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-rw-r--r--builtin/fstk/dialog.lua69
1 files changed, 69 insertions, 0 deletions
diff --git a/builtin/fstk/dialog.lua b/builtin/fstk/dialog.lua
new file mode 100644
index 000000000..214b0388f
--- /dev/null
+++ b/builtin/fstk/dialog.lua
@@ -0,0 +1,69 @@
+--Minetest
+--Copyright (C) 2014 sapier
+--
+--self 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.
+--
+--self 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 self 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