[65dadeb] | 1 | <?php |
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| 2 | |
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| 3 | /** |
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| 4 | * Exposed form plugin that provides basic exposed form |
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| 5 | */ |
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| 6 | class views_plugin_exposed_form_input_required extends views_plugin_exposed_form { |
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| 7 | |
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| 8 | function summary_title() { |
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| 9 | return t('Input required'); |
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| 10 | } |
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| 11 | |
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| 12 | function option_definition() { |
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| 13 | $options = parent::option_definition(); |
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| 14 | |
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| 15 | $options['text_input_required'] = array('default' => t('Select any filter and click on Apply to see results'), 'translatable' => TRUE); |
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| 16 | $options['text_input_required_format'] = array('default' => FILTER_FORMAT_DEFAULT); |
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| 17 | return $options; |
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| 18 | } |
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| 19 | |
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| 20 | function options_form(&$form, &$form_state) { |
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| 21 | parent::options_form($form, $form_state); |
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| 22 | |
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| 23 | $form['text_input_required'] = array( |
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| 24 | '#type' => 'textarea', |
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| 25 | '#title' => t('Text on demand'), |
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| 26 | '#description' => t('Text to display instead of results until the user selects and applies an exposed filter.'), |
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| 27 | '#default_value' => $this->options['text_input_required'], |
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| 28 | ); |
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| 29 | |
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| 30 | $form['text_input_required_format'] = filter_form($this->options['text_input_required_format'], NULL, array('text_input_required_format')); |
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| 31 | } |
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| 32 | |
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| 33 | function options_submit($form, &$form_state) { |
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| 34 | $form_state['values']['exposed_form_options']['text_input_required_format'] = $form_state['values']['text_input_required_format']; |
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| 35 | |
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| 36 | parent::options_submit($form, $form_state); |
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| 37 | } |
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| 38 | |
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| 39 | function exposed_filter_applied() { |
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| 40 | static $cache = NULL; |
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| 41 | if (!isset($cache)) { |
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| 42 | $view = $this->view; |
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| 43 | if (is_array($view->filter) && count($view->filter)) { |
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| 44 | foreach ($view->filter as $filter_id => $filter) { |
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| 45 | if ($filter->is_exposed()) { |
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| 46 | $identifier = $filter->options['expose']['identifier']; |
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| 47 | if (isset($view->exposed_input[$identifier])) { |
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| 48 | $cache = TRUE; |
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| 49 | return $cache; |
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| 50 | } |
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| 51 | } |
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| 52 | } |
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| 53 | } |
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| 54 | $cache = FALSE; |
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| 55 | } |
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| 56 | |
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| 57 | return $cache; |
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| 58 | } |
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| 59 | |
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| 60 | function pre_render(&$values) { |
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| 61 | if (!$this->exposed_filter_applied()) { |
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| 62 | $options = array( |
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| 63 | 'id' => 'area', |
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| 64 | 'table' => 'views', |
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| 65 | 'field' => 'area', |
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| 66 | 'label' => '', |
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| 67 | 'relationship' => 'none', |
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| 68 | 'group_type' => 'group', |
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| 69 | 'content' => $this->options['text_input_required'], |
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| 70 | 'format' => $this->options['text_input_required_format'], |
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| 71 | ); |
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| 72 | $handler = views_get_handler('views', 'area', 'area'); |
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| 73 | $handler->init($this->view, $options); |
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| 74 | $this->display->handler->handlers['empty'] = array( |
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| 75 | 'area' => $handler, |
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| 76 | ); |
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| 77 | $this->display->handler->set_option('empty', array('text' => $options)); |
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| 78 | } |
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| 79 | } |
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| 80 | |
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| 81 | function query() { |
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| 82 | if (!$this->exposed_filter_applied()) { |
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| 83 | // We return with no query; this will force the empty text. |
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| 84 | $this->view->built = TRUE; |
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| 85 | $this->view->executed = TRUE; |
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| 86 | $this->view->result = array(); |
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| 87 | } |
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| 88 | else { |
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| 89 | parent::query(); |
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| 90 | } |
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| 91 | } |
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| 92 | |
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| 93 | } |
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