Allow to set explicit column widths for tables

[martinsp]

Thank you for the great library!

I had to generate table where first row had a single cell with colspan set to total number of table columns. Because of this - cell code that generates <w:gridCol> elements made all the columns the same width.

This patch allows to set explicit column widths for tables by setting table_column_widths property on TableModel

Maybe there is a better approach to achieve the same result?

Example: column widths applied correctly if first row does not have cell with colspan

docx.table [['01', '02', '03'], ['11'], ['21', '22', '23']] do
  width 8000
  border_color   '666666'
  border_line    :single
  border_size    1

  cell_style cells, width: 2000
  cell_style cols[0], width: 4000
  cell_style rows[1][0], colspan: 3
end

Result

Example: column widths not applied correctly if first row has cell with colspan

docx.table [['11'], ['21', '22', '23']] do
  width 8000
  border_color   '666666'
  border_line    :single
  border_size    1

  cell_style cells, width: 2000
  cell_style cols[0], width: 4000
  cell_style rows[0][0], colspan: 3
end

Result

Example: column widths set explicity when first row has cells with colspan

docx.table [['11'], ['21', '22', '23']] do
  width 8000
  border_color   '666666'
  border_line    :single
  border_size    1
  column_widths [4000, 2000, 2000]

  cell_style rows[0][0], colspan: 3
end

Result

[jdugan]

Hei, Martins.

Thanks for the contribution. I'm booked solid this coming week, so don't be discouraged if it takes me a while to review the PR and provide feedback. You're in my mental queue--I'll circle back. :)

Thanks,
John

[martinsp]

Hi John,

thanks for the notice and no worries :)