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<?php
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/**
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* @file
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* Definition of views_handler_filter_numeric.
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*/
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/**
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* Simple filter to handle greater than/less than filters
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*
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* @ingroup views_filter_handlers
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*/
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class views_handler_filter_numeric extends views_handler_filter {
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var $always_multiple = TRUE;
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function option_definition() {
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$options = parent::option_definition();
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$options['value'] = array(
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'contains' => array(
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'min' => array('default' => ''),
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'max' => array('default' => ''),
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'value' => array('default' => ''),
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),
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);
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return $options;
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}
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function operators() {
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$operators = array(
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'<' => array(
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'title' => t('Is less than'),
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'method' => 'op_simple',
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'short' => t('<'),
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'values' => 1,
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),
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'<=' => array(
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'title' => t('Is less than or equal to'),
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'method' => 'op_simple',
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'short' => t('<='),
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'values' => 1,
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),
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'=' => array(
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'title' => t('Is equal to'),
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'method' => 'op_simple',
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'short' => t('='),
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'values' => 1,
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),
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'!=' => array(
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'title' => t('Is not equal to'),
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'method' => 'op_simple',
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'short' => t('!='),
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'values' => 1,
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),
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'>=' => array(
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'title' => t('Is greater than or equal to'),
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'method' => 'op_simple',
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'short' => t('>='),
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'values' => 1,
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),
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'>' => array(
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'title' => t('Is greater than'),
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'method' => 'op_simple',
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'short' => t('>'),
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'values' => 1,
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),
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'between' => array(
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'title' => t('Is between'),
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'method' => 'op_between',
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'short' => t('between'),
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'values' => 2,
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),
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'not between' => array(
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'title' => t('Is not between'),
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'method' => 'op_between',
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'short' => t('not between'),
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'values' => 2,
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),
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);
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// if the definition allows for the empty operator, add it.
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if (!empty($this->definition['allow empty'])) {
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$operators += array(
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'empty' => array(
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'title' => t('Is empty (NULL)'),
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'method' => 'op_empty',
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'short' => t('empty'),
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'values' => 0,
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),
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'not empty' => array(
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'title' => t('Is not empty (NOT NULL)'),
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'method' => 'op_empty',
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'short' => t('not empty'),
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'values' => 0,
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),
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);
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}
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// Add regexp support for MySQL.
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if (Database::getConnection()->databaseType() == 'mysql') {
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$operators += array(
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'regular_expression' => array(
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'title' => t('Regular expression'),
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'short' => t('regex'),
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'method' => 'op_regex',
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'values' => 1,
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),
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);
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}
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return $operators;
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}
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/**
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* Provide a list of all the numeric operators
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*/
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function operator_options($which = 'title') {
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$options = array();
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foreach ($this->operators() as $id => $info) {
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$options[$id] = $info[$which];
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}
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return $options;
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}
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function operator_values($values = 1) {
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$options = array();
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foreach ($this->operators() as $id => $info) {
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if ($info['values'] == $values) {
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$options[] = $id;
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}
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}
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return $options;
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}
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/**
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* Provide a simple textfield for equality
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*/
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function value_form(&$form, &$form_state) {
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$form['value']['#tree'] = TRUE;
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// We have to make some choices when creating this as an exposed
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// filter form. For example, if the operator is locked and thus
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// not rendered, we can't render dependencies; instead we only
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// render the form items we need.
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$which = 'all';
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if (!empty($form['operator'])) {
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$source = ($form['operator']['#type'] == 'radios') ? 'radio:options[operator]' : 'edit-options-operator';
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}
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if (!empty($form_state['exposed'])) {
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$identifier = $this->options['expose']['identifier'];
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if (empty($this->options['expose']['use_operator']) || empty($this->options['expose']['operator_id'])) {
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// exposed and locked.
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$which = in_array($this->operator, $this->operator_values(2)) ? 'minmax' : 'value';
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}
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else {
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$source = 'edit-' . drupal_html_id($this->options['expose']['operator_id']);
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}
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}
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if ($which == 'all') {
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$form['value']['value'] = array(
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'#type' => 'textfield',
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'#title' => empty($form_state['exposed']) ? t('Value') : '',
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'#size' => 30,
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'#default_value' => $this->value['value'],
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'#dependency' => array($source => $this->operator_values(1)),
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);
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if (!empty($form_state['exposed']) && !isset($form_state['input'][$identifier]['value'])) {
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$form_state['input'][$identifier]['value'] = $this->value['value'];
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}
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}
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elseif ($which == 'value') {
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// When exposed we drop the value-value and just do value if
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// the operator is locked.
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$form['value'] = array(
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'#type' => 'textfield',
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'#title' => empty($form_state['exposed']) ? t('Value') : '',
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'#size' => 30,
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'#default_value' => $this->value['value'],
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);
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if (!empty($form_state['exposed']) && !isset($form_state['input'][$identifier])) {
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$form_state['input'][$identifier] = $this->value['value'];
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}
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}
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if ($which == 'all' || $which == 'minmax') {
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$form['value']['min'] = array(
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'#type' => 'textfield',
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'#title' => empty($form_state['exposed']) ? t('Min') : '',
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'#size' => 30,
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'#default_value' => $this->value['min'],
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);
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$form['value']['max'] = array(
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'#type' => 'textfield',
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'#title' => empty($form_state['exposed']) ? t('And max') : t('And'),
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'#size' => 30,
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'#default_value' => $this->value['max'],
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);
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if ($which == 'all') {
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$dependency = array(
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'#dependency' => array($source => $this->operator_values(2)),
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);
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$form['value']['min'] += $dependency;
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$form['value']['max'] += $dependency;
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}
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if (!empty($form_state['exposed']) && !isset($form_state['input'][$identifier]['min'])) {
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$form_state['input'][$identifier]['min'] = $this->value['min'];
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}
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if (!empty($form_state['exposed']) && !isset($form_state['input'][$identifier]['max'])) {
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$form_state['input'][$identifier]['max'] = $this->value['max'];
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}
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if (!isset($form['value'])) {
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// Ensure there is something in the 'value'.
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$form['value'] = array(
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'#type' => 'value',
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'#value' => NULL
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);
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}
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}
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}
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function query() {
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$this->ensure_my_table();
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$field = "$this->table_alias.$this->real_field";
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$info = $this->operators();
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if (!empty($info[$this->operator]['method'])) {
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$this->{$info[$this->operator]['method']}($field);
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}
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}
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function op_between($field) {
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if ($this->operator == 'between') {
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$this->query->add_where($this->options['group'], $field, array($this->value['min'], $this->value['max']), 'BETWEEN');
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}
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else {
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$this->query->add_where($this->options['group'], db_or()->condition($field, $this->value['min'], '<=')->condition($field, $this->value['max'], '>='));
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}
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}
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function op_simple($field) {
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$this->query->add_where($this->options['group'], $field, $this->value['value'], $this->operator);
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}
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function op_empty($field) {
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if ($this->operator == 'empty') {
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$operator = "IS NULL";
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}
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else {
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$operator = "IS NOT NULL";
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}
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$this->query->add_where($this->options['group'], $field, NULL, $operator);
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}
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function op_regex($field) {
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$this->query->add_where($this->options['group'], $field, $this->value['value'], 'RLIKE');
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}
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function admin_summary() {
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if ($this->is_a_group()) {
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return t('grouped');
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}
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if (!empty($this->options['exposed'])) {
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return t('exposed');
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}
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$options = $this->operator_options('short');
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$output = check_plain($options[$this->operator]);
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if (in_array($this->operator, $this->operator_values(2))) {
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$output .= ' ' . t('@min and @max', array('@min' => $this->value['min'], '@max' => $this->value['max']));
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}
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elseif (in_array($this->operator, $this->operator_values(1))) {
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$output .= ' ' . check_plain($this->value['value']);
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}
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return $output;
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}
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/**
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* Do some minor translation of the exposed input
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*/
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function accept_exposed_input($input) {
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if (empty($this->options['exposed'])) {
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return TRUE;
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}
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// rewrite the input value so that it's in the correct format so that
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// the parent gets the right data.
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if (!empty($this->options['expose']['identifier'])) {
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$value = &$input[$this->options['expose']['identifier']];
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if (!is_array($value)) {
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$value = array(
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'value' => $value,
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);
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}
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}
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$rc = parent::accept_exposed_input($input);
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if (empty($this->options['expose']['required'])) {
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// We have to do some of our own checking for non-required filters.
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$info = $this->operators();
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if (!empty($info[$this->operator]['values'])) {
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switch ($info[$this->operator]['values']) {
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case 1:
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if ($value['value'] === '') {
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return FALSE;
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}
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break;
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case 2:
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if ($value['min'] === '' && $value['max'] === '') {
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return FALSE;
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}
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break;
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}
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}
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}
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return $rc;
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}
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}
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