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<?php
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// $Id: draggableviews_theme.inc,v 1.6 2008/09/21 20:36:49 sevi Exp $
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/**
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* @file
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* Theme functions.
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*/
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function template_preprocess_draggableviews_view_draggabletable(&$vars) {
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$view = $vars['view'];
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// We need the raw data for this grouping, which is passed in as $vars['rows'].
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// However, the template also needs to use for the rendered fields. We
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// therefore swap the raw data out to a new variable and reset $vars['rows']
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// so that it can get rebuilt.
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$result = $vars['rows'];
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$vars['rows'] = array();
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$options = $view->style_plugin->options;
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$handler = $view->style_plugin;
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$fields = &$view->field;
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$columns = $handler->sanitize_columns($options['columns'], $fields);
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$active = !empty($handler->active) ? $handler->active : '';
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$order = !empty($handler->order) ? $handler->order : 'asc';
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$query = tablesort_get_querystring();
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if ($query) {
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$query = '&'. $query;
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}
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foreach ($columns as $field => $column) {
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// render the header labels
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if ($field == $column && empty($fields[$field]->options['exclude'])) {
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$label = check_plain(!empty($fields[$field]) ? $fields[$field]->label() : '');
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if (empty($options['info'][$field]['sortable'])) {
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$vars['header'][$field] = $label;
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}
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else {
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// @todo -- make this a setting
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$initial = 'asc';
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if ($active == $field && $order == 'asc') {
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$initial = 'desc';
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}
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$image = theme('tablesort_indicator', $initial);
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$title = t('sort by @s', array('@s' => $label));
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$link_options = array(
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'html' => TRUE,
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'attributes' => array('title' => $title),
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'query' => 'order='. urlencode($field) .'&sort='. $initial . $query,
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);
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$vars['header'][$field] = l($label . $image, $_GET['q'], $link_options);
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}
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}
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// Create a second variable so we can easily find what fields we have and what the
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// CSS classes should be.
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$vars['fields'][$field] = views_css_safe($field);
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if ($active == $field) {
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$vars['fields'][$field] .= ' active';
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}
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// Render each field into its appropriate column.
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foreach ($result as $num => $row) {
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if (!empty($fields[$field]) && empty($fields[$field]->options['exclude'])) {
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$field_output = $fields[$field]->theme($row);
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// Don't bother with separators and stuff if the field does not show up.
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if (!isset($field_output) && isset($vars['rows'][$num][$column])) {
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continue;
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}
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// Place the field into the column, along with an optional separator.
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if (isset($vars['rows'][$num][$column])) {
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if (!empty($options['info'][$column]['separator'])) {
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$vars['rows'][$num][$column] .= filter_xss_admin($options['info'][$column]['separator']);
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}
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}
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else {
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$vars['rows'][$num][$column] = '';
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}
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$vars['rows'][$num][$column] .= $field_output;
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}
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}
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}
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$vars['class'] = 'views-table';
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if (!empty($options['sticky'])) {
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drupal_add_js('misc/tableheader.js');
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$vars['class'] .= " sticky-enabled";
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}
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/*********************
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* TABLE_DRAG OUTPUT *
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**********************/
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$error = FALSE;
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$info = _draggableviews_info($view);
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if (!isset($info['order'])) return;
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// calculate depth of all nodes.
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// If one of the parents of a node is broken,
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// the return will be FALSE
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if (!_draggableviews_calculate_depths($info)) {
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drupal_set_message(t('Draggableviews: Detected broken parents.'), 'error');
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$error = TRUE;
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}
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// Detect order collisions
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// If one order of the same depth is found
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// twice the return will be FALSE.
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if (!_draggableviews_detect_order_collisions($info)) {
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drupal_set_message(t('Draggableviews: Detected order collisions.'), 'error');
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$error = TRUE;
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}
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if ($error) {
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// on error rebuild hierarchy and return
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_draggableviews_rebuild_hierarchy($info);
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return;
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}
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// loop through all rows the view returned
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foreach ($vars['rows'] as $i => $row) {
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$nid = $result[$i]->nid;
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// Detect ordering errors
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// The nodes order value has to equal with the
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// parents order value. Otherwise the return will be FALSE.
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if (_draggableviews_check_order($nid, $info) == FALSE) {
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drupal_set_message(t('Draggableviews: Detected ordering errors.'), 'error');
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// on error rebuild hierarchy and return
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_draggableviews_rebuild_hierarchy($info);
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return;
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}
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// build indentation (as tabledrag requires)
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$indentation = theme('indentation', $info['nodes'][$nid]['depth']);
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if (user_access('Allow Reordering')) {
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// get node object
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$node = node_load(array('nid' => $nid));
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if (isset($info['types'][$node->type])) {
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// set node type specification, if available (e.g. tabledrag-root)
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$vars['tabledrag_type'][$i] = 'tabledrag-'. $info['types'][$node->type];
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}
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// Tabledrag needs all concerned fields to be input elements.
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// The values of the input elements will be changed by tabledrag while
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// dragging the rows. As we want to use these values we need to
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// give them names.
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//
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// Concerned fields are
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// *) the first order field
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// *) the parent field (if hierarchy used)
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//
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// The remaining fields are not used by tabledrag. But - depending
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// on the depth - one of them will simulate the first order field.
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// (This behavior is based on the fact that tabledrag handles each depth as it was the only one.)
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// this for loop should prevent copy->paste'ing code
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for ($modus = 'hierarchy'; $modus !== FALSE ; $modus = ($modus == 'hierarchy' ? 'order' : FALSE)) {
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if (isset($info[$modus])) {
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if ($modus == 'hierarchy') {
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$value = $info['nodes'][$nid]['parent'];
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if ($value > 0 && !isset($info['nodes'][$value])) {
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// if parent node doesn't exist rebuild hierarchy and return
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_draggableviews_rebuild_hierarchy($info);
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return;
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}
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// get the field that should be rendered
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$field = &$info['hierarchy']['field'];
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}
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else {
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// get depth of current field
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$depth = $info['nodes'][$node->nid]['depth'];
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$value = $info['nodes'][$nid]['order'][$depth];
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// get the field that should be rendered
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$field = &$info['order']['fields'][0];
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}
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// get the form element
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$form_element = $field['handler']->get_form_element($value, array('field_name' => $field['field_name'] .'_'. $nid, 'class' => $field['field_name']));
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// render new form element
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$vars['rows'][$i][$field['field_name']] = drupal_render($form_element);
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}
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}
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if (isset($info['hierarchy'])) {
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// append the node id as a hidden field. This is needed
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// because tabledrag would not know what id to assign when
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// subordinating.
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$hidden_nid = array(
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'#type' => 'hidden',
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'#name' => 'hidden_nid',
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'#value' => $nid,
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'#attributes' => array('class' => 'hidden_nid'),
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);
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// append rendered hidden node id to last rendered field
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$vars['rows'][$i][$field['field_name']] .= drupal_render($hidden_nid);
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}
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}
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if (isset($info['hierarchy'])) {
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// put indentation in front of first field
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$first_field = each($vars['rows'][$i]);
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$vars['rows'][$i][$first_field['key']] = $indentation . $vars['rows'][$i][$first_field['key']];
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}
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// Let extension modules alter the output
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foreach (module_implements('draggableviews_row_alter') as $module) {
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$function = $module . '_draggableviews_row_alter';
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$function($vars['rows'][$i], $nid, $info, $view);
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}
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}
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// output data
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$vars['tabledrag_table_id'] = 'draggableview_'. $view->name;
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if (user_access('Allow Reordering')) {
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// prepare tabledrag settings for output
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$vars['tabledrag'] = array();
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if (isset($info['order'])) {
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$vars['tabledrag'][] = array(
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'action' => 'order',
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'relationship' => 'sibling',
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'source' => $info['order']['fields'][0]['field_name'],
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'group' => $info['order']['fields'][0]['field_name'],
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'subgroup' => $info['order']['fields'][0]['field_name'],
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'hidden' => !$info['order']['visible'],
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'limit' => 0,
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);
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}
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if (isset($info['hierarchy'])) {
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$vars['tabledrag'][] = array(
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'action' => 'match',
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'relationship' => 'parent',
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'source' => 'hidden_nid',
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'group' => $info['hierarchy']['field']['field_name'],
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'subgroup' => $info['hierarchy']['field']['field_name'],
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'hidden' => !$info['hierarchy']['visible'],
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'limit' => count($info['order']['fields']) - 1,
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);
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// let javascript know about fields
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drupal_add_js(array('draggableviews' => array('parent' => $info['hierarchy']['field']['field_name'])), 'setting');
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}
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}
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}
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function template_preprocess_draggableviews_view_draggabletable_form($vars) {
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global $user;
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// get view object
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$view_obj = $vars['form']['#parameters'][2];
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// get structured info array
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$info = _draggableviews_info($view_obj->view, FALSE);
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if (user_access('Allow Reordering') && isset($info['hierarchy'])) {
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// fetch expand information from database
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$result = db_query("SELECT parent_nid, collapsed FROM {draggableviews_collapsed} WHERE uid = %d", $user->uid);
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$states = array();
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while ($state = db_fetch_object($result)) {
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$states[$state->parent_nid] = $state->collapsed;
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}
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// check if "expand" links should be shown
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if ($info['expand_links']['show']) {
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drupal_add_js(drupal_get_path('module', 'draggableviews') .'/draggableviews.js');
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if (empty($states)) {
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// let js know whether child nodes should be expanded or not
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drupal_add_js(array(
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'draggableviews' => array(
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'expand_default' => $options['tabledrag_expand']['collapsed']
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? 1 : 0,
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),
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),
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'setting');
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}
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else {
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drupal_add_js(array(
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'draggableviews' => array(
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'states' => $states,
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),
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),
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'setting');
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}
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drupal_add_css(drupal_get_path('module', 'draggableviews') .'/styles.css');
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}
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}
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//theme view
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$sets = $view_obj->render_grouping($view_obj->view->result, $options['grouping']);
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$output = '';
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foreach ($sets as $title => $records) {
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$output .= theme($view_obj->theme_functions(), $view_obj->view, $options, $records, $title);
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}
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$vars['view'] = $output;
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// render submit form
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$vars['submit_form'] = user_access('Allow Reordering') ? drupal_render($vars['form']) : '';
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}
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