238 lines
7.7 KiB
PHP
238 lines
7.7 KiB
PHP
|
<?php
|
||
|
|
/**
|
||
|
|
* Contains PhpMyAdmin\Plugins\Schema\Dia\RelationStatsDia class
|
||
|
|
*/
|
||
|
|
|
||
|
|
declare(strict_types=1);
|
||
|
|
|
||
|
|
namespace PhpMyAdmin\Plugins\Schema\Dia;
|
||
|
|
|
||
|
|
use function array_search;
|
||
|
|
use function shuffle;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* 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 dia XML document.
|
||
|
|
*/
|
||
|
|
class RelationStatsDia
|
||
|
|
{
|
||
|
|
/** @var Dia */
|
||
|
|
protected $diagram;
|
||
|
|
|
||
|
|
/** @var mixed */
|
||
|
|
public $srcConnPointsRight;
|
||
|
|
|
||
|
|
/** @var mixed */
|
||
|
|
public $srcConnPointsLeft;
|
||
|
|
|
||
|
|
/** @var mixed */
|
||
|
|
public $destConnPointsRight;
|
||
|
|
|
||
|
|
/** @var mixed */
|
||
|
|
public $destConnPointsLeft;
|
||
|
|
|
||
|
|
/** @var int */
|
||
|
|
public $masterTableId;
|
||
|
|
|
||
|
|
/** @var int */
|
||
|
|
public $foreignTableId;
|
||
|
|
|
||
|
|
/** @var mixed */
|
||
|
|
public $masterTablePos;
|
||
|
|
|
||
|
|
/** @var mixed */
|
||
|
|
public $foreignTablePos;
|
||
|
|
|
||
|
|
/** @var string */
|
||
|
|
public $referenceColor = '#000000';
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @see Relation_Stats_Dia::getXy
|
||
|
|
*
|
||
|
|
* @param Dia $diagram The DIA diagram
|
||
|
|
* @param TableStatsDia $master_table The master table name
|
||
|
|
* @param string $master_field The relation field in the master table
|
||
|
|
* @param TableStatsDia $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->diagram = $diagram;
|
||
|
|
$src_pos = $this->getXy($master_table, $master_field);
|
||
|
|
$dest_pos = $this->getXy($foreign_table, $foreign_field);
|
||
|
|
$this->srcConnPointsLeft = $src_pos[0];
|
||
|
|
$this->srcConnPointsRight = $src_pos[1];
|
||
|
|
$this->destConnPointsLeft = $dest_pos[0];
|
||
|
|
$this->destConnPointsRight = $dest_pos[1];
|
||
|
|
$this->masterTablePos = $src_pos[2];
|
||
|
|
$this->foreignTablePos = $dest_pos[2];
|
||
|
|
$this->masterTableId = $master_table->tableId;
|
||
|
|
$this->foreignTableId = $foreign_table->tableId;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Each Table object have connection points
|
||
|
|
* which is used to connect to other objects in Dia
|
||
|
|
* we detect the position of key in fields and
|
||
|
|
* then determines its left and right connection
|
||
|
|
* points.
|
||
|
|
*
|
||
|
|
* @param TableStatsDia $table The current table name
|
||
|
|
* @param string $column The relation column name
|
||
|
|
*
|
||
|
|
* @return array Table right,left connection points and key position
|
||
|
|
*/
|
||
|
|
private function getXy($table, $column)
|
||
|
|
{
|
||
|
|
$pos = array_search($column, $table->fields);
|
||
|
|
// left, right, position
|
||
|
|
$value = 12;
|
||
|
|
if ($pos != 0) {
|
||
|
|
return [
|
||
|
|
$pos + $value + $pos,
|
||
|
|
$pos + $value + $pos + 1,
|
||
|
|
$pos,
|
||
|
|
];
|
||
|
|
}
|
||
|
|
|
||
|
|
return [
|
||
|
|
$pos + $value,
|
||
|
|
$pos + $value + 1,
|
||
|
|
$pos,
|
||
|
|
];
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Draws relation references
|
||
|
|
*
|
||
|
|
* connects master table's master field to foreign table's
|
||
|
|
* foreign field using Dia object type Database - Reference
|
||
|
|
* Dia object is used to generate the XML of Dia Document.
|
||
|
|
* Database reference Object and their attributes are involved
|
||
|
|
* in the combination of displaying Database - reference on Dia Document.
|
||
|
|
*
|
||
|
|
* @see PDF
|
||
|
|
*
|
||
|
|
* @param bool $showColor Whether to use one color per relation or not
|
||
|
|
* if showColor is true then an array of $listOfColors
|
||
|
|
* will be used to choose the random colors for
|
||
|
|
* references lines. we can change/add more colors to
|
||
|
|
* this
|
||
|
|
*
|
||
|
|
* @return bool|void
|
||
|
|
*/
|
||
|
|
public function relationDraw($showColor)
|
||
|
|
{
|
||
|
|
++DiaRelationSchema::$objectId;
|
||
|
|
/*
|
||
|
|
* if source connection points and destination connection
|
||
|
|
* points are same then return it false and don't draw that
|
||
|
|
* relation
|
||
|
|
*/
|
||
|
|
if ($this->srcConnPointsRight == $this->destConnPointsRight) {
|
||
|
|
if ($this->srcConnPointsLeft == $this->destConnPointsLeft) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($showColor) {
|
||
|
|
$listOfColors = [
|
||
|
|
'FF0000',
|
||
|
|
'000099',
|
||
|
|
'00FF00',
|
||
|
|
];
|
||
|
|
shuffle($listOfColors);
|
||
|
|
$this->referenceColor = '#' . $listOfColors[0] . '';
|
||
|
|
} else {
|
||
|
|
$this->referenceColor = '#000000';
|
||
|
|
}
|
||
|
|
|
||
|
|
$this->diagram->writeRaw(
|
||
|
|
'<dia:object type="Database - Reference" version="0" id="'
|
||
|
|
. DiaRelationSchema::$objectId . '">
|
||
|
|
<dia:attribute name="obj_pos">
|
||
|
|
<dia:point val="3.27,18.9198"/>
|
||
|
|
</dia:attribute>
|
||
|
|
<dia:attribute name="obj_bb">
|
||
|
|
<dia:rectangle val="2.27,8.7175;17.7679,18.9198"/>
|
||
|
|
</dia:attribute>
|
||
|
|
<dia:attribute name="meta">
|
||
|
|
<dia:composite type="dict"/>
|
||
|
|
</dia:attribute>
|
||
|
|
<dia:attribute name="orth_points">
|
||
|
|
<dia:point val="3.27,18.9198"/>
|
||
|
|
<dia:point val="2.27,18.9198"/>
|
||
|
|
<dia:point val="2.27,14.1286"/>
|
||
|
|
<dia:point val="17.7679,14.1286"/>
|
||
|
|
<dia:point val="17.7679,9.3375"/>
|
||
|
|
<dia:point val="16.7679,9.3375"/>
|
||
|
|
</dia:attribute>
|
||
|
|
<dia:attribute name="orth_orient">
|
||
|
|
<dia:enum val="0"/>
|
||
|
|
<dia:enum val="1"/>
|
||
|
|
<dia:enum val="0"/>
|
||
|
|
<dia:enum val="1"/>
|
||
|
|
<dia:enum val="0"/>
|
||
|
|
</dia:attribute>
|
||
|
|
<dia:attribute name="orth_autoroute">
|
||
|
|
<dia:boolean val="true"/>
|
||
|
|
</dia:attribute>
|
||
|
|
<dia:attribute name="text_colour">
|
||
|
|
<dia:color val="#000000"/>
|
||
|
|
</dia:attribute>
|
||
|
|
<dia:attribute name="line_colour">
|
||
|
|
<dia:color val="' . $this->referenceColor . '"/>
|
||
|
|
</dia:attribute>
|
||
|
|
<dia:attribute name="line_width">
|
||
|
|
<dia:real val="0.10000000000000001"/>
|
||
|
|
</dia:attribute>
|
||
|
|
<dia:attribute name="line_style">
|
||
|
|
<dia:enum val="0"/>
|
||
|
|
<dia:real val="1"/>
|
||
|
|
</dia:attribute>
|
||
|
|
<dia:attribute name="corner_radius">
|
||
|
|
<dia:real val="0"/>
|
||
|
|
</dia:attribute>
|
||
|
|
<dia:attribute name="end_arrow">
|
||
|
|
<dia:enum val="22"/>
|
||
|
|
</dia:attribute>
|
||
|
|
<dia:attribute name="end_arrow_length">
|
||
|
|
<dia:real val="0.5"/>
|
||
|
|
</dia:attribute>
|
||
|
|
<dia:attribute name="end_arrow_width">
|
||
|
|
<dia:real val="0.5"/>
|
||
|
|
</dia:attribute>
|
||
|
|
<dia:attribute name="start_point_desc">
|
||
|
|
<dia:string>#1#</dia:string>
|
||
|
|
</dia:attribute>
|
||
|
|
<dia:attribute name="end_point_desc">
|
||
|
|
<dia:string>#n#</dia:string>
|
||
|
|
</dia:attribute>
|
||
|
|
<dia:attribute name="normal_font">
|
||
|
|
<dia:font family="monospace" style="0" name="Courier"/>
|
||
|
|
</dia:attribute>
|
||
|
|
<dia:attribute name="normal_font_height">
|
||
|
|
<dia:real val="0.59999999999999998"/>
|
||
|
|
</dia:attribute>
|
||
|
|
<dia:connections>
|
||
|
|
<dia:connection handle="0" to="'
|
||
|
|
. $this->masterTableId . '" connection="'
|
||
|
|
. $this->srcConnPointsRight . '"/>
|
||
|
|
<dia:connection handle="1" to="'
|
||
|
|
. $this->foreignTableId . '" connection="'
|
||
|
|
. $this->destConnPointsRight . '"/>
|
||
|
|
</dia:connections>
|
||
|
|
</dia:object>'
|
||
|
|
);
|
||
|
|
}
|
||
|
|
}
|