DifferentialCodeWidthSensitiveView.php
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DifferentialCodeWidthSensitiveView.php
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	<?php

	abstract class DifferentialCodeWidthSensitiveView extends AphrontView {

	private $lineWidth = 80;

	private function setLineWidth($width) {
	$this->lineWidth = $width;
	return $this;
	}

	public function getLineWidth() {
	return $this->lineWidth;
	}

	public function setLineWidthFromChangesets(array $changesets) {
	assert_instances_of($changesets, 'DifferentialChangeset');
	if (empty($changesets)) {
	return $this;
	}

	$max = 1;
	foreach ($changesets as $changeset) {
	$max = max($max, $changeset->getWordWrapWidth());
	}
	$this->setLineWidth($max);

	return $this;
	}

	public function calculateSideBySideWidth() {
	// Width of the constant-width elements (like line numbers, padding,
	// and borders).
	$const = 148;
	$width = ceil(((1162 - $const) / 80) * $this->getLineWidth()) + $const;
	return max(1162, $width);
	}

	}