From: Lyle Johnson <lyle@...>
Date: 2002-11-05T02:40:24+09:00
Subject: Re: Fun with FX ruby....

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Mark Krell wrote:

| I'm want to dynamicly add.delete rows to a table using
| FX ruby, but I'm running into some difficulty.
|
| In My dialog I have a connect for when I click an item
| in my table
|
| @table.connect(SEL_COMMAND, method(:push))
|
| which runs this method (It looks in Col 4 for the
| "add" button, adds a row, and changes the button to
| delete. If it's delete, the delete the row)

<snip>

| I'm sure I'm using FXTable::ID_INSERT_ROW and
| FXTable::ID_DELETE_ROW incorrectly, how do you use it
| correctly? How do you delete the row you are currently
|  clicking on?

FXTable::ID_INSERT_ROW and FXTable::ID_DELETE_ROW are just constants
used as message identifiers -- they aren't themselves methods that you
can call directly. The most straightforward way for you to do this from
Ruby code is to just call the insertRows() or removeRows() methods
directly on the FXTable:

~    def push(theTable, sel, currentPos)
~      row = ptr.row
~      col = ptr.col
~      return if row == 0

~      if col == 4
~        if @table.getItem(row, col).to_s == "Add"
~          @table.setItemText(row, 4, "Delete")
~          @table.insertRows(row, 1)
~          @table.setItemText(row, 0, row.to_s)
~          @table.getItem(row, 0).setButton(true)
~          @table.getItem(row, 0).justify = 0
~          @table.setItemText(row, 4, "Add")
~          @table.getItem(row, 4).setButton(true)
~          @table.getItem(row, 4).justify = 0
~        elsif @table.getItem(row, col).to_s == "Delete"
~          @table.removeRows(row, 1)
~        end
~      end
~    end

Hope this helps,

Lyle
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