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11265787
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2012-06-29T16:46:13.363
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2012-06-29T16:46:13.363
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1144544
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Much thanks to nevets on the Drupal forums for the helpful hint: <a href="http://drupal.org/node/1664798#comment-6177944" rel="nofollow">http://drupal.org/node/1664798#comment-6177944</a> If you want to use AJAX with Drupal, you are best off actually using Drupal-specific AJAX-related functions. In my theme's <code>page.tpl.php</code> file, I added the following to make the links which would call AJAX: <pre><code><?php // drupal_add_library is invoked automatically when a form element has the // '#ajax' property, but since we are not rendering a form here, we have to // do it ourselves. drupal_add_library('system', 'drupal.ajax'); // The use-ajax class is special, so that the link will call without causing // a page reload. Note the /nojs portion of the path - if javascript is // enabled, this part will be stripped from the path before it is called. $link1 = l(t('Graph'), 'ajax_link_callback/graph/nojs/', array('attributes' => array('class' => array('use-ajax')))); $link2 = l(t('List'), 'ajax_link_callback/list/nojs/', array('attributes' => array('class' => array('use-ajax')))); $link3 = l(t('Create Alert'), 'ajax_link_callback/alert/nojs/', array('attributes' => array('class' => array('use-ajax')))); $output = "$link1$link2$link3<div id='myDiv'></div>"; print $output; ?> </code></pre> When one of the links above is clicked, the callback function is called (e.g. ajax_link_callback/graph): <pre><code>// A menu callback is required when using ajax outside of the Form API. $items['ajax_link_callback/graph'] = array( 'page callback' => 'ajax_link_response_graph', 'access callback' => 'user_access', 'access arguments' => array('access content'), 'type' => MENU_CALLBACK, ); </code></pre> .. and the callback to which it refers: <pre><code>function ajax_link_response_graph($type = 'ajax') { if ($type == 'ajax') { $output = _make_bar_chart('journal'); $commands = array(); // See ajax_example_advanced.inc for more details on the available commands // and how to use them. $commands[] = ajax_command_html('div#content div.content', $output); $page = array('#type' => 'ajax', '#commands' => $commands); ajax_deliver($page); } else { $output = t("This is some content delivered via a page load."); return $output; } } </code></pre> This replaces any HTML within <code><div class="content"></code> with the graphael chart returned from _make_bar_chart above. 
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1. POHow to "print" a theme during AJAX request (Drupal)
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