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<?php
/**
* @file
* Content type editing user interface.
*/
/**
* Displays the content type admin overview page.
*/
function node_overview_types() {
$types = node_type_get_types();
$names = node_type_get_names();
$field_ui = module_exists('field_ui');
$header = array(t('Name'), array('data' => t('Operations'), 'colspan' => $field_ui ? '4' : '2'));
$rows = array();
foreach ($names as $key => $name) {
$type = $types[$key];
if (node_hook($type->type, 'form')) {
$type_url_str = str_replace('_', '-', $type->type);
$row = array(theme('node_admin_overview', array('name' => $name, 'type' => $type)));
// Set the edit column.
$row[] = array('data' => l(t('edit'), 'admin/structure/types/manage/' . $type_url_str));
if ($field_ui) {
// Manage fields.
$row[] = array('data' => l(t('manage fields'), 'admin/structure/types/manage/' . $type_url_str . '/fields'));
// Display fields.
$row[] = array('data' => l(t('manage display'), 'admin/structure/types/manage/' . $type_url_str . '/display'));
}
// Set the delete column.
if ($type->custom) {
$row[] = array('data' => l(t('delete'), 'admin/structure/types/manage/' . $type_url_str . '/delete'));
}
else {
$row[] = array('data' => '');
}
$rows[] = $row;
}
}
$build['node_table'] = array(
'#theme' => 'table',
'#header' => $header,
'#rows' => $rows,
'#empty' => t('No content types available. <a href="@link">Add content type</a>.', array('@link' => url('admin/structure/types/add'))),
);
return $build;
}
/**
* Returns HTML for a node type description for the content type admin overview page.
*
* @param $variables
* An associative array containing:
* - name: The human-readable name of the content type.
* - type: An object containing the 'type' (machine name) and 'description' of
* the content type.
*
* @ingroup themeable
*/
function theme_node_admin_overview($variables) {
$name = $variables['name'];
$type = $variables['type'];
$output = check_plain($name);
$output .= ' <small>' . t('(Machine name: @type)', array('@type' => $type->type)) . '</small>';
$output .= '<div class="description">' . filter_xss_admin($type->description) . '</div>';
return $output;
}
/**
* Form constructor for the node type editing form.
*
* @param $type
* (optional) An object representing the node type, when editing an existing
* node type.
*
* @see node_type_form_validate()
* @see node_type_form_submit()
* @ingroup forms
*/
function node_type_form($form, &$form_state, $type = NULL) {
if (!isset($type->type)) {
// This is a new type. Node module managed types are custom and unlocked.
$type = node_type_set_defaults(array('custom' => 1, 'locked' => 0));
}
// Make the type object available to implementations of hook_form_alter.
$form['#node_type'] = $type;
$form['name'] = array(
'#title' => t('Name'),
'#type' => 'textfield',
'#default_value' => $type->name,
'#description' => t('The human-readable name of this content type. This text will be displayed as part of the list on the <em>Add new content</em> page. It is recommended that this name begin with a capital letter and contain only letters, numbers, and spaces. This name must be unique.'),
'#required' => TRUE,
'#size' => 30,
);
$form['type'] = array(
'#type' => 'machine_name',
'#default_value' => $type->type,
'#maxlength' => 32,
'#disabled' => $type->locked,
'#machine_name' => array(
'exists' => 'node_type_load',
),
'#description' => t('A unique machine-readable name for this content type. It must only contain lowercase letters, numbers, and underscores. This name will be used for constructing the URL of the %node-add page, in which underscores will be converted into hyphens.', array(
'%node-add' => t('Add new content'),
)),
);
$form['description'] = array(
'#title' => t('Description'),
'#type' => 'textarea',
'#default_value' => $type->description,
'#description' => t('Describe this content type. The text will be displayed on the <em>Add new content</em> page.'),
);
$form['additional_settings'] = array(
'#type' => 'vertical_tabs',
'#attached' => array(
'js' => array(drupal_get_path('module', 'node') . '/content_types.js'),
),
);
$form['submission'] = array(
'#type' => 'fieldset',
'#title' => t('Submission form settings'),
'#collapsible' => TRUE,
'#group' => 'additional_settings',
);
$form['submission']['title_label'] = array(
'#title' => t('Title field label'),
'#type' => 'textfield',
'#default_value' => $type->title_label,
'#required' => TRUE,
);
if (!$type->has_title) {
// Avoid overwriting a content type that intentionally does not have a
// title field.
$form['submission']['title_label']['#attributes'] = array('disabled' => 'disabled');
$form['submission']['title_label']['#description'] = t('This content type does not have a title field.');
$form['submission']['title_label']['#required'] = FALSE;
}
$form['submission']['node_preview'] = array(
'#type' => 'radios',
'#title' => t('Preview before submitting'),
'#default_value' => variable_get('node_preview_' . $type->type, DRUPAL_OPTIONAL),
'#options' => array(
DRUPAL_DISABLED => t('Disabled'),
DRUPAL_OPTIONAL => t('Optional'),
DRUPAL_REQUIRED => t('Required'),
),
);
$form['submission']['help'] = array(
'#type' => 'textarea',
'#title' => t('Explanation or submission guidelines'),
'#default_value' => $type->help,
'#description' => t('This text will be displayed at the top of the page when creating or editing content of this type.'),
);
$form['workflow'] = array(
'#type' => 'fieldset',
'#title' => t('Publishing options'),
'#collapsible' => TRUE,
'#collapsed' => TRUE,
'#group' => 'additional_settings',
);
$form['workflow']['node_options'] = array('#type' => 'checkboxes',
'#title' => t('Default options'),
'#default_value' => variable_get('node_options_' . $type->type, array('status', 'promote')),
'#options' => array(
'status' => t('Published'),
'promote' => t('Promoted to front page'),
'sticky' => t('Sticky at top of lists'),
'revision' => t('Create new revision'),
),
'#description' => t('Users with the <em>Administer content</em> permission will be able to override these options.'),
);
$form['display'] = array(
'#type' => 'fieldset',
'#title' => t('Display settings'),
'#collapsible' => TRUE,
'#collapsed' => TRUE,
'#group' => 'additional_settings',
);
$form['display']['node_submitted'] = array(
'#type' => 'checkbox',
'#title' => t('Display author and date information.'),
'#default_value' => variable_get('node_submitted_' . $type->type, TRUE),
'#description' => t('Author username and publish date will be displayed.'),
);
$form['old_type'] = array(
'#type' => 'value',
'#value' => $type->type,
);
$form['orig_type'] = array(
'#type' => 'value',
'#value' => isset($type->orig_type) ? $type->orig_type : '',
);
$form['base'] = array(
'#type' => 'value',
'#value' => $type->base,
);
$form['custom'] = array(
'#type' => 'value',
'#value' => $type->custom,
);
$form['modified'] = array(
'#type' => 'value',
'#value' => $type->modified,
);
$form['locked'] = array(
'#type' => 'value',
'#value' => $type->locked,
);
$form['actions'] = array('#type' => 'actions');
$form['actions']['submit'] = array(
'#type' => 'submit',
'#value' => t('Save content type'),
'#weight' => 40,
);
if ($type->custom) {
if (!empty($type->type)) {
$form['actions']['delete'] = array(
'#type' => 'submit',
'#value' => t('Delete content type'),
'#weight' => 45,
);
}
}
return $form;
}
/**
* Helper function for teaser length choices.
*/
function _node_characters($length) {
return ($length == 0) ? t('Unlimited') : format_plural($length, '1 character', '@count characters');
}
/**
* Form validation handler for node_type_form().
*
* @see node_type_form_submit()
*/
function node_type_form_validate($form, &$form_state) {
$type = new stdClass();
$type->type = $form_state['values']['type'];
$type->name = trim($form_state['values']['name']);
// Work out what the type was before the user submitted this form
$old_type = $form_state['values']['old_type'];
$types = node_type_get_names();
if (!$form_state['values']['locked']) {
// 'theme' conflicts with theme_node_form().
// '0' is invalid, since elsewhere we check it using empty().
if (in_array($type->type, array('0', 'theme'))) {
form_set_error('type', t("Invalid machine-readable name. Enter a name other than %invalid.", array('%invalid' => $type->type)));
}
}
$names = array_flip($types);
if (isset($names[$type->name]) && $names[$type->name] != $old_type) {
form_set_error('name', t('The human-readable name %name is already taken.', array('%name' => $type->name)));
}
}
/**
* Form submission handler for node_type_form().
*
* @see node_type_form_validate()
*/
function node_type_form_submit($form, &$form_state) {
$op = isset($form_state['values']['op']) ? $form_state['values']['op'] : '';
$type = node_type_set_defaults();
$type->type = $form_state['values']['type'];
$type->name = trim($form_state['values']['name']);
$type->orig_type = trim($form_state['values']['orig_type']);
$type->old_type = isset($form_state['values']['old_type']) ? $form_state['values']['old_type'] : $type->type;
$type->description = $form_state['values']['description'];
$type->help = $form_state['values']['help'];
$type->title_label = $form_state['values']['title_label'];
// title_label is required in core; has_title will always be true, unless a
// module alters the title field.
$type->has_title = ($type->title_label != '');
$type->base = !empty($form_state['values']['base']) ? $form_state['values']['base'] : 'node_content';
$type->custom = $form_state['values']['custom'];
$type->modified = TRUE;
$type->locked = $form_state['values']['locked'];
if (isset($form['#node_type']->module)) {
$type->module = $form['#node_type']->module;
}
if ($op == t('Delete content type')) {
$form_state['redirect'] = 'admin/structure/types/manage/' . str_replace('_', '-', $type->old_type) . '/delete';
return;
}
$variables = $form_state['values'];
// Remove everything that's been saved already - whatever's left is assumed
// to be a persistent variable.
foreach ($variables as $key => $value) {
if (isset($type->$key)) {
unset($variables[$key]);
}
}
unset($variables['form_token'], $variables['op'], $variables['submit'], $variables['delete'], $variables['reset'], $variables['form_id'], $variables['form_build_id']);
// Save or reset persistent variable values.
foreach ($variables as $key => $value) {
$variable_new = $key . '_' . $type->type;
$variable_old = $key . '_' . $type->old_type;
if (is_array($value)) {
$value = array_keys(array_filter($value));
}
variable_set($variable_new, $value);
if ($variable_new != $variable_old) {
variable_del($variable_old);
}
}
// Saving the content type after saving the variables allows modules to act
// on those variables via hook_node_type_insert().
$status = node_type_save($type);
node_types_rebuild();
menu_rebuild();
$t_args = array('%name' => $type->name);
if ($status == SAVED_UPDATED) {
drupal_set_message(t('The content type %name has been updated.', $t_args));
}
elseif ($status == SAVED_NEW) {
node_add_body_field($type);
drupal_set_message(t('The content type %name has been added.', $t_args));
watchdog('node', 'Added content type %name.', $t_args, WATCHDOG_NOTICE, l(t('view'), 'admin/structure/types'));
}
$form_state['redirect'] = 'admin/structure/types';
return;
}
/**
* Implements hook_node_type_insert().
*/
function node_node_type_insert($info) {
if (!empty($info->old_type) && $info->old_type != $info->type) {
$update_count = node_type_update_nodes($info->old_type, $info->type);
if ($update_count) {
drupal_set_message(format_plural($update_count, 'Changed the content type of 1 post from %old-type to %type.', 'Changed the content type of @count posts from %old-type to %type.', array('%old-type' => $info->old_type, '%type' => $info->type)));
}
}
}
/**
* Implements hook_node_type_update().
*/
function node_node_type_update($info) {
if (!empty($info->old_type) && $info->old_type != $info->type) {
$update_count = node_type_update_nodes($info->old_type, $info->type);
if ($update_count) {
drupal_set_message(format_plural($update_count, 'Changed the content type of 1 post from %old-type to %type.', 'Changed the content type of @count posts from %old-type to %type.', array('%old-type' => $info->old_type, '%type' => $info->type)));
}
}
}
/**
* Resets relevant fields of a module-defined node type to their default values.
*
* @param $type
* The node type to reset. The node type is passed back by reference with its
* resetted values. If there is no module-defined info for this node type,
* then nothing happens.
*/
function node_type_reset($type) {
$info_array = module_invoke_all('node_info');
if (isset($info_array[$type->orig_type])) {
$info_array[$type->orig_type]['type'] = $type->orig_type;
$info = node_type_set_defaults($info_array[$type->orig_type]);
foreach ($info as $field => $value) {
$type->$field = $value;
}
}
}
/**
* Menu callback; delete a single content type.
*
* @ingroup forms
*/
function node_type_delete_confirm($form, &$form_state, $type) {
$form['type'] = array('#type' => 'value', '#value' => $type->type);
$form['name'] = array('#type' => 'value', '#value' => $type->name);
$message = t('Are you sure you want to delete the content type %type?', array('%type' => $type->name));
$caption = '';
$num_nodes = db_query("SELECT COUNT(*) FROM {node} WHERE type = :type", array(':type' => $type->type))->fetchField();
if ($num_nodes) {
$caption .= '<p>' . format_plural($num_nodes, '%type is used by 1 piece of content on your site. If you remove this content type, you will not be able to edit the %type content and it may not display correctly.', '%type is used by @count pieces of content on your site. If you remove %type, you will not be able to edit the %type content and it may not display correctly.', array('%type' => $type->name)) . '</p>';
}
$caption .= '<p>' . t('This action cannot be undone.') . '</p>';
return confirm_form($form, $message, 'admin/structure/types', $caption, t('Delete'));
}
/**
* Process content type delete confirm submissions.
*
* @see node_type_delete_confirm()
*/
function node_type_delete_confirm_submit($form, &$form_state) {
node_type_delete($form_state['values']['type']);
variable_del('node_preview_' . $form_state['values']['type']);
$t_args = array('%name' => $form_state['values']['name']);
drupal_set_message(t('The content type %name has been deleted.', $t_args));
watchdog('node', 'Deleted content type %name.', $t_args, WATCHDOG_NOTICE);
node_types_rebuild();
menu_rebuild();
$form_state['redirect'] = 'admin/structure/types';
return;
}