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<?php
/* vim: set expandtab sw=4 ts=4 sts=4: */
/**
* Classes to create relation schema in EPS format.
*
* @package PhpMyAdmin
*/
namespace PMA\libraries\plugins\schema\eps;
use PMA\libraries\plugins\schema\dia\RelationStatsDia;
use PMA\libraries\plugins\schema\dia\TableStatsDia;
use PMA\libraries\plugins\schema\ExportRelationSchema;
use PMA\libraries\plugins\schema\pdf\TableStatsPdf;
use PMA\libraries\plugins\schema\svg\TableStatsSvg;
/**
* EPS Relation Schema Class
*
* Purpose of this class is to generate the EPS Document
* which is used for representing the database diagrams.
* This class uses post script commands and with
* the combination of these commands actually helps in preparing EPS Document.
*
* This class inherits ExportRelationSchema class has common functionality added
* to this class
*
* @package PhpMyAdmin
* @name Eps_Relation_Schema
*/
class EpsRelationSchema extends ExportRelationSchema
{
/**
* @var TableStatsDia[]|TableStatsEps[]|TableStatsPdf[]|TableStatsSvg[]
*/
private $_tables = array();
/** @var RelationStatsDia[] Relations */
private $_relations = array();
private $_tablewidth;
/**
* The "PMA_EPS_Relation_Schema" constructor
*
* Upon instantiation This starts writing the EPS document
* user will be prompted for download as .eps extension
*
* @param string $db database name
*
* @see PMA_EPS
*/
public function __construct($db)
{
parent::__construct($db, new Eps());
$this->setShowColor(isset($_REQUEST['eps_show_color']));
$this->setShowKeys(isset($_REQUEST['eps_show_keys']));
$this->setTableDimension(isset($_REQUEST['eps_show_table_dimension']));
$this->setAllTablesSameWidth(isset($_REQUEST['eps_all_tables_same_width']));
$this->setOrientation($_REQUEST['eps_orientation']);
$this->diagram->setTitle(
sprintf(
__('Schema of the %s database - Page %s'),
$this->db,
$this->pageNumber
)
);
$this->diagram->setAuthor('phpMyAdmin ' . PMA_VERSION);
$this->diagram->setDate(date("j F Y, g:i a"));
$this->diagram->setOrientation($this->orientation);
$this->diagram->setFont('Verdana', '10');
$alltables = $this->getTablesFromRequest();
foreach ($alltables as $table) {
if (! isset($this->_tables[$table])) {
$this->_tables[$table] = new TableStatsEps(
$this->diagram, $this->db,
$table, $this->diagram->getFont(),
$this->diagram->getFontSize(), $this->pageNumber,
$this->_tablewidth, $this->showKeys,
$this->tableDimension, $this->offline
);
}
if ($this->sameWide) {
$this->_tables[$table]->width = $this->_tablewidth;
}
}
$seen_a_relation = false;
foreach ($alltables as $one_table) {
$exist_rel = PMA_getForeigners($this->db, $one_table, '', 'both');
if (!$exist_rel) {
continue;
}
$seen_a_relation = true;
foreach ($exist_rel as $master_field => $rel) {
/* put the foreign table on the schema only if selected
* by the user
* (do not use array_search() because we would have to
* to do a === false and this is not PHP3 compatible)
*/
if ($master_field != 'foreign_keys_data') {
if (in_array($rel['foreign_table'], $alltables)) {
$this->_addRelation(
$one_table, $this->diagram->getFont(), $this->diagram->getFontSize(),
$master_field, $rel['foreign_table'],
$rel['foreign_field'], $this->tableDimension
);
}
continue;
}
foreach ($rel as $one_key) {
if (!in_array($one_key['ref_table_name'], $alltables)) {
continue;
}
foreach ($one_key['index_list']
as $index => $one_field
) {
$this->_addRelation(
$one_table, $this->diagram->getFont(),
$this->diagram->getFontSize(),
$one_field, $one_key['ref_table_name'],
$one_key['ref_index_list'][$index],
$this->tableDimension
);
}
}
}
}
if ($seen_a_relation) {
$this->_drawRelations();
}
$this->_drawTables();
$this->diagram->endEpsDoc();
}
/**
* Output Eps Document for download
*
* @return void
*/
public function showOutput()
{
$this->diagram->showOutput($this->getFileName('.eps'));
}
/**
* Defines relation objects
*
* @param string $masterTable The master table name
* @param string $font The font
* @param int $fontSize The font size
* @param string $masterField The relation field in the master table
* @param string $foreignTable The foreign table name
* @param string $foreignField The relation field in the foreign table
* @param boolean $tableDimension Whether to display table position or not
*
* @return void
*
* @see _setMinMax,Table_Stats_Eps::__construct(),
* PMA\libraries\plugins\schema\eps\RelationStatsEps::__construct()
*/
private function _addRelation(
$masterTable, $font, $fontSize, $masterField,
$foreignTable, $foreignField, $tableDimension
) {
if (! isset($this->_tables[$masterTable])) {
$this->_tables[$masterTable] = new TableStatsEps(
$this->diagram, $this->db, $masterTable, $font, $fontSize,
$this->pageNumber, $this->_tablewidth, false, $tableDimension
);
}
if (! isset($this->_tables[$foreignTable])) {
$this->_tables[$foreignTable] = new TableStatsEps(
$this->diagram, $this->db, $foreignTable, $font, $fontSize,
$this->pageNumber, $this->_tablewidth, false, $tableDimension
);
}
$this->_relations[] = new RelationStatsEps(
$this->diagram,
$this->_tables[$masterTable],
$masterField,
$this->_tables[$foreignTable],
$foreignField
);
}
/**
* Draws relation arrows and lines connects master table's master field to
* foreign table's foreign field
*
* @return void
*
* @see Relation_Stats_Eps::relationDraw()
*/
private function _drawRelations()
{
foreach ($this->_relations as $relation) {
$relation->relationDraw();
}
}
/**
* Draws tables
*
* @return void
*
* @see Table_Stats_Eps::Table_Stats_tableDraw()
*/
private function _drawTables()
{
foreach ($this->_tables as $table) {
$table->tableDraw($this->showColor);
}
}
}
|
