could you tell me how to use this?
I have a Dataview like this:
dataView = new DataView<Administrator>("benutzer", new
AdministratorDataProvider()) {
}
thanks!
----- Ursprüngliche Mail ----
Von: Linda van der Pal <[email protected]>
An: [email protected]
Gesendet: Mittwoch, den 30. September 2009, 13:37:44 Uhr
Betreff: Re: AW: How would you realize a "delete"-Link in a datagrid row?
I used this with a AjaxFallbackDefaultDataTable and then I didn't have
to tell it that the DB had changed.
Peter Arnulf Lustig wrote:
> Thank you! Your solution is really nice.
>
> It functions well!
>
> I have a problem which the datagrid. After removing a row in the database it
> throws an exception, because wicket is unable to populate an item (I assume
> the deleted one)
>
> How can I tell wicket to reload the datagrid because something in the DB
> changed.
>
>
>
>
>
> ----- Ursprüngliche Mail ----
> Von: Linda van der Pal <[email protected]>
> An: [email protected]
> Gesendet: Mittwoch, den 30. September 2009, 11:43:40 Uhr
> Betreff: Re: How would you realize a "delete"-Link in a datagrid row?
>
> I created a deteletButton as follows. I have a DeleteButton innerclass, and a
> method that adds this button to the panel that is shown in the table.
>
> private class DeleteButton extends Button {
> private static final long serialVersionUID = 1L;
>
> public DeleteButton(final String id, final IModel<String> model) {
> super(id, model);
> }
>
> @Override
> public void onSubmit() {
> try {
> deleteData((String) getModelObject()); // a method that does
> the actual data deletion in the database
> } catch (SQLException se) {
> error(StringResources.SQLERROR_GET + '\n' + se.getMessage());
> } catch (IOException ie) {
> error(StringResources.IOERROR + '\n' + ie.getMessage());
> }
> }
>
> @Override
> public boolean isEnabled() {
> return isEditingAuthorised();
> }
> }
>
> private void addDeleteLink(final IModel<?> model) {
> String id = (String)getIdFromModel(model); // a method that
> extracts the id from the model (based on what kind of class is in the model)
> Button deleteButton = new DeleteButton("delete", new
> Model<String>(id));
> deleteButton.add(new Image("deleteIcon", new
> ResourceReference(EmptyIconReference.class, "list-remove.png")));
> deleteButton.add(new SimpleAttributeModifier("onclick", "return
> confirm('Are you sure?');"));
> add(deleteButton);
> }
>
> I hope this helps.
>
> Regards,
> Linda
>
> Peter Arnulf Lustig wrote:
>
>> Hi,
>>
>> I'd like to create a delete link where you can delete a row in a datagrid.
>> But when you click on the delete link, the delete label should change and a
>> warning occurs: "Do you really want to delete xyz".
>> After the second click it finally deletes the content.
>>
>> How can I achieve that? Could you verbalize the procedure?
>>
>> Thanks!!
>>
>>
>>
>>
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>>
>>
>>
>
>
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>
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