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