Wt  4.10.4
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Wt::Form::WFormDelegate< double, void > Class Reference

Form delegate for double More...

#include <WFormDelegate.h>

Inheritance diagram for Wt::Form::WFormDelegate< double, void >:
[legend]

Public Member Functions

std::unique_ptr< Wt::WWidgetcreateFormWidget () override
 Create WLineEdit to be used in the View.
 
std::shared_ptr< Wt::WValidatorcreateValidator () override
 Create WDoubleValidator for validation.
 
void updateModelValue (Wt::WFormModel *model, Wt::WFormModel::Field field, Wt::WFormWidget *edit) override
 Update the value in the model.
 
void updateViewValue (Wt::WFormModel *model, Wt::WFormModel::Field field, Wt::WFormWidget *edit) override
 Update the value in the View.
 
virtual bool updateModelValue (Wt::WFormModel *model, Wt::WFormModel::Field field, Wt::WWidget *edit)
 Updates a value in the Model.
 
virtual bool updateViewValue (Wt::WFormModel *model, Wt::WFormModel::Field field, Wt::WWidget *edit)
 Updates a value in the View.
 
- Public Member Functions inherited from Wt::Form::WAbstractFormDelegate
 WAbstractFormDelegate ()
 Constructor.
 
virtual ~WAbstractFormDelegate ()
 Destructor.
 

Detailed Description

Form delegate for double

This will create a WLineEdit to display the double value in the View. Additionally the delegate will also initialize the WDoubleValidator for validation.

Member Function Documentation

◆ updateModelValue()

virtual bool Wt::Form::WAbstractFormDelegate::updateModelValue ( Wt::WFormModel * model,
Wt::WFormModel::Field field,
Wt::WWidget * edit )
virtual

Updates a value in the Model.

By default this method returns false.

The user should only override this method or the other updateModelValue method, depending on the type of widget that's returned by createFormWidget.

See also
WTemplateFormView::updateModelValue()

Reimplemented from Wt::Form::WAbstractFormDelegate.

◆ updateViewValue()

virtual bool Wt::Form::WAbstractFormDelegate::updateViewValue ( Wt::WFormModel * model,
Wt::WFormModel::Field field,
Wt::WWidget * edit )
virtual

Updates a value in the View.

By default this method returns false.

The user should only override this method or the other updateViewValue method, depending on the type of widget that's returned by createFormWidget.

See also
WTemplateFormView::updateViewValue()

Reimplemented from Wt::Form::WAbstractFormDelegate.