| 7 |
|
# --------- |
| 8 |
|
# new(UserInterface) : A new query object with a specific interface |
| 9 |
|
# setparam(name,value) : set a parameter |
| 10 |
+ |
# setifundef(name,value) : only set param to value if undefined |
| 11 |
|
# getparam(name) : return value of named parameter |
| 12 |
|
# clearquery() : remove all queries to be asked |
| 13 |
|
# setquery($type,$parameter,@args) : register a query of type for $parameter |
| 38 |
|
$self->{params}{$name}=$value; |
| 39 |
|
} |
| 40 |
|
|
| 41 |
+ |
sub setifundef { |
| 42 |
+ |
my $self=shift; |
| 43 |
+ |
my $name=shift; |
| 44 |
+ |
my $value=shift; |
| 45 |
+ |
|
| 46 |
+ |
if ( ! defined $self->getparam($name) ) { |
| 47 |
+ |
$self->setparam($name, $value); |
| 48 |
+ |
} |
| 49 |
+ |
} |
| 50 |
+ |
|
| 51 |
|
sub getparam { |
| 52 |
|
my $self=shift; |
| 53 |
|
my $name=shift; |
