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how to make a relation to pages in custom order?


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5 Posts   526 Views

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ian-wig

Community Member, 3 Posts

28 May 2013 at 4:29am

Edited: 28/05/2013 4:30am

I have got several "Project"-Pages and want to show some of them in a custom order on my "Home"-Page.

Therefore I use the SortableGridField-Module in combination with the GridFieldConfig_RelationEditor:

Home-Class

public static $has_many = array(
  'Highlights' => 'Project'
);

function getCMSFields()
{
  $fields = parent::getCMSFields();
  $conf=GridFieldConfig_RelationEditor::create();
  $conf->addComponent(new GridFieldSortableRows('HighlightSortOrder'));
  $gridField = new GridField('Highlights', 'Highlight Projects', $this->Highlights(), $conf);
  $fields->addFieldToTab("Root.Main", $gridField);
  
  return $fields;
}

Project-Class

public static $db = array(
  'HighlightSortOrder'=>'Int'
);

public static $default_sort = 'HighlightSortOrder';

It seems to work sometimes, but just after using the preview-Button in the admin-area.
There is also the problem, that all "Project"-Pages which are linked as Highlights, are now Subpages of the "Homepage" in the Sitetree.

Have you got an idea how to fix these problems or is there a better approach?

Thanks!

Avatar
Bambii7

Community Member, 254 Posts

28 May 2013 at 1:10pm

Hi ian-wig
try putting the reverse relationship on the project class

public static $db = array( 
'HighlightSortOrder'=>'Int' 
);
public static $has_one = array('Home' => 'HomeClass');

public static $default_sort = 'HighlightSortOrder';

Avatar
ian-wig

Community Member, 3 Posts

28 May 2013 at 5:57pm

Edited: 28/05/2013 6:27pm

Hi Bambii7,

thank you very much, that fixes the subpage-problem.

Unfortunately the template still doesn't show up the Highlights on the Homepage (even when I flushed):

<% loop $Highlights %>
  ...
<% end_loop %>

They appear when I click on Preview from the administration, but as soon as I log off, they disappear again.

Have you got an idea?

Avatar
Bambii7

Community Member, 254 Posts

29 May 2013 at 3:19pm

Hmmm have you checked the permissions on the ProjectClass? Perhaps they are set to be visible only to logged in users?

Avatar
ian-wig

Community Member, 3 Posts

30 May 2013 at 6:55am

Thanks again, but there are no special permissions used.

I figured out, that the Project always shows up in the Highlights, when the Project-Page is published after the relation was made in the GridField of the HomePage. The database relation between Home and Project (Home-Id) is only set in the Project-Table and not in the Project_Live-Table, which causes that strange behaviour, I guess.
I hope you undestand what the problem is ;)

Any solutions for publishing the grid-relation-change directly to Project-Table and Project_Live-Table?