gnu-social/plugins/Mapstraction/MapstractionPlugin.php
2009-11-20 10:08:13 -08:00

246 lines
8.0 KiB
PHP

<?php
/**
* StatusNet, the distributed open-source microblogging tool
*
* Plugin to provide map visualization of location data
*
* PHP version 5
*
* LICENCE: This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* @category Action
* @package StatusNet
* @author Evan Prodromou <evan@status.net>
* @copyright 2009 StatusNet Inc.
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
* @link http://status.net/
*/
if (!defined('STATUSNET')) {
exit(1);
}
/**
* Plugin to provide map visualization of location data
*
* This plugin uses the Mapstraction JavaScript library to
*
* @category Plugin
* @package StatusNet
* @author Evan Prodromou <evan@status.net>
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
* @link http://status.net/
*
* @seeAlso Location
*/
class MapstractionPlugin extends Plugin
{
/** provider name, one of:
'cloudmade', 'google', 'microsoft', 'openlayers', 'yahoo' */
public $provider = 'openlayers';
/** provider API key (or 'appid'), if required ('google' and 'yahoo' only) */
public $apikey = null;
/**
* Hook for new URLs
*
* The way to register new actions from a plugin.
*
* @param Router $m reference to router
*
* @return boolean event handler return
*/
function onRouterInitialized($m)
{
$m->connect(':nickname/all/map',
array('action' => 'allmap'),
array('nickname' => '['.NICKNAME_FMT.']{1,64}'));
$m->connect(':nickname/map',
array('action' => 'usermap'),
array('nickname' => '['.NICKNAME_FMT.']{1,64}'));
return true;
}
/**
* Hook for autoloading classes
*
* This makes sure our classes get autoloaded from our directory
*
* @param string $cls name of class being used
*
* @return boolean event handler return
*/
function onAutoload($cls)
{
switch ($cls)
{
case 'AllmapAction':
case 'UsermapAction':
include_once INSTALLDIR.'/plugins/Mapstraction/' . strtolower(mb_substr($cls, 0, -6)) . '.php';
return false;
default:
return true;
}
}
/**
* Hook for adding extra JavaScript
*
* This makes sure our scripts get loaded for map-related pages
*
* @param Action $action Action object for the page
*
* @return boolean event handler return
*/
function onEndShowScripts($action)
{
$actionName = $action->trimmed('action');
// These are the ones that have maps on 'em
if (!in_array($actionName,
array('showstream', 'all', 'allmap', 'usermap'))) {
return true;
}
switch ($this->provider)
{
case 'cloudmade':
$action->script('http://tile.cloudmade.com/wml/0.2/web-maps-lite.js');
break;
case 'google':
$action->script(sprintf('http://maps.google.com/maps?file=api&amp;v=2&amp;sensor=false&amp;key=%s',
$this->apikey));
break;
case 'microsoft':
$action->script('http://dev.virtualearth.net/mapcontrol/mapcontrol.ashx?v=6');
break;
case 'openlayers':
// XXX: is this not nice...?
$action->script('http://openlayers.org/api/OpenLayers.js');
break;
case 'yahoo':
$action->script(sprintf('http://api.maps.yahoo.com/ajaxymap?v=3.8&appid=%s',
$this->apikey));
break;
case 'geocommons': // don't support this yet
default:
return true;
}
$action->script(sprintf('%s?(%s)',
common_path('plugins/Mapstraction/js/mxn.js'),
$this->provider));
$action->script(common_path('plugins/Mapstraction/usermap.js'));
$action->elementStart('script', array('type' => 'text/javascript'));
$action->raw(sprintf('var _provider = "%s";', $this->provider));
$action->elementEnd('script');
switch ($actionName) {
case 'usermap':
case 'showstream':
$notice = empty($action->tag)
? $action->user->getNotices(($action->page-1)*NOTICES_PER_PAGE, NOTICES_PER_PAGE + 1)
: $action->user->getTaggedNotices($action->tag, ($action->page-1)*NOTICES_PER_PAGE, NOTICES_PER_PAGE + 1, 0, 0, null);
break;
case 'all':
case 'allmap':
$cur = common_current_user();
if (!empty($cur) && $cur->id == $action->user->id) {
$notice = $action->user->noticeInbox(($action->page-1)*NOTICES_PER_PAGE, NOTICES_PER_PAGE + 1);
} else {
$notice = $action->user->noticesWithFriends(($action->page-1)*NOTICES_PER_PAGE, NOTICES_PER_PAGE + 1);
}
break;
}
$jsonArray = array();
while ($notice->fetch()) {
if (!empty($notice->lat) && !empty($notice->lon)) {
$jsonNotice = $this->noticeAsJson($notice);
$jsonArray[] = $jsonNotice;
}
}
$action->elementStart('script', array('type' => 'text/javascript'));
$action->raw('var _notices = ' . json_encode($jsonArray));
$action->elementEnd('script');
return true;
}
function onEndShowSections($action)
{
$actionName = $action->trimmed('action');
// These are the ones that have maps on 'em
if (!in_array($actionName,
array('showstream', 'all'))) {
return true;
}
$action->elementStart('div', array('id' => 'entity_map',
'class' => 'section'));
$action->element('h2', null, _('Map'));
$action->element('div', array('id' => 'map_canvas',
'class' => 'gray smallmap',
'style' => "width: 100%; height: 240px"));
$mapAct = ($actionName == 'showstream') ? 'usermap' : 'allmap';
$mapUrl = common_local_url($mapAct,
array('nickname' => $action->trimmed('nickname')));
$action->element('a', array('href' => $mapUrl),
_("Full size"));
$action->elementEnd('div');
}
function noticeAsJson($notice)
{
// FIXME: this code should be abstracted to a neutral third
// party, like Notice::asJson(). I'm not sure of the ethics
// of refactoring from within a plugin, so I'm just abusing
// the ApiAction method. Don't do this unless you're me!
require_once(INSTALLDIR.'/lib/api.php');
$act = new ApiAction('/dev/null');
$arr = $act->twitterStatusArray($notice, true);
$arr['url'] = $notice->bestUrl();
$arr['html'] = htmlspecialchars($notice->rendered);
$arr['source'] = htmlspecialchars($arr['source']);
if (!empty($notice->reply_to)) {
$reply_to = Notice::staticGet('id', $notice->reply_to);
if (!empty($reply_to)) {
$arr['in_reply_to_status_url'] = $reply_to->bestUrl();
}
$reply_to = null;
}
$profile = $notice->getProfile();
$arr['user']['profile_url'] = $profile->profileurl;
return $arr;
}
}