View with taxonomy arguments, presented all on the same page: Terms as headlines, displayed hierarchically

Abstract

The approach described here is intended to create an overview of the hierarchy of a taxonomy & showing the related nodes. The layout of the nodes is defined by the associated view (see below). This could be useful e.g. for a list of all downloads of a page.

Example

Term 1 with Depth 0

node one of term 1, layout depending on view-settings
node two of term 1, layout depending on view-settings
etc., number depending on view-settings

Term 2 with Depth 0

Term 3 with Depth 1, child of Term 2

nodes of term 3, layout depending on view-settings

Term 4 with Depth 0

nodes of term 4, layout depending on view-settings

Term 5 with Depth 1, child of Term 4

nodes of term 5, layout depending on view-settings

(link to an example of a production site will be included later)

Steps to be taken

1. The Vocabulary

Create a new (optional: hierarchically) taxonomy or use an existing taxonomy. Remember its ID. It will be inserted in the PHP snippet shown in step 3.

2. The View

Create a new view for the nodes that use the vocabulary of step 1. As Argument Type for this view, set Taxonomy: Term Name. Remember the views name. It will be inserted in the PHP snippet shown below.

3. The php Snippet

Create new content or use existing content with PHP as input format. Then paste the following code and enter your values of step 1 & 2 in lines 2 & 5:

<?php
/* Enter the ID of the vocabulary which terms you want to show as headlines */
$vocabulary_id = "0";

/*Enter the name of the view that should show the nodes */
$view_name = "YOUR_VIEW";


/* Only edit if you know what you're doing */
$view = views_get_view($view_name);
if (!$view) {
    drupal_not_found();
    exit;
}
foreach(taxonomy_get_tree($vocabulary_id,0,-1,1) as $value) {
  print t("<div style='margin-bottom: 4em;'><h3>" . $value->name . "</h3>");
  print views_build_view('embed', $view, array($value->name), FALSE, $view->nodes_per_block);
  if ( taxonomy_get_children($value->tid) ) {
     print t("<div style='margin-left: 2em;'>");
     foreach( taxonomy_get_children($value->tid) as $child ) {
        print t("<h4 style='margin-top:2em;'>" . $child->name . "</h4>");
        print views_build_view('embed', $view, array($child->name), FALSE, $view->nodes_per_block);
      }
      print t("</div>");
  }
  print t("</div>");
}
?>

Known issues

Currently the code only support terms of the first two depths (the modifications to support unlimited depths shouldn't be hard to do)
Hard coded CSS styles: I suggest to exchange them with your CSS classes.

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View showing taxonomy terms with related nodes

mpeal - April 11, 2008 - 20:02

This snippet does exactly what I need, a list of events at each of several facilities.
I needed to make one important change.
As given, it displays the whole content of an event node. But the view associated with my block wants only a few fields to show.
In the line that starts print views_build_view('embed' I changes 'embed' to 'block'
The parameters for views_build_view are explained here: http://drupal.org/node/99721