PhabricatorHelpKeyboardShortcutController.php
ab567481a220stable

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.'),
			);

			$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);

			return $this->newDialog()
			->setTitle(pht('Keyboard Shortcuts'))
			->appendChild($table)
			->addCancelButton('#', pht('Close'));

			}

			}