phpmyadmin/libraries/navigation/Nodes/Node_Table.class.php

   1 <?php
   2 /* vim: set expandtab sw=4 ts=4 sts=4: */
   3 /**
   4  * Functionality for the navigation tree
   5  *
   6  * @package PhpMyAdmin-Navigation
   7  */
   8 if (! defined('PHPMYADMIN')) {
   9     exit;
  10 }
  11
  12 require_once 'libraries/navigation/Nodes/Node_DatabaseChild.class.php';
  13
  14 /**
  15  * Represents a columns node in the navigation tree
  16  *
  17  * @package PhpMyAdmin-Navigation
  18  */
  19 class Node_Table extends Node_DatabaseChild
  20 {
  21     /**
  22      * Initialises the class
  23      *
  24      * @param string $name     An identifier for the new node
  25      * @param int    $type     Type of node, may be one of CONTAINER or OBJECT
  26      * @param bool   $is_group Whether this object has been created
  27      *                         while grouping nodes
  28      *
  29      * @return Node_Table
  30      */
  31     public function __construct($name, $type = Node::OBJECT, $is_group = false)
  32     {
  33         parent::__construct($name, $type, $is_group);
  34         switch($GLOBALS['cfg']['NavigationTreeDefaultTabTable']) {
  35         case 'tbl_structure.php':
  36             $this->icon  = PMA_Util::getImage('b_props.png', __('Structure'));
  37             break;
  38         case 'tbl_select.php':
  39             $this->icon  = PMA_Util::getImage('b_search.png', __('Search'));
  40             break;
  41         case 'tbl_change.php':
  42             $this->icon  = PMA_Util::getImage('b_insrow.png', __('Insert'));
  43             break;
  44         case 'tbl_sql.php':
  45             $this->icon  = PMA_Util::getImage('b_sql.png',  __('SQL'));
  46             break;
  47         case 'sql.php':
  48             $this->icon  = PMA_Util::getImage('b_browse.png', __('Browse'));
  49             break;
  50         }
  51         $this->links = array(
  52             'text' => $GLOBALS['cfg']['DefaultTabTable']
  53                     . '?server=' . $GLOBALS['server']
  54                     . '&amp;db=%2$s&amp;table=%1$s'
  55                     . '&amp;pos=0&amp;token=' . $GLOBALS['token'],
  56             'icon' => $GLOBALS['cfg']['NavigationTreeDefaultTabTable']
  57                     . '?server=' . $GLOBALS['server']
  58                     . '&amp;db=%2$s&amp;table=%1$s&amp;token=' . $GLOBALS['token']
  59         );
  60         $this->classes = 'table';
  61     }
  62
  63     /**
  64      * Returns the number of children of type $type present inside this container
  65      * This method is overridden by the Node_Database and Node_Table classes
  66      *
  67      * @param string $type         The type of item we are looking for
  68      *                             ('columns' or 'indexes')
  69      * @param string $searchClause A string used to filter the results of the query
  70      *
  71      * @return int
  72      */
  73     public function getPresence($type = '', $searchClause = '')
  74     {
  75         $retval = 0;
  76         $db     = $this->realParent()->real_name;
  77         $table  = $this->real_name;
  78         switch ($type) {
  79         case 'columns':
  80             $db     = PMA_Util::sqlAddSlashes($db);
  81             $table  = PMA_Util::sqlAddSlashes($table);
  82             $query  = "SELECT COUNT(*) ";
  83             $query .= "FROM `INFORMATION_SCHEMA`.`COLUMNS` ";
  84             $query .= "WHERE `TABLE_NAME`='$table' ";
  85             $query .= "AND `TABLE_SCHEMA`='$db'";
  86             $retval = (int)$GLOBALS['dbi']->fetchValue($query);
  87             break;
  88         case 'indexes':
  89             $db     = PMA_Util::backquote($db);
  90             $table  = PMA_Util::backquote($table);
  91             $query  = "SHOW INDEXES FROM $table FROM $db";
  92             $retval = (int)$GLOBALS['dbi']->numRows(
  93                 $GLOBALS['dbi']->tryQuery($query)
  94             );
  95             break;
  96         case 'triggers':
  97             $db     = PMA_Util::sqlAddSlashes($db);
  98             $table  = PMA_Util::sqlAddSlashes($table);
  99             $query  = "SELECT COUNT(*) ";
 100             $query .= "FROM `INFORMATION_SCHEMA`.`TRIGGERS` ";
 101             $query .= "WHERE `EVENT_OBJECT_SCHEMA`='$db' ";
 102             $query .= "AND `EVENT_OBJECT_TABLE`='$table'";
 103             $retval = (int)$GLOBALS['dbi']->fetchValue($query);
 104             break;
 105         default:
 106             break;
 107         }
 108         return $retval;
 109     }
 110
 111     /**
 112      * Returns the names of children of type $type present inside this container
 113      * This method is overridden by the Node_Database and Node_Table classes
 114      *
 115      * @param string $type         The type of item we are looking for
 116      *                             ('tables', 'views', etc)
 117      * @param int    $pos          The offset of the list within the results
 118      * @param string $searchClause A string used to filter the results of the query
 119      *
 120      * @return array
 121      */
 122     public function getData($type, $pos, $searchClause = '')
 123     {
 124         $maxItems = $GLOBALS['cfg']['MaxNavigationItems'];
 125         $retval   = array();
 126         $db       = $this->realParent()->real_name;
 127         $table    = $this->real_name;
 128         switch ($type) {
 129         case 'columns':
 130             $db     = PMA_Util::sqlAddSlashes($db);
 131             $table  = PMA_Util::sqlAddSlashes($table);
 132             $query  = "SELECT `COLUMN_NAME` AS `name` ";
 133             $query .= "FROM `INFORMATION_SCHEMA`.`COLUMNS` ";
 134             $query .= "WHERE `TABLE_NAME`='$table' ";
 135             $query .= "AND `TABLE_SCHEMA`='$db' ";
 136             $query .= "ORDER BY `COLUMN_NAME` ASC ";
 137             $query .= "LIMIT " . intval($pos) . ", $maxItems";
 138             $retval = $GLOBALS['dbi']->fetchResult($query);
 139             break;
 140         case 'indexes':
 141             $db     = PMA_Util::backquote($db);
 142             $table  = PMA_Util::backquote($table);
 143             $query  = "SHOW INDEXES FROM $table FROM $db";
 144             $handle = $GLOBALS['dbi']->tryQuery($query);
 145             if ($handle === false) {
 146                 break;
 147             }
 148             $count = 0;
 149             while ($arr = $GLOBALS['dbi']->fetchArray($handle)) {
 150                 if (! in_array($arr['Key_name'], $retval)) {
 151                     if ($pos <= 0 && $count < $maxItems) {
 152                         $retval[] = $arr['Key_name'];
 153                         $count++;
 154                     }
 155                     $pos--;
 156                 }
 157             }
 158             break;
 159         case 'triggers':
 160             $db     = PMA_Util::sqlAddSlashes($db);
 161             $table  = PMA_Util::sqlAddSlashes($table);
 162             $query  = "SELECT `TRIGGER_NAME` AS `name` ";
 163             $query .= "FROM `INFORMATION_SCHEMA`.`TRIGGERS` ";
 164             $query .= "WHERE `EVENT_OBJECT_SCHEMA`='$db' ";
 165             $query .= "AND `EVENT_OBJECT_TABLE`='$table' ";
 166             $query .= "ORDER BY `TRIGGER_NAME` ASC ";
 167             $query .= "LIMIT " . intval($pos) . ", $maxItems";
 168             $retval = $GLOBALS['dbi']->fetchResult($query);
 169             break;
 170         default:
 171             break;
 172         }
 173         return $retval;
 174     }
 175
 176     /**
 177      * Returns the type of the item represented by the node.
 178      *
 179      * @return string type of the item
 180      */
 181     protected function getItemType()
 182     {
 183         return 'table';
 184     }
 185 }
 186
 187 ?>