Thank you, that's exactly the type of advice I was looking for!
On Thu, Aug 2, 2012 at 2:55 PM, Sven Meier <s...@meiers.net> wrote:
> This is not possible with ListView.
>
> You have to switch to RefreshingView with a ReuseIfModelsEqualStrategy.
>
> Hope this helps
> Sven
>
>
> On 08/02/2012 08:45 PM, Benjamin Heiskell wrote:
>>
>> That makes the TextFields reflect their original model correctly, but
>> it also disposes of any modified values.
>>
>> For example:
>> 1. List starts with "1", "2", "3"
>> 2. Add two entries "4", "5"
>> 3. Modify "1" to "modified"
>> 4. Remove "2"
>>
>> What I would like to see is: "modified", "3", "4", "5"
>> What I end up seeing is: "1", "3", "", ""
>>
>> On Thu, Aug 2, 2012 at 1:44 PM, Sven Meier <s...@meiers.net> wrote:
>>>
>>> After submit your TextFields still have their previous RAW_INPUT, call
>>> form#clearInput() so they render the value from the model.
>>>
>>> Sven
>>>
>>>
>>> On 08/02/2012 05:31 PM, Benjamin Heiskell wrote:
>>>>
>>>> Additions seem to work fine with setReuseItems(true), but I've been
>>>> having trouble with removals. My remove AjaxButton calls
>>>> listView.getList().remove(item.getIndex()), but that always removes
>>>> the last element. Am I making an incorrect assumption about how this
>>>> should work?
>>>>
>>>> The following is a simplified version of my FormComponentPanel that
>>>> replicates the problem. It's used the a CompoundPropertyModel with a
>>>> POJO containing the string list.
>>>>
>>>> public class TextFieldListView extends FormComponentPanel<List<String>>
>>>> {
>>>>
>>>> private static final long serialVersionUID = 1L;
>>>>
>>>> private final ListView<String> listView;
>>>>
>>>> public TextFieldListView(final String id) {
>>>> super(id);
>>>>
>>>> setOutputMarkupId(true);
>>>>
>>>> listView = new ListView<String>("list") {
>>>> private static final long serialVersionUID = 1L;
>>>>
>>>> @Override
>>>> protected void populateItem(final ListItem<String> item) {
>>>> final TextField<String> textField = new
>>>> TextField<String>("item", item.getModel());
>>>>
>>>> item.add(textField);
>>>> item.add(new RemoveButton("remove", item));
>>>> }
>>>> };
>>>>
>>>> listView.setReuseItems(true);
>>>>
>>>> add(listView);
>>>> add(new AddButton("add"));
>>>> }
>>>>
>>>> @Override
>>>> public void onInitialize() {
>>>> super.onInitialize();
>>>> listView.setModel(getModel());
>>>> }
>>>>
>>>> @SuppressWarnings("unchecked")
>>>> protected void convertInput() {
>>>> this.setConvertedInput((List<String>)listView.getList());
>>>> }
>>>>
>>>> private class AddButton extends AjaxButton {
>>>>
>>>> private static final long serialVersionUID = 1L;
>>>>
>>>> public AddButton(final String id) {
>>>> super(id);
>>>> setDefaultFormProcessing(false);
>>>> }
>>>>
>>>> @Override
>>>> protected void onSubmit(final AjaxRequestTarget target, final
>>>> Form<?> form) {
>>>> listView.getModelObject().add("");
>>>> target.add(TextFieldListView.this);
>>>> }
>>>>
>>>> @Override
>>>> protected void onError(final AjaxRequestTarget target, final
>>>> Form<?> form) {
>>>> throw new IllegalStateException("AJAX request threw an
>>>> error");
>>>> }
>>>> }
>>>>
>>>> private class RemoveButton extends AjaxButton {
>>>>
>>>> private static final long serialVersionUID = 1L;
>>>>
>>>> private final ListItem<String> item;
>>>>
>>>> public RemoveButton(final String id, final ListItem<String>
>>>> item)
>>>> {
>>>> super(id);
>>>> this.item = item;
>>>> setDefaultFormProcessing(false);
>>>> }
>>>>
>>>> @Override
>>>> protected void onSubmit(final AjaxRequestTarget target, final
>>>> Form<?> form) {
>>>> listView.getList().remove(item.getIndex());
>>>> target.add(TextFieldListView.this);
>>>> }
>>>>
>>>> @Override
>>>> protected void onError(final AjaxRequestTarget target, final
>>>> Form<?> form) {
>>>> throw new IllegalStateException("AJAX request threw an
>>>> error");
>>>> }
>>>> };
>>>> }
>>>>
>>>> Thanks!
>>>>
>>>> On Thu, Aug 2, 2012 at 10:13 AM, Andrea Del Bene <an.delb...@gmail.com>
>>>> wrote:
>>>>>
>>>>> Hi,
>>>>>
>>>>> what kind of problem have you encountered with ListView?
>>>>>>
>>>>>> Hi,
>>>>>>
>>>>>> I have a List<String> that I want to represent with TextFields. I need
>>>>>> to be able to dynamically add and remove them via AJAX.
>>>>>>
>>>>>> From what I’ve read online (and experienced firsthand) ListViews do
>>>>>> not seem to be designed for this.
>>>>>>
>>>>>> What is the best way to approach this problem?
>>>>>>
>>>>>> Thanks!
>>>>>> Ben
>>>>>>
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