ExampleCustomField.php
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Authored by epriestley on Mar 18 2014, 2:18 AM.

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	F131169: ExampleCustomField.php
	Mar 18 2014, 2:18 AM

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	<?php

	final class ExampleCustomField extends ManiphestCustomField {

	public function getFieldKey() {
	return 'example:test';
	}

	public function shouldAppearInPropertyView() {
	return true;
	}

	public function renderPropertyViewLabel() {
	return pht('Dependency Graph');
	}

	public function renderPropertyViewValue(array $handles) {
	$task = $this->getObject();

	$edge_type = PhabricatorEdgeConfig::TYPE_TASK_DEPENDS_ON_TASK;

	$graph = id(new PhabricatorEdgeGraph())
	->setEdgeType($edge_type)
	->addNodes(
	array(
	'<seed>' => array($task->getPHID()),
	))
	->loadGraph();

	$nodes = $graph->getNodes();
	unset($nodes['<seed>']);

	if (count($nodes) == 1) {
	return null;
	}

	$phids = array_keys($nodes);
	$handles = id(new PhabricatorHandleQuery())
	->setViewer($this->getViewer())
	->withPHIDs($phids)
	->execute();

	return $this->drawNodes($task->getPHID(), $nodes, $handles, true);
	}

	private function drawNodes($phid, $nodes, $handles, $is_top = false) {
	$content = array();
	if (!$is_top) {
	$content[] = phutil_tag('li', array(), $handles[$phid]->renderLink());
	}

	foreach ($nodes[$phid] as $other) {
	$content[] = phutil_tag(
	'li',
	array(
	'style' => $is_top ? null : 'padding-left: 16px;',
	),
	$this->drawNodes($other, $nodes, $handles));
	}

	return phutil_tag('ul', array(), $content);
	}

	}

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epriestley edited the content of this paste. (Show Details)Mar 18 2014, 2:18 AM

epriestley changed the title of this paste from untitled to ExampleCustomField.php.

epriestley updated the paste's language from autodetect to autodetect.

auduny mentioned this in T4207: Implement (tree) subtasks, as distinct from (graph) task dependencies.Nov 28 2014, 1:30 PM

$edge_type = PhabricatorEdgeConfig::TYPE_TASK_DEPENDS_ON_TASK;
This won't work in current code, since December 2014

Use ManiphestTaskDependsOnTaskEdgeType::EDGECONST instead

Hi guys, any update on this general issue of viewing subtasks in a nested manner?

I tried the above code for ExampleCustomField in the current (master) version of Phabricator. Neither of the 2 options work for $edge_type

PhabricatorEdgeConfig::TYPE_TASK_DEPENDS_ON_TASK;
or
ManiphestTaskDependsOnTaskEdgeType::EDGECONST;

Hi guys, any update on this general issue of viewing subtasks in a nested manner?

Every task here is 100% up to date, we don't have a secret second install with "real" updates. Just go to T4207 and click subscribe!

You may also want to follow T10034.

ofbeaton awarded a token.Apr 13 2016, 12:27 AM

ofbeaton added a subscriber: ofbeaton.

Does this workaround change anything in the database? - I'm thinking about using this in our production environment ;)

@OCram I've been using it in production for months, it works well enough for our needs, including in the current codebase. It just displays child tasks in a tree-like manner, doesn't change anything.

fanis mentioned this in T4788: Allow "Edit Dependencies" both ways (blocking and depending).Jul 7 2016, 1:39 PM

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