If the expression is TRUE, render the element. If the expression
is FALSE, remove the tag and its children.
Syntax
<tag gwc:condition="expression" ...>
...
</tag>
Note:
- expression is a template expression
- When using expressions in a gwc:condition instruction,
verification is done on the value of the expression. The condition
is true if the following test is true
Table 1. Value expression
test for gwc:condition
| Expression Value Type |
Test |
| Boolean |
Expression value is true. |
| Numeric |
Expression value is not 0. (zero) |
| String |
String is not empty or "0". (zero) |
| Template path with identified node |
The identified element exists (i.e. formfield[edt1]). |
| Template path with value |
The value is not empty if it is a string, or 0
if it is a numeric or boolean value (i.e. formfield[edt1]/id). |