantTextPart"+participantId).val();
		
		var filteredValue = $("#participantTextPart"+participantId).val().replace(/[^0-9]/g,'');
		
		
		 
		if(filteredValue != "" && parseInt(filteredValue) != dashBoard.participants[participantId].currentInputExpensePart){
			 //alert("1");
			dashBoard.participants[participantId].currentInputExpensePart = parseInt(filteredValue);			 
			dashBoard.participants[participantId].isFreeze = 0;
			 
			
			dashBoard.calculateFinalFreezeExpenseAmount();			 
			dashBoard.showPartAndFreezeAmtInDetails();			
			dashBoard.scanParticipantCheckBoxs();			 
			dashBoard.setShadowOnPartTextBox();
			
		} else if(originalValue != "") {		
			// alert("2");
			 
			if(filteredValue == "0"){
				dashBoard.participants[participantId].isFreeze = 0;
				dashBoard.participants[participantId].currentInputExpensePart = 0;
			}
			
			dashBoard.calculateFinalFreezeExpenseAmount();
			dashBoard.showPartAndFreezeAmtInDetails();
			dashBoard.scanParticipantCheckBoxs();
			dashBoard.setShadowOnPartTextBox();
		} else if(originalValue == "") {	
			 
		   if(dashBoard.participants[participantId].isFreeze == 0){
			//dashBoard.participants[participantId].isFreeze = 0 
			dashBoard.participants[participantId].currentInputExpensePart = 0;
		   }
			
			dashBoard.calculateFinalFreezeExpenseAmount();
			dashBoard.showPartAndFreezeAmtInDetails();
			dashBoard.scanParticipantCheckBoxs();
			dashBoard.setShadowOnPartTextBox(); 
			 
		}
		
		 
	}
	
	this.changeDetailsFreeze = function changeDetailsFreeze(participantId){
		
		var originalValue = $("#participantTextFreeze"+participantId).val();
		
		var filteredValue = $("#participantTextFreeze"+participantId).val().replace(/[^0-9\.]/g,'');
		 
    	if(filteredValue.replace(/[^.]/g, "").length == 2){
    		filteredValue = filteredValue.substring(0, filteredValue.length-1);
    	}
		 
 		if(filteredValue != "" && dashBoard.showFormatedAmount(parseFloat(filteredValue)) != dashBoard.showFormatedAmount(parseFloat(dashBoard.participants[participantId].currentInputExpenseFreezeAmt))){
			//alert("1");
 			//validate if all the freeze amount exceed the input amount, set the current freeze amount =  input-(all other freeze amount)
 			//filteredValue = 
 			//dashBoard.setFreezeOnUI(participantId,filteredValue);
 			
			dashBoard.participants[participantId].currentInputExpensePart = 0;			 
			dashBoard.participants[participantId].currentInputExpenseFreezeAmt = dashBoard.getFormatedAmount(parseFloat(filteredValue));
			
			
			if(parseFloat(filteredValue) == parseFloat(0)){
				dashBoard.participants[participantId].isFreeze = 0;				
			} else {
				dashBoard.participants[participantId].isFreeze = 1;
			}
			 
			dashBoard.calculateFinalFreezeExpenseAmount();			 
			dashBoard.showPartAndFreezeAmtInDetails();
			dashBoard.scanParticipantCheckBoxs();
			dashBoard.setShadowOnPartTextBox();
		}   else if(originalValue != "") {		
 
			
			dashBoard.calculateFinalFreezeExpenseAmount();
			dashBoard.showPartAndFreezeAmtInDetails();
			dashBoard.scanParticipantCheckBoxs();
			dashBoard.setShadowOnPartTextBox();
		} else if(originalValue == "") {		
			//alert("3");
			dashBoard.participants[participantId].currentInputExpensePart = 0;			 
			dashBoard.participants[participantId].currentInputExpenseFreezeAmt = dashBoard.getFormatedAmount(0);
			dashBoard.participants[participantId].isFreeze = 0;
			 
			dashBoard.calculateFinalFreezeExpenseAmount();			 
			dashBoard.showPartAndFreezeAmtInDetails();
			dashBoard.scanParticipantCheckBoxs();
			dashBoard.setShadowOnPartTextBox();
		}
		
		 
	}
	
	 
	
	this.changeExpenseAmount = function changeExpenseAmount(){
		
 		dashBoard.calculateFinalFreezeExpenseAmount();
		dashBoard.showFreezeAmount();
		dashBoard.showPartAndFreezeAmtInDetails();
		dashBoard.scanParticipantCheckBoxs();
		dashBoard.setShadowOnPartTextBox(); 
 		
	}
	
	this.setShadowOnPartTextBox = function setShadowOnPartTextBox(){
		
		//alert(participantId);
		//alert(dashBoard.participants[participantId].isFreeze);
		for (var index in dashBoard.participants) {	
			if(dashBoard.participants[index].isFreeze == 1){
				$("#participantTextPart"+dashBoard.participants[index].id).prop("value", ''); 
				$("#participantTextPart"+dashBoard.participants[index].id).css('background-color' , '#DEDEDE');
			} else {	
				 
				$("#participantTextPart"+dashBoard.participants[index].id).css('background-color' , '#FFFFF');
				/*if($("#participantTextPart"+participantId).hasProp("background-color")){
					$("#participantTextPart"+participantId).removeProp("background-color");
				}*/
				
			}
		
		}
	
	}
	
	/*this.setFreezeOnUI = function setFreezeOnUI(participantId,newValue){
		if(parseFloat(dashBoard.participants[participantId].currentInputExpenseFreezeAmt) != parseFloat(newValue)){
			$("#participantTextPart"+participantId).prop("value", ''); 
			$("#participantTextPart"+participantId).css('background-color' , '#DEDEDE');
		}
	}*/
	
	 
	
	this.scanParticipantCheckBoxs = function scanParticipantCheckBoxs(){
		
		var isAllCheck = true;
		var numberOfInvolves = 0;
		
		for (var index in dashBoard.participants) {
			
			if(parseFloat(dashBoard.participants[index].currentInputExpenseFreezeAmt) > 0){
				numberOfInvolves++;
				$("#chkParticipant"+dashBoard.participants[index].id).prop('checked', true);
			} else {
				isAllCheck = false;
				$("#chkParticipant"+dashBoard.participants[index].id).prop('checked', false);
			} 
		}
		
		if(numberOfInvolves == dashBoard.participants.length){
			isAllCheck = true;
		}
		
		
		if(isAllCheck == false){
			$("#selectAll").prop('checked', false);
		} else {
			$("#selectAll").prop('checked', true);
		}
		 
		
	}
	
	this.scanCheckAllCheckbox = function scanCheckAllCheckbox(){
		
		 
		var numberOfInvolves = 0;
		
		for (var index in dashBoard.participants) {
			
			if(parseFloat(dashBoard.participants[index].currentInputExpenseFreezeAmt) > 0){
				numberOfInvolves++;			 
			}
		
			if(numberOfInvolves == dashBoard.participants.length){
				$("#selectAll").prop('checked', true);
			} else {
				$("#selectAll").prop('checked', false);
			}
		 
		}
	
	}
	
	
	this.setAllCheckImpact = function setAllCheckImpact(){
		
		var commonValue = dashBoard.getFormatedAmount(0);
		var isCheckAll = false;
		
		if($("#selectAll").is(':checked')){
			isCheckAll = true;
			//commonValue = dashBoard.getFormatedAmount(dashBoard.currentInputAmount/dashBoard.getNumberOfParticipants());
		}  
		
		for (var index in dashBoard.participants) {		
			
			if(isCheckAll == true){
				$("#chkParticipant"+dashBoard.participants[index].id).prop('checked', true);
				
				if(dashBoard.participants[index].currentInputExpensePart >= 0){
					dashBoard.participants[index].currentInputExpensePart = 1;
				}  
				
				
			} else {
				$("#chkParticipant"+dashBoard.participants[index].id).prop('checked', false);
				
				dashBoard.participants[index].currentInputExpensePart=0;
				dashBoard.participants[index].currentInputExpenseFreezeAmt=dashBoard.getFormatedAmount(0);			
			}
			
			
			 
			//$("#pamount_"+dashBoard.participants[index].id).html(commonValue+" "+dashBoard.expense.currency);
			
			 
		}
		
		dashBoard.calculateFinalFreezeExpenseAmount();
		dashBoard.showFreezeAmount();
		dashBoard.setShadowOnPartTextBox(); 
			
	}
	
	 
	
	this.refreshParticipantsExpenseProperties = function refreshParticipantsExpenseProperties(defaultPart){
		dashBoard.currentInputAmount = 0;
		for (var index in dashBoard.participants) {
			dashBoard.participants[index].currentInputExpensePart = defaultPart;
			dashBoard.participants[index].isFreeze = 0;
			dashBoard.participants[index].currentInputExpenseFreezeAmt=dashBoard.getFormatedAmount(0);
		}
		
	}
	
	this.showFreezeAmount = function showFreezeAmount(){
		for (var index in dashBoard.participants) {
			$("#pamount_"+dashBoard.participants[index].id).html(dashBoard.showFormatedAmount(dashBoard.participants[index].currentInputExpenseFreezeAmt)+" "+dashBoard.expense.currency);
			
		}
		
	}
	
	
	this.calculateFinalFreezeExpenseAmount = function calculateFinalFreezeExpenseAmount(){
		
		//get total parts of current participants
		var totalParts = 0;
		var totalFreezeAmt = dashBoard.getFormatedAmount(0);
		for (var index in dashBoard.participants) {	
			//alert(dashBoard.participants[index].currentInputExpensePart);
			 
			if(parseFloat(dashBoard.participants[index].currentInputExpenseFreezeAmt) == parseFloat(0)){
				dashBoard.participants[index].isFreeze = 0;
			}
			
			if(dashBoard.participants[index].isFreeze == 0){
				totalParts += parseInt(dashBoard.participants[index].currentInputExpensePart);
			} else { 
				totalFreezeAmt = dashBoard.getFormatedAmount(parseFloat(totalFreezeAmt)+ parseFloat(dashBoard.participants[index].currentInputExpenseFreezeAmt));				 
			}
		}
				
		
		if((dashBoard.getFormatedAmount(dashBoard.currentInputAmount) > dashBoard.getFormatedAmount(0))
				&& (parseFloat(totalFreezeAmt) > parseFloat(dashBoard.currentInputAmount))){
			//if totalFreeze amount exceed expense input reset all the parts and freeze amount equal
			
			//totalFreezeAmt = dashBoard.getFormatedAmount(0);
			//dashBoard.resetAllPartAndFreezeAmt();
			//totalParts = dashBoard.getNumberOfParticipants();
		} else if(dashBoard.getFormatedAmount(dashBoard.currentInputAmount)>0 && parseFloat(totalFreezeAmt) == parseFloat(dashBoard.currentInputAmount)){
			//if totalFreeze amount is equal to expense input amount,no need to keep part for where isFreeze=0
			dashBoard.resetUnfreezeAmt();
			totalParts = 0;
		}
		
		//set final freeze amount
		for (var index in dashBoard.participants) {	
			
			if(dashBoard.participants[index].isFreeze == 0 && totalParts > 0){
 
				dashBoard.participants[index].currentInputExpenseFreezeAmt = dashBoard.getFormatedAmount(((parseFloat(dashBoard.currentInputAmount)-parseFloat(totalFreezeAmt))/totalParts)*dashBoard.participants[index].currentInputExpensePart);
				//Freeze amount can not be negative
				if(parseFloat(dashBoard.participants[index].currentInputExpenseFreezeAmt) < 0){
					dashBoard.participants[index].currentInputExpenseFreezeAmt = dashBoard.getFormatedAmount(0);
				}
			} else if(dashBoard.participants[index].isFreeze == 0){
				dashBoard.participants[index].currentInputExpenseFreezeAmt = dashBoard.getFormatedAmount(0);
			}
		}
		
	}
	
	this.resetAllPartAndFreezeAmt = function resetAllPartAndFreezeAmt(){
		for (var index in dashBoard.participants) {	
			if(dashBoard.participants[index].isFreeze == 0){
				dashBoard.participants[index].currentInputExpensePart = 1;
				dashBoard.participants[index].isFreeze = 0;
			}
		}
	}
	
	this.resetUnfreezeAmt = function resetUnfreezeAmt(){
		/*for (var index in dashBoard.participants) {	
			if(dashBoard.participants[index].isFreeze == 0){
				//dashBoard.participants[index].currentInputExpensePart = 0;				 
			}
		}*/
	}
	
	this.updateBalance = function updateBalance(){
		//balance
	}
	
	
	this.setParticipantAmtHtmlFormat = function setParticipantAmtHtmlFormat(){
		dashBoard.paidByHtml = "";
		var result = '<tr id="tr_IsDetails" class="FormData" rowpos="5"><td class="CaptionTD"></td><td class="DataTD">&nbsp;<input class="FormElement ui-widget-content ui-corner-all" role="checkbox" name="Details" id="Details" onClick="dashBoard.setDetailsCheckImpact()" type="checkbox">Breakdown</td></tr>';
		result += '<tr id="tr_selectAll" class="FormData" rowpos="6"><td class="CaptionTD"></td><td class="DataTD">&nbsp;<input class="FormElement ui-widget-content ui-corner-all" role="checkbox" name="selectAll" id="selectAll" onClick="dashBoard.setAllCheckImpact()" checked type="checkbox">Check All</td></tr>';

		for (var index in dashBoard.participants) { 
			
			result += '<tr id="tr_Participant'+dashBoard.participants[index].id+'" class="FormData" rowpos="7"><td class="CaptionTD"><input onClick="dashBoard.changeSingleInvolve('+dashBoard.participants[index].id+')" class="FormElement ui-widget-content ui-corner-all" role="checkbox" name="Participant'+dashBoard.participants[index].id+'" id="chkParticipant'+dashBoard.participants[index].id+'" type="checkbox">'+dashBoard.getParticipantNameById(dashBoard.participants[index].id)+' </td><td class="DataTD"><div id="pamount_'+dashBoard.participants[index].id+'"></div></td></tr>';
		}
		
		dashBoard.setPaidBy(dashBoard.loginParticipantId);
		
	 
		for (var index in dashBoard.participants) {
			result += '<tr id="tr_ParticipantDetails'+dashBoard.participants[index].id+'" class="FormData" rowpos="7"><td class="CaptionTD">'+dashBoard.getParticipantNameById(dashBoard.participants[index].id)+' </td><td class="DataTD"><input type=text   onblur="dashBoard.changeDetailsPart('+dashBoard.participants[index].id+')" id="participantTextPart'+dashBoard.participants[index].id +'" style="width: 20px"> <input type=text  onblur="dashBoard.changeDetailsFreeze('+dashBoard.participants[index].id+')"  id="participantTextFreeze'+dashBoard.participants[index].id +'" style="width: 40px"> '+dashBoard.expense.currency+'</td></tr>';
		}
				
		dashBoard.participantAmtHtmlFormat = result;	
	}
	
	this.setPaidBy = function setPaidBy(selectedParticipantId){
		
		dashBoard.paidByHtml = "";
		
		for (var index in dashBoard.participants) {
			
			if(dashBoard.participants[index].id == selectedParticipantId){
				
				dashBoard.paidByHtml += '<option value="'+dashBoard.participants[index].id+'" selected role="option">'+dashBoard.getParticipantNameById(dashBoard.participants[index].id)+'</option>';
			} else {
				dashBoard.paidByHtml += '<option value="'+dashBoard.participants[index].id+'" role="option">'+dashBoard.getParticipantNameById(dashBoard.participants[index].id)+'</option>';
			}
 		}
	}
	
	this.setParticipantAmountInfoByAmtStr = function setParticipantAmountInfoByAmtStr(amtStr){
	
		var amtStrArray = amtStr.split(",");
		var totalInvolves = 0;
		
		for(var i=0;i<amtStrArray.length;i++){
			var values = amtStrArray[i].split("|");
			
			if(values[1] == ""){
			 
				dashBoard.participants[values[0]].isFreeze = 1;
				dashBoard.participants[values[0]].currentInputExpensePart = 0;
			} else {
				dashBoard.participants[values[0]].isFreeze = 0;
				dashBoard.participants[values[0]].currentInputExpensePart = values[1];
			}
			
			dashBoard.participants[values[0]].currentInputExpenseFreezeAmt = values[2];
			if(parseFloat(dashBoard.participants[values[0]].currentInputExpenseFreezeAmt) > parseFloat(0)){
				totalInvolves++;
				$("#chkParticipant"+values[0]).prop('checked', true);
				
			}
			
		}
		
		//check or uncheck checkBox
		if(totalInvolves != dashBoard.participants.length ){
			$("#selectAll").prop('checked', false);
		}
	
	}
	this.showEditUI =function showEditUI(expenseObj){
		
		dashBoard.currentEditGroupExpense = expenseObj;
		
		//set paid by
		dashBoard.setPaidBy(expenseObj.paidBy);
		
		//assign parts and freeze amounts to all participants
		if(expenseObj.isDetails == 1){
			dashBoard.refreshParticipantsExpenseProperties(1);
		} else {
			dashBoard.refreshParticipantsExpenseProperties(0);
		}
		dashBoard.setParticipantAmountInfoByAmtStr(expenseObj.participantAmountStr);
		
		dashBoard.currentInputAmount = expenseObj.amount;
		
		//hide show details section
	//	alert(expenseObj.isDetails);
		if(expenseObj.isDetails == 1){
			dashBoard.hideShowParticipantDetails(true);
			$("#Details").prop('checked', true);
			dashBoard.setDetailsCheckImpact();
		} else {
			dashBoard.hideShowParticipantDetails(false)
			dashBoard.setDetailsCheckImpact();
		}
		 
		
/*		this.isFreeze;
		this.currentInputExpensePart;
		this.currentInputExpenseFreezeAmt;	*/
		//alert(expenseObj.paidBy);
		//alert(expenseObj.paidBy);
		
		
		//dashBoard.calculateFinalFreezeExpenseAmount();
		 
		//dashBoard.showFreezeAmount();
		//dashBoard.setShadowOnPartTextBox(); 
		//alert(dashBoard.paidByHtml);
		/*for (var index in dashBoard.participants) {		
			
			$("#chkParticipant"+dashBoard.participants[index].id).check(true);
		}*/
	}
	
	this.setDetailsCheckImpact = function setDetailsCheckImpact(){
		 
		if($("#Details").is(':checked')){
			dashBoard.hideShowParticipantDetails(true);
		}  else {
			dashBoard.hideShowParticipantDetails(false);
		}
		dashBoard.setShadowOnPartTextBox(); 
	}
	
	
	this.showPartAndFreezeAmtInDetails = function showPartAndFreezeAmtInDetails(){
		for (var index in dashBoard.participants) {
			//set part and freezeAmt from participants
			 
			$("#participantTextPart"+dashBoard.participants[index].id).val(dashBoard.participants[index].currentInputExpensePart);
			$("#participantTextFreeze"+dashBoard.participants[index].id).val(dashBoard.showFormatedAmount(dashBoard.participants[index].currentInputExpenseFreezeAmt));
		}
	}
	
	this.hideShowParticipantDetails = function hideShowParticipantDetails(isDetails){
		if(isDetails == true){
			//hide simple
			$("#tr_selectAll").hide();
			for (var index in dashBoard.participants) {
				$("#tr_Participant"+dashBoard.participants[index].id).hide();	
				$("#tr_ParticipantDetails"+dashBoard.participants[index].id).show();
			}	
			
			dashBoard.showPartAndFreezeAmtInDetails();	
			
		} else {
			$("#tr_selectAll").show();
			for (var index in dashBoard.participants) {
				$("#tr_Participant"+dashBoard.participants[index].id).show();	
				$("#tr_ParticipantDetails"+dashBoard.participants[index].id).hide();	
			}			
			dashBoard.showFreezeAmount();
			
		
		}
	} 
	
	// Utilities functions
	this.getCurrency = function getCurrency(){
		return dashBoard.expense.currency;
	}
	
	this.getFormatedAmount = function getFormatedAmount(amount){
		 return parseFloat(amount).toFixed(15);
	}
	
	this.getFormatedAmountDB = function getFormatedAmountDB(amount){
		 return parseFloat(amount).toFixed(4);
	}
	
	this.showFormatedAmount = function showFormatedAmount(amount){
		 return parseFloat(amount).toFixed(2);
	}
	
	this.getFormatedDate = function getFormatedDate(date){
		
		var dateObj = new Date(date*1000);
		//return date.getdays()+"/"+date.getMonths()+"/"+date.getYears(); var a = new Date(UNIX_timestamp*1000);
		  var months = ['Jan','Feb','Mar','Apr','May','Jun','Jul','Aug','Sep','Oct','Nov','Dec'];
		  var year = dateObj.getFullYear();
		  var month = months[dateObj.getMonth()];
		  var date = String(dateObj.getDate());
		  var time ;
		 
		  if(date.length == 1){
			  
			  time = '0'+ date + '-' + month + '-' + year ;		  
			  
		  } else {
			  time = date + '-' + month + '-' + year ;
		  }
	 
		 
		  return time;
	}
	
	this.setCurrentDate = function setCurrentDate(){
		
		  var dateObj = new Date();
		//return date.getdays()+"/"+date.getMonths()+"/"+date.getYears(); var a = new Date(UNIX_timestamp*1000);
		  var months = ['Jan','Feb','Mar','Apr','May','Jun','Jul','Aug','Sep','Oct','Nov','Dec'];
		  var year = dateObj.getFullYear();
		  var month = months[dateObj.getMonth()];
		  var date = String(dateObj.getDate());
		  
		  if(date.length == 1){
			  date = "0"+date;
		  }
		  
		  dashBoard.currentDate = date + '-' + month + '-' + year ;
		  
	}
	
	
	
	this.getInvolveString = function getInvolveString(participantAmountStr){
		 
		var involveStrAll = "";
		var involveStrExcept = "";
		var involveParticipantList = [];
		 
		
		//calculate involveStr
	 	var participantInvolveList = participantAmountStr.split(","); 
	 	for(var i=0;i<participantInvolveList.length;i++){
	 		
	 		var participantAndAmountArray = participantInvolveList[i].split("|");
	 		involveParticipantList[i] = participantAndAmountArray[0];
	 		if(i==0){
	 			involveStrAll = dashBoard.getParticipantNameById(participantAndAmountArray[0]);
	 		} else {
	 			involveStrAll += ","+dashBoard.getParticipantNameById(participantAndAmountArray[0]);
	 		}
	 	}
	 	
	 	 
	 	
	 	//calculate involveStrExcept	  
	 	if( dashBoard.getNumberOfParticipants() == involveParticipantList.length){
	 		involveStrExcept = "all";
	 	} else{
	 		 
	 	
	 		for (var index in dashBoard.participants) {
		 		 
				  if( dashBoard.inArrayElement(involveParticipantList,dashBoard.participants[index].id) == false){
					  if(involveStrExcept==""){
						  involveStrExcept += "all except "+dashBoard.getParticipantNameById(dashBoard.participants[index].id);
					  } else {
						  involveStrExcept += ","+dashBoard.getParticipantNameById(dashBoard.participants[index].id);
					  }
				  }
			}
	 		
	 		 
	  	}
	 	
	 	
	  
	 	
	 	if(involveStrAll.length>involveStrExcept.length){
	 		return involveStrExcept;
	 	} else{
	 		return involveStrAll;
	 	}
		
		
	}

	
	this.inArrayElement = function inArrayElement(array, value){
		 
		var result = false;
		    for(var i=0;i<array.length;i++) {
		        if(array[i] === value){
		        	result = true;
		        	break;
		        }
		    }
		    return result;
		 
	}
	
	this.getForYouString = function getForYouString(participantAmountStr){
		 
		var forYou = "";
		
	 	var participantInvolveList = participantAmountStr.split(","); 
	 	for(var i=0;i<participantInvolveList.length;i++){
	 		
	 		var participantAndAmountArray = participantInvolveList[i].split("|");
	 		if(participantAndAmountArray[0]== dashBoard.loginParticipantId){
	 			forYou = dashBoard.getFormatedAmount(participantAndAmountArray[2]);
	 		}
	 	}
	 	
	 	if(forYou==""){
	 		forYou = dashBoard.getFormatedAmount(0);
	 	}
		
		return forYou;
	}
	
	
	this.validateExpenseAddForm = function validateExpenseAddForm(source){
		
		var errorMessage = "";
		
		//validate expense name
		if (!$('#Reason').val().trim()) {
			errorMessage = "Please enter the name of your expense"
		} else if ($('#Reason').val().trim().length>25){
			errorMessage = "Expense name must be less than to 26 characters"
		}
		
		//validate amount field		
		if(errorMessage == ""){
			if(!$('#Amount').val().trim()){
				errorMessage = "Please enter valid amount"
			} else if (parseFloat($('#Amount').val()) <= parseFloat(0)) {
				errorMessage = "Please enter valid amount"
			}
		}
		
		
		//validate freeze amount		
		if(errorMessage == ""){
			 var totalFreezeAmt = dashBoard.getFormatedAmount(0);
			 
			 for (var index in dashBoard.participants) {

				 totalFreezeAmt = parseFloat(totalFreezeAmt) + parseFloat(dashBoard.getFormatedAmount(dashBoard.participants[index].currentInputExpenseFreezeAmt));
			 }	
			
			 if(dashBoard.showFormatedAmount(totalFreezeAmt) != dashBoard.showFormatedAmount($('#Amount').val().trim())){
				 errorMessage = "The distributed amount is not the same as the expense amount"
			 }
		}
		
		
		
		//validate date	
		if(errorMessage == ""){
			
			if($('#Date').val().trim() != ""){
				var dateArray  = $('#Date').val().trim().split("-");
				if(dateArray.length != 3){
					errorMessage = "Date is not valid";
				} else {
					errorMessage = isValidDate(dateArray);
				}
			}
		}
		 
		
		//set or clear error message
		if(errorMessage != ""){
			dashBoard.showErrorMessage(errorMessage);
		} else {
			
			dashBoard.clearErrorMessage();
			addExpense();
			if(source == 1){
				$(".ui-icon-closethick").trigger('click');
			} else {
				dashBoard.clearAddForm();
			}
		}
		 
	}
	
	this.showErrorMessage = function showErrorMessage(msg){
		$("#FormError").show();
		$(".ui-state-error").html(msg);
	}
	
	this.clearErrorMessage = function clearErrorMessage(){
		$("#FormError").hide();
		$(".ui-state-error").html("");
	}
	
	this.clearAddForm = function clearAddForm(){
		$('#Reason').val("");
		$('#Amount').val("");
		$("#Details").prop('checked', false);
		$("#selectAll").prop('checked', true);
		dashBoard.refreshParticipantsExpenseProperties(1);
        dashBoard.setAllCheckImpact();
        dashBoard.hideShowParticipantDetails(false);
        $('#Reason').focus();
	}
	
	this.addRowsToGrid = function addRowsToGrid(data){
		var names = ['SI', 'PaidBy', 'Amount', 'Reason', 'Date','Involve','For you?'];
		var mydata = [];
		 

		for (var i = 0; i < data.length; i++) {
		    mydata[i] = {};
		    
		    for (var j = 0; j < data[i].length; j++) {
		    	 
		        mydata[i][names[j]] = data[i][j];
		    }
		}
		
		if(dashBoard.isAddMode == true){
			for (var i = 0; i < mydata.length; i++) {
				
				//alert(i + 1);
				//alert(mydata[i]);
				
			    $("#grid").jqGrid('addRowData',data[i][0]+1, mydata[i]);
			}


			//Set the page to the last page
		


		} else {
			  
				
			 $("#grid").jqGrid('setRowData', data[0][0]+1, mydata[0]);
			 dashBoard.isAddMode = true;
		}

		
	}
	
	this.getExpenseUniqueId = function getExpenseUniqueId(){
		
		var maxExpId = 0;
		var extractedIndex = 0;
		var expenseIdArray;
		for(var i=0;i<dashBoard.groupExpenses.length;i++){
			//alert("2");
			expenseIdArray = dashBoard.groupExpenses[i].id.split("-");
			//alert("3");
			if(expenseIdArray[0]== dashBoard.loginParticipantId &&  maxExpId < parseInt(expenseIdArray[1])){
				//alert("4");
				maxExpId = parseInt(expenseIdArray[1]);
			}
		}
		
		return String(dashBoard.loginParticipantId) + "-"+ String(pad(maxExpId+1, 5));
 	}
	
	this.isValueModified = function isValueModified(oldExpObj,newExpObj){
		
		var isChanged = false;
		 
		if(oldExpObj.expenseName != newExpObj.expenseName){
			//alert(oldExpObj.expenseName);
			//alert(newExpObj.expenseName);
			isChanged = true;
		} else if(oldExpObj.paidBy != newExpObj.paidBy){
			//alert("in paid by");
			isChanged = true;
		} else if(oldExpObj.expenseDate != newExpObj.expenseDate){
			///alert(oldExpObj.expenseDate);
		//	alert(newExpObj.expenseDate);
			//alert("in date");
			isChanged = true;
		} else if(parseFloat(oldExpObj.amount) != parseFloat(newExpObj.amount)){			
			isChanged = true;
		} else if(oldExpObj.participantAmountStr != newExpObj.participantAmountStr){
		//	alert(oldExpObj.participantAmountStr);
			//alert(newExpObj.participantAmountStr);
			isChanged = true;
		} 
		
		//alert(isChanged);
		return isChanged;
		
	}
	
	
	this.addExpenseToGrid = function addExpenseToGrid(){
		var groupExpenseObj ;
		
		var previousDesc;
		var newDesc;
		var previousPaidBy;

		//collect data from edit form 		
		if(dashBoard.isAddMode == true){
			
			groupExpenseObj= new GroupExpense();
			groupExpenseObj.index = dashBoard.globalExpenseIndex++;
			groupExpenseObj.id = dashBoard.getExpenseUniqueId();			
			groupExpenseObj.expenseId = dashBoard.expense.id;
			groupExpenseObj.isAdd = "1";
			groupExpenseObj = dashBoard.getInputFormData(groupExpenseObj);
			groupExpenseObj.type = 1;
			
		} else {
			
			groupExpenseObj = new GroupExpense();
			groupExpenseObj = dashBoard.getInputFormData(groupExpenseObj);
			//check whether data is modified or not. If not change then return
			if(!dashBoard.isValueModified(dashBoard.currentEditGroupExpense,groupExpenseObj)){
				return;
			} else {
				previousPaidBy = dashBoard.getParticipantNameById(dashBoard.currentEditGroupExpense.paidBy);
				previousDesc = dashBoard.getGeneratedLog(dashBoard.currentEditGroupExpense);
				newDesc = dashBoard.getGeneratedLog(groupExpenseObj);				 
			}
			
			groupExpenseObj = dashBoard.currentEditGroupExpense;			
			groupExpenseObj = dashBoard.getInputFormData(groupExpenseObj); 
			
			groupExpenseObj.expenseId = dashBoard.expense.id;
			groupExpenseObj.isAdd = "2";
			
			groupExpenseObj.index  = dashBoard.currentEditGroupExpense.index;
			groupExpenseObj.id = dashBoard.currentEditGroupExpense.id;
			
			groupExpenseObj.previousDesc  = previousDesc;
			groupExpenseObj.newDesc = newDesc;
			groupExpenseObj.previousPaidBy  = previousPaidBy;
			 
		}
		 
		
		groupExpenseObj.isreimburse = 0;
		
		
		dashBoard.processExpenseData(groupExpenseObj);
		
		//alert("changing....");
	}
	
	this.processExpenseData = function processExpenseData(groupExpenseObj){
		 
		dashBoard.groupExpenses[groupExpenseObj.index] =  groupExpenseObj;	   
		
		 sendDataToServer(groupExpenseObj,"#ExpenseIndexForm");
	 
		var data = [];
		//alert(dashBoard.getDataByExpense(groupExpenseObj.index,groupExpenseObj));
		data.push(dashBoard.getDataByExpense(groupExpenseObj.index,groupExpenseObj)); 
		 
 		dashBoard.addRowsToGrid(data); 
 		
 		//go to the last page after adding record
 		dashBoard.setPageAfterAdd('#grid');
 		 
		
	}
	
	this.setPageAfterAdd = function setPageAfterAdd(grid_id){
		if(dashBoard.isAddMode == true){ 
			var lastPage = $(grid_id).getGridParam('lastpage');
			var totalRecords = $(grid_id).getGridParam('records');		 
			var rowNum =  $(grid_id).getGridParam('rowNum');
			
			 if(totalRecords > (rowNum*lastPage)){
				 lastPage++;
			 }
			
	 		$(grid_id).setGridParam({page:lastPage});			 
			$(grid_id).trigger("reloadGrid");
 		}
	}
	
	this.setPageAfterDelete = function setPageAfterDelete(grid_id){
		  	
			var currentPage = $(grid_id).getGridParam('page');
			var rowCount = $(grid_id).getGridParam('reccount');
			var rowNum =  $(grid_id).getGridParam('rowNum');
		 
			if(rowCount==0 && currentPage>1){
				currentPage = currentPage-1;
				$(grid_id).setGridParam({page:currentPage});			 
				
			}  
			$(grid_id).trigger("reloadGrid");
 		 
	}
	
	this.getGeneratedLog = function getGeneratedLog(expenseObj){
		 
		var logStr = "";
		
		logStr += "[Expense:"+expenseObj.expenseName+"],";
		logStr += "[PaidBy:"+dashBoard.getParticipantNameById(expenseObj.paidBy)+"],";
		logStr += "[Date:"+dashBoard.getFormatedDate(expenseObj.expenseDate)+"],";
		logStr += "[Amount:"+expenseObj.amount+' '+dashBoard.expense.currency+"],";
		logStr += "[Involves:";
		
		var participantAmtStrArray = expenseObj.participantAmountStr.split(",");
		 for (var index in participantAmtStrArray) {
			 var dataArray = participantAmtStrArray[index].split("|");
			 if(index == 0){
				 logStr += dashBoard.getParticipantNameById(dataArray[0])+"="+dataArray[2];
			 } else {
				 logStr += ","+dashBoard.getParticipantNameById(dataArray[0])+"="+dataArray[2];
			 }
		 }
		 logStr += "]"; 
	 
		
		return logStr;
	}
	
	this.getInputFormData = function getInputFormData(groupExpenseObj){
		
		
		
		var amountStr = "";
		var isDetails = false;
		 
		groupExpenseObj.paidBy = $('#PaidBy').val();
		groupExpenseObj.expenseName = $('#Reason').val();
		groupExpenseObj.amount = $('#Amount').val();		
		groupExpenseObj.expenseDate =  getTimeStampByInputDate($('#Date').val());
		
		//return groupExpenseObj;
		
		for (var index in dashBoard.participants) {
			if($("#chkParticipant"+dashBoard.participants[index].id).is(':checked')){
			 
				if(amountStr == ""){
					if(dashBoard.participants[index].isFreeze == 1){
						dashBoard.participants[index].currentInputExpensePart = "";
					}
					amountStr += dashBoard.participants[index].id+"|"+dashBoard.participants[index].currentInputExpensePart+"|"+dashBoard.getFormatedAmountDB(dashBoard.participants[index].currentInputExpenseFreezeAmt);
					
				} else {
					if(dashBoard.participants[index].isFreeze == 1){
						dashBoard.participants[index].currentInputExpensePart = "";
					}
					amountStr += ","+ dashBoard.participants[index].id+"|"+dashBoard.participants[index].currentInputExpensePart+"|"+dashBoard.getFormatedAmountDB(dashBoard.participants[index].currentInputExpenseFreezeAmt);
				
				}	 		 
			}		
			
			if((dashBoard.participants[index].isFreeze == 1) || dashBoard.participants[index].currentInputExpensePart > 1){
				isDetails = true;
			} 
		} 
		
		if(isDetails){
			groupExpenseObj.isDetails = 1;
		} else {
			groupExpenseObj.isDetails = 0;
		}
		
		
		groupExpenseObj.participantAmountStr = amountStr;
		
		return groupExpenseObj;
	}
	
	this.deleteExpense = function deleteExpense(){
		
		var rowId =$("#grid").jqGrid('getGridParam','selrow'); 
		var i;
	//	alert(rowId);
		 
		$('#grid').jqGrid('delRowData', rowId);	 
		var deletedExpObj = dashBoard.groupExpenses[rowId-1];
		//alert(deletedExpObj.id);
		deletedExpObj.isAdd = "3"; 
		
		//set log info
		deletedExpObj.previousDesc  = dashBoard.getGeneratedLog(deletedExpObj);
		deletedExpObj.newDesc = "Deleted";
		deletedExpObj.previousPaidBy  = dashBoard.getParticipantNameById(deletedExpObj.paidBy);		
		
		for(i=rowId-1;i<dashBoard.groupExpenses.length-1;i++){
			dashBoard.groupExpenses[i] = dashBoard.groupExpenses[i+1];
		}
		
		//reduce global expense index
		dashBoard.globalExpenseIndex--;
		 
		//call ajax for DB update
		 
		dashBoard.groupExpenses.splice( i,1);
		deletedExpObj.expenseId = dashBoard.expense.id;
		dashBoard.setPageAfterDelete('#grid');
		sendDataToServer(deletedExpObj,"#ExpenseIndexForm");
		$(".ui-icon-closethick").trigger('click');
		
		
	}
	
	this.resetParticipantBalance = function resetParticipantBalance(){

		var amtStr = "";
		var paidBy ;
		var amount;
		
		
		for (var index in dashBoard.participants) {	   
			dashBoard.participants[index].balance = dashBoard.getFormatedAmountDB(parseFloat(0));			 
	     } 
		
		for(var i=0;i<dashBoard.groupExpenses.length;i++){
			amtStr =  dashBoard.groupExpenses[i].participantAmountStr;
			paidBy =  dashBoard.groupExpenses[i].paidBy;
			amount =  dashBoard.groupExpenses[i].amount; 
			 
			var amtStrArray = amtStr.split(",");
			for(var j=0;j<amtStrArray.length;j++){
		 		
		 		var participantAndAmountArray = amtStrArray[j].split("|");
		 	 
		 		dashBoard.participants[participantAndAmountArray[0]].balance = dashBoard.getFormatedAmountDB(parseFloat(dashBoard.participants[participantAndAmountArray[0]].balance) - parseFloat(participantAndAmountArray[2]));
		 		//participantBalance[participantAndAmountArray[0]] = dashBoard.getFormatedAmountDB(parseFloat(participantBalance[participantAndAmountArray[0]]) - parseFloat(participantAndAmountArray[2]));
			}			
			
			dashBoard.participants[paidBy].balance = dashBoard.getFormatedAmountDB(parseFloat(dashBoard.participants[paidBy].balance) + parseFloat(amount));
 			 
			//participantBalance[paidBy] = dashBoard.getFormatedAmountDB(parseFloat(participantBalance[paidBy]) + parseFloat(amount));
 		}
	}
	
	this.updateParticipantBalance = function updateParticipantBalance(){
		
		//var isReady = false;
	//	var participantBalance = [];
		var balanceEntryParticipantBalance = [];
		var balanceString = "";
		
		var positiveParticipantBalance = [];
		var negativeParticipantBalance = [];
		 
		//reset all participant balance
		for (var index in dashBoard.participants) {	   
			//dashBoard.participants[index].balance = dashBoard.getFormatedAmountDB(parseFloat(0));
			//participantBalance[index] = dashBoard.getFormatedAmountDB(parseFloat(0));
			positiveParticipantBalance[index] = dashBoard.getFormatedAmountDB(parseFloat(0));
			negativeParticipantBalance[index] = dashBoard.getFormatedAmountDB(parseFloat(0));
	     } 
		 
		dashBoard.resetParticipantBalance();
		
		//alert("2");
 		//assign negative and posi
		for (var index in dashBoard.participants) {	   
			 if(parseFloat(dashBoard.participants[index].balance) > 0){
				 positiveParticipantBalance[index] = dashBoard.participants[index].balance;
			 } else if(parseFloat(dashBoard.participants[index].balance) < 0) {
				 negativeParticipantBalance[index] = dashBoard.participants[index].balance;
			 }			 
	     } 
		
		//sort postivie and negative
		/*positiveParticipantBalance.sort(function(a, b) {
			  return b - a;
		});
		
		negativeParticipantBalance.sort(function(a, b) {
			  return a - b;
		});*/
				
		//add balance amount in positive and negative
		/*for (var index in balanceEntryParticipantBalance) {	 
			if(parseFloat(balanceEntryParticipantBalance[index]) > 0 ){
				positiveParticipantBalance[index] = dashBoard.getFormatedAmountDB(parseFloat(positiveParticipantBalance[index]) - parseFloat(balanceEntryParticipantBalance[index]));
			} else if(parseFloat(balanceEntryParticipantBalance[index]) < 0 ){
				negativeParticipantBalance[index] = dashBoard.getFormatedAmountDB(parseFloat(negativeParticipantBalance[index]) + parseFloat(balanceEntryParticipantBalance[index]));
			}
		}*/
		
		//scan and shift positive and negative
		
		//sort positive and negative again
		
		//calculate who needs to pay whom
		
		
	//	alert("3");
		//if pos and neg values are same, then direct exchange payment
		
		for (var posIndex in positiveParticipantBalance) {	
			
			if(dashBoard.showFormatedAmount(parseFloat(positiveParticipantBalance[posIndex])) > dashBoard.showFormatedAmount(parseFloat(0))){ 
				 
				for (var negIndex in negativeParticipantBalance) {	 
						// alert(dashBoard.showFormatedAmount(parseFloat(positiveParticipantBalance[posIndex])));
						// alert(dashBoard.showFormatedAmount(parseFloat(negativeParticipantBalance[negIndex])*(-1)));
					if(dashBoard.showFormatedAmount(parseFloat(positiveParticipantBalance[posIndex])) == dashBoard.showFormatedAmount(parseFloat(negativeParticipantBalance[negIndex])*(-1))
							&& dashBoard.showFormatedAmount(parseFloat(positiveParticipantBalance[posIndex])) > dashBoard.showFormatedAmount(parseFloat(0))){
						 
						if(balanceString == ""){								
							balanceString = balanceString + negIndex +"|" + posIndex +"|" + dashBoard.showFormatedAmount(parseFloat(negativeParticipantBalance[negIndex])*(-1));
						} else{
							balanceString = balanceString+"," + negIndex +"|" + posIndex +"|" + dashBoard.showFormatedAmount(parseFloat(negativeParticipantBalance[negIndex])*(-1));
						}		
						//update array amount
						positiveParticipantBalance[posIndex] = 0;
						negativeParticipantBalance[negIndex] = 0;							
					}
				}
			
			}
		}	 
		
		//alert("4");
	
		//distribute amount among pos values
		var maxPartIndex = dashBoard.getMaxMinParticipantId(positiveParticipantBalance,1);
		var minPartIndex = dashBoard.getMaxMinParticipantId(negativeParticipantBalance,2); 
		 
		
		while(maxPartIndex != "" && minPartIndex != ""){
			
			var maxVal = parseFloat(positiveParticipantBalance[maxPartIndex]);
			//alert(maxVal)
		
			//alert(negativeParticipantBalance[minPartIndex]);
			
			
			if(minPartIndex != ""){
				
				var decrementalVal = parseFloat(negativeParticipantBalance[minPartIndex]) *(-1);
				if(parseFloat(decrementalVal) >parseFloat(maxVal)){
					decrementalVal = dashBoard.getFormatedAmountDB(maxVal);
				}
				 
				//update array
				positiveParticipantBalance[maxPartIndex] = dashBoard.getFormatedAmountDB(parseFloat(positiveParticipantBalance[maxPartIndex]) - parseFloat(decrementalVal));
				negativeParticipantBalance[minPartIndex] = dashBoard.getFormatedAmountDB(parseFloat(negativeParticipantBalance[minPartIndex]) + parseFloat(decrementalVal));
				 
				if(balanceString == ""){
					balanceString = balanceString + minPartIndex +"|" + maxPartIndex +"|" + decrementalVal;
				} else{
					balanceString = balanceString+"," + minPartIndex +"|" + maxPartIndex +"|" + decrementalVal;
				}	
			
			}
			
			//alert("5");
			//check equal
			for (var posIndex in positiveParticipantBalance) {	
			 
				if(dashBoard.showFormatedAmount(parseFloat(positiveParticipantBalance[posIndex])) > dashBoard.showFormatedAmount(parseFloat(0))){ 
						 
					for (var negIndex in negativeParticipantBalance) {	 
 						 
						if(dashBoard.showFormatedAmount(parseFloat(positiveParticipantBalance[posIndex])) == dashBoard.showFormatedAmount(parseFloat(negativeParticipantBalance[negIndex])*(-1))
								&& dashBoard.showFormatedAmount(parseFloat(positiveParticipantBalance[posIndex])) > dashBoard.showFormatedAmount(parseFloat(0))){
							
							if(balanceString == ""){								
								balanceString = balanceString + negIndex +"|" + posIndex +"|" + dashBoard.showFormatedAmount(parseFloat(negativeParticipantBalance[negIndex])*(-1));
							} else{
								balanceString = balanceString+"," + negIndex +"|" + posIndex +"|" + dashBoard.showFormatedAmount(parseFloat(negativeParticipantBalance[negIndex])*(-1));
							}		
							//update array amount
							positiveParticipantBalance[posIndex] = 0;
							negativeParticipantBalance[negIndex] = 0;							
						}
					}
				
				}
			}			
			
			maxPartIndex = dashBoard.getMaxMinParticipantId(positiveParticipantBalance,1);
			minPartIndex = dashBoard.getMaxMinParticipantId(negativeParticipantBalance,2); 
			
		}
		//alert(balanceString);
		return balanceString;
		
		
	}
	
	this.getMaxMinParticipantId = function getMaxMinParticipantId(balanceList,ind){
		
		var result  = 0;
		var participantIndex='';
		for (var index in balanceList) {	
			//alert(dashBoard.showFormatedAmount(parseFloat(balanceList[index])));
			if(ind == 1){
				if(dashBoard.showFormatedAmount(parseFloat(balanceList[index])) > parseFloat(result)){
					participantIndex = index;
					result = parseFloat(balanceList[index]);
				}
			} else {	 
					 
					if(dashBoard.showFormatedAmount(parseFloat(balanceList[index])) < parseFloat(result)){
						participantIndex = index;
						result = parseFloat(balanceList[index]);
					}
				 
			}
		}
		
		return participantIndex;
		
	}
	
	this.createGraphImage = function createGraphImage(){
		$("#balance_chart_image").html("");
		var imgData = $('#balance_chart').jqplotToImageStr({});  
		var imgElem = $('<img\/>').attr('src',imgData).attr('id',"graph_image_id").attr('alt',"balance.png");  
		 $("#balance_chart_image").html(imgElem);
		 dashBoard.downloadImage("graph_image_id");
	//	$('#balance_chart_image').append(imgElem);​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​  
	}
	
	
	this.downloadImage = function downloadImage(imageURL) {
	   /* var oImage = document.getElementById(imageURL);
	    var canvas = document.createElement("canvas");
	    document.body.appendChild(canvas);
	    if (typeof canvas.getContext == "undefined" || !canvas.getContext) {
	        alert("browser does not support this action, sorry");
	        return false;
	    }*/

	    try {
	    	var img = document.getElementById(imageURL);
	    	 
	    	// window.location.href = img.src.replace('image/png', 'image/octet-stream');
	    	window.open(img.src.replace('image/png', 'image/png'), "_blank");
	    	
	       /* var context = canvas.getContext("2d");
	        var width = oImage.width;
	        var height = oImage.height;
	        canvas.width = width;
	        canvas.height = height;
	        canvas.style.width = width + "px";
	        canvas.style.height = height + "px";
	        context.drawImage(oImage, 0, 0, width, height);
	        var rawImageData = canvas.toDataURL("image/png;base64");
	        rawImageData = rawImageData.replace("image/png", "image/octet-stream");
	        document.location.href = rawImageData;
	       // document.location.setAttribute("download", "YourFileName.jpeg");
	        document.body.removeChild(canvas);*/
	    }
	    catch (err) {
	       // document.body.removeChild(canvas);
	        alert("Sorry, can't download");
	    }

	    return true;
	}
	
	 
	
	this.drawGraph = function drawGraph(){
		
		if(plot1){
			
			  plot1.destroy(); 
		}
		 
		var balanceString = dashBoard.updateParticipantBalance();
	     var data = [];	     
	     var barLabel = [];	 
	     var ticks = [];
	    
	     for (var index in dashBoard.participants) {  
	    //	alert(parseFloat(dashBoard.participants[index].balance));
	    	 data.push(parseFloat(dashBoard.showFormatedAmount(dashBoard.participants[index].balance)));		
	    	 barLabel.push(dashBoard.showFormatedAmount(parseFloat(dashBoard.participants[index].balance)));
	    	 ticks.push(dashBoard.getParticipantNameById(dashBoard.participants[index].id) );
	     } 
	    
	    // Can specify a custom tick Array.
	    // Ticks should match up one for each y value (category) in the series.
	   //var ticks = ['Rajib', 'Athar', 'Usama', 'Ajmal'];
		
		
		var options = {
		        // The "seriesDefaults" option is an options object that will
		        // be applied to all series in the chart.
		        seriesDefaults:{
		            renderer:$.jqplot.BarRenderer,
		            rendererOptions: {fillToZero: true}
		        },
		        // Custom labels for the series are specified with the "label"
		        // option on the series option.  Here a series option object
		        // is specified for each series.
		        series:[
		            {
		            	 
		            	color: '#008000', 
		            	showMarker: true,
		            	pointLabels:{
			                show: true,
			                labels:barLabel
			              }
		            	 
		            } 
		            
		             
		        ],
		        // Show the legend and put it outside the grid, but inside the
		        // plot container, shrinking the grid to accomodate the legend.
		        // A value of "outside" would not shrink the grid and allow
		        // the legend to overflow the container.
		       
		        
		        negativeSeriesColors: ["#FF0000"],
		        axes: {
		            // Use a category axis on the x axis and use our custom ticks.
		            xaxis: {
		                renderer: $.jqplot.CategoryAxisRenderer,
		                ticks: ticks
		            },
		            // Pad the y axis just a little so bars can get close to, but
		            // not touch, the grid boundaries.  1.2 is the default padding.
		            yaxis: {
		                pad: 1.18,
		                tickOptions: {formatString: '%d '+dashBoard.expense.currency}
		            }
		        },
		        title: { 
		        	text: 'Balance of "'+dashBoard.expense.title+'"'
		            	
		        },
		         
		    };  
	 
			 
		    plot1 = $.jqplot('balance_chart', [data],options); 
		    
		    dashBoard.showBalanceDetails(balanceString);
		    
		  //  dashBoard.createGraphImage();   
		 
		   // alert(plot1);
	} 
	
	
	this.showBalanceDetails = function showBalanceDetails(balanceString){
	  
		var balancePaymentHtml = "<table>";
		
		if(balanceString != ""){
		
			var balanceStringArr = balanceString.split(",");
			//alert(balanceStringArr.length);
			
			for (var index in balanceStringArr) {	
				//alert(balanceStringArr[index]);
				var balanceStringval = balanceStringArr[index].split("|");
				balancePaymentHtml = balancePaymentHtml + '<tr><td><b>'+dashBoard.getParticipantNameById(balanceStringval[0])+'</b> should pay to '+dashBoard.getParticipantNameById(balanceStringval[1])+' &nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<b>'+dashBoard.showFormatedAmount(parseFloat(balanceStringval[2]))+'</b> '+dashBoard.expense.currency+'<a onClick="dashBoard.insertBalanceEntry('+balanceStringval[0]+','+balanceStringval[1]+','+balanceStringval[2]+')" style="cursor: pointer;"> <b>(Mark as Paid)</b></a></td></tr>';
			}	  
		}
	  		
	  	balancePaymentHtml = balancePaymentHtml + "</table>";
	 // alert(balancePaymentHtml);
	  
	  $("#balance_payment_div").html(balancePaymentHtml);
	}
 
	
	this.insertBalanceEntry = function insertBalanceEntry(payerId,paytoId,amount){
		
		 
		groupExpenseObj= new GroupExpense();
		groupExpenseObj.index = dashBoard.globalExpenseIndex++;
		groupExpenseObj.id = dashBoard.getExpenseUniqueId();			
		groupExpenseObj.expenseId = dashBoard.expense.id;
		groupExpenseObj.isAdd = "1";
		
		groupExpenseObj.type = 2; //1=normal expense,2=balance expense	
		groupExpenseObj.paidBy = payerId;
		groupExpenseObj.expenseName = "Balance Expense";
		groupExpenseObj.amount = amount;		
		groupExpenseObj.expenseDate =  Math.round(+new Date()/1000);
		groupExpenseObj.isDetails = 0;
		groupExpenseObj.participantAmountStr = paytoId+'|'+'1'+'|'+amount;
		
		
		groupExpenseObj.isreimburse = 0;
		
		
		dashBoard.processExpenseData(groupExpenseObj);
		dashBoard.drawGraph();
	}
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	///////////////////////////////////////////////////////////////// Participant section ////////////////////////////////////////////
	
	this.validParticipantInputForm = function validParticipantInputForm(name,skipPartId){
		var errorMessage = "";
		 
		//validate participant name
		if (!name.trim()) {
			errorMessage = "Please enter participant name"
		} else if (name.trim().length>12){
			errorMessage = "Expense name must be less than to 12 characters"
		}
		
		if(errorMessage == ""){
			//check the participant name already exist or not
			for (var index in dashBoard.participants) {	 		 
				 
				if(skipPartId != dashBoard.participants[index].id){				
				  if(dashBoard.participants[index].name.toLowerCase() == name.trim().toLowerCase()){
					  errorMessage = "Participant already exist"
					  break;
				  }
				}
			}
		} 
		 
		return errorMessage;
		
	}
	
	this.processAfterValidation = function processAfterValidation(errorMessage){
		if(errorMessage != ""){
			dashBoard.showErrorMessage(errorMessage);
		} else {			
			dashBoard.clearErrorMessage();
			dashBoard.addParticipant();
			$(".ui-icon-closethick").trigger('click');
		}
	}
	
	this.addParticipant = function addParticipant(){
		
		//generate auto ID for new participant
		var newParticipantId = 0;
		for (var index in dashBoard.participants) {
			if(dashBoard.participants[index].id > newParticipantId){
				newParticipantId = dashBoard.participants[index].id;
				
			}
		}
		
		var participantObj = new Participant();
		participantObj.id =   ++newParticipantId;
		participantObj.name = $('#Name').val().trim();
		participantObj.isCreator = 0;
		participantObj.create_date = Math.round(+new Date()/1000);
		participantObj.balance = 0;
		participantObj.isFreeze = 0;
		participantObj.expense_id = dashBoard.expense.id;
		participantObj.isAdd = 1;
		 
		//participants.push(participantObj);
		//insert into grid
		dashBoard.processParticipantData(participantObj);
		//send to database
		 
	}
	
	this.processParticipantData = function processParticipantData(participantObj){
		 
		dashBoard.participants[participantObj.id] =  participantObj;	   
		
		
	 
		var data = [];
		//alert(dashBoard.getDataByExpense(groupExpenseObj.index,groupExpenseObj));
		data.push([participantObj.id, participantObj.name,dashBoard.showFormatedAmount(participantObj.balance)+" "+dashBoard.expense.currency,""]);	
		 
		  //alert(participantObj.name);
 		
 		//dashBoard.setParticipantAmtHtmlFormat();
 		
 		//go to the last page after adding record
 		
 		$('#grid').jqGrid('GridUnload');
 		dashBoard.showExpenseList();
 		
 		dashBoard.addRowsToParticipantGrid(data,true); 
 		dashBoard.setParticipantGridExtension(); 	
 		
 	//	$('#participant_grid').jqGrid('GridUnload');
 		//dashBoard.displayParticipantList();
 		
 		dashBoard.setPageAfterAdd('#participant_grid');
 		
 		sendDataToServer(participantObj,"#participantForm");
 		 
		
	}

	this.updateParticipant = function updateParticipant(participantId,newName){
	//	alert("helo");
		var participantObj = new Participant();
		participantObj.id =  participantId;
		participantObj.name = newName;		 
		participantObj.expense_id = dashBoard.expense.id;
		participantObj.isAdd = 2;
		
		
		//update participant array;
		var existingPartcipantObj = dashBoard.participants[participantId];
		existingPartcipantObj.name = newName;
		dashBoard.participants[participantId] = existingPartcipantObj;
		 
	
		
		//update grid
		var data = [];
		//alert(dashBoard.getDataByExpense(groupExpenseObj.index,groupExpenseObj));
		data.push([existingPartcipantObj.id, existingPartcipantObj.name,dashBoard.showFormatedAmount(existingPartcipantObj.balance)+" "+dashBoard.expense.currency,""]);	
		 //alert("helo2");
 		dashBoard.addRowsToParticipantGrid(data,false); 
 		//dashBoard.setParticipantAmtHtmlFormat();
 	// alert("helo3");
 		//jQuery("#participant_grid").trigger("reloadGrid");
 		$('#grid').jqGrid('GridUnload');
 		dashBoard.showExpenseList();
 		
 		dashBoard.setParticipantGridExtension(); 
 	  //alert("helo4");
 		dashBoard.setPageAfterAdd('#participant_grid');
 		 //alert("helo5");
 		//$('#participant_grid').jqGrid('GridUnload');
 		//dashBoard.displayParticipantList();
 		
 		
 		sendDataToServer(participantObj,"#participantForm"); 
 		 
	}

	this.deleteParticipant = function deleteParticipant(index){
		//alert("hello");
		var rowId =$("#participant_grid").jqGrid('getGridParam','selrow'); 
		var i;
		var rowData = jQuery("#participant_grid").getRowData(rowId);
		
		//prepare delete object
		var participantObj = new Participant();
		participantObj.id =   rowData['SI'];
		participantObj.name = rowData['Name'];		 
		participantObj.expense_id = dashBoard.expense.id;
		participantObj.isAdd = 3;
		//alert(rowData['SI']);
		//delete record from list
		//dashBoard.participants[participantObj.id]
		$('#participant_grid').jqGrid('delRowData', rowId);	
		
		delete dashBoard.participants[ participantObj.id];
		//alert(dashBoard.participants[ participantObj.id]);
		//dashBoard.setParticipantAmtHtmlFormat();
		 
		
		$('#grid').jqGrid('GridUnload');
 		dashBoard.showExpenseList();
 		
 	//	$('#participant_grid').jqGrid('GridUnload');
 		//dashBoard.displayParticipantList();
 		
 		dashBoard.setParticipantGridExtension(); 	
 		
 		dashBoard.setPageAfterDelete('#participant_grid');
		
		sendDataToServer(participantObj,"#participantForm"); 
		$(".ui-icon-closethick").trigger('click'); 
	}
	
	
	this.displayParticipantList = function displayParticipantList(){
		
		var partNameBeforeEdit = "";
		
		var maxRowNum = 0;
		
		for(var index in  dashBoard.participants.length){
			maxRowNum++;
		}
		 
        if(maxRowNum<51){
        	maxRowNum = 50;
        }  
		
		$("#participant_grid").jqGrid({
		    datatype: "local",
		    height: 140,
		    width: 540,
		    colNames: ['SI', 'Name', 'Current Balance',''],
		    colModel: [
		    {
		        name: 'SI',
		        index: 'SI',
		        width: 0,
		        sorttype: "int",
		        hidden:true
		    },
		    {
		        name: 'Name',
		        index: 'Name',
		        width: 90 ,
		        align:'center',
		        editable: true
		         
		    } ,
		    {
		        name: 'Current Balance',
		        index: 'Current Balance',
		        width: 90 ,
		        align:'center',
		         
		         
		    } ,
		    {
		        name: 'Action',
		        index: 'Action',
		        width: 20 ,
		        align:'center',
		        //formatter: 'actions',
		        formatter:  function(cellvalue,options,rowObject) {		        	 
		            return dashBoard.inlineNavAction(cellvalue,options,rowObject, (options.rowId!='new_row'));
		         },
		        formatoptions:{
		        	keys:true,
		        	onSuccess : function(){
		        	//	 alert(rowId);
		        		var rowId =$("#participant_grid").jqGrid('getGridParam','selrow'); 		        	 
		        		var rowData = jQuery("#participant_grid").getRowData(rowId);
		        		var inputVal = $("#"+rowData['SI']+"1_Name").val().trim();
		        		//alert(dashBoard.participants[rowData['SI']].name);
		        		//alert(inputVal);
		        		 
		        		if(dashBoard.participants[rowData['SI']].name != inputVal){
		        		
			        		var errorMsg = dashBoard.validParticipantInputForm(inputVal,rowData['SI']);
			        		if( errorMsg == ""){		        		
			        			dashBoard.updateParticipant(rowData['SI'],inputVal);
			        		} else {
			        			$("#error_dialog" ).html(errorMsg);
			        			$("#error_dialog" ).dialog();
			        			
			        			/*$("#error_dialog" ).html(errorMsg);
			        			$("#error_dialog" ).dialog();*/
			        			$("#"+rowData['SI']+"1_Name").focus();
			        			jQuery.fn.fmatter.rowactions.call(this,'edit');
			        			
			        		}
		        		
		        		} 
		        		
		        	 }  
		        	 
		        }
		         
		    } 
		    
		    ],
		         
			    rowNum      : maxRowNum,	         
	            rowList:[6,10,20,maxRowNum],            
	            pager: '#participant_pager',
	            gridview:true,
	            rownumbers:true,
	            autoencode:true,
	            ignoreCase:true,
	           // sortname: 'invdate',
	            viewrecords: true,
	            sortorder: 'desc',
	            caption:'Participant List',  
            	loadComplete: function(){
            		dashBoard.setParticipantGridExtension(); 	
            	}
		    } 
		 
		);
		
		
		
		
		
		$("#participant_grid").jqGrid('navGrid','#participant_pager',{
			add:true,addtitle: 'Add Participant',
			edit:false,edittitle: 'Modify Participant',
			del:false,deltitle: 'Delete Participant' ,
			search:true,searchtitle: 'Find Participant'},
			{ // Edit
			      recreateForm: true,
			      beforeInitData: function () {
 			      }
			  },
			  { // Add
			      recreateForm: true,
			      beforeInitData: function () {
			    	  
 			      }
			  }
		
		);
		
		$("#participant_grid").jqGrid('setGridParam', {ondblClickRow: function(rowid,iRow,iCol,e){
			//dashBoard.isAddMode = false; 
			//jQuery(this).jqGrid('editGridRow', rowid);
			//var object = $("jEditButton_"+rowid);
			//alert(object);
		//	jQuery(this).jqGrid('editGridRow', rowid);
			 jQuery.fn.fmatter.rowactions.call(document.getElementById("jEditButton_"+rowid),'edit');
			//alert("hello");
			//alert(rowid);
			
		}});
		
		 
		
		var data = [];
		 
		$("#participant_grid").jqGrid("clearGridData", true).trigger("reloadGrid");
		
		for (var index in dashBoard.participants) {			 
			data.push([dashBoard.participants[index].id, dashBoard.participants[index].name,dashBoard.showFormatedAmount(dashBoard.participants[index].balance)+" "+dashBoard.expense.currency,""]);	
				 
		}
		
		dashBoard.addRowsToParticipantGrid(data,true);
		
	}
	
	
	 
	
	this.inlineNavAction = function inlineNavAction(cellvalue, options, rowObject, isSavedRow){
	 
    	var rowid = options.rowId;
       
        var ocl = "id='jEditButton_"+rowid+"' onclick=jQuery.fn.fmatter.rowactions.call(this,'edit'); onmouseover=jQuery(this).addClass('ui-state-hover'); onmouseout=jQuery(this).removeClass('ui-state-hover'); ";
        var str = "<div title='Modify Participant' style='float:left;cursor:pointer;' class='ui-pg-div ui-inline-edit' "+ocl+"><span class='ui-icon ui-icon-pencil'></span></div>";
        
        if(parseFloat(rowObject['Current Balance']) == parseFloat(0)
        		&& dashBoard.participants[rowObject['SI']].isCreator != "1"
        		&& rowObject['SI'] != dashBoard.loginParticipantId){
        	ocl = "id='jDeleteButton_"+rowid+"' onclick=jQuery.fn.fmatter.rowactions.call(this,'del'); onmouseover=jQuery(this).addClass('ui-state-hover'); onmouseout=jQuery(this).removeClass('ui-state-hover'); ";
        	str += "<div title='Delete Participant' style='float:left;cursor:pointer;margin-left:5px;' class='ui-pg-div ui-inline-del' "+ocl+"><span class='ui-icon ui-icon-trash'></span></div>";
        }
        
        
        ocl = "id='jSaveButton_"+rowid+"' onclick=jQuery.fn.fmatter.rowactions.call(this,'save'); onmouseover=jQuery(this).addClass('ui-state-hover'); onmouseout=jQuery(this).removeClass('ui-state-hover'); ";
        str += "<div title='"+$.jgrid.edit.bSubmit+"' style='float:left;display:none' class='ui-pg-div ui-inline-save' "+ocl+"><span class='ui-icon ui-icon-disk'></span></div>";
        ocl = "id='jCancelButton_"+rowid+"' onclick=jQuery.fn.fmatter.rowactions.call(this,'cancel'); onmouseover=jQuery(this).addClass('ui-state-hover'); onmouseout=jQuery(this).removeClass('ui-state-hover'); ";
        str += "<div title='"+$.jgrid.edit.bCancel+"' style='float:left;margin-left:5px;;display:none' class='ui-pg-div ui-inline-cancel' "+ocl+"><span class='ui-icon ui-icon-cancel'></span></div>";
         
        return "<div style='margin-left:8px;'>" + str + "</div>"; 
    } 
	
	
	this.setParticipantGridExtension = function setParticipantGridExtension(){
		$.extend($.jgrid.edit, {
			addCaption: "Add Participant",
			editCaption: "Modify Participant",
		    bSubmit: "Save",
		    bCancel: "Cancel",
		    width:300,
		    
		    recreateForm: true,
		    beforeShowForm: function () {
		    	
		    },
		    
		   beforeSubmit: function(response, postData) {    			    
			   dashBoard.processAfterValidation(dashBoard.validParticipantInputForm($('#Name').val(),-1))
			   
            } 
		
		});
		
		$.extend($.jgrid.del, {
			 
			caption: "Delete Participant",
            msg: "Do you want to delete the participant?",  
		   beforeSubmit: function(response, postData) {             
			   dashBoard.deleteParticipant();
            }
		
		});
	}

	 
	
	this.addRowsToParticipantGrid = function addRowsToParticipantGrid(data,isAdd){
		var names = ['SI', 'Name', 'Current Balance',''];
		var mydata = [];
		 

		for (var i = 0; i < data.length; i++) {
		    mydata[i] = {};
		    
		    for (var j = 0; j < data[i].length; j++) {
		    	 
		        mydata[i][names[j]] = data[i][j];
		    }
		}
		
		 if(isAdd == true){
			for (var i = 0; i < mydata.length; i++) {
				
				//alert(i + 1);
				//alert(mydata[i]);
				
			    $("#participant_grid").jqGrid('addRowData',data[i][0]+1, mydata[i]);
			} 
			//Set the page to the last page 
		} else {
			  
				
			 $("#participant_grid").jqGrid('setRowData', data[0][0]+1, mydata[0]);
			 
		}

		
	}
	
	
	
	
}


function isValidDate(dateArray){
	
	var errorMessage = "";
	var error = "Date is not valid";
	 
	var day = dateArray[0];
	var month = dateArray[1];
	var year = dateArray[2];
	
	month = getNoMonthFromStrMon(month);
	
	if(month == ""){
		errorMessage = error;
	}
    
    if(errorMessage == ""){
    	
    	 
    	if((parseInt(day) <= 31 && parseInt(day) >= 1)
    			&& (parseInt(month) <= 12 && parseInt(month) >= 1)
    			&&  (parseInt(year) <= 2999 && parseInt(year) >= 1900)){
    		 
    		if(parseInt(month)== 2 && parseInt(day) > 28){
    			if(!isLeapYear(year)){
    				 
    				errorMessage = error;
    			}  
    		}
    		
    	} else {
    		 
    		errorMessage = error;
    	}
    	 
    }
  
 
	 
	 return errorMessage;
	
}

function getNoMonthFromStrMon(month){
	
	 
	
var months = ['jan','feb','mar','apr','may','jun','jul','aug','sep','oct','nov','dec'];
	
	switch (month.toLowerCase()) {
    case months[0]:
    	month = "01";
        break;
    case months[1]:
    	month = "02";
        break;
    case months[2]:
    	month = "03";
        break;
    case months[3]:
    	month = "04";
        break;
    case months[4]:
    	month = "05";
        break;
    case months[5]:
    	month = "06";
        break;
    case months[6]:
    	month = "07";
        break;
    case months[7]:
    	month = "08";
        break;
    case months[8]:
    	month = "09";
        break;
    case months[9]:
    	month = "10";
        break;
    case months[10]:
    	month = "11";
        break;
    case months[11]:
    	month = "12";
        break;
    default:
    	month = "";
	}
	
	return month;
}

function getTimeStampByInputDate(dateStr){
	var dateArray  = dateStr.trim().split("-");
	if(dateArray[0].length == 1){		 
		dateArray[0] = "0"+dateArray[0];
	}
	return (new Date(dateArray[2]+"-"+getNoMonthFromStrMon(dateArray[1])+"-"+dateArray[0]).getTime())/1000;
}

function isLeapYear(year)
{
  return ((year % 4 == 0) && (year % 100 != 0)) || (year % 400 == 0);
}

function pad(n, width, z) {
	  z = z || '0';
	  n = n + '';
	  return n.length >= width ? n : new Array(width - n.length + 1).join(z) + n;
}


function addExpense(){
	
	if(dashBoard.isAddMode == true){
		dashBoard.addExpenseToGrid();
	//	sendDataToServer();
		
	} else {
		dashBoard.addExpenseToGrid();
		//sendDataToServer();
		
	}
	
	//ReloadBalance();
	//updateParticipantBalance();
}

function sendDataToServer(formData,formName){	
	// alert(formName);
     //get form action
     var formUrl = $(formName).attr('action');
     
    
	$.ajax({
        type: 'POST',
        url: formUrl,
        data: formData,
        success: function(data,textStatus,xhr){
          // alert(data);
                if(data.trim()  == "+000"){     
                	                  
                	//alert("Success")
                } else{
                	
                	showMessage("Data saving failed!");
                }
        },
        error: function(xhr,textStatus,error){
              //  alert(error);
        }
    });	
        
}


$('#sendEmailForm').submit(function(){
	
	$("#ExpenseEmailExpenseTitle").val(dashBoard.expense.title);
	$("#ExpenseEmailUniqueURL").val(window.location.href);
	 
	//document.getElementById("dvLoading").style.display = "block";
    //serialize form data
    var formData = $(this).serialize();
    //get form action
    var formUrl = $(this).attr('action');
    
 
    $.ajax({
        type: 'POST',
        url: formUrl,
        data: formData,
        success: function(data,textStatus,xhr){
        	showMessage("Email Sent!");
        },
        error: function(xhr,textStatus,error){
        	showMessage("Email Sending Failed!");
        }
    });	
        
    return false;
});


$('#viewLogForm').submit(function(){
	$("#ExpenseLogExpenseId").val(dashBoard.expense.id);
	document.getElementById("dvLoading").style.display = "block";
    //serialize form data
    var formData = $(this).serialize();
    //get form action
    var formUrl = $(this).attr('action');
    
 
    $.ajax({
        type: 'POST',
        url: formUrl,
        data: formData,
        success: function(data,textStatus,xhr){
        	dashBoard.generateLogList(data);
        	document.getElementById("dvLoading").style.display = "none"; 
        },
        error: function(xhr,textStatus,error){
             //  alert(error);
        }
    });	
        
    return false;
});


 

$('#updateGroupExpenseForm').submit(function(){
    //serialize form data
    var formData = $(this).serialize();
    //get form action
    var formUrl = $(this).attr('action');
    
	$('#updateGroupExpenseForm').find('span').text("");
	
	if(dashBoard.expense.title == $("#ExpenseTitle").val().trim()
	&& dashBoard.expense.currency == $("#ExpenseCurrency").val().trim()
	& dashBoard.expense.description == $("#ExpenseDescription").val().trim()
	){
		return false;
	}
		
	dashBoard.expense.title =  $("#ExpenseTitle").val();
  	dashBoard.expense.currency = $("#ExpenseCurrency").val();
	dashBoard.expense.description = $("#ExpenseDescription").val(); 
	
	$('#grid').jqGrid('GridUnload'); 
	dashBoard.showExpenseList();
    
    $.ajax({
        type: 'POST',
        url: formUrl,
        data: formData,
        success: function(data,textStatus,xhr){
          
            if(data.trim()  == "+000"){
              	
            	$("#error_dialog" ).html("Data saved successfully!");
    			$("#error_dialog" ).dialog();
            	//alert("SUCCESSFULLY updated"); 
            } else{
				var lineArray = data.split("#"); 
				var totalLine = lineArray.length-1;
				for(var i=0;i<totalLine;i++){
					var msgArray = lineArray[i].split("|"); 							
					$('#error_'+msgArray[0]).text(msgArray[1]);
				}
            }
        },
        error: function(xhr,textStatus,error){
              //  alert(error);
        }
    });	
        
    return false;
});
 
function showMessage(message){
	$("#error_dialog" ).html(message);
	$("#error_dialog" ).dialog();
}

function sendEmail(formData,formName){	
	// alert(formName);
     //get form action
     var formUrl = $(formName).attr('action');
     
    
	$.ajax({
        type: 'POST',
        url: formUrl,
        data: formData,
        success: function(data,textStatus,xhr){
          // alert(data);
                if(data.trim()  == "+000"){ 
                	                   
                	 
                } else{
				 
                }
        },
        error: function(xhr,textStatus,error){
              //  alert(error);
        }
    });	
        
}
 

 
function Expense(){
	this.id;
	this.unique_url;
	this.title;
	this.currency;
	this.description;
	this.create_date;	
}

function GroupExpense(){
	this.index;
	this.id;
	this.expenseId;
	this.isAdd;
	this.paidBy;
	this.expenseName;
	this.amount;
	this.participantAmountStr;	 
	this.expenseDate;	
	this.participantAmtHtml;	
	this.noOfNotes;
	this.noOfModification;
	this.isDetails;
	this.isreimburse;
	this.previousDesc;
	this.newDesc;
	this.previousPaidBy;
	this.type;//1=normal expense,2=balance entry
}

function FilteredGroupExpense(){
	this.id;
	this.paidBy;
	this.amount;
	this.expenseName;
	this.expenseDate;
	this.involves;
	this.forYou;		
	this.noOfNotes;
	this.noOfModification;
}

function Log(){
	this.expenseId;
	this.fromDate;
	this.toDate;
}
function Email(){
	this.email;
	this.uniqueURL;
	this.title;
}


function Participant(){
	
	this.id;	
	this.name;	
	this.isCreator;
	this.create_date;
	this.balance;	  
	this.isFreeze;
	this.currentInputExpensePart;
	this.currentInputExpenseFreezeAmt;	
	this.expense_id;	
	this.isAdd;
}