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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 handleRequest(AphrontRequest $request) {
$viewer = $request->getViewer();
$keys = $request->getStr('keys');
try {
$keys = phutil_json_decode($keys);
} catch (PhutilJSONParserException $ex) {
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.'),
'group' => 'global',
);
$groups = array(
'default' => array(
'name' => pht('Page Shortcuts'),
'icon' => 'fa-keyboard-o',
),
'diff-nav' => array(
'name' => pht('Diff Navigation'),
'icon' => 'fa-arrows',
),
'diff-vis' => array(
'name' => pht('Hiding Content'),
'icon' => 'fa-eye-slash',
),
'inline' => array(
'name' => pht('Editing Inline Comments'),
'icon' => 'fa-pencil',
),
'xactions' => array(
'name' => pht('Comments'),
'icon' => 'fa-comments-o',
),
'global' => array(
'name' => pht('Global Shortcuts'),
'icon' => 'fa-globe',
),
);
$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",
);
$row_maps = array();
foreach ($keys as $shortcut) {
$keystrokes = array();
foreach ($shortcut['keys'] as $stroke) {
$stroke = idx($stroke_map, $stroke, $stroke);
$keystrokes[] = phutil_tag(
'span',
array(
'class' => 'keyboard-shortcut-key',
),
$stroke);
}
$keystrokes = phutil_implode_html(' or ', $keystrokes);
$group_key = idx($shortcut, 'group');
if (!isset($groups[$group_key])) {
$group_key = 'default';
}
$row = phutil_tag(
'tr',
array(),
array(
phutil_tag('th', array(), $keystrokes),
phutil_tag('td', array(), $shortcut['description']),
));
$row_maps[$group_key][] = $row;
}
$tab_group = id(new PHUITabGroupView())
->setVertical(true);
foreach ($groups as $key => $group) {
$rows = idx($row_maps, $key);
if (!$rows) {
continue;
}
$icon = id(new PHUIIconView())
->setIcon($group['icon']);
$tab = id(new PHUITabView())
->setKey($key)
->setName($group['name'])
->setIcon($icon);
$table = phutil_tag(
'table',
array('class' => 'keyboard-shortcut-help'),
$rows);
$tab->appendChild($table);
$tab_group->addTab($tab);
}
return $this->newDialog()
->setTitle(pht('Keyboard Shortcuts'))
->setWidth(AphrontDialogView::WIDTH_FULL)
->setFlush(true)
->appendChild($tab_group)
->addCancelButton('#', pht('Close'));
}
}

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