113 lines
4.8 KiB
Lua
113 lines
4.8 KiB
Lua
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-- helper function:
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-- create a formspec dropdown list with player names (first entry: Add player) and
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-- an option to delete players from that list
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-- Note: With the what_is_the_list_about-parameter, it is possible to handle i.e. variables as well
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yl_speak_up.create_dropdown_playerlist = function(player, pname,
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table_of_names, index_selected,
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start_x, start_y, stretch_x, h, dropdown_name, what_is_the_list_about, delete_button_text,
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field_name_for_adding_player, explain_add_player,
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field_name_for_deleting_player, explain_delete_player)
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local text = "dropdown["..tostring(start_x)..","..tostring(start_y)..";"..
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tostring(3.8 + stretch_x)..","..tostring(h)..";"..
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tostring(dropdown_name)..";Add "..tostring(what_is_the_list_about)..":"
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-- table_of_names is a table with the playernames as keys
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-- we want to work with indices later on; in order to be able to do that reliably, we
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-- need a defined order of names
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local tmp_list = yl_speak_up.sort_keys(table_of_names, true)
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for i, p in ipairs(tmp_list) do
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text = text..","..minetest.formspec_escape(p)
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end
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-- has an entry been selected?
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if(not(index_selected) or index_selected < 0 or index_selected > #tmp_list+1) then
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index_selected = 1
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end
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text = text..";"..tostring(index_selected)..";]"
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if(index_selected == 1) then
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-- first index "Add player" selected? Then offer a field for entering the name
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text = text.."field["..tostring(start_x + 4.0 + stretch_x)..","..tostring(start_y)..
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";"..tostring(3.5 + stretch_x)..","..tostring(h)..";"..
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tostring(field_name_for_adding_player)..";;]"..
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"tooltip["..tostring(field_name_for_adding_player)..";"..
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tostring(explain_add_player).."]"
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else
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text = text.."button["..tostring(start_x + 3.8 + stretch_x)..","..tostring(start_y)..
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";"..tostring(3.4 + stretch_x)..","..tostring(h)..";"..
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tostring(field_name_for_deleting_player)..";"..
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tostring(delete_button_text).."]"..
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"tooltip["..tostring(field_name_for_deleting_player)..";"..
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tostring(explain_delete_player).."]"
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end
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return text
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end
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-- inserts buttons into formspec which allow to select previous/next entry, to go back,
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-- create new entries, delete entries and select entries from a dropdown menu;
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-- returns the currently selected entry or nil (=create new entry)
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-- Note: Designed for a formspec of size "size[18,12]"
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yl_speak_up.get_fs_manage_general = function(player, param,
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formspec, list_of_entries,
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text_add_new, tooltip_add_new,
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what_is_the_list_about,
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tooltip_add_entry_general, tooltip_del_entry_general)
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local selected = nil
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local pname = player:get_player_name()
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-- the yl_speak_up.create_dropdown_playerlist function needs a table - not a list
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local table_of_entries = {}
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for i, k in ipairs(list_of_entries) do
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table_of_entries[ k ] = true
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end
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-- "Add variable:" is currently selected
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if(not(yl_speak_up.speak_to[pname].tmp_index_general)
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or yl_speak_up.speak_to[pname].tmp_index_general == 1
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or not(list_of_entries[ yl_speak_up.speak_to[pname].tmp_index_general - 1])) then
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yl_speak_up.speak_to[pname].tmp_index_general = 1
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table.insert(formspec, "button[12.2,2.15;2.5,0.6;add_list_entry;")
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table.insert(formspec, minetest.formspec_escape(text_add_new))
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table.insert(formspec, "]")
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table.insert(formspec, "tooltip[add_list_entry;")
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table.insert(formspec, minetest.formspec_escape(tooltip_add_new))
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table.insert(formspec, "]")
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else
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-- index 1 is "Add variable:"
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selected = list_of_entries[ yl_speak_up.speak_to[pname].tmp_index_general - 1]
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end
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if(yl_speak_up.speak_to[pname].tmp_index_general > 1) then
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table.insert(formspec, "button[4.0,0.2;2.0,0.6;prev;< Prev]"..
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"button[4.0,11.0;2.0,0.6;prev;< Prev]")
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end
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if(yl_speak_up.speak_to[pname].tmp_index_general <= #list_of_entries) then
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table.insert(formspec, "button[12.0,0.2;2.0,0.6;next;Next >]"..
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"button[12.0,11.0;2.0,0.6;next;Next >]")
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end
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table.insert(formspec, "button[0.0,0.2;2.0,0.6;back;Back]"..
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"button[8.0,11.0;2.0,0.6;back;Back]")
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local what = minetest.formspec_escape(what_is_the_list_about)
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table.insert(formspec, "label[7.0,0.4;* Manage your ")
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table.insert(formspec, what)
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table.insert(formspec, "s *]")
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table.insert(formspec, "label[0.2,2.45;Your ")
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table.insert(formspec, what)
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table.insert(formspec, ":]")
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-- offer a dropdown list and a text input field for new varialbe names for adding
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table.insert(formspec, yl_speak_up.create_dropdown_playerlist(
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player, pname,
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table_of_entries,
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yl_speak_up.speak_to[pname].tmp_index_general,
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2.6, 2.15, 1.0, 0.6,
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"list_of_entries",
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what,
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"Delete selected "..what,
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"add_entry_general",
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minetest.formspec_escape(tooltip_add_entry_general),
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"del_entry_general",
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minetest.formspec_escape(tooltip_del_entry_general)
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))
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-- either nil or the text of the selected entry
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return selected
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end
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