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<?php
class FormFieldMultipleCheckbox extends AbstractFormField
{
private $available_options;
public function __construct($id, $label, array $selected_options, array $available_options, array $field_options = array(), array $constraints = array())
{
parent::__construct($id, $label, null, $field_options, $constraints);
$this->set_css_form_field_class('form-field-multiple-checkbox');
$this->available_options = $available_options;
$this->set_selected_options($selected_options);
}
private function set_selected_options(array $selected_options)
{
$value = array();
foreach ($selected_options as $option)
{
if (is_string($option))
{
$value[] = $this->get_option($option);
}
else if ($option instanceof FormFieldMultipleCheckboxOption)
{
$value[] = $option;
}
else
{
throw new FormBuilderException('option ' . $option . ' isn\'t recognized');
}
}
$this->set_value($value);
}
private function get_option($identifier)
{
foreach ($this->available_options as $option)
{
if ($option->get_id() == $identifier || $option->get_label() == $identifier)
{
return $option;
}
}
return null;
}
public function display()
{
$template = $this->get_template_to_use();
$this->assign_common_template_variables($template);
$template->assign_block_vars('fieldelements', array(
'ELEMENT' => $this->generate_html_code()->render()
));
$template->put('C_HIDE_FOR_ATTRIBUTE', true);
return $template;
}
public function retrieve_value()
{
$request = AppContext::get_request();
$value = array();
foreach ($this->available_options as $option)
{
$option_id = $this->get_option_id($option);
if ($request->has_parameter($option_id))
{
if ($request->get_value($option_id) == 'on')
{
$value[] = $option;
}
}
}
$this->set_value($value);
}
private function generate_html_code()
{
$rows = array();
foreach ($this->available_options as $option)
{
$rows[] = array(
'NAME' => $option->get_label(),
'HTML_ID' => $this->get_option_id($option),
'C_CHECKED' => $this->is_selected($option)
);
}
$tpl = new FileTemplate('framework/builder/form/fieldelements/FormFieldMultipleCheckbox.tpl');
$tpl->put_all(array('choice' => $rows));
return $tpl;
}
private function get_option_id(FormFieldMultipleCheckboxOption $option)
{
return $this->get_html_id() . '_' . $option->get_id();
}
private function is_selected(FormFieldMultipleCheckboxOption $option)
{
return in_array($option, $this->get_value());
}
protected function get_default_template()
{
return new FileTemplate('framework/builder/form/FormField.tpl');
}
protected function get_js_specialization_code()
{
return 'field.getValue = function()
{
return (jQuery("#'. $this->get_html_id() .'_field input[type=checkbox]:checked").length > 0);
}
' . ($this->is_required() ? '
jQuery("#'. $this->get_html_id() .'_field input[type=checkbox]").on("click", function() {
HTMLForms.get("' . $this->get_form_id() . '").getField("'. $this->get_id() . '").enableValidationMessage();
HTMLForms.get("' . $this->get_form_id() . '").getField("'. $this->get_id() . '").liveValidate();
});' : '');
}
public function get_available_options()
{
return $this->available_options;
}
}
?>