entityreference_view_widget_plugin_exposed_form.inc in Entity Reference View Widget 7
File
views/entityreference_view_widget_plugin_exposed_form.incView source
<?php
/**
* Extends the views plugin to make the exposed form work when included
* in an entityreference widget (itself included in an entity form).
* This is accomplished by using #ajax.
*/
class entityreference_view_widget_plugin_exposed_form extends views_plugin_exposed_form {
/**
* Overrides the parent render_exposed_form() method to just build the exposed
* form, but not render it.
* The output of this function will end up in $view->exposed_widgets, allowing
* it to be added to the widget.
* Unfortunately, the theme function will try to print $view->exposed_widgets,
* but the preprocess hook in the module will unset that in time.
*/
function render_exposed_form($block = FALSE) {
$form_state = array(
'view' => &$this->view,
'display' => &$this->display,
'method' => 'get',
'rerender' => TRUE,
'no_redirect' => TRUE,
'always_process' => TRUE,
'exposed_form_plugin' => $this,
);
// We must build and validate the form. One reason is that some filter
// handlers (like views_handler_filter_term_node_tid) store internal values
// at exposed_validate() - so, query results will be incorrect unless
// views_exposed_form_validate() is run.
$form = drupal_build_form('views_exposed_form', $form_state);
// Seed the defaults so that the view renders on first page load.
if (empty($this->view->exposed_data)) {
$this->view->exposed_data = $form_state['values'];
}
// Now get the actual form structure that the module needs.
$form = views_exposed_form($form, $form_state);
// Return only the needed parts of the form.
$return_form = array(
'#theme' => $form['#theme'],
'#info' => $form['#info'],
// Return a reference to the plugin, for validation / submission.
'#exposed_form_plugin' => $this,
);
foreach (element_get_visible_children($form) as $key) {
$return_form[$key] = $form[$key];
// Adjust the element's values to the exposed input used for filtering
// the view. Set #default_value since we do not return $form_state.
if (isset($form_state['input'][$key]) && isset($return_form[$key]['#default_value'])) {
$return_form[$key]['#default_value'] = $form_state['input'][$key];
}
}
return $return_form;
}
function exposed_form_alter(&$form, &$form_state) {
parent::exposed_form_alter($form, $form_state);
if (!empty($this->options['autosubmit'])) {
foreach (element_get_visible_children($form) as $key) {
// Other info will be filled-in by entityreference_view_widget_prepare_filters().
$form[$key]['#ajax'] = array(
'method' => 'replace',
'progress' => array(
'type' => 'throbber',
'message' => '',
),
);
}
}
else {
unset($form['submit']['#id']);
$form['submit']['#type'] = 'button';
$form['submit']['#ajax'] = array(
'method' => 'replace',
'progress' => array(
'type' => 'throbber',
'message' => '',
),
);
}
// The button basically doesn't work with JS on or off, without this.
$form['submit']['#name'] = 'apply';
// Don't run the default submit handlers, since all that is handled
// by the widget. (Do run validate handler; see above.)
$form['#submit'] = array();
}
}
Classes
Name | Description |
---|---|
entityreference_view_widget_plugin_exposed_form | Extends the views plugin to make the exposed form work when included in an entityreference widget (itself included in an entity form). This is accomplished by using #ajax. |