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<?php
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// $Id: comment_subject.module,v 1.6 2007/12/28 16:27:51 ahoeben Exp $
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/**
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* Implementation of hook_form_alter().
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*/
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function comment_subject_form_alter(&$form, &$form_state, $form_id) {
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if ($form_id == 'comment_form' && $form['subject']['#default_value']=='') {
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switch (arg(0)) {
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case 'node':
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$node = node_load(array('nid' => arg(1)));
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$subject = $node->title;
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break;
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case 'comment':
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if (arg(1)=='reply') {
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if (is_numeric(arg(3))) {
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$comment = _comment_load(arg(3));
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$subject = $comment->subject;
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} else {
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$node = node_load(arg(2));
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$subject = $node->title;
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}
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} else if (arg(1)=='edit' && is_numeric(arg(2))) {
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$comment = _comment_load(arg(2));
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$subject = $comment->subject;
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}
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break;
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}
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if (!preg_match('/^' . preg_quote(t('Re:')) . '/i', $subject))
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$subject = t('Re:') . ' ' . $subject;
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if (variable_get('comment_subject_field', 1) == 1) {
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$form['subject']['#default_value'] = $subject;
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} else {
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// comment subject disabled in comment settings
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$form['subject'] = array('#type' => 'hidden', '#default_value' => $subject);
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}
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}
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}
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?>
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