Form Data Source Field Method Override D365FO

Form Data Source Field Method Override D365FO

In this demo, I will show to create an extension class of form data source Field class and override method through COC.

Here is the annotation code to create COC

[ExtensionOf(formDataFieldStr(FormName, DataSourceName,DataFieldName))]

In this demo, we are using the HcmWorker form and creating Extension of DirPerson Data source field Personal Title..

[ExtensionOf(formDataFieldStr(HcmWorker, DirPerson,PersonalTitle))]

In actual code, you can find the method in the Hcmworker form 

 [DataField]

        class PersonalTitle

        {

            public Common lookupReference(FormReferenceControl _formReferenceControl)

            {

                return DirUtility::buildAffixReferenceControlLookup(_formReferenceControl, DirNameAffixType::PersonalPrefix);

            }

        }

Here is the code through which we create extensions.

[ExtensionOf(formDataFieldStr(HcmWorker, DirPerson,PersonalTitle))]

final class Demo_Extension

{

}

Here is the code through this we override the method.

[ExtensionOf(formDataFieldStr(HcmWorker, DirPerson,PersonalTitle))]

final class Demo_Extension

{

    public Common lookupReference(FormReferenceControl _formReferenceControl)

    {

        next lookupReference(_formReferenceControl);

        return DirUtility::buildAffixReferenceControlLookup(_formReferenceControl, DirNameAffixType::PersonalPrefix);

    }

}

Now perform build in sync on your module. enjoy

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Form Data Source Method override COC D365FO

Form Data Source Method override COC D365FO

Here is the sample how can you override the form data-source event.

In this demo we have created the extension of HcmWorker form data-source (HcmWorker).

Here is the original method  of HcmWorker data-source 

    public boolean validateWrite()

        {

            boolean ret;

            ret = super();

            if (ret)

            {

                partyForm.validateWrite();

            }

            return ret;

        }

Here is the  code to create form data-source extension class 

[ExtensionOf(formdatasourcestr(HcmWorker, HcmWorker))]

final class Demo_Extension

{

}

Here is the code to override the data-source method through COC.

[ExtensionOf(formdatasourcestr(HcmWorker, HcmWorker))]

final class Demo_Extension

{

    public boolean validateWrite()

    {

        boolean ret;

        ret  =  next validateWrite();

        if (ret)

        {

                    

           /// do your code here

        }

        return ret;

    }

}

In last perform Build & Sync.

Important 

Feature available from Build 8.1 PU-20

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