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<?php
/**
* Shortcode Grid config
*
* @package Powerkit
* @subpackage Templates
*/
/**
* Init module
*/
class Powerkit_Basic_Grid {
/**
* Initialize.
*/
public function __construct() {
if ( class_exists( 'Gridable' ) ) {
add_filter( 'gridable_row_class', array( $this, 'gridable_row_class' ) );
add_filter( 'gridable_column_class', array( $this, 'gridable_column_class' ), 10, 4 );
add_filter( 'gridable_load_public_style', '__return_false' );
} else {
add_shortcode( 'powerkit_row', array( $this, 'add_row_shortcode' ) );
add_shortcode( 'powerkit_col', array( $this, 'add_column_shortcode' ) );
add_shortcode( 'row', array( $this, 'add_row_shortcode' ) );
add_shortcode( 'col', array( $this, 'add_column_shortcode' ) );
add_filter( 'the_content', array( $this, 'parse_content_for_nested_rows' ), 9 );
add_filter( 'powerkit_the_column_content', array( $this, 'fix_lost_p_tags' ), 10, 2 );
}
}
/**
* Render the [powerkit-row]
*
* @param array $atts The atts.
* @param string $content The content.
*/
public function add_row_shortcode( $atts, $content ) {
ob_start();
?>
<div class="pk-row">
<?php
$row_content = apply_filters( 'powerkit_the_row_content', $content, $atts );
if ( apply_filters( 'powerkit_render_shortcodes_in_row', true, $content, $atts ) ) {
echo do_shortcode( $row_content );
} else {
echo $row_content; // XSS.
}
?>
</div>
<?php
return ob_get_clean();
}
/**
* Render the [powerkit-col]
*
* @param array $atts The atts.
* @param string $content The content.
*/
public function add_column_shortcode( $atts, $content ) {
$size = 1;
if ( ! empty( $atts['size'] ) ) {
$size = (int) $atts['size'];
}
ob_start();
?>
<div class="pk-col-md-<?php echo esc_attr( $size ); ?>">
<?php
$column_content = apply_filters( 'powerkit_the_column_content', $content, $atts );
if ( apply_filters( 'powerkit_render_shortcodes_in_column', true, $content, $atts ) ) {
echo do_shortcode( $column_content );
} else {
echo $column_content; // XSS.
}
?>
</div>
<?php
return ob_get_clean();
}
/**
* This function strips unclosed p tags at a beggining and at the end of a row
*
* @param string $content The content.
* @param array $atts The atts.
*/
public function fix_lost_p_tags( $content, $atts ) {
if ( is_admin() ) {
return $content;
}
$first_4_chars = substr( $content, 0, 4 );
$last_3_chars = substr( $content, -3, 4 );
if ( '</p>' === $first_4_chars ) {
$content = substr( $content, 5 );
}
if ( '<p>' === $last_3_chars ) {
$content = substr( $content, 0, -4 );
}
return $content;
}
/**
* Try to allow one level of nested rows
*
* @param string $content The content.
* @param bool $rec The rec.
*/
public function parse_content_for_nested_rows( $content, $rec = false ) {
$rows_matches = array();
preg_match_all( '#' . get_shortcode_regex( array( 'powerkit-row' ) ) . '#ims', $content, $rows_matches );
/**
* Basically in the first group of matches are the plain row texts
* If a row contains another row, we should render it before.
*/
if ( ! empty( $rows_matches[0] ) ) {
// Iterate through each row and check if anyone has a nested row.
foreach ( $rows_matches[0] as $key => $match ) {
$row_pos = strpos( $rows_matches[0][ $key ], '[powerkit-row cols_nr="', 5 );
// If there is another row inside render it first.
if ( false !== $row_pos ) {
// Make a clone of the original row.
$temp_row = $match;
// If this row has an inner row, let's render it and replace it in the clone row.
preg_match( '#' . get_shortcode_regex( array( 'powerkit-row' ) ) . '#', $match, $smatch );
if ( substr_count( $smatch[0], '[powerkit-row ' ) > 1 ) {
$inner_rows = array();
// Right now the row form is [powerkit-row] content [powerkit-row]content[/powerkit-row]
// if we render the available rows we will have a nested-free row.
$remove_starting_row = '~\[' . $smatch[1] . $smatch[2] . $smatch[3] . '\]~';
$temp_content = preg_replace( $remove_starting_row, '', $smatch[0], 1 );
preg_match_all( '#' . get_shortcode_regex( array( 'powerkit-row' ) ) . '#ms', $temp_content, $inner_rows );
// There may be more than one inner row, catch'em all.
foreach ( $inner_rows[0] as $inner_row ) {
$temp_row = str_replace( $inner_row, do_shortcode( $inner_row ), $temp_row );
}
}
// Now we have a [powerkit-row] content <div class="pk-row"></div>
// the closing [/powerkit-row] is definetly somewhere after.
$content = str_replace( $match, $temp_row, $content );
} else {
if ( ! $rec ) {
$content = $this->parse_content_for_nested_rows( $content, true );
}
}
}
}
return $content;
}
/**
* -------------------------------------------------------------------------
* [ Support Gridable ]
* -------------------------------------------------------------------------
*/
/**
* Row Class
*/
public function gridable_row_class() {
return array( 'pk-row' );
}
/**
* Column Class
*
* @param array $classes Available classes.
* @param int $size Column size.
* @param array $atts Attributes.
* @param string $content Content.
*/
public function gridable_column_class( $classes, $size, $atts, $content ) {
$classes = array( 'pk-col-md-' . $size );
return $classes;
}
}
new Powerkit_Basic_Grid();