silverstripe-userforms/code/editor/FieldEditor.php

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<?php
/**
* Allows CMS user to create forms dynamically.
*
* @package userforms
*/
class FieldEditor extends FormField {
protected $haveFormOptions = true;
protected $readonly = false;
function isReadonly() {
return $this->readonly;
}
function performReadonlyTransformation() {
$clone = clone $this;
$clone->setReadonly(true);
return $clone;
}
function makeReadonly() {
return $this->performReadonlyTransformation();
}
function FieldHolder() {
return $this->renderWith("FieldEditor");
}
function Fields() {
Requirements::css("userforms/css/FieldEditor.css");
Requirements::javascript("jsparty/jquery/ui/ui.core.js");
Requirements::javascript("jsparty/jquery/ui/ui.sortable.js");
Requirements::javascript("userforms/javascript/UserForm.js");
$relationName = $this->name;
$fields = $this->form->getRecord()->$relationName();
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if($this->readonly) {
$readonlyFields = new DataObjectSet();
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foreach($fields as $field) {
$field->setEditor($this);
$readonlyFields->push($field->makeReadonly());
}
$fields = $readonlyFields;
}
return $fields;
}
/**
* Return a DataObjectSet of all the addable fields to populate
* the add field menu
*
* @return DataObjectSet
*/
function CreatableFields() {
$fields = ClassInfo::subclassesFor('EditableFormField');
if($fields) {
array_shift($fields); // get rid of subclass 0
asort($fields); // get in order
$output = new DataObjectSet();
foreach($fields as $field => $title) {
// get the nice title and strip out field
$niceTitle = trim(eval("return $title::\$singular_name;"));
if($niceTitle) {
$output->push(new ArrayData(array(
'ClassName' => $field,
'Title' => "$niceTitle"
)));
}
}
return $output;
}
return false;
}
/**
* Handles saving the page. Needs to keep an eye on fields
* and options which have been removed / added
*
* @param DataObject Record to Save it In
*/
function saveInto(DataObject $record) {
$name = $this->name;
$fieldSet = $record->$name();
// @todo shouldn't we deal with customFormActions on that object?
$record->EmailOnSubmit = isset( $_REQUEST[$name]['EmailOnSubmit'] ) ? "1" : "0";
$record->SubmitButtonText = isset($_REQUEST[$name]['SubmitButtonText']) ? $_REQUEST[$name]['SubmitButtonText'] : "";
$record->ShowClearButton = isset($_REQUEST[$name]['ShowClearButton']) ? "1" : "0";
// store the field IDs and delete the missing fields
// alternatively, we could delete all the fields and re add them
$missingFields = array();
foreach($fieldSet as $existingField){
$missingFields[$existingField->ID] = $existingField;
}
if($_REQUEST[$name]){
foreach( array_keys( $_REQUEST[$name] ) as $newEditableID ) {
$newEditableData = $_REQUEST[$name][$newEditableID];
$editable = DataObject::get_one('EditableFormField', "(`ParentID`='{$record->ID}' OR `ParentID`=0) AND `EditableFormField`.`ID`='$newEditableID'" );
// check if we are updating an existing field. One odd thing is a 'deleted' field
// still exists in the post data (ID) so we need to check for type.
if($editable && isset($missingFields[$editable->ID]) && isset($newEditableData['Type'])) {
// check if it has been labelled as deleted
if(isset($newEditableData['Title']) && $newEditableData['Title'] != 'field-node-deleted') {
unset($missingFields[$editable->ID]);
}
}
if($editable) {
if($editable->ParentID == 0) {
$editable->ParentID = $record->ID;
}
$editable->populateFromPostData($newEditableData);
}
}
}
// remove the fields not saved
foreach($missingFields as $removedField) {
if(is_numeric($removedField->ID)) $removedField->delete();
}
if($record->hasMethod('customFormSave')) {
$record->customFormSave( $_REQUEST[$name], $record );
}
if($record->hasMethod( 'processNewFormFields')) {
$record->processNewFormFields();
}
}
/**
* Add a field to the field editor. Called via a ajax get request
* from the userdefinedform javascript
*
* @return bool|html
*/
public function addfield() {
// get the last field in this form editor
$parentID = $this->form->getRecord()->ID;
if($parentID) {
$parentID = Convert::raw2sql($parentID); // who knows what could happen
$highestSort = DB::query("SELECT MAX(Sort) FROM EditableFormField WHERE ParentID = '$parentID'");
$sort = $highestSort->value() + 1;
$className = (isset($_REQUEST['Type'])) ? $_REQUEST['Type'] : '';
if(is_subclass_of($className, "EditableFormField")) {
$field = new $className();
$field->write();
$field->ParentID = $this->form->getRecord()->ID;
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$field->Name = $field->class . $field->ID;
$field->Sort = $sort;
$field->write();
return $field->EditSegment();
}
}
return false;
}
/**
* Return the html for a field option such as a
* dropdown field or a radio check box field
*
* @return bool|html
*/
public function addoptionfield() {
// passed via the ajax
$parent = (isset($_REQUEST['Parent'])) ? $_REQUEST['Parent'] : false;
// work out the sort by getting the sort of the last field in the form +1
if($parent) {
$sql_parent = Convert::raw2sql($parent);
$highestSort = DB::query("SELECT MAX(Sort) FROM EditableOption WHERE ParentID = '$sql_parent'");
$sort = $highestSort->value() + 1;
if($parent) {
$object = new EditableOption();
$object->write();
$object->ParentID = $parent;
$object->Sort = $sort;
$object->Name = 'option' . $object->ID;
$object->write();
return $object->EditSegment();
}
}
return false;
}
function setHaveFormOptions($bool){
$this->haveFormOptions = $bool;
}
function getHaveFormOptions(){
return $this->haveFormOptions;
}
function FormOptions() {
if($this->haveFormOptions){
if($this->form->getRecord()->hasMethod('customFormActions')) {
$newFields = $this->form->getRecord()->customFormActions($this->readonly);
foreach( $newFields as $newField ) {
$newField->setName( "{$this->name}[{$newField->Name()}]" );
}
if($this->readonly) {
$newFields = $newFields->makeReadonly();
}
return $newFields;
}
}
}
}
?>