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<?php
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// $Id$
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/**
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* @file
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* Defines a field type for referencing a state.
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*/
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/**
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* Implementation of hook_field_info().
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*/
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function statereference_field_info() {
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return array(
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'statereference' => array('label' => 'Workflow State Reference'),
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);
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}
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/**
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* Implementation of hook_field_settings().
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*/
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function statereference_field_settings($op, $field) {
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switch ($op) {
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case 'form':
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$form = array();
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return $form;
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case 'save':
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return array('referenceable_types');
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case 'database columns':
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$columns = array(
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'sid' => array('type' => 'int', 'not null' => TRUE, 'default' => '0'),
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);
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return $columns;
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}
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}
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/**
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* Return an array of all states
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*/
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function _statereference_get_states() {
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$states_list = array();
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$states_list[-10] = 'Any';
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$states_result = db_query('SELECT
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ws.sid AS sid, w.name AS name, ws.state AS state
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FROM
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{workflows} AS w INNER JOIN {workflow_states} AS ws ON w.wid = ws.wid
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ORDER BY
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w.name, ws.state');
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while ($obj = db_fetch_object($states_result)) {
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if ($obj->state == '(creation)') {
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$states_list[0] = $obj->name .':'. $obj->state;
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}
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else {
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$states_list[$obj->sid] = $obj->name .':'. $obj->state;
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}
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}
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return $states_list;
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}
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/**
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* Implementation of hook_field().
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*/
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function statereference_field($op, &$state, $field, &$items, $teaser, $page) {
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switch ($op) {
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case 'view':
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foreach ($items as $delta => $item) {
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$items[$delta]['view'] = content_format($field, $item, 'default', $state);
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}
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return theme('field', $state, $field, $items, $teaser, $page);
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}
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}
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/**
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* Implementation of hook_field_formatter_info().
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*/
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function statereference_field_formatter_info() {
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return array(
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'default' => array(
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'label' => 'Default',
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'field types' => array('statereference'),
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),
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'plain' => array(
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'label' => 'Plain text',
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'field types' => array('statereference'),
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),
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);
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}
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/**
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* Implementation of hook_field_formatter().
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*/
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function statereference_field_formatter($field, $item, $formatter, $state) {
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$text = '';
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if (isset($item['sid'])) {
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$states = _statereference_get_states();
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$referenced_state = $states[ $item['sid'] ];
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if ($referenced_state) {
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$text = $referenced_state;
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}
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}
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switch ($formatter) {
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case 'plain':
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return strip_tags($text);
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default:
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return $text;
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}
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}
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/**
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* Implementation of hook_widget_info().
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*/
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function statereference_widget_info() {
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return array(
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'statereference_select' => array(
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'label' => 'Select List',
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'field types' => array('statereference'),
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)
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);
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}
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/**
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* Implementation of hook_widget().
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*/
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function statereference_widget($op, &$state, $field, &$state_field) {
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if ($field['widget']['type'] == 'statereference_select') {
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switch ($op) {
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case 'prepare form values':
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$state_field_transposed = content_transpose_array_rows_cols($state_field);
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$state_field['default sids'] = $state_field_transposed['sid'];
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break;
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case 'form':
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$form = array();
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$form[$field['field_name']] = array('#tree' => TRUE);
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$form[$field['field_name']]['sids'] = array(
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'#type' => 'select',
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'#title' => t($field['widget']['label']),
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'#default_value' => $state_field['default sids'],
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'#multiple' => $field['multiple'],
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'#options' => _statereference_get_states(),
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'#required' => $field['required'],
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'#description' => $field['widget']['description'],
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);
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return $form;
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case 'process form values':
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if ($field['multiple']) {
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$state_field = content_transpose_array_rows_cols(array('sid' => $state_field['sids']));
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}
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else {
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$state_field[0]['sid'] = $state_field['sids'];
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}
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// Remove the widget's data representation so it isn't saved.
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unset($state_field['sids']);
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}
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}
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}
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