510 lines
15 KiB
PHP
510 lines
15 KiB
PHP
<?php
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/* vim: set expandtab sw=4 ts=4 sts=4: */
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/**
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* Classes to create relation schema in EPS format.
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*
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* @package PhpMyAdmin
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*/
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if (! defined('PHPMYADMIN')) {
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exit;
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}
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require_once 'libraries/plugins/schema/Export_Relation_Schema.class.php';
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require_once 'libraries/plugins/schema/eps/RelationStatsEps.class.php';
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require_once 'libraries/plugins/schema/eps/TableStatsEps.class.php';
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require_once 'libraries/Font.class.php';
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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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* @package PhpMyAdmin
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* @access public
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* @see http://php.net/manual/en/book.xmlwriter.php
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*/
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class PMA_EPS
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{
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public $font;
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public $fontSize;
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public $stringCommands;
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/**
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* The "PMA_EPS" constructor
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*
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* Upon instantiation This starts writing the EPS Document.
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* %!PS-Adobe-3.0 EPSF-3.0 This is the MUST first comment to include
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* it shows/tells that the Post Script document is purely under
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* Document Structuring Convention [DSC] and is Compliant
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* Encapsulated Post Script Document
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*
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* @access public
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*/
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function __construct()
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{
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$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 $value sets the title text
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*
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* @return void
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*
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* @access public
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*/
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function setTitle($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 $value sets the author
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*
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* @return void
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*
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* @access public
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*/
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function setAuthor($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 $value sets the date
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*
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* @return void
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*
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* @access public
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*/
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function setDate($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 $orientation sets the orientation
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*
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* @return void
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*
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* @access public
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*/
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function setOrientation($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 integer $size sets the size of the font e.g 10
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*
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* @return void
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*
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* @access public
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*/
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function setFont($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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* @access public
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*/
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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 return the size of the font e.g 10
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* @access public
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*/
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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 integer $x_from The x_from attribute defines the start
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* left position of the element
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* @param integer $y_from The y_from attribute defines the start
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* right position of the element
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* @param integer $x_to The x_to attribute defines the end
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* left position of the element
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* @param integer $y_to The y_to attribute defines the end
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* right position of the element
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* @param integer $lineWidth Sets the width of the line e.g 2
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*
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* @return void
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*
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* @access public
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*/
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function line($x_from = 0, $y_from = 0, $x_to = 0, $y_to = 0, $lineWidth = 0)
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{
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$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 integer $x_from The x_from attribute defines the start
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left position of the element
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* @param integer $y_from The y_from attribute defines the start
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right position of the element
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* @param integer $x_to The x_to attribute defines the end
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left position of the element
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* @param integer $y_to The y_to attribute defines the end
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right position of the element
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* @param integer $lineWidth Sets the width of the line e.g 2
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*
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* @return void
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*
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* @access public
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*/
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function rect($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 integer $x The x attribute defines the left position of the element
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* @param integer $y The y attribute defines the right position of the element
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*
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* @return void
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*
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* @access public
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*/
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function moveTo($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 $text The string to be displayed
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*
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* @return void
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*
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* @access public
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*/
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function show($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 integer $x X attribute defines the left position of the element
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* @param integer $y Y attribute defines the right position of the element
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*
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* @return void
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*
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* @access public
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*/
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function showXY($text, $x, $y)
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{
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$this->moveTo($x, $y);
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$this->show($text);
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}
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/**
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* Ends EPS Document
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*
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* @return void
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* @access public
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*/
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function endEpsDoc()
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{
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$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 $fileName name of the eps document
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*
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* @return void
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*
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* @access public
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*/
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function showOutput($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 = $this->stringCommands;
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PMA_Response::getInstance()->disable();
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PMA_downloadHeader(
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$fileName,
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'image/x-eps',
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/*overload*/mb_strlen($output)
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);
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print $output;
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}
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}
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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 Export_Relation_Schema class has common functionality added
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* to this class
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*
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* @package PhpMyAdmin
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* @name Eps_Relation_Schema
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*/
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class PMA_Eps_Relation_Schema extends PMA_Export_Relation_Schema
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{
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private $_tables = array();
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private $_relations = array();
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/**
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* The "PMA_EPS_Relation_Schema" constructor
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*
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* Upon instantiation This starts writing the EPS document
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* user will be prompted for download as .eps extension
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*
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* @see PMA_EPS
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*/
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function __construct()
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{
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parent::__construct(new PMA_EPS());
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$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($_REQUEST['eps_orientation']);
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$this->diagram->setTitle(
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sprintf(
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__('Schema of the %s database - Page %s'),
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$GLOBALS['db'],
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$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[$table] = new Table_Stats_Eps(
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$this->diagram,
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$table, $this->diagram->getFont(),
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$this->diagram->getFontSize(), $this->pageNumber,
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$this->_tablewidth, $this->showKeys,
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$this->tableDimension, $this->offline
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);
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}
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if ($this->sameWide) {
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$this->_tables[$table]->width = $this->_tablewidth;
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}
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}
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$seen_a_relation = false;
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foreach ($alltables as $one_table) {
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$exist_rel = PMA_getForeigners($GLOBALS['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, $this->diagram->getFont(), $this->diagram->getFontSize(),
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$master_field, $rel['foreign_table'],
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$rel['foreign_field'], $this->tableDimension
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);
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}
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continue;
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}
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foreach ($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']
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as $index => $one_field
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) {
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$this->_addRelation(
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$one_table, $this->diagram->getFont(),
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$this->diagram->getFontSize(),
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$one_field, $one_key['ref_table_name'],
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$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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* @access public
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*/
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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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* @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 boolean $tableDimension Whether to display table position or not
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*
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* @return void
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*
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* @access private
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* @see _setMinMax,Table_Stats_Eps::__construct(),
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* Relation_Stats_Eps::__construct()
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*/
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private function _addRelation(
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$masterTable, $font, $fontSize, $masterField,
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$foreignTable, $foreignField, $tableDimension
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) {
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if (! isset($this->_tables[$masterTable])) {
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$this->_tables[$masterTable] = new Table_Stats_Eps(
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$this->diagram, $masterTable, $font, $fontSize, $this->pageNumber,
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$this->_tablewidth, false, $tableDimension
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);
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}
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if (! isset($this->_tables[$foreignTable])) {
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$this->_tables[$foreignTable] = new Table_Stats_Eps(
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$this->diagram, $foreignTable, $font, $fontSize, $this->pageNumber,
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$this->_tablewidth, false, $tableDimension
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);
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}
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$this->_relations[] = new Relation_Stats_Eps(
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$this->diagram,
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$this->_tables[$masterTable],
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$masterField,
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$this->_tables[$foreignTable],
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$foreignField
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);
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}
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/**
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* Draws relation arrows and lines connects master table's master field to
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* foreign table's foreign field
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*
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* @return void
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*
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* @access private
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* @see Relation_Stats_Eps::relationDraw()
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*/
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private function _drawRelations()
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{
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foreach ($this->_relations as $relation) {
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$relation->relationDraw($this->showColor);
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}
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}
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/**
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* Draws tables
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*
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* @return void
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*
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* @access private
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* @see Table_Stats_Eps::Table_Stats_tableDraw()
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*/
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private function _drawTables()
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{
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foreach ($this->_tables as $table) {
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$table->tableDraw($this->showColor);
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}
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}
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}
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?>
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