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initial commit
This commit is contained in:
Chris Sewell
949
html/phpmyad/libraries/schema/Svg_Relation_Schema.class.php
Normal file
949
html/phpmyad/libraries/schema/Svg_Relation_Schema.class.php
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@ -0,0 +1,949 @@
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<?php
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/* vim: set expandtab sw=4 ts=4 sts=4: */
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/**
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*
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* @package PhpMyAdmin
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*/
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require_once 'Export_Relation_Schema.class.php';
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/**
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* This Class inherits the XMLwriter class and
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* helps in developing structure of SVG Schema Export
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*
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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_SVG extends XMLWriter
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{
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public $title;
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public $author;
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public $font;
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public $fontSize;
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/**
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* The "PMA_SVG" constructor
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*
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* Upon instantiation This starts writing the Svg XML document
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*
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* @return void
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* @see XMLWriter::openMemory(),XMLWriter::setIndent(),XMLWriter::startDocument()
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*/
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function __construct()
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{
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$this->openMemory();
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/*
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* Set indenting using three spaces,
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* so output is formatted
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*/
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$this->setIndent(true);
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$this->setIndentString(' ');
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/*
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* Create the XML document
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*/
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$this->startDocument('1.0', 'UTF-8');
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$this->startDtd(
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'svg', '-//W3C//DTD SVG 1.1//EN',
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'http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd'
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);
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$this->endDtd();
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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 $value sets the title text
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*
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* @return void
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* @access public
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*/
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function setTitle($value)
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{
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$this->title = $value;
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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 $value sets the author
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*
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* @return void
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* @access public
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*/
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function setAuthor($value)
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{
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$this->author = $value;
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}
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/**
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* Set document font
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*
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* @param string $value sets the font e.g Arial, Sans-serif etc
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*
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* @return void
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* @access public
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*/
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function setFont($value)
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{
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$this->font = $value;
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}
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/**
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* Get document font
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*
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* @return string returns the font name
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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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* Set document font size
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*
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* @param string $value sets the font size in pixels
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*
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* @return void
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* @access public
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*/
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function setFontSize($value)
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{
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$this->fontSize = $value;
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}
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/**
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* Get document font size
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*
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* @return string returns the font size
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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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* Starts Svg Document
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*
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* svg document starts by first initializing svg tag
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* which contains all the attributes and namespace that needed
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* to define the svg document
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*
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* @param integer $width total width of the Svg document
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* @param integer $height total height of the Svg document
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*
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* @return void
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* @access public
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*
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* @see XMLWriter::startElement(),XMLWriter::writeAttribute()
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*/
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function startSvgDoc($width,$height)
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{
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$this->startElement('svg');
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$this->writeAttribute('width', $width);
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$this->writeAttribute('height', $height);
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$this->writeAttribute('xmlns', 'http://www.w3.org/2000/svg');
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$this->writeAttribute('version', '1.1');
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}
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/**
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* Ends Svg Document
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*
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* @return void
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* @access public
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* @see XMLWriter::endElement(),XMLWriter::endDocument()
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*/
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function endSvgDoc()
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{
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$this->endElement();
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$this->endDocument();
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}
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/**
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* output Svg Document
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*
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* svg document prompted to the user for download
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* Svg document saved in .svg extension and can be
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* easily changeable by using any svg IDE
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*
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* @param string $fileName file name
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*
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* @return void
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* @access public
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* @see XMLWriter::startElement(),XMLWriter::writeAttribute()
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*/
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function showOutput($fileName)
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{
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//ob_get_clean();
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$output = $this->flush();
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PMA_download_header($fileName . '.svg', 'image/svg+xml', strlen($output));
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print $output;
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}
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/**
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* Draws Svg elements
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*
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* SVG has some predefined shape elements like rectangle & text
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* and other elements who have x,y co-ordinates are drawn.
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* specify their width and height and can give styles too.
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*
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* @param string $name Svg element name
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* @param integer $x The x attr defines the left position of the element
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* (e.g. x="0" places the element 0 pixels from the left of the browser window)
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* @param integer $y The y attribute defines the top position of the element
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* (e.g. y="0" places the element 0 pixels from the top of the browser window)
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* @param integer $width The width attribute defines the width the element
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* @param integer $height The height attribute defines the height the element
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* @param string $text The text attribute defines the text the element
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* @param string $styles The style attribute defines the style the element
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* styles can be defined like CSS styles
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*
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* @return void
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* @access public
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*
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* @see XMLWriter::startElement(), XMLWriter::writeAttribute(),
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* XMLWriter::text(), XMLWriter::endElement()
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*/
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function printElement($name, $x, $y, $width = '', $height = '', $text = '', $styles = '')
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{
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$this->startElement($name);
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$this->writeAttribute('width', $width);
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$this->writeAttribute('height', $height);
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$this->writeAttribute('x', $x);
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$this->writeAttribute('y', $y);
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$this->writeAttribute('style', $styles);
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if (isset($text)) {
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$this->writeAttribute('font-family', $this->font);
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$this->writeAttribute('font-size', $this->fontSize);
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$this->text($text);
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}
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$this->endElement();
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}
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/**
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* Draws Svg Line element
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*
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* Svg line element is drawn for connecting the tables.
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* arrows are also drawn by specify its start and ending
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* co-ordinates
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*
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* @param string $name Svg element name i.e line
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* @param integer $x1 Defines the start of the line on the x-axis
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* @param integer $y1 Defines the start of the line on the y-axis
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* @param integer $x2 Defines the end of the line on the x-axis
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* @param integer $y2 Defines the end of the line on the y-axis
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* @param string $styles The style attribute defines the style the element
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* styles can be defined like CSS styles
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*
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* @return void
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* @access public
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||||
*
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||||
* @see XMLWriter::startElement(), XMLWriter::writeAttribute(),
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* XMLWriter::endElement()
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*/
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function printElementLine($name,$x1,$y1,$x2,$y2,$styles)
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{
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$this->startElement($name);
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$this->writeAttribute('x1', $x1);
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$this->writeAttribute('y1', $y1);
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$this->writeAttribute('x2', $x2);
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$this->writeAttribute('y2', $y2);
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$this->writeAttribute('style', $styles);
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$this->endElement();
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}
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/**
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* get width of string/text
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*
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* Svg text element width is calcualted depending on font name
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* and font size. It is very important to know the width of text
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* because rectangle is drawn around it.
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*
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* This is a bit hardcore method. I didn't found any other than this.
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*
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* @param string $text string that width will be calculated
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* @param integer $font name of the font like Arial,sans-serif etc
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* @param integer $fontSize size of font
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*
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* @return integer width of the text
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* @access public
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*/
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function getStringWidth($text,$font,$fontSize)
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{
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/*
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* Start by counting the width, giving each character a modifying value
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*/
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$count = 0;
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$count = $count + ((strlen($text) - strlen(str_replace(array("i", "j", "l"), "", $text))) * 0.23);//ijl
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$count = $count + ((strlen($text) - strlen(str_replace(array("f"), "", $text))) * 0.27);//f
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$count = $count + ((strlen($text) - strlen(str_replace(array("t", "I"), "", $text))) * 0.28);//tI
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$count = $count + ((strlen($text) - strlen(str_replace(array("r"), "", $text))) * 0.34);//r
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$count = $count + ((strlen($text) - strlen(str_replace(array("1"), "", $text))) * 0.49);//1
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$count = $count + ((strlen($text) - strlen(str_replace(array("c", "k", "s", "v", "x", "y", "z", "J"), "", $text))) * 0.5);//cksvxyzJ
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$count = $count + ((strlen($text) - strlen(str_replace(array("a", "b", "d", "e", "g", "h", "n", "o", "p", "q", "u", "L", "0", "2", "3", "4", "5", "6", "7", "8", "9"), "", $text))) * 0.56);//abdeghnopquL023456789
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$count = $count + ((strlen($text) - strlen(str_replace(array("F", "T", "Z"), "", $text))) * 0.61);//FTZ
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$count = $count + ((strlen($text) - strlen(str_replace(array("A", "B", "E", "K", "P", "S", "V", "X", "Y"), "", $text))) * 0.67);//ABEKPSVXY
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$count = $count + ((strlen($text) - strlen(str_replace(array("w", "C", "D", "H", "N", "R", "U"), "", $text))) * 0.73);//wCDHNRU
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$count = $count + ((strlen($text) - strlen(str_replace(array("G", "O", "Q"), "", $text))) * 0.78);//GOQ
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$count = $count + ((strlen($text) - strlen(str_replace(array("m", "M"), "", $text))) * 0.84);//mM
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$count = $count + ((strlen($text) - strlen(str_replace("W", "", $text))) * .95);//W
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$count = $count + ((strlen($text) - strlen(str_replace(" ", "", $text))) * .28);//" "
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$text = str_replace(" ", "", $text);//remove the " "'s
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$count = $count + (strlen(preg_replace("/[a-z0-9]/i", "", $text)) * 0.3); //all other chrs
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||||
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$modifier = 1;
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$font = strtolower($font);
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||||
switch($font){
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||||
/*
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||||
* no modifier for arial and sans-serif
|
||||
*/
|
||||
case 'arial':
|
||||
case 'sans-serif':
|
||||
break;
|
||||
/*
|
||||
* .92 modifer for time, serif, brushscriptstd, and californian fb
|
||||
*/
|
||||
case 'times':
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||||
case 'serif':
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||||
case 'brushscriptstd':
|
||||
case 'californian fb':
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||||
$modifier = .92;
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||||
break;
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||||
/*
|
||||
* 1.23 modifier for broadway
|
||||
*/
|
||||
case 'broadway':
|
||||
$modifier = 1.23;
|
||||
break;
|
||||
}
|
||||
$textWidth = $count*$fontSize;
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||||
return ceil($textWidth*$modifier);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Table preferences/statistics
|
||||
*
|
||||
* This class preserves the table co-ordinates,fields
|
||||
* and helps in drawing/generating the Tables in SVG XML document.
|
||||
*
|
||||
* @name Table_Stats
|
||||
* @see PMA_SVG
|
||||
*/
|
||||
class Table_Stats
|
||||
{
|
||||
/**
|
||||
* Defines properties
|
||||
*/
|
||||
|
||||
private $_tableName;
|
||||
private $_showInfo = false;
|
||||
|
||||
public $width = 0;
|
||||
public $height;
|
||||
public $fields = array();
|
||||
public $heightCell = 0;
|
||||
public $currentCell = 0;
|
||||
public $x, $y;
|
||||
public $primary = array();
|
||||
|
||||
/**
|
||||
* The "Table_Stats" constructor
|
||||
*
|
||||
* @param string $tableName The table name
|
||||
* @param string $font Font face
|
||||
* @param integer $fontSize The font size
|
||||
* @param integer $pageNumber Page number
|
||||
* @param integer &$same_wide_width The max. with among tables
|
||||
* @param boolean $showKeys Whether to display keys or not
|
||||
* @param boolean $showInfo Whether to display table position or not
|
||||
*
|
||||
* @global object The current SVG image document
|
||||
* @global integer The current page number (from the
|
||||
* $cfg['Servers'][$i]['table_coords'] table)
|
||||
* @global array The relations settings
|
||||
* @global string The current db name
|
||||
*
|
||||
* @access private
|
||||
*
|
||||
* @see PMA_SVG, Table_Stats::Table_Stats_setWidth,
|
||||
* Table_Stats::Table_Stats_setHeight
|
||||
*/
|
||||
function __construct($tableName, $font, $fontSize, $pageNumber,
|
||||
&$same_wide_width, $showKeys = false, $showInfo = false)
|
||||
{
|
||||
global $svg, $cfgRelation, $db;
|
||||
|
||||
$this->_tableName = $tableName;
|
||||
$sql = 'DESCRIBE ' . PMA_backquote($tableName);
|
||||
$result = PMA_DBI_try_query($sql, null, PMA_DBI_QUERY_STORE);
|
||||
if (! $result || ! PMA_DBI_num_rows($result)) {
|
||||
$svg->dieSchema(
|
||||
$pageNumber,
|
||||
"SVG",
|
||||
sprintf(__('The %s table doesn\'t exist!'), $tableName)
|
||||
);
|
||||
}
|
||||
|
||||
/*
|
||||
* load fields
|
||||
* check to see if it will load all fields or only the foreign keys
|
||||
*/
|
||||
|
||||
if ($showKeys) {
|
||||
$indexes = PMA_Index::getFromTable($this->_tableName, $db);
|
||||
$all_columns = array();
|
||||
foreach ($indexes as $index) {
|
||||
$all_columns = array_merge(
|
||||
$all_columns,
|
||||
array_flip(array_keys($index->getColumns()))
|
||||
);
|
||||
}
|
||||
$this->fields = array_keys($all_columns);
|
||||
} else {
|
||||
while ($row = PMA_DBI_fetch_row($result)) {
|
||||
$this->fields[] = $row[0];
|
||||
}
|
||||
}
|
||||
|
||||
$this->_showInfo = $showInfo;
|
||||
|
||||
// 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;
|
||||
}
|
||||
|
||||
// x and y
|
||||
$sql = 'SELECT x, y FROM '
|
||||
. PMA_backquote($GLOBALS['cfgRelation']['db']) . '.'
|
||||
. PMA_backquote($cfgRelation['table_coords'])
|
||||
. ' WHERE db_name = \'' . PMA_sqlAddSlashes($db) . '\''
|
||||
. ' AND table_name = \'' . PMA_sqlAddSlashes($tableName) . '\''
|
||||
. ' AND pdf_page_number = ' . $pageNumber;
|
||||
$result = PMA_query_as_controluser($sql, false, PMA_DBI_QUERY_STORE);
|
||||
|
||||
if (!$result || !PMA_DBI_num_rows($result)) {
|
||||
$svg->dieSchema(
|
||||
$pageNumber,
|
||||
"SVG",
|
||||
sprintf(
|
||||
__('Please configure the coordinates for table %s'),
|
||||
$tableName
|
||||
)
|
||||
);
|
||||
}
|
||||
list($this->x, $this->y) = PMA_DBI_fetch_row($result);
|
||||
$this->x = (double) $this->x;
|
||||
$this->y = (double) $this->y;
|
||||
// displayfield
|
||||
$this->displayfield = PMA_getDisplayField($db, $tableName);
|
||||
// index
|
||||
$result = PMA_DBI_query(
|
||||
'SHOW INDEX FROM ' . PMA_backquote($tableName) . ';',
|
||||
null,
|
||||
PMA_DBI_QUERY_STORE
|
||||
);
|
||||
if (PMA_DBI_num_rows($result) > 0) {
|
||||
while ($row = PMA_DBI_fetch_assoc($result)) {
|
||||
if ($row['Key_name'] == 'PRIMARY') {
|
||||
$this->primary[] = $row['Column_name'];
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns title of the current table,
|
||||
* title can have the dimensions/co-ordinates of the table
|
||||
*
|
||||
* @access private
|
||||
*/
|
||||
private function _getTitle()
|
||||
{
|
||||
return ($this->_showInfo
|
||||
? sprintf('%.0f', $this->width) . 'x' . sprintf('%.0f', $this->heightCell)
|
||||
: ''
|
||||
) . ' ' . $this->_tableName;
|
||||
}
|
||||
|
||||
/**
|
||||
* Sets the width of the table
|
||||
*
|
||||
* @param string $font The font size
|
||||
* @param integer $fontSize The font size
|
||||
*
|
||||
* @global object The current SVG image document
|
||||
*
|
||||
* @return nothing
|
||||
* @access private
|
||||
*
|
||||
* @see PMA_SVG
|
||||
*/
|
||||
private function _setWidthTable($font,$fontSize)
|
||||
{
|
||||
global $svg;
|
||||
|
||||
foreach ($this->fields as $field) {
|
||||
$this->width = max(
|
||||
$this->width,
|
||||
$svg->getStringWidth($field, $font, $fontSize)
|
||||
);
|
||||
}
|
||||
$this->width += $svg->getStringWidth(' ', $font, $fontSize);
|
||||
|
||||
/*
|
||||
* it is unknown what value must be added, because
|
||||
* table title is affected by the tabe width value
|
||||
*/
|
||||
while ($this->width < $svg->getStringWidth($this->_getTitle(), $font, $fontSize)) {
|
||||
$this->width += 7;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Sets the height of the table
|
||||
*
|
||||
* @param integer $fontSize font size
|
||||
*
|
||||
* @return nothing
|
||||
* @access private
|
||||
*/
|
||||
function _setHeightTable($fontSize)
|
||||
{
|
||||
$this->heightCell = $fontSize + 4;
|
||||
$this->height = (count($this->fields) + 1) * $this->heightCell;
|
||||
}
|
||||
|
||||
/**
|
||||
* draw the table
|
||||
*
|
||||
* @param boolean $showColor Whether to display color
|
||||
*
|
||||
* @global object The current SVG image document
|
||||
*
|
||||
* @access public
|
||||
* @return nothing
|
||||
*
|
||||
* @see PMA_SVG,PMA_SVG::printElement
|
||||
*/
|
||||
public function tableDraw($showColor)
|
||||
{
|
||||
global $svg;
|
||||
//echo $this->_tableName.'<br />';
|
||||
$svg->printElement(
|
||||
'rect', $this->x, $this->y, $this->width,
|
||||
$this->heightCell, null, 'fill:red;stroke:black;'
|
||||
);
|
||||
$svg->printElement(
|
||||
'text', $this->x + 5, $this->y+ 14, $this->width, $this->heightCell,
|
||||
$this->_getTitle(), 'fill:none;stroke:black;'
|
||||
);
|
||||
foreach ($this->fields as $field) {
|
||||
$this->currentCell += $this->heightCell;
|
||||
$showColor = 'none';
|
||||
if ($showColor) {
|
||||
if (in_array($field, $this->primary)) {
|
||||
$showColor = '#0c0';
|
||||
}
|
||||
if ($field == $this->displayfield) {
|
||||
$showColor = 'none';
|
||||
}
|
||||
}
|
||||
$svg->printElement(
|
||||
'rect', $this->x, $this->y + $this->currentCell, $this->width,
|
||||
$this->heightCell, null, 'fill:'.$showColor.';stroke:black;'
|
||||
);
|
||||
$svg->printElement(
|
||||
'text', $this->x + 5, $this->y + 14 + $this->currentCell,
|
||||
$this->width, $this->heightCell, $field, 'fill:none;stroke:black;'
|
||||
);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* 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 SVG XML document.
|
||||
*
|
||||
* @name Relation_Stats
|
||||
* @see PMA_SVG::printElementLine
|
||||
*/
|
||||
class Relation_Stats
|
||||
{
|
||||
/**
|
||||
* Defines properties
|
||||
*/
|
||||
public $xSrc, $ySrc;
|
||||
public $srcDir ;
|
||||
public $destDir;
|
||||
public $xDest, $yDest;
|
||||
public $wTick = 10;
|
||||
|
||||
/**
|
||||
* The "Relation_Stats" constructor
|
||||
*
|
||||
* @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 $foreign_field The relation field in the foreign table
|
||||
*
|
||||
* @return nothing
|
||||
*
|
||||
* @see Relation_Stats::_getXy
|
||||
*/
|
||||
function __construct($master_table, $master_field, $foreign_table, $foreign_field)
|
||||
{
|
||||
$src_pos = $this->_getXy($master_table, $master_field);
|
||||
$dest_pos = $this->_getXy($foreign_table, $foreign_field);
|
||||
/*
|
||||
* [0] is x-left
|
||||
* [1] is x-right
|
||||
* [2] is y
|
||||
*/
|
||||
$src_left = $src_pos[0] - $this->wTick;
|
||||
$src_right = $src_pos[1] + $this->wTick;
|
||||
$dest_left = $dest_pos[0] - $this->wTick;
|
||||
$dest_right = $dest_pos[1] + $this->wTick;
|
||||
|
||||
$d1 = abs($src_left - $dest_left);
|
||||
$d2 = abs($src_right - $dest_left);
|
||||
$d3 = abs($src_left - $dest_right);
|
||||
$d4 = abs($src_right - $dest_right);
|
||||
$d = min($d1, $d2, $d3, $d4);
|
||||
|
||||
if ($d == $d1) {
|
||||
$this->xSrc = $src_pos[0];
|
||||
$this->srcDir = -1;
|
||||
$this->xDest = $dest_pos[0];
|
||||
$this->destDir = -1;
|
||||
} elseif ($d == $d2) {
|
||||
$this->xSrc = $src_pos[1];
|
||||
$this->srcDir = 1;
|
||||
$this->xDest = $dest_pos[0];
|
||||
$this->destDir = -1;
|
||||
} elseif ($d == $d3) {
|
||||
$this->xSrc = $src_pos[0];
|
||||
$this->srcDir = -1;
|
||||
$this->xDest = $dest_pos[1];
|
||||
$this->destDir = 1;
|
||||
} else {
|
||||
$this->xSrc = $src_pos[1];
|
||||
$this->srcDir = 1;
|
||||
$this->xDest = $dest_pos[1];
|
||||
$this->destDir = 1;
|
||||
}
|
||||
$this->ySrc = $src_pos[2];
|
||||
$this->yDest = $dest_pos[2];
|
||||
}
|
||||
|
||||
/**
|
||||
* Gets arrows coordinates
|
||||
*
|
||||
* @param string $table The current table name
|
||||
* @param string $column The relation column name
|
||||
*
|
||||
* @return array Arrows coordinates
|
||||
* @access private
|
||||
*/
|
||||
function _getXy($table, $column)
|
||||
{
|
||||
$pos = array_search($column, $table->fields);
|
||||
// x_left, x_right, y
|
||||
return array(
|
||||
$table->x,
|
||||
$table->x + $table->width,
|
||||
$table->y + ($pos + 1.5) * $table->heightCell
|
||||
);
|
||||
}
|
||||
|
||||
/**
|
||||
* draws relation links and arrows shows foreign key relations
|
||||
*
|
||||
* @param boolean $changeColor Whether to use one color per relation or not
|
||||
*
|
||||
* @global object The current SVG image document
|
||||
*
|
||||
* @return nothing
|
||||
* @access public
|
||||
*
|
||||
* @see PMA_SVG
|
||||
*/
|
||||
public function relationDraw($changeColor)
|
||||
{
|
||||
global $svg;
|
||||
|
||||
if ($changeColor) {
|
||||
$listOfColors = array(
|
||||
'red',
|
||||
'grey',
|
||||
'black',
|
||||
'yellow',
|
||||
'green',
|
||||
'cyan',
|
||||
' orange'
|
||||
);
|
||||
shuffle($listOfColors);
|
||||
$color = $listOfColors[0];
|
||||
} else {
|
||||
$color = 'black';
|
||||
}
|
||||
|
||||
$svg->printElementLine(
|
||||
'line', $this->xSrc, $this->ySrc,
|
||||
$this->xSrc + $this->srcDir * $this->wTick, $this->ySrc,
|
||||
'fill:' . $color . ';stroke:black;stroke-width:2;'
|
||||
);
|
||||
$svg->printElementLine(
|
||||
'line', $this->xDest + $this->destDir * $this->wTick,
|
||||
$this->yDest, $this->xDest, $this->yDest,
|
||||
'fill:' . $color . ';stroke:black;stroke-width:2;'
|
||||
);
|
||||
$svg->printElementLine(
|
||||
'line', $this->xSrc + $this->srcDir * $this->wTick, $this->ySrc,
|
||||
$this->xDest + $this->destDir * $this->wTick, $this->yDest,
|
||||
'fill:' . $color . ';stroke:' . $color . ';stroke-width:1;'
|
||||
);
|
||||
$root2 = 2 * sqrt(2);
|
||||
$svg->printElementLine(
|
||||
'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,
|
||||
'fill:' . $color . ';stroke:black;stroke-width:2;'
|
||||
);
|
||||
$svg->printElementLine(
|
||||
'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,
|
||||
'fill:' . $color . ';stroke:black;stroke-width:2;'
|
||||
);
|
||||
$svg->printElementLine(
|
||||
'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,
|
||||
'fill:' . $color . ';stroke:black;stroke-width:2;'
|
||||
);
|
||||
$svg->printElementLine(
|
||||
'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,
|
||||
'fill:' . $color . ';stroke:black;stroke-width:2;'
|
||||
);
|
||||
}
|
||||
}
|
||||
/*
|
||||
* end of the "Relation_Stats" class
|
||||
*/
|
||||
|
||||
/**
|
||||
* Svg Relation Schema Class
|
||||
*
|
||||
* Purpose of this class is to generate the SVG XML Document because
|
||||
* SVG defines the graphics in XML format which is used for representing
|
||||
* the database diagrams as vector image. This class actually helps
|
||||
* in preparing SVG XML format.
|
||||
*
|
||||
* SVG XML is generated by using XMLWriter php extension and this class
|
||||
* inherits Export_Relation_Schema class has common functionality added
|
||||
* to this class
|
||||
*
|
||||
* @name Svg_Relation_Schema
|
||||
*/
|
||||
class PMA_Svg_Relation_Schema extends PMA_Export_Relation_Schema
|
||||
{
|
||||
|
||||
private $tables = array();
|
||||
private $_relations = array();
|
||||
private $_xMax = 0;
|
||||
private $_yMax = 0;
|
||||
private $scale;
|
||||
private $_xMin = 100000;
|
||||
private $_yMin = 100000;
|
||||
private $t_marg = 10;
|
||||
private $b_marg = 10;
|
||||
private $l_marg = 10;
|
||||
private $r_marg = 10;
|
||||
private $_tablewidth;
|
||||
|
||||
/**
|
||||
* The "PMA_Svg_Relation_Schema" constructor
|
||||
*
|
||||
* Upon instantiation This starts writing the SVG XML document
|
||||
* user will be prompted for download as .svg extension
|
||||
*
|
||||
* @return void
|
||||
* @see PMA_SVG
|
||||
*/
|
||||
function __construct()
|
||||
{
|
||||
global $svg,$db;
|
||||
|
||||
$this->setPageNumber($_POST['pdf_page_number']);
|
||||
$this->setShowColor(isset($_POST['show_color']));
|
||||
$this->setShowKeys(isset($_POST['show_keys']));
|
||||
$this->setTableDimension(isset($_POST['show_table_dimension']));
|
||||
$this->setAllTableSameWidth(isset($_POST['all_table_same_wide']));
|
||||
$this->setExportType($_POST['export_type']);
|
||||
|
||||
$svg = new PMA_SVG();
|
||||
$svg->setTitle(
|
||||
sprintf(
|
||||
__('Schema of the %s database - Page %s'),
|
||||
$db,
|
||||
$this->pageNumber
|
||||
)
|
||||
);
|
||||
$svg->SetAuthor('phpMyAdmin ' . PMA_VERSION);
|
||||
$svg->setFont('Arial');
|
||||
$svg->setFontSize('16px');
|
||||
$svg->startSvgDoc('1000px', '1000px');
|
||||
$alltables = $this->getAllTables($db, $this->pageNumber);
|
||||
|
||||
foreach ($alltables AS $table) {
|
||||
if (! isset($this->tables[$table])) {
|
||||
$this->tables[$table] = new Table_Stats(
|
||||
$table, $svg->getFont(), $svg->getFontSize(), $this->pageNumber,
|
||||
$this->_tablewidth, $this->showKeys, $this->tableDimension
|
||||
);
|
||||
}
|
||||
|
||||
if ($this->sameWide) {
|
||||
$this->tables[$table]->width = $this->_tablewidth;
|
||||
}
|
||||
$this->_setMinMax($this->tables[$table]);
|
||||
}
|
||||
$seen_a_relation = false;
|
||||
foreach ($alltables as $one_table) {
|
||||
$exist_rel = PMA_getForeigners($db, $one_table, '', 'both');
|
||||
if ($exist_rel) {
|
||||
$seen_a_relation = true;
|
||||
foreach ($exist_rel as $master_field => $rel) {
|
||||
/* put the foreign table on the schema only if selected
|
||||
* by the user
|
||||
* (do not use array_search() because we would have to
|
||||
* to do a === false and this is not PHP3 compatible)
|
||||
*/
|
||||
if (in_array($rel['foreign_table'], $alltables)) {
|
||||
$this->_addRelation(
|
||||
$one_table, $svg->getFont(), $svg->getFontSize(),
|
||||
$master_field, $rel['foreign_table'],
|
||||
$rel['foreign_field'], $this->tableDimension
|
||||
);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
if ($seen_a_relation) {
|
||||
$this->_drawRelations($this->showColor);
|
||||
}
|
||||
|
||||
$this->_drawTables($this->showColor);
|
||||
$svg->endSvgDoc();
|
||||
$svg->showOutput($db.'-'.$this->pageNumber);
|
||||
exit();
|
||||
}
|
||||
|
||||
/**
|
||||
* Sets X and Y minimum and maximum for a table cell
|
||||
*
|
||||
* @param string $table The table name
|
||||
*
|
||||
* @return nothing
|
||||
* @access private
|
||||
*/
|
||||
private function _setMinMax($table)
|
||||
{
|
||||
$this->_xMax = max($this->_xMax, $table->x + $table->width);
|
||||
$this->_yMax = max($this->_yMax, $table->y + $table->height);
|
||||
$this->_xMin = min($this->_xMin, $table->x);
|
||||
$this->_yMin = min($this->_yMin, $table->y);
|
||||
}
|
||||
|
||||
/**
|
||||
* Defines relation objects
|
||||
*
|
||||
* @param string $masterTable The master table name
|
||||
* @param string $font The font face
|
||||
* @param int $fontSize 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 $showInfo Whether to display table position or not
|
||||
*
|
||||
* @access private
|
||||
* @return nothing
|
||||
*
|
||||
* @see _setMinMax,Table_Stats::__construct(),Relation_Stats::__construct()
|
||||
*/
|
||||
private function _addRelation($masterTable,$font,$fontSize, $masterField,
|
||||
$foreignTable, $foreignField, $showInfo)
|
||||
{
|
||||
if (! isset($this->tables[$masterTable])) {
|
||||
$this->tables[$masterTable] = new Table_Stats(
|
||||
$masterTable, $font, $fontSize, $this->pageNumber,
|
||||
$this->_tablewidth, false, $showInfo
|
||||
);
|
||||
$this->_setMinMax($this->tables[$masterTable]);
|
||||
}
|
||||
if (! isset($this->tables[$foreignTable])) {
|
||||
$this->tables[$foreignTable] = new Table_Stats(
|
||||
$foreignTable, $font, $fontSize, $this->pageNumber,
|
||||
$this->_tablewidth, false, $showInfo
|
||||
);
|
||||
$this->_setMinMax($this->tables[$foreignTable]);
|
||||
}
|
||||
$this->_relations[] = new Relation_Stats(
|
||||
$this->tables[$masterTable], $masterField,
|
||||
$this->tables[$foreignTable], $foreignField
|
||||
);
|
||||
}
|
||||
|
||||
/**
|
||||
* Draws relation arrows and lines
|
||||
* connects master table's master field to
|
||||
* foreign table's forein field
|
||||
*
|
||||
* @param boolean $changeColor Whether to use one color per relation or not
|
||||
*
|
||||
* @return nothing
|
||||
* @access private
|
||||
*
|
||||
* @see Relation_Stats::relationDraw()
|
||||
*/
|
||||
private function _drawRelations($changeColor)
|
||||
{
|
||||
foreach ($this->_relations as $relation) {
|
||||
$relation->relationDraw($changeColor);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Draws tables
|
||||
*
|
||||
* @param boolean $changeColor Whether to show color for primary fields or not
|
||||
*
|
||||
* @return nothing
|
||||
* @access private
|
||||
*
|
||||
* @see Table_Stats::Table_Stats_tableDraw()
|
||||
*/
|
||||
private function _drawTables($changeColor)
|
||||
{
|
||||
foreach ($this->tables as $table) {
|
||||
$table->tableDraw($changeColor);
|
||||
}
|
||||
}
|
||||
}
|
||||
?>
|
||||
Reference in New Issue
Block a user