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<?php
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/**
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* @file
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* Administrative interface for the Field Permissions module.
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*/
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/**
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* Obtain the list of field permissions.
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*
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* @param string $field_label
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* The human readable name of the field to use when constructing permission
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* names. Usually this will be derived from one or more of the field instance
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* labels.
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*/
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function field_permissions_list($field_label = '') {
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$permissions = array(
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'create' => array(
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'label' => t('Create field'),
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'title' => t('Create own value for field %field', array('%field' => $field_label)),
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),
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'edit own' => array(
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'label' => t('Edit own field'),
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'title' => t('Edit own value for field %field', array('%field' => $field_label)),
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),
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'edit' => array(
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'label' => t('Edit field'),
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'title' => t("Edit anyone's value for field %field", array('%field' => $field_label)),
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),
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'view own' => array(
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'label' => t('View own field'),
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'title' => t('View own value for field %field', array('%field' => $field_label)),
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),
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'view' => array(
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'label' => t('View field'),
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'title' => t("View anyone's value for field %field", array('%field' => $field_label)),
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),
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);
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drupal_alter('field_permissions_list', $permissions, $field_label);
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return $permissions;
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}
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/**
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* Returns field permissions in a format suitable for use in hook_permission().
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*
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* @param array $field
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* The field to return permissions for.
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* @param mixed $label
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* (optional) The human readable name of the field to use when constructing
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* permission names; for example, this might be the label of one of the
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* corresponding field instances. If not provided, an appropriate label will
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* be automatically derived from all the field's instances.
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*
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* @return array
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* An array of permission information, suitable for use in hook_permission().
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*/
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function field_permissions_list_field_permissions($field, $label = NULL) {
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if (!isset($label)) {
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$label = $field['field_name'];
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}
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$instances = array();
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$description = '';
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foreach ($field['bundles'] as $entity_type => $bundles) {
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foreach ($bundles as $bundle_name) {
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$instance = field_info_instance($entity_type, $field['field_name'], $bundle_name);
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$entity = entity_get_info($entity_type);
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if (!isset($entity['bundles'][$bundle_name])) {
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continue;
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}
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$instance_desc_tokens = array(
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$entity['label'],
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$entity['bundles'][$bundle_name]['label'],
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$instance['label'],
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);
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$instances[] = '"' . implode(':', $instance_desc_tokens) . '"';
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}
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$description = t('This field appears as: %instances.', array('%instances' => implode(', ', $instances)));
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}
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$permissions = array();
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foreach (field_permissions_list($label) as $permission_type => $permission_info) {
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$permission = $permission_type . ' ' . $field['field_name'];
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$permissions[$permission] = array(
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'title' => $permission_info['title'],
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'description' => $description,
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);
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}
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return $permissions;
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}
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/**
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* Implements hook_permission().
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*/
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function _field_permissions_permission() {
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$perms = array(
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'administer field permissions' => array(
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'title' => t('Administer field permissions'),
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'description' => t('Manage field permissions and field permissions settings.'),
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'restrict access' => TRUE,
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),
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'access private fields' => array(
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'title' => t("Access other users' private fields"),
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'description' => t('View and edit the stored values of all private fields.'),
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'restrict access' => TRUE,
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),
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);
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foreach (field_info_fields() as $field) {
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if (isset($field['field_permissions']['type']) && $field['field_permissions']['type'] == FIELD_PERMISSIONS_CUSTOM) {
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$perms += field_permissions_list_field_permissions($field);
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}
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}
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return $perms;
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}
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/**
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* Alter the field settings form.
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*/
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function _field_permissions_field_settings_form_alter(&$form, $form_state, $form_id) {
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// Put the field permissions extensions at the top of the field settings
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// fieldset.
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$form['field']['field_permissions'] = array(
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'#weight' => -10,
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'#access' => user_access('administer field permissions'),
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);
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$form['field']['field_permissions']['type'] = array(
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'#title' => t('Field visibility and permissions'),
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'#type' => 'radios',
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'#options' => array(
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FIELD_PERMISSIONS_PUBLIC => t('Public (author and administrators can edit, everyone can view)'),
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FIELD_PERMISSIONS_PRIVATE => t('Private (only author and administrators can edit and view)'),
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FIELD_PERMISSIONS_CUSTOM => t('Custom permissions'),
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),
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'#default_value' => isset($form['#field']['field_permissions']['type']) ? $form['#field']['field_permissions']['type'] : FIELD_PERMISSIONS_PUBLIC,
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);
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// Add the container in which the field permissions matrix will be displayed.
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// (and make it so that it is only visible when custom permissions are being
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// used).
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$form['field']['field_permissions']['permissions'] = array(
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'#type' => 'container',
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'#states' => array(
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'visible' => array(
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':input[name="field[field_permissions][type]"]' => array('value' => FIELD_PERMISSIONS_CUSTOM),
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),
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),
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// Custom styling for the permissions matrix on the field settings page.
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'#attached' => array(
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'css' => array(drupal_get_path('module', 'field_permissions') . '/field_permissions.admin.css'),
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),
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);
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$form['field']['field_permissions']['permission_warning'] = array(
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'#type' => 'item',
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'#markup' => '<div class="messages error"><b>'
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. t('Field permissions error')
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. '</b><br />'
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. t('If you are seeing this message and are not seeing a table of permissions, something is wrong! See !link for more information.', array(
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'!link' => l(t('the Field Permission documentation'), 'https://www.drupal.org/node/2802067#known-issues', array(
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'attributes' => array('target' => '_blank'),
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)),
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)) . '</div>',
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'#states' => array(
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'visible' => array(
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':input[name="field[field_permissions][type]"]' => array('value' => FIELD_PERMISSIONS_CUSTOM),
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),
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),
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);
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// Add the field permissions matrix itself. Wait until the #pre_render stage
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// to move it to the above container, to avoid having the permissions data
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// saved as part of the field record.
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$form['field_permissions']['#tree'] = TRUE;
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$form['field_permissions']['#access'] = user_access('administer field permissions');
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$form['field_permissions']['permissions'] = field_permissions_permissions_matrix($form['#field'], $form['#instance']);
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$form['#pre_render'][] = '_field_permissions_field_settings_form_pre_render';
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// Add a submit handler to process the field permissions settings. Note that
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// it is important for this to run *after* the main field UI submit handler
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// (which saves the field itself), since when a new field is being created,
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// our submit handler will try to assign any new custom permissions
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// immediately, and our hook_permission() implementation relies on the field
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// info being up-to-date in order for that to work correctly.
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$form['#submit'][] = '_field_permissions_field_settings_form_submit';
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}
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/**
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* Returns a field permissions matrix that can be inserted into a form.
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*
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* The matrix's display is based on that of Drupal's default permissions page.
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*
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* Note that this matrix must be accompanied by an appropriate submit handler
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* (attached to the top level of the form) in order for the permissions in it
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* to actually be saved. For an example submit handler, see
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* _field_permissions_field_settings_form_submit().
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*
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* @param array $field
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* The field whose permissions will be displayed in the matrix.
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* @param array $instance
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* The field instance for which the permissions will be displayed. Although
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* the permissions are per-field rather than per-instance, the instance label
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* will be used to display an appropriate human-readable name for each
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* permission.
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*
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* @return array
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* A form array defining the permissions matrix.
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*
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* @see user_admin_permissions()
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* @see _field_permissions_field_settings_form_submit()
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*/
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function field_permissions_permissions_matrix($field, $instance) {
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// This function primarily contains a simplified version of the code from
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// user_admin_permissions().
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$form['#theme'] = 'user_admin_permissions';
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$options = array();
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$status = array();
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// Retrieve all role names for use in the submit handler.
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$role_names = user_roles();
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$form['role_names'] = array(
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'#type' => 'value',
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'#value' => $role_names,
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);
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// Retrieve the permissions for each role, and the field permissions we will
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// be assigning here.
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$role_permissions = user_role_permissions($role_names);
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$field_permissions = field_permissions_list_field_permissions($field, $instance['label']);
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// Determine if it is safe to reset the default values for this field's
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// permissions. If this is a new field (never saved with field permission
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// data before), or if it's an existing field that is not currently using
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// custom permissions and doesn't have any previously-saved ones already in
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// the database, then it will be safe to reset them.
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$reset_permissions_defaults = FALSE;
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if (!isset($field['field_permissions']['type'])) {
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$reset_permissions_defaults = TRUE;
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}
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elseif ($field['field_permissions']['type'] != FIELD_PERMISSIONS_CUSTOM) {
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$all_assigned_permissions = call_user_func_array('array_merge_recursive', $role_permissions);
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$assigned_field_permissions = array_intersect_key($all_assigned_permissions, $field_permissions);
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$reset_permissions_defaults = empty($assigned_field_permissions);
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}
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// Store this information on the form so that other modules can use it (for
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// example, if they want to set default permissions for other roles besides
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// the admin role which we use it for below).
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$form['#field_permissions_are_new'] = $reset_permissions_defaults;
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// Go through each field permission we will display.
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foreach ($field_permissions as $permission => $info) {
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// Display the name of the permission as a form item.
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$form['permission'][$permission] = array(
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'#type' => 'item',
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'#markup' => $info['title'],
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);
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// Save it to be displayed as one of the role checkboxes.
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$options[$permission] = '';
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// If we are in a situation where we can reset the field permissions
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// defaults, we do so by pre-checking the admin role's checkbox for this
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// permission.
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if ($reset_permissions_defaults) {
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if (($admin_rid = variable_get('user_admin_role', 0)) && isset($role_names[$admin_rid])) {
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$status[$admin_rid][] = $permission;
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}
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// For fields attached to users, we also pre-check the anonymous user's
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// checkbox for the permission to create the field, since that is the
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// most common way in which new user entities are created.
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if ($instance['entity_type'] == 'user' && $permission == 'create ' . $field['field_name']) {
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$status[DRUPAL_ANONYMOUS_RID][] = $permission;
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}
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}
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// Otherwise (e.g., for fields with custom permissions already saved),
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// determine whether the permission is already assigned and check each
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// checkbox accordingly.
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else {
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foreach ($role_names as $rid => $name) {
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if (isset($role_permissions[$rid][$permission])) {
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$status[$rid][] = $permission;
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}
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}
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}
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}
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// Build the checkboxes for each role.
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foreach ($role_names as $rid => $name) {
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$form['checkboxes'][$rid] = array(
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'#type' => 'checkboxes',
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'#options' => $options,
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'#default_value' => isset($status[$rid]) ? $status[$rid] : array(),
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'#attributes' => array('class' => array('rid-' . $rid)),
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);
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$form['role_names'][$rid] = array('#markup' => check_plain($name), '#tree' => TRUE);
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}
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// Attach the default permissions page JavaScript.
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$form['#attached']['js'][] = drupal_get_path('module', 'user') . '/user.permissions.js';
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// Attach our custom JavaScript for the permission matrix.
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$form['#attached']['js'][] = drupal_get_path('module', 'field_permissions') . '/field_permissions.admin.js';
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return $form;
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}
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/**
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* Pre-render function for the permissions matrix on the field settings form.
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*/
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function _field_permissions_field_settings_form_pre_render($form) {
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// Move the permissions matrix to its final location.
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$form['field']['field_permissions']['permissions']['matrix'] = $form['field_permissions']['permissions'];
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unset($form['field_permissions']);
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return $form;
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}
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/**
|
320 |
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* Form callback; Submit handler for the Field Settings form.
|
321 |
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*/
|
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function _field_permissions_field_settings_form_submit($form, &$form_state) {
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// Save the field permissions when appropriate to do so.
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$new_field_permissions_type = $form_state['values']['field']['field_permissions']['type'];
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if ($new_field_permissions_type == FIELD_PERMISSIONS_CUSTOM && isset($form_state['values']['field_permissions']['permissions'])) {
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$field_permissions = $form_state['values']['field_permissions']['permissions'];
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foreach ($field_permissions['role_names'] as $rid => $name) {
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user_role_change_permissions($rid, $field_permissions['checkboxes'][$rid]);
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}
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330 |
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}
|
331 |
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|
332 |
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// We must clear the page and block caches whenever the field permission type
|
333 |
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// setting has changed (because users may now be allowed to see a different
|
334 |
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// set of fields). For similar reasons, we must clear these caches whenever
|
335 |
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// custom field permissions are being used, since those may have changed too;
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336 |
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// see user_admin_permissions_submit().
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337 |
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if (!isset($form['#field']['field_permissions']['type']) || $new_field_permissions_type != $form['#field']['field_permissions']['type'] || $new_field_permissions_type == FIELD_PERMISSIONS_CUSTOM) {
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338 |
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cache_clear_all();
|
339 |
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}
|
340 |
|
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}
|
341 |
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|
342 |
|
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/**
|
343 |
|
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* Menu callback; Field permissions overview.
|
344 |
|
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*/
|
345 |
|
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function field_permissions_overview() {
|
346 |
08475715
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Assos Assos
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drupal_add_css(drupal_get_path('module', 'field_permissions') . '/field_permissions.admin.css');
|
347 |
85ad3d82
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Assos Assos
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|
348 |
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Assos Assos
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$headers = array(
|
349 |
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t('Field name'),
|
350 |
|
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t('Field type'),
|
351 |
|
|
t('Entity type'),
|
352 |
|
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t('Used in'),
|
353 |
|
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);
|
354 |
85ad3d82
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Assos Assos
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foreach (field_permissions_list() as $permission_type => $permission_info) {
|
355 |
|
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$headers[] = array('data' => $permission_info['label'], 'class' => 'field-permissions-header');
|
356 |
|
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}
|
357 |
|
|
$destination = drupal_get_destination();
|
358 |
|
|
|
359 |
08475715
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Assos Assos
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// Load list of fields, field types and bundles in the system.
|
360 |
85ad3d82
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Assos Assos
|
$field_types = field_info_field_types();
|
361 |
08475715
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Assos Assos
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$bundles_info = field_info_bundles();
|
362 |
85ad3d82
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Assos Assos
|
|
363 |
|
|
// Retrieve the permissions for each role.
|
364 |
|
|
$role_permissions = user_role_permissions(user_roles());
|
365 |
|
|
|
366 |
|
|
// Based on field_ui_fields_list() in field_ui.admin.inc.
|
367 |
|
|
$rows = array();
|
368 |
08475715
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Assos Assos
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foreach (field_info_fields() as $field_name => $field) {
|
369 |
|
|
foreach ($field['bundles'] as $entity_type => $bundles) {
|
370 |
|
|
foreach ($bundles as $bundle) {
|
371 |
|
|
// Some fields might belong to bundles that are disabled (which are not
|
372 |
|
|
// returned by field_info_bundles()).
|
373 |
|
|
// @see https://www.drupal.org/node/1351506
|
374 |
|
|
if (!isset($bundles_info[$entity_type][$bundle])) {
|
375 |
|
|
continue;
|
376 |
|
|
}
|
377 |
85ad3d82
|
Assos Assos
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// Each field will have a row in the table.
|
378 |
08475715
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if (module_exists('field_ui')) {
|
379 |
|
|
$admin_path = _field_ui_bundle_admin_path($entity_type, $bundle);
|
380 |
|
|
$field_admin_path = l($bundles_info[$entity_type][$bundle]['label'], $admin_path . '/fields/' . $field_name, array(
|
381 |
|
|
'query' => $destination,
|
382 |
|
|
'fragment' => 'edit-field-field-permissions-type',
|
383 |
|
|
));
|
384 |
|
|
}
|
385 |
|
|
else {
|
386 |
|
|
$field_admin_path = $bundles_info[$entity_type][$bundle]['label'];
|
387 |
|
|
}
|
388 |
85ad3d82
|
Assos Assos
|
$rows[$field_name]['data'][0] = $field['locked'] ? t('@field_name (Locked)', array('@field_name' => $field_name)) : $field_name;
|
389 |
08475715
|
Assos Assos
|
$rows[$field_name]['data'][1] = $field_types[$field['type']]['label'];
|
390 |
|
|
$rows[$field_name]['data'][2] = $entity_type;
|
391 |
|
|
$rows[$field_name]['data'][3][] = $field_admin_path;
|
392 |
85ad3d82
|
Assos Assos
|
$rows[$field_name]['class'] = $field['locked'] ? array('menu-disabled') : array('');
|
393 |
|
|
|
394 |
|
|
// Append field permissions information to the report.
|
395 |
|
|
$type = isset($field['field_permissions']['type']) ? $field['field_permissions']['type'] : FIELD_PERMISSIONS_PUBLIC;
|
396 |
|
|
foreach (array_keys(field_permissions_list_field_permissions($field)) as $index => $permission) {
|
397 |
|
|
// Put together the data value for the cell.
|
398 |
|
|
$data = '';
|
399 |
|
|
$full_colspan = FALSE;
|
400 |
|
|
if ($type == FIELD_PERMISSIONS_PUBLIC) {
|
401 |
|
|
$data = t('Public field (author and administrators can edit, everyone can view)');
|
402 |
|
|
$full_colspan = TRUE;
|
403 |
|
|
}
|
404 |
|
|
elseif ($type == FIELD_PERMISSIONS_PRIVATE) {
|
405 |
|
|
$data = t('Private field (only author and administrators can edit and view)');
|
406 |
|
|
$full_colspan = TRUE;
|
407 |
|
|
}
|
408 |
|
|
else {
|
409 |
|
|
// This is a field with custom permissions. Link the field to the
|
410 |
|
|
// appropriate row of the permissions page, and theme it based on
|
411 |
|
|
// whether all users have access.
|
412 |
|
|
$all_users_have_access = isset($role_permissions[DRUPAL_ANONYMOUS_RID][$permission]) && isset($role_permissions[DRUPAL_AUTHENTICATED_RID][$permission]);
|
413 |
|
|
$status_class = $all_users_have_access ? 'field-permissions-status-on' : 'field-permissions-status-off';
|
414 |
|
|
$title = $all_users_have_access ? t('All users have this permission') : t('Not all users have this permission');
|
415 |
08475715
|
Assos Assos
|
$data = l(NULL, 'admin/people/permissions', array(
|
416 |
85ad3d82
|
Assos Assos
|
'attributes' => array(
|
417 |
|
|
'class' => array('field-permissions-status', $status_class),
|
418 |
|
|
'title' => $title,
|
419 |
|
|
),
|
420 |
|
|
'query' => $destination,
|
421 |
|
|
'fragment' => drupal_html_class("edit $permission"),
|
422 |
|
|
));
|
423 |
|
|
}
|
424 |
|
|
|
425 |
|
|
// Construct the cell.
|
426 |
|
|
$rows[$field_name]['data'][4 + $index] = array(
|
427 |
|
|
'data' => $data,
|
428 |
|
|
'class' => array('field-permissions-cell'),
|
429 |
|
|
);
|
430 |
|
|
if ($full_colspan) {
|
431 |
|
|
$rows[$field_name]['data'][4 + $index]['colspan'] = 5;
|
432 |
|
|
break;
|
433 |
|
|
}
|
434 |
|
|
}
|
435 |
|
|
}
|
436 |
|
|
}
|
437 |
|
|
}
|
438 |
|
|
foreach ($rows as $field_name => $cell) {
|
439 |
|
|
$rows[$field_name]['data'][3] = implode(', ', $cell['data'][3]);
|
440 |
|
|
}
|
441 |
|
|
if (empty($rows)) {
|
442 |
|
|
$output = t('No fields have been defined for any content type yet.');
|
443 |
|
|
}
|
444 |
|
|
else {
|
445 |
|
|
// Sort rows by field name.
|
446 |
|
|
ksort($rows);
|
447 |
|
|
|
448 |
|
|
// Allow external modules alter the table headers and rows.
|
449 |
|
|
foreach (module_implements('field_permissions_overview_alter') as $module) {
|
450 |
08475715
|
Assos Assos
|
$function = $module . '_field_permissions_overview_alter';
|
451 |
85ad3d82
|
Assos Assos
|
$function($headers, $rows);
|
452 |
|
|
}
|
453 |
|
|
|
454 |
|
|
$output = theme('table', array('header' => $headers, 'rows' => $rows));
|
455 |
|
|
}
|
456 |
|
|
return $output;
|
457 |
|
|
} |