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PHUIRemarkupPreviewPanel.php
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Created
Tue, Jul 9, 21:15

PHUIRemarkupPreviewPanel.php
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<?php
/**
* Render a simple preview panel for a bound Remarkup text control.
*/
final class PHUIRemarkupPreviewPanel extends AphrontTagView {
private $header;
private $loadingText;
private $controlID;
private $previewURI;
private $skin = 'default';
protected function canAppendChild() {
return false;
}
public function setPreviewURI($preview_uri) {
$this->previewURI = $preview_uri;
return $this;
}
public function setControlID($control_id) {
$this->controlID = $control_id;
return $this;
}
public function setHeader($header) {
$this->header = $header;
return $this;
}
public function setLoadingText($loading_text) {
$this->loadingText = $loading_text;
return $this;
}
public function setSkin($skin) {
static $skins = array(
'default' => true,
'document' => true,
);
if (empty($skins[$skin])) {
$valid = implode(', ', array_keys($skins));
throw new Exception("Invalid skin '{$skin}'. Valid skins are: {$valid}.");
}
$this->skin = $skin;
return $this;
}
public function getTagName() {
return 'div';
}
public function getTagAttributes() {
$classes = array();
$classes[] = 'phui-remarkup-preview';
if ($this->skin) {
$classes[] = 'phui-remarkup-preview-skin-'.$this->skin;
}
return array(
'class' => $classes,
);
}
protected function getTagContent() {
if ($this->previewURI === null) {
throw new Exception("Call setPreviewURI() before rendering!");
}
if ($this->controlID === null) {
throw new Exception("Call setControlID() before rendering!");
}
$preview_id = celerity_generate_unique_node_id();
require_celerity_resource('phui-remarkup-preview-css');
Javelin::initBehavior(
'remarkup-preview',
array(
'previewID' => $preview_id,
'controlID' => $this->controlID,
'uri' => $this->previewURI,
));
$loading = phutil_tag(
'div',
array(
'class' => 'phui-preview-loading-text',
),
nonempty($this->loadingText, pht('Loading preview...')));
$header = null;
if ($this->header) {
$header = phutil_tag(
'div',
array(
'class' => 'phui-preview-header',
),
$this->header);
}
$preview = phutil_tag(
'div',
array(
'id' => $preview_id,
'class' => 'phabricator-remarkup',
),
$loading);
$content = array($header, $preview);
switch ($this->skin) {
case 'document':
$content = id(new PHUIDocumentView())
->appendChild($content);
break;
default:
$content = id(new PHUIBoxView())
->appendChild($content)
->setBorder(true)
->addMargin(PHUI::MARGIN_LARGE)
->addPadding(PHUI::PADDING_LARGE)
->addClass('phui-panel-preview');
break;
}
return $content;
}
}

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