On Feb 19, 2008, at 3:30 PM, Steve Blatman wrote:
I need help with a couple of types of rules.
1. I have a keyword in a field, and I need to include either nothing,
or one of several paragraphs of fixed text, depending on the keyword.
You want to use some logic like this:
var result = "";
switch (Field("MyField").toLowerCase())
{
case "hello":
result += "Welcome to my rule!";
break;
case "goodbye":
result + "Thanks for visiting!";
break;
default:
result += "Say what?";
break;
}
return result;
2. If a particular field is not empty, I need to include several
lines of text, including both fixed words and the contents of several
fields. If the first field is empty, the whole block is left out.
if (Field("MyField"))
result += "Field is not empty"; // etc.
// else do nothing if field IS empty
3. Again, depending on a keyword in a field, I need to include or not
include a block of text that contains both fixed text and the
contents of several fields.
It's just a matter of concatenating whatever literal text you want to
return with calls to the Field function.
result += "My field value is: " + Field("MyField");
// etc.
Alternately, you can define Formatted Text Resources, and include
field values with the "Insert" button in the Variable Text Editor,
just like in a text frame. Then you can bring in the resources based
on the logic in a rule, for example:
if (Field("MyField") == "1")
return Resource("Offer1");
//etc.
In short, I need to build a page in a document, and what goes on that
page depends on the contents of a few fields, but each of those
fields needs to trigger the presence or absence of a block of several
lines of text that may include other variables.
This is pretty much what VDP is all about!
I'm not a novice at programming, but I could use a few hints, since
I'm not very good at finding things in the manual when I have a
customer calling about deadlines....
Take a look at the samples and tutorials. The Cell Phone tutorial has
some examples that seem similar to what you're trying to do,
especially in the "Letter" and "Long Offer" rules.
Dan
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