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Thread: Remove item from table

  1. #1
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    Default Remove item from table

    Hi to everybody!

    I'm trying to make a calendar that, when you click on the date, the result are stored in a map and visualized in a table that refers to a container.

    I successfully created the map mechanism, but I have a problem on the list....

    I add the rows in this way:

    Object newItemId = container.addItem();
    Item riga = container.getItem(newItemId);
    riga.getItemProperty("Timestamp").setValue(fara);
    riga.getItemProperty("Date").setValue(asa);
    .

    How can I delete a row in the list, when all I have in input is the "Timestamp" information, in a Long value?

    Thanks for the answers

    BTY, I'm using NetBeans with Vaadin extension


  2. #2
    Super Moderator Norm's Avatar
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    Default Re: Remove item from table

    How can I delete a row in the list, when all I have in input is the "Timestamp"
    The normal way would be to:
    search the list for the item to delete
    remove the item

    Are you asking about a java class that implements the List interface?
    What kind of objects are stored in the list?
    If you don't understand my answer, don't ignore it, ask a question.

  3. #3
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    Default Re: Remove item from table

    I managed to make it run in this way

    private void refreshContainer(IndexedContainer container, Map<Long,Date> mappa)
        {
            container.removeAllItems();
    //        Iterator it = mappa.entrySet().iterator();
            for (Date d:mappa.values())
            {
                container.addItem(d);
                container.getItem(d).getItemProperty("Date").setValue(d);
            }
        }

    But how can I sort the item in this container?
    The column is called "Date", as you can see in the code, but how I can avoid writing directly in this method the name of the fields of the table?

    Thanks

  4. #4
    Super Moderator Norm's Avatar
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    Default Re: Remove item from table

    But how can I sort the item in this container?
    What is the IndexedContainer class? What class does it extend? What interfaces does it implement?
    Can any of them be used by one of the Collections sort() methods?
    If you don't understand my answer, don't ignore it, ask a question.

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