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<?php
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// $Id: edit_authoring_info.module,v 1.1 2007/02/23 03:42:27 davidlesieur Exp $
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/**
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* Implementation of hook_perm().
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*/
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function edit_authoring_info_perm() {
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return array('edit date authored', 'edit author');
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}
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/**
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* Implementation of hook_form_alter().
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*/
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function edit_authoring_info_form_alter($form_id, &$form) {
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if (isset($form['type']) && $form_id == $form['type']['#value'] .'_node_form') {
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// Check 'administer nodes' to avoid conflict with the core code
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if (!user_access('administer nodes') && (user_access('edit date authored') || user_access('edit author'))) {
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$node = $form['#node'];
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$form['author'] = array(
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'#type' => 'fieldset',
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'#title' => t('Authoring information'),
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'#collapsible' => TRUE,
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'#collapsed' => FALSE,
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'#weight' => 20,
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);
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if (user_access('edit date authored')) {
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if (!isset($node->created)) {
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$node->created = time();
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}
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if (!isset($node->date)) {
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$node->date = format_date($node->created, 'custom', 'Y-m-d H:i:s O');
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}
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// Authored on
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$form['author']['date'] = array(
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'#type' => 'textfield',
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'#title' => t('Authored on'),
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'#maxlength' => 25,
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'#description' => t('Format: %time. Leave blank to use the time of form submission.', array('%time' => $node->date)),
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);
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if (isset($node->nid)) {
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$form['author']['date']['#default_value'] = $node->date;
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}
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}
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if (user_access('edit author')) {
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$form['author']['name'] = array(
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'#type' => 'textfield',
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'#title' => t('Authored by'),
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'#maxlength' => 60,
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'#autocomplete_path' => 'user/autocomplete',
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'#default_value' => $node->name ? $node->name : '',
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'#weight' => -1,
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'#description' => t('Leave blank for %anonymous.', array('%anonymous' => variable_get('anonymous', 'Anonymous'))),
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);
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}
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$form['#validate']['edit_authoring_info_form_validate'] = current($form['#validate']);
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}
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}
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}
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/**
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* Callback for form validation.
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*/
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function edit_authoring_info_form_validate($form_id, $form_values) {
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if (user_access('edit date authored')) {
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// Validate the "authored on" field. As of PHP 5.1.0, strtotime returns FALSE instead of -1 upon failure.
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if (!empty($form_values['date']) && strtotime($form_values['date']) <= 0) {
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form_set_error('date', t('You have to specify a valid date.'));
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}
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}
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if (user_access('edit author')) {
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// Validate the "authored by" field.
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if (!empty($form_values['name']) && !($account = user_load(array('name' => $form_values['name'])))) {
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// The use of empty() is mandatory in the context of usernames
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// as the empty string denotes the anonymous user. In case we
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// are dealing with an anonymous user we set the user ID to 0.
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form_set_error('name', t('The username %name does not exist.', array ('%name' => theme('placeholder', $form_values['name']))));
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}
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}
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}
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/**
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* Implementation of hook_nodeapi().
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*/
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function edit_authoring_info_nodeapi(&$node, $op) {
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// Check 'administer nodes' to avoid conflict with the core code
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if ($op == 'submit' && !user_access('administer nodes')) {
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if (user_access('edit date authored')) {
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// Populate the "authored on" field
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$node->created = $node->date ? strtotime($node->date) : NULL;
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}
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if (user_access('edit author')) {
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// Populate the "authored by" field.
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if ($account = user_load(array('name' => $node->name))) {
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$node->uid = $account->uid;
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}
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else {
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$node->uid = 0;
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}
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}
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}
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}
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