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<?php
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/**
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* @file
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* Install, update and uninstall functions for the book module.
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*/
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/**
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* Implements hook_install().
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*/
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function book_install() {
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// Add the node type.
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_book_install_type_create();
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}
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/**
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* Implements hook_uninstall().
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*/
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function book_uninstall() {
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variable_del('book_allowed_types');
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variable_del('book_child_type');
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variable_del('book_block_mode');
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// Delete menu links.
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db_delete('menu_links')
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->condition('module', 'book')
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->execute();
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menu_cache_clear_all();
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}
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/**
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* Creates the book content type.
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*/
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function _book_install_type_create() {
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// Create an additional node type.
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$book_node_type = array(
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'type' => 'book',
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'name' => t('Book page'),
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'base' => 'node_content',
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'description' => t('<em>Books</em> have a built-in hierarchical navigation. Use for handbooks or tutorials.'),
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'custom' => 1,
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'modified' => 1,
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'locked' => 0,
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);
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$book_node_type = node_type_set_defaults($book_node_type);
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node_type_save($book_node_type);
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node_add_body_field($book_node_type);
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// Default to not promoted.
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variable_set('node_options_book', array('status'));
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// Use this default type for adding content to books.
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variable_set('book_allowed_types', array('book'));
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variable_set('book_child_type', 'book');
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}
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/**
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* Implements hook_schema().
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*/
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function book_schema() {
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$schema['book'] = array(
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'description' => 'Stores book outline information. Uniquely connects each node in the outline to a link in {menu_links}',
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'fields' => array(
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'mlid' => array(
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'type' => 'int',
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'unsigned' => TRUE,
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'not null' => TRUE,
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'default' => 0,
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'description' => "The book page's {menu_links}.mlid.",
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),
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'nid' => array(
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'type' => 'int',
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'unsigned' => TRUE,
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'not null' => TRUE,
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'default' => 0,
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'description' => "The book page's {node}.nid.",
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),
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'bid' => array(
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'type' => 'int',
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'unsigned' => TRUE,
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'not null' => TRUE,
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'default' => 0,
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'description' => "The book ID is the {book}.nid of the top-level page.",
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),
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),
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'primary key' => array('mlid'),
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'unique keys' => array(
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'nid' => array('nid'),
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),
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'indexes' => array(
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'bid' => array('bid'),
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),
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);
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return $schema;
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}
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