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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\Response;
/**
* This Class is EPS Library and
* helps in developing structure of EPS Schema Export
*
* @package PhpMyAdmin
* @access public
* @see https://php.net/manual/en/book.xmlwriter.php
*/
class Eps
{
public $font;
public $fontSize;
public $stringCommands;
/**
* The "Eps" constructor
*
* Upon instantiation This starts writing the EPS Document.
* %!PS-Adobe-3.0 EPSF-3.0 This is the MUST first comment to include
* it shows/tells that the Post Script document is purely under
* Document Structuring Convention [DSC] and is Compliant
* Encapsulated Post Script Document
*/
public function __construct()
{
$this->stringCommands = "";
$this->stringCommands .= "%!PS-Adobe-3.0 EPSF-3.0 \n";
}
/**
* Set document title
*
* @param string $value sets the title text
*
* @return void
*/
public function setTitle($value)
{
$this->stringCommands .= '%%Title: ' . $value . "\n";
}
/**
* Set document author
*
* @param string $value sets the author
*
* @return void
*/
public function setAuthor($value)
{
$this->stringCommands .= '%%Creator: ' . $value . "\n";
}
/**
* Set document creation date
*
* @param string $value sets the date
*
* @return void
*/
public function setDate($value)
{
$this->stringCommands .= '%%CreationDate: ' . $value . "\n";
}
/**
* Set document orientation
*
* @param string $orientation sets the orientation
*
* @return void
*/
public function setOrientation($orientation)
{
$this->stringCommands .= "%%PageOrder: Ascend \n";
if ($orientation == "L") {
$orientation = "Landscape";
$this->stringCommands .= '%%Orientation: ' . $orientation . "\n";
} else {
$orientation = "Portrait";
$this->stringCommands .= '%%Orientation: ' . $orientation . "\n";
}
$this->stringCommands .= "%%EndComments \n";
$this->stringCommands .= "%%Pages 1 \n";
$this->stringCommands .= "%%BoundingBox: 72 150 144 170 \n";
}
/**
* Set the font and size
*
* font can be set whenever needed in EPS
*
* @param string $value sets the font name e.g Arial
* @param integer $size sets the size of the font e.g 10
*
* @return void
*/
public function setFont($value, $size)
{
$this->font = $value;
$this->fontSize = $size;
$this->stringCommands .= "/" . $value . " findfont % Get the basic font\n";
$this->stringCommands .= ""
. $size . " scalefont % Scale the font to $size points\n";
$this->stringCommands
.= "setfont % Make it the current font\n";
}
/**
* Get the font
*
* @return string return the font name e.g Arial
*/
public function getFont()
{
return $this->font;
}
/**
* Get the font Size
*
* @return string return the size of the font e.g 10
*/
public function getFontSize()
{
return $this->fontSize;
}
/**
* Draw the line
*
* drawing the lines from x,y source to x,y destination and set the
* width of the line. lines helps in showing relationships of tables
*
* @param integer $x_from The x_from attribute defines the start
* left position of the element
* @param integer $y_from The y_from attribute defines the start
* right position of the element
* @param integer $x_to The x_to attribute defines the end
* left position of the element
* @param integer $y_to The y_to attribute defines the end
* right position of the element
* @param integer $lineWidth Sets the width of the line e.g 2
*
* @return void
*/
public function line(
$x_from = 0,
$y_from = 0,
$x_to = 0,
$y_to = 0,
$lineWidth = 0
) {
$this->stringCommands .= $lineWidth . " setlinewidth \n";
$this->stringCommands .= $x_from . ' ' . $y_from . " moveto \n";
$this->stringCommands .= $x_to . ' ' . $y_to . " lineto \n";
$this->stringCommands .= "stroke \n";
}
/**
* Draw the rectangle
*
* drawing the rectangle from x,y source to x,y destination and set the
* width of the line. rectangles drawn around the text shown of fields
*
* @param integer $x_from The x_from attribute defines the start
* left position of the element
* @param integer $y_from The y_from attribute defines the start
* right position of the element
* @param integer $x_to The x_to attribute defines the end
* left position of the element
* @param integer $y_to The y_to attribute defines the end
* right position of the element
* @param integer $lineWidth Sets the width of the line e.g 2
*
* @return void
*/
public function rect($x_from, $y_from, $x_to, $y_to, $lineWidth)
{
$this->stringCommands .= $lineWidth . " setlinewidth \n";
$this->stringCommands .= "newpath \n";
$this->stringCommands .= $x_from . " " . $y_from . " moveto \n";
$this->stringCommands .= "0 " . $y_to . " rlineto \n";
$this->stringCommands .= $x_to . " 0 rlineto \n";
$this->stringCommands .= "0 -" . $y_to . " rlineto \n";
$this->stringCommands .= "closepath \n";
$this->stringCommands .= "stroke \n";
}
/**
* Set the current point
*
* The moveto operator takes two numbers off the stack and treats
* them as x and y coordinates to which to move. The coordinates
* specified become the current point.
*
* @param integer $x The x attribute defines the left position of the element
* @param integer $y The y attribute defines the right position of the element
*
* @return void
*/
public function moveTo($x, $y)
{
$this->stringCommands .= $x . ' ' . $y . " moveto \n";
}
/**
* Output/Display the text
*
* @param string $text The string to be displayed
*
* @return void
*/
public function show($text)
{
$this->stringCommands .= '(' . $text . ") show \n";
}
/**
* Output the text at specified co-ordinates
*
* @param string $text String to be displayed
* @param integer $x X attribute defines the left position of the element
* @param integer $y Y attribute defines the right position of the element
*
* @return void
*/
public function showXY($text, $x, $y)
{
$this->moveTo($x, $y);
$this->show($text);
}
/**
* Ends EPS Document
*
* @return void
*/
public function endEpsDoc()
{
$this->stringCommands .= "showpage \n";
}
/**
* Output EPS Document for download
*
* @param string $fileName name of the eps document
*
* @return void
*/
public function showOutput($fileName)
{
// if(ob_get_clean()){
//ob_end_clean();
//}
$output = $this->stringCommands;
Response::getInstance()
->disable();
PMA_downloadHeader(
$fileName,
'image/x-eps',
strlen($output)
);
print $output;
}
}

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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);
}
}
}

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<?php
/* vim: set expandtab sw=4 ts=4 sts=4: */
/**
* Contains PMA\libraries\plugins\schema\eps\RelationStatsEps class
*
* @package PhpMyAdmin
*/
namespace PMA\libraries\plugins\schema\eps;
use PMA\libraries\plugins\schema\RelationStats;
/**
* Relation preferences/statistics
*
* This class fetches the table master and foreign fields positions
* and helps in generating the Table references and then connects
* master table's master field to foreign table's foreign key
* in EPS document.
*
* @package PhpMyAdmin
* @name Relation_Stats_Eps
* @see PMA_EPS
*/
class RelationStatsEps extends RelationStats
{
/**
* The "PMA\libraries\plugins\schema\eps\RelationStatsEps" constructor
*
* @param object $diagram The EPS diagram
* @param string $master_table The master table name
* @param string $master_field The relation field in the master table
* @param string $foreign_table The foreign table name
* @param string $foreign_field The relation field in the foreign table
*/
public function __construct(
$diagram, $master_table, $master_field, $foreign_table, $foreign_field
) {
$this->wTick = 10;
parent::__construct(
$diagram, $master_table, $master_field, $foreign_table, $foreign_field
);
$this->ySrc += 10;
$this->yDest += 10;
}
/**
* draws relation links and arrows
* shows foreign key relations
*
* @see PMA_EPS
*
* @return void
*/
public function relationDraw()
{
// draw a line like -- to foreign field
$this->diagram->line(
$this->xSrc,
$this->ySrc,
$this->xSrc + $this->srcDir * $this->wTick,
$this->ySrc,
1
);
// draw a line like -- to master field
$this->diagram->line(
$this->xDest + $this->destDir * $this->wTick,
$this->yDest,
$this->xDest,
$this->yDest,
1
);
// draw a line that connects to master field line and foreign field line
$this->diagram->line(
$this->xSrc + $this->srcDir * $this->wTick,
$this->ySrc,
$this->xDest + $this->destDir * $this->wTick,
$this->yDest,
1
);
$root2 = 2 * sqrt(2);
$this->diagram->line(
$this->xSrc + $this->srcDir * $this->wTick * 0.75,
$this->ySrc,
$this->xSrc + $this->srcDir * (0.75 - 1 / $root2) * $this->wTick,
$this->ySrc + $this->wTick / $root2,
1
);
$this->diagram->line(
$this->xSrc + $this->srcDir * $this->wTick * 0.75,
$this->ySrc,
$this->xSrc + $this->srcDir * (0.75 - 1 / $root2) * $this->wTick,
$this->ySrc - $this->wTick / $root2,
1
);
$this->diagram->line(
$this->xDest + $this->destDir * $this->wTick / 2,
$this->yDest,
$this->xDest + $this->destDir * (0.5 + 1 / $root2) * $this->wTick,
$this->yDest + $this->wTick / $root2,
1
);
$this->diagram->line(
$this->xDest + $this->destDir * $this->wTick / 2,
$this->yDest,
$this->xDest + $this->destDir * (0.5 + 1 / $root2) * $this->wTick,
$this->yDest - $this->wTick / $root2,
1
);
}
}

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<?php
/* vim: set expandtab sw=4 ts=4 sts=4: */
/**
* Contains PMA\libraries\plugins\schema\eps\TableStatsEps class
*
* @package PhpMyAdmin
*/
namespace PMA\libraries\plugins\schema\eps;
use PMA;
use PMA\libraries\plugins\schema\ExportRelationSchema;
use PMA\libraries\plugins\schema\TableStats;
/**
* Table preferences/statistics
*
* This class preserves the table co-ordinates,fields
* and helps in drawing/generating the Tables in EPS.
*
* @package PhpMyAdmin
* @name Table_Stats_Eps
* @see PMA_EPS
*/
class TableStatsEps extends TableStats
{
/**
* Defines properties
*/
public $height;
public $currentCell = 0;
/**
* The "PMA\libraries\plugins\schema\eps\TableStatsEps" constructor
*
* @param object $diagram The EPS diagram
* @param string $db The database name
* @param string $tableName The table name
* @param string $font The font name
* @param integer $fontSize The font size
* @param integer $pageNumber Page number
* @param integer &$same_wide_width The max width among tables
* @param boolean $showKeys Whether to display keys or not
* @param boolean $tableDimension Whether to display table position or not
* @param boolean $offline Whether the coordinates are sent
* from the browser
*
* @see PMA_EPS, Table_Stats_Eps::Table_Stats_setWidth,
* PMA\libraries\plugins\schema\eps\TableStatsEps::Table_Stats_setHeight
*/
public function __construct(
$diagram,
$db,
$tableName,
$font,
$fontSize,
$pageNumber,
&$same_wide_width,
$showKeys = false,
$tableDimension = false,
$offline = false
) {
parent::__construct(
$diagram,
$db,
$pageNumber,
$tableName,
$showKeys,
$tableDimension,
$offline
);
// height and width
$this->_setHeightTable($fontSize);
// setWidth must me after setHeight, because title
// can include table height which changes table width
$this->_setWidthTable($font, $fontSize);
if ($same_wide_width < $this->width) {
$same_wide_width = $this->width;
}
}
/**
* Displays an error when the table cannot be found.
*
* @return void
*/
protected function showMissingTableError()
{
ExportRelationSchema::dieSchema(
$this->pageNumber,
"EPS",
sprintf(__('The %s table doesn\'t exist!'), $this->tableName)
);
}
/**
* Sets the width of the table
*
* @param string $font The font name
* @param integer $fontSize The font size
*
* @return void
*
* @see PMA_EPS
*/
private function _setWidthTable($font, $fontSize)
{
foreach ($this->fields as $field) {
$this->width = max(
$this->width,
PMA\libraries\Font::getStringWidth($field, $font, $fontSize)
);
}
$this->width += PMA\libraries\Font::getStringWidth(
' ',
$font,
$fontSize
);
/*
* it is unknown what value must be added, because
* table title is affected by the table width value
*/
while ($this->width
< PMA\libraries\Font::getStringWidth(
$this->getTitle(),
$font,
$fontSize
)) {
$this->width += 7;
}
}
/**
* Sets the height of the table
*
* @param integer $fontSize The font size
*
* @return void
*/
private function _setHeightTable($fontSize)
{
$this->heightCell = $fontSize + 4;
$this->height = (count($this->fields) + 1) * $this->heightCell;
}
/**
* Draw the table
*
* @param boolean $showColor Whether to display color
*
* @return void
*
* @see PMA_EPS,PMA_EPS::line,PMA_EPS::rect
*/
public function tableDraw($showColor)
{
//echo $this->tableName.'<br />';
$this->diagram->rect(
$this->x,
$this->y + 12,
$this->width,
$this->heightCell,
1
);
$this->diagram->showXY($this->getTitle(), $this->x + 5, $this->y + 14);
foreach ($this->fields as $field) {
$this->currentCell += $this->heightCell;
$this->diagram->rect(
$this->x,
$this->y + 12 + $this->currentCell,
$this->width,
$this->heightCell,
1
);
$this->diagram->showXY(
$field,
$this->x + 5,
$this->y + 14 + $this->currentCell
);
}
}
}