Doesn't <input type="reset" value="Reset" /> help?
The browser should cache all original values on the client side.
Martijn
On 5/16/07, j n <[EMAIL PROTECTED]> wrote:
> Hi,
>
>
>
> I'd like to have a feature in a form to reset the input in the form
> components to the original value in the model (thus allowing the user
> to "cancel" or revert all changes he has done in the textfields and so
> on and instead display the original values in the backing model).
>
> My current implementation in the form ctor is like this:
>
>
> cancelButton = new Button("cancelButton") {
> protected void onSubmit() {
> SettingsForm.this.setModel(SettingsForm.this.getModel());
> }
> };
> cancelButton.setDefaultFormProcessing(false);
> cancelButton.setOutputMarkupId(true);
> add(cancelButton);
>
> This works but maybe there is some better way to achieve what I want?
>
> The main problem with my implementation is that I also use a
> FormComponentVisitor to install the following Ajaxbehaviour on the
> FormComponents in order to only enable the cancel button (which as
> default is disabled) whenever the user changes the input in a form
> component. Installing the behaviour destroys the cancel functionality
> for a DropDownChoice in the form (textfields/textarea still working).
> I suppose that the model of the DropDownChoice is updated due to the
> ajax round-trip, but why is the model of the textfields not touched?
>
> public void formComponent(FormComponent c) {
> if (! (c instanceof Button)) {
> c.add(new
> AjaxFormComponentUpdatingBehavior("onclick") {
> protected void
> onUpdate(AjaxRequestTarget target) {
> cancelButton.setEnabled(true);
>
> target.addComponent(cancelButton);
> }
> });
> }
>
>
> Any suggestions?
>
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