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phab/src/applications/maniphest/event/ManiphestHovercardEventListener.php
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ManiphestHovercardEventListener.php
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<?php
final class ManiphestHovercardEventListener extends PhabricatorEventListener {
public function register() {
$this->listen(PhabricatorEventType::TYPE_UI_DIDRENDERHOVERCARD);
}
public function handleEvent(PhutilEvent $event) {
switch ($event->getType()) {
case PhabricatorEventType::TYPE_UI_DIDRENDERHOVERCARD:
$this->handleHovercardEvent($event);
break;
}
}
private function handleHovercardEvent(PhutilEvent $event) {
$viewer = $event->getUser();
$hovercard = $event->getValue('hovercard');
$handle = $event->getValue('handle');
$phid = $handle->getPHID();
$task = $event->getValue('object');
if (!($task instanceof ManiphestTask)) {
return;
}
$e_project = PhabricatorProjectObjectHasProjectEdgeType::EDGECONST;
// Fun with "Unbeta Pholio", hua hua
$e_dep_on = PhabricatorEdgeConfig::TYPE_TASK_DEPENDS_ON_TASK;
$e_dep_by = PhabricatorEdgeConfig::TYPE_TASK_DEPENDED_ON_BY_TASK;
$edge_query = id(new PhabricatorEdgeQuery())
->withSourcePHIDs(array($phid))
->withEdgeTypes(
array(
$e_project,
$e_dep_on,
$e_dep_by,
));
$edges = idx($edge_query->execute(), $phid);
$edge_phids = $edge_query->getDestinationPHIDs();
$owner_phid = $task->getOwnerPHID();
$phids = array_filter(array_merge(
array($owner_phid),
$edge_phids));
$viewer_handles = $this->loadHandles($phids, $viewer);
$hovercard->setTitle(pht('T%d', $task->getID()))
->setDetail($task->getTitle());
$owner = phutil_tag('em', array(), pht('None'));
if ($owner_phid) {
$owner = $viewer_handles[$owner_phid]->renderLink();
}
$hovercard->addField(pht('Assigned to'), $owner);
if ($edge_phids) {
$edge_types = array(
$e_project => pht('Projects'),
$e_dep_by => pht('Dependent Tasks'),
$e_dep_on => pht('Depends On'),
);
$max_count = 6;
foreach ($edge_types as $edge_type => $edge_name) {
if ($edges[$edge_type]) {
// TODO: This can be made more sophisticated. We still load all
// edges into memory. Only load the ones we need.
$edge_overflow = array();
if (count($edges[$edge_type]) > $max_count) {
$edges[$edge_type] = array_slice($edges[$edge_type], 0, 6, true);
$edge_overflow = ', ...';
}
$hovercard->addField(
$edge_name,
implode_selected_handle_links(', ', $viewer_handles,
array_keys($edges[$edge_type]))
->appendHTML($edge_overflow));
}
}
}
$hovercard->addTag(ManiphestView::renderTagForTask($task));
$event->setValue('hovercard', $hovercard);
}
protected function loadHandles(array $phids, $viewer) {
return id(new PhabricatorHandleQuery())
->setViewer($viewer)
->withPHIDs($phids)
->execute();
}
}
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