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-- Copyright 2000 Richie Bielak and others
-- Licensed under Eiffel Forum Freeware License, version 1;
-- (see forum.txt)
--
class TREE_CHANGED_CMD
inherit
GTK_COMMAND
redefine
parent
end
creation
make
feature
parent: GTK_TREE
tree_widgets: CREATE_TREE_CMD
make (cmd: like tree_widgets) is
do
tree_widgets := cmd
end
execute is
local
nb_selected: INTEGER
do
if parent.selection /= Void then
nb_selected := parent.selection.length
end
print ("selection_changed: ")
print (nb_selected)
print ("%N")
if nb_selected = 0 then
if parent.count = 0 then
tree_widgets.add_button.set_sensitive (True)
else
tree_widgets.remove_button.set_sensitive (False)
tree_widgets.add_button.set_sensitive (False)
tree_widgets.subtree_button.set_sensitive (False)
end
else
tree_widgets.remove_button.set_sensitive (True)
tree_widgets.add_button.set_sensitive (nb_selected = 1)
tree_widgets.subtree_button.set_sensitive (nb_selected = 1)
end
end
end
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