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Data Model Questions

How to limit user selection in ManyManyComplexTableFiled


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Ben_W

3 June 2011 at 5:16pm Community Member, 80 Posts

I have the following ManyManyComplexTableField, which basically form a many to many relationship that allows user to pick number of pages as recommended reading for a given page. Is there a way I can enforce a business rule into this, say user may not select more than 5 pages as recommended reading. Need a way to disable the checkbox I would thought. Any pointer would be deeply appreciated. Cheers.

$tablefield = new ManyManyComplexTableField(
   $this,
   'MyRegionPages',
   'Page',
   array(
      'Title' => 'Page Name',
      'BoldIntroduction' => 'Bold Introduction'
   ),
   'getCMSFields_forPopup',
    "SiteTree.ID != $this->ID AND SiteTree.ParentID=$this->ParentID",
    'Sort'
);

$tablefield->setPermissions(array(
));

$fields->addFieldToTab( 'Root.Content.FurtherReadings', $tablefield );