Also, using the .element() and .elements() methods provides some powerful options for searching the DOM -- see http://web2py.com/book/default/chapter/05#Server-side-DOM-and-Parsing.
Anthony On Friday, November 11, 2011 5:37:52 PM UTC-5, Cliff wrote: > > Props to Richard Vezina for posting a similar technique. This is > built on his post > > From the book we know that, "Components' objects can be referenced via > their position, and helpers act as lists with respect to their > components." > > A little archaeology in the source code tells us that SQLFORM.grid > emits a DIV object. When there's an index table involved, the DIV has > three components: a DIV, a DIV containing a TABLE and another DIV. > > # first we get the grid > grid = SQLFORM.grid(query) > > # examine the div at the top of the grid div > # for index lists, this div is of the class 'console', > # so look for 'console' near the start of the div > # there is CERTAINLY a better way to detect an index table, but > this works > if 'console' in str(grid[0])[0:35]: > ## grid[1][0][1] is the DIV, TABLE and TBODY > ## so we iterate over TRs in the table body > for row in grid[1][0][1]: > ## TR acts like a list, so we use some Python list fu > row.insert(-1, 'foo') > return dict(grid=grid) > > Done. Haven't cleaned up the table head yet, but it should be > similar. >
