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Re: SWT Table and Date columns

by Holger Brands :: Rate this Message:

>
> Hi Everyone,
>
> I am new to glazed lists, and already I have seen how useful they are to
> quickly set up tables in my SWT/JFACE application.
>
> However, I am having one problem displaying and sorting Dates
> (java.util.Date) in my SWT Table. Is there a way to add a custom renderer
> to change how the Date object is rendered into the string that is displayed
> in the table cell? and also keep the sorting to sort by the true date,
> regardless of the way its rendered?

You could provide a TableItemConfigurer to the constructor of the EventTableViewer or via the corresponding setter method.
A ca.odell.glazedlists.swt.TableItemConfigurer allows you to customize the appearance of the displayed TableItems.
Here is an example implementation:

public class IssueTableItemConfigurer implements TableItemConfigurer<Issue> {

/** DateFormatter. */
private final DateFormat dateFormatter = DateFormat.getDateInstance();

/** {@inheritDoc} */
public void configure(TableItem item, Issue rowValue, Object columnValue, int row, int column) {
switch (column) {
case 2: item.setText(column, dateToString(columnValue)); break;
case 3: item.setText(column, dateToString(columnValue)); break;
default: TableItemConfigurer.DEFAULT.configure(item, rowValue, columnValue, row, column);
}
}

/**
* Converts a Date to a String with the default {@link DateFormat}.
*/
private String dateToString(Object value) {
String result = "";
if (value instanceof Date) {
result = dateFormatter.format((Date) value);
}
return result;
}
}

>
> The FAQ says to return java.util.Date to ensure proper sorting, which I am
> doing, but it doesnt sort by true date, but sorts by the toString of the
> Date.

Hmm, this should work. Could you post an example that demonstrates the issue?

Thanks,
Holger

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« Return to Thread: SWT Table and Date columns