Cache Field in PageTable not supported?

[bee8bit]

Hi!

I have a PageTable which may contain pages with different templates that have different fields. The only common field is 'title' but I'd like to show some more useful information.

Template A {

(PageTitle) title,

(Integer) number_one,

(Integer) number_two

}

Template B {

(PageTitle) title,

(Textarea) body

}

I found the Cache fieldtype which can combine multiple fields. So I created a cache field named 'summary' and combined number_one, number_two and body. I configured my PageTable to show the columns 'title' and 'summary' and was expecting something similar to this:

| title      | summary                                   |
+------------+-------------------------------------------+
| page_a     | number_one: 11, number_two: 22            |
| page_b     | body: (text goes here ...)                |
+------------+-------------------------------------------+

It seems to me that PageTable does not like Cache columns. When I try to edit a page with that PageTable, it crashes:

Error: Call to a member function attr() on a non-object (line 345 of /var/www/(...)/wire/modules/Inputfield/InputfieldPageTable/InputfieldPageTable.module)

Is there a different approach for heterogeneous PageTables? A different syntax to define the columns for PageTable?

Thanks for pointers - or a patch ;-)

Martin

[LostKobrakai]

There isn't any way, that I'm aware of, to archive what you want to do. The cache fieldtype also isn't meant to be used like this. It exists to improve database querying performance on multiple textfields and not really anything more than that. It's not intended to be shown anywhere. 

[Ivan Gretsky]

You could write a module (or just a hook somewhere like site/ready.php) that would fill a (hidden?) texarea field on page save for the desired templates. That field would probably show in pagetable without an error.

[bernhard]

maybe you can use the concat field http://modules.processwire.com/modules/fieldtype-concat/

it will only work for basic output. body html-tags will be shown in the pagetable. maybe you can strip that via textformatter. for more control it would make sense to write your own module. maybe you can adjust a copy of fieldtype-concat to your needs

good luck and please share your experience with us - i will also need something very similar the next days...