Adding list of parent, current and child in sidebar

  • Resolved dekraan

    (@dekraan)


    11 years, 3 months ago

    Hi there!

    I have just added a subpage to a page on my blog for the first time, and would love to display a list in the sidebar on the parent that displays the parent itself, and all children. On the childpages, this same list (parent+children) should be visible.

    Looking through the codex, I found the following:

    <?php
//if the post has a parent
if($post->post_parent){
  //collect ancestor pages
  $relations = get_post_ancestors($post->ID);
  //get child pages
  $result = $wpdb->get_results( "SELECT ID FROM wp_posts WHERE post_parent = $post->ID AND post_type='page'" );
  if ($result){
    foreach($result as $pageID){
      array_push($relations, $pageID->ID);
    }
  }
  //add current post to pages
  array_push($relations, $post->ID);
  //get comma delimited list of children and parents and self
  $relations_string = implode(",",$relations);
  //use include to list only the collected pages.
  $sidelinks = wp_list_pages("title_li=&echo=0&include=".$relations_string);
}else{
  // display only main level and children
  $sidelinks = wp_list_pages("title_li=&echo=0&depth=1&child_of=".$post->ID);
}

if ($sidelinks) { ?>
  <h2><?php the_title(); ?></h2>
  <ul>
    <?php //links in <li> tags
    echo $sidelinks; ?>
  </ul>
<?php } ?>

    This works perfect on a child page, displaying child and parent in a neat linkable list. But on the parent page it only displays the child. How can I also add the parent there?

    I am also curious how to delete the ‘title’ this list has. Now it just adds the parents name in plain text…

    Thank you in advance for your help!

Viewing 5 replies - 1 through 5 (of 5 total)
  • Thread Starter dekraan

    (@dekraan)

    11 years, 3 months ago

    This is getting closer to the sollution:

    <?php
     if($post->post_parent) { // if the current page has a parent
          $parent_title = get_the_title($post->post_parent);
          $parent_link = get_permalink($post->post_parent);
          $children = wp_list_pages("title_li=&child_of=".$post->post_parent."&echo=0");?>
          <ul>
          <li><?php echo "<a href='" . $parent_link . "'>" . $parent_title . "</a>"; ?>
          </li>

<?php } else { // if the current page is the parent
          $parent_title = get_the_title($post->ID);
          $parent_link = get_permalink($post->ID);
          $children = wp_list_pages("title_li=&child_of=".$post->ID."&echo=0"); ?>
          <ul>
               <li class="current_page_item"><a href="#"><?php the_title(); ?> Main</a>
               </li>
<?php }
	echo $children; ?>
        </ul>

    Although this also displayes the first post title on my homepage sidebar. And that should be excluded…

    Andrew Nevins

    (@anevins)

    WCLDN 2018 Contributor | Volunteer support

    11 years, 3 months ago

    Can you then use another conditional statement using the is_home function as the argument?

    Thread Starter dekraan

    (@dekraan)

    11 years, 3 months ago

    I have no idea what you are talking about, unfortunately. But that is all my fault 🙂

    Do you mean excluding the home from the equasion? That would be great, but how to do that?

    Basically, what I am looking for is:

    1. Listing parent and children as links in the sidebar of a page that has children.
    2. Keeping that list of parent an children links when you go to the childpage.
    3. No list of links on a page that has no childpages.

    Thread Starter dekraan

    (@dekraan)

    11 years, 3 months ago

    Found a new one, that almost seems to sort it out. Only problem with the code below, is that it doesnt display the parent link on the parent page… is there a way to combine something from these 3 examples of code to make my idea work?

    <?php

/* if the current pages has a parent, i.e. we are on a subpage */
if($post->post_parent){
	$children = wp_list_pages("title_li=&include=".$post->post_parent."&echo=0"); // list the parent page
	$children .= wp_list_pages("title_li=&child_of=".$post->post_parent."&echo=0"); // append the list of children pages to the same $children variable
} 

/* else if the current page does not have a parent, i.e. this is a top level page */
else {
	$children = wp_list_pages("title_li=&child_of=".$post->ID."&echo=0"); // form a list of the children of the current page
}

/* if we ended up with any pages from the queries above */
if ($children) { ?>
	<ul class="submenu">
		<?php echo $children; /*print list of pages*/ ?>
	</ul>
<?php } ?>
    Thread Starter dekraan

    (@dekraan)

    11 years, 3 months ago

    For anyone still interested: this seems to do the trick:

    <?php if ( is_page() ) { ?>
<ul><?php
  if($post->post_parent){
    $parent=get_post($post->post_parent);
    $children = '<li><a href="'.get_permalink($post->post_parent).'">'.$parent->post_title.'</a></li>';
    $children .= wp_list_pages("title_li=&child_of=".$post->post_parent."&echo=0");
  }else{
    $children = '<li><a href="'.get_permalink($post).'">'.$post->post_title.'</a></li>';
    $children .= wp_list_pages("title_li=&child_of=".$post->ID."&echo=0");
  }
echo $children; ?>
</ul>
<?php } ?>

    The secret was starting out with a little is_page code!

Viewing 5 replies - 1 through 5 (of 5 total)
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