testing

AphrontBarView.php
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			<?php

			abstract class AphrontBarView extends AphrontView {

			private $color;
			private $caption = '';

			const COLOR_DEFAULT = 'default';
			const COLOR_WARNING = 'warning';
			const COLOR_DANGER = 'danger';

			const COLOR_AUTO_BADNESS = 'auto_badness'; // more = bad! :(
			const COLOR_AUTO_GOODNESS = 'auto_goodness'; // more = good! :)

			const THRESHOLD_DANGER = 0.85;
			const THRESHOLD_WARNING = 0.75;

			abstract protected function getRatio();

			abstract protected function getDefaultColor();

			final public function setColor($color) {
			$this->color = $color;
			return $this;
			}

			final public function setCaption($text) {
			$this->caption = $text;
			return $this;
			}

			final protected function getColor() {
			$color = $this->color;
			if (!$color) {
			$color = $this->getDefaultColor();
			}

			switch ($color) {
			case self::COLOR_DEFAULT:
			case self::COLOR_WARNING:
			case self::COLOR_DANGER:
			return $color;
			}

			$ratio = $this->getRatio();
			if ($color === self::COLOR_AUTO_GOODNESS) {
			$ratio = 1.0 - $ratio;
			}

			if ($ratio >= self::THRESHOLD_DANGER) {
			return self::COLOR_DANGER;
			} else if ($ratio >= self::THRESHOLD_WARNING) {
			return self::COLOR_WARNING;
			} else {
			return self::COLOR_DEFAULT;
			}
			}

			final protected function getCaption() {
			return $this->caption;
			}

			}