139 lines
4.2 KiB
PHP
139 lines
4.2 KiB
PHP
<?php
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/* vim: set expandtab sw=4 ts=4 sts=4: */
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/**
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* Contains PhpMyAdmin\Plugins\Schema\Svg\RelationStatsSvg class
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*
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* @package PhpMyAdmin
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*/
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namespace PhpMyAdmin\Plugins\Schema\Svg;
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use PhpMyAdmin\Plugins\Schema\RelationStats;
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/**
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* Relation preferences/statistics
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*
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* This class fetches the table master and foreign fields positions
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* and helps in generating the Table references and then connects
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* master table's master field to foreign table's foreign key
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* in SVG XML document.
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*
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* @package PhpMyAdmin
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* @name Relation_Stats_Svg
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* @see PMA_SVG::printElementLine
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*/
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class RelationStatsSvg extends RelationStats
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{
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/**
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* The "PhpMyAdmin\Plugins\Schema\Svg\RelationStatsSvg" constructor
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*
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* @param object $diagram The SVG diagram
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* @param string $master_table The master table name
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* @param string $master_field The relation field in the master table
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* @param string $foreign_table The foreign table name
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* @param string $foreign_field The relation field in the foreign table
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*/
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public function __construct(
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$diagram,
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$master_table,
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$master_field,
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$foreign_table,
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$foreign_field
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) {
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$this->wTick = 10;
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parent::__construct(
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$diagram,
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$master_table,
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$master_field,
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$foreign_table,
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$foreign_field
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);
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}
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/**
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* draws relation links and arrows shows foreign key relations
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*
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* @param boolean $showColor Whether to use one color per relation or not
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*
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* @return void
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* @access public
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*
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* @see PMA_SVG
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*/
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public function relationDraw($showColor)
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{
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if ($showColor) {
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$listOfColors = array(
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'#c00',
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'#bbb',
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'#333',
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'#cb0',
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'#0b0',
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'#0bf',
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'#b0b',
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);
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shuffle($listOfColors);
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$color = $listOfColors[0];
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} else {
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$color = '#333';
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}
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$this->diagram->printElementLine(
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'line',
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$this->xSrc,
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$this->ySrc,
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$this->xSrc + $this->srcDir * $this->wTick,
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$this->ySrc,
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'stroke:' . $color . ';stroke-width:1;'
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);
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$this->diagram->printElementLine(
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'line',
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$this->xDest + $this->destDir * $this->wTick,
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$this->yDest,
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$this->xDest,
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$this->yDest,
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'stroke:' . $color . ';stroke-width:1;'
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);
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$this->diagram->printElementLine(
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'line',
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$this->xSrc + $this->srcDir * $this->wTick,
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$this->ySrc,
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$this->xDest + $this->destDir * $this->wTick,
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$this->yDest,
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'stroke:' . $color . ';stroke-width:1;'
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);
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$root2 = 2 * sqrt(2);
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$this->diagram->printElementLine(
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'line',
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$this->xSrc + $this->srcDir * $this->wTick * 0.75,
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$this->ySrc,
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$this->xSrc + $this->srcDir * (0.75 - 1 / $root2) * $this->wTick,
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$this->ySrc + $this->wTick / $root2,
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'stroke:' . $color . ';stroke-width:2;'
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);
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$this->diagram->printElementLine(
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'line',
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$this->xSrc + $this->srcDir * $this->wTick * 0.75,
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$this->ySrc,
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$this->xSrc + $this->srcDir * (0.75 - 1 / $root2) * $this->wTick,
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$this->ySrc - $this->wTick / $root2,
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'stroke:' . $color . ';stroke-width:2;'
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);
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$this->diagram->printElementLine(
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'line',
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$this->xDest + $this->destDir * $this->wTick / 2,
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$this->yDest,
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$this->xDest + $this->destDir * (0.5 + 1 / $root2) * $this->wTick,
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$this->yDest + $this->wTick / $root2,
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'stroke:' . $color . ';stroke-width:2;'
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);
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$this->diagram->printElementLine(
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'line',
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$this->xDest + $this->destDir * $this->wTick / 2,
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$this->yDest,
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$this->xDest + $this->destDir * (0.5 + 1 / $root2) * $this->wTick,
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$this->yDest - $this->wTick / $root2,
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'stroke:' . $color . ';stroke-width:2;'
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);
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}
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}
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