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Show CMS fields based on page access (CanViewType)
1 March 2011 at 3:49pm Last edited: 1 March 2011 3:49pm
Hi, in project we have an issue where it is not immediately obvious if a page is viewable only by logged in users (without going into the Access tab) and this is causing problems for the client. I want to be able to add a literal field on the main tab, saying something like "this page is not publicly viewable..etc etc'. I want to do something like:
if(($this->CanViewType == 'OnlyTheseUsers') || ($this->CanViewType == 'LoggedInUsers')) {
$f->addFieldToTab( 'Root.Content.Main', new LiteralField('info1','This page is restricted (not publicly viewable) - change this behaviour on the Access tab'),'Title');
}This works kinda ok, but since most pages underneath a secure section have a CanViewType = inherit it fails on those pages....
Are there any magic methods, or easier way to do this? -
Re: Show CMS fields based on page access (CanViewType)
1 March 2011 at 5:31pm
Using the built in canView() method would be the away to go but it's not quite what you want in this case as you don't have a member record to test it against but you could create a fake one.
$member = new Member();
if(!$this->canView($member)) {
// show msg
} -
Re: Show CMS fields based on page access (CanViewType)
2 March 2011 at 12:15pm Last edited: 2 March 2011 12:16pm
Hi Will,
$member = new Member();
if(!$this->canView($member)) {
$f->addFieldToTab( 'Root.Content.Main', new LiteralField('info1','<p id=securepage><span>This page is restricted (not publicly viewable) - you can change this behaviour if required on the Access tab</span></p>'),'Title');
}this doesn't work for what I want to do...just re-reading my post maybe I wasn't quite clear. I want this to show up in the CMS on the Main tab. Wouldn't the fact that I am already logged in as admin override this?...sorry I don't know enough about how Member works
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Re: Show CMS fields based on page access (CanViewType)
2 March 2011 at 9:42pm
Wouldn't the fact that I am already logged in as admin override this?
Thats how canView() works by default, but like that example I'm passing in a blank $member record. Since that member record isn't logged in at all it should replicate a non logged in user. You can see the code which powers canView - https://github.com/silverstripe/sapphire/blob/2.4/core/model/SiteTree.php#L768. Not sure why a blank member wouldn't work from looking at that code.
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