Initial commit of intern.ccwn.org contentsHEADmaster

1 files changed, 1229 insertions, 0 deletions

diff --git a/hugo/libraries/TableSearch.class.php b/hugo/libraries/TableSearch.class.php
new file mode 100644
index 0000000..65f45ad
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+++ b/hugo/libraries/TableSearch.class.php
@@ -0,0 +1,1229 @@
+<?php
+/* vim: set expandtab sw=4 ts=4 sts=4: */
+/**
+ * Handles Table search and Zoom search
+ *
+ * @package PhpMyAdmin
+ */
+if (! defined('PHPMYADMIN')) {
+    exit;
+}
+
+/**
+ * Class to handle normal-search
+ * and zoom-search in a table
+ *
+ * @package PhpMyAdmin
+ */
+class PMA_TableSearch
+{
+    /**
+     * Database name
+     *
+     * @access private
+     * @var string
+     */
+    private $_db;
+    /**
+     * Table name
+     *
+     * @access private
+     * @var string
+     */
+    private $_table;
+    /**
+     * Normal search or Zoom search
+     *
+     * @access private
+     * @var string
+     */
+    private $_searchType;
+    /**
+     * Names of columns
+     *
+     * @access private
+     * @var array
+     */
+    private $_columnNames;
+    /**
+     * Types of columns
+     *
+     * @access private
+     * @var array
+     */
+    private $_columnTypes;
+    /**
+     * Collations of columns
+     *
+     * @access private
+     * @var array
+     */
+    private $_columnCollations;
+    /**
+     * Null Flags of columns
+     *
+     * @access private
+     * @var array
+     */
+    private $_columnNullFlags;
+    /**
+     * Whether a geometry column is present
+     *
+     * @access private
+     * @var boolean
+     */
+    private $_geomColumnFlag;
+    /**
+     * Foreign Keys
+     *
+     * @access private
+     * @var array
+     */
+    private $_foreigners;
+
+
+    /**
+     * Public Constructor
+     *
+     * @param string $db         Database name
+     * @param string $table      Table name
+     * @param string $searchType Whether normal or zoom search
+     */
+    public function __construct($db, $table, $searchType)
+    {
+        $this->_db = $db;
+        $this->_table = $table;
+        $this->_searchType = $searchType;
+        $this->_columnNames = array();
+        $this->_columnNullFlags = array();
+        $this->_columnTypes = array();
+        $this->_columnCollations = array();
+        $this->_geomColumnFlag = false;
+        $this->_foreigners = array();
+        // Loads table's information
+        $this->_loadTableInfo();
+    }
+
+    /**
+     * Returns Column names array
+     *
+     * @return array column names
+     */
+    public function getColumnNames()
+    {
+        return $this->_columnNames;
+    }
+
+    /**
+     * Gets all the columns of a table along with their types, collations
+     * and whether null or not.
+     *
+     * @return void
+     */
+    private function _loadTableInfo()
+    {
+        // Gets the list and number of columns
+        $columns = PMA_DBI_get_columns($this->_db, $this->_table, null, true);
+        // Get details about the geometry fucntions
+        $geom_types = PMA_Util::getGISDatatypes();
+
+        foreach ($columns as $row) {
+            // set column name
+            $this->_columnNames[] = $row['Field'];
+
+            $type = $row['Type'];
+            // check whether table contains geometric columns
+            if (in_array($type, $geom_types)) {
+                $this->_geomColumnFlag = true;
+            }
+            // reformat mysql query output
+            if (strncasecmp($type, 'set', 3) == 0
+                || strncasecmp($type, 'enum', 4) == 0
+            ) {
+                $type = str_replace(',', ', ', $type);
+            } else {
+                // strip the "BINARY" attribute, except if we find "BINARY(" because
+                // this would be a BINARY or VARBINARY column type
+                if (! preg_match('@BINARY[\(]@i', $type)) {
+                    $type = preg_replace('@BINARY@i', '', $type);
+                }
+                $type = preg_replace('@ZEROFILL@i', '', $type);
+                $type = preg_replace('@UNSIGNED@i', '', $type);
+                $type = strtolower($type);
+            }
+            if (empty($type)) {
+                $type = '&nbsp;';
+            }
+            $this->_columnTypes[] = $type;
+            $this->_columnNullFlags[] = $row['Null'];
+            $this->_columnCollations[]
+                = ! empty($row['Collation']) && $row['Collation'] != 'NULL'
+                ? $row['Collation']
+                : '';
+        } // end for
+
+        // Retrieve foreign keys
+        $this->_foreigners = PMA_getForeigners($this->_db, $this->_table);
+    }
+
+    /**
+     * Sets the table header for displaying a table in query-by-example format.
+     *
+     * @return HTML content, the tags and content for table header
+     */
+    private function _getTableHeader()
+    {
+        // Display the Function column only if there is at least one geometry column
+        $func = '';
+        if ($this->_geomColumnFlag) {
+            $func = '<th>' . __('Function') . '</th>';
+        }
+
+        return '<thead>
+            <tr>' . $func . '<th>' .  __('Column') . '</th>
+            <th>' .  __('Type') . '</th>
+            <th>' .  __('Collation') . '</th>
+            <th>' .  __('Operator') . '</th>
+            <th>' .  __('Value') . '</th>
+            </tr>
+            </thead>';
+    }
+
+    /**
+     * Returns an array with necessary configrations to create
+     * sub-tabs(Table Search and Zoom Search) in the table_select page.
+     *
+     * @return array Array containing configuration (icon, text, link, id, args)
+     * of sub-tabs for Table Search and Zoom search
+     */
+    private function _getSubTabs()
+    {
+        $subtabs = array();
+        $subtabs['search']['icon'] = 'b_search.png';
+        $subtabs['search']['text'] = __('Table Search');
+        $subtabs['search']['link'] = 'tbl_select.php';
+        $subtabs['search']['id'] = 'tbl_search_id';
+        $subtabs['search']['args']['pos'] = 0;
+
+        $subtabs['zoom']['icon'] = 'b_props.png';
+        $subtabs['zoom']['link'] = 'tbl_zoom_select.php';
+        $subtabs['zoom']['text'] = __('Zoom Search');
+        $subtabs['zoom']['id'] = 'zoom_search_id';
+
+        return $subtabs;
+    }
+
+    /**
+     * Provides html elements for search criteria inputbox
+     * in case the column's type is geometrical
+     *
+     * @param int  $column_index Column's index
+     * @param bool $in_fbs       Whether we are in 'function based search'
+     *
+     * @return HTML elements.
+     */
+    private function _getGeometricalInputBox($column_index, $in_fbs)
+    {
+        $html_output = '<input type="text" name="criteriaValues[' . $column_index . ']"'
+            . ' size="40" class="textfield" id="field_' . $column_index . '" />';
+
+        if ($in_fbs) {
+            $edit_url = 'gis_data_editor.php?' . PMA_generate_common_url();
+            $edit_str = PMA_Util::getIcon('b_edit.png', __('Edit/Insert'));
+            $html_output .= '<span class="open_search_gis_editor">';
+            $html_output .= PMA_Util::linkOrButton(
+                $edit_url, $edit_str, array(), false, false, '_blank'
+            );
+            $html_output .= '</span>';
+        }
+        return $html_output;
+    }
+
+    /**
+     * Provides html elements for search criteria inputbox
+     * in case the column is a Foreign Key
+     *
+     * @param array  $foreignData         Foreign keys data
+     * @param string $column_name         Column name
+     * @param int    $column_index        Column index
+     * @param array  $titles              Selected title
+     * @param int    $foreignMaxLimit     Max limit of displaying foreign elements
+     * @param array  $criteriaValues      Array of search criteria inputs
+     * @param string $column_id           Column's inputbox's id
+     * @param bool   $in_zoom_search_edit Whether we are in zoom search edit
+     *
+     * @return HTML elements.
+     */
+    private function _getForeignKeyInputBox($foreignData, $column_name,
+        $column_index, $titles, $foreignMaxLimit, $criteriaValues, $column_id,
+        $in_zoom_search_edit = false
+    ) {
+        $html_output = '';
+        if (is_array($foreignData['disp_row'])) {
+            $html_output .=  '<select name="criteriaValues[' . $column_index . ']"'
+                . ' id="' . $column_id . $column_index .'">';
+            $html_output .= PMA_foreignDropdown(
+                $foreignData['disp_row'], $foreignData['foreign_field'],
+                $foreignData['foreign_display'], '', $foreignMaxLimit
+            );
+            $html_output .= '</select>';
+
+        } elseif ($foreignData['foreign_link'] == true) {
+            $html_output .= '<input type="text" id="' . $column_id . $column_index . '"'
+                . ' name="criteriaValues[' . $column_index . ']" id="field_'
+                . md5($column_name) . '[' . $column_index .']" class="textfield"'
+                . (isset($criteriaValues[$column_index])
+                    && is_string($criteriaValues[$column_index])
+                    ? (' value="' . $criteriaValues[$column_index] . '"')
+                    : '')
+                . ' />';
+
+            $html_output .=  <<<EOT
+<a target="_blank" onclick="window.open(this.href, 'foreigners', 'width=640,height=240,scrollbars=yes'); return false" href="browse_foreigners.php?
+EOT;
+            $html_output .= '' . PMA_generate_common_url($this->_db, $this->_table)
+                . '&amp;field=' . urlencode($column_name) . '&amp;fieldkey='
+                . $column_index . '&amp;fromsearch=1"';
+            if ($in_zoom_search_edit) {
+                $html_output .= ' class="browse_foreign"';
+            }
+            $html_output .= '>' . str_replace("'", "\'", $titles['Browse']) . '</a>';
+        }
+        return $html_output;
+    }
+
+    /**
+     * Provides html elements for search criteria inputbox
+     * in case the column is of ENUM or SET type
+     *
+     * @param int    $column_index        Column index
+     * @param array  $criteriaValues      Array of search criteria inputs
+     * @param string $column_type         Column type
+     * @param string $column_id           Column's inputbox's id
+     * @param bool   $in_zoom_search_edit Whether we are in zoom search edit
+     *
+     * @return HTML elements.
+     */
+    private function _getEnumSetInputBox($column_index, $criteriaValues,
+        $column_type, $column_id, $in_zoom_search_edit = false
+    ) {
+        $html_output = '';
+        $value = explode(
+            ', ',
+            str_replace("'", '', substr($column_type, 5, -1))
+        );
+        $cnt_value = count($value);
+
+        /*
+         * Enum in edit mode   --> dropdown
+         * Enum in search mode --> multiselect
+         * Set in edit mode    --> multiselect
+         * Set in search mode  --> input (skipped here, so the 'else'
+         *                                 section would handle it)
+         */
+        if ((strncasecmp($column_type, 'enum', 4) && ! $in_zoom_search_edit)
+            || (strncasecmp($column_type, 'set', 3) && $in_zoom_search_edit)
+        ) {
+            $html_output .= '<select name="criteriaValues[' . ($column_index)
+                . ']" id="' . $column_id . $column_index .'">';
+        } else {
+            $html_output .= '<select name="criteriaValues[' . $column_index . ']"'
+                . ' id="' . $column_id . $column_index . '" multiple="multiple"'
+                . ' size="' . min(3, $cnt_value) . '">';
+        }
+
+        //Add select options
+        for ($j = 0; $j < $cnt_value; $j++) {
+            if (isset($criteriaValues[$column_index])
+                && is_array($criteriaValues[$column_index])
+                && in_array($value[$j], $criteriaValues[$column_index])
+            ) {
+                $html_output .= '<option value="' . $value[$j] . '" Selected>'
+                    . $value[$j] . '</option>';
+            } else {
+                $html_output .= '<option value="' . $value[$j] . '">'
+                    . $value[$j] . '</option>';
+            }
+        } // end for
+        $html_output .= '</select>';
+        return $html_output;
+    }
+
+    /**
+     * Creates the HTML content for:
+     * 1) Browsing foreign data for a column.
+     * 2) Creating elements for search criteria input on columns.
+     *
+     * @param array  $foreignData         Foreign keys data
+     * @param string $column_name         Column name
+     * @param string $column_type         Column type
+     * @param int    $column_index        Column index
+     * @param array  $titles              Selected title
+     * @param int    $foreignMaxLimit     Max limit of displaying foreign elements
+     * @param array  $criteriaValues      Array of search criteria inputs
+     * @param bool   $in_fbs              Whether we are in 'function based search'
+     * @param bool   $in_zoom_search_edit Whether we are in zoom search edit
+     *
+     * @return string HTML content for viewing foreign data and elements
+     * for search criteria input.
+     */
+    private function _getInputbox($foreignData, $column_name, $column_type,
+        $column_index, $titles, $foreignMaxLimit, $criteriaValues, $in_fbs = false,
+        $in_zoom_search_edit = false
+    ) {
+        $str = '';
+        $column_type = (string)$column_type;
+        $column_id = ($in_zoom_search_edit) ? 'edit_fieldID_' : 'fieldID_';
+
+        // Get inputbox based on different column types
+        // (Foreign key, geometrical, enum)
+        if ($this->_foreigners && isset($this->_foreigners[$column_name])) {
+            $str .= $this->_getForeignKeyInputBox(
+                $foreignData, $column_name, $column_index, $titles,
+                $foreignMaxLimit, $criteriaValues, $column_id
+            );
+
+        } elseif (in_array($column_type, PMA_Util::getGISDatatypes())) {
+            $str .= $this->_getGeometricalInputBox($column_index, $in_fbs);
+
+        } elseif (strncasecmp($column_type, 'enum', 4) == 0
+            || (strncasecmp($column_type, 'set', 3) == 0 && $in_zoom_search_edit)
+        ) {
+            $str .= $this->_getEnumSetInputBox(
+                $column_index, $criteriaValues, $column_type, $column_id,
+                $in_zoom_search_edit = false
+            );
+
+        } else {
+            // other cases
+            $the_class = 'textfield';
+
+            if ($column_type == 'date') {
+                $the_class .= ' datefield';
+            } elseif ($column_type == 'datetime'
+                || substr($column_type, 0, 9) == 'timestamp'
+            ) {
+                $the_class .= ' datetimefield';
+            } elseif (substr($column_type, 0, 3) == 'bit') {
+                $the_class .= ' bit';
+            }
+
+            $str .= '<input type="text" name="criteriaValues[' . $column_index . ']"'
+                .' size="40" class="' . $the_class . '" id="'
+                . $column_id . $column_index . '"'
+                . (isset($criteriaValues[$column_index])
+                    && is_string($criteriaValues[$column_index])
+                    ? (' value="' . $criteriaValues[$column_index] . '"')
+                    : '')
+                . ' />';
+        }
+        return $str;
+    }
+
+    /**
+     * Return the where clause in case column's type is ENUM.
+     *
+     * @param mixed  $criteriaValues Search criteria input
+     * @param string $func_type      Search function/operator
+     *
+     * @return string part of where clause.
+     */
+    private function _getEnumWhereClause($criteriaValues, $func_type)
+    {
+        if (! is_array($criteriaValues)) {
+            $criteriaValues = explode(',', $criteriaValues);
+        }
+        $enum_selected_count = count($criteriaValues);
+        if ($func_type == '=' && $enum_selected_count > 1) {
+            $func_type    = 'IN';
+            $parens_open  = '(';
+            $parens_close = ')';
+
+        } elseif ($func_type == '!=' && $enum_selected_count > 1) {
+            $func_type    = 'NOT IN';
+            $parens_open  = '(';
+            $parens_close = ')';
+
+        } else {
+            $parens_open  = '';
+            $parens_close = '';
+        }
+        $enum_where = '\''
+            . PMA_Util::sqlAddSlashes($criteriaValues[0]) . '\'';
+        for ($e = 1; $e < $enum_selected_count; $e++) {
+            $enum_where .= ', \''
+                . PMA_Util::sqlAddSlashes($criteriaValues[$e]) . '\'';
+        }
+
+        return ' ' . $func_type . ' ' . $parens_open
+            . $enum_where . $parens_close;
+    }
+
+    /**
+     * Return the where clause for a geometrical column.
+     *
+     * @param mixed  $criteriaValues Search criteria input
+     * @param string $names          Name of the column on which search is submitted
+     * @param string $func_type      Search function/operator
+     * @param string $types          Type of the field
+     * @param bool   $geom_func      Whether geometry functions should be applied
+     *
+     * @return string part of where clause.
+     */
+    private function _getGeomWhereClause($criteriaValues, $names,
+        $func_type, $types, $geom_func = null
+    ) {
+        $geom_unary_functions = array(
+            'IsEmpty' => 1,
+            'IsSimple' => 1,
+            'IsRing' => 1,
+            'IsClosed' => 1,
+        );
+        $where = '';
+
+        // Get details about the geometry functions
+        $geom_funcs = PMA_Util::getGISFunctions($types, true, false);
+        // New output type is the output type of the function being applied
+        $types = $geom_funcs[$geom_func]['type'];
+
+        // If the function takes a single parameter
+        if ($geom_funcs[$geom_func]['params'] == 1) {
+            $backquoted_name = $geom_func . '(' . PMA_Util::backquote($names) . ')';
+        } else {
+            // If the function takes two parameters
+            // create gis data from the criteria input
+            $gis_data = PMA_Util::createGISData($criteriaValues);
+            $where = $geom_func . '(' . PMA_Util::backquote($names) . ',' . $gis_data . ')';
+            return $where;
+        }
+
+        // If the where clause is something like 'IsEmpty(`spatial_col_name`)'
+        if (isset($geom_unary_functions[$geom_func])
+            && trim($criteriaValues) == ''
+        ) {
+            $where = $backquoted_name;
+
+        } elseif (in_array($types, PMA_Util::getGISDatatypes())
+            && ! empty($criteriaValues)
+        ) {
+            // create gis data from the criteria input
+            $gis_data = PMA_Util::createGISData($criteriaValues);
+            $where = $backquoted_name . ' ' . $func_type . ' ' . $gis_data;
+        }
+        return $where;
+    }
+
+    /**
+     * Return the where clause for query generation based on the inputs provided.
+     *
+     * @param mixed  $criteriaValues Search criteria input
+     * @param string $names          Name of the column on which search is submitted
+     * @param string $types          Type of the field
+     * @param string $collations     Field collation
+     * @param string $func_type      Search function/operator
+     * @param bool   $unaryFlag      Whether operator unary or not
+     * @param bool   $geom_func      Whether geometry functions should be applied
+     *
+     * @return string generated where clause.
+     */
+    private function _getWhereClause($criteriaValues, $names, $types, $collations,
+        $func_type, $unaryFlag, $geom_func = null
+    ) {
+        // If geometry function is set
+        if ($geom_func != null && trim($geom_func) != '') {
+            return $this->_getGeomWhereClause(
+                $criteriaValues, $names, $func_type, $types, $geom_func
+            );
+        }
+
+        $backquoted_name = PMA_Util::backquote($names);
+        $where = '';
+        if ($unaryFlag) {
+            $criteriaValues = '';
+            $where = $backquoted_name . ' ' . $func_type;
+
+        } elseif (strncasecmp($types, 'enum', 4) == 0 && ! empty($criteriaValues)) {
+            $where = $backquoted_name;
+            $where .= $this->_getEnumWhereClause($criteriaValues, $func_type);
+
+        } elseif ($criteriaValues != '') {
+            // For these types we quote the value. Even if it's another type
+            // (like INT), for a LIKE we always quote the value. MySQL converts
+            // strings to numbers and numbers to strings as necessary
+            // during the comparison
+            if (preg_match('@char|binary|blob|text|set|date|time|year@i', $types)
+                || strpos(' ' . $func_type, 'LIKE')
+            ) {
+                $quot = '\'';
+            } else {
+                $quot = '';
+            }
+
+            // LIKE %...%
+            if ($func_type == 'LIKE %...%') {
+                $func_type = 'LIKE';
+                $criteriaValues = '%' . $criteriaValues . '%';
+            }
+            if ($func_type == 'REGEXP ^...$') {
+                $func_type = 'REGEXP';
+                $criteriaValues = '^' . $criteriaValues . '$';
+            }
+
+            if ($func_type == 'IN (...)'
+                || $func_type == 'NOT IN (...)'
+                || $func_type == 'BETWEEN'
+                || $func_type == 'NOT BETWEEN'
+            ) {
+                $func_type = str_replace(' (...)', '', $func_type);
+
+                // quote values one by one
+                $values = explode(',', $criteriaValues);
+                foreach ($values as &$value) {
+                    $value = $quot . PMA_Util::sqlAddSlashes(trim($value))
+                        . $quot;
+                }
+
+                if ($func_type == 'BETWEEN' || $func_type == 'NOT BETWEEN') {
+                    $where = $backquoted_name . ' ' . $func_type . ' '
+                        . (isset($values[0]) ? $values[0] : '')
+                        . ' AND ' . (isset($values[1]) ? $values[1] : '');
+                } else {
+                    $where = $backquoted_name . ' ' . $func_type
+                        . ' (' . implode(',', $values) . ')';
+                }
+            } else {
+                if ($func_type == 'LIKE %...%' || $func_type == 'LIKE') {
+                    $where = $backquoted_name . ' ' . $func_type . ' ' . $quot
+                        . PMA_Util::sqlAddSlashes($criteriaValues, true) . $quot;
+                } else {
+                    $where = $backquoted_name . ' ' . $func_type . ' ' . $quot
+                        . PMA_Util::sqlAddSlashes($criteriaValues) . $quot;
+                }
+            }
+        } // end if
+
+        return $where;
+    }
+
+    /**
+     * Builds the sql search query from the post parameters
+     *
+     * @return string the generated SQL query
+     */
+    public function buildSqlQuery()
+    {
+        $sql_query = 'SELECT ';
+
+        // If only distinct values are needed
+        $is_distinct = (isset($_POST['distinct'])) ? 'true' : 'false';
+        if ($is_distinct == 'true') {
+            $sql_query .= 'DISTINCT ';
+        }
+
+        // if all column names were selected to display, we do a 'SELECT *'
+        // (more efficient and this helps prevent a problem in IE
+        // if one of the rows is edited and we come back to the Select results)
+        if (isset($_POST['zoom_submit']) || ! empty($_POST['displayAllColumns'])) {
+            $sql_query .= '* ';
+        } else {
+            $sql_query .= implode(
+                ', ',
+                PMA_Util::backquote($_POST['columnsToDisplay'])
+            );
+        } // end if
+
+        $sql_query .= ' FROM '
+            . PMA_Util::backquote($_POST['table']);
+        $whereClause = $this->_generateWhereClause();
+        $sql_query .= $whereClause;
+
+        // if the search results are to be ordered
+        if (isset($_POST['orderByColumn']) && $_POST['orderByColumn'] != '--nil--') {
+            $sql_query .= ' ORDER BY '
+                . PMA_Util::backquote($_POST['orderByColumn'])
+                . ' ' . $_POST['order'];
+        } // end if
+        return $sql_query;
+    }
+
+    /**
+     * Generates the where clause for the SQL search query to be executed
+     *
+     * @return string the generated where clause
+     */
+    private function _generateWhereClause()
+    {
+        if (isset($_POST['customWhereClause'])
+            && trim($_POST['customWhereClause']) != ''
+        ) {
+            return ' WHERE ' . $_POST['customWhereClause'];
+        }
+
+        // If there are no search criteria set or no unary criteria operators, return
+        if (! isset($_POST['criteriaValues'])
+            && ! isset($_POST['criteriaColumnOperators'])
+        ) {
+            return '';
+        }
+
+        // else continue to form the where clause from column criteria values
+        $fullWhereClause = $charsets = array();
+        reset($_POST['criteriaColumnOperators']);
+        while (list($column_index, $operator) = each($_POST['criteriaColumnOperators'])) {
+            list($charsets[$column_index]) = explode(
+                '_', $_POST['criteriaColumnCollations'][$column_index]
+            );
+            $unaryFlag =  $GLOBALS['PMA_Types']->isUnaryOperator($operator);
+            $tmp_geom_func = isset($geom_func[$column_index])
+                ? $geom_func[$column_index] : null;
+
+            $whereClause = $this->_getWhereClause(
+                $_POST['criteriaValues'][$column_index],
+                $_POST['criteriaColumnNames'][$column_index],
+                $_POST['criteriaColumnTypes'][$column_index],
+                $_POST['criteriaColumnCollations'][$column_index],
+                $operator,
+                $unaryFlag,
+                $tmp_geom_func
+            );
+
+            if ($whereClause) {
+                $fullWhereClause[] = $whereClause;
+            }
+        } // end while
+
+        if ($fullWhereClause) {
+            return ' WHERE ' . implode(' AND ', $fullWhereClause);
+        }
+        return '';
+    }
+
+    /**
+     * Generates HTML for a geometrical function column to be displayed in table
+     * search selection form
+     *
+     * @param integer $column_index index of current column in $columnTypes array
+     *
+     * @return string the generated HTML
+     */
+    private function _getGeomFuncHtml($column_index)
+    {
+        $html_output = '';
+        // return if geometrical column is not present
+        if (! $this->_geomColumnFlag) {
+            return $html_output;
+        }
+
+        /**
+         * Displays 'Function' column if it is present
+         */
+        $html_output .= '<td>';
+        $geom_types = PMA_Util::getGISDatatypes();
+        // if a geometry column is present
+        if (in_array($this->_columnTypes[$column_index], $geom_types)) {
+            $html_output .= '<select class="geom_func" name="geom_func['
+                . $column_index . ']">';
+            // get the relevant list of GIS functions
+            $funcs = PMA_Util::getGISFunctions($this->_columnTypes[$column_index], true, true);
+            /**
+             * For each function in the list of functions,
+             * add an option to select list
+             */
+            foreach ($funcs as $func_name => $func) {
+                $name = isset($func['display']) ? $func['display'] : $func_name;
+                $html_output .= '<option value="' . htmlspecialchars($name) . '">'
+                        . htmlspecialchars($name) . '</option>';
+            }
+            $html_output .= '</select>';
+        } else {
+            $html_output .= '&nbsp;';
+        }
+        $html_output .= '</td>';
+        return $html_output;
+    }
+
+    /**
+     * Generates formatted HTML for extra search options in table search form
+     *
+     * @return string the generated HTML
+     */
+    private function _getOptions()
+    {
+        $html_output = '';
+        $html_output .= PMA_Util::getDivForSliderEffect(
+            'searchoptions', __('Options')
+        );
+
+        /**
+         * Displays columns select list for selecting distinct columns in the search
+         */
+        $html_output .= '<fieldset id="fieldset_select_fields">'
+            . '<legend>' . __('Select columns (at least one):') . '</legend>'
+            . '<select name="columnsToDisplay[]"'
+            . ' size="' . min(count($this->_columnNames), 10) . '"'
+            . ' multiple="multiple">';
+        // Displays the list of the fields
+        foreach ($this->_columnNames as $each_field) {
+            $html_output .= '        '
+                . '<option value="' . htmlspecialchars($each_field) . '"'
+                . ' selected="selected">' . htmlspecialchars($each_field)
+                . '</option>' . "\n";
+        } // end for
+        $html_output .= '</select>'
+            . '<input type="checkbox" name="distinct" value="DISTINCT" id="oDistinct" />'
+            . '<label for="oDistinct">DISTINCT</label></fieldset>';
+
+        /**
+         * Displays input box for custom 'Where' clause to be used in the search
+         */
+        $html_output .= '<fieldset id="fieldset_search_conditions">'
+            . '<legend>' . '<em>' . __('Or') . '</em> '
+            . __('Add search conditions (body of the "where" clause):') . '</legend>';
+        $html_output .= PMA_Util::showMySQLDocu(
+            'SQL-Syntax', 'Functions'
+        );
+        $html_output .= '<input type="text" name="customWhereClause"'
+            . ' class="textfield" size="64" />';
+        $html_output .= '</fieldset>';
+
+        /**
+         * Displays option of changing default number of rows displayed per page
+         */
+        $html_output .= '<fieldset id="fieldset_limit_rows">'
+            . '<legend>' . __('Number of rows per page') . '</legend>'
+            . '<input type="text" size="4" name="session_max_rows" '
+            . 'value="' . $GLOBALS['cfg']['MaxRows'] . '" class="textfield" />'
+            . '</fieldset>';
+
+        /**
+         * Displays option for ordering search results
+         * by a column value (Asc or Desc)
+         */
+        $html_output .= '<fieldset id="fieldset_display_order">'
+            . '<legend>' . __('Display order:') . '</legend>'
+            . '<select name="orderByColumn"><option value="--nil--"></option>';
+        foreach ($this->_columnNames as $each_field) {
+            $html_output .= '        '
+                . '<option value="' . htmlspecialchars($each_field) . '">'
+                . htmlspecialchars($each_field) . '</option>' . "\n";
+        } // end for
+        $html_output .= '</select>';
+        $choices = array(
+            'ASC' => __('Ascending'),
+            'DESC' => __('Descending')
+        );
+        $html_output .= PMA_Util::getRadioFields(
+            'order', $choices, 'ASC', false, true, "formelement"
+        );
+        unset($choices);
+
+        $html_output .= '</fieldset><br style="clear: both;"/></div>';
+        return $html_output;
+    }
+
+    /**
+     * Other search criteria like data label
+     * (for tbl_zoom_select.php)
+     *
+     * @param array $dataLabel Label for points in zoom plot
+     *
+     * @return string the generated html
+     */
+    private function _getOptionsZoom($dataLabel)
+    {
+        $html_output = '';
+        $html_output .= '<table class="data">';
+        //Select options for datalabel
+        $html_output .= '<tr>';
+        $html_output .= '<td><label for="dataLabel">'
+            . __("Use this column to label each point") . '</label></td>';
+        $html_output .= '<td><select name="dataLabel" id="dataLabel" >'
+            . '<option value = "">' . __('None') . '</option>';
+        for ($j = 0; $j < count($this->_columnNames); $j++) {
+            if (isset($dataLabel)
+                && $dataLabel == htmlspecialchars($this->_columnNames[$j])
+            ) {
+                $html_output .= '<option value="'
+                    . htmlspecialchars($this->_columnNames[$j]) . '" selected="selected">'
+                    . htmlspecialchars($this->_columnNames[$j]) . '</option>';
+            } else {
+                $html_output .= '<option value="'
+                    . htmlspecialchars($this->_columnNames[$j]) . '" >'
+                    . htmlspecialchars($this->_columnNames[$j]) . '</option>';
+            }
+        }
+        $html_output .= '</select></td>';
+        $html_output .= '</tr>';
+        //Inputbox for changing default maximum rows to plot
+        $html_output .= '<tr>';
+        $html_output .= '<td><label for="maxRowPlotLimit">'
+            . __("Maximum rows to plot") . '</label></td>';
+        $html_output .= '<td>';
+        $html_output .= '<input type="text" name="maxPlotLimit"'
+            . ' id="maxRowPlotLimit"'
+            . ' value="' . ((! empty($_POST['maxPlotLimit']))
+                ? htmlspecialchars($_POST['maxPlotLimit'])
+                : $GLOBALS['cfg']['maxRowPlotLimit'])
+            . '" />';
+        $html_output .= '</td></tr>';
+        $html_output .= '</table>';
+        return $html_output;
+    }
+
+    /**
+     * Provides a column's type, collation, operators list, and crietria value
+     * to display in table search form
+     *
+     * @param integer $search_index Row number in table search form
+     * @param integer $column_index Column index in ColumnNames array
+     *
+     * @return array Array contaning column's properties
+     */
+    public function getColumnProperties($search_index, $column_index)
+    {
+        $selected_operator = (isset($_POST['criteriaColumnOperators'])
+            ? $_POST['criteriaColumnOperators'][$search_index] : '');
+        $entered_value = (isset($_POST['criteriaValues'])
+            ? $_POST['criteriaValues'] : '');
+        $titles['Browse'] = PMA_Util::getIcon('b_browse.png', __('Browse foreign values'));
+        //Gets column's type and collation
+        $type = $this->_columnTypes[$column_index];
+        $collation = $this->_columnCollations[$column_index];
+        //Gets column's comparison operators depending on column type
+        $func = '<select name="criteriaColumnOperators[' . $search_index . ']">';
+        $func .= $GLOBALS['PMA_Types']->getTypeOperatorsHtml(
+            preg_replace('@\(.*@s', '', $this->_columnTypes[$column_index]),
+            $this->_columnNullFlags[$column_index], $selected_operator
+        );
+        $func .= '</select>';
+        //Gets link to browse foreign data(if any) and criteria inputbox
+        $foreignData = PMA_getForeignData(
+            $this->_foreigners, $this->_columnNames[$column_index], false, '', ''
+        );
+        $value =  $this->_getInputbox(
+            $foreignData, $this->_columnNames[$column_index], $type, $search_index,
+            $titles, $GLOBALS['cfg']['ForeignKeyMaxLimit'], $entered_value
+        );
+        return array(
+            'type' => $type,
+            'collation' => $collation,
+            'func' => $func,
+            'value' => $value
+        );
+    }
+
+    /**
+     * Provides the search form's table row in case of Normal Search
+     * (for tbl_select.php)
+     *
+     * @return string the generated table row
+     */
+    private function _getRowsNormal()
+    {
+        $odd_row = true;
+        $html_output = '';
+        // for every column present in table
+        for ($column_index = 0; $column_index < count($this->_columnNames); $column_index++) {
+            $html_output .= '<tr class="noclick ' . ($odd_row ? 'odd' : 'even') . '">';
+            $odd_row = !$odd_row;
+            //If 'Function' column is present
+            $html_output .= $this->_getGeomFuncHtml($column_index);
+            //Displays column's name, type, collation and value
+            $html_output .= '<th>'
+                . htmlspecialchars($this->_columnNames[$column_index]) . '</th>';
+            $properties = $this->getColumnProperties($column_index, $column_index);
+            $html_output .= '<td>' . $properties['type'] . '</td>';
+            $html_output .= '<td>' . $properties['collation'] . '</td>';
+            $html_output .= '<td>' . $properties['func'] . '</td>';
+            $html_output .= '<td>' . $properties['value'] . '</td>';
+            $html_output .= '</tr>';
+            //Displays hidden fields
+            $html_output .= '<tr><td>';
+            $html_output .= '<input type="hidden"'
+                . ' name="criteriaColumnNames[' . $column_index . ']"'
+                . ' value="' . htmlspecialchars($this->_columnNames[$column_index])
+                . '" />';
+            $html_output .= '<input type="hidden"'
+                . ' name="criteriaColumnTypes[' . $column_index . ']"'
+                . ' value="' . $this->_columnTypes[$column_index] . '" />';
+            $html_output .= '<input type="hidden"'
+                . ' name="criteriaColumnCollations[' . $column_index . ']"'
+                . ' value="' . $this->_columnCollations[$column_index] . '" />';
+            $html_output .= '</td></tr>';
+        } // end for
+
+        return $html_output;
+    }
+
+    /**
+     * Provides the search form's table row in case of Zoom Search
+     * (for tbl_zoom_select.php)
+     *
+     * @return string the generated table row
+     */
+    private function _getRowsZoom()
+    {
+        $odd_row = true;
+        $html_output = '';
+        /**
+         * Get already set search criteria (if any)
+         */
+
+        //Displays column rows for search criteria input
+        for ($i = 0; $i < 4; $i++) {
+            //After X-Axis and Y-Axis column rows, display additional criteria option
+            if ($i == 2) {
+                $html_output .= '<tr><td>';
+                $html_output .= __("Additional search criteria");
+                $html_output .= '</td></tr>';
+            }
+            $html_output .= '<tr class="noclick ' . ($odd_row ? 'odd' : 'even') . '">';
+            $odd_row = ! $odd_row;
+            //Select options for column names
+            $html_output .= '<th><select name="criteriaColumnNames[]" id="'
+                . 'tableid_' . $i . '" >';
+            $html_output .= '<option value="' . 'pma_null' . '">' . __('None')
+                . '</option>';
+            for ($j = 0 ; $j < count($this->_columnNames); $j++) {
+                if (isset($_POST['criteriaColumnNames'][$i])
+                    && $_POST['criteriaColumnNames'][$i] == htmlspecialchars($this->_columnNames[$j])
+                ) {
+                    $html_output .= '<option value="'
+                        . htmlspecialchars($this->_columnNames[$j]) . '" selected="selected">'
+                        . htmlspecialchars($this->_columnNames[$j]) . '</option>';
+                } else {
+                    $html_output .= '<option value="'
+                        . htmlspecialchars($this->_columnNames[$j]) . '">'
+                        . htmlspecialchars($this->_columnNames[$j]) . '</option>';
+                }
+            }
+            $html_output .= '</select></th>';
+            if (isset($_POST['criteriaColumnNames'])
+                && $_POST['criteriaColumnNames'][$i] != 'pma_null'
+            ) {
+                $key = array_search(
+                    $_POST['criteriaColumnNames'][$i],
+                    $this->_columnNames
+                );
+                $properties = $this->getColumnProperties($i, $key);
+                $type[$i] = $properties['type'];
+                $collation[$i] = $properties['collation'];
+                $func[$i] = $properties['func'];
+                $value[$i] = $properties['value'];
+            }
+            //Column type
+            $html_output .= '<td>' . (isset($type[$i]) ? $type[$i] : '') . '</td>';
+            //Column Collation
+            $html_output .= '<td>' . (isset($collation[$i]) ? $collation[$i] : '')
+                . '</td>';
+            //Select options for column operators
+            $html_output .= '<td>' . (isset($func[$i]) ? $func[$i] : '') . '</td>';
+            //Inputbox for search criteria value
+            $html_output .= '<td>' . (isset($value[$i]) ? $value[$i] : '') . '</td>';
+            $html_output .= '</tr>';
+            //Displays hidden fields
+            $html_output .= '<tr><td>';
+            $html_output .= '<input type="hidden" name="criteriaColumnTypes[' . $i . ']"'
+                . ' id="types_' . $i . '" ';
+            if (isset($_POST['criteriaColumnTypes'][$i])) {
+                $html_output .= 'value="' . $_POST['criteriaColumnTypes'][$i] . '" ';
+            }
+            $html_output .= '/>';
+            $html_output .= '<input type="hidden" name="criteriaColumnCollations['
+                . $i . ']" id="collations_' . $i . '" />';
+            $html_output .= '</td></tr>';
+        }//end for
+        return $html_output;
+    }
+
+    /**
+     * Generates HTML for displaying fields table in search form
+     *
+     * @return string the generated HTML
+     */
+    private function _getFieldsTableHtml()
+    {
+        $html_output = '';
+        $html_output .= '<table class="data"'
+            . ($this->_searchType == 'zoom' ? ' id="tableFieldsId"' : '') . '>';
+        $html_output .= $this->_getTableHeader();
+        $html_output .= '<tbody>';
+
+        if ($this->_searchType == 'zoom') {
+            $html_output .= $this->_getRowsZoom();
+        } else {
+            $html_output .= $this->_getRowsNormal();
+        }
+
+        $html_output .= '</tbody></table>';
+        return $html_output;
+    }
+
+    /**
+     * Provides the form tag for table search form
+     * (normal search or zoom search)
+     *
+     * @param string $goto Goto URL
+     *
+     * @return string the HTML for form tag
+     */
+    private function _getFormTag($goto)
+    {
+        $html_output = '';
+        $scriptName = ($this->_searchType == 'zoom' ? 'tbl_zoom_select.php' : 'tbl_select.php');
+        $formId = ($this->_searchType == 'zoom' ? 'zoom_search_form' : 'tbl_search_form');
+
+        $html_output .= '<form method="post" action="' . $scriptName . '" '
+            . 'name="insertForm" id="' . $formId . '" '
+            . 'class="ajax"' . '>';
+
+        $html_output .= PMA_generate_common_hidden_inputs($this->_db, $this->_table);
+        $html_output .= '<input type="hidden" name="goto" value="' . $goto . '" />';
+        $html_output .= '<input type="hidden" name="back" value="' . $scriptName
+            . '" />';
+
+        return $html_output;
+    }
+
+    /**
+     * Generates the table search form under table search tab
+     *
+     * @param string $goto      Goto URL
+     * @param string $dataLabel Label for points in zoom plot
+     *
+     * @return string the generated HTML for table search form
+     */
+    public function getSelectionForm($goto, $dataLabel = null)
+    {
+        $url_params = array();
+        $url_params['db'] = $this->_db;
+        $url_params['table'] = $this->_table;
+
+        $html_output = '<ul id="topmenu2">';
+        foreach ($this->_getSubTabs() as $tab) {
+            $html_output .= PMA_Util::getHtmlTab($tab, $url_params);
+        }
+        $html_output .= '</ul>';
+        $html_output .= '<div class="clearfloat"></div>';
+
+        $html_output .= $this->_getFormTag($goto);
+
+        if ($this->_searchType == 'zoom') {
+            $html_output .= '<fieldset id="fieldset_zoom_search">';
+            $html_output .= '<fieldset id="inputSection">';
+            $html_output .= '<legend>'
+                . __('Do a "query by example" (wildcard: "%") for two different columns')
+                . '</legend>';
+            $html_output .= $this->_getFieldsTableHtml();
+            $html_output .= $this->_getOptionsZoom($dataLabel);
+            $html_output .= '</fieldset>';
+            $html_output .= '</fieldset>';
+        } else {
+            $html_output .= '<fieldset id="fieldset_table_search">';
+            $html_output .= '<fieldset id="fieldset_table_qbe">';
+            $html_output .= '<legend>'
+                . __('Do a "query by example" (wildcard: "%")')
+                . '</legend>';
+            $html_output .= $this->_getFieldsTableHtml();
+            $html_output .= '<div id="gis_editor"></div>';
+            $html_output .= '<div id="popup_background"></div>';
+            $html_output .= '</fieldset>';
+            $html_output .= $this->_getOptions();
+            $html_output .= '</fieldset>';
+        }
+
+        /**
+         * Displays selection form's footer elements
+         */
+        $html_output .= '<fieldset class="tblFooters">';
+        $html_output .= '<input type="submit" name="'
+            . ($this->_searchType == 'zoom' ? 'zoom_submit' : 'submit')
+            . ($this->_searchType == 'zoom' ? '" id="inputFormSubmitId"' : '" ')
+            . 'value="' . __('Go') . '" />';
+        $html_output .= '</fieldset></form>';
+        $html_output .= '<div id="sqlqueryresults"></div>';
+        return $html_output;
+    }
+
+    /**
+     * Provides form for displaying point data and also the scatter plot
+     * (for tbl_zoom_select.php)
+     *
+     * @param string $goto Goto URL
+     * @param array  $data Array containing SQL query data
+     *
+     * @return string form's html
+     */
+    public function getZoomResultsForm($goto, $data)
+    {
+        $html_output = '';
+        $titles['Browse'] = PMA_Util::getIcon('b_browse.png', __('Browse foreign values'));
+        $html_output .= '<form method="post" action="tbl_zoom_select.php"'
+            . ' name="displayResultForm" id="zoom_display_form"'
+            . ' class="ajax"' . '>';
+        $html_output .= PMA_generate_common_hidden_inputs($this->_db, $this->_table);
+        $html_output .= '<input type="hidden" name="goto" value="' . $goto . '" />';
+        $html_output .= '<input type="hidden" name="back" value="tbl_zoom_select.php" />';
+
+        $html_output .= '<fieldset id="displaySection">';
+        $html_output .= '<legend>' . __('Browse/Edit the points') . '</legend>';
+
+        //JSON encode the data(query result)
+        $html_output .= '<center>';
+        if (isset($_POST['zoom_submit']) && ! empty($data)) {
+            $html_output .= '<div id="resizer">';
+            $html_output .= '<center><a href="#" onclick="displayHelp();">'
+                . __('How to use') . '</a></center>';
+            $html_output .= '<div id="querydata" style="display:none">'
+                . json_encode($data) . '</div>';
+            $html_output .= '<div id="querychart"></div>';
+            $html_output .= '<button class="button-reset">'
+                . __('Reset zoom') . '</button>';
+            $html_output .= '</div>';
+        }
+        $html_output .= '</center>';
+
+        //Displays rows in point edit form
+        $html_output .= '<div id="dataDisplay" style="display:none">';
+        $html_output .= '<table><thead>';
+        $html_output .= '<tr>';
+        $html_output .= '<th>' . __('Column') . '</th>'
+            . '<th>' . __('Null') . '</th>'
+            . '<th>' . __('Value') . '</th>';
+        $html_output .= '</tr>';
+        $html_output .= '</thead>';
+
+        $html_output .= '<tbody>';
+        $odd_row = true;
+        for ($column_index = 0; $column_index < count($this->_columnNames); $column_index++) {
+            $fieldpopup = $this->_columnNames[$column_index];
+            $foreignData = PMA_getForeignData($this->_foreigners, $fieldpopup, false, '', '');
+            $html_output .= '<tr class="noclick ' . ($odd_row ? 'odd' : 'even') . '">';
+            $odd_row = ! $odd_row;
+            //Display column Names
+            $html_output .= '<th>' . htmlspecialchars($this->_columnNames[$column_index])
+                . '</th>';
+            //Null checkbox if column can be null
+            $html_output .= '<th>' . (($this->_columnNullFlags[$column_index] == 'YES')
+                ? '<input type="checkbox" class="checkbox_null"'
+                    . ' name="criteriaColumnNullFlags[' . $column_index . ']"'
+                    . ' id="edit_fields_null_id_' . $column_index . '" />'
+                : '');
+            $html_output .= '</th>';
+            //Column's Input box
+            $html_output .= '<th>';
+            $html_output .= $this->_getInputbox(
+                $foreignData, $fieldpopup, $this->_columnTypes[$column_index],
+                $column_index, $titles, $GLOBALS['cfg']['ForeignKeyMaxLimit'],
+                '', false, true
+            );
+            $html_output .= '</th></tr>';
+        }
+        $html_output .= '</tbody></table>';
+        $html_output .= '</div>';
+        $html_output .= '<input type="hidden" id="queryID" name="sql_query" />';
+        $html_output .= '</form>';
+        return $html_output;
+    }
+}
+?>