← All changes | classes/Visualizer/Module/Frontend.php +155 -149 1.4.2.3 → 1.5.3 View file →

		@@ -1,150 +1,156 @@
1		-<?php
2		-
3		-// +----------------------------------------------------------------------+
4		-// | Copyright 2013 Madpixels (email : visualizer@madpixels.net) |
5		-// +----------------------------------------------------------------------+
6		-// | This program is free software; you can redistribute it and/or modify |
7		-// | it under the terms of the GNU General Public License, version 2, as |
8		-// | published by the Free Software Foundation. |
9		-// | |
10		-// | This program is distributed in the hope that it will be useful, |
11		-// | but WITHOUT ANY WARRANTY; without even the implied warranty of |
12		-// | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
13		-// | GNU General Public License for more details. |
14		-// | |
15		-// | You should have received a copy of the GNU General Public License |
16		-// | along with this program; if not, write to the Free Software |
17		-// | Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, |
18		-// | MA 02110-1301 USA |
19		-// +----------------------------------------------------------------------+
20		-// | Author: Eugene Manuilov <eugene@manuilov.org> |
21		-// +----------------------------------------------------------------------+
22		-
23		-/**
24		- * Frontend module class.
25		- *
26		- * @category Visualizer
27		- * @package Module
28		- *
29		- * @since 1.0.0
30		- */
31		-class Visualizer_Module_Frontend extends Visualizer_Module {
32		-
33		- const NAME = __CLASS__;
34		-
35		- /**
36		- * The array of charts to render.
37		- *
38		- * @since 1.0.0
39		- *
40		- * @access private
41		- * @var array
42		- */
43		- private $_charts = array();
44		-
45		- /**
46		- * Constructor.
47		- *
48		- * @since 1.0.0
49		- * @uses add_filter() To add "do_shortcode" hook for "widget_text" and "term_description" filters.
50		- *
51		- * @access public
52		- * @param Visualizer_Plugin $plugin The instance of the plugin.
53		- */
54		- public function __construct( Visualizer_Plugin $plugin ) {
55		- parent::__construct( $plugin );
56		-
57		- $this->_addAction( 'wp_enqueue_scripts', 'enqueueScripts' );
58		- $this->_addShortcode( 'visualizer', 'renderChart' );
59		-
60		- // add do_shortocde hook for widget_text filter
61		- if ( !has_filter( 'widget_text', 'do_shortcode' ) ) {
62		- add_filter( 'widget_text', 'do_shortcode' );
63		- }
64		-
65		- // add do_shortcode hook for term_description filter
66		- if ( !has_filter( 'term_description', 'do_shortcode' ) ) {
67		- add_filter( 'term_description', 'do_shortcode' );
68		- }
69		- }
70		-
71		- /**
72		- * Registers scripts for charts rendering.
73		- *
74		- * @since 1.0.0
75		- * @uses wp_register_script To register javascript file.
76		- *
77		- * @access public
78		- */
79		- public function enqueueScripts() {
80		- wp_register_script( 'visualizer-google-jsapi', '//www.google.com/jsapi', array(), null, true );
81		- wp_register_script( 'visualizer-render', VISUALIZER_ABSURL . 'js/render.js', array( 'visualizer-google-jsapi', 'jquery' ), Visualizer_Plugin::VERSION, true );
82		- }
83		-
84		- /**
85		- * Returns placeholder for chart according to visualizer shortcode attributes.
86		- *
87		- * @since 1.0.0
88		- * @uses shortcode_atts() To parse income shortocdes.
89		- * @uses apply_filters() To filter chart's data and series arrays.
90		- * @uses get_post_meta() To fetch chart's meta information.
91		- * @uses wp_enqueue_script() To enqueue charts render script.
92		- * @uses wp_localize_script() To add chart data to the page inline script.
93		- *
94		- * @access public
95		- * @param array $atts The array of shortcode attributes.
96		- */
97		- public function renderChart( $atts ) {
98		- $atts = shortcode_atts( array(
99		- 'id' => false, // chart id
100		- 'class' => false, // chart class
101		- 'series' => false, // series filter hook
102		- 'data' => false, // data filter hook
103		- ), $atts );
104		-
105		- // if empty id or chart does not exists, then return empty string
106		- if ( !$atts['id'] || !( $chart = get_post( $atts['id'] ) ) || $chart->post_type != Visualizer_Plugin::CPT_VISUALIZER ) {
107		- return '';
108		- }
109		-
110		- $id = 'visualizer-' . $atts['id'];
111		- $class = apply_filters( Visualizer_Plugin::FILTER_CHART_WRAPPER_CLASS, $atts['class'], $atts['id'] );
112		- $class = !empty( $class ) ? ' class="' . $class . '"' : '';
113		-
114		- $type = get_post_meta( $chart->ID, Visualizer_Plugin::CF_CHART_TYPE, true );
115		-
116		- // faetch and update settings
117		- $settings = get_post_meta( $chart->ID, Visualizer_Plugin::CF_SETTINGS, true );
118		- if ( empty( $settings['height'] ) ) {
119		- $settings['height'] = '400';
120		- }
121		-
122		- // handle series filter hooks
123		- $series = apply_filters( Visualizer_Plugin::FILTER_GET_CHART_SERIES, get_post_meta( $chart->ID, Visualizer_Plugin::CF_SERIES, true ), $chart->ID, $type );
124		- if ( !empty( $atts['series'] ) ) {
125		- $series = apply_filters( $atts['series'], $series, $chart->ID, $type );
126		- }
127		-
128		- // handle data filter hooks
129		- $data = apply_filters( Visualizer_Plugin::FILTER_GET_CHART_DATA, unserialize( $chart->post_content ), $chart->ID, $type );
130		- if ( !empty( $atts['data'] ) ) {
131		- $data = apply_filters( $atts['data'], $data, $chart->ID, $type );
132		- }
133		-
134		- // add chart to the array
135		- $this->_charts[$id] = array(
136		- 'type' => $type,
137		- 'series' => $series,
138		- 'settings' => $settings,
139		- 'data' => $data,
140		- );
141		-
142		- // enqueue visualizer render and update render localizations
143		- wp_enqueue_script( 'visualizer-render' );
144		- wp_localize_script( 'visualizer-render', 'visualizer', array( 'charts' => $this->_charts ) );
145		-
146		- // return placeholder div
147		- return '<div id="' . $id . '"' . $class . '></div>';
148		- }
149		-
	1	+<?php
	2	+
	3	+// +----------------------------------------------------------------------+
	4	+// | Copyright 2013 Madpixels (email : visualizer@madpixels.net) |
	5	+// +----------------------------------------------------------------------+
	6	+// | This program is free software; you can redistribute it and/or modify |
	7	+// | it under the terms of the GNU General Public License, version 2, as |
	8	+// | published by the Free Software Foundation. |
	9	+// | |
	10	+// | This program is distributed in the hope that it will be useful, |
	11	+// | but WITHOUT ANY WARRANTY; without even the implied warranty of |
	12	+// | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
	13	+// | GNU General Public License for more details. |
	14	+// | |
	15	+// | You should have received a copy of the GNU General Public License |
	16	+// | along with this program; if not, write to the Free Software |
	17	+// | Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, |
	18	+// | MA 02110-1301 USA |
	19	+// +----------------------------------------------------------------------+
	20	+// | Author: Eugene Manuilov <eugene@manuilov.org> |
	21	+// +----------------------------------------------------------------------+
	22	+
	23	+/**
	24	+ * Frontend module class.
	25	+ *
	26	+ * @category Visualizer
	27	+ * @package Module
	28	+ *
	29	+ * @since 1.0.0
	30	+ */
	31	+class Visualizer_Module_Frontend extends Visualizer_Module {
	32	+
	33	+ const NAME = __CLASS__;
	34	+
	35	+ /**
	36	+ * The array of charts to render.
	37	+ *
	38	+ * @since 1.0.0
	39	+ *
	40	+ * @access private
	41	+ * @var array
	42	+ */
	43	+ private $_charts = array();
	44	+
	45	+ /**
	46	+ * Constructor.
	47	+ *
	48	+ * @since 1.0.0
	49	+ * @uses add_filter() To add "do_shortcode" hook for "widget_text" and "term_description" filters.
	50	+ *
	51	+ * @access public
	52	+ * @param Visualizer_Plugin $plugin The instance of the plugin.
	53	+ */
	54	+ public function __construct( Visualizer_Plugin $plugin ) {
	55	+ parent::__construct( $plugin );
	56	+
	57	+ $this->_addAction( 'wp_enqueue_scripts', 'enqueueScripts' );
	58	+ $this->_addShortcode( 'visualizer', 'renderChart' );
	59	+
	60	+ // add do_shortocde hook for widget_text filter
	61	+ if ( !has_filter( 'widget_text', 'do_shortcode' ) ) {
	62	+ add_filter( 'widget_text', 'do_shortcode' );
	63	+ }
	64	+
	65	+ // add do_shortcode hook for term_description filter
	66	+ if ( !has_filter( 'term_description', 'do_shortcode' ) ) {
	67	+ add_filter( 'term_description', 'do_shortcode' );
	68	+ }
	69	+ }
	70	+
	71	+ /**
	72	+ * Registers scripts for charts rendering.
	73	+ *
	74	+ * @since 1.0.0
	75	+ * @uses wp_register_script To register javascript file.
	76	+ *
	77	+ * @access public
	78	+ */
	79	+ public function enqueueScripts() {
	80	+ wp_register_script( 'visualizer-google-jsapi', '//www.google.com/jsapi', array(), null, true );
	81	+ wp_register_script( 'visualizer-render', VISUALIZER_ABSURL . 'js/render.js', array( 'visualizer-google-jsapi', 'jquery' ), Visualizer_Plugin::VERSION, true );
	82	+ }
	83	+
	84	+ /**
	85	+ * Returns placeholder for chart according to visualizer shortcode attributes.
	86	+ *
	87	+ * @since 1.0.0
	88	+ * @uses shortcode_atts() To parse income shortocdes.
	89	+ * @uses apply_filters() To filter chart's data and series arrays.
	90	+ * @uses get_post_meta() To fetch chart's meta information.
	91	+ * @uses wp_enqueue_script() To enqueue charts render script.
	92	+ * @uses wp_localize_script() To add chart data to the page inline script.
	93	+ *
	94	+ * @access public
	95	+ * @param array $atts The array of shortcode attributes.
	96	+ */
	97	+ public function renderChart( $atts ) {
	98	+ $atts = shortcode_atts( array(
	99	+ 'id' => false, // chart id
	100	+ 'class' => false, // chart class
	101	+ 'series' => false, // series filter hook
	102	+ 'data' => false, // data filter hook
	103	+ 'settings' => false, // data filter hook
	104	+ ), $atts );
	105	+
	106	+ // if empty id or chart does not exists, then return empty string
	107	+ if ( !$atts['id'] || !( $chart = get_post( $atts['id'] ) ) || $chart->post_type != Visualizer_Plugin::CPT_VISUALIZER ) {
	108	+ return '';
	109	+ }
	110	+
	111	+ $id = 'visualizer-' . $atts['id'];
	112	+ $class = apply_filters( Visualizer_Plugin::FILTER_CHART_WRAPPER_CLASS, $atts['class'], $atts['id'] );
	113	+ $class = !empty( $class ) ? ' class="' . $class . '"' : '';
	114	+
	115	+ $type = get_post_meta( $chart->ID, Visualizer_Plugin::CF_CHART_TYPE, true );
	116	+
	117	+ // faetch and update settings
	118	+ $settings = get_post_meta( $chart->ID, Visualizer_Plugin::CF_SETTINGS, true );
	119	+ if ( empty( $settings['height'] ) ) {
	120	+ $settings['height'] = '400';
	121	+ }
	122	+
	123	+ // handle series filter hooks
	124	+ $series = apply_filters( Visualizer_Plugin::FILTER_GET_CHART_SERIES, get_post_meta( $chart->ID, Visualizer_Plugin::CF_SERIES, true ), $chart->ID, $type );
	125	+ if ( !empty( $atts['series'] ) ) {
	126	+ $series = apply_filters( $atts['series'], $series, $chart->ID, $type );
	127	+ }
	128	+ // handle settings filter hooks
	129	+ $settings = apply_filters( Visualizer_Plugin::FILTER_GET_CHART_SETTINGS, $settings, $chart->ID, $type );
	130	+ if ( !empty( $atts['settings'] ) ) {
	131	+ $settings = apply_filters( $atts['settings'], $settings, $chart->ID, $type );
	132	+ }
	133	+
	134	+ // handle data filter hooks
	135	+ $data = apply_filters( Visualizer_Plugin::FILTER_GET_CHART_DATA, unserialize( $chart->post_content ), $chart->ID, $type );
	136	+ if ( !empty( $atts['data'] ) ) {
	137	+ $data = apply_filters( $atts['data'], $data, $chart->ID, $type );
	138	+ }
	139	+
	140	+ // add chart to the array
	141	+ $this->_charts[$id] = array(
	142	+ 'type' => $type,
	143	+ 'series' => $series,
	144	+ 'settings' => $settings,
	145	+ 'data' => $data,
	146	+ );
	147	+
	148	+ // enqueue visualizer render and update render localizations
	149	+ wp_enqueue_script( 'visualizer-render' );
	150	+ wp_localize_script( 'visualizer-render', 'visualizer', array( 'charts' => $this->_charts ) );
	151	+
	152	+ // return placeholder div
	153	+ return '<div id="' . $id . '"' . $class . '></div>';
	154	+ }
	155	+
150	156	}