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@@ -0,0 +1,206 @@
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+<?php
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+
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+/**
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+ * @file
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+ * Purpose: This Handler provides a generic select list for any chado field that is a string
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+ * The select list includes all distinct values for that field.
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+ *
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+ * @ingroup views_filter_handlers
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+ * @ingroup tripal_core
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+ */
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+class tripal_views_handler_filter_string_selectbox extends views_handler_filter_string {
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+
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+ function options_form(&$form, &$form_state) {
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+ parent::options_form($form, $form_state);
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+
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+ $form['values_form_type'] = array(
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+ '#type' => 'radios',
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+ '#title' => t('Filter Type'),
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+ '#options' => array(
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+ 'textfield' => 'Text Field',
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+ 'select' => 'Drop-Down Box',
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+ ),
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+ '#default_value' => ($this->options['values_form_type']) ? $this->options['values_form_type'] : 'select',
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+ );
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+
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+ $form['multiple'] = array(
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+ '#type' => 'checkbox',
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+ '#title' => t('Select Multiple'),
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+ '#description' => t('Allows more then one option to be selected.'),
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+ '#default_value' => (isset($this->options['multiple'])) ? $this->options['multiple'] : FALSE,
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+ );
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+
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+ $form['optional'] = array(
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+ '#type' => 'checkbox',
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+ '#title' => t('Optional'),
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+ '#description' => t('Adds --Any-- to the available options.'),
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+ '#default_value' => (isset($this->options['optional'])) ? $this->options['optional'] : TRUE,
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+ );
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+
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+ $form['max_length'] = array(
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+ '#type' => 'textfield',
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+ '#title' => t('Max Width'),
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+ '#description' => t('Specify the maximum width of the select box'),
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+ '#default_value' => (isset($this->options['max_length'])) ? $this->options['max_length'] : 40,
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+
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+ );
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+ $form['max_length'] = array(
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+ '#type' => 'markup',
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+ '#value' => t('<strong><font color="red">Note:</font></strong> If another filter exists for the same table then '.
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+ 'the values shown in the drop box will only include those from rows that are not filtered.'),
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+
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+ );
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+
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+ }
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+
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+ /**
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+ * Defines the value field in both the views filter options form
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+ * and the exposed form
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+ */
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+ function value_form(&$form, &$form_state) {
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+ parent::value_form($form, $form_state);
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+
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+ if (preg_match('/textfield/', $this->options['values_form_type'])) {
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+ $form['value'] = array(
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+ '#type' => 'textfield',
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+ '#title' => t('%label', array('%label' => $this->options['label'])),
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+ '#default_value' => $this->value,
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+ );
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+
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+ }
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+ else {
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+
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+ // build a where clause that will filter the list in the drop box
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+ // using fields that are not exposed and that are for the table
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+ // from whcih the values in the drop box will be slected and
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+ // we only want to use non-exposed fields because these are not
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+ // available to the user to edit--their fixed.
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+ $where = '';
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+ $filters = $this->view->filter;
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+ foreach($filters as $filter_name => $details){
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+ // we only want to inclue non-exposed filters
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+ if($details->options['exposed'] == FALSE){
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+ // we only want to filter on the table we're getting the list from
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+ if(strcmp($details->table,$this->table)==0){
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+ $where .= "$details->field $details->operator ". $details->value['value'];
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+ $where .= ' AND ';
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+ }
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+ }
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+ }
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+ if($where){
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+ $where = "WHERE $where";
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+ $where = substr($where,0,-5); # remove the final ' AND '
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+ }
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+
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+ // get the values from the table
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+ $sql = "SELECT $this->real_field FROM $this->table $where ORDER BY $this->field ASC";
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+ $previous_db = tripal_db_set_active('chado'); // use chado database
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+ $results = db_query($sql);
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+ tripal_db_set_active($previous_db); // now use drupal database
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+
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+ // Build the select box options
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+ $max_length = $this->options['max_length'];
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+ if (!$max_length) {
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+ $max_length = 40;
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+ }
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+ if ($this->options['optional']) {
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+ //$options['<select '.$this->table.'>'] = '--None--';
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+ $options['All'] = '--Any--';
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+ }
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+ while ($r = db_fetch_object($results)) {
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+ if (drupal_strlen($r->{$this->field}) > $max_length) {
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+ $options[$r->{$this->field}] = drupal_substr($r->{$this->field}, 0, $max_length) . '...';
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+ }
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+ else {
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+ $options[$r->{$this->field}] = $r->{$this->field};
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+ }
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+ }
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+
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+ //Select List
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+ $form['value'] = array(
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+ '#type' => 'select',
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+ '#title' => t('%label', array('%label' => $this->options['label'])),
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+ '#options' => $options,
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+ '#default_value' => $this->value,
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+ );
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+
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+ if ($this->options['multiple']) {
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+ $form['value']['#multiple'] = TRUE;
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+ }
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+ }
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+ }
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+
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+ /**
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+ * Ensures the select list gets rendered when the filter is exposed
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+ */
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+ function exposed_form(&$form, &$form_state) {
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+ if (empty($this->options['exposed'])) {
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+ return;
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+ }
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+
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+ $value = $this->options['expose']['identifier'];
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+ $this->value_form($form, $form_state);
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+ $form[$value] = $form['value'];
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+
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+ if (isset($form[$value]['#title']) && !empty($form[$value]['#type']) && $form[$value]['#type'] != 'checkbox') {
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+ unset($form[$value]['#title']);
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+ }
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+
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+ $this->exposed_translate($form[$value], 'value');
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+
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+ if (!empty($form['#type']) && ($form['#type'] == 'checkboxes' || ($form['#type'] == 'select' && !empty($form['#multiple'])))) {
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+ unset($form[$value]['#default_value']);
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+ }
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+
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+ if (!empty($form['#type']) && $form['#type'] == 'select' && empty($form['#multiple'])) {
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+ $form[$value]['#default_value'] = 'All';
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+ }
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+
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+ if ($value != 'value') {
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+ unset($form['value']);
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+ }
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+
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+ }
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+
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+ /**
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+ *
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+ */
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+ function query() {
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+
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+ $this->ensure_my_table();
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+ $field = "$this->table_alias.$this->real_field";
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+ $upper = $this->case_transform();
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+
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+ if ($this->options['multiple']) {
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+ // Remove any if it's there
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+ unset($this->value['All']);
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+
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+ if (sizeof($this->value)) {
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+ $holders = array();
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+ foreach ($this->value as $v) {
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+ if (preg_match('/^[\d\.]+$/', $v)) {
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+ $holders[] = '%d';
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+ }
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+ else {
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+ $holders[] = "'%s'";
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+ }
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+ }
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+ $where = "$field IN (" . implode(", ", $holders) . ")";
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+ $this->query->add_where($this->options['group'], $where, $this->value);
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+ }
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+ }
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+ else {
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+
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+ // Deal with All/Any as value
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+ if (preg_match('/All/', $this->value)) {
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+ // Don't do anything
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+ }
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+ else {
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+ $info = $this->operators();
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+ if (!empty($info[$this->operator]['method'])) {
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+ $this->{$info[$this->operator]['method']}($field, $upper);
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+ }
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+ }
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+ }
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+ }
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+}
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spficklin