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<?php
/**
* Field handler to present delete a node revision.
*/
class views_handler_field_node_revision_link_delete extends views_handler_field_node_link {
function construct() {
parent::construct();
$this->additional_fields['uid'] = array('table' => 'node', 'field' => 'uid');
$this->additional_fields['node_vid'] = array('table' => 'node', 'field' => 'vid');
$this->additional_fields['vid'] = 'vid';
}
function access() {
return user_access('delete revisions') || user_access('administer nodes');
}
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function render_link($data, $values) {
// ensure user has access to delete this node.
The Great Git Migration
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$node = new stdClass();
$node->nid = $values->{$this->aliases['nid']};
$node->vid = $values->{$this->aliases['vid']};
$node->uid = $values->{$this->aliases['uid']};
$node->status = 1; // unpublished nodes ignore access control
if (!node_access('delete', $node)) {
return;
}
// Current revision cannot be deleted.
if ($node->vid == $values->{$this->aliases['node_vid']}) {
return;
}
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The Great Git Migration
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$text = !empty($this->options['text']) ? $this->options['text'] : t('delete');
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$this->options['alter']['make_link'] = TRUE;
$this->options['alter']['path'] = "node/$node->nid/revisions/$node->vid/delete";
$this->options['alter']['query'] = drupal_get_destination();
return $text;