[SalesForce] Override a standard “New” button to redirect to a VF page

I am trying to redirect the "New" case button to point to an intermediate page which will have 5 hyperlinks. These links will be pointing to the standard edit mode with some field values passed through the URL. Below is the image of the intermediate page.

Intermediate Page

User can click on any one of the option and they should be redirected to standard edit page for case.

Following is the URL is am using for redirect.

https://na15.salesforce.com/500/e?00Ni000000BGRVE=Communications&00Ni000000BGtUJ=Survey&00Ni000000BH0li=General%20Questions&cas8=Low&cas7=Closed&retURL=%2F500%2Fo

However on the page is not being redirected to the standard edit mode, the page refreshes itself and the user stays in the same page as the image above.

After override can we not access the standard pages? If so, is there any other way to access that page?

Best Answer

You can add the nooverride parameter to the page to get back to the normal page. Using your example URL:

https://na15.salesforce.com/500/e?nooverride=1&00Ni000000BGRVE=Communications&00Ni000000BGtUJ=Survey&00Ni000000BH0li=General%20Questions&cas8=Low&cas7=Closed&retURL=%2F500%2Fo

If you are using URLFOR, you can also specify TRUE as the fourth parameter to include the nooverride parameter. If you are using a PageReference, you can add it as a parameter:

ref.getParameters().put('nooverride','1');

The value doesn't matter, by the way-- it doesn't have to be 1. It's just a convention that most developers use from what I've observed (because salesforce.com themselves use that value, and people copy examples).

URLFOR has an optional fourth parameter that you can use. This forces the correct parameter for overriding any button override and showing the standard page. Here's an example that uses that (from the comments):

{!URLFOR($Action.Case.NewCase,null,['00Ni000000BGRVE'='Benefits','00Ni000000BGt‌UJ'='401K','00Ni000000BH0li'='General Questions','cas8'='High','cas7'='Open'],true)}

You can use general formula functions inside the third parameter to include things like TODAY() or BR(). Text concatenation should use the salesforce.com formula syntax: 'Edit ' & Name might render as "Edit John Doe".

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String referrer = apexpages.currentPage().getheaders().get('Referer');

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[SalesForce] Override Standard New Button with Visualforce Page

One common misconception is that getRecord() works like trigger contexts and the entire Opportunity record is available to the controller. Not true. getRecord() only makes available to the controller the fields defined on the page of the form e.g. {!Opportunity.xxx} - these can be hidden fields -- or, you can use method addFields().

here is the standard controller doc but I've excerpted the relevant bits:

getRecord()

Usage Note that only the fields that are referenced in the associated Visualforce markup are available for querying on this SObject. All other fields, including fields from any related objects, must be queried using a SOQL expression.
Tip
You can work around this restriction by including a hidden component that references any additional fields that you want to query. Hide the component from display by setting the component's rendered attribute to false.

addFields(...)

When a Visualforce page is loaded, the fields accessible to the page are based on the fields referenced in the Visualforce markup. This method adds a reference to each field specified in fieldNames so that the controller can explicitly access those fields as well.

Usage
This method should be called before a record has been loaded—typically, it's called by the controller's constructor. If this method is called outside of the constructor, you must use the reset() method before calling addFields().

The strings in fieldNames can either be the API name of a field, such as AccountId, or they can be explicit relationships to fields, such as foo__r.myField__c.

So it is up to you which way to go, for example with addFields you could do in your constructor...

myController.addFields(new List<String> {'ownerId','amount'});
opp=(Opportunity)myController.getrecord();

Best Answer

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