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authorsapier <Sapier at GMX dot net>2013-07-15 23:02:18 +0200
committerPilzAdam <pilzadam@minetest.net>2013-07-22 18:09:59 +0200
commit8a1658ec3e2d95b3646d5244120a07b8fd5c9158 (patch)
tree1769d857c0775db698f34ddc439278db72dcdb74 /builtin/mainmenu_worldlist.lua
parentbaf5614880edca12174fb79ac3bf172e0bf0366c (diff)
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filterlist api cleanup
Diffstat (limited to 'builtin/mainmenu_worldlist.lua')
-rw-r--r--builtin/mainmenu_worldlist.lua239
1 files changed, 0 insertions, 239 deletions
diff --git a/builtin/mainmenu_worldlist.lua b/builtin/mainmenu_worldlist.lua
deleted file mode 100644
index a0428dc80..000000000
--- a/builtin/mainmenu_worldlist.lua
+++ /dev/null
@@ -1,239 +0,0 @@
---------------------------------------------------------------------------------
--- Generic implementation of a filter/sortable list --
---------------------------------------------------------------------------------
-filterlist = {}
-
---------------------------------------------------------------------------------
-function filterlist.refresh(this)
- this.m_raw_list = this.m_raw_list_fct(this.m_fetch_param)
- filterlist.process(this)
-end
-
---------------------------------------------------------------------------------
-function filterlist.create(raw_fct,compare_fct,uid_match_fct,filter_fct,fetch_param)
-
- assert((raw_fct ~= nil) and (type(raw_fct) == "function"))
- assert((compare_fct ~= nil) and (type(compare_fct) == "function"))
-
- local this = {}
-
- this.m_raw_list_fct = raw_fct
- this.m_compare_fct = compare_fct
- this.m_filter_fct = filter_fct
- this.m_uid_match_fct = uid_match_fct
-
- this.m_filtercriteria = nil
- this.m_fetch_param = fetch_param
-
- this.m_sortmode = "none"
- this.m_sort_list = {}
-
- this.m_processed_list = nil
- this.m_raw_list = this.m_raw_list_fct(this.m_fetch_param)
-
- filterlist.process(this)
-
- return this
-end
-
---------------------------------------------------------------------------------
-function filterlist.add_sort_mechanism(this,name,fct)
- this.m_sort_list[name] = fct
-end
-
---------------------------------------------------------------------------------
-function filterlist.set_filtercriteria(this,criteria)
- if criteria == this.m_filtercriteria and
- type(criteria) ~= "table" then
- return
- end
- this.m_filtercriteria = criteria
- filterlist.process(this)
-end
-
---------------------------------------------------------------------------------
-function filterlist.get_filtercriteria(this)
- return this.m_filtercriteria
-end
-
---------------------------------------------------------------------------------
---supported sort mode "alphabetic|none"
-function filterlist.set_sortmode(this,mode)
- if (mode == this.m_sortmode) then
- return
- end
- this.m_sortmode = mode
- filterlist.process(this)
-end
-
---------------------------------------------------------------------------------
-function filterlist.get_list(this)
- return this.m_processed_list
-end
-
---------------------------------------------------------------------------------
-function filterlist.get_raw_list(this)
- return this.m_raw_list
-end
-
---------------------------------------------------------------------------------
-function filterlist.get_raw_element(this,idx)
- if type(idx) ~= "number" then
- idx = tonumber(idx)
- end
-
- if idx ~= nil and idx > 0 and idx < #this.m_raw_list then
- return this.m_raw_list[idx]
- end
-
- return nil
-end
-
---------------------------------------------------------------------------------
-function filterlist.get_engine_index(this,listindex)
- assert(this.m_processed_list ~= nil)
-
- if listindex ~= nil and listindex > 0 and
- listindex <= #this.m_processed_list then
- local entry = this.m_processed_list[listindex]
-
- for i,v in ipairs(this.m_raw_list) do
-
- if this.m_compare_fct(v,entry) then
- return i
- end
- end
- end
-
- return 0
-end
-
---------------------------------------------------------------------------------
-function filterlist.get_current_index(this,listindex)
- assert(this.m_processed_list ~= nil)
-
- if listindex ~= nil and listindex > 0 and
- listindex <= #this.m_raw_list then
- local entry = this.m_raw_list[listindex]
-
- for i,v in ipairs(this.m_processed_list) do
-
- if this.m_compare_fct(v,entry) then
- return i
- end
- end
- end
-
- return 0
-end
-
---------------------------------------------------------------------------------
-function filterlist.process(this)
- assert(this.m_raw_list ~= nil)
-
- if this.m_sortmode == "none" and
- this.m_filtercriteria == nil then
- this.m_processed_list = this.m_raw_list
- return
- end
-
- this.m_processed_list = {}
-
- for k,v in pairs(this.m_raw_list) do
- if this.m_filtercriteria == nil or
- this.m_filter_fct(v,this.m_filtercriteria) then
- table.insert(this.m_processed_list,v)
- end
- end
-
- if this.m_sortmode == "none" then
- return
- end
-
- if this.m_sort_list[this.m_sortmode] ~= nil and
- type(this.m_sort_list[this.m_sortmode]) == "function" then
-
- this.m_sort_list[this.m_sortmode](this)
- end
-end
-
---------------------------------------------------------------------------------
-function filterlist.size(this)
- if this.m_processed_list == nil then
- return 0
- end
-
- return #this.m_processed_list
-end
-
---------------------------------------------------------------------------------
-function filterlist.uid_exists_raw(this,uid)
- for i,v in ipairs(this.m_raw_list) do
- if this.m_uid_match_fct(v,uid) then
- return true
- end
- end
- return false
-end
-
---------------------------------------------------------------------------------
-function filterlist.engine_index_by_uid(this, uid)
- local elementcount = 0
- local elementidx = 0
- for i,v in ipairs(this.m_raw_list) do
- if this.m_uid_match_fct(v,uid) then
- elementcount = elementcount +1
- elementidx = i
- end
- end
-
-
- -- If there are more elements than one with same name uid can't decide which
- -- one is meant. This shouldn't be possible but just for sure.
- if elementcount > 1 then
- elementidx=0
- end
-
- return elementidx
-end
-
---------------------------------------------------------------------------------
--- COMMON helper functions --
---------------------------------------------------------------------------------
-
---------------------------------------------------------------------------------
-function compare_worlds(world1,world2)
-
- if world1.path ~= world2.path then
- return false
- end
-
- if world1.name ~= world2.name then
- return false
- end
-
- if world1.gameid ~= world2.gameid then
- return false
- end
-
- return true
-end
-
---------------------------------------------------------------------------------
-function sort_worlds_alphabetic(this)
-
- table.sort(this.m_processed_list, function(a, b)
- local n1 = a.name
- local n2 = b.name
- local count = math.min(#n1, #n2)
-
- for i=1,count do
- if n1:sub(i, i):lower() < n2:sub(i, i):lower() then
- return true
- elseif n1:sub(i, i):lower() > n2:sub(i, i):lower() then
- return false
- end
- end
- return (#n1 <= #n2)
- end)
-end