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PHUICurtainObjectRefListView.php
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			<?php

			final class PHUICurtainObjectRefListView
			extends AphrontTagView {

			private $refs = array();
			private $emptyMessage;
			private $tail = array();

			protected function getTagAttributes() {
			return array(
			'class' => 'phui-curtain-object-ref-list-view',
			);
			}

			public function setEmptyMessage($empty_message) {
			$this->emptyMessage = $empty_message;
			return $this;
			}

			protected function getTagContent() {
			$refs = $this->refs;

			if (!$refs && ($this->emptyMessage !== null)) {
			$view = phutil_tag(
			'div',
			array(
			'class' => 'phui-curtain-object-ref-list-view-empty',
			),
			$this->emptyMessage);
			} else {
			$view = $refs;
			}

			$tail = null;
			if ($this->tail) {
			$tail = phutil_tag(
			'div',
			array(
			'class' => 'phui-curtain-object-ref-list-view-tail',
			),
			$this->tail);
			}

			return array(
			$view,
			$tail,
			);
			}

			public function newObjectRefView() {
			$ref_view = id(new PHUICurtainObjectRefView())
			->setViewer($this->getViewer());

			$this->refs[] = $ref_view;

			return $ref_view;
			}

			public function newTailLink() {
			$link = new PHUILinkView();

			$this->tail[] = $link;

			return $link;
			}

			}