NewQuestionAttributes

 Hint: This features is available starting in version 2.50

The event

When

This event happens each time the attribute definition is read for the installation. In general it happens one time only.

Input

None.

Possible output

• Adding new attribute : $this->getEvent()->append('questionAttributes', $array); where arry is the new attribute.

Detail on definition

New attribute definition

It's an array:

attributeName=>[
    'types' : Apply to this question type
    'category' : Where to put it
    'sortorder' : Sort order in this category
    'inputtype' : type of input : [buttongroup,columns,integer,float,singleselect,switch,text,textarea]
    'options' : optionnal options if input type need it (for singleselect and buttongroup)
    'default' : the default value
    'i18n' : (optionnal) set to true for translatable attribute
    'caption' : the label
    'help' : an help
    'min' : (optionnal) use for integer or float type for min value to be set
    'max' : (optionnal) use for integer or float type for max value to be set
]

Input type

• switch - Switch (on|off) value send 0 or 1
• buttongroup - Button group, need options array
• singleselect - Single select in a DropDown
• text - Short text without line feed
• integer - Integer value
• float - Float value
• columns - Integer value between 1 to 12 (can be empty)
• textarea - Text with line feed

Usage example

<?php
class addAnAttribute extends PluginBase
{
    protected $storage = 'DbStorage';

    static protected $name = 'addAnAttribute';
    static protected $description = 'Add an attribute for any question';
    public function init()
    {
        $this->subscribe('newQuestionAttributes');
        $this->subscribe('beforeQuestionRender');
    }
    /**
   * We add the attribute here
   */
    public function newQuestionAttributes()
    {
        $event = $this->getEvent();
        $questionAttributes = array(
            'exampleOne'=>array(
                "types"=>"STU",
                'category'=>gT('Other'),
                'sortorder'=>1,
                'inputtype'=>'text',
                'default'=>'',
                "help"=>'An example for short, long and huge text.',
                "caption"=>'A text attribute'
            ),
            'exampleTwo'=>array(
                "types"=>"L",
                'category'=>gT('Other'),
                'sortorder'=>2,
                'inputtype'=>'singleselect',
                'options'=>array(
                    0=>gT('No'),
                    1=>gT('No'),
                ),
                'default'=>0,
                "help"=>'An example for singleselect.',
                "caption"=>'A dropdown attribute'
            ),
        );
        $event->append('questionAttributes', $questionAttributes);
    }

   /**
  * We can use the attribute like this, for example
  */
    public function beforeQuestionRender()
    {
        $oAttributeOne=QuestionAttribute::model()->find("qid=:qid AND attribute=:attribute",array(":qid"=>$this->getEvent()->get('qid'),":attribute"=>"exampleOne"));
        $oAttributeTwo=QuestionAttribute::model()->find("qid=:qid AND attribute=:attribute",array(":qid"=>$this->getEvent()->get('qid'),":attribute"=>"exampleTwo"));
        /* OR */
        $aAttributes=QuestionAttribute::model()->getQuestionAttributes($this->getEvent()->get('qid'));
        $soAttributeOne=$aAttributes["exampleOne"];
        $soAttributeTwo=$aAttributes["exampleTwo"];
        /**
         * Do something
         */

    }
}