workflow_rules.module in Workflow 6

Rules integration for the Workflow module

File

workflow_rules/workflow_rules.module

<?php

/**
 * @file
 * Rules integration for the Workflow module
 */

/**
 * Implementation of hook_rules_event_info().
 */
function workflow_rules_rules_event_info() {
  $events = array(
    'workflow_state_changed' => array(
      'label' => t('Workflow state has changed'),
      'module' => 'Workflow',
      'arguments' => workflow_rules_events_workflow_arguments(),
    ),
    'workflow_comment_added' => array(
      'label' => t('Workflow comment was added'),
      'module' => 'Workflow',
      'arguments' => workflow_rules_events_workflow_arguments(),
      'description' => t('New workflow comment was added, but the workflow state did not change.'),
    ),
  );
  return $events;
}

/**
 * Returns arguments for a workflow event.
 */
function workflow_rules_events_workflow_arguments() {
  return array(
    'node' => array(
      'type' => 'node',
      'label' => t('Updated content'),
    ),
    'old_state' => array(
      'type' => 'workflow_state',
      'label' => t('Old workflow state'),
    ),
    'new_state' => array(
      'type' => 'workflow_state',
      'label' => t('New workflow state'),
    ),
    'author' => array(
      'type' => 'user',
      'label' => t('Content author'),
      'handler' => 'rules_events_argument_node_author',
    ),
  ) + rules_events_global_user_argument();
}

/**
 * Implementation of hook_condition_info().
 */
function workflow_rules_rules_condition_info() {
  return array(
    'workflow_rules_check_transition' => array(
      'label' => t('Check workflow transition'),
      'arguments' => array(
        'old_state' => array(
          'type' => 'workflow_state',
          'label' => t('Old workflow state'),
        ),
        'new_state' => array(
          'type' => 'workflow_state',
          'label' => t('New workflow state'),
        ),
      ),
      'help' => t('Evaluates to TRUE, if the workflow being updated is moved from state A to state B'),
      'module' => 'Workflow',
    ),
    'workflow_rules_check_state' => array(
      'label' => t('Content has workflow state'),
      'arguments' => array(
        'node' => array(
          'type' => 'node',
          'label' => t('Node'),
        ),
      ),
      'help' => t('Check state of workflow for a content'),
      'module' => 'Workflow',
    ),
  );
}

/**
 * Condition implementation: check state transition. 
 */
function workflow_rules_check_transition($old_state, $new_state, $settings) {
  if (in_array('ANY', $settings['from_state'])) {
    if (in_array('ANY', $settings['to_state'])) {
      return TRUE;
    }
    return in_array($new_state, $settings['to_state']);
  }
  if (in_array('ANY', $settings['to_state'])) {
    return in_array($old_state, $settings['from_state']);
  }
  return in_array($old_state, $settings['from_state']) && in_array($new_state, $settings['to_state']);
}

/**
 * Condition implementation: check state. 
 */
function workflow_rules_check_state($node, $settings) {
  if (in_array('ANY', $settings['state'])) {
    return TRUE;
  }
  $state = workflow_node_current_state($node);
  return in_array($state, $settings['state']);
}

/**
 * Implementation of hook_rules_action_info_alter().
 */
function workflow_rules_rules_action_info_alter(&$actions) {
  $actions['rules_core_workflow_select_next_state_action']['module'] = 'Workflow';
  $actions['rules_core_workflow_select_given_state_action']['module'] = 'Workflow';
}

/**
 * Implementation of hook_rules_data_type_info().
 */
function workflow_rules_rules_data_type_info() {
  return array(
    'workflow_state' => array(
      'label' => t('Workflow state'),
      'class' => 'rules_data_type',
      'savable' => FALSE,
      'identifiable' => TRUE,
      'uses_input_form' => FALSE,
      'token type' => FALSE,
      'module' => 'Workflow',
    ),
  );
}

/**
 * Configuration form for check transition condition.
 */
function workflow_rules_check_transition_form($settings, &$form) {
  $options = array();
  $options['ANY'] = t('Any state');
  foreach (workflow_get_all() as $wid => $workflow) {
    $options[$workflow] = array();
    foreach (workflow_get_states($wid) as $sid => $state) {
      $options[$workflow][$sid] = $state;
    }
  }
  $form['settings']['from_state'] = array(
    '#type' => 'select',
    '#title' => t('From State'),
    '#options' => $options,
    '#multiple' => TRUE,
    '#default_value' => isset($settings['from_state']) ? $settings['from_state'] : array(),
    '#required' => TRUE,
  );
  $form['settings']['to_state'] = array(
    '#type' => 'select',
    '#title' => t('To State'),
    '#options' => $options,
    '#multiple' => TRUE,
    '#default_value' => isset($settings['to_state']) ? $settings['to_state'] : array(),
    '#required' => TRUE,
  );
}

/**
 * Label callback for check transition condition.
 */
function workflow_rules_check_transition_label($settings, $argument_labels) {
  if (in_array('ANY', $settings['from_state'])) {
    $settings['from_state'] = array(
      'ANY',
    );
  }
  if (in_array('ANY', $settings['to_state'])) {
    $settings['to_state'] = array(
      'ANY',
    );
  }
  $from = array();
  $to = array();
  foreach ($settings['from_state'] as $state) {
    if ($state != 'ANY') {
      $fromtemp = workflow_get_state($state);
      $from[] = $fromtemp['state'];
    }
    else {
      $from[] = t('Any state');
    }
  }
  foreach ($settings['to_state'] as $state) {
    if ($state != 'ANY') {
      $totemp = workflow_get_state($state);
      $to[] = $totemp['state'];
    }
    else {
      $to[] = t('Any state');
    }
  }
  return t('Check workflow transition from @from to @to', array(
    '@from' => implode(', ', $from),
    '@to' => implode(', ', $to),
  ));
}

/**
 * Configuration form for check state condition.
 */
function workflow_rules_check_state_form($settings, &$form) {
  $options = array();
  $options['ANY'] = t('Any state');
  foreach (workflow_get_all() as $wid => $workflow) {
    $options[$workflow] = array();
    foreach (workflow_get_states($wid) as $sid => $state) {
      $options[$workflow][$sid] = $state;
    }
  }
  $form['settings']['state'] = array(
    '#type' => 'select',
    '#title' => t('State'),
    '#options' => $options,
    '#multiple' => TRUE,
    '#default_value' => isset($settings['state']) ? $settings['state'] : array(),
    '#required' => TRUE,
  );
}

/**
 * Label callback for check state condition.
 */
function workflow_rules_check_state_label($settings, $argument_labels) {
  if (in_array('ANY', $settings['state'])) {
    $settings['state'] = array(
      'ANY',
    );
  }
  $states = array();
  foreach ($settings['state'] as $state) {
    if ($state != 'ANY') {
      $temp = workflow_get_state($state);
      $states[] = $temp['state'];
    }
    else {
      $states[] = t('Any state');
    }
  }
  return t('Check if content workflow state is @state', array(
    '@state' => implode(', ', $states),
  ));
}

Functions

Name	Description
workflow_rules_check_state	Condition implementation: check state.
workflow_rules_check_state_form	Configuration form for check state condition.
workflow_rules_check_state_label	Label callback for check state condition.
workflow_rules_check_transition	Condition implementation: check state transition.
workflow_rules_check_transition_form	Configuration form for check transition condition.
workflow_rules_check_transition_label	Label callback for check transition condition.
workflow_rules_events_workflow_arguments	Returns arguments for a workflow event.
workflow_rules_rules_action_info_alter	Implementation of hook_rules_action_info_alter().
workflow_rules_rules_condition_info	Implementation of hook_condition_info().
workflow_rules_rules_data_type_info	Implementation of hook_rules_data_type_info().
workflow_rules_rules_event_info	Implementation of hook_rules_event_info().