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name = 'Anchor to attachments'
description = 'Example module to show how to provide an anchor to attachments table of upload.module.'
core = 6.x
version = 6.x-example
package = drupal.hu examples
dependencies[] = upload

<?php
function anchor_to_attachments_example_nodeapi(&$node, $op, $a3 = NULL, $a4 = NULL) {
	if ($op == 'view') {
		if (!empty($node->files) && $a4) {
			$node->content['files-anchor'] = array(
				'#value' => l(t('Jump to attachments'), '', array('fragment' => 'attachments', 'external' => TRUE, 'attributes' => array('id' => 'files-anchor'))),
				'#weight' => -10,
			);
		}
	}
}
?>

name = Scroll to attachment
description = Scroll to attachment in the node view
version = VERSION
core = 6.x
 
dependencies[] = upload

<?php
/**
 * Implementation of hook_perm().
 * 
 * Define the following permissions:
 *   - configure scroll to attachment
 */
function scroll2attachment_perm() {
  return array('configure scroll to attachment');
}
 
/**
 * Implementation of hook_menu().
 * 
 * Define the following menu items:
 *   - admin/settings/scroll2attachment
 * 
 * @return array of the defined menu items
 * 
 * @see scroll2attachment_settings_form()
 */
function scroll2attachment_menu() {
  $items = array();
 
  $items['admin/settings/scroll2attachment'] = array(
    'title' => 'Configure scroll to attachment',
    'access arguments' => array('configure scroll to attachment'),
    'page callback' => 'drupal_get_form',
    'page arguments' => array('scroll2attachment_settings_form'),
  );
 
  return $items;
}
 
/**
 * Settings form.
 * 
 * @param unknown_type $form_state
 * @return unknown_type
 */
function scroll2attachment_settings_form($form_state) {
  $form = array();
 
  // Defined node types
  $types = node_get_types();
 
  $options = array();
 
  // Create select options
  foreach ($types as $type) {
    $options[$type->type] = $type->name;
  }
 
  $form['scroll2attachment_node_types'] = array(
    '#type' => 'select',
    '#multiple' => TRUE,
    '#title' => t('Enable the following node types'),
    '#required' => TRUE,
    '#default_value' => variable_get('scroll2attachment_node_types', array()),
    '#options' => $options,
  );
 
  return system_settings_form($form);
}
 
/**
 * Implementation of hook_nodeapi().
 */
function scroll2attachment_nodeapi(&$node, $op, $a3 = NULL, $a4 = NULL) {
  switch ($op) {
    case 'view':
      if ($a4 && !empty($node->files) && array_key_exists($node->type, variable_get('scroll2attachment_node_types', array()))) {
        $node->content['scroll2attachment'] = array(
          '#value' => l(t('Jump to attachments'), '', array('fragment' => 'attachments', 'external' => TRUE, 'attributes' => array('class' => 'scroll2attachment'))),
          '#weight' => -10,
        );
        drupal_add_js(drupal_get_path('module', 'scroll2attachment') . '/jquery.scrollTo.js');
        drupal_add_js(drupal_get_path('module', 'scroll2attachment') . '/scroll2attachment.js');
 
      }
      break;
 
  }
}
?>

/**
 * Create behavior to create button.
 * 
 * @param {Object} context
 */
Drupal.behaviors.scroll2attachment = function(context) {
  // Can't use attr('type', 'button') for inputs in jQuery
  var scroll2attachment_btn = $('<input type="button" />')
    .val(Drupal.t('Jump to attachments')) // Use Drupal t() function for translation in JS too
    .addClass('toAttachmentsButton')
    .click(function() {
      // Click event
      $.scrollTo('#attachments', 500);
      return false;
    });
 
  // Add the button, and remove the link	
  $('.scroll2attachment', context).before(scroll2attachment_btn).remove();
};