Following is the code in which I am getting a view state error :
VF PAGE:
<apex:page standardController="Technical_Verification__c" extensions="tvDocUpload" sidebar="false" showHeader="false" readonly="true">
<head>
<apex:includeScript value="{!URLFOR($Resource.ExifJar, '/jquery-1.7.1.js')}" />
<apex:includeScript value="{!URLFOR($Resource.ExifJar, '/exif.js')}" />
<script>
window.resizeTo( 870, 300)
function redirectTo() {
var vlu = '{!$CurrentPage.Parameters.flg}';
if (vlu == 'true' || vlu == true) {
opener.location.href = '/{!$CurrentPage.parameters.id}';
close();
}
}
redirectTo();
</script>
<script>
function getGPSdata(e) {
EXIF.getData(e.files[0], function() {
var lat = EXIF.getTag(this, "GPSLatitude");
lat = lat + "";
var arrLat = lat.split(",");
var deciLat = parseFloat(arrLat[0]) + parseFloat(arrLat[1]/60) + parseFloat(arrLat[2]/3600);
var longi = EXIF.getTag(this, "GPSLongitude");
longi = longi + "";
var arrLong = longi.split(",");
var deciLong = parseFloat(arrLong[0]) + parseFloat(arrLong[1]/60) + parseFloat(arrLong[2]/3600);
if(lat != 'undefined' && longi != 'undefined'){
//alert('1');
document.querySelectorAll('[id$="GPSLatitude1"]')[0].value = deciLat;
document.querySelectorAll('[id$="GPSLongitude1"]')[0].value = deciLong;
document.querySelectorAll('[id$="GPSLatitude2"]')[0].innerHTML = deciLat;
document.querySelectorAll('[id$="GPSLongitude2"]')[0].innerHTML = deciLong;
}else{
//alert('2');
alert('GeoLocation is missing!');
document.querySelectorAll('[id$="GPSLatitude1"]')[0].value = null;
document.querySelectorAll('[id$="GPSLongitude1"]')[0].value = null;
document.querySelectorAll('[id$="GPSLatitude2"]')[0].innerHTML = null;
document.querySelectorAll('[id$="GPSLongitude2"]')[0].innerHTML = null;
}
var str = EXIF.getTag(this, "DateTimeOriginal") || 'undefined1';
//alert(str)
if(str == 'undefined1'){
//alert('3');
alert('Created Date is missing!');
document.querySelectorAll('[id$="DateCareated1"]')[0].value = null;
document.querySelectorAll('[id$="DateCareated2"]')[0].innerHTML = null;
document.querySelectorAll('[id$="CreatedTime1"]')[0].value = null;
document.querySelectorAll('[id$="CreatedTime2"]')[0].innerHTML = null;
}else{
//alert('4');
var str1 = str.split(" ");
var str2 = str1[0].split(":");
var str3 = str1[1].split(":");
document.querySelectorAll('[id$="DateCareated1"]')[0].value = str2[1] + '/' + str2[2] + '/' + str2[0] ;
document.querySelectorAll('[id$="DateCareated2"]')[0].innerHTML = str2[1] + '/' + str2[2] + '/' + str2[0];
document.querySelectorAll('[id$="CreatedTime1"]')[0].value = str1[1] ;
document.querySelectorAll('[id$="CreatedTime2"]')[0].innerHTML = str1[1] ;
}
});
}
function showLoader(){
//alert('inside');
var status = document.getElementById("loaderStatus");
//alert(status);
status.style.display = 'block';
}
</script>
</head>
<apex:form id="frm">
<apex:pageBlock title="Upload Image" tabStyle="Technical_Verification__c" id="pb">
<apex:pageMessages />
<apex:pageBlockSection collapsible="false" columns="2">
<apex:pageBlockSectionItem >
<apex:outputLabel value="Image Type" />
<apex:selectList size="1" value="{!attContentType}">
<apex:selectOptions value="{!contentTypeList}"></apex:selectOptions>
</apex:selectList>
</apex:pageBlockSectionItem>
<apex:pageBlockSectionItem >
<apex:outputLabel value="Image" />
<apex:inputFile value="{!att.Body}" fileName="{!att.Name}" onchange="getGPSdata(this)" contentType="{!att.ContentType}" />
</apex:pageBlockSectionItem>
<!---
<apex:pageBlockSectionItem >
<apex:outputLabel value="Description"/>
<apex:inputText value="{!att.Description}"/>
</apex:pageBlockSectionItem>
--->
<apex:pageBlockSectionItem >
<apex:outputLabel value="Image Type" style="display:none;" />
<apex:inputText style="display:none;" value="{!doc.Location__Latitude__s}" id="GPSLatitude1" />
</apex:pageBlockSectionItem>
<apex:outputText value="{!doc.Location__Latitude__s}" id="GPSLatitude2" />
<apex:pageBlockSectionItem >
<apex:outputLabel value="Image Type" style="display:none;" />
<apex:inputText style="display:none;" value="{!doc.Location__Longitude__s}" id="GPSLongitude1" />
</apex:pageBlockSectionItem>
<apex:outputText value="{!doc.Location__Longitude__s}" id="GPSLongitude2" />
<apex:pageBlockSectionItem >
<apex:outputLabel value="Image Type" style="display:none;" />
<apex:inputText style="display:none;" value="{!doc.Created_Date__c}" id="DateCareated1" />
</apex:pageBlockSectionItem>
<apex:outputText value="{!doc.Created_Date__c}" id="DateCareated2" />
<apex:pageBlockSectionItem >
<apex:outputLabel value="Image Type" style="display:none;" />
<apex:inputText style="display:none;" value="{!doc.Created_Time__c}" id="CreatedTime1" />
</apex:pageBlockSectionItem>
<apex:outputText value="{!doc.Created_Time__c}" id="CreatedTime2" />
</apex:pageBlockSection>
<center>
<apex:actionStatus id="status">
<apex:facet name="start">
<div style="width: 500px;">
<img src="/img/loading24.gif" style="vertical-align:middle;" />
<span style="margin-left: 10px; font-size: 12px; font-weight: bold; color: #000000;">Please wait while we are uploading the image...</span>
</div>
</apex:facet>
</apex:actionStatus>
</center>
<div style="width: 500px;display:none;" id="loaderStatus">
<!-- <img src="/img/loading24.gif" style="vertical-align:middle;" /> -->
<!-- <span style="margin-left: 10px; font-size: 12px; font-weight: bold; color: #000000;">Please wait while we are uploading the image...</span> -->
<div class="waitingSearchDiv" id="el_loading" style="background-color: white;
height: 100%;opacity:0.65;width:100%;">
<div class="waitingHolder" style="top: 74.2px; width: 91px;">
<img class="waitingImage" src="/img/loading32.gif" title="Please Wait..." />
<span class="waitingDescription"><p style="font-size: 24px;">Saving...</p></span>
</div>
</div>
</div>
<apex:pageBlockButtons location="bottom">
<apex:commandButton value="Save" action="{!saveDocument}" onclick="showLoader();"/>
<apex:commandButton value="Cancel" action="{!cancelDocument}" status="sts" />
</apex:pageBlockButtons>
</apex:pageBlock>
<apex:actionStatus id="sts" startText="Uploading ..." startStyle="color:red;font-weight:bold;" />
</apex:form>
</apex:page>
Controller :
public class tvDocUpload{
public Attachment att {get;set;}
public Document__c doc {get;set;}
private Transient Blob resume {get; set;}
public Boolean isErr {get;set;}
public List<SelectOption> contentTypeList {get;set;}
public String attContentType {get;set;}
String techViewId;
public tvDocUpload(){
init();
}
public tvDocUpload(ApexPages.StandardController controller) {
init();
}
private void init(){
att = new Attachment();
doc = new Document__c();
//doc.Location__Longitude__s = 0;
//doc.Location__Latitude__s = 0;
techViewId = ApexPages.CurrentPage().getParameters().get('id');
doc.Technical_Verification__c = techViewId;
String flag = ApexPages.CurrentPage().getParameters().get('flg');
fillUpContents();
if(flag == 'true'){
ApexPages.addMessage(new ApexPages.Message(ApexPages.severity.info,'Uploaded successfully...'));
}
}
// fillup to contentTypeList records
private void fillUpContents(){
contentTypeList = new List<SelectOption>();
contentTypeList.add(new SelectOption('Other','Other'));
contentTypeList.add(new SelectOption('Road with property Visible','Road with property Visible'));
contentTypeList.add(new SelectOption('Property Front','Property Front'));
contentTypeList.add(new SelectOption('Material on site','Material on site'));
contentTypeList.add(new SelectOption('Interior 1','Interior 1'));
contentTypeList.add(new SelectOption('Interior 2','Interior 2'));
contentTypeList.sort();
attContentType = contentTypeList[0].getValue();
}
public pageReference saveDocument(){
pageReference pg = saveProcess(false);
return pg;
}
public pageReference saveDocumentSF1(){
pageReference pg = saveProcess(true);
return pg;
}
private pageReference saveProcess(Boolean isSF1){
isErr = false;
String code = '';
String oppName = '';
String oppLoanNumber = '';
List<Technical_Verification__c> techObjList = new List<Technical_Verification__c>();
if(string.isNotBlank(techViewId))
techObjList = [select id,Application__c,Application__r.Name, Application__r.Loan_Number__c from Technical_Verification__c where id =: techViewId];
if(techObjList.size()>0){
oppName = techObjList[0].Application__r.Name;
oppLoanNumber = techObjList[0].Application__r.Loan_Number__c;
}
oppName = string.isNotBlank(oppName) ? oppName : '';
oppLoanNumber = string.isNotBlank(oppLoanNumber ) ? oppLoanNumber : '';
System.debug('att--> '+att);
System.debug('att.Name--> '+att.Name);
System.debug('att.Body--> '+att.Body);
code = oppLoanNumber +' = '+oppName;
if(String.isNotBlank(attContentType)){
code = code.trim().startsWith('=') ? code.trim().remove('=') : code;
string fileName = att.Name;
string ext = '';
if(att.Name.contains('.'))
ext = att.Name.substring(att.Name.lastIndexOf('.')) ;
att.Name = code+' = '+attContentType+ext;
att.Name = att.Name.trim().startsWith('=') ? att.Name.trim().remove('=') : att.Name;
}
try{
doc.Document_Name__c = att.Name;
insert doc;
att.ParentId = doc.Id;
insert att;
doc.Doc_Id__c = att.id;
update doc;
ApexPages.addMessage(new ApexPages.Message(ApexPages.severity.info,'Uploaded successfully...'));
if(isSF1){
return new PageReference('/'+techViewId);
}else{
return new PageReference('/apex/TechnicalVerificationDocUpload?flg=true&id='+techViewId);
}
}Catch(Exception e){
isErr = true;
ApexPages.addMessage(new ApexPages.Message(ApexPages.severity.Error,e.getMessage()));
}
finally{
att.Body = null; // -- clears the viewstate
att = new Attachment();
}
return null;
}
public pageReference cancelDocument(){
return new PageReference('/apex/TechnicalVerificationDocUpload?flg=true&id='+techViewId);
}
public PageReference cancelDocumentSF1(){
return new PageReference('/'+techViewId);
}
}
