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<?php |
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// $Id: views_plugin_exposed_form_basic.inc,v Exp $ |
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/** |
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* Exposed form plugin that provides basic exposed form |
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*/ |
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class views_plugin_exposed_form_input_required extends views_plugin_exposed_form { |
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function summary_title() { |
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return t('Input required'); |
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} |
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function option_definition() { |
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$options = parent::option_definition(); |
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$options['text_input_required'] = array('default' => t('Select any filter and click on Apply to see results'), 'translatable' => TRUE); |
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$options['text_input_required_format'] = array('default' => FILTER_FORMAT_DEFAULT); |
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return $options; |
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} |
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function options_form(&$form, &$form_state) { |
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parent::options_form($form, $form_state); |
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$form['text_input_required'] = array( |
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'#type' => 'textarea', |
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'#title' => t('Text on demand'), |
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'#description' => t('Text to display instead results until user select and apply an expose filter.'), |
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'#default_value' => $this->options['text_input_required'], |
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); |
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$form['text_input_required_format'] = filter_form($this->options['text_input_required_format'], NULL, array('text_input_required_format')); |
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} |
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function options_submit(&$form, &$form_state) { |
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$form_state['values']['exposed_form_options']['text_input_required_format'] = $form_state['values']['text_input_required_format']; |
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parent::options_submit($form, $form_state); |
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} |
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function exposed_filter_applied() { |
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static $cache = NULL; |
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if (!isset($cache)) { |
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$view = $this->view; |
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$exposed_data = $view->exposed_data; |
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if (is_array($view->filter) && count($view->filter)) { |
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foreach ($view->filter as $filter_id => $filter) { |
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if ($filter->is_exposed()) { |
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$identifier = $filter->options['expose']['identifier']; |
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if (isset($view->exposed_input[$identifier])) { |
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$cache = TRUE; |
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return $cache; |
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} |
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} |
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} |
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} |
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$cache = FALSE; |
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} |
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return $cache; |
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} |
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function pre_render() { |
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if (!$this->exposed_filter_applied()) { |
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$this->view->display_handler->set_option('empty', $this->options['text_input_required']); |
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$this->view->display_handler->set_option('empty_format', $this->options['text_input_required_format']); |
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} |
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} |
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function query() { |
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if (!$this->exposed_filter_applied()) { |
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// We return with no query; this will force the empty text. |
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$this->view->built = TRUE; |
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$this->view->executed = TRUE; |
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$this->view->result = array(); |
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} |
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} |
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} |
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