/usr/share/phpmyadmin/libraries/classes/Plugins/Schema/Dia
Edit: /usr/share/phpmyadmin/libraries/classes/Plugins/Schema/Dia/RelationStatsDia.php (7962B)
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 $column The relation column name
*
* @return array Table right,left connection points and key position
*
* @access private
*/
private function getXy($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 $listOfColors
* will be used to choose the random colors for
* references lines. we can change/add more colors to
* this
*
* @return bool|void
*
* @access public
*/
public function relationDraw($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(
'
#1#
#n#
'
);
}
}