TRUE,
'#process' => array('colorpicker_textfield_process'),
'#element_validate' => array('colorpicker_textfield_validate')
);
return $type;
}
/**
* Register our theme functions
*/
function colorpicker_theme() {
return array(
'colorpicker_textfield' => array(
'arguments' => array('element' => NULL)
)
);
}
/**
* Format our colorpicker textfield.
*
* @param $element
* An associative array containing the properties of the element.
* Properties used: title, value, description, required, attributes
* @return
* A themed HTML string representing the textfield.
*/
function theme_colorpicker_textfield($element) {
$path = drupal_get_path('module', 'colorpicker');
// Add Farbtastic color picker
drupal_add_css('misc/farbtastic/farbtastic.css');
drupal_add_js('misc/farbtastic/farbtastic.js');
// Add our custom js and css for our colorpicker
drupal_add_js("$path/js/colorpicker.js");
drupal_add_css("$path/css/colorpicker.css");
if (isset($element['#field_prefix'])) {
$output[] = ''. $element['#field_prefix'] .' ';
}
// Add the required classname to the input element
$class = array('colorpicker_textfield','uniform-processed');
_form_set_class($element, $class);
$output[] = '';
if (isset($element['#field_suffix'])) {
$output[] = ' '. $element['#field_suffix'] .'';
}
// Add a wrapper div. Only when if Javascript is enabled, a button is added inside this wrapper.
// If the button is clicked, the colorpicker will be added to this wrapper too.
$output[] = '';
return theme('form_element', $element, join("\n", $output));
}
/**
* Preprocess color fields to scrub for bad values
*/
function colorpicker_textfield_process($element, $edit, &$form_state, $complete_form) {
if ($element['#value'] == '#') {
$element['#value'] = '';
}
return $element;
}
/**
* Check to make sure the user has entered a valid 3 or 6 digit hex color.
*/
function colorpicker_textfield_validate($element, &$form_values) {
if (!preg_match('/^(#(?:(?:[a-f\d]{3}){0,2}))?$/i', $element['#value'])) {
form_error($element, "'". check_plain($element['#value']) ."'". t(' is not a valid hex color'));
}
}
function colorpicker_2_or_later() { }