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SilverStripe 3.0.0-beta2 DataObjectSet equivelant for array in template
31 May 2012 at 10:36pm
In SS 2.4 I often use array to store data that is accessible in both PHP and JavaScript. I use DataObjectSet to transform the array data to iterate over in a template.
2.4:
<?php
class Page extends SiteTree {
function TestIt() {
$a = array(
'one' => array('ID' => 'somedata', 'Name' => 'Name some data'),
'two' => array('ID' => 'moredata', 'Name' => 'Name some data'),
);
$al = new DataObjectSet($a);
// Debug::Show($a);
// Debug::Show($al);
return $al;
}
}Template:
<% control TestIt %><div>$ID $Name</div><% end_control %>However, in 3.0 DataObjectSet is no longer available. The message tells me to use DataList or ArrayList instead.
DataList is out as it gives an error it needs table definition
[User Error] DataObject::buildSQL: Can't find data classes (classes linked to tables) for Array. Please ensure you run dev/build after creating a new DataObject.And if I try using an ArrayList it doesn't show $ID or $Name. Should I be using a different approach or report a bug?
Cheers,
Marijn.
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Re: SilverStripe 3.0.0-beta2 DataObjectSet equivelant for array in template
1 June 2012 at 2:04pm
You need to wrap arrays in an ArrayData object for the template to be able to understand them.
Something like:
$al = new ArrayList(array_map(function($i) { return new ArrayData($i); }, $a);
Then <% loop TestIt %> will let you use $ID and $Name.
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Re: SilverStripe 3.0.0-beta2 DataObjectSet equivelant for array in template
1 June 2012 at 7:18pm
Thanks, never used the function construct that way in PHP.
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Re: SilverStripe 3.0.0-beta2 DataObjectSet equivelant for array in template
14 July 2012 at 7:51pm
Hi,
I think I have the same issue.
I have used:
//FUNCTION TO FETCH IMAGES
function getDirectoryList()
{
$url = $this->URLSegment;
$folder="/home/website.nl/public_html/silverstripe/themes/blackcandy/images/photos/".$url;
// create an object to hold directory list
$icons = new DataObjectSet();
// create a handler for the directory
$handler = opendir($folder);
// open directory and walk through the filenames
while ($file = readdir($handler)) {
// if file isn't this directory or its parent, add it to the results
if ($file != "." && $file != ".." && substr($file,0,6)!="thumb_") {
$icons->push(new ArrayData(array(
'File' => $file
)));
}
}
// tidy up: close the handler
closedir($handler);
// done!
//return $results;
return $icons;
}Template:
<div style="display:none;">$URLSegment</div>
<% control getDirectoryList %>
<a href="/silverstripe/themes/blackcandy/images/photos/$Top.URLSegment/$File" rel="prettyPhoto[pp_gal]" $Title><img style="margin-right:4px; margin-bottom:4px;" src="/silverstripe/themes/blackcandy/images/photos/$Top.URLSegment/thumb_$File" border="0" width="52" height="52"></a>
<% end_control %>Because DataObjectSet is no longer available in SS 3.0. The message tells me to use DataList or ArrayList instead too. (User Deprecated] DataObjectSet->__construct is deprecated. Use DataList or ArrayList instead. Called from Page_Controller->getDirectoryList.)
I am not a PHP expert or programmer so I really do not have a clue how to make this SS 3.0 compliant.
Do you know how to make it SS 3.0 compatible?
Thank you,
Wesley
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Re: SilverStripe 3.0.0-beta2 DataObjectSet equivelant for array in template
26 July 2012 at 4:41pm
Hi Wezzlee,
Did you solve this problem?
I had written some code in SS 2.4 (as a very new SilverStriper) that used logic similar to yours and have just spent a few hours trying to figure out how to get it working in SS 3.0.
For what it's worth (and someone may post a better way of doing this) here is what I think you need to do based on what I've learnt:
Replace your $icons = new DataObjectSet(); with $icons = new ArrayList();
then
in your template use a <% loop getDirectoryList %> ... <% end_loop %> instead of using <% control ... %> .
Hope that helps.
Cheers, Innes (NZ)
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