smart gwt allow only numbers in textfield

smart gwt allow only numbers in textfield
Aceptar solo numeros en un textfield en gwt smartclient


very simple MASK PROPERTY

1.         TextItem phoneNumberField = new TextItem("phoneNo", "Phone No.");  
2.         phoneNumberField.setMask("(###) ###-####");  
3.         phoneNumberField.setHint("<nobr>(###) ###-####</nobr>");

        final TextItem check4 = new TextItem();
        check4.setName("4");
        check4.setTitle("  Grupo");
        check4.setTitleOrientation(TitleOrientation.TOP);
        check4.setWidth(100);       
        check4.setValue(false);
        check4.setMask("###");


smart gwt allow only numbers in textfield
Aceptar solo numeros en un textfield en gwt smartclient

 
void com.smartgwt.client.widgets.form.fields.TextItem.setMask(String mask)


Input mask used to filter text entry.
Sample masks:

• Phone number: (###) ###-####
• Social Security number: ###-##-####
• First name: >?<??????????
• Date: ##/##/####
• State: >LL

Overview of available mask characters

Character	Description
0	Digit (0 through 9) or plus [+] or minus [-] signs
9	Digit or space
#	Digit
L	Letter (A through Z)
?	Letter (A through Z) or space
A	Letter or digit
a	Letter or digit
C	Any character or space
<	Causes all characters that follow to be converted to lowercase
>	Causes all characters that follow to be converted to uppercase

Any character not matching one of the above mask characters or that is escaped with a backslash (\) is considered to be a literal.
Custom mask characters can be defined by standard regular expression character set or range. For example, a hexadecimal color code mask could be:

• Color: \#>[0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]

Note: input mask cannot be used at the same time as a keyPressFilter. Set the mask for this item.
Note that the current value of the field is cleared when changing the mask.
Note : This is an advanced setting

Parameters:

mask mask to apply to text item. Default value is null

See Also:

Text - Masked Example