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diff --git a/hugo/libraries/schema/Svg_Relation_Schema.class.php b/hugo/libraries/schema/Svg_Relation_Schema.class.php
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+<?php
+/* vim: set expandtab sw=4 ts=4 sts=4: */
+/**
+ *
+ * @package PhpMyAdmin
+ */
+if (! defined('PHPMYADMIN')) {
+ exit;
+}
+
+require_once 'Export_Relation_Schema.class.php';
+
+/**
+ * This Class inherits the XMLwriter class and
+ * helps in developing structure of SVG Schema Export
+ *
+ * @access public
+ * @see http://php.net/manual/en/book.xmlwriter.php
+ */
+class PMA_SVG extends XMLWriter
+{
+ public $title;
+ public $author;
+ public $font;
+ public $fontSize;
+
+ /**
+ * The "PMA_SVG" constructor
+ *
+ * Upon instantiation This starts writing the Svg XML document
+ *
+ * @return void
+ * @see XMLWriter::openMemory(),XMLWriter::setIndent(),XMLWriter::startDocument()
+ */
+ function __construct()
+ {
+ $this->openMemory();
+ /*
+ * Set indenting using three spaces,
+ * so output is formatted
+ */
+
+ $this->setIndent(true);
+ $this->setIndentString(' ');
+ /*
+ * Create the XML document
+ */
+
+ $this->startDocument('1.0', 'UTF-8');
+ $this->startDtd(
+ 'svg', '-//W3C//DTD SVG 1.1//EN',
+ 'http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd'
+ );
+ $this->endDtd();
+ }
+
+ /**
+ * Set document title
+ *
+ * @param string $value sets the title text
+ *
+ * @return void
+ * @access public
+ */
+ function setTitle($value)
+ {
+ $this->title = $value;
+ }
+
+ /**
+ * Set document author
+ *
+ * @param string $value sets the author
+ *
+ * @return void
+ * @access public
+ */
+ function setAuthor($value)
+ {
+ $this->author = $value;
+ }
+
+ /**
+ * Set document font
+ *
+ * @param string $value sets the font e.g Arial, Sans-serif etc
+ *
+ * @return void
+ * @access public
+ */
+ function setFont($value)
+ {
+ $this->font = $value;
+ }
+
+ /**
+ * Get document font
+ *
+ * @return string returns the font name
+ * @access public
+ */
+ function getFont()
+ {
+ return $this->font;
+ }
+
+ /**
+ * Set document font size
+ *
+ * @param string $value sets the font size in pixels
+ *
+ * @return void
+ * @access public
+ */
+ function setFontSize($value)
+ {
+ $this->fontSize = $value;
+ }
+
+ /**
+ * Get document font size
+ *
+ * @return string returns the font size
+ * @access public
+ */
+ function getFontSize()
+ {
+ return $this->fontSize;
+ }
+
+ /**
+ * Starts Svg Document
+ *
+ * svg document starts by first initializing svg tag
+ * which contains all the attributes and namespace that needed
+ * to define the svg document
+ *
+ * @param integer $width total width of the Svg document
+ * @param integer $height total height of the Svg document
+ *
+ * @return void
+ * @access public
+ *
+ * @see XMLWriter::startElement(),XMLWriter::writeAttribute()
+ */
+ function startSvgDoc($width,$height)
+ {
+ $this->startElement('svg');
+ $this->writeAttribute('width', $width);
+ $this->writeAttribute('height', $height);
+ $this->writeAttribute('xmlns', 'http://www.w3.org/2000/svg');
+ $this->writeAttribute('version', '1.1');
+ }
+
+ /**
+ * Ends Svg Document
+ *
+ * @return void
+ * @access public
+ * @see XMLWriter::endElement(),XMLWriter::endDocument()
+ */
+ function endSvgDoc()
+ {
+ $this->endElement();
+ $this->endDocument();
+ }
+
+ /**
+ * output Svg Document
+ *
+ * svg document prompted to the user for download
+ * Svg document saved in .svg extension and can be
+ * easily changeable by using any svg IDE
+ *
+ * @param string $fileName file name
+ *
+ * @return void
+ * @access public
+ * @see XMLWriter::startElement(),XMLWriter::writeAttribute()
+ */
+ function showOutput($fileName)
+ {
+ //ob_get_clean();
+ $output = $this->flush();
+ PMA_Response::getInstance()->disable();
+ PMA_downloadHeader($fileName . '.svg', 'image/svg+xml', strlen($output));
+ print $output;
+ }
+
+ /**
+ * Draws Svg elements
+ *
+ * SVG has some predefined shape elements like rectangle & text
+ * and other elements who have x,y co-ordinates are drawn.
+ * specify their width and height and can give styles too.
+ *
+ * @param string $name Svg element name
+ * @param integer $x The x attr defines the left position of the element
+ * (e.g. x="0" places the element 0 pixels from the left of the browser window)
+ * @param integer $y The y attribute defines the top position of the element
+ * (e.g. y="0" places the element 0 pixels from the top of the browser window)
+ * @param integer $width The width attribute defines the width the element
+ * @param integer $height The height attribute defines the height the element
+ * @param string $text The text attribute defines the text the element
+ * @param string $styles The style attribute defines the style the element
+ * styles can be defined like CSS styles
+ *
+ * @return void
+ * @access public
+ *
+ * @see XMLWriter::startElement(), XMLWriter::writeAttribute(),
+ * XMLWriter::text(), XMLWriter::endElement()
+ */
+ function printElement($name, $x, $y, $width = '', $height = '', $text = '', $styles = '')
+ {
+ $this->startElement($name);
+ $this->writeAttribute('width', $width);
+ $this->writeAttribute('height', $height);
+ $this->writeAttribute('x', $x);
+ $this->writeAttribute('y', $y);
+ $this->writeAttribute('style', $styles);
+ if (isset($text)) {
+ $this->writeAttribute('font-family', $this->font);
+ $this->writeAttribute('font-size', $this->fontSize);
+ $this->text($text);
+ }
+ $this->endElement();
+ }
+
+ /**
+ * Draws Svg Line element
+ *
+ * Svg line element is drawn for connecting the tables.
+ * arrows are also drawn by specify its start and ending
+ * co-ordinates
+ *
+ * @param string $name Svg element name i.e line
+ * @param integer $x1 Defines the start of the line on the x-axis
+ * @param integer $y1 Defines the start of the line on the y-axis
+ * @param integer $x2 Defines the end of the line on the x-axis
+ * @param integer $y2 Defines the end of the line on the y-axis
+ * @param string $styles The style attribute defines the style the element
+ * styles can be defined like CSS styles
+ *
+ * @return void
+ * @access public
+ *
+ * @see XMLWriter::startElement(), XMLWriter::writeAttribute(),
+ * XMLWriter::endElement()
+ */
+ function printElementLine($name,$x1,$y1,$x2,$y2,$styles)
+ {
+ $this->startElement($name);
+ $this->writeAttribute('x1', $x1);
+ $this->writeAttribute('y1', $y1);
+ $this->writeAttribute('x2', $x2);
+ $this->writeAttribute('y2', $y2);
+ $this->writeAttribute('style', $styles);
+ $this->endElement();
+ }
+
+ /**
+ * get width of string/text
+ *
+ * Svg text element width is calcualted depending on font name
+ * and font size. It is very important to know the width of text
+ * because rectangle is drawn around it.
+ *
+ * This is a bit hardcore method. I didn't found any other than this.
+ *
+ * @param string $text string that width will be calculated
+ * @param integer $font name of the font like Arial,sans-serif etc
+ * @param integer $fontSize size of font
+ *
+ * @return integer width of the text
+ * @access public
+ */
+ function getStringWidth($text,$font,$fontSize)
+ {
+ /*
+ * Start by counting the width, giving each character a modifying value
+ */
+ $count = 0;
+ $count = $count + ((strlen($text) - strlen(str_replace(array("i", "j", "l"), "", $text))) * 0.23);//ijl
+ $count = $count + ((strlen($text) - strlen(str_replace(array("f"), "", $text))) * 0.27);//f
+ $count = $count + ((strlen($text) - strlen(str_replace(array("t", "I"), "", $text))) * 0.28);//tI
+ $count = $count + ((strlen($text) - strlen(str_replace(array("r"), "", $text))) * 0.34);//r
+ $count = $count + ((strlen($text) - strlen(str_replace(array("1"), "", $text))) * 0.49);//1
+ $count = $count + ((strlen($text) - strlen(str_replace(array("c", "k", "s", "v", "x", "y", "z", "J"), "", $text))) * 0.5);//cksvxyzJ
+ $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
+ $count = $count + ((strlen($text) - strlen(str_replace(array("F", "T", "Z"), "", $text))) * 0.61);//FTZ
+ $count = $count + ((strlen($text) - strlen(str_replace(array("A", "B", "E", "K", "P", "S", "V", "X", "Y"), "", $text))) * 0.67);//ABEKPSVXY
+ $count = $count + ((strlen($text) - strlen(str_replace(array("w", "C", "D", "H", "N", "R", "U"), "", $text))) * 0.73);//wCDHNRU
+ $count = $count + ((strlen($text) - strlen(str_replace(array("G", "O", "Q"), "", $text))) * 0.78);//GOQ
+ $count = $count + ((strlen($text) - strlen(str_replace(array("m", "M"), "", $text))) * 0.84);//mM
+ $count = $count + ((strlen($text) - strlen(str_replace("W", "", $text))) * .95);//W
+ $count = $count + ((strlen($text) - strlen(str_replace(" ", "", $text))) * .28);//" "
+ $text = str_replace(" ", "", $text);//remove the " "'s
+ $count = $count + (strlen(preg_replace("/[a-z0-9]/i", "", $text)) * 0.3); //all other chrs
+
+ $modifier = 1;
+ $font = strtolower($font);
+ switch ($font) {
+ /*
+ * no modifier for arial and sans-serif
+ */
+ case 'arial':
+ case 'sans-serif':
+ break;
+ /*
+ * .92 modifer for time, serif, brushscriptstd, and californian fb
+ */
+ case 'times':
+ case 'serif':
+ case 'brushscriptstd':
+ case 'californian fb':
+ $modifier = .92;
+ break;
+ /*
+ * 1.23 modifier for broadway
+ */
+ case 'broadway':
+ $modifier = 1.23;
+ break;
+ }
+ $textWidth = $count*$fontSize;
+ 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;
+ $sql = 'DESCRIBE ' . PMA_Util::backquote($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
+ $sql = 'SELECT x, y FROM '
+ . PMA_Util::backquote($GLOBALS['cfgRelation']['db']) . '.'
+ . PMA_Util::backquote($cfgRelation['table_coords'])
+ . ' WHERE db_name = \'' . PMA_Util::sqlAddSlashes($db) . '\''
+ . ' AND table_name = \'' . PMA_Util::sqlAddSlashes($tableName) . '\''
+ . ' AND pdf_page_number = ' . $pageNumber;
+ $result = PMA_queryAsControlUser($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
+ $result = PMA_DBI_query(
+ 'SHOW INDEX FROM ' . PMA_Util::backquote($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 $fontSize The font size
+ *
+ * @global object The current SVG image document
+ *
+ * @return void
+ * @access private
+ *
+ * @see PMA_SVG
+ */
+ private function _setWidthTable($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 $fontSize font size
+ *
+ * @return void
+ * @access private
+ */
+ function _setHeightTable($fontSize)
+ {
+ $this->heightCell = $fontSize + 4;
+ $this->height = (count($this->fields) + 1) * $this->heightCell;
+ }
+
+ /**
+ * draw the table
+ *
+ * @param boolean $showColor Whether to display color
+ *
+ * @global object The current SVG image document
+ *
+ * @access public
+ * @return void
+ *
+ * @see PMA_SVG,PMA_SVG::printElement
+ */
+ public function tableDraw($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 $foreign_field The relation field in the foreign table
+ *
+ * @return void
+ *
+ * @see Relation_Stats::_getXy
+ */
+ function __construct($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 $changeColor Whether to use one color per relation or not
+ *
+ * @global object The current SVG image document
+ *
+ * @return void
+ * @access public
+ *
+ * @see PMA_SVG
+ */
+ public function relationDraw($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 $_xMin = 100000;
+ private $_yMin = 100000;
+ 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']));
+ $this->setAllTablesSameWidth(isset($_POST['all_tables_same_width']));
+ $this->setExportType($_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 $table The table name
+ *
+ * @return void
+ * @access private
+ */
+ private function _setMinMax($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 void
+ *
+ * @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 $changeColor Whether to use one color per relation or not
+ *
+ * @return void
+ * @access private
+ *
+ * @see Relation_Stats::relationDraw()
+ */
+ private function _drawRelations($changeColor)
+ {
+ foreach ($this->_relations as $relation) {
+ $relation->relationDraw($changeColor);
+ }
+ }
+
+ /**
+ * Draws tables
+ *
+ * @param boolean $changeColor Whether to show color for primary fields or not
+ *
+ * @return void
+ * @access private
+ *
+ * @see Table_Stats::Table_Stats_tableDraw()
+ */
+ private function _drawTables($changeColor)
+ {
+ foreach ($this->_tables as $table) {
+ $table->tableDraw($changeColor);
+ }
+ }
+}
+?>