class WorkflowDefaultWidget in Workflow 7
Same name and namespace in other branches
- 7.2 includes/Field/WorkflowDefaultWidget.php \WorkflowDefaultWidget
Plugin implementation of the 'workflow_default' widget. @todo D8: Replace "extends WorkflowD7WidgetBase" by "extends WidgetBase" or perhaps by "extends OptionsWidgetBase" from Options module.
Plugin annotation
@FieldWidget(
id = "workflow_default",
label = @Translation("Workflow"),
field_types = {
"workflow"
},
settings = {
"name_as_title" = 1
"comment" = 1
}
)
Hierarchy
- class \WorkflowD7Base
- class \WorkflowDefaultWidget
Expanded class hierarchy of WorkflowDefaultWidget
File
- includes/
Field/ WorkflowDefaultWidget.php, line 25 - Contains workflow\includes\Field\WorkflowDefaultWidget.
View source
class WorkflowDefaultWidget extends WorkflowD7Base {
// D8: extends WidgetBase {
/*
* Function, that gets replaced by the 'annotations' in D8. (@see comments above this class)
*/
public static function settings() {
return array(
'workflow_default' => array(
'label' => t('Workflow'),
'field types' => array(
'workflow',
),
'settings' => array(
'name_as_title' => 1,
'comment' => 1,
),
),
);
}
/**
* Implements hook_field_widget_settings_form() --> WidgetInterface::settingsForm().
* {@inheritdoc}
*
* The Widget Instance has no settings. To have a uniform UX, all settings are done on the Field level.
*/
public function settingsForm(array $form, array &$form_state, $has_data) {
$element = array();
return $element;
}
/**
* Implements hook_field_widget_form --> WidgetInterface::formElement().
* {@inheritdoc}
*
* Be careful: this widget may be shown in very different places. Test carefully!!
* - On a node add/edit page
* - On a node preview page
* - On a node view page
* - On a node 'workflow history' tab
* - On a comment display, in the comment history
* - On a comment form, below the comment history
* @todo D8: change "array $items" to "FieldInterface $items"
*/
public function formElement(array $items, $delta, array $element, $langcode, array &$form, array &$form_state) {
$field_name = $this->field['field_name'];
$entity = $this->entity;
$entity_type = $this->entity_type;
$entity_id = isset($entity->nid) ? $entity->nid : entity_id($entity_type, $entity);
if (!$entity) {
// If no entity given, do not show a form. E.g., on the field settings page.
return $element;
}
// Capture settings to format the form/widget.
$settings_title_as_name = $this->field['settings']['widget']['name_as_title'] && $this->instance['widget']['settings']['name_as_title'];
// The schedule cannot be shown on a Content add page.
$settings_schedule = $this->field['settings']['widget']['schedule'] && $entity_id;
$settings_schedule_timezone = $this->field['settings']['widget']['schedule_timezone'];
$settings_comment = $this->field['settings']['widget']['comment'] && $this->instance['widget']['settings']['comment'] ? 'textarea' : 'hidden';
// The 'add submit' setting is explicitely set by workflowfield_field_formatter_view(), to add the submit button on the Content view page.
$settings_submit = isset($this->instance['widget']['settings']['submit']) ? TRUE : FALSE;
$workflow = Workflow::load($this->field['settings']['wid']);
// @todo: Get the current sid for content, comment, preview.
if (count($items)) {
// A normal Content edit.
$sid = _workflow_get_sid_by_items($items);
}
else {
// We are on a Content add or Comment add (which do not have a state, yet),
// or we are viewing existing content, which didn't have a state before.
//@todo: why/when would field_get_items returns a result, if $items is already empty?
$items = field_get_items($entity_type, $entity, $field_name);
if ($items) {
$sid = _workflow_get_sid_by_items($items);
}
}
if (empty($sid)) {
// Content add page: No valid sid is given, so get the first state.
// or a states has been deleted.
$sid = $workflow
->getFirstSid($entity_type, $entity);
}
$state = WorkflowState::load($sid);
$options = $state
->getOptions($entity_type, $entity);
// Get the scheduling info. This may change the current $sid on the Form.
$scheduled = '0';
$timestamp = REQUEST_TIME;
$comment = NULL;
if ($settings_schedule) {
// Read scheduled information.
// Technically you could have more than one scheduled, but this will only add the soonest one.
foreach (WorkflowScheduledTransition::load($entity_type, $entity_id, $field_name) as $scheduled_transition) {
$scheduled = '1';
$sid = $scheduled_transition->sid;
$timestamp = $scheduled_transition->scheduled;
$comment = $scheduled_transition->comment;
break;
}
}
// Stop if user has no new target state(s) to choose.
if (!workflow_show_form($sid, $workflow, $options)) {
//dpm('show only formatter for ' . $sid , __FUNCTION__);
return $element;
}
$label = $workflow
->label();
$element['workflow'] = array(
'#type' => 'fieldset',
'#title' => $label,
'#collapsible' => TRUE,
'#collapsed' => FALSE,
);
// Save the current value of the node in the form, for later reference.
$element['workflow']['#node'] = $entity;
$element['workflow']['#entity'] = $entity;
$element['#node'] = $entity;
$element['#entity'] = $entity;
//dpm(array_pop($options));
//dpm(array_pop($options));
if (count($options) == 1) {
// Add the State widget/formatter
// @todo: add real formatter, instead.
// @todo: TEST THIS USE CASE.
// There is no need to show the single choice.
// A form choice would be an array with the key of the state.
$state = key($options);
// $element['workflow'][$label] = array(
$element['workflow']['workflow_options'] = array(
'#type' => 'value',
'#value' => array(
$state => $state,
),
);
}
else {
// @todo: Q: why are we overwriting 'fieldset' with 'container' ?
// A: this is because you'd want the form in a vertical tab, and a fieldset makes no sense there.
$element['workflow']['#type'] = 'container';
$element['workflow']['#attributes'] = array(
'class' => array(
'workflow-form-container',
),
);
$element['workflow']['workflow_options'] = array(
'#type' => $this->field['settings']['widget']['options'],
'#title' => $settings_title_as_name ? t('Change !name state', array(
'!name' => $label,
)) : '',
'#options' => $options,
// '#name' => $label,
// '#parents' => array('workflow'),
'#default_value' => $sid,
);
}
// Display scheduling form, but only if entity is being edited and user has
// permission. State change cannot be scheduled at entity creation because
// that leaves the entity in the (creation) state.
if ($settings_schedule == TRUE && user_access('schedule workflow transitions')) {
// Caveat: for the #states to work in multi-node view, the name is suffixed by unique ID.
if (isset($form['#id']) && $form['#id'] == 'comment-form') {
// This is already the name for Node API and now also for Comment form.
// We assume there is only one Comment form on a page.
$element_name = 'workflow_scheduled';
}
else {
// This name allows for multiple nodes on a page.
// @todo: #states doesn't work yet for non-Node entities.
$element_name = 'workflow_scheduled' . '-' . $entity_type . '-' . $entity_id;
}
// $element['workflow']['workflow_scheduled'] = array(
$element['workflow'][$element_name] = array(
'#type' => 'radios',
'#title' => t('Schedule'),
'#options' => array(
'0' => t('Immediately'),
'1' => t('Schedule for state change'),
),
'#default_value' => $scheduled,
);
$element['workflow']['workflow_scheduled_date_time'] = array(
'#type' => 'fieldset',
'#title' => t('At'),
'#prefix' => '<div style="margin-left: 1em;">',
'#suffix' => '</div>',
'#states' => array(
// 'visible' => array(':input[name="workflow_scheduled"]' => array('value' => '1')),
// 'invisible' => array(':input[name="workflow_scheduled"]' => array('value' => '0')),
'visible' => array(
':input[name="' . $element_name . '"]' => array(
'value' => '1',
),
),
'invisible' => array(
':input[name="' . $element_name . '"]' => array(
'value' => '0',
),
),
),
);
$element['workflow']['workflow_scheduled_date_time']['workflow_scheduled_date'] = array(
'#type' => 'date',
'#default_value' => array(
'day' => date('j', $timestamp),
'month' => date('n', $timestamp),
'year' => date('Y', $timestamp),
),
);
$hours = format_date($timestamp, 'custom', 'H:i');
$element['workflow']['workflow_scheduled_date_time']['workflow_scheduled_hour'] = array(
'#type' => 'textfield',
'#description' => t('Please enter a time in 24 hour (eg. HH:MM) format.
If no time is included, the default will be midnight on the specified date.
The current time is: @time', array(
'@time' => $hours,
)),
'#default_value' => $scheduled ? isset($form_state['values']['workflow_scheduled_hour']) ? $form_state['values']['workflow_scheduled_hour'] : $hours : '00:00',
);
global $user;
if (variable_get('configurable_timezones', 1) && $user->uid && drupal_strlen($user->timezone)) {
$timezone = $user->timezone;
}
else {
$timezone = variable_get('date_default_timezone', 0);
}
$timezones = drupal_map_assoc(timezone_identifiers_list());
$element['workflow']['workflow_scheduled_date_time']['workflow_scheduled_timezone'] = array(
'#type' => $settings_schedule_timezone ? 'select' : 'hidden',
'#options' => $timezones,
'#title' => t('Time zone'),
'#default_value' => array(
$timezone => $timezone,
),
);
}
$element['workflow']['workflow_comment'] = array(
'#type' => $settings_comment,
'#title' => t('Workflow comment'),
'#description' => t('A comment to put in the workflow log.'),
'#default_value' => $comment,
'#rows' => 2,
);
if ($settings_submit) {
// Add a submit button, but only on Entity View and History page.
$element['workflow']['submit'] = array(
'#type' => 'submit',
'#value' => t('Update workflow'),
'#executes_submit_callback' => TRUE,
'#submit' => array(
'workflowfield_field_widget_form_submit',
),
);
}
return $element;
}
/*
* Implements workflow_transition() -> WorkflowDefaultWidget::submit()
* Overrides submit(array $form, array &$form_state).
* Contains 2 extra parameters for D7
* @param array $items
* The value of the field.
* @param array $force
* A boolean. TRUE if all access must be overridden, e.g., for Rules.
*
* This is called from function _workflowfield_form_submit($form, &$form_state)
* It is a replacement of function workflow_transition($node, $new_sid, $force, $field)
* It performs the following actions;
* - save a scheduled action
* - update history
* - restore the normal $items for the field.
* @todo: remove update of {node_form} table. (separate task, because it has features, too)
*/
public function submit(array $form, array &$form_state, array &$items, $force = FALSE) {
global $user;
$entity_type = $this->entity_type;
$entity = $this->entity;
$entity_id = isset($entity->nid) ? $entity->nid : entity_id($entity_type, $entity);
$field = $this->field;
$field_name = isset($this->field['field_name']) ? $this->field['field_name'] : '';
// Massage the items, depending on the type of widget.
// @todo: use MassageFormValues($values, $form, $form_state).
$old_sid = workflow_node_current_state($entity, $entity_type, $field);
// Todo : entity support.
$new_sid = isset($items[0]['workflow']['workflow_options']) ? $items[0]['workflow']['workflow_options'] : $items[0]['value'];
$new_items = isset($items[0]['workflow']) ? $items[0]['workflow'] : $items;
$transition = $this
->getTransition($old_sid, $new_sid, $new_items);
if ($error = $transition
->isAllowed($force)) {
drupal_set_message($error, 'error');
}
elseif (!$transition
->isScheduled()) {
// Now the data is captured in the Transition, and before calling the Execution,
// restore the default values for Workflow Field.
// For instance, workflow_rules evaluates this.
if ($field_name) {
$items = array();
$items[0]['value'] = $new_sid;
$entity->{$field_name}['und'] = $items;
}
// It's an immediate change. Do the transition.
// - validate option; add hook to let other modules change comment.
// - add to history; add to watchdog
// return the new value of the sid. (Execution may fail and return the old Sid.)
$new_sid = $transition
->execute($force);
// In case the transition is not executed, reset the old value.
if ($field_name) {
$items = array();
$items[0]['value'] = $new_sid;
$entity->{$field_name}['und'] = $items;
}
}
else {
// A scheduled transition must only be saved to the database. The entity is not changed.
$transition
->save();
// The current value is still the previous state.
$new_sid = $old_sid;
}
// The entity is still to be saved, so set to a 'normal' value.
if ($field_name) {
$items = array();
$items[0]['value'] = $new_sid;
$entity->{$field_name}['und'] = $items;
}
return $new_sid;
}
/*
* Implements hook_field_widget_error --> WidgetInterface::errorElement().
*/
public function errorElement(array $element, ConstraintViolationInterface $violation, array $form, array &$form_state) {
}
public function settingsSummary() {
}
// public function massageFormValues(array $values, array $form, array &$form_state) {
// }
/*
* Extract a WorkflowTransition or a WorkflowScheduledTransition from the form.
* @todo: move validation and messages to errorElement();
*/
function getTransition($old_sid, $new_sid, array $form_data) {
global $user;
$entity_type = $this->entity_type;
$entity = $this->entity;
$entity_id = isset($entity->nid) ? $entity->nid : entity_id($entity_type, $entity);
$comment = isset($form_data['workflow_comment']) ? $form_data['workflow_comment'] : '';
$field_name = !empty($this->field) ? $this->field['field_name'] : '';
// Caveat: for the #states to work in multi-node view, the name is suffixed by unique ID.
// We check both variants, for Node API and Field API, for backwards compatibility.
$element_name = 'workflow_scheduled' . '-' . $entity_type . '-' . $entity_id;
$scheduled = (isset($form_data['workflow_scheduled']) ? $form_data['workflow_scheduled'] : 0) || (isset($form_data[$element_name]) ? $form_data[$element_name] : 0);
if (!$scheduled) {
$stamp = REQUEST_TIME;
$transition = new WorkflowTransition($entity_type, $entity, $field_name, $old_sid, $new_sid, $user->uid, $stamp, $comment);
}
else {
// Schedule the time to change the state.
// If $form_data is passed, use plain values; if $form is passed, use fieldset 'workflow_scheduled_date_time'.
$schedule = isset($form_data['workflow_scheduled_date_time']) ? $form_data['workflow_scheduled_date_time'] : $form_data;
if (!isset($schedule['workflow_scheduled_hour'])) {
$schedule['workflow_scheduled_hour'] = '00:00';
}
$scheduled_date_time = $schedule['workflow_scheduled_date']['year'] . substr('0' . $schedule['workflow_scheduled_date']['month'], -2, 2) . substr('0' . $schedule['workflow_scheduled_date']['day'], -2, 2) . ' ' . $schedule['workflow_scheduled_hour'] . ' ' . $schedule['workflow_scheduled_timezone'];
if ($stamp = strtotime($scheduled_date_time)) {
$transition = new WorkflowScheduledTransition($this->entity_type, $this->entity, $field_name, $old_sid, $new_sid, $user->uid, $stamp, $comment);
}
else {
$transition = NULL;
}
}
return $transition;
}
}