Failed to add Custom Button to the Layout RelatedList

[certinia]

Failed to add Custom Button to the Layout RelatedList

[BoonPlus]

Issue resolved, see the code below ....

        // Read the Layout      
        MetadataService.Layout OPMPlayout = 
        (MetadataService.Layout) service.readMetadata('Layout', 
        new String[] { MPButtonOpportunityLayout }).getRecords()[0];

        // Add the Custom Button to the Layout relatedLists
        if (OPMPlayout.relatedLists == null) OPMPlayout.relatedLists = new List<MetadataService.relatedListItem>();
        MetadataService.relatedListItem relatedlistitem = new MetadataService.relatedListItem();
        for (MetadataService.relatedListItem rlt: OPMPlayout.relatedLists) {
            if (rlt.relatedList == 'RelatedLineItemList') {
                relatedlistitem = rlt;
                break;                  
            }               
        }
        if (relatedlistitem.relatedList == null) relatedlistitem.relatedList = 'RelatedLineItemList';           
        if (relatedlistitem.customButtons == null) relatedlistitem.customButtons = new List<String>();
        relatedlistitem.customButtons.add('Mass_Price');                    

        // Update the Layout
        MetadataService.SaveResult[] OPMPresults = service.updateMetadata(new List<MetadataService.Metadata> { OPMPlayout });

[afawcett]

@BoonPlus firstly, so sorry for not getting back to you sooner on this! Secondly well done on solving it, editing Layouts is probably one of the most complex bits of the API, so good for you for solving it and also thanks for sharing the solution back!

[BoonPlus]

@afawcett No problems. I knew you're busy with Summer’14 update to the Salesforce Metadata API. I was able to build some cool stuffs with the API, see the screenshot below ...

[afawcett]

That is very very cool!

[afawcett]

Do you have a Twitter account, i'd love to tweet this as an example if that's ok? If not, do you mind if i tweet it and just reference this GitHub issue?

[BoonPlus]

@afawcett my twitter account is @BoonPlus, feel free to share this with your followers. Cheers!

[cnaccio]

@BoonPlus did you ever run into any issues with updating page layouts/related lists due to field visibility permissions; I'm getting a FIELD_INTEGRITY_EXCEPTION as you did here, but with a slightly different cause? Also on another note have you had any issues with deleting custom fields? I'm only asking you because I'm building functionality very similar to the tool you posted above. Any help would be much appreciated. Thanks in advance!

[BoonPlus]

@cnaccio The field level permissions can be granted via the metadata api, which should be done before the field is added to the page layout. I haven't tried the deletefield method yet so I can't comment on it.