Jason Johnston wrote:
Imagine I have a set of form pages that are logically linked (i.e.
Page A -> Page B -> Page C etc which continue to some kind of final
processing), is it possible to present
a breadcrumb trail for the user, i.e. if they have completed Page A,
B, C,etc, can we include some kind of mechanism that will take them
back to any of the pages they have previously
filled in and be presented with their data? Will I have to bookmark
each continuation at each page so I can return to that particular
point, or is there something far simpler involved?
There are a few different ways to approach the multi-page form
problem. One of them is to use a single Form object with multiple
widget groups and use widget states to show one group at a time, which
is demonstrated in the multipage form sample:
http://cocoon.zones.apache.org/demos/release/samples/blocks/forms/do-multipage.flow
If for some reason your application requires a separate Form object
for each page, you can still accomplish the same effect, it just takes
some more creative use of flowscript to keep all the Form objects
around and switch between them. Off the top of my head something like
the following should give you a start:
function multipage_flow() {
var forms = [
new Form("form1.xml"),
new Form("form2.xml"),
new Form("form3.xml")
];
var currentFormIndex = 0;
var finished = false;
while(!finished) {
var form = forms[currentFormIndex];
form.showForm(...);
switch(String(form.submitId)) {
case "gotoNextForm":
currentFormIndex++; break;
case "gotoPreviousForm":
currentFormIndex--; break;
case "finishForm":
finished = true; break;
}
}
// all forms are completed, now handle the result...
}
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Jason - brilliant thanks - that gives me a great start...!
Duncan
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