visualizer / classes / Visualizer / Plugin.php

Plugin.php in Visualizer – Tables & Charts Manager with Built-in AI Generator 3.0.3, at classes/Visualizer/Plugin.php

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1	<?php
2	// +----------------------------------------------------------------------+
3	// \| Copyright 2013 Madpixels (email : visualizer@madpixels.net) \|
4	// +----------------------------------------------------------------------+
5	// \| This program is free software; you can redistribute it and/or modify \|
6	// \| it under the terms of the GNU General Public License, version 2, as \|
7	// \| published by the Free Software Foundation. \|
8	// \| \|
9	// \| This program is distributed in the hope that it will be useful, \|
10	// \| but WITHOUT ANY WARRANTY; without even the implied warranty of \|
11	// \| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the \|
12	// \| GNU General Public License for more details. \|
13	// \| \|
14	// \| You should have received a copy of the GNU General Public License \|
15	// \| along with this program; if not, write to the Free Software \|
16	// \| Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, \|
17	// \| MA 02110-1301 USA \|
18	// +----------------------------------------------------------------------+
19	// \| Author: Eugene Manuilov <eugene@manuilov.org> \|
20	// +----------------------------------------------------------------------+
21	/**
22	* The core plugin class.
23	*
24	* @category Visualizer
25	*
26	* @since 1.0.0
27	*/
28	class Visualizer_Plugin {
29
30	const NAME = 'visualizer';
31	const VERSION = '3.0.3';
32
33	// custom post types
34	const CPT_VISUALIZER = 'visualizer';
35
36	// custom meta fields
37	const CF_CHART_TYPE = 'visualizer-chart-type';
38	const CF_SOURCE = 'visualizer-source';
39	const CF_SERIES = 'visualizer-series';
40	const CF_DEFAULT_DATA = 'visualizer-default-data';
41	const CF_SETTINGS = 'visualizer-settings';
42
43	const CF_SOURCE_FILTER = 'visualizer-source-filter';
44
45	// custom actions
46	const ACTION_GET_CHARTS = 'visualizer-get-charts';
47	const ACTION_CREATE_CHART = 'visualizer-create-chart';
48	const ACTION_EDIT_CHART = 'visualizer-edit-chart';
49	const ACTION_CLONE_CHART = 'visualizer-clone-chart';
50	const ACTION_DELETE_CHART = 'visualizer-delete-chart';
51	const ACTION_UPLOAD_DATA = 'visualizer-upload-data';
52	// Added by Ash/Upwork
53	const ACTION_EXPORT_DATA = 'visualizer-export-data';
54
55	/**
56	*Action used for fetching specific users/roles for permissions.
57	*/
58	const ACTION_FETCH_PERMISSIONS_DATA = 'visualizer-fetch-permissions-data';
59
60	// custom filters
61	const FILTER_CHART_WRAPPER_CLASS = 'visualizer-chart-wrapper-class';
62	const FILTER_GET_CHART_SERIES = 'visualizer-get-chart-series';
63	const FILTER_GET_CHART_DATA = 'visualizer-get-chart-data';
64	const FILTER_GET_CHART_SETTINGS = 'visualizer-get-chart-settings';
65
66	const CF_CHART_URL = 'visualizer-chart-url';
67	const CF_CHART_SCHEDULE = 'visualizer-chart-schedule';
68	// Added by Ash/Upwork
69	const PRO_TEASER_URL = 'http://themeisle.com/plugins/visualizer-charts-and-graphs-pro-addon/';
70	const PRO_TEASER_TITLE = 'Check PRO version ';
71	// Added by Ash/Upwork
72	/**
73	* Singletone instance of the plugin.
74	*
75	* @since 1.0.0
76	*
77	* @access private
78	* @var Visualizer_Plugin
79	*/
80	private static $_instance = null;
81
82	/**
83	* The array of registered modules.
84	*
85	* @since 1.0.0
86	*
87	* @access private
88	* @var array
89	*/
90	private $_modules = array();
91
92	/**
93	* Private constructor.
94	*
95	* @since 1.0.0
96	*
97	* @access private
98	*/
99	private function __construct() {
100	}
101
102	/**
103	* Returns singletone instance of the plugin.
104	*
105	* @since 1.0.0
106	*
107	* @static
108	* @access public
109	* @return Visualizer_Plugin
110	*/
111	public static function instance() {
112	if ( is_null( self::$_instance ) ) {
113	self::$_instance = new Visualizer_Plugin();
114	}
115
116	return self::$_instance;
117	}
118
119	/**
120	* Returns chart types.
121	*
122	* @since 1.0.0
123	*
124	* @static
125	* @access public
126	* @return array
127	*/
128	public static function getChartTypes() {
129	$array = array_keys( Visualizer_Module_Admin::_getChartTypesLocalized() );
130
131	return $array;
132	}
133
134	/**
135	* Returns a module if it was registered before. Otherwise NULL.
136	*
137	* @since 1.0.0
138	*
139	* @access public
140	*
141	* @param string $name The name of the module to return.
142	*
143	* @return Visualizer_Module\|null Returns a module if it was registered or NULL.
144	*/
145	public function getModule( $name ) {
146	return isset( $this->_modules[ $name ] ) ? $this->_modules[ $name ] : null;
147	}
148
149	/**
150	* Determines whether the module has been registered or not.
151	*
152	* @since 1.0.0
153	*
154	* @access public
155	*
156	* @param string $name The name of a module to check.
157	*
158	* @return boolean TRUE if the module has been registered. Otherwise FALSE.
159	*/
160	public function hasModule( $name ) {
161	return isset( $this->_modules[ $name ] );
162	}
163
164	/**
165	* Register new module in the plugin.
166	*
167	* @since 1.0.0
168	*
169	* @access public
170	*
171	* @param string $class The name of the module to use in the plugin.
172	*/
173	public function setModule( $class ) {
174	$this->_modules[ $class ] = new $class( $this );
175	}
176
177	/**
178	* Private clone method.
179	*
180	* @since 1.0.0
181	*
182	* @access private
183	*/
184	private function __clone() {
185	}
186
187	}
188