delta_ui.admin.inc in Delta 7.2

Delta UI functionality

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File

delta_ui.admin.inc

<?php

/**
 * @file 
 * Delta UI functionality
 *
 * ===============================
 * ====  =========  ==============
 * ====  =========  ==============
 * ====  =========  ===  =========
 * ====  ===   ===  ==    ===   ==
 * ==    ==  =  ==  ===  ===  =  =
 * =  =  ==     ==  ===  ======  =
 * =  =  ==  =====  ===  ====    =
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 * ==    ===   ===  ===   ===    =
 * ===============================
 * 
 */

/**
 * Menu callback; displays the delta listing page.
 */
function delta_theme_settings_config($form, &$form_state) {
  drupal_set_title(t('Delta Theme Settings'));
  $form['delta'] = array(
    '#type' => 'fieldset',
    '#title' => t('Delta Theme API Settings & Configuration'),
    '#description' => t('In these default settings for <a href="http://himer.us/delta-module">Delta</a>, you can select which active themes will use contextual theme settings. Only enabled themes are listed here.'),
    '#collapsible' => TRUE,
    '#collapsed' => FALSE,
  );

  // get active themes for the settings form
  $filter_themes = FALSE;
  $themes = delta_get_themes_form_array($filter_themes);

  // create checkboxes to select themes that may be manipulated
  $form['delta']['delta_themes'] = array(
    '#type' => 'checkboxes',
    '#title' => t('Themes to manipulate'),
    '#options' => $themes,
    '#default_value' => variable_get('delta_themes', array()),
    '#description' => t('Here you may select the themes that should be manipulated by Delta. Only themes that are enabled will be listed. You can enable/disable themes via the <a href="' . base_path() . 'admin/appearance">Theme Administration</a> page.'),
  );
  return system_settings_form($form);
}

/**
 * Menu callback;
 */
function delta_layouts_view($theme_name = FALSE) {
  drupal_set_title(t('Delta Layouts'));
  $delta_layouts_list = drupal_get_form('delta_layouts_list', $theme_name);
  return render($delta_layouts_list);
}

/**
 * Menu callback; displays the delta listing page.
 */
function delta_layouts_list($form, &$form_state) {
  $form = array();
  $form['delta'] = array(
    '#type' => 'vertical_tabs',
    '#weight' => 10,
  );
  $themes = delta_get_themes_array();
  foreach ($themes as $info) {

    // create fieldset for each theme we have the ability to manipulate
    $form['delta'][$info->name] = array(
      '#type' => 'fieldset',
      '#title' => t($info->info['name']),
    );

    // build the data for each theme, and it's theme settings templates
    $form['delta'][$info->name]['content'] = delta_get_layouts($info->name);
  }
  return $form;
}

/**
 * delta_get_layouts function.
 * 
 * @access public
 * @param mixed $theme. (default: FALSE)
 * @return void
 * @todo Make the SQL SELECT statement conform to the PDO
 */
function delta_get_layouts($theme = FALSE) {
  if (isset($theme)) {
    $header = array(
      t('Name'),
      array(
        'data' => t('Operations'),
        'colspan' => '3',
      ),
    );
    $rows = array();
    $sql = "\n\t    SELECT dt.name, dt.system_name, dt.tid \n\t    FROM {delta_theme_settings} dt\n\t    WHERE dt.theme = :theme\n\t    ORDER BY dt.name ASC";
    $result = db_query($sql, array(
      ':theme' => $theme,
    ), array(
      'fetch' => PDO::FETCH_ASSOC,
    ));
    foreach ($result as $item) {
      $row = array(
        'name' => '<h3>' . $item['name'] . '</h3><span class="description"><strong>' . t('Machine Name: ') . '</strong><em>' . $item['system_name'] . '</em></span>',
        'edit' => l(t('Edit'), 'admin/appearance/delta/layouts/edit/' . $item['system_name']),
        'configure' => l(t('Configure'), 'admin/appearance/delta/layouts/configure/' . $item['system_name']),
        'delete' => l(t('Delete'), 'admin/appearance/delta/layouts/delete/' . $item['system_name']),
      );
      $rows[] = $row;
    }
    $build['table'] = array(
      '#theme' => 'table',
      '#header' => $header,
      '#rows' => $rows,
      '#empty' => t('No theme settings templates available. <a href="@link">Add layout</a>.', array(
        '@link' => url('admin/appearance/delta/layouts/add'),
      )),
    );
    return $build;
  }
  return FALSE;
}

/**
 * delta_get_layout_data function.
 * 
 * @access public
 * @param mixed $layout
 * @return void
 * @todo Make the SQL SELECT statement conform to the PDO
 */
function delta_get_layout_data($layout) {
  $sql = "\n      SELECT dt.name, dt.system_name, dt.tid, dt.data, dt.theme\n      FROM {delta_theme_settings} dt\n      WHERE dt.system_name = :layout\n      LIMIT 1";
  $result = db_query($sql, array(
    ':layout' => $layout,
  ), array(
    'fetch' => PDO::FETCH_ASSOC,
  ));
  foreach ($result as $item) {
    $data = $item;
  }
  return $data;
}

/**
 * Form callback for creating and editing theme settings templates
 * 
 * @param $form
 * @param $form_state
 */
function delta_layout_edit($form, &$form_state, $layout = FALSE) {
  if ($layout) {

    //drupal_set_message('we are editing <strong>' . $layout . '</strong>.');
    $data = delta_get_layout_data($layout);
  }
  $form = array();
  if (isset($form_state['build_info']['args'][0])) {
    drupal_set_title(t('Edit Delta Layout'));
    $edit = $form_state['build_info']['args'][0];
  }
  else {
    drupal_set_title(t('Add Delta Layout'));
  }
  $form['delta'] = array(
    '#type' => 'vertical_tabs',
    '#weight' => -100,
    '#prefix' => '',
    '#suffix' => '<div id="theme_settings_replace"></div>',
  );
  $form['delta']['settings'] = array(
    '#type' => 'fieldset',
    '#title' => t('Layout Settings'),
    '#collapsible' => TRUE,
    '#collapsed' => FALSE,
  );
  $form['delta']['settings']['tid'] = array(
    '#type' => 'value',
    '#value' => isset($data['tid']) ? $data['tid'] : NULL,
  );
  $form['delta']['settings']['title'] = array(
    '#type' => 'textfield',
    '#title' => t('Name of Layout'),
    '#required' => TRUE,
    '#size' => 32,
    '#default_value' => isset($data['name']) ? $data['name'] : NULL,
  );
  $form['delta']['settings']['name'] = array(
    '#type' => 'machine_name',
    '#title' => t('System name'),
    '#default_value' => isset($data['system_name']) ? $data['system_name'] : NULL,
    '#maxlength' => 64,
    '#description' => t('A unique name to construct the URL for the template. It must only contain lowercase letters, numbers and hyphens.'),
    '#machine_name' => array(
      'exists' => 'delta_layout_name_exists',
      'source' => array(
        'delta',
        'settings',
        'title',
      ),
      'label' => t('System Name'),
      'replace_pattern' => '[^a-z0-9-]+',
      'replace' => '-',
    ),
    '#disabled' => isset($data['tid']) ? TRUE : FALSE,
  );
  $allowed_themes = variable_get('delta_themes', array());
  $themes = delta_get_themes_form_array($allowed_themes);
  $form['delta']['settings']['theme'] = array(
    '#type' => 'select',
    '#title' => t('Theme'),
    '#default_value' => isset($data['theme']) ? $data['theme'] : NULL,
    '#options' => array(
      'none' => 'Select Theme',
    ) + $themes,
    /*
         '#ajax' => array(
          'callback' => 'delta_load_theme_settings_callback',
          'wrapper' => 'theme_settings_replace',
          'method' => 'replace',
          'effect' => 'fade',
        ), */

    // disable changing the theme this is associated with after creation
    // you would need to create a new one to do something like that. :P
    '#disabled' => isset($data['tid']) ? TRUE : FALSE,
  );

  /*
  	$form['delta']['overrides'] = array(
    '#type' => 'fieldset',
    '#title' => t('Theme Settings Overrides'),
    '#collapsible' => TRUE,
    '#collapsed' => FALSE,
  );
  if (isset($data['theme'])) {
  	$form['delta']['overrides']['custom'] = delta_load_theme_settings_callback($form, $form_state, $data['theme']);
  }
  */
  $form['actions'] = array(
    '#type' => 'actions',
  );
  $form['actions']['submit'] = array(
    '#type' => 'submit',
    '#value' => t('Save'),
  );

  // Only custom theme setting templates may be deleted.

  /*
  $form['actions']['delete'] = array(
    '#type' => 'submit',
    '#value' => t('Delete'),
    //'#access' => isset($edit) ? TRUE : FALSE,
  );
  */

  //krumo($form);
  return $form;
}

/**
 * delta_template_configure function.
 * 
 * @access public
 * @param mixed $form
 * @param mixed &$form_state
 * @param mixed $layout. (default: FALSE)
 * @return void
 */
function delta_layout_configure($form, &$form_state, $layout = FALSE) {
  if ($layout) {
    $data = delta_get_layout_data($layout);
    drupal_set_title(t('Editing ' . $data['name']));
  }
  if (isset($data['theme'])) {
    $form = delta_load_theme_settings_callback($data['theme'], $layout);
    $form['#submit'] = array(
      'delta_ui_layout_configure_submit',
    );
    $form['#validate'] = array(
      'delta_ui_layout_configure_validate',
    );
    $form['actions'] = array(
      '#type' => 'actions',
    );
    $form['actions']['submit'] = array(
      '#type' => 'submit',
      '#value' => t('Save Layout'),
    );
    return $form;
  }
  return 'Error Loading Theme Settings form...';
}

/**
 * delta_template_configure function.
 * 
 * @access public
 * @param mixed $form
 * @param mixed &$form_state
 * @param mixed $layout. (default: FALSE)
 * @return void
 */
function delta_layout_delete($form, &$form_state, $layout = FALSE) {
  if ($layout) {
    $data = delta_get_layout_data($layout);
    drupal_set_title(t('Deleting ' . $data['name']));
  }
  if (isset($data['theme'])) {
    $form = array();
    $form['tid'] = array(
      '#type' => 'value',
      '#value' => isset($data['tid']) ? $data['tid'] : NULL,
    );
    $form['template_delete'] = array(
      '#markup' => '<p><strong>WARNING:</strong> Deleting this theme settings layout will immediately make it unavailable.</p>',
    );
    $form['#submit'] = array(
      'delta_ui_layout_delete_submit',
    );
    $form['actions'] = array(
      '#type' => 'actions',
    );
    $form['actions']['submit'] = array(
      '#type' => 'submit',
      '#value' => t('Delete Layout'),
    );
    return $form;
  }
  return 'Error Loading Theme Settings form...';
}
function delta_load_theme_settings_callback($theme, $layout) {
  if ($theme != 'none') {
    $key = $theme;
    $var = 'theme_delta_' . $layout . '_settings';
    $themes = system_rebuild_theme_data();
    $features = $themes[$key]->info['features'];
    $form = array();
    $form_state['build_info']['args'][0] = $key;

    // Call engine-specific settings.
    $function = $themes[$key]->prefix . '_engine_settings';
    if (function_exists($function)) {
      $form['engine_specific'] = array(
        '#type' => 'fieldset',
        '#title' => t('Theme-engine-specific settings'),
        '#description' => t('These settings only exist for the themes based on the %engine theme engine.', array(
          '%engine' => $themes[$key]->prefix,
        )),
      );
      $function($form, $form_state);
    }

    // create the variable we will store the data in.
    $form['var'] = $form['delta_template'] = array(
      '#type' => 'hidden',
      '#value' => $var,
    );

    // Create a list which includes the current theme and all its base themes.
    if (isset($themes[$key]->base_themes)) {
      $theme_keys = array_keys($themes[$key]->base_themes);
      $theme_keys[] = $key;
    }
    else {
      $theme_keys = array(
        $key,
      );
    }

    // Save the name of the current theme (if any), so that we can temporarily
    // override the current theme and allow theme_get_setting() to work
    // without having to pass the theme name to it.
    $default_theme = !empty($GLOBALS['theme_key']) ? $GLOBALS['theme_key'] : NULL;
    $GLOBALS['theme_key'] = $key;

    // Process the theme and all its base themes.
    foreach ($theme_keys as $theme) {

      // Include the theme-settings.php file.
      $filename = DRUPAL_ROOT . '/' . str_replace("/{$theme}.info", '', $themes[$theme]->filename) . '/theme-settings.php';
      if (file_exists($filename)) {
        require_once $filename;
      }

      // Call theme-specific settings.
      $function = $theme . '_form_system_theme_settings_alter';
      if (function_exists($function)) {
        $function($form, $form_state, $theme);
      }
    }

    // Restore the original current theme.
    if (isset($default_theme)) {
      $GLOBALS['theme_key'] = $default_theme;
    }
    else {
      unset($GLOBALS['theme_key']);
    }

    //krumo($form);

    //$variable = variable_get('theme_delta_omega_starterkit_omega-starterkit-home-layout_settings');

    //krumo($variable);

    //module_load_include('inc', 'system', 'system.admin');

    //$form = drupal_get_form('system_theme_settings', $theme);
    return $form;
  }
  else {
    return t('<div id="theme_settings_replace"><p>Unable to load theme settings form group... WTF...</p></div>');
  }
}

/**
 * Validation handler for delta_template_edit()
 * 
 * This validation handler checks to ensure a theme has been selected.
 * 
 * @param $form
 * @param $form_state
 */
function delta_layout_edit_validate($form, &$form_state) {
  $values = $form_state['values'];

  //dsm($values);
  if ($values['theme'] == 'none') {
    form_set_error('theme', t('You must select a theme in order to create a theme settings template. The settings stored are based on the default theme settings of the selected theme.'));
  }
}

/**
 * Submit handler for delta_template_edit()
 * 
 * This submit handler will insert or update the database with the appropriate
 * settings provided by the form submission.
 * 
 * @param $form
 * @param $form_state
 */
function delta_layout_edit_submit($form, &$form_state) {
  $values = $form_state['values'];
  $item = array(
    'tid' => isset($values['tid']) ? $values['tid'] : FALSE,
    'name' => check_plain($values['title']),
    'system_name' => check_plain($values['name']),
    'theme' => check_plain($values['theme']),
    'data' => array(),
  );

  // save record
  if ($item['tid']) {
    drupal_write_record('delta_theme_settings', $item, 'tid');
  }
  else {
    drupal_write_record('delta_theme_settings', $item);
  }
  drupal_set_message('The custom theme settings layout <strong>' . $item['name'] . '</strong> has been saved for <em>' . $item['theme'] . '</em>...');
  drupal_set_message('You may now configure the <strong>' . $item['name'] . '</strong> theme settings layout.');
  drupal_goto('admin/appearance/delta/layouts/configure/' . $item['system_name']);
}

/**
 * Helper function for machine readable names in {delta_theme_settings}
 * @param $t
 */
function delta_layout_name_exists($t) {
  $exists = db_query_range('SELECT 1 FROM {delta_theme_settings} WHERE system_name = :name', 0, 1, array(
    ':name' => $t,
  ))
    ->fetchField();
  return $exists;
}

/**
 * Menu callback; displays the delta listing page.
 */
function delta_overrides_list($form, &$form_state) {
  drupal_set_title(t('Delta Overrides'));

  //krumo($form_state);
  $theme = isset($form_state['build_info']['args'][0]) ? $form_state['build_info']['args'][0] : FALSE;
  $themes = list_themes();

  //krumo($themes);
  if ($theme) {
    drupal_set_title(t('Delta Overrides for ' . $themes[$theme]->info['name']));
  }
  $form['actions'] = array(
    '#type' => 'actions',
  );
  $form['actions']['submit'] = array(
    '#type' => 'submit',
    '#value' => t('Save'),
  );
  return $form;
}

Functions

Name	Description
delta_get_layouts	delta_get_layouts function.
delta_get_layout_data	delta_get_layout_data function.
delta_layouts_list	Menu callback; displays the delta listing page.
delta_layouts_view	Menu callback;
delta_layout_configure	delta_template_configure function.
delta_layout_delete	delta_template_configure function.
delta_layout_edit	Form callback for creating and editing theme settings templates
delta_layout_edit_submit	Submit handler for delta_template_edit()
delta_layout_edit_validate	Validation handler for delta_template_edit()
delta_layout_name_exists	Helper function for machine readable names in {delta_theme_settings}
delta_load_theme_settings_callback
delta_overrides_list	Menu callback; displays the delta listing page.
delta_theme_settings_config	Menu callback; displays the delta listing page.