Club Drupal

<?php

/**

 * Test requirements for installation and running.

 */

function panels_requirements($phase) {

  $function = "panels_requirements_$phase";

  return function_exists($function) ? $function() : array();

}

/**

 * Check install-time requirements.

 */

function panels_requirements_install() {

  $requirements = array();

  $t = get_t();

  // Assume that if the user is running an installation profile that both

  // Panels and CTools are the same release.

  if (!(defined('MAINTENANCE_MODE') && MAINTENANCE_MODE == 'install')) {

    // apparently the install process doesn't include .module files,

    // so we need to force the issue in order for our versioning

    // check to work.

    if (!defined('PANELS_REQUIRED_CTOOLS_API')) {

      include_once drupal_get_path('module', 'panels') . '/panels.module';

    }

    // In theory we should check module_exists, but Drupal's gating should

    // actually prevent us from getting here otherwise.

    if (!defined('CTOOLS_API_VERSION')) {

      include_once drupal_get_path('module', 'ctools') . '/ctools.module';

    }

    if (!module_invoke('ctools', 'api_version', PANELS_REQUIRED_CTOOLS_API)) {

       $requirements['panels_ctools'] = array(

         'title' => $t('CTools API Version'),

         'value' => CTOOLS_API_VERSION,

         'severity' => REQUIREMENT_ERROR,

         'description' => t('The CTools API version is too old for Panels. Panels needs at least %version.', array('%version' => PANELS_REQUIRED_CTOOLS_API))

       );

    }

  }

  return $requirements;

}

/**

 * Implementation of hook_schema().

 */

function panels_schema() {

  // This should always point to our 'current' schema. This makes it relatively easy

  // to keep a record of schema as we make changes to it.

  return panels_schema_5();

}

function panels_schema_5() {

  $schema = panels_schema_4();

  $schema['panels_display']['fields']['uuid'] = array(

    'type' => 'char',

    'length' => '36',

  );

  $schema['panels_display']['export']['key'] = 'uuid';

  $schema['panels_display']['export']['key name'] = 'UUID';

  $schema['panels_pane']['fields']['uuid'] = array(

    'type' => 'char',

    'length' => '36',

  );

  $schema['panels_pane']['export']['key'] = 'uuid';

  $schema['panels_pane']['export']['key name'] = 'UUID';

  return $schema;

}

function panels_schema_4() {

  $schema = panels_schema_3();

  $schema['panels_pane']['fields']['locks'] = array(

    'type' => 'text',

    'size' => 'big',

    'serialize' => TRUE,

    'object default' => array(),

    'initial' => array(),

  );

  return $schema;

}

/**

 * Schema from the D6 version.

 */

function panels_schema_3() {

  // Schema 3 is now locked. If you need to make changes, please create

  // schema 4 and add them.

  $schema = array();

  $schema['panels_display'] = array(

    'export' => array(

      'object' => 'panels_display',

      'bulk export' => FALSE,

      'export callback' => 'panels_export_display',

      'can disable' => FALSE,

      'identifier' => 'display',

    ),

    'fields' => array(

      'did' => array(

        'type' => 'serial',

        'not null' => TRUE,

        'no export' => TRUE,

      ),

      'layout' => array(

        'type' => 'varchar',

        'length' => '255',

        'default' => '',

      ),

      'layout_settings' => array(

        'type' => 'text',

        'size' => 'big',

        'serialize' => TRUE,

        'object default' => array(),

        'initial' => array(),

      ),

      'panel_settings' => array(

        'type' => 'text',

        'size' => 'big',

        'serialize' => TRUE,

        'object default' => array(),

        'initial' => array(),

      ),

      'cache' => array(

        'type' => 'text',

        'serialize' => TRUE,

        'object default' => array(),

        'initial' => array(),

      ),

      'title' => array(

        'type' => 'varchar',

        'length' => '255',

        'default' => '',

      ),

      'hide_title' => array(

        'type' => 'int',

        'size' => 'tiny',

        'default' => 0,

        'no export' => TRUE,

      ),

      'title_pane' => array(

        'type' => 'int',

        'default' => 0,

        'no export' => TRUE,

      ),

    ),

    'primary key' => array('did'),

  );

  $schema['panels_pane'] = array(

    'export' => array(

      'can disable' => FALSE,

      'identifier' => 'pane',

      'bulk export' => FALSE,

    ),

    'fields' => array(

      'pid' => array(

        'type' => 'serial',

        'not null' => TRUE,

      ),

      'did' => array(

        'type' => 'int',

        'not null' => TRUE,

        'default' => 0,

        'no export' => TRUE,

      ),

      'panel' => array(

        'type' => 'varchar',

        'length' => '32',

        'default' => '',

      ),

      'type' => array(

        'type' => 'varchar',

        'length' => '32',

        'default' => '',

      ),

      'subtype' => array(

        'type' => 'varchar',

        'length' => '64',

        'default' => '',

      ),

      'shown' => array(

        'type' => 'int',

        'size' => 'tiny',

        'default' => 1,

      ),

      'access' => array(

        'type' => 'text',

        'size' => 'big',

        'serialize' => TRUE,

        'object default' => array(),

        'initial' => array(),

      ),

      'configuration' => array(

        'type' => 'text',

        'size' => 'big',

        'serialize' => TRUE,

        'object default' => array(),

        'initial' => array(),

      ),

      'cache' => array(

        'type' => 'text',

        'size' => 'big',

        'serialize' => TRUE,

        'object default' => array(),

        'initial' => array(),

      ),

      'style' => array(

        'type' => 'text',

        'size' => 'big',

        'serialize' => TRUE,

        'object default' => array(),

        'initial' => array(),

      ),

      'css' => array(

        'type' => 'text',

        'size' => 'big',

        'serialize' => TRUE,

        'object default' => array(),

        'initial' => array(),

      ),

      'extras' => array(

        'type' => 'text',

        'size' => 'big',

        'serialize' => TRUE,

        'object default' => array(),

        'initial' => array(),

      ),

      'position' => array(

        'type' => 'int',

        'size' => 'small',

        'default' => 0,

      ),

    ),

    'primary key' => array('pid'),

    'indexes' => array(

      'did_idx' => array('did')

    ),

  );

  $schema['panels_renderer_pipeline'] = array(

    'description' => 'Contains renderer pipelines for Panels. Each pipeline contains one or more renderers and access rules to select which renderer gets used.',

    'export' => array(

      'identifier' => 'pipeline',

      'bulk export' => TRUE,

      'primary key' => 'rpid',

      'api' => array(

        'owner' => 'panels',

        'api' => 'pipelines',

        'minimum_version' => 1,

        'current_version' => 1,

      ),

    ),

    'fields' => array(

      'rpid' => array(

        'type' => 'serial',

        'description' => 'A database primary key to ensure uniqueness.',

        'not null' => TRUE,

        'no export' => TRUE,

      ),

      'name' => array(

        'type' => 'varchar',

        'length' => '255',

        'description' => 'Unique ID for this content. Used to identify it programmatically.',

      ),

      'admin_title' => array(

        'type' => 'varchar',

        'length' => '255',

        'description' => 'Administrative title for this pipeline.',

      ),

      'admin_description' => array(

        'type' => 'text',

        'size' => 'big',

        'description' => 'Administrative description for this pipeline.',

        'object default' => '',

      ),

      'weight' => array(

        'type' => 'int',

        'size' => 'small',

        'default' => 0,

      ),

      'settings' => array(

        'type' => 'text',

        'size' => 'big',

        'description' => 'Serialized settings for the actual pipeline. The contents of this field are up to the plugin that uses it.',

        'serialize' => TRUE,

        'object default' => array(),

      ),

    ),

    'primary key' => array('rpid'),

  );

  $schema['panels_layout'] = array(

    'description' => 'Contains exportable customized layouts for this site.',

    'export' => array(

      'identifier' => 'layout',

      'bulk export' => TRUE,

      'primary key' => 'lid',

      'api' => array(

        'owner' => 'panels',

        'api' => 'layouts',

        'minimum_version' => 1,

        'current_version' => 1,

      ),

    ),

    'fields' => array(

      'lid' => array(

        'type' => 'serial',

        'description' => 'A database primary key to ensure uniqueness.',

        'not null' => TRUE,

        'no export' => TRUE,

      ),

      'name' => array(

        'type' => 'varchar',

        'length' => '255',

        'description' => 'Unique ID for this content. Used to identify it programmatically.',

      ),

      'admin_title' => array(

        'type' => 'varchar',

        'length' => '255',

        'description' => 'Administrative title for this layout.',

      ),

      'admin_description' => array(

        'type' => 'text',

        'size' => 'big',

        'description' => 'Administrative description for this layout.',

        'object default' => '',

      ),

      'category' => array(

        'type' => 'varchar',

        'length' => '255',

        'description' => 'Administrative category for this layout.',

      ),

      'plugin' => array(

        'type' => 'varchar',

        'length' => '255',

        'description' => 'The layout plugin that owns this layout.',

      ),

      'settings' => array(

        'type' => 'text',

        'size' => 'big',

        'description' => 'Serialized settings for the actual layout. The contents of this field are up to the plugin that uses it.',

        'serialize' => TRUE,

        'object default' => array(),

      ),

    ),

    'primary key' => array('lid'),

  );

  $schema['cache_panels'] = drupal_get_schema_unprocessed('system', 'cache');

  return $schema;

}

/**

 * Change panels_display.layout to match the size of panels_layout.name.

 */

function panels_update_7300() {

  // Load the schema.

  $schema = panels_schema_3();

  $table = 'panels_display';

  $field = 'layout';

  $spec = $schema[$table]['fields'][$field];

  // Re-define the column.

  db_change_field($table, $field, $field, $spec);

  return t('Changed the panels_display.layout field to the correct size.');

}

/**

 * Add lock field to panels_pane table.

 */

function panels_update_7301() {

  // Load the schema.

  // Due to a previous failure, the field may already exist:

  $schema = panels_schema_4();

  $table = 'panels_pane';

  $field = 'locks';

  if (!db_field_exists($table, $field)) {

    $spec = $schema[$table]['fields'][$field];

    // Core does not properly respect 'initial' and 'serialize'.

    unset($spec['initial']);

    // Re-define the column.

    db_add_field($table, $field, $spec);

    return t('Added panels_pane.lock field.');

  }

  return t('panels_pane.lock field already existed, update skipped.');

}

/**

 * Adding universally unique identifiers to panels.

 */

function panels_update_7302() {

  // Load the schema.

  $schema = panels_schema_5();

  $msg = array();

  // Add the uuid column to the pane table.

  $table = 'panels_pane';

  $field = 'uuid';

  // Due to a previous failure, the column may already exist:

  if (!db_field_exists($table, $field)) {

    $spec = $schema[$table]['fields'][$field];

    db_add_field($table, $field, $spec);

    $msg[] = t('Added panels_pane.uuid column.');

  }

  // Add the uuid column to the display table.

  $table = 'panels_display';

  $field = 'uuid';

  // Due to a previous failure, the column may already exist:

  if (!db_field_exists($table, $field)) {

    $spec = $schema[$table]['fields'][$field];

    db_add_field($table, $field, $spec);

    $msg[] = t('Added panels_display.uuid column.');

  }

  if (empty($msg)) {

    $msg[] = t('UUID column already present in the panels_display & panels_pane tables.');

  }

  // Update all DB-based panes & displays to ensure that they all contain a UUID.

  $display_dids = db_select('panels_display')

    ->fields('panels_display', array('did'))

    ->condition(db_or()

      ->condition('uuid', '')

      ->isNull('uuid')

    )

    ->execute()

    ->fetchCol();

  // Check the panes as well, for paranoia.

  $pane_dids = db_select('panels_pane')

    ->distinct()

    ->fields('panels_pane', array('did'))

    ->condition(db_or()

      ->condition('uuid', '')

      ->isNull('uuid')

    )

    ->execute()

    ->fetchCol();

  $dids = array_unique(array_merge($display_dids, $pane_dids));

  if ($displays = panels_load_displays($dids)) {

    foreach ($displays as $display) {

      // A display save also triggers pane saves.

      panels_save_display($display);

    }

    $msg[] = t('Generated UUIDs for database-based panel displays and panes.');

  }

  else {

    $msg[] = t('No database-based panel displays or panes for which to generate UUIDs.');

  }

  return implode("\n", $msg);

}

/**

 * Add a custom cache table for Panels.

 */

function panels_update_7303() {

  $table_name = 'cache_panels';

  if (!db_table_exists($table_name)) {

    $schema = drupal_get_schema_unprocessed('system', 'cache');

    db_create_table($table_name, $schema);

  }

}