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Pass nid as argument in URL path when opening node add form in a ctools modal frame

on May 11th, 2012 at 7:21:49 AM

Here is the best tutorial I found in the internet to open a "node add" form in a Ctools modal frame (with Drupal 7): http://www.pashasolomon.com/blog/ctools-modalframe-node-creation-forms.

What we want to do is pass an argument through the Ctools modale frame URL path and inject it in a Entity/Node reference field. Before coding we need to install one of the following module: Entityreference prepopulate or Node Reference URL Widget. What both modules are doing is checking if a node NID is present in the URL path from your browser and if so, it will be passed to the form you are opening to prepopulate a field.
To make it appened, the module needs to get the node NID from an "add node" link you have in a custom block, for example. When you need that this link open in a Ctools modale frame, you'll probably have use the ctools_modal_text_button function.

From the aboved mentioned tutorial, in the sidebar_link() function we will change:

<?php
  $output
= ctools_modal_text_button(t('Submit an event'), 'create/nojs/public-event', 'public-event');
?>

by

<?php
  $arg1
= arg(1);
// get the node nid from the URL
  $link_modal = ctools_modal_text_button(t('Submit an event'), 'create/nojs/public-event?field_you_want_to_prepopulate='.$arg1, 'public-event');
 
$output = str_replace (array('%3F', '%3D'), array('?', '='), $link_modal);
?>

 

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