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<?php
/* vim: set expandtab sw=4 ts=4 sts=4: */
/**
* Contains PhpMyAdmin\Plugins\Schema\Svg\RelationStatsSvg class
*
* @package PhpMyAdmin
*/
namespace PhpMyAdmin\Plugins\Schema\Svg;
use PhpMyAdmin\Plugins\Schema\RelationStats;
/**
* 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.
*
* @package PhpMyAdmin
* @name Relation_Stats_Svg
* @see PMA_SVG::printElementLine
*/
class RelationStatsSvg extends RelationStats
{
/**
* The "PhpMyAdmin\Plugins\Schema\Svg\RelationStatsSvg" constructor
*
* @param object $diagram The SVG 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 = 10;
parent::__construct(
$diagram,
$master_table,
$master_field,
$foreign_table,
$foreign_field
);
}
/**
* draws relation links and arrows shows foreign key relations
*
* @param boolean $showColor Whether to use one color per relation or not
*
* @return void
* @access public
*
* @see PMA_SVG
*/
public function relationDraw($showColor)
{
if ($showColor) {
$listOfColors = array(
'#c00',
'#bbb',
'#333',
'#cb0',
'#0b0',
'#0bf',
'#b0b',
);
shuffle($listOfColors);
$color = $listOfColors[0];
} else {
$color = '#333';
}
$this->diagram->printElementLine(
'line',
$this->xSrc,
$this->ySrc,
$this->xSrc + $this->srcDir * $this->wTick,
$this->ySrc,
'stroke:' . $color . ';stroke-width:1;'
);
$this->diagram->printElementLine(
'line',
$this->xDest + $this->destDir * $this->wTick,
$this->yDest,
$this->xDest,
$this->yDest,
'stroke:' . $color . ';stroke-width:1;'
);
$this->diagram->printElementLine(
'line',
$this->xSrc + $this->srcDir * $this->wTick,
$this->ySrc,
$this->xDest + $this->destDir * $this->wTick,
$this->yDest,
'stroke:' . $color . ';stroke-width:1;'
);
$root2 = 2 * sqrt(2);
$this->diagram->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,
'stroke:' . $color . ';stroke-width:2;'
);
$this->diagram->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,
'stroke:' . $color . ';stroke-width:2;'
);
$this->diagram->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,
'stroke:' . $color . ';stroke-width:2;'
);
$this->diagram->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,
'stroke:' . $color . ';stroke-width:2;'
);
}
}