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From "Ben Warner (JIRA)" <j...@apache.org>
Subject [jira] Created: (CLK-527) FormTable sort fields are not populated for render
Date Fri, 24 Apr 2009 07:38:30 GMT
FormTable sort fields are not populated for render
--------------------------------------------------

                 Key: CLK-527
                 URL: https://issues.apache.org/jira/browse/CLK-527
             Project: Click
          Issue Type: Bug
          Components: core
    Affects Versions: 1.5
            Reporter: Ben Warner


On an instance of FormTable we have the capability to set the sorted column, sorted ascending,
and page number values. These methods are inherited from the Table class but no overridden
methods are provided in Form Table.

When the form table is rendered there are hidden form fields defined which are intended to
store the values of these properties but the values of these hidden fields don't ever seem
to be set. These hidden fields get rendered in the startTag() method of the internal form...

            buffer.append(getForm().startTag());

Because these fields are not populated, the submit function is not aware of any sorting that
has been applied to the table and the values are often populated into the wrong underlying
objects if the default sorting of the table is not the same as the explicit sorting of the
table.

I've resolved this for my application by subclassing FormTable and overriding the 3 relevant
methods as follows:

    public void setSortedColumn(String columnName) {
        Field field = (Field)getForm().getFields().get(COLUMN);
        if(field != null){
            field.setValue(columnName);
        }
        setSorted(false);
        super.setSortedColumn(columnName);
    }

    public void setSortedAscending(boolean ascending) {
        Field field = (Field)getForm().getFields().get(ASCENDING);
        if(field != null){
            field.setValue("" + ascending);
        }
        setSorted(false);
        super.setSortedAscending(ascending);
    }

    public void setPageNumber(int pageNumber) {
        Field field = (Field)getForm().getFields().get(PAGE);
        if(field != null){
            field.setValue("" + pageNumber);
        }
        super.setPageNumber(pageNumber);
    }

These overridden methods should be in FormTable to resolve this bug. I have been working with
version 1.5 so it may already be resolved in a later version.

Note also that I am calling setSorted(false) in the first 2 methods.

BW.

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