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This commit is contained in:
Will Rossiter 2013-05-30 21:06:54 +12:00
parent c7468caeb6
commit 4921173209
1 changed files with 141 additions and 50 deletions
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191
forms/Form.php
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@ -915,6 +915,10 @@ class Form extends RequestHandler {
* Note: For "normal" forms, you shouldn't need to use this method. It is
* recommended only for situations where you have two relatively distinct
* parts of the system trying to communicate via a form post.
*
* @param string
*
* @return Form
*/
public function setFormAction($path) {
$this->formActionPath = $path;
@ -953,14 +957,19 @@ class Form extends RequestHandler {
/**
* Returns this form's controller.
* This is used in the templates.
*
* @return Controller
* @deprecated 4.0
*/
public function Controller() {
Deprecation::notice('4.0', 'Use getController() rather than Controller() to access controller');
return $this->getController();
}
/**
* Get the controller.
*
* @return Controller
*/
public function getController() {
@ -969,16 +978,19 @@ class Form extends RequestHandler {
/**
* Set the controller.
*
* @param Controller $controller
* @return Form
*/
public function setController($controller) {
$this->controller = $controller;
return $this;
}
/**
* Get the name of the form.
*
* @return string
*/
public function getName() {
@ -987,32 +999,37 @@ class Form extends RequestHandler {
/**
* Set the name of the form.
*
* @param string $name
* @return Form
*/
public function setName($name) {
$this->name = $name;
return $this;
}
/**
* Returns an object where there is a method with the same name as each data field on the form.
* Returns an object where there is a method with the same name as each data
* field on the form.
*
* That method will return the field itself.
* It means that you can execute $firstNameField = $form->FieldMap()->FirstName(), which can be handy
*
* It means that you can execute $firstName = $form->FieldMap()->FirstName()
*/
public function FieldMap() {
return new Form_FieldMap($this);
}
/**
* The next functions store and modify the forms
* message attributes. messages are stored in session under
* $_SESSION[formname][message];
* The next functions store and modify the forms message attributes.
* messages are stored in session under $_SESSION[formname][message];
*
* @return string
*/
public function Message() {
$this->getMessageFromSession();
return $this->message;
}
@ -1021,16 +1038,17 @@ class Form extends RequestHandler {
*/
public function MessageType() {
$this->getMessageFromSession();
return $this->messageType;
}
protected function getMessageFromSession() {
if($this->message || $this->messageType) {
return $this->message;
}else{
$this->message = Session::get("FormInfo.{$this->FormName()}.formError.message");
$this->messageType = Session::get("FormInfo.{$this->FormName()}.formError.type");
}
$this->message = Session::get("FormInfo.{$this->FormName()}.formError.message");
$this->messageType = Session::get("FormInfo.{$this->FormName()}.formError.type");
}
/**
@ -1067,6 +1085,7 @@ class Form extends RequestHandler {
Session::clear("FormInfo.{$this->FormName()}.formError");
Session::clear("FormInfo.{$this->FormName()}.data");
}
public function resetValidation() {
Session::clear("FormInfo.{$this->FormName()}.errors");
Session::clear("FormInfo.{$this->FormName()}.data");
@ -1094,26 +1113,32 @@ class Form extends RequestHandler {
/**
* Processing that occurs before a form is executed.
*
* This includes form validation, if it fails, we redirect back
* to the form with appropriate error messages.
*
* Triggered through {@link httpSubmission()}.
*
* Note that CSRF protection takes place in {@link httpSubmission()},
* if it fails the form data will never reach this method.
*
* @return boolean
*/
public function validate(){
if($this->validator){
public function validate() {
if($this->validator) {
$errors = $this->validator->validate();
if($errors){
if($errors) {
// Load errors into session and post back
$data = $this->getData();
Session::set("FormInfo.{$this->FormName()}.errors", $errors);
Session::set("FormInfo.{$this->FormName()}.data", $data);
return false;
}
}
return true;
}
@ -1123,6 +1148,7 @@ class Form extends RequestHandler {
/**
* Load data from the given DataObject or array.
*
* It will call $object->MyField to get the value of MyField.
* If you passed an array, it will call $object[MyField].
* Doesn't save into dataless FormFields ({@link DatalessField}),
@ -1132,15 +1158,19 @@ class Form extends RequestHandler {
* its value will not be saved to the field, retaining
* potential existing values.
*
* Passed data should not be escaped, and is saved to the FormField instances unescaped.
* Escaping happens automatically on saving the data through {@link saveInto()}.
* Passed data should not be escaped, and is saved to the FormField
* instances unescaped.
*
* Escaping happens automatically on saving the data through
* {@link saveInto()}.
*
* @uses FieldList->dataFields()
* @uses FormField->setValue()
*
* @param array|DataObject $data
* @param int $mergeStrategy
* For every field, {@link $data} is interogated whether it contains a relevant property/key, and
* For every field, {@link $data} is interogated whether it contains a
* relevant property/key, and
* what that property/key's value is.
*
* By default, if {@link $data} does contain a property/key, the fields value is always replaced by {@link $data}'s
@ -1271,11 +1301,11 @@ class Form extends RequestHandler {
/**
* Get the submitted data from this form through
* {@link FieldList->dataFields()}, which filters out
* any form-specific data like form-actions.
* Calls {@link FormField->dataValue()} on each field,
* which returns a value suitable for insertion into a DataObject
* property.
* {@link FieldList->dataFields()}, which filters out any form-specific data
* like form-actions.
*
* Calls {@link FormField->dataValue()} on each field, which returns a value
* suitable for insertion into a DataObject property.
*
* @return array
*/
@ -1283,20 +1313,23 @@ class Form extends RequestHandler {
$dataFields = $this->fields->dataFields();
$data = array();
if($dataFields){
if($dataFields) {
foreach($dataFields as $field) {
if($field->getName()) {
$data[$field->getName()] = $field->dataValue();
}
}
}
return $data;
}
/**
* Call the given method on the given field.
* This is used by Ajax-savvy form fields. By putting '&action=callfieldmethod' to the end
* of the form action, they can access server-side data.
*
* This is used by Ajax-savvy form fields. By putting '&action=callfieldmethod'
* to the end of the form action, they can access server-side data.
*
* @param fieldName The name of the field. Can be overridden by $_REQUEST[fieldName]
* @param methodName The name of the field. Can be overridden by $_REQUEST[methodName]
*/
@ -1329,6 +1362,8 @@ class Form extends RequestHandler {
*
* This is returned when you access a form as $FormObject rather
* than <% with FormObject %>
*
* @return HTML
*/
public function forTemplate() {
$return = $this->renderWith(array_merge(
@ -1344,7 +1379,11 @@ class Form extends RequestHandler {
/**
* Return a rendered version of this form, suitable for ajax post-back.
* It triggers slightly different behaviour, such as disabling the rewriting of # links
*
* It triggers slightly different behaviour, such as disabling the rewriting
* of # links.
*
* @return HTML
*/
public function forAjaxTemplate() {
$view = new SSViewer(array(
@ -1357,8 +1396,12 @@ class Form extends RequestHandler {
/**
* Returns an HTML rendition of this form, without the <form> tag itself.
* Attaches 3 extra hidden files, _form_action, _form_name, _form_method, and _form_enctype. These are
* the attributes of the form. These fields can be used to send the form to Ajax.
*
* Attaches 3 extra hidden files, _form_action, _form_name, _form_method,
* and _form_enctype. These are the attributes of the form. These fields
* can be used to send the form to Ajax.
*
* @return HTML
*/
public function formHtmlContent() {
$this->IncludeFormTag = false;
@ -1375,77 +1418,115 @@ class Form extends RequestHandler {
}
/**
* Render this form using the given template, and return the result as a string
* You can pass either an SSViewer or a template name
* Render this form using the given template, and return the result as a
* string.
*
* You can pass either an SSViewer or a template name.
*
* @param SSViewer|string $template
*
* @return HTML
*/
public function renderWithoutActionButton($template) {
$custom = $this->customise(array(
"Actions" => "",
));
if(is_string($template)) $template = new SSViewer($template);
if(is_string($template)) {
$template = new SSViewer($template);
}
return $template->process($custom);
}
/**
* Sets the button that was clicked. This should only be called by the Controller.
* @param funcName The name of the action method that will be called.
* Sets the button that was clicked. This should only be called by the
* {@link Controller}
*
* @param string $funcName The name of the action method that will be called
*
* @return Form
*/
public function setButtonClicked($funcName) {
$this->buttonClickedFunc = $funcName;
return $this;
}
/**
* @return FormAction
*/
public function buttonClicked() {
foreach($this->actions as $action) {
if($this->buttonClickedFunc == $action->actionName()) return $action;
if($this->buttonClickedFunc == $action->actionName()) {
return $action;
}
}
}
/**
* Return the default button that should be clicked when another one isn't available
* Return the default button that should be clicked when another one isn't
* available.
*
* @return FormAction
*/
public function defaultAction() {
if($this->hasDefaultAction && $this->actions)
if($this->hasDefaultAction && $this->actions) {
return $this->actions->First();
}
}
/**
* Disable the default button.
* Ordinarily, when a form is processed and no action_XXX button is available, then the first button in the
* actions list will be pressed. However, if this is "delete", for example, this isn't such a good idea.
*
* Ordinarily, when a form is processed and no action_XXX button is
* available, then the first button in the actions list will be pressed.
* However, if this is "delete", for example, this isn't such a good idea.
*
* @return Form
*/
public function disableDefaultAction() {
$this->hasDefaultAction = false;
return $this;
}
/**
* Disable the requirement of a security token on this form instance. This security protects
* against CSRF attacks, but you should disable this if you don't want to tie
* a form to a session - eg a search form.
* Disable the requirement of a security token on this form instance. This
* security protects against CSRF attacks, but you should disable this if
* you don't want to tie a form to a session - eg a search form.
*
* Check for token state with {@link getSecurityToken()} and {@link SecurityToken->isEnabled()}.
* Check for token state with {@link getSecurityToken()} and
* {@link SecurityToken->isEnabled()}.
*
* @return Form
*/
public function disableSecurityToken() {
$this->securityToken = new NullSecurityToken();
return $this;
}
/**
* Enable {@link SecurityToken} protection for this form instance.
*
* Check for token state with {@link getSecurityToken()} and {@link SecurityToken->isEnabled()}.
* Check for token state with {@link getSecurityToken()} and
* {@link SecurityToken->isEnabled()}.
*
* @return Form
*/
public function enableSecurityToken() {
$this->securityToken = new SecurityToken();
return $this;
}
/**
* Returns the security token for this form (if any exists).
*
* Doesn't check for {@link securityTokenEnabled()}.
*
* Use {@link SecurityToken::inst()} to get a global token.
*
* @return SecurityToken|null
@ -1455,26 +1536,32 @@ class Form extends RequestHandler {
}
/**
* Returns the name of a field, if that's the only field that the current controller is interested in.
* Returns the name of a field, if that's the only field that the current
* controller is interested in.
*
* It checks for a call to the callfieldmethod action.
* This is useful for optimising your forms
*
* @return string
*/
public static function single_field_required() {
if(self::current_action() == 'callfieldmethod') return $_REQUEST['fieldName'];
if(self::current_action() == 'callfieldmethod') {
return $_REQUEST['fieldName'];
}
}
/**
* Return the current form action being called, if available.
* This is useful for optimising your forms
*
* @return string
*/
public static function current_action() {
return self::$current_action;
}
/**
* Set the current form action. Should only be called by Controller.
* Set the current form action. Should only be called by {@link Controller}.
*
* @param string $action
*/
public static function set_current_action($action) {
self::$current_action = $action;
@ -1495,6 +1582,8 @@ class Form extends RequestHandler {
*
* @param string $class A string containing a classname or several class
* names delimited by a single space.
*
* @return Form
*/
public function addExtraClass($class) {
$classes = explode(' ', $class);
@ -1517,6 +1606,7 @@ class Form extends RequestHandler {
public function removeExtraClass($class) {
$classes = explode(' ', $class);
$this->extraClasses = array_diff($this->extraClasses, $classes);
return $this;
}
@ -1547,9 +1637,6 @@ class Form extends RequestHandler {
$data['action_' . $action] = true;
return Director::test($this->FormAction(), $data, Controller::curr()->getSession());
//$response = $this->controller->run($data);
//return $response;
}
/**
@ -1568,6 +1655,7 @@ class Form extends RequestHandler {
* @subpackage core
*/
class Form_FieldMap extends ViewableData {
protected $form;
public function __construct($form) {
@ -1576,7 +1664,10 @@ class Form_FieldMap extends ViewableData {
}
/**
* Ensure that all potential method calls get passed to __call(), therefore to dataFieldByName
* Ensure that all potential method calls get passed to __call(), therefore
* to dataFieldByName.
*
* @param string
*/
public function hasMethod($method) {
return true;