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Drupal example source code file (panels.install)

This example Drupal source code file (panels.install) is included in the DevDaily.com "Drupal Source Code Warehouse" project. The intent of this project is to help you "Learn Drupal by Example".

PHP - Drupal tags/keywords

array, big, default, description, export, for, function, object, size, text, true, type, varchar

The panels.install Drupal example source code

<?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_3();
}

/**
 * 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' => '32',
        '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'),
  );

  return $schema;
}

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