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Guilhem Lavaux 2024-11-23 20:45:29 +01:00
parent 41ce1aa076
commit ea0eb1c6e0
4222 changed files with 721797 additions and 14 deletions
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146
admin/phpMyAdmin/libraries/classes/Plugins/Schema/Pdf/RelationStatsPdf.php Normal file
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<?php
/**
* Contains PhpMyAdmin\Plugins\Schema\Pdf\RelationStatsPdf class
*/
declare(strict_types=1);
namespace PhpMyAdmin\Plugins\Schema\Pdf;
use PhpMyAdmin\Plugins\Schema\RelationStats;
use function sqrt;
/**
* 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.
*
* @see Schema\Pdf::setDrawColor
* @see Schema\Pdf::setLineWidthScale
* @see Pdf::lineScale
*/
class RelationStatsPdf extends RelationStats
{
/**
* @param Pdf $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
*
* @see Pdf
*
* @param bool $showColor Whether to use one color per relation or not
* @param int $i The id of the link to draw
*/
public function relationDraw($showColor, $i): void
{
if ($showColor) {
$d = $i % 6;
$j = ($i - $d) / 6;
$j %= 4;
$j++;
$case = [
[
1,
0,
0,
],
[
0,
1,
0,
],
[
0,
0,
1,
],
[
1,
1,
0,
],
[
1,
0,
1,
],
[
0,
1,
1,
],
];
[$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);
}
}