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--Minetest
--Copyright (C) 2014 sapier
--
--This program is free software; you can redistribute it and/or modify
--it under the terms of the GNU Lesser General Public License as published by
--the Free Software Foundation; either version 2.1 of the License, or
--(at your option) any later version.
--
--this program is distributed in the hope that it will be useful,
--but WITHOUT ANY WARRANTY; without even the implied warranty of
--MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
--GNU Lesser General Public License for more details.
--
--You should have received a copy of the GNU Lesser General Public License along
--with this program; if not, write to the Free Software Foundation, Inc.,
--51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
local function dialog_event_handler(self,event)
if self.user_eventhandler == nil or
self.user_eventhandler(event) == false then
--close dialog on esc
if event == "MenuQuit" then
self:delete()
return true
end
end
end
local dialog_metatable = {
eventhandler = dialog_event_handler,
get_formspec = function(self)
if not self.hidden then return self.formspec(self.data) end
end,
handle_buttons = function(self,fields)
if not self.hidden then return self.buttonhandler(self,fields) end
end,
handle_events = function(self,event)
if not self.hidden then return self.eventhandler(self,event) end
end,
hide = function(self) self.hidden = true end,
show = function(self) self.hidden = false end,
delete = function(self)
if self.parent ~= nil then
self.parent:show()
end
ui.delete(self)
end,
set_parent = function(self,parent) self.parent = parent end
}
dialog_metatable.__index = dialog_metatable
function dialog_create(name,get_formspec,buttonhandler,eventhandler)
local self = {}
self.name = name
self.type = "toplevel"
self.hidden = true
self.data = {}
self.formspec = get_formspec
self.buttonhandler = buttonhandler
self.user_eventhandler = eventhandler
setmetatable(self,dialog_metatable)
ui.add(self)
return self
end
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