class views_handler_filter_string
- 3.x handlers/views_handler_filter_string.inc views_handler_filter_string
- 2.x handlers/views_handler_filter_string.inc views_handler_filter_string
Basic textfield filter to handle string filtering commands including equality, like, not like, etc.
Hierarchy
- class \views_object
- class \views_handler
- class \views_handler_filter
- class \views_handler_filter_string
- class \views_handler_filter
- class \views_handler
Expanded class hierarchy of views_handler_filter_string
12 string references to 'views_handler_filter_string'
- aggregator_views_data in modules/
aggregator.views.inc - Implementation of hook_views_data()
- comment_views_data in modules/
comment.views.inc - hook_views_data in docs/
docs.php - Describe table structure to Views.
- locale_views_data in modules/
locale.views.inc - Implementation of hook_views_data().
- node_views_data in modules/
node.views.inc - Implementation of hook_views_data()
File
- handlers/
views_handler_filter_string.inc, line 7
View source
class views_handler_filter_string extends views_handler_filter {
// exposed filter options
var $no_single = TRUE;
var $no_optional = TRUE;
function option_definition() {
$options = parent::option_definition();
$options['expose']['contains']['optional'] = array('default' => FALSE);
$options['case'] = array('default' => 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() {
$operators = array(
'=' => array(
'title' => t('Is equal to'),
'short' => t('='),
'method' => 'op_equal',
'values' => 1,
),
'!=' => array(
'title' => t('Is not equal to'),
'short' => t('!='),
'method' => 'op_equal',
'values' => 1,
),
'contains' => array(
'title' => t('Contains'),
'short' => t('contains'),
'method' => 'op_contains',
'values' => 1,
),
'word' => array(
'title' => t('Contains any word'),
'short' => t('has word'),
'method' => 'op_word',
'values' => 1,
),
'allwords' => array(
'title' => t('Contains all words'),
'short' => t('has all'),
'method' => 'op_word',
'values' => 1,
),
'starts' => array(
'title' => t('Starts with'),
'short' => t('begins'),
'method' => 'op_starts',
'values' => 1,
),
'not_starts' => array(
'title' => t('Does not start with'),
'short' => t('not_begins'),
'method' => 'op_not_starts',
'values' => 1,
),
'ends' => array(
'title' => t('Ends with'),
'short' => t('ends'),
'method' => 'op_ends',
'values' => 1,
),
'not_ends' => array(
'title' => t('Does not end with'),
'short' => t('not_ends'),
'method' => 'op_not_ends',
'values' => 1,
),
'not' => array(
'title' => t('Does not contain'),
'short' => t('!has'),
'method' => 'op_not',
'values' => 1,
),
);
// if the definition allows for the empty operator, add it.
if (!empty($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,
),
);
}
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 $options;
}
function admin_summary() {
if (!empty($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(1))) {
$output .= ' ' . check_plain($this->value);
}
return $output;
}
function options_form(&$form, &$form_state) {
parent::options_form($form, $form_state);
$form['case'] = array(
'#type' => 'checkbox',
'#title' => t('Case sensitive'),
'#default_value' => $this->options['case'],
'#description' => t('Case sensitive filters may be faster. MySQL might ignore case sensitivity.'),
);
}
function operator_values($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'])) {
// exposed and locked.
$which = in_array($this->operator, $this->operator_values(1)) ? 'value' : 'none';
}
else {
$source = 'edit-' . form_clean_id($this->options['expose']['operator']);
}
}
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') {
$form['value'] += array(
'#process' => array('views_process_dependency'),
'#dependency' => array($source => $this->operator_values(1)),
);
}
}
if (!isset($form['value'])) {
// Ensure there is something in the 'value'.
$form['value'] = array(
'#type' => 'value',
'#value' => NULL
);
}
}
function case_transform() {
return !empty($this->options['case']) ? '' : 'UPPER';
}
/**
* 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->table_alias.$this->real_field";
$upper = $this->case_transform();
$info = $this->operators();
if (!empty($info[$this->operator]['method'])) {
$this->{$info[$this->operator]['method']}($field, $upper);
}
}
function op_equal($field, $upper) {
// operator is either = or !=
$this->query->add_where($this->options['group'], "$upper($field) $this->operator $upper('%s')", $this->value);
}
function op_contains($field, $upper) {
$this->query->add_where($this->options['group'], "$upper($field) LIKE $upper('%%%s%%')", $this->value);
}
function op_word($field, $upper) {
$where = array();
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) {
$where[] = "$upper($field) LIKE $upper('%%%s%%')";
$values[] = trim($word, " ,!?");
}
}
if (!$where) {
return;
}
if ($this->operator == 'word') {
$where = '(' . implode(' OR ', $where) . ')';
}
else {
$where = implode(' AND ', $where);
}
// 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, $values);
}
function op_starts($field, $upper) {
$this->query->add_where($this->options['group'], "$upper($field) LIKE $upper('%s%%')", $this->value);
}
function op_not_starts($field, $upper) {
$this->query->add_where($this->options['group'], "$upper($field) NOT LIKE $upper('%s%%')", $this->value);
}
function op_ends($field, $upper) {
$this->query->add_where($this->options['group'], "$upper($field) LIKE $upper('%%%s')", $this->value);
}
function op_not_ends($field, $upper) {
$this->query->add_where($this->options['group'], "$upper($field) NOT LIKE $upper('%%%s')", $this->value);
}
function op_not($field, $upper) {
$this->query->add_where($this->options['group'], "$upper($field) NOT LIKE $upper('%%%s%%')", $this->value);
}
function op_empty($field) {
if ($this->operator == 'empty') {
$operator = "IS NULL";
}
else {
$operator = "IS NOT NULL";
}
$this->query->add_where($this->options['group'], "$field $operator");
}
}
Members
Name | Modifiers | Type | Description |
---|---|---|---|
views_handler:: |
function | Check whether current user has access to this handler. | |
views_handler:: |
function | Determine if the handler is considered 'broken', meaning it's a a placeholder used when a handler can't be found. | |
views_handler:: |
function | Ensure the main table for this handler is in the query. This is used a lot. | |
views_handler:: |
function | Submit the exposed filter form | |
views_handler:: |
function | Validate the exposed filter form | |
views_handler:: |
function | Provide defaults for the handler. | |
views_handler:: |
function | Provide a form for setting options. | |
views_handler:: |
function | Perform any necessary changes to the form values prior to storage. There is no need for this function to actually store the data. | |
views_handler:: |
function | Validate the options form. | |
views_handler:: |
function | Get the join object that should be used for this handler. | |
views_handler:: |
function | If a handler has 'extra options' it will get a little settings widget and another form called extra_options. | |
views_handler:: |
function | Determine if this item is 'exposed', meaning it provides form elements to let users modify the view. | |
views_handler:: |
function | Determine if the argument needs a style plugin. | |
views_handler:: |
function | Run before the view is built. | |
views_handler:: |
function | Called just prior to query(), this lets a handler set up any relationship it needs. | |
views_handler:: |
function | Return a string representing this handler's name in the UI. | |
views_handler:: |
function | Validates the handler against the complete View. | |
views_handler_filter:: |
function |
Check to see if input from the exposed filters should change
the behavior of this filter. Overrides views_handler:: |
|
views_handler_filter:: |
function |
Determine if a filter can be exposed. Overrides views_handler:: |
|
views_handler_filter:: |
function |
Render our chunk of the exposed filter form when selecting Overrides views_handler:: |
|
views_handler_filter:: |
function |
Tell the renderer about our exposed form. This only needs to be
overridden for particularly complex forms. And maybe not even then. Overrides views_handler:: |
|
views_handler_filter:: |
function | Make some translations to a form item to make it more suitable to exposing. | |
views_handler_filter:: |
function | Overridable form for exposed filter options. | |
views_handler_filter:: |
function | Handle the 'left' side fo the exposed options form. | |
views_handler_filter:: |
function | Handle the 'right' side fo the exposed options form. | |
views_handler_filter:: |
function |
Provide default options for exposed filters. Overrides views_handler:: |
|
views_handler_filter:: |
function | Perform any necessary changes to the form exposes prior to storage. There is no need for this function to actually store the data. | |
views_handler_filter:: |
function | Validate the options form. | |
views_handler_filter:: |
function |
Provide some extra help to get the operator/value easier to use. Overrides views_handler:: |
|
views_handler_filter:: |
function | Provide a form for setting the operator. | |
views_handler_filter:: |
function | Perform any necessary changes to the form values prior to storage. There is no need for this function to actually store the data. | |
views_handler_filter:: |
function | Validate the operator form. | |
views_handler_filter:: |
function |
Simple submit handler Overrides views_handler:: |
|
views_handler_filter:: |
function |
Simple validate handler Overrides views_handler:: |
|
views_handler_filter:: |
function | Shortcut to display the expose/hide button. | |
views_handler_filter:: |
function | Shortcut to display the exposed options form. | |
views_handler_filter:: |
function | Shortcut to display the operator form. | |
views_handler_filter:: |
function | Shortcut to display the value form. | |
views_handler_filter:: |
function |
If set to remember exposed input in the session, store it there. Overrides views_handler:: |
|
views_handler_filter:: |
function | Perform any necessary changes to the form values prior to storage. There is no need for this function to actually store the data. | |
views_handler_filter:: |
function | Validate the options form. | |
views_handler_filter_string:: |
function |
Display the filter on the administrative summary Overrides views_handler_filter:: |
|
views_handler_filter_string:: |
function | ||
views_handler_filter_string:: |
function | 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. | |
views_handler_filter_string:: |
function |
Build strings from the operators() for 'select' options Overrides views_handler_filter:: |
|
views_handler_filter_string:: |
function | ||
views_handler_filter_string:: |
function |
Provide the basic form which calls through to subforms.
If overridden, it is best to call through to the parent,
or to at least make sure all of the functions in this form
are called. Overrides views_handler_filter:: |
|
views_handler_filter_string:: |
function |
Information about options for all kinds of purposes will be held here. Overrides views_handler_filter:: |
|
views_handler_filter_string:: |
function | ||
views_handler_filter_string:: |
function | ||
views_handler_filter_string:: |
function | ||
views_handler_filter_string:: |
function | ||
views_handler_filter_string:: |
function | ||
views_handler_filter_string:: |
function | ||
views_handler_filter_string:: |
function | ||
views_handler_filter_string:: |
function | ||
views_handler_filter_string:: |
function | ||
views_handler_filter_string:: |
function |
Add this filter to the query. Overrides views_handler_filter:: |
|
views_handler_filter_string:: |
function |
Provide a simple textfield for equality Overrides views_handler_filter:: |
|
views_object:: |
function | Views handlers use a special construct function so that we can more easily construct them with variable arguments. | |
views_object:: |
function | ||
views_object:: |
function | Set default options on this object. Called by the constructor in a complex chain to deal with backward compatibility. | |
views_object:: |
function | Set default options. For backward compatibility, it sends the options array; this is a feature that will likely disappear at some point. | |
views_object:: |
function | Let the handler know what its full definition is. | |
views_object:: |
function | Unpack options over our existing defaults, drilling down into arrays so that defaults don't get totally blown away. | |
views_object:: |
function |