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How to create a link to an id
28 April 2009 at 8:15pm Last edited: 28 April 2009 8:17pm
I'm trying to create a link in my template to link to a particular page in the site tree.
I've tried using LinkToID to link a page in the sitetree that has the id of 10 but have been unable to figure how this or if this is the correct method:
<a href="$LinkToID.10">Link</a>
How can i add a link in a template that links to a page in site tree? Is $LinkToID the correct method?
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Re: How to create a link to an id
2 May 2009 at 2:51pm
Hi Hammy, this may not be the best or most elegant way to do it, but after hacking at it for a while, this worked for me
I have a FeaturedPage pagetype which then links back to a product category (or any other page) on the site:class FeaturedPage extends Page {
static $has_one = array(
'FeatureImage' => 'Image',
'ProductCatLink' => 'Page'
);function getCMSFields() {
$fields = parent::getCMSFields();
$fields->addFieldToTab('Root.Content.Features', new TreeDropdownField("ProductCatLinkID", "Select a page to link to", "SiteTree"));
$fields->addFieldToTab("Root.Content.Features", new ImageField('FeatureImage',"Feature Image"));
return $fields;
}
}class FeaturedPage_Controller extends Page_Controller {
}
then in the template I do:
<a class="redir" href="<% control ProductCatLink %> $URLSegment <% end_control %>">More info</a>
Hope that helps in some way
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Re: How to create a link to an id
30 May 2009 at 3:17pm
Hi there,
I don't know if there's a better way of doing it, but I put a function in my Page.php..
function GetLinkFromID($id = 1) {
$do = DataObject::get_one('Page', '`SiteTree_Live`.ID = '.$id, true);
return ($do->URLSegment);
}
This will return the link to any page (or class extending page).
In your template you'd have something along the lines of<a href="$GetLinkFromID(12)">
where 12 is obviously the id of the page you're wanting to link to.
If you're within a <% control %> loop, you may need to use $Top.GetLinkFromID(12)
Hope that helps.
If you found a better way of doing it I'd be interested to hear.
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Re: How to create a link to an id
22 June 2009 at 10:03pm Last edited: 22 June 2009 10:05pm
@NickJacobs: But this link only to ProductCatLink page...
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Re: How to create a link to an id
5 July 2009 at 12:01pm
It will link to whatever page relates to the id you use in the function..
e.g. using $GetLinkFromID(12) will return the link to whatever has an id of 12.
Using $GetLinkFromID(13) will return the link to whatever has an id of 13, etc.. -
Re: How to create a link to an id
13 November 2009 at 1:30am
AAARRGGHHH!!!
I am trying to use this and all works fine until I try to put this in
<a href="$GetLinkFromID($StoryUrl)" >
... is there a problem dropping $StoryUrl in intsead of nmiuber. It works when i put a number in... and $StoryUrl works by outputting number when not in the stated string?????
Anyone know why??
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Re: How to create a link to an id
13 November 2009 at 2:33am Last edited: 13 November 2009 2:34am
The template parser doesn't resolve variable arguments. That's not going to work.
But why creating such awkward constructs? Apparently you got the $StoryUrl available, so why not write a method on your controller like this:public function StoryLink(){
return GetLinkFromID($this->StoryUrl);
}Then in the template simply use:
$StoryLink
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Re: How to create a link to an id
13 November 2009 at 3:08am
Regarding the method provided by beeonline. I suggest you rewrite your method to something like this:
function GetLinkFromID($id = 1) {
$do = DataObject::get_by_id('SiteTree', $id);
if($do) return $do->Link();
return '';
}The DataObject::get_by_id method already allows you to get a DataObject by ID. Then use the Link method instead of the URLSegment. It will provide a correct link and will most likely also work with nested URLs. And I also introduced a check if you really get a DataObject.. just in case you pass an invalid ID to the function...
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