action = $value;
}
/**
* This function will process the user defined pages
* and tables which will be exported as Relational schema
* you can set the table positions on the paper via scratchboard
* for table positions, put the x,y co-ordinates
*
* $this->action tells what the Schema is supposed to do
* create and select a page, generate schema etc
*
* @access public
* @return void
*/
public function processUserChoice()
{
global $db, $cfgRelation;
if (isset($this->action)) {
switch ($this->action) {
case 'selectpage':
$this->chosenPage = $_REQUEST['chpage'];
if ('1' == $_REQUEST['action_choose']) {
$this->deleteCoordinates(
$db,
$cfgRelation,
$this->chosenPage
);
$this->deletePages(
$db,
$cfgRelation,
$this->chosenPage
);
$this->chosenPage = 0;
}
break;
case 'createpage':
$this->pageNumber = PMA_REL_createPage(
$_POST['newpage'],
$cfgRelation,
$db
);
$this->autoLayoutForeign = isset($_POST['auto_layout_foreign'])
? "1"
: null;
$this->autoLayoutInternal = isset($_POST['auto_layout_internal'])
? "1"
: null;
$this->processRelations(
$db,
$this->pageNumber,
$cfgRelation
);
break;
case 'edcoord':
$this->chosenPage = $_POST['chpage'];
$this->c_table_rows = $_POST['c_table_rows'];
$this->_editCoordinates($db, $cfgRelation);
break;
case 'delete_old_references':
$this->_deleteTableRows(
$_POST['delrow'],
$cfgRelation,
$db,
$_POST['chpage']
);
break;
case 'process_export':
$this->_processExportSchema();
break;
} // end switch
} // end if (isset($do))
}
/**
* shows/displays the HTML FORM to create the page
*
* @param string $db name of the selected database
*
* @return void
* @access public
*/
public function showCreatePageDialog($db)
{
$htmlString = '
';
echo $htmlString;
}
/**
* shows/displays the created page names in a drop down list
* User can select any page number and edit it using dashboard etc
*
* @return void
* @access public
*/
public function selectPage()
{
global $db,$table,$cfgRelation;
$page_query = 'SELECT * FROM '
. PMA_Util::backquote($GLOBALS['cfgRelation']['db']) . '.'
. PMA_Util::backquote($cfgRelation['pdf_pages'])
. ' WHERE db_name = \'' . PMA_Util::sqlAddSlashes($db) . '\'';
$page_rs = PMA_queryAsControlUser(
$page_query, false, PMA_DatabaseInterface::QUERY_STORE
);
if ($page_rs && $GLOBALS['dbi']->numRows($page_rs) > 0) {
?>
query(
'SHOW TABLES FROM ' . PMA_Util::backquote($db) . ';',
null,
PMA_DatabaseInterface::QUERY_STORE
);
while ($val = @$GLOBALS['dbi']->fetchRow($alltab_rs)) {
$selectboxall[] = $val[0];
}
$tabExist = array();
/*
* Now if we already have chosen a page number then we should
* show the tables involved
*/
if (isset($this->chosenPage) && $this->chosenPage > 0) {
echo "\n";
echo "
" . __('Select Tables') . "
";
$page_query = 'SELECT * FROM '
. PMA_Util::backquote($GLOBALS['cfgRelation']['db'])
. '.' . PMA_Util::backquote($cfgRelation['table_coords'])
. ' WHERE db_name = \'' . PMA_Util::sqlAddSlashes($db) . '\''
. ' AND pdf_page_number = \''
. PMA_Util::sqlAddSlashes($this->chosenPage) . '\'';
$page_rs = PMA_queryAsControlUser($page_query, false);
$array_sh_page = array();
while ($temp_sh_page = @$GLOBALS['dbi']->fetchAssoc($page_rs)) {
$array_sh_page[] = $temp_sh_page;
}
/*
* Display WYSIWYG parts
*/
if (! isset($_POST['with_field_names'])
&& ! isset($_POST['showwysiwyg'])
) {
$with_field_names = true;
} elseif (isset($_POST['with_field_names'])) {
$with_field_names = true;
}
$this->_displayScratchboardTables($array_sh_page);
echo '' . "\n\n";
} // end if
if (isset($tabExist)) {
$this->_deleteTables($db, $this->chosenPage, $tabExist);
}
}
/**
* show Export relational schema generation options
* user can select export type of his own choice
* and the attributes related to it
*
* @return void
* @access public
*/
public function displaySchemaGenerationOptions()
{
global $cfg, $db, $test_rs, $chpage;
$htmlString = '';
echo $htmlString;
}
/**
* Check if there are tables that need to be deleted in dashboard,
* if there are, ask the user for allowance
*
* @param string $db name of database selected
* @param integer $chpage selected page
* @param array $tabExist array of booleans
*
* @return void
* @access private
*/
private function _deleteTables($db, $chpage, $tabExist)
{
$_strtrans = '';
$_strname = '';
$shoot = false;
if (empty($tabExist) || ! is_array($tabExist)) {
return;
}
foreach ($tabExist as $key => $value) {
if (! $value) {
$_strtrans .= '' . "\n";
$_strname .= '
' . htmlspecialchars($key) . '
' . "\n";
$shoot = true;
}
}
if (! $shoot) {
return;
}
echo ' ';
}
/**
* Check if there are tables that need to be deleted in dashboard,
* if there are, ask the user for allowance
*
* @param array $array_sh_page array of tables on page
*
* @return void
* @access private
*/
private function _displayScratchboardTables($array_sh_page)
{
global $with_field_names, $db;
echo '';
echo '
'
. ''
. htmlspecialchars($temp_sh_page['table_name'])
. '';
if (isset($with_field_names)) {
$fields = $GLOBALS['dbi']->getColumns(
$db, $temp_sh_page['table_name']
);
// if the table has been dropped from outside phpMyAdmin,
// we can no longer obtain its columns list
if ($fields) {
foreach ($fields as $row) {
echo ' ' . htmlspecialchars($row['Field']) . "\n";
}
}
}
echo '
' . "\n";
$i++;
}
echo '
';
}
/**
* delete the table rows with table co-ordinates
*
* @param int $delrow delete selected table from list of tables
* @param array $cfgRelation relation settings
* @param string $db database name
* @param integer $chpage selected page for adding relations etc
*
* @return void
* @access private
*/
private function _deleteTableRows($delrow,$cfgRelation,$db,$chpage)
{
foreach ($delrow as $current_row) {
$del_query = 'DELETE FROM '
. PMA_Util::backquote($GLOBALS['cfgRelation']['db']) . '.'
. PMA_Util::backquote($cfgRelation['table_coords']) . ' ' . "\n"
. ' WHERE db_name = \''
. PMA_Util::sqlAddSlashes($db) . '\'' . "\n"
. ' AND table_name = \''
. PMA_Util::sqlAddSlashes($current_row) . '\'' . "\n"
. ' AND pdf_page_number = \''
. PMA_Util::sqlAddSlashes($chpage) . '\'';
PMA_queryAsControlUser($del_query, false);
}
}
/**
* get all the export options and verify
* call and include the appropriate Schema Class depending on $export_type
*
* @return void
* @access private
*/
private function _processExportSchema()
{
/**
* Settings for relation stuff
*/
include_once './libraries/transformations.lib.php';
include_once './libraries/Index.class.php';
/**
* default is PDF, otherwise validate it's only letters a-z
*/
global $db,$export_type;
if (! isset($export_type) || ! preg_match('/^[a-zA-Z]+$/', $export_type)) {
$export_type = 'pdf';
}
$GLOBALS['dbi']->selectDb($db);
$path = PMA_securePath(ucfirst($export_type));
$filename = 'libraries/schema/' . $path . '_Relation_Schema.class.php';
if (!file_exists($filename)) {
PMA_Export_Relation_Schema::dieSchema(
$_POST['chpage'],
$export_type,
__('File doesn\'t exist')
);
}
include $filename;
$class_name = 'PMA_' . $path . '_Relation_Schema';
$obj_schema = new $class_name();
$obj_schema->showOutput();
}
/**
* delete X and Y coordinates
*
* @param string $db The database name
* @param array $cfgRelation relation settings
* @param integer $choosePage selected page for adding relations etc
*
* @return void
* @access private
*/
public function deleteCoordinates($db, $cfgRelation, $choosePage)
{
$query = 'DELETE FROM '
. PMA_Util::backquote($GLOBALS['cfgRelation']['db']) . '.'
. PMA_Util::backquote($cfgRelation['table_coords'])
. ' WHERE db_name = \'' . PMA_Util::sqlAddSlashes($db) . '\''
. ' AND pdf_page_number = \''
. PMA_Util::sqlAddSlashes($choosePage) . '\'';
PMA_queryAsControlUser($query, false);
}
/**
* delete pages
*
* @param string $db The database name
* @param array $cfgRelation relation settings
* @param integer $choosePage selected page for adding relations etc
*
* @return void
* @access private
*/
public function deletePages($db, $cfgRelation, $choosePage)
{
$query = 'DELETE FROM '
. PMA_Util::backquote($GLOBALS['cfgRelation']['db']) . '.'
. PMA_Util::backquote($cfgRelation['pdf_pages'])
. ' WHERE db_name = \'' . PMA_Util::sqlAddSlashes($db) . '\''
. ' AND page_nr = \'' . PMA_Util::sqlAddSlashes($choosePage) . '\'';
PMA_queryAsControlUser($query, false);
}
/**
* process internal and foreign key relations
*
* @param string $db The database name
* @param integer $pageNumber document number/Id
* @param array $cfgRelation relation settings
*
* @return void
* @access private
*/
public function processRelations($db, $pageNumber, $cfgRelation)
{
/*
* A u t o m a t i c l a y o u t
*
* There are 2 kinds of relations in PMA
* 1) Internal Relations 2) Foreign Key Relations
*/
if (isset($this->autoLayoutInternal) || isset($this->autoLayoutForeign)) {
$all_tables = array();
}
if (isset($this->autoLayoutForeign)) {
/*
* get the tables list
* who support FOREIGN KEY, it's not
* important that we group together InnoDB tables
* and PBXT tables, as this logic is just to put
* the tables on the layout, not to determine relations
*/
$tables = $GLOBALS['dbi']->getTablesFull($db);
$foreignkey_tables = array();
foreach ($tables as $table_name => $table_properties) {
if (PMA_Util::isForeignKeySupported($table_properties['ENGINE'])) {
$foreignkey_tables[] = $table_name;
}
}
$all_tables = $foreignkey_tables;
/*
* could be improved by finding the tables which have the
* most references keys and placing them at the beginning
* of the array (so that they are all center of schema)
*/
unset($tables, $foreignkey_tables);
}
if (isset($this->autoLayoutInternal)) {
/*
* get the tables list who support Internal Relations;
* This type of relations will be created when
* you setup the PMA tables correctly
*/
$master_tables = 'SELECT COUNT(master_table), master_table'
. ' FROM ' . PMA_Util::backquote($GLOBALS['cfgRelation']['db']) . '.'
. PMA_Util::backquote($cfgRelation['relation'])
. ' WHERE master_db = \'' . PMA_Util::sqlAddSlashes($db) . '\''
. ' GROUP BY master_table'
. ' ORDER BY COUNT(master_table) DESC';
$master_tables_rs = PMA_queryAsControlUser(
$master_tables, false, PMA_DatabaseInterface::QUERY_STORE
);
if ($master_tables_rs
&& $GLOBALS['dbi']->numRows($master_tables_rs) > 0
) {
/* first put all the master tables at beginning
* of the list, so they are near the center of
* the schema
*/
while (list(, $master_table)
= $GLOBALS['dbi']->fetchRow($master_tables_rs)
) {
$all_tables[] = $master_table;
}
/* Now for each master, add its foreigns into an array
* of foreign tables, if not already there
* (a foreign might be foreign for more than
* one table, and might be a master itself)
*/
$foreign_tables = array();
foreach ($all_tables as $master_table) {
$foreigners = PMA_getForeigners($db, $master_table);
foreach ($foreigners as $foreigner) {
if (! in_array(
$foreigner['foreign_table'], $foreign_tables
)) {
$foreign_tables[] = $foreigner['foreign_table'];
}
}
}
/*
* Now merge the master and foreign arrays/tables
*/
foreach ($foreign_tables as $foreign_table) {
if (! in_array($foreign_table, $all_tables)) {
$all_tables[] = $foreign_table;
}
}
}
}
if (isset($this->autoLayoutInternal) || isset($this->autoLayoutForeign)) {
$this->addRelationCoordinates(
$all_tables, $pageNumber, $db, $cfgRelation
);
}
$this->chosenPage = $pageNumber;
}
/**
* Add X and Y coordinates for a table
*
* @param array $all_tables A list of all tables involved
* @param integer $pageNumber document number/Id
* @param string $db The database name
* @param array $cfgRelation relation settings
*
* @return void
* @access private
*/
public function addRelationCoordinates(
$all_tables, $pageNumber, $db, $cfgRelation
) {
/*
* Now generate the coordinates for the schema
* in a clockwise spiral and add to co-ordinates table
*/
$pos_x = 300;
$pos_y = 300;
$delta = 110;
$delta_mult = 1.10;
$direction = "right";
foreach ($all_tables as $current_table) {
/*
* save current table's coordinates
*/
$insert_query = 'INSERT INTO '
. PMA_Util::backquote($GLOBALS['cfgRelation']['db']) . '.'
. PMA_Util::backquote($cfgRelation['table_coords']) . ' '
. '(db_name, table_name, pdf_page_number, x, y) '
. 'VALUES (\'' . PMA_Util::sqlAddSlashes($db) . '\', \''
. PMA_Util::sqlAddSlashes($current_table) . '\',' . $pageNumber
. ',' . $pos_x . ',' . $pos_y . ')';
PMA_queryAsControlUser($insert_query, false);
/*
* compute for the next table
*/
switch ($direction) {
case 'right':
$pos_x += $delta;
$direction = "down";
$delta *= $delta_mult;
break;
case 'down':
$pos_y += $delta;
$direction = "left";
$delta *= $delta_mult;
break;
case 'left':
$pos_x -= $delta;
$direction = "up";
$delta *= $delta_mult;
break;
case 'up':
$pos_y -= $delta;
$direction = "right";
$delta *= $delta_mult;
break;
}
}
}
/**
* update X and Y coordinates for a table
*
* @param string $db The database name
* @param array $cfgRelation relation settings
*
* @return void
* @access private
*/
private function _editCoordinates($db, $cfgRelation)
{
for ($i = 0; $i < $this->c_table_rows; $i++) {
$arrvalue = $_POST['c_table_' . $i];
if (! isset($arrvalue['x']) || $arrvalue['x'] == '') {
$arrvalue['x'] = 0;
}
if (! isset($arrvalue['y']) || $arrvalue['y'] == '') {
$arrvalue['y'] = 0;
}
if (isset($arrvalue['name']) && $arrvalue['name'] != '--') {
$test_query = 'SELECT * FROM '
. PMA_Util::backquote($GLOBALS['cfgRelation']['db']) . '.'
. PMA_Util::backquote($cfgRelation['table_coords'])
. ' WHERE db_name = \'' . PMA_Util::sqlAddSlashes($db) . '\''
. ' AND table_name = \''
. PMA_Util::sqlAddSlashes($arrvalue['name']) . '\''
. ' AND pdf_page_number = \''
. PMA_Util::sqlAddSlashes($this->chosenPage) . '\'';
$test_rs = PMA_queryAsControlUser(
$test_query, false, PMA_DatabaseInterface::QUERY_STORE
);
//echo $test_query;
if ($test_rs && $GLOBALS['dbi']->numRows($test_rs) > 0) {
if (isset($arrvalue['delete']) && $arrvalue['delete'] == 'y') {
$ch_query = 'DELETE FROM '
. PMA_Util::backquote($GLOBALS['cfgRelation']['db'])
. '.'
. PMA_Util::backquote($cfgRelation['table_coords'])
. ' WHERE db_name = \''
. PMA_Util::sqlAddSlashes($db) . '\''
. ' AND table_name = \''
. PMA_Util::sqlAddSlashes($arrvalue['name']) . '\''
. ' AND pdf_page_number = \''
. PMA_Util::sqlAddSlashes($this->chosenPage) . '\'';
} else {
$ch_query = 'UPDATE '
. PMA_Util::backquote($GLOBALS['cfgRelation']['db'])
. '.' . PMA_Util::backquote($cfgRelation['table_coords'])
. ' '
. 'SET x = ' . $arrvalue['x'] . ', y= ' . $arrvalue['y']
. ' WHERE db_name = \''
. PMA_Util::sqlAddSlashes($db) . '\''
. ' AND table_name = \''
. PMA_Util::sqlAddSlashes($arrvalue['name']) . '\''
. ' AND pdf_page_number = \''
. PMA_Util::sqlAddSlashes($this->chosenPage) . '\'';
}
} else {
$ch_query = 'INSERT INTO '
. PMA_Util::backquote($GLOBALS['cfgRelation']['db'])
. '.' . PMA_Util::backquote($cfgRelation['table_coords'])
. ' '
. '(db_name, table_name, pdf_page_number, x, y) '
. 'VALUES (\'' . PMA_Util::sqlAddSlashes($db) . '\', \''
. PMA_Util::sqlAddSlashes($arrvalue['name']) . '\', \''
. PMA_Util::sqlAddSlashes($this->chosenPage) . '\','
. $arrvalue['x'] . ',' . $arrvalue['y'] . ')';
}
//echo $ch_query;
PMA_queryAsControlUser($ch_query, false);
} // end if
} // end for
}
}
?>