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<?php
abstract class AbstractFormField implements FormField
{
protected $id = '';
private $form_id = '';
private $fieldset_id = '';
protected $label = '';
protected $description = '';
protected $value = null;
protected $disabled = false;
protected $hidden = false;
protected $readonly = false;
protected $css_class = '';
protected $css_field_class = '';
protected $css_form_field_class = '';
protected $required = false;
protected $pattern = '';
protected $placeholder = '';
protected $validation_error_message = '';
protected $constraints = array();
protected $form_constraints = array();
protected $template = null;
protected $events = array();
protected function __construct($id, $label, $value, array $field_options = array(), array $constraints = array())
{
$this->set_id($id);
$this->set_label($label);
$this->set_value($value);
$this->compute_options($field_options);
$this->set_css_field_class($this->get_css_class());
foreach ($constraints as $constraint)
{
if (!empty($constraint))
{
$this->add_constraint($constraint);
}
}
}
public function get_id()
{
return $this->id;
}
public function set_id($id)
{
$this->id = $id;
}
public function get_form_id()
{
return $this->form_id;
}
public function set_form_id($form_id)
{
$this->form_id = $form_id;
}
public function set_fieldset_id($fieldset_id)
{
$this->fieldset_id = $fieldset_id;
}
public function get_label()
{
return $this->label;
}
public function set_label($label)
{
$this->label = $label;
}
public function get_description()
{
return $this->description;
}
public function set_description($description)
{
$this->description = $description;
}
public function get_value()
{
return $this->value;
}
public function set_value($value)
{
$this->value = $value;
}
public function is_required()
{
return $this->required;
}
public function set_required($required)
{
$this->required = $required;
}
public function validate()
{
if ($this->is_disabled())
{
return true;
}
$this->retrieve_value();
foreach ($this->constraints as $constraint)
{
if (!$constraint->validate($this))
{
$validation_error_message = $constraint->get_validation_error_message();
if (!empty($validation_error_message))
{
$this->validation_error_message = $this->get_label() . ' : ' . $validation_error_message;
}
return false;
}
}
foreach ($this->form_constraints as $constraint)
{
if (!$constraint->validate($this))
{
$validation_error_message = $constraint->get_validation_error_message();
if (!empty($validation_error_message))
{
$this->validation_error_message = $this->get_label() . ' : ' . $validation_error_message;
}
return false;
}
}
return true;
}
public function get_validation_error_message()
{
return $this->validation_error_message;
}
public function set_validation_error_message($error_message)
{
$this->validation_error_message = $error_message;
}
public function retrieve_value()
{
$request = AppContext::get_request();
if ($request->has_parameter($this->get_html_id()))
{
$this->set_value($request->get_string($this->get_html_id()));
}
}
public function get_html_id()
{
return $this->form_id . '_' . $this->get_id();
}
public function add_constraint(FormFieldConstraint $constraint)
{
$this->constraints[] = $constraint;
}
public function add_form_constraint(FormConstraint $constraint)
{
$this->form_constraints[] = $constraint;
}
public function has_constraints()
{
return (count($this->constraints) > 0 || count($this->form_constraints) > 0);
}
public function get_js_validations()
{
$validations = array();
foreach ($this->constraints as $constraint)
{
$validation = $constraint->get_js_validation($this);
if (!empty($validation))
{
$validations[] = $validation;
}
}
foreach ($this->form_constraints as $constraint)
{
$validation = $constraint->get_js_validation();
if (!empty($validation))
{
$validations[] = $validation;
}
}
return $validations;
}
public function get_onblur_validation()
{
return 'formFieldConstraintsOnblurValidation(this, Array(' .
implode(",", $this->get_js_validations()) . '));';
}
public function add_event($event, $handler)
{
$this->events[$event] = $handler;
}
protected function compute_options(array &$field_options)
{
foreach($field_options as $attribute => $value)
{
$attribute = TextHelper::strtolower($attribute);
switch ($attribute)
{
case 'description':
$this->set_description($value);
unset($field_options['description']);
break;
case 'disabled':
$this->set_disabled($value);
unset($field_options['disabled']);
break;
case 'readonly':
$this->set_readonly($value);
unset($field_options['readonly']);
break;
case 'class':
$this->set_css_class($value);
unset($field_options['class']);
break;
case 'field_class':
$this->set_css_field_class($value);
unset($field_options['field_class']);
break;
case 'form_field_class':
$this->set_css_form_field_class($value);
unset($field_options['form_field_class']);
break;
case 'events':
$this->events = $value;
unset($field_options['events']);
break;
case 'hidden':
$this->set_hidden($value);
unset($field_options['hidden']);
break;
case 'pattern':
$this->set_pattern($value);
unset($field_options['pattern']);
break;
case 'placeholder':
$this->set_placeholder($value);
unset($field_options['placeholder']);
break;
case 'required':
if (is_string($value))
{
$this->set_required(true);
$this->add_constraint(new FormFieldConstraintNotEmpty($value, $value));
}
elseif (is_bool($value) && $value === true)
{
$this->set_required(true);
$this->add_constraint(new FormFieldConstraintNotEmpty());
}
unset($field_options['required']);
break;
default :
throw new FormBuilderException('The class ' . get_class($this) . ' hasn\'t the ' . $attribute . ' attribute');
}
}
}
protected function assign_common_template_variables(Template $template)
{
$has_js_validations = false;
$js_tpl = new FileTemplate('framework/builder/form/AddFieldJS.tpl');
foreach ($this->get_related_fields() as $field)
{
$js_tpl->assign_block_vars('related_field', array(
'ID' => $field
));
$has_js_validations = true;
}
foreach ($this->events as $event => $handler)
{
$js_tpl->assign_block_vars('event_handler', array(
'EVENT' => $event,
'HANDLER' => $handler
));
$has_js_validations = true;
}
foreach ($this->get_js_validations() as $constraint)
{
$js_tpl->assign_block_vars('constraint', array(
'CONSTRAINT' => $constraint
));
$has_js_validations = true;
}
$js_tpl->put_all(array(
'C_DISABLED' => $this->is_disabled(),
'C_HAS_CONSTRAINTS' => $this->has_constraints(),
'ID' => $this->get_id(),
'HTML_ID' => $this->get_html_id(),
'JS_SPECIALIZATION_CODE' => $this->get_js_specialization_code(),
'FORM_ID' => $this->form_id,
'FIELDSET_ID' => $this->fieldset_id
));
$template->put('ADD_FIELD_JS', $js_tpl);
$description = $this->get_description();
$template->put_all(array(
'ID' => $this->get_id(),
'HTML_ID' => $this->get_html_id(),
'NAME' => $this->get_html_id(),
'LABEL' => $this->get_label(),
'DESCRIPTION' => $description,
'C_DESCRIPTION' => !empty($description),
'C_REQUIRED' => $this->is_required(),
'C_REQUIRED_AND_HAS_VALUE' => $this->is_required() && (!empty($this->value) || $this->value == '0'),
'VALUE' => $this->get_value(),
'C_HAS_CONSTRAINTS' => $this->has_constraints(),
'CSS_CLASS' => $this->get_css_class(),
'C_HAS_CSS_CLASS' => $this->get_css_class() != '',
'FIELD_CLASS' => $this->get_css_field_class(),
'C_HAS_FIELD_CLASS' => $this->get_css_field_class() != '',
'FORM_FIELD_CLASS' => $this->get_css_form_field_class(),
'C_HAS_FORM_FIELD_CLASS' => $this->get_css_form_field_class() != '',
'FORM_ID' => $this->form_id,
'FIELDSET_ID' => $this->fieldset_id,
'C_HAS_LABEL' => !empty($description) || $this->get_label() != '',
'C_DISABLED' => $this->is_disabled(),
'C_READONLY' => $this->is_readonly(),
'C_HIDDEN' => $this->is_hidden(),
'C_PATTERN' => $this->has_pattern(),
'PATTERN' => $this->pattern,
'C_PLACEHOLDER' => $this->has_placeholder(),
'PLACEHOLDER' => $this->placeholder
));
}
private function get_related_fields()
{
$related_fields = array();
foreach ($this->form_constraints as $constraint)
{
foreach ($constraint->get_related_fields() as $field)
{
if ($field->get_id() != $this->get_id() && !in_array($field->get_id(), $related_fields))
{
$related_fields[] = $field->get_id();
}
}
}
return $related_fields;
}
protected function get_css_class()
{
return $this->css_class;
}
protected function set_css_class($css_class)
{
$this->css_class = $css_class;
}
protected function get_css_field_class()
{
return $this->css_field_class;
}
protected function set_css_field_class($css_field_class)
{
$this->css_field_class = $css_field_class;
}
protected function get_css_form_field_class()
{
return $this->css_form_field_class;
}
protected function set_css_form_field_class($css_form_field_class)
{
$this->css_form_field_class = $css_form_field_class;
}
public function is_disabled()
{
return $this->disabled;
}
public function disable()
{
$this->set_disabled(true);
}
public function enable()
{
$this->set_disabled(false);
}
protected function set_disabled($disabled)
{
$this->disabled = $disabled;
}
public function is_readonly()
{
return $this->readonly;
}
public function set_readonly($readonly)
{
$this->readonly = $readonly;
}
public function is_hidden()
{
return $this->hidden;
}
public function set_hidden($hidden)
{
$this->hidden = $hidden;
}
public function has_pattern()
{
return $this->pattern;
}
public function set_pattern($pattern)
{
$this->pattern = $pattern;
}
public function has_placeholder()
{
return $this->placeholder;
}
public function set_placeholder($placeholder)
{
$this->placeholder = $placeholder;
}
public function set_template(Template $template)
{
$this->template = $template;
}
protected function get_template_to_use()
{
if ($this->template !== null)
{
return $this->template;
}
else
{
return $this->get_default_template();
}
}
abstract protected function get_default_template();
protected function get_js_specialization_code()
{
return '';
}
}
?>