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phab/src/view/AphrontTagView.php
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AphrontTagView.php
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<?php
/**
* View which renders down to a single tag, and provides common access for tag
* attributes (setting classes, sigils, IDs, etc).
*/
abstract class AphrontTagView extends AphrontView {
private $id;
private $classes = array();
private $sigils = array();
private $style;
private $metadata;
private $mustCapture;
private $workflow;
public function setWorkflow($workflow) {
$this->workflow = $workflow;
return $this;
}
public function getWorkflow() {
return $this->workflow;
}
public function setMustCapture($must_capture) {
$this->mustCapture = $must_capture;
return $this;
}
public function getMustCapture() {
return $this->mustCapture;
}
final public function setMetadata(array $metadata) {
$this->metadata = $metadata;
return $this;
}
final public function getMetadata() {
return $this->metadata;
}
final public function setStyle($style) {
$this->style = $style;
return $this;
}
final public function getStyle() {
return $this->style;
}
final public function addSigil($sigil) {
$this->sigils[] = $sigil;
return $this;
}
final public function getSigils() {
return $this->sigils;
}
public function addClass($class) {
$this->classes[] = $class;
return $this;
}
public function getClasses() {
return $this->classes;
}
public function setID($id) {
$this->id = $id;
return $this;
}
public function getID() {
return $this->id;
}
protected function getTagName() {
return 'div';
}
protected function getTagAttributes() {
return array();
}
protected function getTagContent() {
return $this->renderChildren();
}
final public function render() {
$this->willRender();
// A tag view may render no tag at all. For example, the HandleListView is
// a container which renders a tag in HTML mode, but can also render in
// text mode without producing a tag. When a tag view has no tag name, just
// return the tag content as though the view did not exist.
$tag_name = $this->getTagName();
if ($tag_name === null) {
return $this->getTagContent();
}
$attributes = $this->getTagAttributes();
$implode = array('class', 'sigil');
foreach ($implode as $attr) {
if (isset($attributes[$attr])) {
if (is_array($attributes[$attr])) {
$attributes[$attr] = implode(' ', $attributes[$attr]);
}
}
}
if (!is_array($attributes)) {
$class = get_class($this);
throw new Exception(
pht("View '%s' did not return an array from getTagAttributes()!",
$class));
}
$sigils = $this->sigils;
if ($this->workflow) {
$sigils[] = 'workflow';
}
$tag_view_attributes = array(
'id' => $this->id,
'class' => implode(' ', $this->classes),
'style' => $this->style,
'meta' => $this->metadata,
'sigil' => $sigils ? implode(' ', $sigils) : null,
'mustcapture' => $this->mustCapture,
);
foreach ($tag_view_attributes as $key => $value) {
if ($value === null) {
continue;
}
if (!isset($attributes[$key])) {
$attributes[$key] = $value;
continue;
}
switch ($key) {
case 'class':
case 'sigil':
$attributes[$key] = $attributes[$key].' '.$value;
break;
default:
// Use the explicitly set value rather than the tag default value.
$attributes[$key] = $value;
break;
}
}
return javelin_tag(
$tag_name,
$attributes,
$this->getTagContent());
}
}
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