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/phpbb/tree/ -> tree_interface.php (source)

   1  <?php
   2  /**
   3  *
   4  * This file is part of the phpBB Forum Software package.
   5  *
   6  * @copyright (c) phpBB Limited <https://www.phpbb.com>
   7  * @license GNU General Public License, version 2 (GPL-2.0)
   8  *
   9  * For full copyright and license information, please see
  10  * the docs/CREDITS.txt file.
  11  *
  12  */
  13  
  14  namespace phpbb\tree;
  15  
  16  interface tree_interface
  17  {
  18      /**
  19      * Inserts an item into the database table and into the tree.
  20      *
  21      * @param array    $additional_data    The item to be added
  22      * @return array Array with item data as set in the database
  23      */
  24  	public function insert(array $additional_data);
  25  
  26      /**
  27      * Delete an item from the tree and from the database table
  28      *
  29      * Also deletes the subtree from the tree and from the database table
  30      *
  31      * @param int    $item_id    The item to be deleted
  32      * @return array        Item ids that have been deleted
  33      */
  34  	public function delete($item_id);
  35  
  36      /**
  37      * Move an item by a given delta
  38      *
  39      * An item is only moved up/down within the same parent. If the delta is
  40      * larger then the number of children, the item is moved to the top/bottom
  41      * of the list of children within this parent.
  42      *
  43      * @param int    $item_id    The item to be moved
  44      * @param int    $delta        Number of steps to move this item, < 0 => down, > 0 => up
  45      * @return bool True if the item was moved
  46      */
  47  	public function move($item_id, $delta);
  48  
  49      /**
  50      * Move an item down by 1
  51      *
  52      * @param int    $item_id    The item to be moved
  53      * @return bool True if the item was moved
  54      */
  55  	public function move_down($item_id);
  56  
  57      /**
  58      * Move an item up by 1
  59      *
  60      * @param int    $item_id    The item to be moved
  61      * @return bool True if the item was moved
  62      */
  63  	public function move_up($item_id);
  64  
  65      /**
  66      * Moves all children of one item to another item
  67      *
  68      * If the new parent already has children, the new children are appended
  69      * to the list.
  70      *
  71      * @param int    $current_parent_id    The current parent item
  72      * @param int    $new_parent_id        The new parent item
  73      * @return bool True if any items where moved
  74      */
  75  	public function move_children($current_parent_id, $new_parent_id);
  76  
  77      /**
  78      * Change parent item
  79      *
  80      * Moves the item to the bottom of the new \parent's list of children
  81      *
  82      * @param int    $item_id            The item to be moved
  83      * @param int    $new_parent_id        The new parent item
  84      * @return bool True if the parent was set successfully
  85      */
  86  	public function change_parent($item_id, $new_parent_id);
  87  
  88      /**
  89      * Get all items that are either ancestors or descendants of the item
  90      *
  91      * @param int        $item_id        Id of the item to retrieve the ancestors/descendants from
  92      * @param bool        $order_asc        Order the items ascendingly (most outer ancestor first)
  93      * @param bool        $include_item    Should the item matching the given item id be included in the list as well
  94      * @return array            Array of items (containing all columns from the item table)
  95      *                            ID => Item data
  96      */
  97  	public function get_path_and_subtree_data($item_id, $order_asc, $include_item);
  98  
  99      /**
 100      * Get all of the item's ancestors
 101      *
 102      * @param int        $item_id        Id of the item to retrieve the ancestors from
 103      * @param bool        $order_asc        Order the items ascendingly (most outer ancestor first)
 104      * @param bool        $include_item    Should the item matching the given item id be included in the list as well
 105      * @return array            Array of items (containing all columns from the item table)
 106      *                            ID => Item data
 107      */
 108  	public function get_path_data($item_id, $order_asc, $include_item);
 109  
 110      /**
 111      * Get all of the item's descendants
 112      *
 113      * @param int        $item_id        Id of the item to retrieve the descendants from
 114      * @param bool        $order_asc        Order the items ascendingly
 115      * @param bool        $include_item    Should the item matching the given item id be included in the list as well
 116      * @return array            Array of items (containing all columns from the item table)
 117      *                            ID => Item data
 118      */
 119  	public function get_subtree_data($item_id, $order_asc, $include_item);
 120  }


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