I think you need a TagPresenter.
public TagPresenter(Tag tag) {
// Set the name to the view (checkbox)
this.tag = tag;
}
// Capture click event {
tag.setChecked(false);
}
When you end editing your list will be updated, cause you are sharing
the Tag instance with the TagPresenters.
Best
On Mon, Sep 20, 2010 at 7:28 AM, daniel <[email protected]> wrote:
> Maybe you can give the Tags (currentUser.getTags()) to the view, so
> that the view is responsible for creating checkboxes or whatever, so
> the presenter does not have to deal with widgets.
> the view can map each Tab to the created Checkbox (to avoid the for-
> loop) und call a method like tagChanged(Tag) in the presenter whenever
> a checkbox is clicked
>
> On 20 Sep., 03:18, Sydney <[email protected]> wrote:
>> My question is related to the MVP pattern. I have a VerticalPanel in
>> which I add several CheckBox. The UI is build on the fly since it
>> depends on the user settings. The user clicks some of the checkboxes
>> and in my presenter I would like to know which one are selected. What
>> should I put in my view interface of the presenter. My current
>> approach is the following:
>>
>> The presenter:
>>
>> public interface MyView {
>> HasWidgets getTagsContainer();
>> void showTagsContainer(); // Do a setVisible in the view
>> HasValue<Boolean> getCheckBox(int i); // Return the ith checkbox
>>
>> }
>>
>> // Build the UI in the fly
>> HasWidgets tagsContainer = getView().getTagsContainer();
>> tagsContainer.clear();
>> for (Tag tag : currentUser.getTags()) {
>> tagsContainer.add(new CheckBox(tag.getTagName()));}
>>
>> getView().showTagsContainer();
>>
>> The user clicks on some of the checkboxes
>>
>> // Find the one which are checked
>> int i=0;
>> for(Tag tag: currentUser.getTags()) {
>> boolean checked = getView().getCheckBox(i).getValue();
>> i++;
>>
>> }
>>
>> What do you think of my approach? Is there a better way to achieve it?
>> I am learning the MVP pattern, so I try to get the best practices.
>
> --
> You received this message because you are subscribed to the Google Groups
> "Google Web Toolkit" group.
> To post to this group, send email to [email protected].
> To unsubscribe from this group, send email to
> [email protected].
> For more options, visit this group at
> http://groups.google.com/group/google-web-toolkit?hl=en.
>
>
--
Guit: Elegant, beautiful, modular and *production ready* gwt applications.
http://code.google.com/p/guit/
--
You received this message because you are subscribed to the Google Groups
"Google Web Toolkit" group.
To post to this group, send email to [email protected].
To unsubscribe from this group, send email to
[email protected].
For more options, visit this group at
http://groups.google.com/group/google-web-toolkit?hl=en.
