Viewing file:  RelationStatsPdf.class.php (4.09 KB) -rw-r--r--
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<?php
/* vim: set expandtab sw=4 ts=4 sts=4: */
/**
* Contains Relation_Stats_Pdf class
*
* @package PhpMyAdmin
*/
if (! defined('PHPMYADMIN')) {
exit;
}
require_once 'libraries/plugins/schema/RelationStats.class.php';
/**
* 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 PDF document.
*
* @name Relation_Stats_Pdf
* @package PhpMyAdmin
* @see PMA_Schema_PDF::SetDrawColor, PMA_Schema_PDF::setLineWidthScale,
* PMA_Schema_PDF::lineScale
*/
class Relation_Stats_Pdf extends RelationStats
{
/**
* The "Relation_Stats_Pdf" constructor
*
* @param object $diagram The PDF diagram
* @param string $master_table The master table name
* @param string $master_field The relation field in the master table
* @param string $foreign_table The foreign table name
* @param string $foreign_field The relation field in the foreign table
*/
public function __construct(
$diagram, $master_table, $master_field, $foreign_table,
$foreign_field
) {
$this->wTick = 5;
parent::__construct(
$diagram, $master_table, $master_field, $foreign_table, $foreign_field
);
}
/**
* draws relation links and arrows shows foreign key relations
*
* @param boolean $showColor Whether to use one color per relation or not
* @param integer $i The id of the link to draw
*
* @access public
*
* @return void
*
* @see PMA_Schema_PDF
*/
public function relationDraw($showColor, $i)
{
if ($showColor) {
$d = $i % 6;
$j = ($i - $d) / 6;
$j = $j % 4;
$j++;
$case = array(
array(1, 0, 0),
array(0, 1, 0),
array(0, 0, 1),
array(1, 1, 0),
array(1, 0, 1),
array(0, 1, 1)
);
list ($a, $b, $c) = $case[$d];
$e = (1 - ($j - 1) / 6);
$this->diagram->SetDrawColor($a * 255 * $e, $b * 255 * $e, $c * 255 * $e);
} else {
$this->diagram->SetDrawColor(0);
}
$this->diagram->setLineWidthScale(0.2);
$this->diagram->lineScale(
$this->xSrc,
$this->ySrc,
$this->xSrc + $this->srcDir * $this->wTick,
$this->ySrc
);
$this->diagram->lineScale(
$this->xDest + $this->destDir * $this->wTick,
$this->yDest,
$this->xDest,
$this->yDest
);
$this->diagram->setLineWidthScale(0.1);
$this->diagram->lineScale(
$this->xSrc + $this->srcDir * $this->wTick,
$this->ySrc,
$this->xDest + $this->destDir * $this->wTick,
$this->yDest
);
/*
* Draws arrows ->
*/
$root2 = 2 * sqrt(2);
$this->diagram->lineScale(
$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
);
$this->diagram->lineScale(
$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
);
$this->diagram->lineScale(
$this->xDest + $this->destDir * $this->wTick / 2,
$this->yDest,
$this->xDest + $this->destDir * (0.5 + 1 / $root2) * $this->wTick,
$this->yDest + $this->wTick / $root2
);
$this->diagram->lineScale(
$this->xDest + $this->destDir * $this->wTick / 2,
$this->yDest,
$this->xDest + $this->destDir * (0.5 + 1 / $root2) * $this->wTick,
$this->yDest - $this->wTick / $root2
);
$this->diagram->SetDrawColor(0);
}
}
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