silverstripe-userforms/code/model/formfields/EditableFormField.php

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<?php
/**
* Represents the base class of a editable form field
* object like {@link EditableTextField}.
*
* @package userforms
*/
class EditableFormField extends DataObject {
private static $default_sort = "Sort";
/**
* A list of CSS classes that can be added
*
* @var array
*/
public static $allowed_css = array();
private static $db = array(
"Name" => "Varchar",
"Title" => "Varchar(255)",
"Default" => "Varchar",
"Sort" => "Int",
"Required" => "Boolean",
"CustomErrorMessage" => "Varchar(255)",
"CustomRules" => "Text",
"CustomSettings" => "Text",
"CustomParameter" => "Varchar(200)"
);
private static $has_one = array(
"Parent" => "UserDefinedForm",
);
private static $extensions = array(
"Versioned('Stage', 'Live')"
);
/**
* @var bool
*/
protected $readonly;
/**
* Set the visibility of an individual form field
*
* @param bool
*/
public function setReadonly($readonly = true) {
$this->readonly = $readonly;
}
/**
* Returns whether this field is readonly
*
* @return bool
*/
private function isReadonly() {
return $this->readonly;
}
/**
* Template to render the form field into
*
* @return String
*/
public function EditSegment() {
return $this->renderWith('EditableFormField');
}
/**
* Return whether a user can delete this form field
* based on whether they can edit the page
*
* @return bool
*/
public function canDelete($member = null) {
return ($this->Parent()->canEdit($member = null) && !$this->isReadonly());
}
/**
* Return whether a user can edit this form field
* based on whether they can edit the page
*
* @return bool
*/
public function canEdit($member = null) {
return ($this->Parent()->canEdit($member = null) && !$this->isReadonly());
}
/**
* Publish this Form Field to the live site
*
* Wrapper for the {@link Versioned} publish function
*/
public function doPublish($fromStage, $toStage, $createNewVersion = false) {
$this->publish($fromStage, $toStage, $createNewVersion);
}
/**
* Delete this form from a given stage
*
* Wrapper for the {@link Versioned} deleteFromStage function
*/
public function doDeleteFromStage($stage) {
$this->deleteFromStage($stage);
}
/**
* checks wether record is new, copied from Sitetree
*/
function isNew() {
if(empty($this->ID)) return true;
if(is_numeric($this->ID)) return false;
return stripos($this->ID, 'new') === 0;
}
/**
* checks if records is changed on stage
* @return boolean
*/
public function getIsModifiedOnStage() {
// new unsaved fields could be never be published
if($this->isNew()) return false;
$stageVersion = Versioned::get_versionnumber_by_stage('EditableFormField', 'Stage', $this->ID);
$liveVersion = Versioned::get_versionnumber_by_stage('EditableFormField', 'Live', $this->ID);
return ($stageVersion && $stageVersion != $liveVersion);
}
/**
* Show this form on load or not
*
* @return bool
*/
public function getShowOnLoad() {
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return ($this->getSetting('ShowOnLoad') == "Show" || $this->getSetting('ShowOnLoad') == '') ? true : false;
}
/**
* To prevent having tables for each fields minor settings we store it as
* a serialized array in the database.
*
* @return Array Return all the Settings
*/
public function getSettings() {
return (!empty($this->CustomSettings)) ? unserialize($this->CustomSettings) : array();
}
/**
* Set the custom settings for this field as we store the minor details in
* a serialized array in the database
*
* @param Array the custom settings
*/
public function setSettings($settings = array()) {
$this->CustomSettings = serialize($settings);
}
/**
* Set a given field setting. Appends the option to the settings or overrides
* the existing value
*
* @param String key
* @param String value
*/
public function setSetting($key, $value) {
$settings = $this->getSettings();
$settings[$key] = $value;
$this->setSettings($settings);
}
/**
* Set the allowed css classes for the extraClass custom setting
*
* @param array The permissible CSS classes to add
*/
public function setAllowedCss(array $allowed) {
if (is_array($allowed_css)){
foreach ($allowed_css as $k => $v){
self::$allowed_css[$k] = (!is_null($v)) ? $v : $k;
}
}
}
/**
* Return just one custom setting or empty string if it does
* not exist
*
* @param String Value to use as key
* @return String
*/
public function getSetting($setting) {
$settings = $this->getSettings();
if(isset($settings) && count($settings) > 0) {
if(isset($settings[$setting])) {
return $settings[$setting];
}
}
return '';
}
/**
* Get the path to the icon for this field type, relative to the site root.
*
* @return string
*/
public function getIcon() {
return 'userforms/images/' . strtolower($this->class) . '.png';
}
/**
* Return whether or not this field has addable options
* such as a dropdown field or radio set
*
* @return bool
*/
public function getHasAddableOptions() {
return false;
}
/**
* Return whether or not this field needs to show the extra
* options dropdown list
*
* @return bool
*/
public function showExtraOptions() {
return true;
}
/**
* Return the custom validation fields for this field for the CMS
*
* @return array
*/
public function Dependencies() {
return ($this->CustomRules) ? unserialize($this->CustomRules) : array();
}
/**
* Return the custom validation fields for the field
*
* @return DataObjectSet
*/
public function CustomRules() {
$output = new ArrayList();
$fields = $this->Parent()->Fields();
// check for existing ones
if($rules = $this->Dependencies()) {
foreach($rules as $rule => $data) {
// recreate all the field object to prevent caching
$outputFields = new ArrayList();
foreach($fields as $field) {
$new = clone $field;
$new->isSelected = ($new->Name == $data['ConditionField']) ? true : false;
$outputFields->push($new);
}
$output->push(new ArrayData(array(
'FieldName' => $this->getFieldName(),
'Display' => $data['Display'],
'Fields' => $outputFields,
'ConditionField' => $data['ConditionField'],
'ConditionOption' => $data['ConditionOption'],
'Value' => $data['Value']
)));
}
}
return $output;
}
/**
* Title field of the field in the backend of the page
*
* @return TextField
*/
public function TitleField() {
$label = _t('EditableFormField.ENTERQUESTION', 'Enter Question');
$field = new TextField('Title', $label, $this->getField('Title'));
$field->setName($this->getFieldName('Title'));
if(!$this->canEdit()) {
return $field->performReadonlyTransformation();
}
return $field;
}
/** Returns the Title for rendering in the front-end (with XML values escaped) */
public function getTitle() {
return Convert::raw2att($this->getField('Title'));
}
/**
* Return the base name for this form field in the
* form builder. Optionally returns the name with the given field
*
* @param String Field Name
*
* @return String
*/
public function getFieldName($field = false) {
return ($field) ? "Fields[".$this->ID."][".$field."]" : "Fields[".$this->ID."]";
}
/**
* Generate a name for the Setting field
*
* @param String name of the setting
* @return String
*/
public function getSettingName($field) {
$name = $this->getFieldName('CustomSettings');
return $name . '[' . $field .']';
}
/**
* How to save the data submitted in this field into
* the database object which this field represents.
*
* Any class's which call this should also call
* {@link parent::populateFromPostData()} to ensure
* that this method is called
*
* @access public
*/
public function populateFromPostData($data) {
$this->Title = (isset($data['Title'])) ? $data['Title']: "";
$this->Default = (isset($data['Default'])) ? $data['Default'] : "";
$this->Sort = (isset($data['Sort'])) ? $data['Sort'] : null;
$this->Required = !empty($data['Required']) ? 1 : 0;
$this->Name = $this->class.$this->ID;
$this->CustomRules = "";
$this->CustomErrorMessage = (isset($data['CustomErrorMessage'])) ? $data['CustomErrorMessage'] : "";
$this->CustomSettings = "";
// custom settings
if(isset($data['CustomSettings'])) {
$this->setSettings($data['CustomSettings']);
}
// custom validation
if(isset($data['CustomRules'])) {
$rules = array();
foreach($data['CustomRules'] as $key => $value) {
if(is_array($value)) {
$fieldValue = (isset($value['Value'])) ? $value['Value'] : '';
if(isset($value['ConditionOption']) && $value['ConditionOption'] == "Blank" || $value['ConditionOption'] == "NotBlank") {
$fieldValue = "";
}
$rules[] = array(
'Display' => (isset($value['Display'])) ? $value['Display'] : "",
'ConditionField' => (isset($value['ConditionField'])) ? $value['ConditionField'] : "",
'ConditionOption' => (isset($value['ConditionOption'])) ? $value['ConditionOption'] : "",
'Value' => $fieldValue
);
}
}
$this->CustomRules = serialize($rules);
}
$this->write();
}
/**
* Implement custom field Configuration on this field. Includes such things as
* settings and options of a given editable form field
*
* @return FieldSet
*/
public function getFieldConfiguration() {
$extraClass = ($this->getSetting('ExtraClass')) ? $this->getSetting('ExtraClass') : '';
if (is_array(self::$allowed_css) && !empty(self::$allowed_css)) {
foreach(self::$allowed_css as $k => $v) {
if (!is_array($v)) $cssList[$k]=$v;
elseif ($k == $this->ClassName()) $cssList = array_merge($cssList, $v);
}
$ec = new DropdownField(
$this->getSettingName('ExtraClass'),
_t('EditableFormField.EXTRACLASSA', 'Extra Styling/Layout'),
$cssList, $extraClass
);
}
else {
$ec = new TextField(
$this->getSettingName('ExtraClass'),
_t('EditableFormField.EXTRACLASSB', 'Extra css Class - separate multiples with a space'),
$extraClass
);
}
$right = new TextField(
$this->getSettingName('RightTitle'),
_t('EditableFormField.RIGHTTITLE', 'Right Title'),
$this->getSetting('RightTitle')
);
return new FieldList(
$ec,
$right
);
}
/**
* Append custom validation fields to the default 'Validation'
* section in the editable options view
*
* @return FieldSet
*/
public function getFieldValidationOptions() {
$fields = new FieldList(
new CheckboxField($this->getFieldName('Required'), _t('EditableFormField.REQUIRED', 'Is this field Required?'), $this->Required),
new TextField($this->getFieldName('CustomErrorMessage'), _t('EditableFormField.CUSTOMERROR','Custom Error Message'), $this->CustomErrorMessage)
);
if(!$this->canEdit()) {
foreach($fields as $field) {
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$field->performReadonlyTransformation();
}
}
return $fields;
}
/**
* Return a FormField to appear on the front end. Implement on
* your subclass
*
* @return FormField
*/
public function getFormField() {
user_error("Please implement a getFormField() on your EditableFormClass ". $this->ClassName, E_USER_ERROR);
}
/**
* Return the instance of the submission field class
*
* @return SubmittedFormField
*/
public function getSubmittedFormField() {
return new SubmittedFormField();
}
/**
* Show this form field (and its related value) in the reports and in emails.
*
* @return bool
*/
public function showInReports() {
return true;
}
/**
* Return the validation information related to this field. This is
* interrupted as a JSON object for validate plugin and used in the
* PHP.
*
* @see http://docs.jquery.com/Plugins/Validation/Methods
* @return Array
*/
public function getValidation() {
return array();
}
/**
* Return the error message for this field. Either uses the custom
* one (if provided) or the default SilverStripe message
*
* @return Varchar
*/
public function getErrorMessage() {
$title = strip_tags("'". ($this->Title ? $this->Title : $this->Name) . "'");
$standard = sprintf(_t('Form.FIELDISREQUIRED', '%s is required').'.', $title);
$errorMessage = ($this->CustomErrorMessage) ? $this->CustomErrorMessage : $standard;
return DBField::create_field('Varchar', $errorMessage);
}
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}