connectable_field_renderers.inc

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<?php
Fakoli::usingFeature("field_renderers");
 
class ConnectableTableFieldRenderer extends FieldRenderer
{
     var $table;
     
     var $field;
     var $label;
     
     var $targetClass;
     var $target;
               
     var $colspan = 2;
     var $related;
 
     function __construct($form, $field, $label, $targetClass)
     {
          $this->FieldRenderer($form);
 
          $this->field = $field;
          $this->label = $label;
          $this->targetClass = $targetClass;
 
          $this->target = new $targetClass;
          
          $this->parent->add($this);    
          
          $items = ConnectableManager::getConnectedItems($this->parent->data, $this->targetClass);
          $this->related = reindexList($items, $this->target->getPrimaryKey());
          $this->buildTable();
     }
 
     function buildTable()
     {
          $this->table = new DataListView(null, "connectables");
          $this->table->rowId = true;
          
          $this->table->pageSize = 5;
          $this->table->filter = true;
          $this->table->emptyMessage = "There are no ".$this->target->prettifyClassName(true)." to select from";
 
          $this->table->selectable = true;
          $this->table->selector(array($this, 'formatCheckbox'));
          
          $this->target->populateSelectionTable($this->table);
          
     }
     
     function formatCheckbox($item)
     {
          $pk = $item->getPrimaryKey();
          $pkval = $item->get($pk);
          
          $checked = array_key_exists($pkval, $this->related) ? " checked='checked'" : "";
          
          return $item->format("<input type='checkbox' class='checkbox' name='{$pk}[]' id='{$pk}_{{$pk}}' value='{{$pk}}'{$checked}/>");
     }
     
     function renderScript()
     {
          echo $this->table->writeScript();
     }
     
     function renderField($field)
     {
          echo $this->table->drawView();
     }
     
     function postProcess($field = "")
     {
          if (!$field) $field = $this->field;
     
          ConnectableManager::removeConnections($this->parent->data, $this->targetClass);
          
          $ids = $_POST[$this->target->getPrimaryKey()];
          
          foreach($ids as $id)
          {
               $target = new $this->target;
               $target->load($id);
               ConnectableManager::addConnection($this->parent->data, $target);
          }
          
          return true;
     }
}?>