diff options
Diffstat (limited to 'hugo/libraries/schema/Eps_Relation_Schema.class.php')
| -rw-r--r-- | hugo/libraries/schema/Eps_Relation_Schema.class.php | 957 |
1 files changed, 957 insertions, 0 deletions
diff --git a/hugo/libraries/schema/Eps_Relation_Schema.class.php b/hugo/libraries/schema/Eps_Relation_Schema.class.php new file mode 100644 index 0000000..57a91c0 --- /dev/null +++ b/hugo/libraries/schema/Eps_Relation_Schema.class.php @@ -0,0 +1,957 @@ +<?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 is EPS Library and + * helps in developing structure of EPS Schema Export + * + * @access public + * @see http://php.net/manual/en/book.xmlwriter.php + */ + +class PMA_EPS +{ + public $font; + public $fontSize; + public $stringCommands; + + /** + * The "PMA_EPS" constructor + * + * Upon instantiation This starts writing the EPS Document. + * %!PS-Adobe-3.0 EPSF-3.0 This is the MUST first comment to include + * it shows/tells that the Post Script document is purely under + * Document Structuring Convention [DSC] and is Compliant + * Encapsulated Post Script Document + * + * @return void + * @access public + */ + function __construct() + { + $this->stringCommands = ""; + $this->stringCommands .= "%!PS-Adobe-3.0 EPSF-3.0 \n"; + } + + /** + * Set document title + * + * @param string $value sets the title text + * + * @return void + * + * @access public + */ + function setTitle($value) + { + $this->stringCommands .= '%%Title: ' . $value . "\n"; + } + + /** + * Set document author + * + * @param string $value sets the author + * + * @return void + * + * @access public + */ + function setAuthor($value) + { + $this->stringCommands .= '%%Creator: ' . $value . "\n"; + } + + /** + * Set document creation date + * + * @param string $value sets the date + * + * @return void + * + * @access public + */ + function setDate($value) + { + $this->stringCommands .= '%%CreationDate: ' . $value . "\n"; + } + + /** + * Set document orientation + * + * @param string $value sets the author + * + * @return void + * + * @access public + */ + function setOrientation($value) + { + $this->stringCommands .= "%%PageOrder: Ascend \n"; + if ($value == "L") { + $value = "Landscape"; + $this->stringCommands .= '%%Orientation: ' . $value . "\n"; + } else { + $value = "Portrait"; + $this->stringCommands .= '%%Orientation: ' . $value . "\n"; + } + $this->stringCommands .= "%%EndComments \n"; + $this->stringCommands .= "%%Pages 1 \n"; + $this->stringCommands .= "%%BoundingBox: 72 150 144 170 \n"; + } + + /** + * Set the font and size + * + * font can be set whenever needed in EPS + * + * @param string $value sets the font name e.g Arial + * @param integer $size sets the size of the font e.g 10 + * + * @return void + * + * @access public + */ + function setFont($value, $size) + { + $this->font = $value; + $this->fontSize = $size; + $this->stringCommands .= "/" . $value . " findfont % Get the basic font\n"; + $this->stringCommands .= "" . $size . " scalefont % Scale the font to $size points\n"; + $this->stringCommands .= "setfont % Make it the current font\n"; + } + + /** + * Get the font + * + * @return string return the font name e.g Arial + * @access public + */ + function getFont() + { + return $this->font; + } + + /** + * Get the font Size + * + * @return string return the size of the font e.g 10 + * @access public + */ + function getFontSize() + { + return $this->fontSize; + } + + /** + * Draw the line + * + * drawing the lines from x,y source to x,y destination and set the + * width of the line. lines helps in showing relationships of tables + * + * @param integer $x_from The x_from attribute defines the start + * left position of the element + * @param integer $y_from The y_from attribute defines the start + * right position of the element + * @param integer $x_to The x_to attribute defines the end + * left position of the element + * @param integer $y_to The y_to attribute defines the end + * right position of the element + * @param integer $lineWidth Sets the width of the line e.g 2 + * + * @return void + * + * @access public + */ + function line($x_from = 0, $y_from = 0, $x_to = 0, $y_to = 0, $lineWidth = 0) + { + $this->stringCommands .= $lineWidth . " setlinewidth \n"; + $this->stringCommands .= $x_from . ' ' . $y_from . " moveto \n"; + $this->stringCommands .= $x_to . ' ' . $y_to . " lineto \n"; + $this->stringCommands .= "stroke \n"; + } + + /** + * Draw the rectangle + * + * drawing the rectangle from x,y source to x,y destination and set the + * width of the line. rectangles drawn around the text shown of fields + * + * @param integer $x_from The x_from attribute defines the start + left position of the element + * @param integer $y_from The y_from attribute defines the start + right position of the element + * @param integer $x_to The x_to attribute defines the end + left position of the element + * @param integer $y_to The y_to attribute defines the end + right position of the element + * @param integer $lineWidth Sets the width of the line e.g 2 + * + * @return void + * + * @access public + */ + function rect($x_from, $y_from, $x_to, $y_to, $lineWidth) + { + $this->stringCommands .= $lineWidth . " setlinewidth \n"; + $this->stringCommands .= "newpath \n"; + $this->stringCommands .= $x_from . " " . $y_from . " moveto \n"; + $this->stringCommands .= "0 " . $y_to . " rlineto \n"; + $this->stringCommands .= $x_to . " 0 rlineto \n"; + $this->stringCommands .= "0 -" . $y_to . " rlineto \n"; + $this->stringCommands .= "closepath \n"; + $this->stringCommands .= "stroke \n"; + } + + /** + * Set the current point + * + * The moveto operator takes two numbers off the stack and treats + * them as x and y coordinates to which to move. The coordinates + * specified become the current point. + * + * @param integer $x The x attribute defines the left position of the element + * @param integer $y The y attribute defines the right position of the element + * + * @return void + * + * @access public + */ + function moveTo($x, $y) + { + $this->stringCommands .= $x . ' ' . $y . " moveto \n"; + } + + /** + * Output/Display the text + * + * @param string $text The string to be displayed + * + * @return void + * + * @access public + */ + function show($text) + { + $this->stringCommands .= '(' . $text . ") show \n"; + } + + /** + * Output the text at specified co-ordinates + * + * @param string $text String to be displayed + * @param integer $x X attribute defines the left position of the element + * @param integer $y Y attribute defines the right position of the element + * + * @return void + * + * @access public + */ + function showXY($text, $x, $y) + { + $this->moveTo($x, $y); + $this->show($text); + } + + /** + * get width of string/text + * + * EPS text 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 better than this. + * if someone found better than this. would love to hear that method + * + * @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); + } + + /** + * Ends EPS Document + * + * @return void + * @access public + */ + function endEpsDoc() + { + $this->stringCommands .= "showpage \n"; + } + + /** + * Output EPS Document for download + * + * @param string $fileName name of the eps document + * + * @return void + * + * @access public + */ + function showOutput($fileName) + { + // if(ob_get_clean()){ + //ob_end_clean(); + //} + $output = $this->stringCommands; + PMA_Response::getInstance()->disable(); + PMA_downloadHeader($fileName . '.eps', 'image/x-eps', strlen($output)); + print $output; + } +} + +/** + * Table preferences/statistics + * + * This class preserves the table co-ordinates,fields + * and helps in drawing/generating the Tables in EPS. + * + * @name Table_Stats + * @see PMA_EPS + */ +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 The font name + * @param integer $fontSize The font size + * @param integer $pageNumber Page number + * @param integer &$same_wide_width The max width among tables + * @param boolean $showKeys Whether to display keys or not + * @param boolean $showInfo Whether to display table position or not + * + * @global object The current eps 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_EPS, Table_Stats::Table_Stats_setWidth, + * Table_Stats::Table_Stats_setHeight + */ + function __construct( + $tableName, $font, $fontSize, $pageNumber, &$same_wide_width, + $showKeys = false, $showInfo = false + ) { + global $eps, $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)) { + $eps->dieSchema( + $pageNumber, "EPS", + 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)) { + $eps->dieSchema( + $pageNumber, "EPS", + 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[] = $row['Column_name']; + } + } + } + } + + /** + * Returns title of the current table, + * title can have the dimensions/co-ordinates of the table + * + * @return string The relation/table name + * @access private + */ + private function _getTitle() + { + return ($this->_showInfo + ? sprintf('%.0f', $this->width) . 'x' . sprintf('%.0f', $this->heightCell) + : '') . ' ' . $this->_tableName; + } + + /** + * Sets the width of the table + * + * @param string $font The font name + * @param integer $fontSize The font size + * + * @global object The current eps document + * + * @return void + * + * @access private + * @see PMA_EPS + */ + private function _setWidthTable($font,$fontSize) + { + global $eps; + + foreach ($this->fields as $field) { + $this->width = max( + $this->width, + $eps->getStringWidth($field, $font, $fontSize) + ); + } + $this->width += $eps->getStringWidth(' ', $font, $fontSize); + /* + * it is unknown what value must be added, because + * table title is affected by the tabe width value + */ + while ($this->width < $eps->getStringWidth($this->_getTitle(), $font, $fontSize)) { + $this->width += 7; + } + } + + /** + * Sets the height of the table + * + * @param integer $fontSize The font size + * + * @return void + * @access private + */ + private function _setHeightTable($fontSize) + { + $this->heightCell = $fontSize + 4; + $this->height = (count($this->fields) + 1) * $this->heightCell; + } + + /** + * Draw the table + * + * @param boolean $showColor Whether to display color + * + * @global object The current eps document + * + * @return void + * + * @access public + * @see PMA_EPS,PMA_EPS::line,PMA_EPS::rect + */ + public function tableDraw($showColor) + { + global $eps; + //echo $this->_tableName.'<br />'; + $eps->rect($this->x, $this->y + 12, $this->width, $this->heightCell, 1); + $eps->showXY($this->_getTitle(), $this->x + 5, $this->y + 14); + foreach ($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'; + } + } + $eps->rect( + $this->x, $this->y + 12 + $this->currentCell, + $this->width, $this->heightCell, 1 + ); + $eps->showXY($field, $this->x + 5, $this->y + 14 + $this->currentCell); + } + } +} + +/** + * Relation preferences/statistics + * + * This class fetches the table master and foreign fields positions + * and helps in generating the Table references and then connects + * master table's master field to foreign table's foreign key + * in EPS document. + * + * @name Relation_Stats + * @see PMA_EPS + */ +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 $foreign_field The relation field in the foreign table + * + * @see Relation_Stats::_getXy + */ + function __construct($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] + 10; + $this->yDest = $dest_pos[2] + 10; + } + + /** + * Gets arrows coordinates + * + * @param string $table The current table name + * @param string $column The relation column name + * + * @return array Arrows coordinates + * + * @access private + */ + private function _getXy($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 $changeColor Whether to use one color per relation or not + * + * @global object The current EPS document + * + * @access public + * @see PMA_EPS + * + * @return void + */ + public function relationDraw($changeColor) + { + global $eps; + + if ($changeColor) { + $listOfColors = array( + 'red', + 'grey', + 'black', + 'yellow', + 'green', + 'cyan', + ' orange' + ); + shuffle($listOfColors); + $color = $listOfColors[0]; + } else { + $color = 'black'; + } + // draw a line like -- to foreign field + $eps->line( + $this->xSrc, + $this->ySrc, + $this->xSrc + $this->srcDir * $this->wTick, + $this->ySrc, + 1 + ); + // draw a line like -- to master field + $eps->line( + $this->xDest + $this->destDir * $this->wTick, + $this->yDest, + $this->xDest, + $this->yDest, + 1 + ); + // draw a line that connects to master field line and foreign field line + $eps->line( + $this->xSrc + $this->srcDir * $this->wTick, + $this->ySrc, + $this->xDest + $this->destDir * $this->wTick, + $this->yDest, + 1 + ); + $root2 = 2 * sqrt(2); + $eps->line( + $this->xSrc + $this->srcDir * $this->wTick * 0.75, + $this->ySrc, + $this->xSrc + $this->srcDir * (0.75 - 1 / $root2) * $this->wTick, + $this->ySrc + $this->wTick / $root2, + 1 + ); + $eps->line( + $this->xSrc + $this->srcDir * $this->wTick * 0.75, + $this->ySrc, + $this->xSrc + $this->srcDir * (0.75 - 1 / $root2) * $this->wTick, + $this->ySrc - $this->wTick / $root2, + 1 + ); + $eps->line( + $this->xDest + $this->destDir * $this->wTick / 2, + $this->yDest, + $this->xDest + $this->destDir * (0.5 + 1 / $root2) * $this->wTick, + $this->yDest + $this->wTick / $root2, + 1 + ); + $eps->line( + $this->xDest + $this->destDir * $this->wTick / 2, + $this->yDest, + $this->xDest + $this->destDir * (0.5 + 1 / $root2) * $this->wTick, + $this->yDest - $this->wTick / $root2, + 1 + ); + } +} +/* +* end of the "Relation_Stats" class +*/ + +/** + * EPS Relation Schema Class + * + * Purpose of this class is to generate the EPS Document + * which is used for representing the database diagrams. + * This class uses post script commands and with + * the combination of these commands actually helps in preparing EPS Document. + * + * This class inherits Export_Relation_Schema class has common functionality added + * to this class + * + * @name Eps_Relation_Schema + */ +class PMA_Eps_Relation_Schema extends PMA_Export_Relation_Schema +{ + private $_tables = array(); + private $_relations = array(); + + /** + * The "PMA_EPS_Relation_Schema" constructor + * + * Upon instantiation This starts writing the EPS document + * user will be prompted for download as .eps extension + * + * @return void + * @see PMA_EPS + */ + function __construct() + { + global $eps,$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'])); + $this->setOrientation($_POST['orientation']); + $this->setExportType($_POST['export_type']); + + $eps = new PMA_EPS(); + $eps->setTitle( + sprintf( + __('Schema of the %s database - Page %s'), + $db, + $this->pageNumber + ) + ); + $eps->setAuthor('phpMyAdmin ' . PMA_VERSION); + $eps->setDate(date("j F Y, g:i a")); + $eps->setOrientation($this->orientation); + $eps->setFont('Verdana', '10'); + + $alltables = $this->getAllTables($db, $this->pageNumber); + + foreach ($alltables AS $table) { + if (! isset($this->_tables[$table])) { + $this->_tables[$table] = new Table_Stats( + $table, $eps->getFont(), $eps->getFontSize(), $this->pageNumber, + $this->_tablewidth, $this->showKeys, $this->tableDimension + ); + } + + if ($this->sameWide) { + $this->_tables[$table]->width = $this->_tablewidth; + } + } + + $seen_a_relation = false; + foreach ($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, $eps->getFont(), $eps->getFontSize(), + $master_field, $rel['foreign_table'], + $rel['foreign_field'], $this->tableDimension + ); + } + } + } + } + if ($seen_a_relation) { + $this->_drawRelations($this->showColor); + } + + $this->_drawTables($this->showColor); + $eps->endEpsDoc(); + $eps->showOutput($db.'-'.$this->pageNumber); + exit(); + } + + /** + * Defines relation objects + * + * @param string $masterTable The master table name + * @param string $font The font + * @param int $fontSize The font size + * @param string $masterField The relation field in the master table + * @param string $foreignTable The foreign table name + * @param string $foreignField The relation field in the foreign table + * @param boolean $showInfo Whether to display table position or not + * + * @return void + * + * @access private + * @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, $showInfo + ); + } + if (! isset($this->_tables[$foreignTable])) { + $this->_tables[$foreignTable] = new Table_Stats( + $foreignTable, $font, $fontSize, $this->pageNumber, + $this->_tablewidth, false, $showInfo + ); + } + $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); + } + } +} +?> |