ruby-****@sourc*****
ruby-****@sourc*****
2012年 10月 9日 (火) 08:57:51 JST
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REMOTE_ADDR = 184.145.82.7
REMOTE_HOST =
URL = http://ruby-gnome2.sourceforge.jp/hiki.cgi?tut-gtk2-treev-spbttr
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@@ -17,16 +17,18 @@
#!/usr/bin/env ruby
require 'gtk2'
- # Add three columns to the tree view. The first of the three
+
+ # Add three columns to the tree view. The first of the three
# columns will be displayed as the toggle button, the second
# column will be an editable spin button and the last column
# will be the name of the product category or the product to buy.
-
def setup_tree_view(treeview)
- renderer = Gtk::CellRendererToggle.new
- column = Gtk::TreeViewColumn.new("Buy", renderer, "active" => BUY_COLUMN)
- renderer.activatable = true
+ renderer = Gtk::CellRendererToggle.new
+ column = Gtk::TreeViewColumn.new("Buy", renderer, "active" => BUY_COLUMN)
+ column.set_cell_data_func(renderer) do |tvc, cell, model, iter|
+ iter[BUY_COLUMN] = any_child_set_to_buy(iter) if iter.has_child?
+ end
renderer.signal_connect('toggled') do |w, path|
iter = treeview.model.get_iter(path)
iter[BUY_COLUMN] = !iter[BUY_COLUMN] if (iter)
@@ -43,8 +45,10 @@
iter[COUNT_COLUMN] = new_text.to_i
end
- # renderer.editable = true
- column = Gtk::TreeViewColumn.new("Count-spin", renderer, "text" => COUNT_COLUMN)
+ # renderer.editable = true # not needed!
+ column = Gtk::TreeViewColumn.new("Count", renderer, "text" => COUNT_COLUMN)
column.set_cell_data_func(renderer) do |tvc, cell, model, iter|
cell.editable = iter.has_child? ? false : true
fix_parents_total(iter) if !iter.has_child?
@@ -56,14 +58,24 @@
treeview.append_column(column)
end
+ def any_child_set_to_buy(parent)
+ tmp_iter = parent.first_child
+ return true if tmp_iter[BUY_COLUMN]
+ (return true if tmp_iter[BUY_COLUMN]) while tmp_iter.next!
+ return false
+ end
+
def fix_parents_total(iter)
parent = iter.parent
tmp_iter = parent.first_child
- total = 0
- total = tmp_iter[COUNT_COLUMN] if tmp_iter[BUY_COLUMN]
+ total = tmp_iter[BUY_COLUMN] ? tmp_iter[COUNT_COLUMN] : 0
(total += tmp_iter[COUNT_COLUMN] if tmp_iter[BUY_COLUMN]) while tmp_iter.next!
parent[COUNT_COLUMN] = total
end
+
+
class GroceryItem
attr_accessor :product_type, :buy, :quantity, :product