class.ilChatroomTabGUIFactory.php

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<?php
/* Copyright (c) 1998-2012 ILIAS open source, Extended GPL, see docs/LICENSE */

class ilChatroomTabGUIFactory
{
        private $gui;

        private $lng;

        public function __construct(ilObjectGUI $gui)
        {
                global $lng;

                $this->gui = $gui;
                $this->lng = $lng;
        }

        public static function convertUnderscoreCaseToLowerCamelCaseConversion($value, $upper_case_first = FALSE)
        {
                $tokens = (array)explode('_', $value);
                $value  = '';

                foreach($tokens as $token)
                {
                        $value .= ucfirst($token);
                }

                if($upper_case_first === FALSE)
                {
                        $value = strtolower($value, 0, 1) . substr($value, 1);
                }

                return $value;
        }

        public function getAdminTabsForCommand($command)
        {
                global $ilTabs, $ilCtrl;

                $command      = $this->convertLowerCamelCaseToUnderscoreCaseConversion($command);
                $stopCommands = array('create');

                if(in_array($command, $stopCommands))
                {
                        return;
                }

                $settings        = new ilSetting('chatroom');
                $public_room_ref = $settings->get('public_room_ref');

                $objIds     = ilObject::_getObjectsByType('chta');
                $firstObjId = current(array_keys($objIds));
                $refIds     = ilObject::_getAllReferences($firstObjId);
                $admin_ref  = current($refIds);

                $ilCtrl->setParameterByClass('ilObjChatroomAdminGUI', 'ref_id', $admin_ref);

                $config = array(
                        'view'   => array(
                                'lng'        => 'settings',
                                'link'       => $ilCtrl->getLinkTargetByClass('ilObjChatroomAdminGUI', 'view-clientsettings'),
                                'permission' => 'read',
                                'subtabs'    => array(
                                        'clientsettings' => array(
                                                'lng'        => 'client_settings',
                                                'link'       => $ilCtrl->getLinkTargetByClass('ilObjChatroomAdminGUI', 'view-clientsettings'),
                                                'permission' => 'read'
                                        ),
                                        'serversettings' => array(
                                                'lng'        => 'server_settings',
                                                'link'       => $ilCtrl->getLinkTargetByClass('ilObjChatroomAdminGUI', 'view-serversettings'),
                                                'permission' => 'read'
                                        )
                                )
                        ),
                        'smiley' => array(
                                'lng'        => 'smiley',
                                'link'       => $ilCtrl->getLinkTargetByClass('ilObjChatroomAdminGUI', 'smiley'),
                                'permission' => 'read'
                        )
                );
                $ilCtrl->setParameterByClass('ilObjChatroomGUI', 'ref_id', $public_room_ref);

                $config['settings'] = array(
                        'lng'        => 'public_chat_settings',
                        'link'       => $ilCtrl->getLinkTargetByClass('ilObjChatroomGUI', 'settings-general'),
                        'permission' => 'write',
                        'subtabs'    => array(
                                'settings' => array(
                                        'lng'        => 'settings',
                                        'link'       => $ilCtrl->getLinkTarget($this->gui, 'settings-general'),
                                        'permission' => 'write'
                                ),
                                'ban'      => array(
                                        'lng'        => 'bans',
                                        'link'       => $ilCtrl->getLinkTargetByClass('ilObjChatroomGUI', 'ban-show'),
                                        'permission' => 'moderate'
                                )
                        )
                );

                $ilCtrl->setParameterByClass('ilPermissionGUI', 'ref_id', $public_room_ref);
                $config['perm'] = array(
                        'lng'        => 'public_chat_permissions',
                        'link'       => $ilCtrl->getLinkTargetByClass('ilPermissionGUI', 'perm'),
                        'permission' => 'write',
                );
                $ilCtrl->clearParametersByClass('ilPermissionGUI');

                $ilCtrl->setParameterByClass('ilPermissionGUI', 'ref_id', $admin_ref);
                $config['perm_settings'] = array(
                        'lng'        => 'perm_settings',
                        'link'       => $ilCtrl->getLinkTargetByClass('ilpermissiongui', 'perm'),
                        'permission' => 'write',
                );
                $ilCtrl->clearParametersByClass('ilPermissionGUI');

                $commandParts = explode('_', $command, 2);
                if($command == 'ban_show')
                {
                        $commandParts[0] = 'settings';
                        $commandParts[1] = 'ban';
                }
                else if($command == 'settings_general')
                {
                        $commandParts[0] = 'settings';
                        $commandParts[1] = 'settings';
                }
                else if($command == 'view_savesettings')
                {
                        $commandParts[0] = 'view';
                        $commandParts[1] = 'serversettings';
                }
                else if($command == 'view_saveclientsettings')
                {
                        $commandParts[0] = 'view';
                        $commandParts[1] = 'clientsettings';
                }
                else if($ilCtrl->getCmdClass() == 'ilpermissiongui' && $_REQUEST['ref_id'] == $public_room_ref)
                {
                        $commandParts[0] = 'perm';
                        $ilCtrl->setParameterByClass('ilPermissionGUI', 'ref_id', $public_room_ref);
                }
                else if($ilCtrl->getCmdClass() == 'ilpermissiongui' && $_REQUEST['ref_id'] == $admin_ref)
                {
                        $commandParts[0] = 'perm_settings';
                        $ilCtrl->setParameterByClass('ilPermissionGUI', 'ref_id', $admin_ref);
                }

                $this->buildTabs($ilTabs, $config, $commandParts);
                $this->activateTab($commandParts, $config);
        }

        public static function convertLowerCamelCaseToUnderscoreCaseConversion($value)
        {
                return strtolower(preg_replace('/(.*?)-(.*?)/', '$1_$2', $value));
        }

        private function buildTabs(ilTabsGUI $tabs, $config, $command)
        {
                global $rbacsystem;

                require_once 'Modules/Chatroom/classes/class.ilChatroom.php';
                foreach($config as $id => $tabDefinition)
                {
                        if(!ilChatroom::checkUserPermissions($tabDefinition['permission'], $this->gui->getRefId(), false))
                        {
                                continue;
                        }
                        else if(isset($tabDefinition['enabled']) && !$tabDefinition['enabled'])
                        {
                                continue;
                        }

                        $tabs->addTab($id, $this->getLabel($tabDefinition, $id), $tabDefinition['link']);

                        if($command[0] == $id && isset($tabDefinition['subtabs']) &&
                                is_array($tabDefinition['subtabs'])
                        )
                        {
                                foreach($tabDefinition['subtabs'] as $subid => $subTabDefinition)
                                {
                                        if(!$rbacsystem->checkAccess($subTabDefinition['permission'], $this->gui->getRefId()))
                                        {
                                                continue;
                                        }
                                        else if(isset($subTabDefinition['enabled']) && !$subTabDefinition['enabled'])
                                        {
                                                continue;
                                        }
                                        $tabs->addSubTab(
                                                $subid, $this->getLabel($subTabDefinition, $subid),
                                                $subTabDefinition['link']
                                        );
                                }
                        }
                }
        }

        private function getLabel($tabDefinition, $id)
        {
                if(isset($tabDefinition['lng']))
                        return $this->lng->txt($tabDefinition['lng']);
                else
                        return $this->lng->txt($id);
        }

        private function activateTab(array $commandParts, $config)
        {
                global $ilTabs;

                if(count($commandParts) > 1)
                {
                        if(isset($config[$commandParts[0]]))
                        {
                                $ilTabs->activateTab($commandParts[0]);

                                if(isset($config[$commandParts[0]]['subtabs'][$commandParts[1]]))
                                {
                                        $ilTabs->activateSubTab($commandParts[1]);
                                }
                        }
                }
                else if(count($commandParts) == 1)
                {
                        $ilTabs->activateTab($commandParts[0]);
                }
        }

        public function getTabsForCommand($command)
        {
                global $ilTabs, $ilCtrl;

                $command      = $this->convertLowerCamelCaseToUnderscoreCaseConversion($command);
                $stopCommands = array('create');

                if(in_array($command, $stopCommands))
                {
                        return;
                }

                require_once 'Modules/Chatroom/classes/class.ilChatroom.php';
                $room = ilChatroom::byObjectId($this->gui->object->getId());

                $config = array(
                        'view'     => array(
                                'lng'        => 'view',
                                'link'       => $ilCtrl->getLinkTarget($this->gui, 'view'),
                                'permission' => 'read'
                        ),
                        'history'  => array(
                                'lng'        => 'history',
                                'link'       => $ilCtrl->getLinkTarget($this->gui, 'history-byday'),
                                'permission' => 'read',
                                'enabled'    => $room ? $room->getSetting('enable_history') : false,
                                'subtabs'    => array(
                                        'byday'     => array(
                                                'lng'        => 'history_by_day',
                                                'link'       => $ilCtrl->getLinkTarget($this->gui, 'history-byday'),
                                                'permission' => 'read'
                                        ),
                                        'bysession' => array(
                                                'lng'        => 'history_by_session',
                                                'link'       => $ilCtrl->getLinkTarget($this->gui, 'history-bysession'),
                                                'permission' => 'read'
                                        )
                                )
                        ),
                        'info'     => array(
                                'lng'        => 'info_short',
                                'link'       => $ilCtrl->getLinkTargetByClass(array(get_class($this->gui), 'ilinfoscreengui'), 'info'),
                                'permission' => 'read'
                        ),
                        'settings' => array(
                                'lng'        => 'settings',
                                'link'       => $ilCtrl->getLinkTarget($this->gui, 'settings-general'),
                                'permission' => 'write',
                                'subtabs'    => array(
                                        'general' => array(
                                                'lng'        => 'settings_general',
                                                'link'       => $ilCtrl->getLinkTarget($this->gui, 'settings-general'),
                                                'permission' => 'write'
                                        )
                                )
                        ),
                        'ban'      => array(
                                'lng'        => 'bans',
                                'link'       => $ilCtrl->getLinkTarget($this->gui, 'ban-show'),
                                'permission' => 'moderate',
                                'subtabs'    => array(
                                        'show' => array(
                                                'lng'        => 'bans_table',
                                                'link'       => $ilCtrl->getLinkTarget($this->gui, 'ban-show'),
                                                'permission' => 'moderate'
                                        )
                                )
                        ),
                        'perm'     => array(
                                'lng'        => 'permissions',
                                'link'       => $ilCtrl->getLinkTargetByClass('ilpermissiongui', 'perm'),
                                'permission' => 'write'
                        )
                );

                $commandParts = explode('_', $command, 2);

                if($ilCtrl->getCmdClass() == 'ilpermissiongui')
                {
                        $commandParts[0] = 'perm';
                }

                $this->buildTabs($ilTabs, $config, $commandParts);
                $this->activateTab($commandParts, $config);
        }
}