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Drupal example source code file (field.views.inc)
The field.views.inc Drupal example source code<?php // $Id: field.views.inc,v 1.1.2.17 2011/01/04 23:54:35 dereine Exp $ /** * @file * Provide Views data and handlers for field.module */ /** * @defgroup views_field_module field.module handlers * * @{ */ /** * Implements hook_views_data() */ function field_views_data() { $data = array(); foreach (field_info_fields() as $field) { if ($field['storage']['type'] != 'field_sql_storage') { continue; } $module = $field['module']; $result = (array) module_invoke($module, 'field_views_data', $field); if (empty($result)) { $result = field_views_field_default_views_data($field); } drupal_alter('field_views_data', $result, $field, $module); if (is_array($result)) { $data = array_merge($data, $result); } } return $data; } /** * Default views data implementation for a field. */ function field_views_field_default_views_data($field) { $field_types = field_info_field_types(); // Check the field module is available. if (!isset($field_types[$field['type']])) { return; } $data = array(); $current_table = _field_sql_storage_tablename($field); $revision_table = _field_sql_storage_revision_tablename($field); // The list of entity:bundle that this field is used in. $bundles_names = array(); $supports_revisions = FALSE; $entity_tables = array(); // Build the relationships between the field table and the entity tables. foreach ($field['bundles'] as $entity => $bundles) { $entity_info = entity_get_info($entity); $entity_tables[$entity_info['base table']] = $entity; $data[$current_table]['table']['join'][$entity_info['base table']] = array( 'left_field' => $entity_info['entity keys']['id'], 'field' => 'entity_id', 'extra' => array( array('field' => 'entity_type', 'value' => $entity), array('field' => 'deleted', 'value' => 0, 'numeric' => TRUE), ), ); if (!empty($entity_info['entity keys']['revision']) && !empty($entity_info['revision table'])) { $data[$revision_table]['table']['join'][$entity_info['revision table']] = array( 'left_field' => $entity_info['entity keys']['revision'], 'field' => 'revision_id', 'extra' => array( array('field' => 'entity_type', 'value' => $entity), array('field' => 'deleted', 'value' => 0, 'numeric' => TRUE), ), ); $supports_revisions = TRUE; } foreach ($bundles as $bundle) { $bundles_names[] = t('@entity:@bundle', array('@entity' => $entity, '@bundle' => $bundle)); } } $tables = array(); $tables[FIELD_LOAD_CURRENT] = $current_table; if ($supports_revisions) { $tables[FIELD_LOAD_REVISION] = $revision_table; } $add_fields = array('entity_type', 'delta', 'language', 'bundle'); foreach ($field['columns'] as $column_name => $attributes) { $add_fields[] = _field_sql_storage_columnname($field['field_name'], $column_name); } // Add the field handler for this field. $title_short = $field['field_name']; foreach ($tables as $type => $table) { if ($type == FIELD_LOAD_CURRENT) { $group = t('Fields'); $column = 'entity_id'; } else { $group = t('Fields (historical data)'); $column = 'revision_id'; } $data[$table][$column] = array( 'group' => $group, 'title' => $title_short, 'title short' => $title_short, 'help' => t('Appears in: @bundles', array('@bundles' => implode(', ', $bundles_names))), ); $data[$table][$column]['field'] = array( 'field' => $column, 'table' => $table, 'handler' => 'views_handler_field_field', 'click sortable' => TRUE, 'field_name' => $field['field_name'], 'additional fields' => $add_fields, 'entity_tables' => $entity_tables, 'field_info' => $field, ); } foreach ($field['columns'] as $column => $attributes) { $allow_sort = TRUE; // Identify likely filters and arguments for each column based on field type. switch ($attributes['type']) { case 'int': case 'mediumint': case 'tinyint': case 'bigint': case 'serial': case 'numeric': case 'float': $filter = 'views_handler_filter_numeric'; $argument = 'views_handler_argument_numeric'; $sort = 'views_handler_sort'; break; case 'text': case 'blob': // It does not make sense to sort by blob or text. $allow_sort = FALSE; default: $filter = 'views_handler_filter_string'; $argument = 'views_handler_argument_string'; $sort = 'views_handler_sort'; break; } // Note: we don't have a label available here, because we are at the field // level, not at the instance level. if (count($field['columns']) == 1 && $column == 'value') { $title = t('@label (!name)', array('@label' => $field['field_name'], '!name' => $field['field_name'])); $title_short = $field['field_name']; } else { $title = t('@label (!name) - !column', array('@label' => $field['field_name'], '!name' => $field['field_name'], '!column' => $column)); $title_short = t('@label-truncated - !column', array('@label-truncated' => $field['field_name'], '!column' => $column)); } foreach ($tables as $type => $table) { $group = $type == FIELD_LOAD_CURRENT ? t('Fields') : t('Fields (historical data)'); $column_real_name = $field['storage']['details']['sql'][$type][$table][$column]; // Load all the fields from the table by default. $additional_fields = array_values($field['storage']['details']['sql'][$type][$table]); $data[$table][$column_real_name] = array( 'group' => $group, 'title' => $title, 'title short' => $title_short, 'help' => t('Appears in: @bundles', array('@bundles' => implode(', ', $bundles_names))), ); $data[$table][$column_real_name]['argument'] = array( 'field' => $column_real_name, 'table' => $table, 'handler' => $argument, 'additional fields' => $additional_fields, 'field_name' => $field['field_name'], 'empty field name' => t('<No value>'), ); $data[$table][$column_real_name]['filter'] = array( 'field' => $column_real_name, 'table' => $table, 'handler' => $filter, 'additional fields' => $additional_fields, 'field_name' => $field['field_name'], 'allow empty' => TRUE, ); if (!empty($allow_sort)) { $data[$table][$column_real_name]['sort'] = array( 'field' => $column_real_name, 'table' => $table, 'handler' => $sort, 'additional fields' => $additional_fields, 'field_name' => $field['field_name'], ); } // Expose additional delta column for multiple value fields. if ($field['cardinality'] > 1 || $field['cardinality'] == FIELD_CARDINALITY_UNLIMITED) { $title = t('@label (!name) - delta', array('@label' => $field['field_name'], '!name' => $field['field_name'])); $title_short = t('!name - delta', array('!name' => $field['field_name'])); $data[$table]['delta'] = array( 'group' => $group, 'title' => $title, 'title short' => $title_short, 'help' => t('Delta - Appears in: @bundles', array('@bundles' => implode(', ', $bundles_names))), ); $data[$table]['delta']['argument'] = array( 'field' => 'delta', 'table' => $table, 'handler' => 'views_handler_argument_numeric', 'additional fields' => $additional_fields, 'empty field name' => t('<No value>'), 'field_name' => $field['field_name'], ); $data[$table]['delta']['filter'] = array( 'field' => 'delta', 'table' => $table, 'handler' => 'views_handler_filter_numeric', 'additional fields' => $additional_fields, 'field_name' => $field['field_name'], 'allow empty' => TRUE, ); $data[$table]['delta']['sort'] = array( 'field' => 'delta', 'table' => $table, 'handler' => 'views_handler_sort', 'additional fields' => $additional_fields, 'field_name' => $field['field_name'], ); } } } return $data; } /** * Have a different filter handler for lists. This should allow to select values of the list. */ function list_field_views_data($field) { $data = field_views_field_default_views_data($field); foreach ($data as $table_name => $table_data) { foreach ($table_data as $field_name => $field_data) { if (!in_array($field_name, array('table', 'entity_id', 'revision_id'))) { $data[$table_name][$field_name]['filter']['handler'] = 'views_handler_filter_field_list'; } } } return $data; } /** * @} */ Other Drupal examples (source code examples)Here is a short list of links related to this Drupal field.views.inc source code file: |
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