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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,153 @@ | ||
| <?php | ||
| /** | ||
| * Common Utilities Framework for XOOPS | ||
| * | ||
| * Copyright © 2015 Red Mexico http://www.redmexico.com.mx | ||
| * ------------------------------------------------------------- | ||
| * This program is free software; you can redistribute it and/or | ||
| * modify it under the terms of the GNU General Public License | ||
| * as published by the Free Software Foundation; either version 2 | ||
| * 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 General Public License for more details. | ||
| * | ||
| * You should have received a copy of the GNU General Public License | ||
| * along with this program; if not, write to the Free Software | ||
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, | ||
| * MA 02110-1301, USA. | ||
| * ------------------------------------------------------------- | ||
| * @copyright Red Mexico (http://www.redmexico.com.mx) | ||
| * @license GNU GPL 2 | ||
| * @package rmcommon | ||
| * @author Eduardo Cortés (AKA bitcero) <[email protected]> | ||
| * @url http://www.redmexico.com.mx | ||
| * @url http://www.eduardocortes.mx | ||
| */ | ||
|
|
||
| namespace Common\Core\Helpers; | ||
|
|
||
| class Widgets | ||
| { | ||
| private $widgetsProviders = array(); | ||
|
|
||
| public function __construct() | ||
| { | ||
| $this->widgetsProviders['rmcommon'] = [ | ||
| 'path' => RMCPATH . '/widgets', | ||
| 'namespace' => 'Common\Widgets' | ||
| ]; | ||
| $this->loadProviders(); | ||
| } | ||
|
|
||
| /** | ||
| * Loads new SVG icons provider | ||
| * | ||
| * Components must use evenRmcommonRegisterIconProvider event and return an array | ||
| * with keys 'id' and 'directory'. | ||
| * | ||
| * 'id' key must have an unique identifier to load icons from 'directory'. | ||
| * | ||
| * @return bool | ||
| * @throws \Exception | ||
| */ | ||
| private function loadProviders() | ||
| { | ||
|
|
||
| $providers = array(); | ||
| $providers = \RMEvents::get()->trigger('rmcommon.register.widgets.provider', $providers); | ||
|
|
||
| if (empty($providers)) { | ||
| return true; | ||
| } | ||
|
|
||
| foreach ($providers as $provider) { | ||
|
|
||
| if ($provider['id'] == '') { | ||
| continue; | ||
| } | ||
|
|
||
| if (!is_dir($provider['path'])) { | ||
| continue; | ||
| } | ||
|
|
||
| if ($provider['id'] == 'rmcommon') { | ||
| throw new \Exception(__('Illegal attempt to replace "Common Utilities" widgets provider!', 'rmcommon')); | ||
| return false; | ||
| } | ||
|
|
||
| $this->widgetsProviders[$provider['id']] = [ | ||
| 'path' => $provider['path'], | ||
| 'namespace' => rtrim($provider['namespace'], '\\') | ||
| ]; | ||
|
|
||
| } | ||
|
|
||
| } | ||
|
|
||
| public function getWidgetsList($providers = []) | ||
| { | ||
|
|
||
| /** | ||
| * @todo: Make routines to request a widgets list and information from module | ||
| */ | ||
|
|
||
| } | ||
|
|
||
| /** | ||
| * Instantiate a new widget object from a specif provider | ||
| * @param string $provider Provider ID (e.g. rmcommon) | ||
| * @param string $widgetName Widget name. This name must correspond with file name (e.g. 'Counter') | ||
| * @return bool|string | ||
| */ | ||
| public function load($provider, $widgetName) | ||
| { | ||
|
|
||
| if('' == $widgetName || '' == $provider){ | ||
| return false; | ||
| } | ||
|
|
||
| if(false === array_key_exists($provider, $this->widgetsProviders)){ | ||
| trigger_error(sprintf(__('Attempt to load a widget from a non existent provider: %s', 'rmcommon'), $provider)); | ||
| return false; | ||
| } | ||
|
|
||
| // File path | ||
| $path = $this->widgetsProviders[$provider]['path'] . '/' . $widgetName . '.php'; | ||
| if(false === file_exists($path)){ | ||
| trigger_error(sprintf(__('Attempt to load a non existent widget: %s', 'rmcommon'), $widgetName)); | ||
| return false; | ||
| } | ||
|
|
||
| include_once $path; | ||
|
|
||
| if(false === class_exists($this->widgetsProviders[$provider]['namespace'] . '\\' . $widgetName)){ | ||
| trigger_error(sprintf(__('Attempt to load a non existent widget: %s', 'rmcommon'), $widgetName)); | ||
| return false; | ||
| } | ||
|
|
||
| $widgetClass = $this->widgetsProviders[$provider]['namespace'] . '\\' . $widgetName; | ||
| $widget = new $widgetClass(); | ||
| if(false === is_subclass_of($widget, 'Common\Core\Helpers\WidgetAbstract')){ | ||
| trigger_error(sprintf(__('Attempt to load a non valid widget: %s. Widgets must be extended from WidgetAbstract.', 'rmcommon'), $widgetName)); | ||
| return false; | ||
| } | ||
|
|
||
| return $widget; | ||
|
|
||
| } | ||
|
|
||
| public static function getInstance() | ||
| { | ||
| static $instance; | ||
|
|
||
| if (isset($instance)) | ||
| return $instance; | ||
|
|
||
| $instance = new Widgets(); | ||
|
|
||
| return $instance; | ||
| } | ||
| } |
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