Added views support for associated content display.

.gitignore

+/nbproject/private/
\ No newline at end of file

handlers/associated/views.inc

+<?php
+// $Id$
+
+/**
+ * Ajax callback; return just the term display sub-form.
+ *
+ * @return renderable array
+ */
+function taxonomy_display_associated_display_handler_views_callback($form, $form_state) {
+  $field = taxonomy_display_form_fieldset($form, 'associated');
+  if ($field) {
+    return $field['display'];
+  }
+}
+
+/**
+ * Add a display handler that will use the Drupal core method of display.
+ */
+class TaxonomyDisplayAssociatedDisplayHandlerViews extends TaxonomyDisplayAssociatedDisplayHandler {
+  /**
+   * Build our output to be rendered to the user.
+   *
+   * @see TaxonomyDisplayAssociatedDisplayHandler::displayAssociated()
+   */
+  public function displayAssociated($term, $options = NULL) {
+    module_load_include('module', 'views');
+
+    $build = array();
+
+    $build['view'] = array(
+      '#markup' => views_embed_view($options['view'], $options['display'], $term->tid),
+    );
+
+    return $build;
+  }
+
+  /**
+   * Build our form for the fieldset.
+   *
+   * @see TaxonomyDisplayHandlerForm::formFieldset()
+   */
+  public function formFieldset(&$form, &$values, $options = NULL) {
+    module_load_include('module', 'views');
+
+    $form['#description'] = t('Use <em>Views</em> for displaying associated content.');
+
+    // Get options for the view select field.
+    $views = views_get_all_views();
+    $select_options = array();
+    foreach ($views as $view) {
+      if (!isset($view->disabled)) {
+        $select_options[$view->name] = $view->human_name;
+      }
+    }
+    $form['view'] = array(
+      '#ajax' => array(
+        'callback' => 'taxonomy_display_associated_display_handler_views_callback',
+        'wrapper' => 'replace-td-views-display-field',
+      ),
+      '#default_value' => isset($options['view']) ? $options['view'] : FALSE,
+      '#description' => t('Select which view you would like to display the associated content.'),
+      '#options' => $select_options,
+      '#title' => t('View'),
+      '#type' => 'select',
+    );
+
+    // Retrieve the views displays to supply as options.
+    if (isset($values['view'])) {
+      $view = $views[$values['view']];
+    }
+    elseif (isset($options['view'])) {
+      $view = $views[$options['view']];
+    }
+    else {
+      // If the view hasn't been submitted and it's not previously saved then
+      // fetch it as the first view field option.
+      reset($select_options);
+      $view = $views[key($select_options)];
+    }
+
+    $select_options = array();
+    // Get options for the view's display field.
+    foreach ($view->display as $key => $display) {
+      $select_options[$key] = $display->display_title;
+    }
+
+    $form['display'] = array(
+      '#default_value' => isset($options['display']) ? $options['display'] : 'default',
+      '#description' => t('The display selected will have the taxonomy term ID supplied as the first argument.'),
+      '#options' => $select_options,
+      '#prefix' => '<div id="replace-td-views-display-field">',
+      '#suffix' => '</div>',
+      '#title' => 'View\'s display',
+      '#type' => 'select',
+    );
+  }
+
+  /**
+   * TODO: Add validate that ensures the display selected is part of the view, necessary for supporting no JS?
+   */
+
+  /**
+   * We store values to access later for rendering and editing.
+   *
+   * @see TaxonomyDisplayHandlerForm::formSubmit()
+   */
+  public function formSubmit($form, &$values) {
+    // We are using the exact keys that our formFieldset() implementation
+    // defines and we want all of the values stored, so we have no need to alter
+    // them before returning.
+    return $values;
+  }
+}
\ No newline at end of file

taxonomy_display.info

@@ -14,4 +14,5 @@ files[] = handlers/term/core.inc
 files[] = handlers/term/hidden.inc
 ; - For associated content displays
 files[] = handlers/associated/core.inc
-files[] = handlers/associated/hidden.inc
\ No newline at end of file
+files[] = handlers/associated/hidden.inc
+files[] = handlers/associated/views.inc
\ No newline at end of file

taxonomy_display.module

@@ -282,6 +282,28 @@ function taxonomy_display_form_field_ui_display_overview_validate($form, &$form_
   $associated_display->formValidate($td_form['associated_display_form'], $values['associated_display_form']);
 }
 
+/**
+ * Helper function; retrieve the plugin fieldset from configuration form.
+ *
+ * This is set up just so we don't break implementing modules in the future if
+ * we change the form placement for some reason.
+ *
+ * @param array $form
+ *   Form array.
+ * @param string $fetch
+ *   String either 'term' or 'associated'.
+ *
+ * @return array|FALSE
+ *   Returns the form fieldset if valid, otherwise boolean false.
+ */
+function taxonomy_display_form_fieldset(&$form, $fetch = 'term') {
+  if (isset($form['additional_settings']['taxonomy_display'][$fetch . '_display_form'])) {
+    return $form['additional_settings']['taxonomy_display'][$fetch . '_display_form'];
+  }
+
+  return FALSE;
+}
+
 /**
  * Implements of hook_menu_alter().
  */
@@ -344,7 +366,7 @@ function taxonomy_display_plugins($type = NULL) {
 function taxonomy_display_taxonomy_display_plugins() {
   // To add custom plugins in your own hook implementation return an array with
   // the format below:
-  return array(
+  $plugins = array(
     // In the two arrays 'associated' and 'term', provide the implementing class
     // name of your handler as the keys and the text to be displayed to the user
     // for display as the value.
@@ -361,6 +383,13 @@ function taxonomy_display_taxonomy_display_plugins() {
       'TaxonomyDisplayTermDisplayHandlerHidden' => t('Hidden'),
     ),
   );
+
+  // Conditional plugins
+  if (module_exists('views')) {
+    $plugins['associated']['TaxonomyDisplayAssociatedDisplayHandlerViews'] = t('Views');
+  }
+
+  return $plugins;
 }
 
 /**