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  1. #1
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    winter is on a distinguished road

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    Default Unanswered: Editable grid RequestFactory - save

    Unanswered: Editable grid RequestFactory - save


    I'm trying to figure out the (best) approach for saving changes made with GridEditing when the datastore is populated with EntityProxies using requestfactory.

    My current strategy:

    populate grid:
    1) requests all entityproxys
    2) for each entityproxy request an editable entityproxy and add this to the store

    save grid:
    1) put the changed entityproxys in a list using store.getModifiedRecords()
    2) store.commitChanges()
    3) use the list to save the changed entityproxies with requestfactory

    This works, but I feel like I only should request editable entityproxies when actually trying to save the changes to them, but I have no idea how to do that. Any recommendations?

  2. #2
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    I have a related issue

    http://www.sencha.com/forum/showthre...RequestFactory


    What you could do is potentially use the store.addStoreRecordChangeHandler .. and insert an editable proxy at that index ... but its not working .. you might end up getting:

    Caused by: java.lang.IllegalStateException: A request is already in progress

    when you persist :-(

  3. #3
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    If you get the "A request is already in progress", that indicates you're callin edit with a requestcontext that allready has been fired. You should use a new requestcontext. Would this fix your problem?



  4. #4
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    Hmm .. a new request object is being used:

    One commit is called on the grid/store, this is invoked.

    Code:
    store.addStoreUpdateHandler(new StoreUpdateEvent.StoreUpdateHandler<AddressProxy>() {
                @Override
                public void onUpdate(StoreUpdateEvent<AddressProxy> event) {
    
    
                    List<AddressProxy> items = event.getItems();
    
    
                    for(AddressProxy proxy : items) {
    
    
                        addressRF.addressRequest().persist().using(proxy).fire(new Receiver<Void>() {
                            @Override
                            public void onSuccess(Void response) {
                                System.out.println("Received persist response from server");
                            }
                            @Override
                            public void onFailure(ServerFailure error) {
                                System.out.println("Error from persist response from server - " + error.getMessage());
                            }
                        });
    
    
    
    
                    }
                }
            });
    This is from the store insertion:

    Code:
    addressRF.addressRequest().findAll().fire(new Receiver<List<AddressProxy>>() {
                @Override
                public void onSuccess(List<AddressProxy> response) {                
                    store.clear();
                    for( AddressProxy proxy : response) {
                        AddressProxy editable = addressRF.addressRequest().edit(proxy);
                        store.add(editable);
                    }
                    gridPanel.forceLayout();
                }
    
    
                @Override
                public void onFailure(ServerFailure error) {
                    System.out.println("Error from findAll  - " + error.getMessage());
                }
            });
    Will try to keep looking ..

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