chado_linker__prop_widget.inc
File
tripal_chado/includes/TripalFields/chado_linker__prop/chado_linker__prop_widget.incView source
- <?php
-
- class chado_linker__prop_widget extends ChadoFieldWidget {
- // The default lable for this field.
- public static $default_label = 'Chado Property';
-
- // The list of field types for which this formatter is appropriate.
- public static $field_types = array('chado_linker__prop');
-
- /**
- *
- * @see TripalFieldWidget::form()
- */
- public function form(&$widget, &$form, &$form_state, $langcode, $items, $delta, $element) {
- parent::form($widget, $form, $form_state, $langcode, $items, $delta, $element);
-
- $field_name = $this->field['field_name'];
- $field_type = $this->field['type'];
- $base_table = $this->instance['settings']['base_table'];
- $field_table = $this->instance['settings']['chado_table'];
- $chado_column = $this->instance['settings']['chado_column'];
- $rows = array_key_exists('rows', $this->instance['settings']) ? $this->instance['settings']['rows'] : 1;
- $instance = $this->instance;
-
- // Get the name of the pkey field for this property table and the name
- // of the FK field that links to the base table.
- $schema = chado_get_schema($field_table);
- $pkey = $schema['primary key'][0];
- $lfkey_field = key($schema['foreign keys'][$base_table]['columns']);
- $rfkey_field = $schema['foreign keys'][$base_table]['columns'][$lfkey_field];
-
- // Get the field defaults.
- $record_id = '';
- $fk_value = '';
- $value = '';
- $rank = $delta;
- $type_id = '';
-
- // If the field already has a value then it will come through the $items
- // array. This happens when editing an existing record.
- if (count($items) > 0) {
- // Check for element values that correspond to fields in the Chado table.
- $fk_value = tripal_get_field_item_keyval($items, 0, 'chado-' . $field_table . '__' . $lfkey_field, $fk_value);
- $type_id = tripal_get_field_item_keyval($items, 0, 'chado-' . $field_table . '__type_id', $type_id);
- if (array_key_exists($delta, $items)) {
- $record_id = tripal_get_field_item_keyval($items, $delta, 'chado-' . $field_table . '__' . $pkey, $record_id);
- $value = tripal_get_field_item_keyval($items, $delta, 'chado-' . $field_table . '__value', $value);
- $rank = tripal_get_field_item_keyval($items, $delta, 'chado-' . $field_table . '__rank', $rank);
- }
- }
-
- // Check $form_state['values'] to see if an AJAX call set the values.
- if (array_key_exists('values', $form_state) and
- array_key_exists($field_name, $form_state['values'])) {
- $record_id = $form_state['values'][$field_name]['und'][$delta]['chado-' . $field_table . '__' . $pkey];
- $fk_value = $form_state['values'][$field_name]['und'][$delta]['chado-' . $field_table . '__' . $lfkey_field];
- $type_id = $form_state['values'][$field_name]['und'][$delta]['chado-' . $field_table . '__type_id'];
- $value = $form_state['values'][$field_name]['und'][$delta]['chado-' . $field_table . '__value'];
- $rank = $form_state['values'][$field_name]['und'][$delta]['chado-' . $field_table . '__rank'];
- }
-
- // Use default value for the field if it's not already set
- if (!$value && isset($instance['default_value'][$delta])) {
- $value = $instance['default_value'][$delta]['value'];
- }
- if (!$type_id) {
- $vocabulary = $this->instance['settings']['term_vocabulary'];
- $accession = $this->instance['settings']['term_accession'];
- $cvterm = chado_get_cvterm(array(
- 'dbxref_id' => array(
- 'db_id' => array(
- 'name' => $vocabulary,
- ),
- 'accession' => $accession,
- ),
- ));
- if ($cvterm) {
- $type_id = $cvterm->cvterm_id;
- }
- }
-
- $widget['value'] = array(
- '#type' => 'value',
- '#value' => array_key_exists($delta, $items) ? $items[$delta]['value'] : '',
- );
-
- $widget['chado-' . $field_table . '__' . $pkey] = array(
- '#type' => 'hidden',
- '#default_value' => $record_id,
- );
- $widget['chado-' . $field_table . '__' . $lfkey_field] = array(
- '#type' => 'hidden',
- '#value' => $fk_value,
- );
- $widget['chado-' . $field_table . '__value'] = array(
- '#type' => 'textarea',
- '#default_value' => $value,
- '#title' => $instance['label'],
- '#description' => $instance['description'],
- '#rows' => $rows,
- '#required' => $instance['required'],
- );
- $widget['chado-' . $field_table . '__type_id'] = array(
- '#type' => 'hidden',
- '#value' => $type_id,
- );
- $widget['chado-' . $field_table . '__rank'] = array(
- '#type' => 'hidden',
- '#value' => $rank,
- );
- }
-
- /**
- *
- * @see TripalFieldWidget::submit()
- */
- public function validate($element, $form, &$form_state, $langcode, $delta) {
- $field_name = $this->field['field_name'];
- $field_type = $this->field['type'];
- $base_table = $this->instance['settings']['base_table'];
- $field_table = $this->instance['settings']['chado_table'];
- $chado_column = $this->instance['settings']['chado_column'];
- $instance = $this->instance;
-
- $schema = chado_get_schema($field_table);
- $pkey = $schema['primary key'][0];
- $base_table = $this->instance['settings']['base_table'];
- $lfkey_field = key($schema['foreign keys'][$base_table]['columns']);
- $rfkey_field = $schema['foreign keys'][$base_table]['columns'][$lfkey_field];
-
- $value = $form_state['values'][$field_name]['und'][$delta]['chado-' . $field_table . '__value'];
- $form_state['values'][$field_name]['und'][$delta]['value'] = $value;
-
- // If the user removed the property then we want to clear out the other
- // fields except the pkey value. If the pkey field is present and the value
- // is present then the chado storage backend will delete the record.
- if (!$value) {
- $form_state['values'][$field_name]['und'][$delta]['value'] = 'delete_me';
- $form_state['values'][$field_name]['und'][$delta]['chado-' . $field_table . '__' . $lfkey_field] = '';
- $form_state['values'][$field_name]['und'][$delta]['chado-' . $field_table . '__type_id'] = '';
- $form_state['values'][$field_name]['und'][$delta]['chado-' . $field_table . '__value'] = '';
- $form_state['values'][$field_name]['und'][$delta]['chado-' . $field_table . '__rank'] = '';
- }
- }
- }