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         $this->icon = array();
  35         $this->_addIcon($GLOBALS['cfg']['NavigationTreeDefaultTabTable']);
  36         $this->_addIcon($GLOBALS['cfg']['NavigationTreeDefaultTabTable2']);
  37         switch($GLOBALS['cfg']['DefaultTabTable']) {
  38         case 'tbl_structure.php':
  39             $this->title = __('Structure');
  40             break;
  41         case 'tbl_select.php':
  42             $this->title = __('Search');
  43             break;
  44         case 'tbl_change.php':
  45             $this->title = __('Insert');
  46             break;
  47         case 'tbl_sql.php':
  48             $this->title = __('SQL');
  49             break;
  50         case 'sql.php':
  51             $this->title = __('Browse');
  52             break;
  53         }
  54         $this->links = array(
  55             'text' => $GLOBALS['cfg']['DefaultTabTable']
  56                     . '?server=' . $GLOBALS['server']
  57                     . '&amp;db=%2$s&amp;table=%1$s'
  58                     . '&amp;pos=0&amp;token=' . $_SESSION[' PMA_token '],
  59             'icon' => array(
  60                 $GLOBALS['cfg']['NavigationTreeDefaultTabTable']
  61                 . '?server=' . $GLOBALS['server']
  62                 . '&amp;db=%2$s&amp;table=%1$s&amp;token='
  63                 . $_SESSION[' PMA_token '],
  64                 $GLOBALS['cfg']['NavigationTreeDefaultTabTable2']
  65                 . '?server=' . $GLOBALS['server']
  66                 . '&amp;db=%2$s&amp;table=%1$s&amp;token='
  67                 . $_SESSION[' PMA_token ']
  68             ),
  69             'title' => $this->title
  70         );
  71         $this->classes = 'table';
  72     }
  73
  74     /**
  75      * Returns the number of children of type $type present inside this container
  76      * This method is overridden by the Node_Database and Node_Table classes
  77      *
  78      * @param string $type         The type of item we are looking for
  79      *                             ('columns' or 'indexes')
  80      * @param string $searchClause A string used to filter the results of the query
  81      *
  82      * @return int
  83      */
  84     public function getPresence($type = '', $searchClause = '')
  85     {
  86         $retval = 0;
  87         $db     = $this->realParent()->real_name;
  88         $table  = $this->real_name;
  89         switch ($type) {
  90         case 'columns':
  91             if (! $GLOBALS['cfg']['Server']['DisableIS']) {
  92                 $db     = PMA_Util::sqlAddSlashes($db);
  93                 $table  = PMA_Util::sqlAddSlashes($table);
  94                 $query  = "SELECT COUNT(*) ";
  95                 $query .= "FROM `INFORMATION_SCHEMA`.`COLUMNS` ";
  96                 $query .= "WHERE `TABLE_NAME`='$table' ";
  97                 $query .= "AND `TABLE_SCHEMA`='$db'";
  98                 $retval = (int)$GLOBALS['dbi']->fetchValue($query);
  99             } else {
 100                 $db     = PMA_Util::backquote($db);
 101                 $table  = PMA_Util::backquote($table);
 102                 $query  = "SHOW COLUMNS FROM $table FROM $db";
 103                 $retval = (int)$GLOBALS['dbi']->numRows(
 104                     $GLOBALS['dbi']->tryQuery($query)
 105                 );
 106             }
 107             break;
 108         case 'indexes':
 109             $db     = PMA_Util::backquote($db);
 110             $table  = PMA_Util::backquote($table);
 111             $query  = "SHOW INDEXES FROM $table FROM $db";
 112             $retval = (int)$GLOBALS['dbi']->numRows(
 113                 $GLOBALS['dbi']->tryQuery($query)
 114             );
 115             break;
 116         case 'triggers':
 117             if (! $GLOBALS['cfg']['Server']['DisableIS']) {
 118                 $db     = PMA_Util::sqlAddSlashes($db);
 119                 $table  = PMA_Util::sqlAddSlashes($table);
 120                 $query  = "SELECT COUNT(*) ";
 121                 $query .= "FROM `INFORMATION_SCHEMA`.`TRIGGERS` ";
 122                 $query .= "WHERE `EVENT_OBJECT_SCHEMA` "
 123                     . PMA_Util::getCollateForIS() . "='$db' ";
 124                 $query .= "AND `EVENT_OBJECT_TABLE` "
 125                     . PMA_Util::getCollateForIS() . "='$table'";
 126                 $retval = (int)$GLOBALS['dbi']->fetchValue($query);
 127             } else {
 128                 $db     = PMA_Util::backquote($db);
 129                 $table  = PMA_Util::sqlAddSlashes($table);
 130                 $query  = "SHOW TRIGGERS FROM $db WHERE `Table` = '$table'";
 131                 $retval = (int)$GLOBALS['dbi']->numRows(
 132                     $GLOBALS['dbi']->tryQuery($query)
 133                 );
 134             }
 135             break;
 136         default:
 137             break;
 138         }
 139         return $retval;
 140     }
 141
 142     /**
 143      * Returns the names of children of type $type present inside this container
 144      * This method is overridden by the Node_Database and Node_Table classes
 145      *
 146      * @param string $type         The type of item we are looking for
 147      *                             ('tables', 'views', etc)
 148      * @param int    $pos          The offset of the list within the results
 149      * @param string $searchClause A string used to filter the results of the query
 150      *
 151      * @return array
 152      */
 153     public function getData($type, $pos, $searchClause = '')
 154     {
 155         $maxItems = $GLOBALS['cfg']['MaxNavigationItems'];
 156         $retval   = array();
 157         $db       = $this->realParent()->real_name;
 158         $table    = $this->real_name;
 159         switch ($type) {
 160         case 'columns':
 161             if (! $GLOBALS['cfg']['Server']['DisableIS']) {
 162                 $db     = PMA_Util::sqlAddSlashes($db);
 163                 $table  = PMA_Util::sqlAddSlashes($table);
 164                 $query  = "SELECT `COLUMN_NAME` AS `name` ";
 165                 $query .= "FROM `INFORMATION_SCHEMA`.`COLUMNS` ";
 166                 $query .= "WHERE `TABLE_NAME`='$table' ";
 167                 $query .= "AND `TABLE_SCHEMA`='$db' ";
 168                 $query .= "ORDER BY `COLUMN_NAME` ASC ";
 169                 $query .= "LIMIT " . intval($pos) . ", $maxItems";
 170                 $retval = $GLOBALS['dbi']->fetchResult($query);
 171                 break;
 172             }
 173
 174             $db     = PMA_Util::backquote($db);
 175             $table  = PMA_Util::backquote($table);
 176             $query  = "SHOW COLUMNS FROM $table FROM $db";
 177             $handle = $GLOBALS['dbi']->tryQuery($query);
 178             if ($handle === false) {
 179                 break;
 180             }
 181
 182             $count = 0;
 183             while ($arr = $GLOBALS['dbi']->fetchArray($handle)) {
 184                 if ($pos <= 0 && $count < $maxItems) {
 185                     $retval[] = $arr['Field'];
 186                     $count++;
 187                 }
 188                 $pos--;
 189             }
 190             break;
 191         case 'indexes':
 192             $db     = PMA_Util::backquote($db);
 193             $table  = PMA_Util::backquote($table);
 194             $query  = "SHOW INDEXES FROM $table FROM $db";
 195             $handle = $GLOBALS['dbi']->tryQuery($query);
 196             if ($handle === false) {
 197                 break;
 198             }
 199
 200             $count = 0;
 201             while ($arr = $GLOBALS['dbi']->fetchArray($handle)) {
 202                 if (in_array($arr['Key_name'], $retval)) {
 203                     continue;
 204                 }
 205                 if ($pos <= 0 && $count < $maxItems) {
 206                     $retval[] = $arr['Key_name'];
 207                     $count++;
 208                 }
 209                 $pos--;
 210             }
 211             break;
 212         case 'triggers':
 213             if (! $GLOBALS['cfg']['Server']['DisableIS']) {
 214                 $db     = PMA_Util::sqlAddSlashes($db);
 215                 $table  = PMA_Util::sqlAddSlashes($table);
 216                 $query  = "SELECT `TRIGGER_NAME` AS `name` ";
 217                 $query .= "FROM `INFORMATION_SCHEMA`.`TRIGGERS` ";
 218                 $query .= "WHERE `EVENT_OBJECT_SCHEMA` "
 219                     . PMA_Util::getCollateForIS() . "='$db' ";
 220                 $query .= "AND `EVENT_OBJECT_TABLE` "
 221                     . PMA_Util::getCollateForIS() . "='$table' ";
 222                 $query .= "ORDER BY `TRIGGER_NAME` ASC ";
 223                 $query .= "LIMIT " . intval($pos) . ", $maxItems";
 224                 $retval = $GLOBALS['dbi']->fetchResult($query);
 225                 break;
 226             }
 227
 228             $db     = PMA_Util::backquote($db);
 229             $table  = PMA_Util::sqlAddSlashes($table);
 230             $query  = "SHOW TRIGGERS FROM $db WHERE `Table` = '$table'";
 231             $handle = $GLOBALS['dbi']->tryQuery($query);
 232             if ($handle === false) {
 233                 break;
 234             }
 235
 236             $count = 0;
 237             while ($arr = $GLOBALS['dbi']->fetchArray($handle)) {
 238                 if ($pos <= 0 && $count < $maxItems) {
 239                     $retval[] = $arr['Trigger'];
 240                     $count++;
 241                 }
 242                 $pos--;
 243             }
 244             break;
 245         default:
 246             break;
 247         }
 248         return $retval;
 249     }
 250
 251     /**
 252      * Returns the type of the item represented by the node.
 253      *
 254      * @return string type of the item
 255      */
 256     protected function getItemType()
 257     {
 258         return 'table';
 259     }
 260
 261     /**
 262      * Add an icon to navigation tree
 263      *
 264      * @param string $page Page name to redirect
 265      *
 266      * @return void
 267      */
 268     private function _addIcon($page)
 269     {
 270         if (empty($page)) {
 271             return;
 272         }
 273
 274         switch ($page) {
 275         case 'tbl_structure.php':
 276             $this->icon[] = PMA_Util::getImage('b_props.png', __('Structure'));
 277             break;
 278         case 'tbl_select.php':
 279             $this->icon[] = PMA_Util::getImage('b_search.png', __('Search'));
 280             break;
 281         case 'tbl_change.php':
 282             $this->icon[] = PMA_Util::getImage('b_insrow.png', __('Insert'));
 283             break;
 284         case 'tbl_sql.php':
 285             $this->icon[] = PMA_Util::getImage('b_sql.png', __('SQL'));
 286             break;
 287         case 'sql.php':
 288             $this->icon[] = PMA_Util::getImage('b_browse.png', __('Browse'));
 289             break;
 290         }
 291     }
 292 }
 293
 294 ?>