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PHUISegmentBarView.php
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			<?php

			final class PHUISegmentBarView extends AphrontTagView {

			private $label;
			private $segments = array();

			public function setLabel($label) {
			$this->label = $label;
			return $this;
			}

			public function newSegment() {
			$segment = new PHUISegmentBarSegmentView();
			$this->segments[] = $segment;
			return $segment;
			}

			protected function canAppendChild() {
			return false;
			}

			protected function getTagAttributes() {
			return array(
			'class' => 'phui-segment-bar-view',
			);
			}

			protected function getTagContent() {
			require_celerity_resource('phui-segment-bar-view-css');

			$label = $this->label;
			if ($label !== null) {
			$label = phutil_tag(
			'div',
			array(
			'class' => 'phui-segment-bar-label',
			),
			$label);
			}

			$segments = $this->segments;

			$position = 0;
			foreach ($segments as $segment) {
			$segment->setPosition($position);
			$position += $segment->getWidth();
			}

			$segments = array_reverse($segments);

			$segments = phutil_tag(
			'div',
			array(
			'class' => 'phui-segment-bar-segments',
			),
			$segments);

			return array(
			$label,
			$segments,
			);
			}

			}