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phorge/src/applications/help/controller/PhabricatorHelpKeyboardShortcutController.php
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PhabricatorHelpKeyboardShortcutController.php
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<?php
final class PhabricatorHelpKeyboardShortcutController
extends PhabricatorHelpController {
public function shouldAllowPublic() {
return true;
}
public function processRequest() {
$request = $this->getRequest();
$user = $request->getUser();
$keys = $request->getStr('keys');
$keys = json_decode($keys, true);
if (!is_array($keys)) {
return new Aphront400Response();
}
// There have been at least two users asking for a keyboard shortcut to
// close the dialog, so be explicit that escape works since it isn't
// terribly discoverable.
$keys[] = array(
'keys' => array('esc'),
'description' => pht('Close any dialog, including this one.'),
);
$stroke_map = array(
'left' => "\xE2\x86\x90",
'right' => "\xE2\x86\x92",
'up' => "\xE2\x86\x91",
'down' => "\xE2\x86\x93",
'return' => "\xE2\x8F\x8E",
'tab' => "\xE2\x87\xA5",
'delete' => "\xE2\x8C\xAB",
);
$rows = array();
foreach ($keys as $shortcut) {
$keystrokes = array();
foreach ($shortcut['keys'] as $stroke) {
$stroke = idx($stroke_map, $stroke, $stroke);
$keystrokes[] = phutil_tag('kbd', array(), $stroke);
}
$keystrokes = phutil_implode_html(' or ', $keystrokes);
$rows[] = phutil_tag(
'tr',
array(),
array(
phutil_tag('th', array(), $keystrokes),
phutil_tag('td', array(), $shortcut['description']),
));
}
$table = phutil_tag(
'table',
array('class' => 'keyboard-shortcut-help'),
$rows);
$dialog = id(new AphrontDialogView())
->setUser($user)
->setTitle(pht('Keyboard Shortcuts'))
->appendChild($table)
->addCancelButton('#', pht('Close'));
return id(new AphrontDialogResponse())
->setDialog($dialog);
}
}

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