<?php
/*
Plugin Name: Page View
Plugin URI: http://urbangiraffe.com/plugins/pageview/
Description: Allows the insertion of code to display an external webpage within an iframe, along with a title and description.  The tag to insert the code is: <code>[pageview url="url" title="title"]</code>
Version: 1.6
Author: John Godley
Author URI: http://urbangiraffe.com
*/

class PageView {
    public function __construct() {
        add_shortcode( 'pageview', array( &$this, 'shortcode' ) );
    }

    private function render( $url, $title, $desc, $width, $height, $border, $scroll ) {
        $width  = preg_replace( '/[^0-9%px]/', '', $width );
        $height = preg_replace( '/[^0-9%px]/', '', $height );

        $border = ( $border == 'yes' ) ? 'border: 1px solid #999' : '';

        if ( !in_array( $scroll, array( 'auto', 'yes', 'no' ) ) )
            $scroll = 'no';

        ob_start();
?>
<div class="pageview">
    <?php if ( $title || $desc ) : ?>
      <table class="pageviewhead" cellpadding="0" cellspacing="0" border="0" style="margin-bottom: 0px">

            <?php if ( $title ) : ?>
                <tr>
              <td width="80"><strong><?php _e( 'Title' ); ?>:</strong></td>
              <td><a title="View fullscreen" target="_blank" href="<?php echo esc_url( $url ) ?>"><?php echo esc_html( $title ) ?></a></td>
                </tr>
            <?php endif; ?>

            <?php if ( $desc ) : ?>
              <tr>
                <td width="80" valign="top"><strong><?php _e( 'Description' ); ?>:</strong></td>
              <td><?php echo esc_html( $desc ) ?></td>
                </tr>
            <?php endif; ?>

      </table>
    <?php endif; ?>

  <iframe src="<?php echo esc_url( $url ) ?>" frameborder="0" style="<?php echo esc_attr( $border ); ?>" scrolling="<?php echo esc_attr( $scroll ); ?>" height="<?php echo esc_attr( $height ); ?>" width="<?php echo esc_attr( $width ); ?>">Get a better browser!</iframe>
</div>
<?php
        $contents = ob_get_contents();
        ob_end_clean();

        return $contents;
    }

    public function shortcode( $attrs, $content = null, $code = '' ) {
        $title  = $desc = $url = '';
        $height = '400px';
        $width  = '100%';
        $border = 'no';
        $scrolling = 'no';

        if ( isset( $attrs['url'] ) ) {
            // New style
            foreach ( array( 'url', 'title', 'desc', 'height', 'width', 'border', 'scrolling' ) AS $attr ) {
                if ( isset( $attrs[$attr] ) )
                    $$attr = $attrs[$attr];
            }
        }
        else {
            // Old style
            $url   = $attrs[0];
            $title = $desc = '';

            if ( isset( $attrs[1] ) )
                $title = $attrs[1];

            if ( count( $attrs ) > 2 )
                $desc = implode( ' ', array_slice( $attrs, 2 ) );
        }

        if ( $url )
            return $this->render( $url, $title, $desc, $width, $height, $border, $scrolling );
        return '';
    }
}

function register_pageview() {
    global $pageview;

    $pageview = new PageView();
}

add_action( 'init', 'register_pageview' );