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File Content: `grid.php`

<?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();
Name	Size	Permission
alerts.php	2677 bytes	0644
buttons.php	3581 bytes	0644
collapsibles.php	3329 bytes	0644
grid.php	5555 bytes	0644
progressbars.php	3203 bytes	0644
separators.php	1974 bytes	0644
tabs.php	4404 bytes	0644
File Content: grid.php

File Content: `grid.php`
