How to change the background color of a cell based on other cell background

Question

Hi,
Sorry if this is a basic question - I am new to XML. I want to create a table column, with no data in it. I then want to change the background color of the column based on the background color of other columns. I.E.
- If there are 3 or less cells in this row that are not green, color this cell green.
- If there are 4 or less cells in this row that are not green, and 3 or less are not red, color this cell yellow.
- If there are 4 or less cells in this row that are not green, and 3 or more are red, color this cell red.
If there are 5 or more cells in this row that are not green, color this cell red.
Many thanks for any assistance.

Answer 1

Okay - I have this resolved.
1. Create two variables (Yellow and Red):
<?xdoxslt:set_variable($_XDOCTX, 'Yellow', 0)?>
<?xdoxslt:set_variable($_XDOCTX, 'Red', 0)
2. For each cell, set the background based on their individual traffic light criteria, and update the associated color variable by 1. By default the backgrd color is set to Yellow so I only have to check for the lower and upper bounds:
<?choose:?>
<?when:number(CHECKED_IN)<=1?>
<?attribute@incontext:background-color;'Lime'?>
<?end when?>
<?when:number(CHECKED_IN)>3?>
<?attribute@incontext:background-color;'Red'?>
<?xdoxslt:set_variable($_XDOCTX, 'Red', xdoxslt:get_variable($_XDOCTX, 'Red') +1)?>
<?end when?>
<?otherwise?>
<?xdoxslt:set_variable($_XDOCTX, 'Yellow', xdoxslt:get_variable($_XDOCTX, 'Yellow') +1 )?>
<?end otherwise?>
<?end choose
3. I now want a cell that is Red if any of the cells in the row is red. Its yellow of there are 3 or more yellow cells in the row, and no reds. Otherwise its green. First, create an empty cell and make the default color green. Then add:
<?if: number(xdoxslt:get_variable($_XDOCTX,'Red')) > 0?>
<?attribute@incontext:background-color;'Red'?>
<?end if?>
<?if: number(xdoxslt:get_variable($_XDOCTX,'Yellow')) >= 3 and number(xdoxslt:get_variable($_XDOCTX,'Red')) = 0?>
<?attribute@incontext:background-color;'Yellow'?>
<?end if?>
4. Finally, reset the variables for the next row:
<?xdoxslt:set_variable($_XDOCTX, 'Yellow', 0)?>
<?xdoxslt:set_variable($_XDOCTX, 'Red', 0)