dagsplug/plug_widgets.php

<?php

if (!class_exists("plug_widgets")) {
	class plug_widgets {	
		function __construct($ns) {
			$this->title = __("Fancy Widgets","dagsopt");
			$this->pluginname = $ns->pluginname;
			$this->file = $ns->file;
			$this->ns = $ns;
			}
		function start() {
			if(get_option($this->pluginname."_widgets") == "on"){

				add_action( 'widgets_init', function(){ return register_widget("DisplayPageWidget"); } );
				add_action( 'widgets_init', function(){ return register_widget("dags_subpageswidget"); } );
				add_action( 'widgets_init', function(){ return register_widget("DisplayPageChildrenWidget"); } );

			}

		}

	 
		function help(){
			?>
		<?php echo(__("Adds fancy widgets","dagsopt")) ?><br>
			Display Page Widget<br>
			Subpages Widget<br>
			
		<?php		
		}
	 	function Option($pre){
			//update_option ( $pre.'_data', $_POST [ $pre.'_data' ] );
 		}
	 	function admin_line($pre){
		  ?>

		  <?php  
		}	
	}

	global $plug_widgets;
	$plug_widgets = new plug_widgets($this);		
			$this->dagsopt['plug_widgets'] = $plug_widgets;
			
}



class DisplayPageChildrenWidget extends WP_Widget
{
  function __construct()
  {
    $widget_ops = array('classname' => 'DisplayPageChildrenWidget', 'description' => 'Show Page Children Widget' );
    parent::__construct('DisplayPageChildrenWidget', 'Page Children Widget', $widget_ops);
  }
 
  function form($instance)
  {
    $instance = wp_parse_args( (array) $instance, array( 'title' => '','page_id'=>'' ) );
    $title = $instance['title'];
    $pageid = $instance['page_id'];

?>
  <p><label for="<?php echo $this->get_field_id('title'); ?>">Title: <input class="widefat" id="<?php echo $this->get_field_id('title'); ?>" name="<?php echo $this->get_field_name('title'); ?>" type="text" value="<?php echo attribute_escape($title); ?>" /></label></p>
<p><label for="<?php echo $this->get_field_id('page_id'); ?>">
	Page: <?php wp_dropdown_pages(array('selected'         => $pageid,'name'=>$this->get_field_name('page_id') )); ?>
	</label></p>
	
  
<?php
  }
 
  function update($new_instance, $old_instance)
  {
    $instance = $old_instance;
    $instance['title'] = $new_instance['title'];
    $instance['page_id'] = $new_instance['page_id'];

    return $instance;
  }
 
  function widget($args, $instance)
  {
    extract($args, EXTR_SKIP);
 
    echo $before_widget;
    $title = empty($instance['title']) ? ' ' : apply_filters('widget_title', $instance['title']);
 
    if (!empty($title))
		echo $before_title . $title . $after_title;;


		$args = array(
			'depth'        => 0,
			'show_date'    => '',
			'date_format'  => get_option('date_format'),
			'child_of'     => $instance['page_id'],
			'exclude'      => '',
			'include'      => '',
			'title_li'     => '',
			'echo'         => 1,
			'authors'      => '',
			'sort_column'  => 'menu_order, post_title',
			'link_before'  => '',
			'link_after'   => '',
			'walker'       => '',
			'post_type'    => 'page',
			'post_status'  => 'publish' 
		);

			wp_list_pages( $args );
 
/*		query_posts('post_type=page&post_parent='.$instance['page_id'].'&orderby=menu_order&order=ASC');

		if (have_posts()) : 
			while (have_posts()) : the_post();
				echo "<li><a href='".get_permalink()."'>".get_the_title();
				echo "</a></li>";	
			endwhile;
		endif; 
		wp_reset_query();
*/

 
    echo $after_widget;
  }
 
}







class DisplayPageWidget extends WP_Widget
{
  function __construct()
  {
    $widget_ops = array('classname' => 'DisplayPageWidget', 'description' => 'Show Page as Widget' );
    parent::__construct('DisplayPageWidget', 'Display Page Widget', $widget_ops);
  }
 
  function form($instance)
  {
    $instance = wp_parse_args( (array) $instance, array( 'title' => '', 'page_id'=>'' ) );
    $title = $instance['title'];
    $pageid = $instance['page_id'];
    
?>
  <p><label for="<?php echo $this->get_field_id('title'); ?>">Title: <input class="widefat" id="<?php echo $this->get_field_id('title'); ?>" name="<?php echo $this->get_field_name('title'); ?>" type="text" value="<?php echo attribute_escape($title); ?>" /></label></p>
  <p><label for="<?php echo $this->get_field_id('page_id'); ?>">
	Page: <?php wp_dropdown_pages(array('selected'         => $pageid,'name'=>$this->get_field_name('page_id') )); ?>
	</label></p>
<?php
  }
 
  function update($new_instance, $old_instance)
  {
    $instance = $old_instance;
    $instance['title'] = $new_instance['title'];
    $instance['page_id'] = $new_instance['page_id'];
    return $instance;
  }
 
  function widget($args, $instance)
  {
    extract($args, EXTR_SKIP);
 
    echo $before_widget;
    $title = empty($instance['title']) ? ' ' : apply_filters('widget_title', $instance['title']);
 
    if (!empty($title))
       echo $before_title . $title . $after_title;
		$page = get_page( $instance['page_id'] );

		echo('<div class="pw'.$instance['page_id'].'">');
		echo apply_filters('the_content',$page->post_content);
		echo('</div>');
    echo $after_widget;
  }
 
}



	 
class dags_subpageswidget extends WP_Widget
{
	public function __construct() {
		parent::__construct(
	 		'dags_subpageswidget', // Base ID
			'DAGS_subpageswidget', // Name
			array( 'description' => __( 'Widget which shows child pages', 'dagsopt' ), ) // Args
		);
 	}
	public function widget( $args, $instance ) {
		$child_of = 0 ;
		if ( is_page() )
			$child_of = get_the_ID() ;
		
		$childs = array(
			'title_li' => '',
			'child_of' => $child_of,
			'depth' => 1,
			'echo' => 0,
			'exclude' => $instance['exclude']
		) ;
		
		
		$brothers = array_merge( $childs, array( 'child_of' => $GLOBALS['post']->post_parent ) ) ;
		
			$wp_list_pages = wp_list_pages($childs);

			$page = $child_of;
			$parent = $GLOBALS['post']->post_parent;
			$grandparent = get_post( $parent)->post_parent;
			
			if($grandparent === 0){
			}else{
				$wp_list_pages = wp_list_pages($brothers);
			}






		
		extract( $args );
		$title = apply_filters( 'widget_title', $instance['title'] );

		echo $before_widget;
		
		
		if ( ! empty( $title ) )
			echo $before_title . $title . $after_title;
		
		echo $wp_list_pages. $after_widget;
		
	}

	 
	public function update( $new_instance, $old_instance ) {
		$instance = array();
		$instance['title'] = strip_tags( $new_instance['title'] );
		$instance['exclude'] = implode( ',', array_unique( array_filter( array_map( 'trim', preg_split( '/(\s)*,(\s)*/', $new_instance['exclude'] ) ), 'is_numeric' ) ) ) ;

		return $instance;
	}

	 
	public function form( $instance ) {
		
		$title = '' ;
		if ( isset( $instance[ 'title' ] ) )
			$title = $instance[ 'title' ];
		
		$exclude = '' ;
		if ( isset( $instance[ 'exclude' ] ) )
			$exclude = $instance[ 'exclude' ];
		
		$exclude_id = $this->get_field_id( 'exclude' ) ;
		$select_name = $this->get_field_id( 'page_id' ) ;
		
		?>
		<p>
		<label for="<?php echo $this->get_field_id( 'title' ); ?>"><?php _e( '<strong>Title</strong>:', 'dagsopt' ); ?></label> 
		<input class="widefat" id="<?php echo $this->get_field_id( 'title' ); ?>" name="<?php echo $this->get_field_name( 'title' ); ?>" type="text" value="<?php echo esc_attr( $title ); ?>" />
		</p>
		<p>
		<label for="<?= $exclude_id ?>"><?php _e( '<strong>Exclude pages</strong>. Comma separated page ID values. Write:', 'dagsopt' ); ?></label> 
		<input class="widefat" id="<?= $exclude_id ?>" name="<?php echo $this->get_field_name( 'exclude' ); ?>" type="text" value="<?php echo esc_attr( $exclude ); ?>" />
		<br><?= __( ' or select: ', 'dagsopt' ) ?>
		<?php wp_dropdown_pages( array( 'show_option_none' => __('-- select --', 'dagsopt'), 'name' => $select_name ) ) ; ?>
		<br><a href="#<?= $exclude_id ?>" rel="#<?= $select_name ?>" onclick="return false" class="exclude"><?= __( 'Exclude selected', 'dagsopt' ) ?></a>
		
		<?php 
	}
	
 

}