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@@ -0,0 +1,111 @@
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<?php
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/**
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* Handler for menu weight field of menu_link module
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*/
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class menu_link_handler_sort_weight extends views_handler_sort {
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function option_definition() {
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$options = parent::option_definition();
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$options['lowest'] = array('default' => 1);
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$options['highest'] = array('default' => 3);
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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, $form_state);
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$level_vals = array();
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for ($i = 1; $i < 10; $i++) {
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$level_vals[$i] = $i;
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}
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$form['lowest'] = array(
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'#type' => 'select',
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'#options' => $level_vals,
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'#default_value' => isset($this->options['lowest']) ? $this->options['lowest'] : 1,
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'#title' => t('Start level'),
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'#description' => t('This tells the sort handler from which value the sort will begin.'),
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);
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$form['highest'] = array(
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'#type' => 'select',
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'#options' => $level_vals,
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'#default_value' => isset($this->options['highest']) ? $this->options['highest'] : 3,
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'#title' => t('End level'),
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'#description' => t('Set the deepest / highest level the sort will attempt to sort'),
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);
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}
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function options_validate(&$form, &$form_state) {
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parent::options_validate($form, $form_state);
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$vals = $form_state['values']['options'];
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// the lowest limit has to be bigger than the selected highest
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if ($vals['lowest'] < $this->vals['highest']) {
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form_set_error('lowest', 'The lowest level has to be bigger than the highest value');
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}
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}
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/**
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* Called to add additional OrderBy statements to the query.
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*/
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function query() {
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$this->ensure_my_table();
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$params = array(
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'function' => $this->options['group_type'],
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);
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$highest = $this->options['highest'];
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$join = new views_join();
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$join->definition = array(
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'left_field' => 'menu_link_mlid',
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'field' => 'mlid',
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'table' => 'menu_links',
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'left_table' => 'field_data_menu_link',
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);
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$join->table = 'menu_links';
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$join->left_table = 'field_data_menu_link';
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$join->left_field = 'menu_link_mlid';
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$join->field = 'mlid';
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$join->type = 'LEFT';
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$this->query->add_relationship('menu_links', $join, 'menu_links');
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$this->query->add_table('menu_links', 'menu_links', $join);
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$from = 1;
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if (isset($this->options['lowest']) && ($this->options['lowest'] > 0)) {
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$from = $this->options['lowest'];
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}
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for ($i = $from; $i <= $highest; $i++) {
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$index = $i;
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$addjoin = new views_join();
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$addjoin->definition = array(
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'left_field' => 'p' .$index,
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'field' => 'mlid',
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'table' => 'menu_links',
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'left_table' => 'menu_links',
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);
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$addjoin->table = 'menu_links';
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$addjoin->left_table = 'menu_links';
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$addjoin->left_field = 'p' .$index;
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$addjoin->field = 'mlid';
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$addjoin->type = 'LEFT';
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$alias = 'nml_p' .$index;
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$this->query->add_relationship('nml_p' .$index, $addjoin, 'nml_p' .$index);
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$this->query->add_table('menu_links', $alias, $addjoin);
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$this->query->add_orderby(NULL, $alias . '.weight', $this->options['order'], NULL, $params);
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}
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}
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function ui_name($short = FALSE) {
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return $this->get_field(parent::ui_name($short));
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}
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}
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