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<?php |
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/** |
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* File containing the {@see Mistralys\WidthsCalculator\Calculator\LeftoverFiller} class. |
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* |
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* @package WidthsCalculator |
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* @see Mistralys\WidthsCalculator\Calculator\LeftoverFiller |
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*/ |
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declare (strict_types=1); |
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namespace Mistralys\WidthsCalculator\Calculator; |
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use Mistralys\WidthsCalculator\Calculator; |
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/** |
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* Handles filling any percentages missing to reach the full 100%. |
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* |
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* @package WidthsCalculator |
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* @author Sebastian Mordziol <[email protected]> |
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*/ |
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class LeftoverFiller |
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{ |
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/** |
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* @var Calculator |
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*/ |
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private $calculator; |
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/** |
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* @var Operations |
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*/ |
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private $operations; |
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/** |
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* @var Column[] |
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*/ |
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private $columns = array(); |
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public function __construct(Calculator $calculator) |
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{ |
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$this->calculator = $calculator; |
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$this->operations = $calculator->getOperations(); |
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$this->columns = $calculator->getColumns(); |
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} |
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public function fill() : void |
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{ |
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$leftover = $this->calculator->getMaxTotal() - $this->operations->calcTotal(); |
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$perCol = $leftover / $this->operations->countColumns(); |
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if($this->calculator->isIntegerMode()) |
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{ |
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$perCol = (int)ceil($perCol); |
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} |
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for($i=($this->operations->countColumns()-1); $i >=0; $i--) |
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{ |
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if($leftover <= 0) |
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{ |
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break; |
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} |
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$leftover -= $perCol; |
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$col = $this->columns[$i]; |
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$val = $col->getValue() + $perCol; |
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$col->setValue($val); |
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} |
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$this->cleanUp($leftover); |
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} |
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/** |
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* In integer mode, after filling all items, because of rounding |
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* the amount of column up, we may have added a bit too much. We |
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* fix this here, by removing it from the last column. |
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* |
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* @param float $leftover |
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*/ |
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private function cleanUp(float $leftover) : void |
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{ |
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if($leftover >= 0) |
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{ |
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return; |
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} |
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$col = array_pop($this->columns); |
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$col->setValue($col->getValue() + $leftover); |
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} |
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} |
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Mistralys /
column-widths-calculator
