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// $Id: views_handler_field_node_revision_link_revert.inc,v 1.1 2008/09/03 19:21:29 merlinofchaos Exp $
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* Field handler to present a link to revert a node to a revision
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class views_handler_field_node_revision_link_revert extends views_handler_field_node_link {
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$this->additional_fields['uid'] = array('table' => 'node', 'field' => 'uid');
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$this->additional_fields['node_vid'] = array('table' => 'node', 'field' => 'vid');
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$this->additional_fields['vid'] = 'vid';
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$this->additional_fields['format'] = 'format';
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return user_access('revert revisions') || user_access('administer nodes');
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function render($values) {
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// ensure user has access to edit this node.
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$node = new stdClass();
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$node->nid = $values->{$this->aliases['nid']};
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$node->vid = $values->{$this->aliases['vid']};
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$node->uid = $values->{$this->aliases['uid']};
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$node->format = $values->{$this->aliases['format']};
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$node->status = 1; // unpublished nodes ignore access control
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if (!node_access('update', $node)) {
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// Current revision cannot be reverted.
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if ($node->vid == $values->{$this->aliases['node_vid']}) {
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$text = !empty($this->options['text']) ? $this->options['text'] : t('revert');
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return l($text, "node/$node->nid/revisions/$node->vid/revert", array('query' => drupal_get_destination()));