'fieldset', '#title' => t('Tutorials'), '#collapsible' => TRUE, '#collapsed' => $collapsed, ); $form['themekey_help_tutorials']['Rule Chaining: Using a special theme for content creation depending on user roles'] = array( '#type' => 'fieldset', '#title' => t('Rule Chaining: Using a special theme for content creation depending on user roles'), '#collapsible' => TRUE, '#collapsed' => TRUE, ); $form['themekey_help_tutorials']['Rule Chaining: Using a special theme for content creation depending on user roles']['author'] = array( '#type' => 'item', '#title' => t('Author'), '#value' => l(t('!path', array('!path' => 'mkalkbrenner')), 'http://drupal.org/user/124705'), ); $img_path = base_path() . drupal_get_path('module', 'themekey') . '/img/tutorials/'; $form['themekey_help_tutorials']['Rule Chaining: Using a special theme for content creation depending on user roles']['item'] = array( '#type' => 'item', '#value' => '

' . t('Note: This tutorial uses some ThemeKey properties from an additional module called !themekey_properties_link.', array('!themekey_properties_link' => l(t('!path', array('!path' => 'ThemeKey Properties')), 'http://drupal.org/project/themekey_properties'))) . '

' . '

' . t("In this tutorial you'll learn how to define ThemeKey rules and how to cascade them to achieve sophisticated rule chains.") . '

' . '

' . t("The use case is to use a different theme during content creation for premium users, e.g., you don't want to show advertisements or you want to show some advanced help blocks ...") . '

' . '

' . t('Therefore you created two user roles called "premium user" and "standard user". Using ThemeKey it\'s easy to create a rule that switches the theme if a user\'s role is "premium user":') . '
' . '' . t('ThemeKey rule that switches the theme if the user\'s role is

' . '

' . t('Similarly, we can also create a rule that switches the theme if a content creation form is requested. To do this for any kind of content we use ThemeKey\'s drupal:path property and its wildcard feature:') . '
' . '' . t('ThemeKey rule that switches the theme on content creation forms') . '

' . '

' . t('But having these two separate rules is not what our use case describes. To implement our use case, we have to cascade or "chain" both rules. By dragging on the cross icon in front of a rule, you can move any rule up and down or indent it. The chain we need should like this:') . '
' . '' . t('ThemeKey rule chain that switches the theme on content creation forms for premium users') . '

' . '

' . t('Now using this chain, ThemeKey only switches the theme on content creation forms if the current user\'s role is "premium user". Non-premium users will use the current standard system theme.') . '

' . '

' . t('You might have noticed that the theme select box disappeared for the first rule as you indented the second one. That\'s because both separate rules became one.') . '

' . '

' . t('Now it\'s possible to extend our chain to use another dedicated theme on content creation forms for "standard users".') . '
' . '' . t('ThemeKey rule chain that switches to different themes on content creation forms for different user roles') . '

' . '

' . t('If you have more than these two roles in your system and you simply want to use one theme for premium users and another for non-premium users, on content creation pages, you don\'t need to add one rule per role, as described above. In this case, it\'s easier to change the latest rule we added and say any other rule other than "premium user", using ThemeKey\'s not operator "!".') . '
' . '' . t('Another ThemeKey rule chain that switches to different themes on content creation forms for different user roles') . '

' . '

' . t('Now that we have implemented our use case using chained ThemeKey rules, you can add more rules to ThemeKey\'s Rule Chain to implement different use cases. The only decision you have to make is the order the rules are checked by ThemeKey on every page request. To demonstrate this, let\'s add another rule that switches the theme if the user uses an iPhone to access your page.') . '
' . '' . t('ThemeKey rule chain selecting special theme for iPhones') . '

' . '

' . t('What happens now is that ThemeKey switches to a special theme for iPhones whenever the user accesses your page using such a device, because ThemeKey stops processing the rules if a rule, or one set of chained rules, matches. This means that content creation forms are shown using the iPhone theme, regardless of the role assigned to the current user.') . '

' . '

' . t('I think that\'s a good choice. If you move the iPhone rule below the chain for the content cration form, these forms will use the configured themes even on the iPhone, which might not be suitable for displaying them.') . '

' . '

' . t('If you\'d like to treat node creation forms differently, even on the iPhone, you should "chain" a dedicated set of rules for that.') . '
' . '' . t('Sophisticated ThemeKey rule chain') . '

' . '

' . t('Have Fun!') . '

', ); $form['themekey_help_tutorials']['Rule Chaining: Using a special theme for content creation depending on user roles']['versions'] = array( '#type' => 'fieldset', '#title' => t('Versions used to create this tutorial'), '#collapsible' => FALSE, ); $form['themekey_help_tutorials']['Rule Chaining: Using a special theme for content creation depending on user roles']['versions']['themekey'] = array( '#type' => 'item', '#title' => t('ThemeKey'), '#value' => '6.x-2.0', ); $form['themekey_help_tutorials']['Rule Chaining: Using a special theme for content creation depending on user roles']['versions']['themekey_ui'] = array( '#type' => 'item', '#title' => t('ThemeKey Properties'), '#value' => '6.x-2.0', ); return $form; } /** * Uses Drupal's form builder to format ThemeKey's help examples * * @see themekey_help() */ function themekey_help_examples_form($form_state, $collapsed = TRUE) { $form['themekey_help_examples'] = array( '#type' => 'fieldset', '#title' => t('Examples'), '#collapsible' => TRUE, '#collapsed' => $collapsed, ); $form['themekey_help_examples']['Set a special theme for site administrator'] = array( '#type' => 'fieldset', '#title' => t('Set a special theme for site administrator'), '#collapsible' => TRUE, '#collapsed' => TRUE, ); $form['themekey_help_examples']['Set a special theme for site administrator']['item'] = array( '#type' => 'item', '#value' => t('Create Theme Switching Rules:') . '
Property: user:uid
Operator: =
Value: 1
', ); // TODO: add some examples using drupal:path and drupal:path:wildcard $form['themekey_help_examples']['TODO: add some examples using drupal:path and drupal:path:wildcard'] = array( '#type' => 'fieldset', '#title' => 'TODO: add some examples using drupal:path and drupal:path:wildcard', '#collapsible' => TRUE, '#collapsed' => TRUE, ); $form['themekey_help_examples']['TODO: add some examples using drupal:path and drupal:path:wildcard']['item'] = array( '#type' => 'item', '#value' => 'TODO' . '
',
    );

  return $form;
}


/**
 * Uses Drupal's form builder to format ThemeKey's help properties
 *
 * @see themekey_help()
 */
function themekey_help_properties_form($form_state, $collapsed = TRUE) {
  module_load_include('inc', 'themekey', 'themekey_admin');

  $page_cache_support_desriptions = themekey_get_page_cache_support_desriptions();

  $attributes = variable_get('themekey_attributes', array());

  $form['themekey_help_properties'] = array(
    '#type' => 'fieldset',
    '#title' => t('Properties explained'),
    '#collapsible' => TRUE,
    '#collapsed' => $collapsed,
  );

  foreach ($attributes as $property => $attribute) {
    $form['themekey_help_properties'][$property] = array(
      '#type' => 'fieldset',
      '#title' => $property,
      '#collapsible' => TRUE,
      '#collapsed' => TRUE,
    );

    $form['themekey_help_properties'][$property]['item'] = array(
      '#type' => 'item',
      '#title' => t('Description'),
      '#value' => '' . $attribute['description'],
    );

    $form['themekey_help_properties'][$property]['page_cache'] = array(
      '#type' => 'item',
      '#title' => t('Page Cache'),
      '#value' => '' . $page_cache_support_desriptions[$attribute['page cache']],
    );
  }

  return $form;
}


/**
 * Uses Drupal's form builder to format ThemeKey's help operators
 *
 * @see themekey_help()
 */
function themekey_help_operators_form($form_state, $collapsed = TRUE) {
  $form['themekey_help_operators'] = array(
    '#type' => 'fieldset',
    '#title' => t('Operators explained'),
    '#collapsible' => TRUE,
    '#collapsed' => $collapsed,
  );

  $form['themekey_help_operators']['='] = array(
    '#type' => 'item',
    '#value' => t('=
equals (exact value of a property, consider ThemeKey Debug to get an impression of the possible values)'),
  );

  $form['themekey_help_operators']['!'] = array(
    '#type' => 'item',
    '#value' => t('!
not equal to'),
  );

  $form['themekey_help_operators']['<'] = array(
    '#type' => 'item',
    '#value' => t('<
less than (alphanumeric values are treated in alphabetical order: "A" is less than "B", but "B" is less than "a")'),
  );

  $form['themekey_help_operators']['<='] = array(
    '#type' => 'item',
    '#value' => t('<=
less than or equal to (alphanumeric values are treated in alphabetical order: "a" is less than "b" but "B" is less than "a" and "A" is less than "a")'),
  );

  $form['themekey_help_operators']['>'] = array(
    '#type' => 'item',
    '#value' => t('>
greater (alphanumeric values are treated in alphabetical order: "b" is greater than "a" but "a" is greater than "B")'),
  );

  $form['themekey_help_operators']['=>'] = array(
    '#type' => 'item',
    '#value' => t('=>
greater than or equal to (alphanumeric values are treated in alphabetical order: "b" is greater than "a" but "a" is greater than "B" and "a" is greater than "A")'),
  );

  $form['themekey_help_operators']['~'] = array(
    '#type' => 'item',
    '#value' => t('~
regular expression including delimiters and modifiers (see !link)', array('!link' => l(t('PHP Manual'), 'http://php.net/manual/en/pcre.pattern.php'))),
  );

  return $form;
}