Forgot to add new handlers

tripal/views_handlers/tripal_views_handler_filter.inc

@@ -0,0 +1,17 @@
+<?php
+
+class tripal_views_handler_filter extends views_handler_filter {
+
+  /**
+   * Add this filter to the query.
+   *
+   * Due to the nature of fapi, the value and the operator have an unintended
+   * level of indirection. You will find them in $this->operator
+   * and $this->value respectively.
+   */
+  function query() {
+    $this->ensure_my_table();
+    $this->query->add_where($this->options['group'], $this->real_field, $this->value, $this->operator);
+  }
+
+}

tripal/views_handlers/tripal_views_handler_filter_string.inc

@@ -0,0 +1,326 @@
+<?php
+class tripal_views_handler_filter_string extends tripal_views_handler_filter {
+  // exposed filter options
+  var $always_multiple = TRUE;
+
+  function option_definition() {
+    $options = parent::option_definition();
+
+    $options['expose']['contains']['required'] = array('default' => FALSE, 'bool' => TRUE);
+
+    return $options;
+  }
+
+  /**
+   * This kind of construct makes it relatively easy for a child class
+   * to add or remove functionality by overriding this function and
+   * adding/removing items from this array.
+   */
+  function operators() {
+    $operators = array(
+      '=' => array(
+        'title' => t('Is equal to'),
+        'short' => t('='),
+        'method' => 'op_equal',
+        'values' => 1,
+      ),
+      '!=' => array(
+        'title' => t('Is not equal to'),
+        'short' => t('!='),
+        'method' => 'op_equal',
+        'values' => 1,
+      ),
+      'contains' => array(
+        'title' => t('Contains'),
+        'short' => t('contains'),
+        'method' => 'op_contains',
+        'values' => 1,
+      ),
+      'word' => array(
+        'title' => t('Contains any word'),
+        'short' => t('has word'),
+        'method' => 'op_word',
+        'values' => 1,
+      ),
+      'allwords' => array(
+        'title' => t('Contains all words'),
+        'short' => t('has all'),
+        'method' => 'op_word',
+        'values' => 1,
+      ),
+      'starts' => array(
+        'title' => t('Starts with'),
+        'short' => t('begins'),
+        'method' => 'op_starts',
+        'values' => 1,
+      ),
+      'not_starts' => array(
+        'title' => t('Does not start with'),
+        'short' => t('not_begins'),
+        'method' => 'op_not_starts',
+        'values' => 1,
+      ),
+      'ends' => array(
+        'title' => t('Ends with'),
+        'short' => t('ends'),
+        'method' => 'op_ends',
+        'values' => 1,
+      ),
+      'not_ends' => array(
+        'title' => t('Does not end with'),
+        'short' => t('not_ends'),
+        'method' => 'op_not_ends',
+        'values' => 1,
+      ),
+      'not' => array(
+        'title' => t('Does not contain'),
+        'short' => t('!has'),
+        'method' => 'op_not',
+        'values' => 1,
+      ),
+      'shorterthan' => array(
+        'title' => t('Length is shorter than'),
+        'short' => t('shorter than'),
+        'method' => 'op_shorter',
+        'values' => 1,
+      ),
+      'longerthan' => array(
+        'title' => t('Length is longer than'),
+        'short' => t('longer than'),
+        'method' => 'op_longer',
+        'values' => 1,
+      ),
+    );
+    // if the definition allows for the empty operator, add it.
+    if (!empty($this->definition['allow empty'])) {
+      $operators += array(
+        'empty' => array(
+          'title' => t('Is empty (NULL)'),
+          'method' => 'op_empty',
+          'short' => t('empty'),
+          'values' => 0,
+        ),
+        'not empty' => array(
+          'title' => t('Is not empty (NOT NULL)'),
+          'method' => 'op_empty',
+          'short' => t('not empty'),
+          'values' => 0,
+        ),
+      );
+    }
+    // Add regexp support for MySQL.
+    if (Database::getConnection()->databaseType() == 'mysql') {
+      $operators += array(
+        'regular_expression' => array(
+          'title' => t('Regular expression'),
+          'short' => t('regex'),
+          'method' => 'op_regex',
+          'values' => 1,
+        ),
+      );
+    }
+
+    return $operators;
+  }
+
+  /**
+   * Build strings from the operators() for 'select' options
+   */
+  function operator_options($which = 'title') {
+    $options = array();
+    foreach ($this->operators() as $id => $info) {
+      $options[$id] = $info[$which];
+    }
+
+    return $options;
+  }
+
+  function admin_summary() {
+    if ($this->is_a_group()) {
+      return t('grouped');
+    }
+    if (!empty($this->options['exposed'])) {
+      return t('exposed');
+    }
+
+    $options = $this->operator_options('short');
+    $output = '';
+    if (!empty($options[$this->operator])) {
+      $output = check_plain($options[$this->operator]);
+    }
+    if (in_array($this->operator, $this->operator_values(1))) {
+      $output .= ' ' . check_plain($this->value);
+    }
+    return $output;
+  }
+
+  function operator_values($values = 1) {
+    $options = array();
+    foreach ($this->operators() as $id => $info) {
+      if (isset($info['values']) && $info['values'] == $values) {
+        $options[] = $id;
+      }
+    }
+
+    return $options;
+  }
+
+  /**
+   * Provide a simple textfield for equality
+   */
+  function value_form(&$form, &$form_state) {
+    // We have to make some choices when creating this as an exposed
+    // filter form. For example, if the operator is locked and thus
+    // not rendered, we can't render dependencies; instead we only
+    // render the form items we need.
+    $which = 'all';
+    if (!empty($form['operator'])) {
+      $source = ($form['operator']['#type'] == 'radios') ? 'radio:options[operator]' : 'edit-options-operator';
+    }
+    if (!empty($form_state['exposed'])) {
+      $identifier = $this->options['expose']['identifier'];
+
+      if (empty($this->options['expose']['use_operator']) || empty($this->options['expose']['operator_id'])) {
+        // exposed and locked.
+        $which = in_array($this->operator, $this->operator_values(1)) ? 'value' : 'none';
+      }
+      else {
+        $source = 'edit-' . drupal_html_id($this->options['expose']['operator_id']);
+      }
+    }
+
+    if ($which == 'all' || $which == 'value') {
+      $form['value'] = array(
+        '#type' => 'textfield',
+        '#title' => t('Value'),
+        '#size' => 30,
+        '#default_value' => $this->value,
+      );
+      if (!empty($form_state['exposed']) && !isset($form_state['input'][$identifier])) {
+        $form_state['input'][$identifier] = $this->value;
+      }
+
+      if ($which == 'all') {
+        $form['value'] += array(
+          '#dependency' => array($source => $this->operator_values(1)),
+        );
+      }
+    }
+
+    if (!isset($form['value'])) {
+      // Ensure there is something in the 'value'.
+      $form['value'] = array(
+        '#type' => 'value',
+        '#value' => NULL
+      );
+    }
+  }
+
+  function operator() {
+    return $this->operator == '=' ? 'LIKE' : 'NOT LIKE';
+  }
+
+  /**
+   * Add this filter to the query.
+   *
+   * Due to the nature of fapi, the value and the operator have an unintended
+   * level of indirection. You will find them in $this->operator
+   * and $this->value respectively.
+   */
+  function query() {
+    $this->ensure_my_table();
+    $field = $this->real_field;
+
+    $info = $this->operators();
+    if (!empty($info[$this->operator]['method'])) {
+      $this->{$info[$this->operator]['method']}($field);
+    }
+  }
+
+  function op_equal($field) {
+    $this->query->add_where($this->options['group'], $field, $this->value, $this->operator());
+  }
+
+  function op_contains($field) {
+    $this->query->add_where($this->options['group'], $field, '%' . db_like($this->value) . '%', 'LIKE');
+  }
+
+  function op_word($field) {
+    $where = $this->operator == 'word' ? db_or() : db_and();
+
+    // Don't filter on empty strings.
+    if (empty($this->value)) {
+      return;
+    }
+
+    preg_match_all('/ (-?)("[^"]+"|[^" ]+)/i', ' ' . $this->value, $matches, PREG_SET_ORDER);
+    foreach ($matches as $match) {
+      $phrase = false;
+      // Strip off phrase quotes
+      if ($match[2]{0} == '"') {
+        $match[2] = substr($match[2], 1, -1);
+        $phrase = true;
+      }
+      $words = trim($match[2], ',?!();:-');
+      $words = $phrase ? array($words) : preg_split('/ /', $words, -1, PREG_SPLIT_NO_EMPTY);
+      foreach ($words as $word) {
+        $placeholder = $this->placeholder();
+        $where->condition($field, '%' . db_like(trim($word, " ,!?")) . '%', 'LIKE');
+      }
+    }
+
+    if (!$where) {
+      return;
+    }
+
+    // previously this was a call_user_func_array but that's unnecessary
+    // as views will unpack an array that is a single arg.
+    $this->query->add_where($this->options['group'], $where);
+  }
+
+  function op_starts($field) {
+    $this->query->add_where($this->options['group'], $field, db_like($this->value) . '%', 'LIKE');
+  }
+
+  function op_not_starts($field) {
+    $this->query->add_where($this->options['group'], $field, db_like($this->value) . '%', 'NOT LIKE');
+  }
+
+  function op_ends($field) {
+    $this->query->add_where($this->options['group'], $field, '%' . db_like($this->value), 'LIKE');
+  }
+
+  function op_not_ends($field) {
+    $this->query->add_where($this->options['group'], $field, '%' . db_like($this->value), 'NOT LIKE');
+  }
+
+  function op_not($field) {
+    $this->query->add_where($this->options['group'], $field, '%' . db_like($this->value) . '%', 'NOT LIKE');
+  }
+
+  function op_shorter($field) {
+    $placeholder = $this->placeholder();
+    $this->query->add_where_expression($this->options['group'], "LENGTH($field) < $placeholder", array($placeholder => $this->value));
+  }
+
+  function op_longer($field) {
+    $placeholder = $this->placeholder();
+    $this->query->add_where_expression($this->options['group'], "LENGTH($field) > $placeholder", array($placeholder => $this->value));
+  }
+
+  function op_regex($field) {
+    $this->query->add_where($this->options['group'], $field, $this->value, 'RLIKE');
+  }
+
+  function op_empty($field) {
+    if ($this->operator == 'empty') {
+      $operator = "IS NULL";
+    }
+    else {
+      $operator = "IS NOT NULL";
+    }
+
+    $this->query->add_where($this->options['group'], $field, NULL, $operator);
+  }
+
+}