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PHUITabGroupView.php
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Sun, Apr 6, 00:23

PHUITabGroupView.php
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<?php
final class PHUITabGroupView extends AphrontTagView {
private $tabs = array();
private $selectedTab;
private $hideSingleTab;
protected function canAppendChild() {
return false;
}
public function setHideSingleTab($hide_single_tab) {
$this->hideSingleTab = $hide_single_tab;
return $this;
}
public function getHideSingleTab() {
return $this->hideSingleTab;
}
public function addTab(PHUITabView $tab) {
$key = $tab->getKey();
$tab->lockKey();
if (isset($this->tabs[$key])) {
throw new Exception(
pht(
'Each tab in a tab group must have a unique key; attempting to add '.
'a second tab with a duplicate key ("%s").',
$key));
}
$this->tabs[$key] = $tab;
return $this;
}
public function selectTab($key) {
if (empty($this->tabs[$key])) {
throw new Exception(
pht(
'Unable to select tab ("%s") which does not exist.',
$key));
}
$this->selectedTab = $key;
return $this;
}
public function getSelectedTabKey() {
if (!$this->tabs) {
return null;
}
if ($this->selectedTab !== null) {
return $this->selectedTab;
}
return head($this->tabs)->getKey();
}
protected function getTagAttributes() {
$tab_map = mpull($this->tabs, 'getContentID', 'getKey');
return array(
'sigil' => 'phui-tab-group-view',
'meta' => array(
'tabMap' => $tab_map,
),
);
}
protected function getTagContent() {
Javelin::initBehavior('phui-tab-group');
$tabs = id(new PHUIListView())
->setType(PHUIListView::NAVBAR_LIST);
$content = array();
$selected_tab = $this->getSelectedTabKey();
foreach ($this->tabs as $tab) {
$item = $tab->newMenuItem();
$tab_key = $tab->getKey();
if ($tab_key == $selected_tab) {
$item->setSelected(true);
$style = null;
} else {
$style = 'display: none;';
}
$tabs->addMenuItem($item);
$content[] = javelin_tag(
'div',
array(
'style' => $style,
'id' => $tab->getContentID(),
),
$tab);
}
if ($this->hideSingleTab && (count($this->tabs) == 1)) {
$tabs = null;
}
return array(
$tabs,
$content,
);
}
}

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