By Icon.Inc on

Ive created a custom field type as a module using the Field API.
The field is a textfield that I then enhance with javascript to be hidden and its replaced with a custom world map where the user can drag a pin point around to mark a location (basic pixel coords - not google maps related).
It all works fine and the input's value is updated with a js array string of x/y pixel numbers ex: "[100,200]".
The problem is after submit the string is saved to the DB as "[" but the db field is a varchar(255).
I also tried making the string only numbers seperated with a comma like so "100,200" but only "1" is saved so its not an issue with the square brackets (its just a string after all) for some reason only the first chracter is saved.

Would really appreciate some advice on what could be going wrong

Cheers

⋅ Categories: Drupal 7.x

Comments

blisteringherb’s picture

blisteringherb commented

You can potentially run into this issue if you try to set a string $foo, to a value like $foo['bar'] = 'value';, so I'd check to make sure that any arrays that you're creating are properly declared before you're setting values in the array, i.e. $foo = array();. If that doesn't help, post the code.

Icon.Inc’s picture

Icon.Inc commented

Heres the .module code it may be Im missing something since I had to assemble it from various sources since no single example fully explains what each method is for:

function ubu_loc_pin_help($path, $arg)
{
	switch ($path) {
    	case "admin/help#ubu_loc_pin":
    		return '<p>'.  t("Custom UBU field to store map location data") .'</p>';
    		break;
	}
}

function ubu_loc_pin_field_info()
{
	return array(
    'ubu_loc_pin' => array(
      'label' => t('Map Pin Location'),
      'description' => t('Map Pin location coordinates relative to map image'),
      'default_widget' => 'ubu_loc_pin_widget',
      'default_formatter' => 'ubu_loc_pin_formatter',
    ),
  );
}

function ubu_loc_pin_field_widget_info()
{
	return array(
		'ubu_pin_loc' => array(
			'label' => t('Map location'),
			'field types' => array('ubu_loc_pin'),
			  'behaviors' => array(
	        	'multiple values' => FIELD_BEHAVIOR_DEFAULT, 
	        	'default value' => FIELD_BEHAVIOR_NONE,
	          ),
		),
	);
}



function ubu_loc_pin_field_formatter_info()
{
	return array(
      'ubu_loc_pin_formatter' => array(
          'label' => t('Map location formatter'),
          'description' => t('does stuff'),
		'field types' => array('ubu_loc_pin'),
		
      ),
  );
}



/*function ubu_loc_pin_field_settings_form($field, $instance, $has_data)
{
	//$settings = $field['settings'];
	
}*/

function ubu_loc_pin_field_widget_form(&$form, &$form_state, $field, $instance, $langcode, $items, $delta, $element)
{
	$element += array(
		'#type' => 'textfield',
		'#default_value' => isset($items[$delta]) ? $items[$delta] : '',
		'#suffix' => '<div class="ubu_loc_pin_field"></div>',
        '#attributes' => array('class' => array('ubu_loc_pin_field')),
        '#attached' => array(
          'js' => array(drupal_get_path('module', 'ubu_loc_pin') . '/ubu_loc_pin.js'),
	'css' => array('assets/css/map.css',drupal_get_path('module', 'ubu_loc_pin') . '/ubu_loc_pin.css'),
        ),
	);
	drupal_add_library('system', 'ui.draggable');
	return $element;
}



function ubu_loc_pin_field_is_empty($item, $field)
{
	
}

function ubu_loc_pin_field_formatter_view($obj_type, $object, $field, $instance, $langcode, $items, $display)
{
	$element = array();

	  switch ($display['type']) {
	    case 'ubu_loc_pin_formatter':
	      foreach ($items as $delta => $item) {
	      	
	           if ($item['ubu_loc_pin']) {
	                $element[$delta]['#markup'] = '<span>' . $item['ubu_loc_pin'] .'</span>';
	            }
	      }
	      break;
	  }
	  return $element;
}

The .install files schema

function ubu_loc_pin_field_schema($field)
{
	return array(
         'columns' => array(
	         'ubu_loc_pin' => array(
	            'type' => 'varchar',
	            'not null' => FALSE,
	            'length' => '100',
	            'default'  => '',
	            ),
	         ),
	     );
}