PHUITabView.php
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	<?php

	final class PHUITabView extends AphrontTagView {

	private $name;
	private $key;
	private $keyLocked;
	private $contentID;
	private $color;

	public function setKey($key) {
	if ($this->keyLocked) {
	throw new Exception(
	pht(
	'Attempting to change the key of a tab with a locked key ("%s").',
	$this->key));
	}

	$this->key = $key;
	return $this;
	}

	public function hasKey() {
	return ($this->key !== null);
	}

	public function getKey() {
	if (!$this->hasKey()) {
	throw new PhutilInvalidStateException('setKey');
	}

	return $this->key;
	}

	public function lockKey() {
	if (!$this->hasKey()) {
	throw new PhutilInvalidStateException('setKey');
	}

	$this->keyLocked = true;

	return $this;
	}

	public function setName($name) {
	$this->name = $name;
	return $this;
	}

	public function getName() {
	return $this->name;
	}

	public function getContentID() {
	if ($this->contentID === null) {
	$this->contentID = celerity_generate_unique_node_id();
	}

	return $this->contentID;
	}

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

	public function getColor() {
	return $this->color;
	}

	public function newMenuItem() {
	$item = id(new PHUIListItemView())
	->setName($this->getName())
	->setKey($this->getKey())
	->setType(PHUIListItemView::TYPE_LINK)
	->setHref('#')
	->addSigil('phui-tab-view')
	->setMetadata(
	array(
	'tabKey' => $this->getKey(),
	));

	$color = $this->getColor();
	if ($color !== null) {
	$item->setStatusColor($color);
	}

	return $item;
	}

	}