powerkit / modules / basic-elements / templates / grid.php

grid.php in Powerkit – Supercharge your WordPress Site trunk, at modules/basic-elements/templates/grid.php

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1	<?php
2	/**
3	* Shortcode Grid config
4	*
5	* @package Powerkit
6	* @subpackage Templates
7	*/
8
9	// Exit if accessed directly.
10	if ( ! defined( 'ABSPATH' ) ) {
11	exit;
12	}
13
14	/**
15	* Init module
16	*/
17	class Powerkit_Basic_Grid {
18
19	/**
20	* Initialize.
21	*/
22	public function __construct() {
23
24	if ( class_exists( 'Gridable' ) ) {
25	add_filter( 'gridable_row_class', array( $this, 'gridable_row_class' ) );
26	add_filter( 'gridable_column_class', array( $this, 'gridable_column_class' ), 10, 4 );
27	add_filter( 'gridable_load_public_style', '__return_false' );
28
29	} else {
30
31	add_shortcode( 'powerkit_row', array( $this, 'add_row_shortcode' ) );
32	add_shortcode( 'powerkit_col', array( $this, 'add_column_shortcode' ) );
33	add_shortcode( 'row', array( $this, 'add_row_shortcode' ) );
34	add_shortcode( 'col', array( $this, 'add_column_shortcode' ) );
35	add_filter( 'the_content', array( $this, 'parse_content_for_nested_rows' ), 9 );
36	add_filter( 'powerkit_the_column_content', array( $this, 'fix_lost_p_tags' ), 10, 2 );
37	}
38	}
39
40	/**
41	* Render the [powerkit-row]
42	*
43	* @param array $atts The atts.
44	* @param string $content The content.
45	*/
46	public function add_row_shortcode( $atts, $content ) {
47	ob_start();
48	?>
49	<div class="pk-row">
50	<?php
51	$row_content = apply_filters( 'powerkit_the_row_content', $content, $atts );
52
53	if ( apply_filters( 'powerkit_render_shortcodes_in_row', true, $content, $atts ) ) {
54	echo do_shortcode( $row_content );
55	} else {
56	echo wp_kses_post( $row_content );
57	}
58	?>
59	</div>
60	<?php
61	return ob_get_clean();
62	}
63
64	/**
65	* Render the [powerkit-col]
66	*
67	* @param array $atts The atts.
68	* @param string $content The content.
69	*/
70	public function add_column_shortcode( $atts, $content ) {
71	$size = 1;
72	if ( ! empty( $atts['size'] ) ) {
73	$size = (int) $atts['size'];
74	}
75
76	ob_start();
77	?>
78	<div class="pk-col-md-<?php echo esc_attr( $size ); ?>">
79	<?php
80	$column_content = apply_filters( 'powerkit_the_column_content', $content, $atts );
81
82	if ( apply_filters( 'powerkit_render_shortcodes_in_column', true, $content, $atts ) ) {
83	echo do_shortcode( $column_content );
84	} else {
85	echo wp_kses_post( $column_content );
86	}
87	?>
88	</div>
89	<?php
90	return ob_get_clean();
91	}
92
93	/**
94	* This function strips unclosed p tags at a beggining and at the end of a row
95	*
96	* @param string $content The content.
97	* @param array $atts The atts.
98	*/
99	public function fix_lost_p_tags( $content, $atts ) {
100	if ( is_admin() ) {
101	return $content;
102	}
103
104	$first_4_chars = substr( $content, 0, 4 );
105
106	$last_3_chars = substr( $content, -3, 4 );
107
108	if ( '</p>' === $first_4_chars ) {
109	$content = substr( $content, 5 );
110	}
111
112	if ( '<p>' === $last_3_chars ) {
113	$content = substr( $content, 0, -4 );
114	}
115
116	return $content;
117	}
118
119	/**
120	* Try to allow one level of nested rows
121	*
122	* @param string $content The content.
123	* @param bool $rec The rec.
124	*/
125	public function parse_content_for_nested_rows( $content, $rec = false ) {
126	$rows_matches = array();
127
128	preg_match_all( '#' . get_shortcode_regex( array( 'powerkit-row' ) ) . '#ims', $content, $rows_matches );
129
130	/**
131	* Basically in the first group of matches are the plain row texts
132	* If a row contains another row, we should render it before.
133	*/
134	if ( ! empty( $rows_matches[0] ) ) {
135
136	// Iterate through each row and check if anyone has a nested row.
137	foreach ( $rows_matches[0] as $key => $match ) {
138
139	$row_pos = strpos( $rows_matches[0][ $key ], '[powerkit-row cols_nr="', 5 );
140
141	// If there is another row inside render it first.
142	if ( false !== $row_pos ) {
143	// Make a clone of the original row.
144	$temp_row = $match;
145	// If this row has an inner row, let's render it and replace it in the clone row.
146	preg_match( '#' . get_shortcode_regex( array( 'powerkit-row' ) ) . '#', $match, $smatch );
147	if ( substr_count( $smatch[0], '[powerkit-row ' ) > 1 ) {
148	$inner_rows = array();
149
150	// Right now the row form is [powerkit-row] content [powerkit-row]content[/powerkit-row]
151	// if we render the available rows we will have a nested-free row.
152	$remove_starting_row = '~\[' . $smatch[1] . $smatch[2] . $smatch[3] . '\]~';
153
154	$temp_content = preg_replace( $remove_starting_row, '', $smatch[0], 1 );
155
156	preg_match_all( '#' . get_shortcode_regex( array( 'powerkit-row' ) ) . '#ms', $temp_content, $inner_rows );
157
158	// There may be more than one inner row, catch'em all.
159	foreach ( $inner_rows[0] as $inner_row ) {
160	$temp_row = str_replace( $inner_row, do_shortcode( $inner_row ), $temp_row );
161	}
162	}
163	// Now we have a [powerkit-row] content <div class="pk-row"></div>
164	// the closing [/powerkit-row] is definetly somewhere after.
165	$content = str_replace( $match, $temp_row, $content );
166	} else {
167	if ( ! $rec ) {
168	$content = $this->parse_content_for_nested_rows( $content, true );
169	}
170	}
171	}
172	}
173
174	return $content;
175	}
176
177	/**
178	* -------------------------------------------------------------------------
179	* [ Support Gridable ]
180	* -------------------------------------------------------------------------
181	*/
182
183	/**
184	* Row Class
185	*/
186	public function gridable_row_class() {
187	return array( 'pk-row' );
188	}
189
190	/**
191	* Column Class
192	*
193	* @param array $classes Available classes.
194	* @param int $size Column size.
195	* @param array $atts Attributes.
196	* @param string $content Content.
197	*/
198	public function gridable_column_class( $classes, $size, $atts, $content ) {
199
200	$classes = array( 'pk-col-md-' . $size );
201
202	return $classes;
203	}
204	}
205
206	new Powerkit_Basic_Grid();
207