Upload Image and Update Image in Contact Detail Page

May 16, 2015

Requirement:

To Create a Custom Button on Contact Detail Page when user click on it open a vf page from vf page attach img from local drive and save that img on Notes and Attachement and Populate last updted image on contact detail page:

Solution: 1 ) Create a Custom Button on Contact
2) Create A VF Page
3) Create a Formula Field on Contact.

Page and Class Code as Mention Below

Page Code

<apex:page standardController="Contact" extensions="uploadImageController" sidebar="false">

<apex:form >
<apex:pageMessages ></apex:pageMessages>
<apex:pageBlock title="Attachment" mode="edit">
<apex:pageBlockButtons >
<apex:commandButton value="Save"
action="{!save}"/>
</apex:pageBlockButtons>
<apex:pageBlockSection collapsible="false" columns="1" >
<apex:inputHidden value="{!Contact.Name}"/>
<apex:outputText value="Attachment: "/><apex:inputFile value="{!bl}" filename="{!fileName}"/><br/>
</apex:pageBlockSection>
</apex:pageBlock>
</apex:form>

</apex:page>

Class Code

public class uploadImageController{

public Contact objContact{get;set;}
public string contactID{get;set;}
public string stringid{get;set;}

public uploadImageController(ApexPages.StandardController controller) {
objContact = new Contact();
contactID = ApexPages.currentPage().getParameters().get('id');
}

public Attachment attach = new Attachment();
public Blob bl {get; set;}
public String contentType {get; set;}
public String fileName {get; set;}

public PageReference save(){
attach.OwnerId = UserInfo.getUserId();
attach.ParentId = contactID;
attach.Name = fileName;
attach.Body = bl;
attach.ContentType = contentType;


try {
insert attach;
if(attach.id!=null)
{
objContact = new Contact(id = contactID);
objContact.Department= attach.id; // add Attach Id in Department field
}
update objContact;

}

catch (DMLException e) {
ApexPages.addMessage(new ApexPages.message(ApexPages.severity.ERROR,'Error Choose File Name'));
return null;
}

finally {
attach = new Attachment();
}


PageReference p= new PageReference('/' + contactID);
p.setRedirect(true);

return p;
}

}

Formula Field:

IMAGE('https://c.ap1.content.force.com/servlet/servlet.FileDownload?file='+Department,'dd')