';
// add the filters, if any
if ($filters) {
$element['#children'] .= $filters;
}
// users always seen something, regardless
$element['#children'] .= '';
if ($built) {
$element['#children'] .= $built;
}
else {
$element['#children'] .= t('No content to display. You may not make any selections at this time.');
}
$element['#children'] .= '
';
// finally, the pager, if there is one.
if ($pager) {
$element['#children'] .= '' . $pager . '
';
}
$element['#children'] .= '';
// add the standard required textualizin'
$element['#title'] .= $element['#required'] ?
' *' : '';
unset($element['#value']); // fieldsets can have values? strange....
return theme('fieldset', $element);
}
/**
* Display the nodes of a view as a form. Should only be used by the
* views_node_selector form element.
*/
function theme_views_view_form($view, $nodes, $type) {
$fields = _views_get_fields();
$props = $view->select_column_props;
$output = '';
foreach ($nodes as $node) {
$row = array();
// add the first cell as a selection element
if ($props['multiple']) {
// this form is a set of checkboxes
$element = array (
'#name' => $props['parent_name'] . '[' . $node->nid . ']',
'#id' => $props['parent_id'] . '-' . $node->nid,
'#return_value' => $node->nid,
'#parents' => $props['super_parents'],
);
if (in_array($node->nid, $props['setval'] )) {
$element['#value'] = true;
}
$form = theme('checkbox', $element);
}
else {
// this form is a set of radio buttons
$element = array (
'#name' => $props['parent_name'],
'#value' => $props['setval'],
'#return_value' => $node->nid,
'#parents' => $props['super_parents'],
);
$form = theme('radio', $element);
}
$row[] = array(
'data' => $form,
'class' => "view-field view-form-element"
);
foreach ($view->field as $field) {
if ($fields[$field['id']]['visible'] !== FALSE) {
$cell['data'] = views_theme_field('views_handle_field', $field['queryname'],
$fields, $field, $node, $view);
$cell['class'] = "view-field ". views_css_safe('view-field-'. $field['queryname']);
$row[] = $cell;
}
}
$rows[] = $row;
}
// add a column to the header to accomodate our selection column, include
// 'select all' checkbox
array_unshift($view->table_header, theme('table_select_header_cell'));
$output = theme('table', $view->table_header, $rows);
return $output;
}
/**
* Theme function for the filter form. A wrapper for the default filter form.
*/
function theme_views_form_filter_form($form) {
$output = '';
// move the 'filter_button' element over to 'submit'
// to conform to what the views theme function expects
$form['submit'] = $form['filter_button'];
unset($form['filter_button']);
$output = '';
$output .= theme('views_filters', $form);
$output .= '
';
return $output;
}
/**
* True form element expansion function. Turns the element into a view, using
* the style plugin 'form'. Can either be a single or multiple form (checkboxes
* vs. radio). See views_elements() for a complete list of the properties.
*/
function _views_form_process_element($element) {
$element['#tree'] = true;
if (!isset($element['#value']['selected']) || !is_array($element['#value'])) {
if (is_array($element['#value'])) {
foreach($element['#value'] as $key => $value) {
if (is_int($key)) {
$element['#value']['selected'][] = $value;
}
}
}
else {
$tmp = $element['#value'];
unset($element['#value']);
$element['#value']['selected'] = $tmp;
}
}
// the clone is necessary in case we're on php5 and we run on the same
// view multiple times in a single form (quite possible really)
$view = drupal_clone(views_get_view($element['#view']));
_views_form_add_title_if_empty($view);
if ($element['#multiple']) {
$item_value = is_array($element['#value']['selected']) ? $element['#value']['selected'] : array();
}
else {
$item_value = $element['#value']['selected'];
}
// add the selection field
$view->select_column_props = array (
// these next items are shoved into the field to pass to the themeing func
'multiple' => $element['#multiple'],
'setval' => $item_value,
'parent_name' => $element['#name'] . '[selected]',
'parent_id' => $element['#id'] . '-selected',
'super_parents' => array_merge($element['#parents'], array('selected')),
);
// change the view to our internal rendering plugin definition
$view->page_type = 'form';
// save the view for render time
$element['#view'] = $view;
// parse out the exposed filters
if (isset($element['#value']['filters'])) {
$element['#filters'] = views_get_filter_values($element['#value']['filters']);
}
// get the exposed filters form
if (!$element['#embedded'] && ($filter_form = _views_build_filters_form($view))) {
$filter_form['view'] = array (
'#type' => 'value',
'#value' => $view,
);
$filter_form['#theme'] = 'views_form_filter_form';
$element['filters'] = $filter_form;
$element['filters']['filter_button'] = array (
'#type' => 'button',
'#value' => t('Filter results'),
'#name' => $element['#name'] . '[filter_button]',
);
}
// if someone intentionally filtered, we return to page zero, to avoid invalid values
if ($element['#value']['filter_button']) {
$element['#value']['pager']['pages'] = 0;
}
// retrieve the total number of possible pages for this view
// reset the page to 0 if it is greater than the max possible pages
$page_data = _views_form_get_page_data($view, $element['#arguments'], $element['#filters']);
$page_opts = array();
$max = 0;
for($i = 0; $i < $page_data['pages']; ++$i) {
$page_opts[$i] = t('Page') . ' ' . ($i + 1);
$max = max($max, $i);
}
// update the page if we have a value for it
if (isset($element['#value']['pager']['pages'])) {
$element['#page'] = $element['#value']['pager']['pages'] > $max ? 0 : $element['#value']['pager']['pages'];
}
// build the view as specified in the element. just for counting
$view_nodes = _views_form_build_view_from_element($element, 'items');
// use the result of the query to build a list of possible nodes to select
$options = array();
if (!empty($view_nodes['items'])) {
foreach($view_nodes['items'] as $node) {
$options[$node->nid] = '';
}
}
// find any missing nodes (ie. things that won't be in the view)
$missing = array();
// make sure there is a selected value, or we get extra queries later
if (isset($element['#value']['selected'])) {
if (is_array($element['#value']['selected'])) {
foreach($element['#value']['selected'] as $nid) {
if (!isset($options[$nid]) && $nid) {
$missing[$nid] = true;
}
}
}
else if (!isset($options[$element['#value']['selected']])) {
$missing[$element['#value']['selected']] = true;
}
}
if (!empty($missing)) {
$missing_view = drupal_clone($element['#view']);
// run the missing query and stash it in the $element['view']->missing
// making the already selected table
// the only filter we want is nid in missing array
$missing_view->filter = array();
$missing_view->filter[] = array (
'vid' => $missing_view->vid,
'tablename' => '',
'field' => 'node.include_exclude',
'value' => array_keys($missing),
'operator' => 'OR',
'options' => '',
'position' => 0,
'id' => 'node.include_exclude',
);
// remove some caching of queries and other data
// we do not need on the "missing" view
$missing_view->is_cacheable = false;
unset($missing_view->query);
unset($missing_view->countquery);
unset($missing_view->num_rows);
$missing_built = views_build_view('items', $missing_view);
$missing_items = $missing_built['items'];
$element['#view']->missing = $missing_items;
// add the missing nodes to the options list
foreach(array_keys($missing) as $new_opt) {
$options[$new_opt] = '';
}
}
// a set of checkboxes or radio buttons to make sure the form
// passes validation
$element['selected'] = array (
'#type' => $element['#multiple'] ? 'checkboxes' : 'radios',
'#options' => $options,
'#required' => $element['#required'],
'#title' => $element['#title'],
//'#parents' => array_merge($element['#parents'], array('selected')),
);
// form based pager
// hide on views with only 1 page or no pages, also hide if paging is turned off
if (!$element['#embedded'] && (count($page_opts) > 1) && $view->use_pager) {
$element['pager']['pages'] = array (
'#type' => 'select',
'#options' => $page_opts,
'#title' => t('Select another page'),
'#value' => $element['#page'],
);
$element['pager']['go'] = array (
'#type' => 'button',
'#value' => t('Go!'),
'#name' => $element['#name'] . '[go]',
);
}
return $element;
}
function _views_form_build_view_from_element($element, $mode = 'embed', $view = NULL, $filters = NULL) {
if (is_null($view)) {
$view = $element['#view'];
}
// clone for safety
$view = drupal_clone($view);
if (is_null($filters)) {
$filters = $element['#filters'];
}
// Remove internal pager except for embedded views
$output = views_build_view(
$mode,
$view,
$element['#arguments'],
$element['#embedded'] ? $view->use_pager : FALSE,
$view->nodes_per_page,
$element['#page'],
0,
$filters
);
if ($element['#embedded'] && $mode == 'embed') {
$output = preg_replace('(