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<?php
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/**
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* @file
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* Provide Views data and handlers for field.module.
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*
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* @ingroup views_module_handlers
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*/
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/**
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* Implements hook_views_data().
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*
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* Field modules can implement hook_field_views_data() to override
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* the default behavior for adding fields.
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*/
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function field_views_data() {
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$data = array();
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foreach (field_info_fields() as $field) {
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if ($field['storage']['type'] != 'field_sql_storage') {
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continue;
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}
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$module = $field['module'];
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$result = (array) module_invoke($module, 'field_views_data', $field);
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if (empty($result)) {
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$result = field_views_field_default_views_data($field);
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}
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drupal_alter('field_views_data', $result, $field, $module);
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if (is_array($result)) {
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$data = drupal_array_merge_deep($result, $data);
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}
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}
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return $data;
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}
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/**
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* Implements hook_views_data_alter().
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*
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* Field modules can implement hook_field_views_data_views_data_alter() to
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* alter the views data on a per field basis. This is weirdly named so as
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* not to conflict with the drupal_alter('field_views_data') in
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* field_views_data.
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*/
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function field_views_data_alter(&$data) {
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foreach (field_info_fields() as $field) {
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if ($field['storage']['type'] != 'field_sql_storage') {
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continue;
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}
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$function = $field['module'] . '_field_views_data_views_data_alter';
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if (function_exists($function)) {
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$function($data, $field);
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}
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}
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}
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/**
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* Returns the label of a certain field.
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*
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* Therefore it looks up in all bundles to find the most used instance.
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*/
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function field_views_field_label($field_name) {
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$label_counter = array();
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$all_labels = array();
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// Count the amount of instances per label per field.
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$instances = field_info_instances();
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foreach ($instances as $entity_name => $entity_type) {
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foreach ($entity_type as $bundle) {
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if (isset($bundle[$field_name])) {
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$label_counter[$bundle[$field_name]['label']] = isset($label_counter[$bundle[$field_name]['label']]) ? ++$label_counter[$bundle[$field_name]['label']] : 1;
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$all_labels[$entity_name][$bundle[$field_name]['label']] = TRUE;
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}
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}
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}
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if (empty($label_counter)) {
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return array($field_name, $all_labels);
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}
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// Sort the field lables by it most used label and return the most used one.
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arsort($label_counter);
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$label_counter = array_keys($label_counter);
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return array($label_counter[0], $all_labels);
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}
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/**
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* Default views data implementation for a field.
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*/
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function field_views_field_default_views_data($field) {
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$field_types = field_info_field_types();
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// Check the field module is available.
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if (!isset($field_types[$field['type']])) {
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return;
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}
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$data = array();
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$current_table = _field_sql_storage_tablename($field);
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$revision_table = _field_sql_storage_revision_tablename($field);
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// The list of entity:bundle that this field is used in.
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$bundles_names = array();
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$supports_revisions = FALSE;
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$entity_tables = array();
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$current_tables = array();
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$revision_tables = array();
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$groups = array();
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$group_name = count($field['bundles']) > 1 ? t('Field') : NULL;
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// Build the relationships between the field table and the entity tables.
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foreach ($field['bundles'] as $entity => $bundles) {
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$entity_info = entity_get_info($entity);
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$groups[$entity] = $entity_info['label'];
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// Override Node to Content.
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if ($groups[$entity] == t('Node')) {
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$groups[$entity] = t('Content');
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}
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// If only one bundle use this as the default name.
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if (empty($group_name)) {
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$group_name = $groups[$entity];
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}
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$entity_tables[$entity_info['base table']] = $entity;
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$current_tables[$entity] = $entity_info['base table'];
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if (isset($entity_info['revision table'])) {
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$entity_tables[$entity_info['revision table']] = $entity;
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$revision_tables[$entity] = $entity_info['revision table'];
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}
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$data[$current_table]['table']['join'][$entity_info['base table']] = array(
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'left_field' => $entity_info['entity keys']['id'],
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'field' => 'entity_id',
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'extra' => array(
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array('field' => 'entity_type', 'value' => $entity),
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array('field' => 'deleted', 'value' => 0, 'numeric' => TRUE),
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),
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);
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if (!empty($entity_info['entity keys']['revision']) && !empty($entity_info['revision table'])) {
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$data[$revision_table]['table']['join'][$entity_info['revision table']] = array(
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'left_field' => $entity_info['entity keys']['revision'],
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'field' => 'revision_id',
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'extra' => array(
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array('field' => 'entity_type', 'value' => $entity),
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array('field' => 'deleted', 'value' => 0, 'numeric' => TRUE),
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),
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);
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$supports_revisions = TRUE;
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}
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foreach ($bundles as $bundle) {
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$bundles_names[] = t('@entity:@bundle', array('@entity' => $entity, '@bundle' => $bundle));
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}
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}
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$tables = array();
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$tables[FIELD_LOAD_CURRENT] = $current_table;
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if ($supports_revisions) {
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$tables[FIELD_LOAD_REVISION] = $revision_table;
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}
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$add_fields = array('delta', 'language', 'bundle');
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foreach ($field['columns'] as $column_name => $attributes) {
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$add_fields[] = _field_sql_storage_columnname($field['field_name'], $column_name);
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}
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// Note: we don't have a label available here, because we are at the field
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// level, not at the instance level. So we just go through all instances
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// and take the one which is used the most frequently.
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$field_name = $field['field_name'];
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list($label, $all_labels) = field_views_field_label($field_name);
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foreach ($tables as $type => $table) {
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if ($type == FIELD_LOAD_CURRENT) {
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$group = $group_name;
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$old_column = 'entity_id';
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$column = $field['field_name'];
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}
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else {
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$group = t('@group (historical data)', array('@group' => $group_name));
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$old_column = 'revision_id';
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$column = $field['field_name'] . '-' . $old_column;
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}
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$data[$table][$old_column]['field']['moved to'] = array($table, $column);
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$data[$table][$column] = array(
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'group' => $group,
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'title' => $label,
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'title short' => $label,
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'help' => t('Appears in: @bundles.', array('@bundles' => implode(', ', $bundles_names))),
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);
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// Go through and create a list of aliases for all possible combinations of
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// entity type + name.
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$aliases = array();
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$also_known = array();
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foreach ($all_labels as $entity_name => $labels) {
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foreach ($labels as $label_name => $true) {
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if ($type == FIELD_LOAD_CURRENT) {
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if ($group_name != $groups[$entity_name] || $label != $label_name) {
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$aliases[] = array(
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'base' => $current_tables[$entity_name],
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'group' => $groups[$entity_name],
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'title' => $label_name,
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'help' => t('This is an alias of @group: @field.', array('@group' => $group_name, '@field' => $label)),
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);
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}
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$also_known[] = t('@group: @field', array('@group' => $groups[$entity_name], '@field' => $label_name));
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}
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else {
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if ($group_name != $groups[$entity_name] && $label != $label_name && isset($revision_tables[$entity_name])) {
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$aliases[] = array(
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'base' => $revision_tables[$entity_name],
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'group' => t('@group (historical data)', array('@group' => $groups[$entity_name])),
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'title' => $label_name,
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'help' => t('This is an alias of @group: @field.', array('@group' => $group_name, '@field' => $label)),
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);
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}
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$also_known[] = t('@group (historical data): @field', array('@group' => $groups[$entity_name], '@field' => $label_name));
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}
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}
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}
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if ($aliases) {
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$data[$table][$column]['aliases'] = $aliases;
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$data[$table][$column]['help'] .= ' ' . t('Also known as: !also.', array('!also' => implode(', ', $also_known)));
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}
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$keys = array_keys($field['columns']);
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$real_field = reset($keys);
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$data[$table][$column]['field'] = array(
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'table' => $table,
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'handler' => 'views_handler_field_field',
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'click sortable' => TRUE,
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'field_name' => $field['field_name'],
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// Provide a real field for group by.
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'real field' => $column . '_' . $real_field,
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242
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'additional fields' => $add_fields,
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243
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'entity_tables' => $entity_tables,
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244
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// Default the element type to div, let the UI change it if necessary.
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245
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'element type' => 'div',
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246
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'is revision' => $type == FIELD_LOAD_REVISION,
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);
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248
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}
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249
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250
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foreach ($field['columns'] as $column => $attributes) {
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251
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$allow_sort = TRUE;
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252
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253
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// Identify likely filters and arguments for each column based on field type.
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254
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switch ($attributes['type']) {
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255
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case 'int':
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256
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case 'mediumint':
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257
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case 'tinyint':
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258
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case 'bigint':
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259
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case 'serial':
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260
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case 'numeric':
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261
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case 'float':
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262
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$filter = 'views_handler_filter_numeric';
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263
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$argument = 'views_handler_argument_numeric';
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264
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$sort = 'views_handler_sort';
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265
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break;
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266
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case 'text':
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267
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case 'blob':
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268
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// It does not make sense to sort by blob or text.
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269
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$allow_sort = FALSE;
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270
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default:
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271
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$filter = 'views_handler_filter_string';
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272
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$argument = 'views_handler_argument_string';
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273
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$sort = 'views_handler_sort';
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274
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break;
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275
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}
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276
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277
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278
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if (count($field['columns']) == 1 || $column == 'value') {
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279
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$title = t('@label (!name)', array('@label' => $label, '!name' => $field['field_name']));
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280
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// CCK used the first 10 characters of $label. Probably doesn't matter.
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281
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$title_short = $label;
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282
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}
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283
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else {
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284
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$title = t('@label (!name:!column)', array('@label' => $label, '!name' => $field['field_name'], '!column' => $column));
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285
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$title_short = t('@label:!column', array('@label' => $label, '!column' => $column));
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286
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}
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287
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288
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foreach ($tables as $type => $table) {
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289
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if ($type == FIELD_LOAD_CURRENT) {
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290
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$group = $group_name;
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291
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}
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292
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else {
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293
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$group = t('@group (historical data)', array('@group' => $group_name));
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294
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}
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295
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$column_real_name = $field['storage']['details']['sql'][$type][$table][$column];
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296
|
|
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297
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// Load all the fields from the table by default.
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298
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$additional_fields = array_values($field['storage']['details']['sql'][$type][$table]);
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299
|
|
|
300
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$data[$table][$column_real_name] = array(
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301
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'group' => $group,
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302
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'title' => $title,
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303
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'title short' => $title_short,
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304
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'help' => t('Appears in: @bundles.', array('@bundles' => implode(', ', $bundles_names))),
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305
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);
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306
|
|
|
307
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// Go through and create a list of aliases for all possible combinations of
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|
308
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// entity type + name.
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309
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$aliases = array();
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310
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$also_known = array();
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|
311
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foreach ($all_labels as $entity_name => $labels) {
|
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312
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foreach ($labels as $label_name => $true) {
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313
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if ($group_name != $groups[$entity_name] || $label != $label_name) {
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314
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if (count($field['columns']) == 1 || $column == 'value') {
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315
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$alias_title = t('@label (!name)', array('@label' => $label_name, '!name' => $field['field_name']));
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|
316
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// CCK used the first 10 characters of $label. Probably doesn't matter.
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|
317
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}
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|
318
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else {
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319
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$alias_title = t('@label (!name:!column)', array('@label' => $label_name, '!name' => $field['field_name'], '!column' => $column));
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|
320
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}
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|
321
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$aliases[] = array(
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322
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'group' => $groups[$entity_name],
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|
323
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'title' => $alias_title,
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324
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'help' => t('This is an alias of @group: @field.', array('@group' => $group_name, '@field' => $title)),
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325
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);
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326
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}
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327
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$also_known[] = t('@group: @field', array('@group' => $groups[$entity_name], '@field' => $title));
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328
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}
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329
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}
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330
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if ($aliases) {
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331
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$data[$table][$column_real_name]['aliases'] = $aliases;
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332
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$data[$table][$column_real_name]['help'] .= ' ' . t('Also known as: !also.', array('!also' => implode(', ', $also_known)));
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333
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}
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334
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335
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$data[$table][$column_real_name]['argument'] = array(
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336
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'field' => $column_real_name,
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337
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'table' => $table,
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|
338
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'handler' => $argument,
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|
339
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'additional fields' => $additional_fields,
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340
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'field_name' => $field['field_name'],
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341
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'empty field name' => t('- No value -'),
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342
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);
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|
343
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$data[$table][$column_real_name]['filter'] = array(
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344
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'field' => $column_real_name,
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|
345
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'table' => $table,
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|
346
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'handler' => $filter,
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|
347
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'additional fields' => $additional_fields,
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348
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'field_name' => $field['field_name'],
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349
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'allow empty' => TRUE,
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|
350
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);
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351
|
if (!empty($allow_sort)) {
|
|
352
|
$data[$table][$column_real_name]['sort'] = array(
|
|
353
|
'field' => $column_real_name,
|
|
354
|
'table' => $table,
|
|
355
|
'handler' => $sort,
|
|
356
|
'additional fields' => $additional_fields,
|
|
357
|
'field_name' => $field['field_name'],
|
|
358
|
);
|
|
359
|
}
|
|
360
|
|
|
361
|
// Expose additional delta column for multiple value fields.
|
|
362
|
if ($field['cardinality'] > 1 || $field['cardinality'] == FIELD_CARDINALITY_UNLIMITED) {
|
|
363
|
$title_delta = t('@label (!name:delta)', array('@label' => $label, '!name' => $field['field_name']));
|
|
364
|
$title_short_delta = t('@label:delta', array('@label' => $label));
|
|
365
|
|
|
366
|
$data[$table]['delta'] = array(
|
|
367
|
'group' => $group,
|
|
368
|
'title' => $title_delta,
|
|
369
|
'title short' => $title_short_delta,
|
|
370
|
'help' => t('Delta - Appears in: @bundles.', array('@bundles' => implode(', ', $bundles_names))),
|
|
371
|
);
|
|
372
|
$data[$table]['delta']['field'] = array(
|
|
373
|
'handler' => 'views_handler_field_numeric',
|
|
374
|
);
|
|
375
|
$data[$table]['delta']['argument'] = array(
|
|
376
|
'field' => 'delta',
|
|
377
|
'table' => $table,
|
|
378
|
'handler' => 'views_handler_argument_numeric',
|
|
379
|
'additional fields' => $additional_fields,
|
|
380
|
'empty field name' => t('- No value -'),
|
|
381
|
'field_name' => $field['field_name'],
|
|
382
|
);
|
|
383
|
$data[$table]['delta']['filter'] = array(
|
|
384
|
'field' => 'delta',
|
|
385
|
'table' => $table,
|
|
386
|
'handler' => 'views_handler_filter_numeric',
|
|
387
|
'additional fields' => $additional_fields,
|
|
388
|
'field_name' => $field['field_name'],
|
|
389
|
'allow empty' => TRUE,
|
|
390
|
);
|
|
391
|
$data[$table]['delta']['sort'] = array(
|
|
392
|
'field' => 'delta',
|
|
393
|
'table' => $table,
|
|
394
|
'handler' => 'views_handler_sort',
|
|
395
|
'additional fields' => $additional_fields,
|
|
396
|
'field_name' => $field['field_name'],
|
|
397
|
);
|
|
398
|
}
|
|
399
|
|
|
400
|
// Expose additional language column for translatable fields.
|
|
401
|
if (!empty($field['translatable'])) {
|
|
402
|
$title_language = t('@label (!name:language)', array('@label' => $label, '!name' => $field['field_name']));
|
|
403
|
$title_short_language = t('@label:language', array('@label' => $label));
|
|
404
|
|
|
405
|
$data[$table]['language'] = array(
|
|
406
|
'group' => $group,
|
|
407
|
'title' => $title_language,
|
|
408
|
'title short' => $title_short_language,
|
|
409
|
'help' => t('Language - Appears in: @bundles.', array('@bundles' => implode(', ', $bundles_names))),
|
|
410
|
);
|
|
411
|
$data[$table]['language']['field'] = array(
|
|
412
|
'handler' => 'views_handler_field_locale_language',
|
|
413
|
);
|
|
414
|
$data[$table]['language']['argument'] = array(
|
|
415
|
'field' => 'language',
|
|
416
|
'table' => $table,
|
|
417
|
'handler' => 'views_handler_argument_locale_language',
|
|
418
|
'additional fields' => $additional_fields,
|
|
419
|
'empty field name' => t('<No value>'),
|
|
420
|
'field_name' => $field['field_name'],
|
|
421
|
);
|
|
422
|
$data[$table]['language']['filter'] = array(
|
|
423
|
'field' => 'language',
|
|
424
|
'table' => $table,
|
|
425
|
'handler' => 'views_handler_filter_locale_language',
|
|
426
|
'additional fields' => $additional_fields,
|
|
427
|
'field_name' => $field['field_name'],
|
|
428
|
'allow empty' => TRUE,
|
|
429
|
);
|
|
430
|
$data[$table]['language']['sort'] = array(
|
|
431
|
'field' => 'language',
|
|
432
|
'table' => $table,
|
|
433
|
'handler' => 'views_handler_sort',
|
|
434
|
'additional fields' => $additional_fields,
|
|
435
|
'field_name' => $field['field_name'],
|
|
436
|
);
|
|
437
|
}
|
|
438
|
|
|
439
|
// Expose additional language column for translatable fields.
|
|
440
|
if (!empty($field['translatable'])) {
|
|
441
|
$title_language = t('@label (!name:language)', array('@label' => $label, '!name' => $field['field_name']));
|
|
442
|
$title_short_language = t('@label:language', array('@label' => $label));
|
|
443
|
|
|
444
|
$data[$table]['language'] = array(
|
|
445
|
'group' => $group,
|
|
446
|
'title' => $title_language,
|
|
447
|
'title short' => $title_short_language,
|
|
448
|
'help' => t('Language - Appears in: @bundles.', array('@bundles' => implode(', ', $bundles_names))),
|
|
449
|
);
|
|
450
|
$data[$table]['language']['field'] = array(
|
|
451
|
'handler' => 'views_handler_field_locale_language',
|
|
452
|
);
|
|
453
|
$data[$table]['language']['argument'] = array(
|
|
454
|
'field' => 'language',
|
|
455
|
'table' => $table,
|
|
456
|
'handler' => 'views_handler_argument_locale_language',
|
|
457
|
'additional fields' => $additional_fields,
|
|
458
|
'empty field name' => t('<No value>'),
|
|
459
|
'field_name' => $field['field_name'],
|
|
460
|
);
|
|
461
|
$data[$table]['language']['filter'] = array(
|
|
462
|
'field' => 'language',
|
|
463
|
'table' => $table,
|
|
464
|
'handler' => 'views_handler_filter_locale_language',
|
|
465
|
'additional fields' => $additional_fields,
|
|
466
|
'field_name' => $field['field_name'],
|
|
467
|
'allow empty' => TRUE,
|
|
468
|
);
|
|
469
|
$data[$table]['language']['sort'] = array(
|
|
470
|
'field' => 'language',
|
|
471
|
'table' => $table,
|
|
472
|
'handler' => 'views_handler_sort',
|
|
473
|
'additional fields' => $additional_fields,
|
|
474
|
'field_name' => $field['field_name'],
|
|
475
|
);
|
|
476
|
}
|
|
477
|
}
|
|
478
|
}
|
|
479
|
|
|
480
|
return $data;
|
|
481
|
}
|
|
482
|
|
|
483
|
/**
|
|
484
|
* Have a different filter handler for lists. This should allow to select values of the list.
|
|
485
|
*/
|
|
486
|
function list_field_views_data($field) {
|
|
487
|
$data = field_views_field_default_views_data($field);
|
|
488
|
foreach ($data as $table_name => $table_data) {
|
|
489
|
foreach ($table_data as $field_name => $field_data) {
|
|
490
|
if (isset($field_data['filter']) && $field_name != 'delta') {
|
|
491
|
if ($field['type'] == 'list_boolean') {
|
|
492
|
// Special handler for boolean fields.
|
|
493
|
$data[$table_name][$field_name]['filter']['handler'] = 'views_handler_filter_field_list_boolean';
|
|
494
|
}
|
|
495
|
else {
|
|
496
|
$data[$table_name][$field_name]['filter']['handler'] = 'views_handler_filter_field_list';
|
|
497
|
}
|
|
498
|
}
|
|
499
|
if (isset($field_data['argument']) && $field_name != 'delta') {
|
|
500
|
if ($field['type'] == 'list_text') {
|
|
501
|
$data[$table_name][$field_name]['argument']['handler'] = 'views_handler_argument_field_list_string';
|
|
502
|
}
|
|
503
|
else {
|
|
504
|
$data[$table_name][$field_name]['argument']['handler'] = 'views_handler_argument_field_list';
|
|
505
|
}
|
|
506
|
}
|
|
507
|
}
|
|
508
|
}
|
|
509
|
return $data;
|
|
510
|
}
|
