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admin/phpMyAdmin/libraries/classes/Plugins/Schema/Eps/Eps.php
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282
admin/phpMyAdmin/libraries/classes/Plugins/Schema/Eps/Eps.php
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<?php
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/**
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* Classes to create relation schema in EPS format.
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*/
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declare(strict_types=1);
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namespace PhpMyAdmin\Plugins\Schema\Eps;
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use PhpMyAdmin\Core;
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use PhpMyAdmin\Response;
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use function strlen;
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/**
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* This Class is EPS Library and
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* helps in developing structure of EPS Schema Export
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*
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* @see https://www.php.net/manual/en/book.xmlwriter.php
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*
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* @access public
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*/
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class Eps
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{
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/** @var string */
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public $font;
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/** @var int */
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public $fontSize;
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/** @var string */
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public $stringCommands;
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/**
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* Upon instantiation This starts writing the EPS Document.
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* %!PS-Adobe-3.0 EPSF-3.0 This is the MUST first comment to include
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* it shows/tells that the Post Script document is purely under
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* Document Structuring Convention [DSC] and is Compliant
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* Encapsulated Post Script Document
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*/
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public function __construct()
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{
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$this->stringCommands = '';
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$this->stringCommands .= "%!PS-Adobe-3.0 EPSF-3.0 \n";
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}
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/**
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* Set document title
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*
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* @param string $value sets the title text
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*
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* @return void
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*/
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public function setTitle($value)
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{
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$this->stringCommands .= '%%Title: ' . $value . "\n";
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}
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/**
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* Set document author
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*
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* @param string $value sets the author
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*
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* @return void
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*/
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public function setAuthor($value)
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{
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$this->stringCommands .= '%%Creator: ' . $value . "\n";
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}
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/**
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* Set document creation date
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*
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* @param string $value sets the date
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*
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* @return void
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*/
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public function setDate($value)
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{
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$this->stringCommands .= '%%CreationDate: ' . $value . "\n";
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}
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/**
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* Set document orientation
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*
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* @param string $orientation sets the orientation
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*
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* @return void
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*/
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public function setOrientation($orientation)
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{
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$this->stringCommands .= "%%PageOrder: Ascend \n";
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if ($orientation === 'L') {
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$orientation = 'Landscape';
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$this->stringCommands .= '%%Orientation: ' . $orientation . "\n";
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} else {
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$orientation = 'Portrait';
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$this->stringCommands .= '%%Orientation: ' . $orientation . "\n";
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}
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$this->stringCommands .= "%%EndComments \n";
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$this->stringCommands .= "%%Pages 1 \n";
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$this->stringCommands .= "%%BoundingBox: 72 150 144 170 \n";
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}
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/**
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* Set the font and size
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*
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* font can be set whenever needed in EPS
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*
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* @param string $value sets the font name e.g Arial
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* @param int $size sets the size of the font e.g 10
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*
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* @return void
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*/
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public function setFont($value, $size)
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{
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$this->font = $value;
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$this->fontSize = $size;
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$this->stringCommands .= '/' . $value . " findfont % Get the basic font\n";
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$this->stringCommands .= ''
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. $size . ' scalefont % Scale the font to ' . $size . " points\n";
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$this->stringCommands
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.= "setfont % Make it the current font\n";
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}
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/**
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* Get the font
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*
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* @return string return the font name e.g Arial
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*/
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public function getFont()
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{
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return $this->font;
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}
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/**
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* Get the font Size
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*
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* @return string|int return the size of the font e.g 10
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*/
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public function getFontSize()
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{
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return $this->fontSize;
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}
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/**
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* Draw the line
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*
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* drawing the lines from x,y source to x,y destination and set the
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* width of the line. lines helps in showing relationships of tables
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*
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* @param int $x_from The x_from attribute defines the start
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* left position of the element
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* @param int $y_from The y_from attribute defines the start
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* right position of the element
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* @param int $x_to The x_to attribute defines the end
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* left position of the element
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* @param int $y_to The y_to attribute defines the end
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* right position of the element
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* @param int $lineWidth Sets the width of the line e.g 2
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*
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* @return void
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*/
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public function line(
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$x_from = 0,
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$y_from = 0,
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$x_to = 0,
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$y_to = 0,
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$lineWidth = 0
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) {
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$this->stringCommands .= $lineWidth . " setlinewidth \n";
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$this->stringCommands .= $x_from . ' ' . $y_from . " moveto \n";
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$this->stringCommands .= $x_to . ' ' . $y_to . " lineto \n";
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$this->stringCommands .= "stroke \n";
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}
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/**
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* Draw the rectangle
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*
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* drawing the rectangle from x,y source to x,y destination and set the
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* width of the line. rectangles drawn around the text shown of fields
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*
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* @param int $x_from The x_from attribute defines the start
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* left position of the element
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* @param int $y_from The y_from attribute defines the start
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* right position of the element
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* @param int $x_to The x_to attribute defines the end
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* left position of the element
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* @param int $y_to The y_to attribute defines the end
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* right position of the element
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* @param int $lineWidth Sets the width of the line e.g 2
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*
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* @return void
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*/
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public function rect($x_from, $y_from, $x_to, $y_to, $lineWidth)
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{
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$this->stringCommands .= $lineWidth . " setlinewidth \n";
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$this->stringCommands .= "newpath \n";
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$this->stringCommands .= $x_from . ' ' . $y_from . " moveto \n";
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$this->stringCommands .= '0 ' . $y_to . " rlineto \n";
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$this->stringCommands .= $x_to . " 0 rlineto \n";
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$this->stringCommands .= '0 -' . $y_to . " rlineto \n";
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$this->stringCommands .= "closepath \n";
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$this->stringCommands .= "stroke \n";
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}
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/**
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* Set the current point
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*
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* The moveto operator takes two numbers off the stack and treats
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* them as x and y coordinates to which to move. The coordinates
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* specified become the current point.
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*
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* @param int $x The x attribute defines the left position of the element
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* @param int $y The y attribute defines the right position of the element
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*
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* @return void
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*/
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public function moveTo($x, $y)
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{
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$this->stringCommands .= $x . ' ' . $y . " moveto \n";
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}
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/**
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* Output/Display the text
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*
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* @param string $text The string to be displayed
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*
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* @return void
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*/
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public function show($text)
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{
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$this->stringCommands .= '(' . $text . ") show \n";
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}
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/**
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* Output the text at specified co-ordinates
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*
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* @param string $text String to be displayed
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* @param int $x X attribute defines the left position of the element
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* @param int $y Y attribute defines the right position of the element
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*
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* @return void
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*/
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public function showXY($text, $x, $y)
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{
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$this->moveTo($x, $y);
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$this->show($text);
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}
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/**
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* Ends EPS Document
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*
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* @return void
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*/
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public function endEpsDoc()
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{
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$this->stringCommands .= "showpage \n";
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}
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/**
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* Output EPS Document for download
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*
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* @param string $fileName name of the eps document
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*
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* @return void
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*/
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public function showOutput($fileName)
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{
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// if(ob_get_clean()){
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//ob_end_clean();
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//}
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$output = $this->stringCommands;
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Response::getInstance()
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->disable();
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Core::downloadHeader(
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$fileName,
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'image/x-eps',
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strlen($output)
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);
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print $output;
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}
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}
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@ -0,0 +1,252 @@
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<?php
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/**
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* Classes to create relation schema in EPS format.
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*/
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declare(strict_types=1);
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namespace PhpMyAdmin\Plugins\Schema\Eps;
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use PhpMyAdmin\Plugins\Schema\Dia\TableStatsDia;
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use PhpMyAdmin\Plugins\Schema\ExportRelationSchema;
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use PhpMyAdmin\Plugins\Schema\Pdf\TableStatsPdf;
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use PhpMyAdmin\Plugins\Schema\Svg\TableStatsSvg;
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use function date;
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use function in_array;
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use function sprintf;
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/**
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* EPS Relation Schema Class
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*
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* Purpose of this class is to generate the EPS Document
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* which is used for representing the database diagrams.
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* This class uses post script commands and with
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* the combination of these commands actually helps in preparing EPS Document.
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*
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* This class inherits ExportRelationSchema class has common functionality added
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* to this class
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*
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* @name EpsRelationSchema
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*/
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class EpsRelationSchema extends ExportRelationSchema
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{
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/** @var TableStatsDia[]|TableStatsEps[]|TableStatsPdf[]|TableStatsSvg[] */
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private $tables = [];
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/** @var RelationStatsEps[] Relations */
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private $relations = [];
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/** @var int */
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private $tablewidth;
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/**
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* Upon instantiation This starts writing the EPS document
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* user will be prompted for download as .eps extension
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*
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* @see PMA_EPS
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*
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* @param string $db database name
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*/
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public function __construct($db)
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{
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parent::__construct($db, new Eps());
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$this->setShowColor(isset($_REQUEST['eps_show_color']));
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$this->setShowKeys(isset($_REQUEST['eps_show_keys']));
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$this->setTableDimension(isset($_REQUEST['eps_show_table_dimension']));
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$this->setAllTablesSameWidth(isset($_REQUEST['eps_all_tables_same_width']));
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$this->setOrientation((string) $_REQUEST['eps_orientation']);
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$this->diagram->setTitle(
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sprintf(
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__('Schema of the %s database - Page %s'),
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$this->db,
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$this->pageNumber
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)
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);
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$this->diagram->setAuthor('phpMyAdmin ' . PMA_VERSION);
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$this->diagram->setDate(date('j F Y, g:i a'));
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$this->diagram->setOrientation($this->orientation);
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$this->diagram->setFont('Verdana', '10');
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$alltables = $this->getTablesFromRequest();
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foreach ($alltables as $table) {
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if (! isset($this->tables[$table])) {
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$this->tables[$table] = new TableStatsEps(
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$this->diagram,
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$this->db,
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$table,
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$this->diagram->getFont(),
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$this->diagram->getFontSize(),
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$this->pageNumber,
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$this->tablewidth,
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$this->showKeys,
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$this->tableDimension,
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$this->offline
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);
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}
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if (! $this->sameWide) {
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continue;
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}
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$this->tables[$table]->width = $this->tablewidth;
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}
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$seen_a_relation = false;
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foreach ($alltables as $one_table) {
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$exist_rel = $this->relation->getForeigners($this->db, $one_table, '', 'both');
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if (! $exist_rel) {
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continue;
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}
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$seen_a_relation = true;
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foreach ($exist_rel as $master_field => $rel) {
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/* put the foreign table on the schema only if selected
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* by the user
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* (do not use array_search() because we would have to
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* to do a === false and this is not PHP3 compatible)
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*/
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if ($master_field !== 'foreign_keys_data') {
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if (in_array($rel['foreign_table'], $alltables)) {
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$this->addRelation(
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$one_table,
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$this->diagram->getFont(),
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$this->diagram->getFontSize(),
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$master_field,
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$rel['foreign_table'],
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$rel['foreign_field'],
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$this->tableDimension
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);
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}
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continue;
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}
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foreach ($rel as $one_key) {
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if (! in_array($one_key['ref_table_name'], $alltables)) {
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continue;
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}
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foreach ($one_key['index_list'] as $index => $one_field) {
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$this->addRelation(
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$one_table,
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$this->diagram->getFont(),
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$this->diagram->getFontSize(),
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$one_field,
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$one_key['ref_table_name'],
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$one_key['ref_index_list'][$index],
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$this->tableDimension
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);
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}
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}
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}
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}
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if ($seen_a_relation) {
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$this->drawRelations();
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}
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$this->drawTables();
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$this->diagram->endEpsDoc();
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}
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/**
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* Output Eps Document for download
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*
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* @return void
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*/
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public function showOutput()
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{
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$this->diagram->showOutput($this->getFileName('.eps'));
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}
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/**
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* Defines relation objects
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*
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* @see _setMinMax
|
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* @see TableStatsEps::__construct()
|
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* @see PhpMyAdmin\Plugins\Schema\Eps\RelationStatsEps::__construct()
|
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*
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* @param string $masterTable The master table name
|
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* @param string $font The font
|
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* @param int $fontSize The font size
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* @param string $masterField The relation field in the master table
|
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* @param string $foreignTable The foreign table name
|
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* @param string $foreignField The relation field in the foreign table
|
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* @param bool $tableDimension Whether to display table position or not
|
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*
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* @return void
|
||||
*/
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private function addRelation(
|
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$masterTable,
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$font,
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$fontSize,
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$masterField,
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$foreignTable,
|
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$foreignField,
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$tableDimension
|
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) {
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if (! isset($this->tables[$masterTable])) {
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$this->tables[$masterTable] = new TableStatsEps(
|
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$this->diagram,
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$this->db,
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$masterTable,
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$font,
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$fontSize,
|
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$this->pageNumber,
|
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$this->tablewidth,
|
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false,
|
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$tableDimension
|
||||
);
|
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}
|
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if (! isset($this->tables[$foreignTable])) {
|
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$this->tables[$foreignTable] = new TableStatsEps(
|
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$this->diagram,
|
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$this->db,
|
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$foreignTable,
|
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$font,
|
||||
$fontSize,
|
||||
$this->pageNumber,
|
||||
$this->tablewidth,
|
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false,
|
||||
$tableDimension
|
||||
);
|
||||
}
|
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$this->relations[] = new RelationStatsEps(
|
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$this->diagram,
|
||||
$this->tables[$masterTable],
|
||||
$masterField,
|
||||
$this->tables[$foreignTable],
|
||||
$foreignField
|
||||
);
|
||||
}
|
||||
|
||||
/**
|
||||
* Draws relation arrows and lines connects master table's master field to
|
||||
* foreign table's foreign field
|
||||
*
|
||||
* @see RelationStatsEps::relationDraw()
|
||||
*
|
||||
* @return void
|
||||
*/
|
||||
private function drawRelations()
|
||||
{
|
||||
foreach ($this->relations as $relation) {
|
||||
$relation->relationDraw();
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Draws tables
|
||||
*
|
||||
* @see TableStatsEps::Table_Stats_tableDraw()
|
||||
*
|
||||
* @return void
|
||||
*/
|
||||
private function drawTables()
|
||||
{
|
||||
foreach ($this->tables as $table) {
|
||||
$table->tableDraw($this->showColor);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,117 @@
|
|||
<?php
|
||||
/**
|
||||
* Contains PhpMyAdmin\Plugins\Schema\Eps\RelationStatsEps class
|
||||
*/
|
||||
|
||||
declare(strict_types=1);
|
||||
|
||||
namespace PhpMyAdmin\Plugins\Schema\Eps;
|
||||
|
||||
use PhpMyAdmin\Plugins\Schema\RelationStats;
|
||||
use function sqrt;
|
||||
|
||||
/**
|
||||
* 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.
|
||||
*
|
||||
* @see Eps
|
||||
*
|
||||
* @name RelationStatsEps
|
||||
*/
|
||||
class RelationStatsEps extends RelationStats
|
||||
{
|
||||
/**
|
||||
* @param Eps $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 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
|
||||
);
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,187 @@
|
|||
<?php
|
||||
/**
|
||||
* Contains PhpMyAdmin\Plugins\Schema\Eps\TableStatsEps class
|
||||
*/
|
||||
|
||||
declare(strict_types=1);
|
||||
|
||||
namespace PhpMyAdmin\Plugins\Schema\Eps;
|
||||
|
||||
use PhpMyAdmin\Plugins\Schema\ExportRelationSchema;
|
||||
use PhpMyAdmin\Plugins\Schema\TableStats;
|
||||
use function count;
|
||||
use function max;
|
||||
use function sprintf;
|
||||
|
||||
/**
|
||||
* Table preferences/statistics
|
||||
*
|
||||
* This class preserves the table co-ordinates,fields
|
||||
* and helps in drawing/generating the Tables in EPS.
|
||||
*
|
||||
* @see Eps
|
||||
*
|
||||
* @name TableStatsEps
|
||||
*/
|
||||
class TableStatsEps extends TableStats
|
||||
{
|
||||
/** @var int */
|
||||
public $height;
|
||||
|
||||
/** @var int */
|
||||
public $currentCell = 0;
|
||||
|
||||
/**
|
||||
* @see Eps
|
||||
* @see TableStatsEps::setWidthTable
|
||||
* @see TableStatsEps::setHeightTable
|
||||
*
|
||||
* @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 int $fontSize The font size
|
||||
* @param int $pageNumber Page number
|
||||
* @param int $same_wide_width The max width among tables
|
||||
* @param bool $showKeys Whether to display keys or not
|
||||
* @param bool $tableDimension Whether to display table position or not
|
||||
* @param bool $offline Whether the coordinates are sent
|
||||
* from the browser
|
||||
*/
|
||||
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) {
|
||||
return;
|
||||
}
|
||||
|
||||
$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
|
||||
*
|
||||
* @see Eps
|
||||
*
|
||||
* @param string $font The font name
|
||||
* @param int $fontSize The font size
|
||||
*
|
||||
* @return void
|
||||
*/
|
||||
private function setWidthTable($font, $fontSize)
|
||||
{
|
||||
foreach ($this->fields as $field) {
|
||||
$this->width = max(
|
||||
$this->width,
|
||||
$this->font->getStringWidth($field, $font, (int) $fontSize)
|
||||
);
|
||||
}
|
||||
$this->width += $this->font->getStringWidth(
|
||||
' ',
|
||||
$font,
|
||||
(int) $fontSize
|
||||
);
|
||||
/*
|
||||
* it is unknown what value must be added, because
|
||||
* table title is affected by the table width value
|
||||
*/
|
||||
while ($this->width
|
||||
< $this->font->getStringWidth(
|
||||
$this->getTitle(),
|
||||
$font,
|
||||
(int) $fontSize
|
||||
)
|
||||
) {
|
||||
$this->width += 7;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Sets the height of the table
|
||||
*
|
||||
* @param int $fontSize The font size
|
||||
*
|
||||
* @return void
|
||||
*/
|
||||
private function setHeightTable($fontSize)
|
||||
{
|
||||
$this->heightCell = $fontSize + 4;
|
||||
$this->height = (count($this->fields) + 1) * $this->heightCell;
|
||||
}
|
||||
|
||||
/**
|
||||
* Draw the table
|
||||
*
|
||||
* @see Eps
|
||||
* @see Eps::line
|
||||
* @see Eps::rect
|
||||
*
|
||||
* @param bool $showColor Whether to display color
|
||||
*
|
||||
* @return void
|
||||
*/
|
||||
public function tableDraw($showColor)
|
||||
{
|
||||
$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
|
||||
);
|
||||
}
|
||||
}
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue