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PhabricatorApplicationTransactionView.php
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			<?php

			/**
			* @concrete-extensible
			*/
			class PhabricatorApplicationTransactionView extends AphrontView {

			private $transactions;
			private $engine;
			private $showEditActions = true;
			private $isPreview;
			private $objectPHID;
			private $shouldTerminate = false;
			private $quoteTargetID;
			private $quoteRef;
			private $pager;
			private $renderAsFeed;
			private $renderData = array();
			private $hideCommentOptions = false;

			public function setRenderAsFeed($feed) {
			$this->renderAsFeed = $feed;
			return $this;
			}

			public function setQuoteRef($quote_ref) {
			$this->quoteRef = $quote_ref;
			return $this;
			}

			public function getQuoteRef() {
			return $this->quoteRef;
			}

			public function setQuoteTargetID($quote_target_id) {
			$this->quoteTargetID = $quote_target_id;
			return $this;
			}

			public function getQuoteTargetID() {
			return $this->quoteTargetID;
			}

			public function setObjectPHID($object_phid) {
			$this->objectPHID = $object_phid;
			return $this;
			}

			public function getObjectPHID() {
			return $this->objectPHID;
			}

			public function setIsPreview($is_preview) {
			$this->isPreview = $is_preview;
			return $this;
			}

			public function setShowEditActions($show_edit_actions) {
			$this->showEditActions = $show_edit_actions;
			return $this;
			}

			public function getShowEditActions() {
			return $this->showEditActions;
			}

			public function setMarkupEngine(PhabricatorMarkupEngine $engine) {
			$this->engine = $engine;
			return $this;
			}

			public function setTransactions(array $transactions) {
			assert_instances_of($transactions, 'PhabricatorApplicationTransaction');
			$this->transactions = $transactions;
			return $this;
			}

			public function getTransactions() {
			return $this->transactions;
			}

			public function setShouldTerminate($term) {
			$this->shouldTerminate = $term;
			return $this;
			}

			public function setPager(AphrontCursorPagerView $pager) {
			$this->pager = $pager;
			return $this;
			}

			public function getPager() {
			return $this->pager;
			}

			/**
			* This is additional data that may be necessary to render the next set
			* of transactions. Objects that implement
			* PhabricatorApplicationTransactionInterface use this data in
			* willRenderTimeline.
			*/
			public function setRenderData(array $data) {
			$this->renderData = $data;
			return $this;
			}

			public function getRenderData() {
			return $this->renderData;
			}

			public function setHideCommentOptions($hide_comment_options) {
			$this->hideCommentOptions = $hide_comment_options;
			return $this;
			}

			public function getHideCommentOptions() {
			return $this->hideCommentOptions;
			}

			public function buildEvents($with_hiding = false) {
			$user = $this->getUser();

			$xactions = $this->transactions;

			$xactions = $this->filterHiddenTransactions($xactions);
			$xactions = $this->groupRelatedTransactions($xactions);
			$groups = $this->groupDisplayTransactions($xactions);

			// If the viewer has interacted with this object, we hide things from
			// before their most recent interaction by default. This tends to make
			// very long threads much more manageable, because you don't have to
			// scroll through a lot of history and can focus on just new stuff.

			$show_group = null;

			if ($with_hiding) {
			// Find the most recent comment by the viewer.
			$group_keys = array_keys($groups);
			$group_keys = array_reverse($group_keys);

			// If we would only hide a small number of transactions, don't hide
			// anything. Just don't examine the last few keys. Also, we always
			// want to show the most recent pieces of activity, so don't examine
			// the first few keys either.
			$group_keys = array_slice($group_keys, 2, -2);

			$type_comment = PhabricatorTransactions::TYPE_COMMENT;
			foreach ($group_keys as $group_key) {
			$group = $groups[$group_key];
			foreach ($group as $xaction) {
			if ($xaction->getAuthorPHID() == $user->getPHID() &&
			$xaction->getTransactionType() == $type_comment) {
			// This is the most recent group where the user commented.
			$show_group = $group_key;
			break 2;
			}
			}
			}
			}

			$events = array();
			$hide_by_default = ($show_group !== null);
			$set_next_page_id = false;

			foreach ($groups as $group_key => $group) {
			if ($hide_by_default && ($show_group === $group_key)) {
			$hide_by_default = false;
			$set_next_page_id = true;
			}

			$group_event = null;
			foreach ($group as $xaction) {
			$event = $this->renderEvent($xaction, $group);
			$event->setHideByDefault($hide_by_default);
			if (!$group_event) {
			$group_event = $event;
			} else {
			$group_event->addEventToGroup($event);
			}
			if ($set_next_page_id) {
			$set_next_page_id = false;
			$pager = $this->getPager();
			if ($pager) {
			$pager->setNextPageID($xaction->getID());
			}
			}
			}
			$events[] = $group_event;

			}

			return $events;
			}

			public function render() {
			if (!$this->getObjectPHID()) {
			throw new PhutilInvalidStateException('setObjectPHID');
			}

			$view = $this->buildPHUITimelineView();

			if ($this->getShowEditActions()) {
			Javelin::initBehavior('phabricator-transaction-list');
			}

			return $view->render();
			}

			public function buildPHUITimelineView($with_hiding = true) {
			if (!$this->getObjectPHID()) {
			throw new PhutilInvalidStateException('setObjectPHID');
			}

			$view = id(new PHUITimelineView())
			->setUser($this->getUser())
			->setShouldTerminate($this->shouldTerminate)
			->setQuoteTargetID($this->getQuoteTargetID())
			->setQuoteRef($this->getQuoteRef());

			$events = $this->buildEvents($with_hiding);
			foreach ($events as $event) {
			$view->addEvent($event);
			}

			if ($this->getPager()) {
			$view->setPager($this->getPager());
			}

			if ($this->getRenderData()) {
			$view->setRenderData($this->getRenderData());
			}

			return $view;
			}

			protected function getOrBuildEngine() {
			if (!$this->engine) {
			$field = PhabricatorApplicationTransactionComment::MARKUP_FIELD_COMMENT;

			$engine = id(new PhabricatorMarkupEngine())
			->setViewer($this->getUser());
			foreach ($this->transactions as $xaction) {
			if (!$xaction->hasComment()) {
			continue;
			}
			$engine->addObject($xaction->getComment(), $field);
			}
			$engine->process();

			$this->engine = $engine;
			}

			return $this->engine;
			}

			private function buildChangeDetailsLink(
			PhabricatorApplicationTransaction $xaction) {

			return javelin_tag(
			'a',
			array(
			'href' => '/transactions/detail/'.$xaction->getPHID().'/',
			'sigil' => 'workflow',
			),
			pht('(Show Details)'));
			}

			private function buildExtraInformationLink(
			PhabricatorApplicationTransaction $xaction) {

			$link = $xaction->renderExtraInformationLink();
			if (!$link) {
			return null;
			}

			return phutil_tag(
			'span',
			array(
			'class' => 'phui-timeline-extra-information',
			),
			array(" \xC2\xB7 ", $link));
			}

			protected function shouldGroupTransactions(
			PhabricatorApplicationTransaction $u,
			PhabricatorApplicationTransaction $v) {
			return false;
			}

			protected function renderTransactionContent(
			PhabricatorApplicationTransaction $xaction) {

			$field = PhabricatorApplicationTransactionComment::MARKUP_FIELD_COMMENT;
			$engine = $this->getOrBuildEngine();
			$comment = $xaction->getComment();

			if ($comment) {
			if ($comment->getIsRemoved()) {
			return javelin_tag(
			'span',
			array(
			'class' => 'comment-deleted',
			'sigil' => 'transaction-comment',
			'meta' => array('phid' => $comment->getTransactionPHID()),
			),
			pht(
			'This comment was removed by %s.',
			$xaction->getHandle($comment->getAuthorPHID())->renderLink()));
			} else if ($comment->getIsDeleted()) {
			return javelin_tag(
			'span',
			array(
			'class' => 'comment-deleted',
			'sigil' => 'transaction-comment',
			'meta' => array('phid' => $comment->getTransactionPHID()),
			),
			pht('This comment has been deleted.'));
			} else if ($xaction->hasComment()) {
			return javelin_tag(
			'span',
			array(
			'class' => 'transaction-comment',
			'sigil' => 'transaction-comment',
			'meta' => array('phid' => $comment->getTransactionPHID()),
			),
			$engine->getOutput($comment, $field));
			} else {
			// This is an empty, non-deleted comment. Usually this happens when
			// rendering previews.
			return null;
			}
			}

			return null;
			}

			private function filterHiddenTransactions(array $xactions) {
			foreach ($xactions as $key => $xaction) {
			if ($xaction->shouldHide()) {
			unset($xactions[$key]);
			}
			}
			return $xactions;
			}

			private function groupRelatedTransactions(array $xactions) {
			$last = null;
			$last_key = null;
			$groups = array();
			foreach ($xactions as $key => $xaction) {
			if ($last && $this->shouldGroupTransactions($last, $xaction)) {
			$groups[$last_key][] = $xaction;
			unset($xactions[$key]);
			} else {
			$last = $xaction;
			$last_key = $key;
			}
			}

			foreach ($xactions as $key => $xaction) {
			$xaction->attachTransactionGroup(idx($groups, $key, array()));
			}

			return $xactions;
			}

			private function groupDisplayTransactions(array $xactions) {
			$groups = array();
			$group = array();
			foreach ($xactions as $xaction) {
			if ($xaction->shouldDisplayGroupWith($group)) {
			$group[] = $xaction;
			} else {
			if ($group) {
			$groups[] = $group;
			}
			$group = array($xaction);
			}
			}

			if ($group) {
			$groups[] = $group;
			}

			foreach ($groups as $key => $group) {
			$group = msort($group, 'getActionStrength');
			$group = array_reverse($group);
			$groups[$key] = $group;
			}

			return $groups;
			}

			private function renderEvent(
			PhabricatorApplicationTransaction $xaction,
			array $group) {
			$viewer = $this->getUser();

			$event = id(new PHUITimelineEventView())
			->setUser($viewer)
			->setAuthorPHID($xaction->getAuthorPHID())
			->setTransactionPHID($xaction->getPHID())
			->setUserHandle($xaction->getHandle($xaction->getAuthorPHID()))
			->setIcon($xaction->getIcon())
			->setColor($xaction->getColor())
			->setHideCommentOptions($this->getHideCommentOptions());

			list($token, $token_removed) = $xaction->getToken();
			if ($token) {
			$event->setToken($token, $token_removed);
			}

			if (!$this->shouldSuppressTitle($xaction, $group)) {
			if ($this->renderAsFeed) {
			$title = $xaction->getTitleForFeed();
			} else {
			$title = $xaction->getTitle();
			}
			if ($xaction->hasChangeDetails()) {
			if (!$this->isPreview) {
			$details = $this->buildChangeDetailsLink($xaction);
			$title = array(
			$title,
			' ',
			$details,
			);
			}
			}

			if (!$this->isPreview) {
			$more = $this->buildExtraInformationLink($xaction);
			if ($more) {
			$title = array($title, ' ', $more);
			}
			}

			$event->setTitle($title);
			}

			if ($this->isPreview) {
			$event->setIsPreview(true);
			} else {
			$event
			->setDateCreated($xaction->getDateCreated())
			->setContentSource($xaction->getContentSource())
			->setAnchor($xaction->getID());
			}

			$transaction_type = $xaction->getTransactionType();
			$comment_type = PhabricatorTransactions::TYPE_COMMENT;
			$is_normal_comment = ($transaction_type == $comment_type);

			if ($this->getShowEditActions() &&
			!$this->isPreview &&
			$is_normal_comment) {

			$has_deleted_comment =
			$xaction->getComment() &&
			$xaction->getComment()->getIsDeleted();

			$has_removed_comment =
			$xaction->getComment() &&
			$xaction->getComment()->getIsRemoved();

			if ($xaction->getCommentVersion() > 1 && !$has_removed_comment) {
			$event->setIsEdited(true);
			}

			if (!$has_removed_comment) {
			$event->setIsNormalComment(true);
			}

			// If we have a place for quoted text to go and this is a quotable
			// comment, pass the quote target ID to the event view.
			if ($this->getQuoteTargetID()) {
			if ($xaction->hasComment()) {
			if (!$has_removed_comment && !$has_deleted_comment) {
			$event->setQuoteTargetID($this->getQuoteTargetID());
			$event->setQuoteRef($this->getQuoteRef());
			}
			}
			}

			$can_edit = PhabricatorPolicyCapability::CAN_EDIT;

			if ($xaction->hasComment() \|\| $has_deleted_comment) {
			$has_edit_capability = PhabricatorPolicyFilter::hasCapability(
			$viewer,
			$xaction,
			$can_edit);
			if ($has_edit_capability && !$has_removed_comment) {
			$event->setIsEditable(true);
			}
			if ($has_edit_capability \|\| $viewer->getIsAdmin()) {
			if (!$has_removed_comment) {
			$event->setIsRemovable(true);
			}
			}
			}
			}

			$comment = $this->renderTransactionContent($xaction);
			if ($comment) {
			$event->appendChild($comment);
			}

			return $event;
			}

			private function shouldSuppressTitle(
			PhabricatorApplicationTransaction $xaction,
			array $group) {

			// This is a little hard-coded, but we don't have any other reasonable
			// cases for now. Suppress "commented on" if there are other actions in
			// the display group.

			if (count($group) > 1) {
			$type_comment = PhabricatorTransactions::TYPE_COMMENT;
			if ($xaction->getTransactionType() == $type_comment) {
			return true;
			}
			}

			return false;
			}

			}

phab/src/applications/transactions/view/PhabricatorApplicationTransactionView.phpe1642ada6ef1feature/testing

PhabricatorApplicationTransactionView.phpView Options

phab/src/applications/transactions/view/PhabricatorApplicationTransactionView.php
e1642ada6ef1feature/testing

PhabricatorApplicationTransactionView.php
View Options