instead of hardcoding the value as
<binding name="columns"
value="literal:!orderId:#
:orderId, ?
filename, ?
size, ?
!delete: :delete, ?
!moveUp: :moveUp, ?
!moveDown: :moveDown"/>
you should do this
<binding name="columns" value="ognl:tableColumns"/>
and then on the enclosing component/page have a getTableColumns() method
that returns the formed string
On 8/23/06, [EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote:
Hi,
I've simplified this example code to make things (hopefully) clearer,
because what I think I'm trying to do shouldn't be too hard...
I have a page with a custom component that uses the Table component to
render a list of files that a user has uploaded to my system.
On one screen, I want to show columns like this:
| # | Filename | Size | Delete | Move Up | Move Down |
On the next screen, I want to show columns like this:
| Id | Filename | Size | PDF Version |
The two pages are really operating on the same Collection of files, but
between the first and second pages, I do a bunch of processing on the
Collection and assign an ID to each file. (The "#" column on the first
page is just an ordinal numbering).
The first page is "editable" in that users can click buttons and
manipulate the Collection. The second page is "read only"-- it just
displays what they've already uploaded.
My question is: assuming I pass a "read only" parameter from the parent
page to the component like this:
<component id="uploadFileTable" type="UploadFileTable">
<binding name="files" value="files"/>
<binding name="readonly" value="false"/> <!--- !!!
</component>
How do I dynamically adjust the binding value for "columns" within the
component's .jwc file?
<component id="table" type="contrib:Table">
<binding name="source" value="files"/>
<binding name="columns"
value="literal:!orderId:#:orderId, ?
filename, ?
size, ?
!delete: :delete, ?
!moveUp: :moveUp, ?
!moveDown: :moveDown"/>
</component>
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Thanks, Karthik
