mirror of https://github.com/koreader/koreader
MenuSorter: initial implementation
* Menus are now sanely configurable * Custom separator placement for clearer menuspull/2677/head
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f2f0c376fa
commit
5b20106db7
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local DataStorage = require("datastorage")
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local DEBUG = require("dbg")
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local MenuSorter = {
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menu_table = {},
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sub_menus = {},
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separator = {
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text = "KOMenu:separator",
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},
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sub_menu_position,
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}
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-- thanks to http://stackoverflow.com/a/4991602/2470572
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-- no need to load lfs here
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local function file_exists(name)
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local f=io.open(name,"r")
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if f~=nil then io.close(f) return true else return false end
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end
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function MenuSorter:readMSSettings(table)
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local menu_order = DataStorage:getSettingsDir().."/menu_order"
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if file_exists(menu_order..".lua") then
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return require(menu_order) or {}
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else
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return {}
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end
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end
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function MenuSorter:sort(item_table, order)
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DEBUG(item_table, order)
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--local menu_table = {}
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--local separator = {
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--text = "KOMenu:separator",
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--}
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DEBUG("menu before user order", order)
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-- take care of user customizations
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local user_order = self:readMSSettings(item_table_name)
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if user_order then
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for user_order_id,user_order_item in pairs(user_order) do
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for order_id, order_item in pairs (order) do
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if user_order_id == order_id then
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order[order_id] = user_order[order_id]
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end
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end
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end
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end
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DEBUG("menu after user order", order)
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--self.menu_table = self:magic(item_table, order)
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self:magic(item_table, order)
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DEBUG("after sort",self.menu_table["KOMenu:menu_buttons"])
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-- deal with leftovers
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return self.menu_table["KOMenu:menu_buttons"]
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end
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function MenuSorter:magic(item_table, order)
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local tmp_menu_table = {}
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-- the actual sorting of menu items
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for order_id, order_item in pairs (order) do
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DEBUG("order_id",order_id)
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DEBUG("order_item",order_item)
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DEBUG("item_table[order_id]",item_table[order_id])
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-- user might define non-existing menu item
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if item_table[order_id] ~= nil then
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--menu_table[order_id] = item_table[order_id]
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--item_table[order_id] = nil
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self.menu_table[order_id] = item_table[order_id]
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self.menu_table[order_id].id = order_id
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--item_table[order_id].processed = true
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DEBUG("self.menu_table[order_id]",self.menu_table[order_id])
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for order_number,order_number_id in ipairs(order_item) do
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DEBUG("order_number,order_number_id", order_number,order_number_id)
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-- this is a submenu, mark it for later
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if order[order_number_id] then
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table.insert(self.sub_menus, order_number_id)
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self.menu_table[order_id][order_number] = {
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id = order_number_id,
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--sub = true,
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}
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-- regular, just insert a menu action
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else
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--self.menu_table[order_id] = tmp_menu_table[order_id]
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if order_number_id == "----------------------------" then
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-- it's a separator
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self.menu_table[order_id][order_number] = self.separator
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elseif item_table[order_number_id] ~= nil then
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item_table[order_number_id].id = order_number_id
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self.menu_table[order_id][order_number] = item_table[order_number_id]
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item_table[order_number_id] = nil
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end
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end
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end
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else
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DEBUG("menu id not found:", order_id)
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end
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end
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--attach orphans based on menu_hint
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-- now do the submenus
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DEBUG("SUBMENUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUS")
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DEBUG("self.sub_menus", self.sub_menus)
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for i,sub_menu in ipairs(self.sub_menus) do
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self.sub_menu_position = {}
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self:findById(self.menu_table["KOMenu:menu_buttons"], sub_menu)
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if self.sub_menu_position and self.sub_menu_position.id then
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self.sub_menu_position.sub_item_table = self.menu_table[sub_menu]
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self.menu_table[sub_menu] = nil
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end
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end
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-- @TODO avoid this extra mini-loop
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-- cleanup, top-level items shouldn't have sub_item_table
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for i,top_menu in ipairs(self.menu_table["KOMenu:menu_buttons"]) do
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self.menu_table["KOMenu:menu_buttons"][i] = self.menu_table["KOMenu:menu_buttons"][i].sub_item_table
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end
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end
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function MenuSorter:findById(tbl, needle_id, result)
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--DEBUG("TBL given",tbl)
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for k,v in pairs(tbl) do
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if #self.sub_menu_position == 1 then
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break
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end
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--DEBUG("FINDBYID:", needle_id, "current:", k,v)
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if type(k) == "number" or k == "sub_item_table" then
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if v.id == needle_id then
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DEBUG("FOUND IT FOUND IT FOUND IT FOUND IT FOUND IT FOUND IT FOUND IT FOUND IT FOUND IT FOUND IT ", v.id)
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self.sub_menu_position = v
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break
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elseif type(v) == "table" and v.id then
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DEBUG("GOING DEEPER", v.id)
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self:findById(v, needle_id)
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end
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end
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end
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end
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return MenuSorter
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