1. #1
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    Default Generic NumberCell

    Generic NumberCell


    Hi all,
    I can't understand why NumberCell extends the typed class AbstractCell<Number>?
    Would not be better if the class were built in this way?

    Code:
    public class NumberCell<T extends Number> extends AbstractCell<T> {
    ...
    With current implementation of NumberCell configuring ColumnConfig like this:

    Code:
    		ColumnConfig<CPP, Long> cpp2 = new ColumnConfig<CPP, Long>(props.cpp2(), 100, constants.fairValue());
    		cpp2.setCell(new NumberCell(cnfmt));
    I get this error: The method setCell(Cell<Long>) in the type ColumnConfig<CPP,Long> is not applicable for the arguments (NumberCell) because the field cpp2 is of type Long.

    The other hand with the implementation of the above, I can write something like:

    Code:
    		ColumnConfig<CPP, Long> cpp2 = new ColumnConfig<CPP, Long>(props.cpp2(), 100, constants.fairValue());
    		cpp2.setCell(new NumberCell<Long>(cnfmt));
    Can anyone tell me if I'm doing something wrong?

  2. #2
    Sencha - GXT Dev Team
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    Default


    It is that way:
    Code:
    package com.sencha.gxt.cell.core.client;
    
    //...
    
    public class NumberCell<N extends Number> extends AbstractCell<N> {
    I think you might be looking at the GWT NumberCell implementation, which does restrict you to Number:
    Code:
    package com.google.gwt.cell.client;
    
    //...
    
    /**
     * A {@link Cell} used to render formatted numbers.
     */
    public class NumberCell extends AbstractCell<Number> {

  3. #3
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    Default


    You're right, sorry for this oversight.

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