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Subject: Re: [office-comment] covered-table-cell

On 12/17/2014 07:05 PM, Zorg wrote:
Thanks for your reply,

I'm confused, shouldn't
  <t:covered-table-cell t:number-columns-repeated="2"/>
from your first example be
  <t:covered-table-cell t:number-columns-repeated="1"/>
or just
Because the previous cell only spans across 2 cols.. unless I'm
misunderstanding something?

You are right, I mixed up the values for columns and rows in the first example. The numbers are correct in the second example.

A second attempt:

     <t:table-cell t:number-rows-spanned="2" t:number-columns-spanned="3"/>
     <t:covered-table-cell t:number-columns-repeated="2"/>
     <t:covered-table-cell t:number-columns-repeated="3"/>

Since I didn't (fully) support the number-rows-span attribute (only
read/write it), I'll come back to the covered-table-cell
question later (after I try adding full support for number-rows-span),
if you don't mind?

Of course. That is fine.

On Wed, Dec 17, 2014 at 12:11 PM, Jos van den Oever
<jos.van.den.oever@kogmbh.com> wrote:
On 12/17/2014 04:44 AM, Zorg wrote:

I'm writing a Qt library for .ods files, available at:

Can you please explain why one needs a special type
of cell (covered-table-cell) to designate the cells that
are next to the spanned ones?

I mean programmatically it's easy/possible to figure it out which
cells are covered, hence apparently the office suit shouldn't need a
hint for this.

It is indeed possible to calculate the positions of cells by evaluating all
the table:number-columns-spanned and table:number-rows-spanned attributes.
Infering the empty positions is quite cheap to do for the
table:number-columns-spanned attribute, but requires iterating through
previous rows for the table:number-rows-spanned attribute.

You can reduce the number of required table:covered-table-cell elements by
using them like this:

    <t:table-cell t:number-rows-spanned="3" t:number-columns-spanned="2"/>
    <t:covered-table-cell t:number-columns-repeated="2"/>
    <t:table-cell t:number-rows-spanned="3"/>
    <t:covered-table-cell t:number-columns-repeated="2"/>

The explanation in version 1.0 of the specification adds:
   "The <table:covered-table-cell> is especially used by spreadsheet
    applications, where it is a common use case that a covered cell
    contains content."

Here is a real world example for row 1 and 2 in a spreadsheet:

     <table:table-cell table:formula="of:=[.B1]"
        table:number-columns-spanned="3" table:number-rows-spanned="2"/>
    <table:covered-table-cell office:value-type="string">
     <table:covered-table-cell table:number-columns-repeated="3"/>

As you can see, the word 'hello' from hidden cell b1 is also shown in cell


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