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<?php
//$Id$
/**
* Implementation of hook_views_tables
*
* @return
* array - Enables support in the video module for views integration
* @author Glen Marianko Twitter@demoforum <glenm at demoforum dot com>
* @todo
**/
/**
* Field handler to display the video preview thumbnail
*
* @ingroup views_field_handlers
*/
class video_views_handler_field_image extends views_handler_field {
/**
* Define options available for this field.
*/
function option_definition() {
$options = parent::option_definition();
$options['img_type'] = array('default' => 'thumbnail');
$options['disp_link'] = array('default' => TRUE);
return $options;
}
/**
* Build option configuration form.
*/
function options_form(&$form, &$form_state) {
parent::options_form($form, $form_state);
$form['img_type'] = array(
'#title' => t('Show image as'),
'#type' => 'select',
'#options' => array(
'thumbnail' => t('Thumbnail'),
'preview' => t('Preview'),
),
'#default_value' => $this->options['img_type'],
);
$form['disp_link'] = array(
'#title' => t('Link image to video'),
'#type' => 'checkbox',
'#default_value' => $this->options['disp_link'],
);
}
/**
* Render field output to the browser.
*/
function render($values) {
return _video_views_handler_field_image($values, $this->options['img_type'], $this->options['disp_link']);
}
}
/**
* Handler to render the preview image associated with a video
**/
function _video_views_handler_field_image($values, $image_type, $linked) {
if($values->node_type && $values->node_type != 'video') return NULL;
$node = node_load($values->nid);
$output = NULL;
if($node->iid && $image = node_load($node->iid)) {
$image_html = NULL;
if($image != NULL && $image->type == 'image') {
$image_html = image_display($image, $image_type, array('class' => 'video_image_teaser'));
//Create a link with an image in it.
$output .= ($linked ? l($image_html, "node/$values->nid", array('html' => TRUE)) : $image_html);
$output .= '<br class="video_image_clear" />';
}
}
return $output;
}
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