cleanup: expand tab to 4 spaces

frontend/ui/reader/readertoc.lua

@@ -10,135 +10,135 @@ local Event = require("ui/event")
 local _ = require("gettext")
 
 local ReaderToc = InputContainer:new{
-	toc = nil,
-	toc_menu_title = _("Table of contents"),
+    toc = nil,
+    toc_menu_title = _("Table of contents"),
 }
 
 function ReaderToc:init()
-	if Device:hasKeyboard() then
-		self.key_events = {
-			ShowToc = {
-				{ "T" },
-				doc = _("show Table of Content menu") },
-		}
-	end
-	if Device:isTouchDevice() then
-		self.ges_events = {
-			ShowToc = {
-				GestureRange:new{
-					ges = "two_finger_swipe",
-					range = Geom:new{
-						x = 0, y = 0,
-						w = Screen:getWidth(),
-						h = Screen:getHeight(),
-					},
-					direction = "east"
-				}
-			},
-		}
-	end
-	self.ui.menu:registerToMainMenu(self)
+    if Device:hasKeyboard() then
+        self.key_events = {
+            ShowToc = {
+                { "T" },
+                doc = _("show Table of Content menu") },
+        }
+    end
+    if Device:isTouchDevice() then
+        self.ges_events = {
+            ShowToc = {
+                GestureRange:new{
+                    ges = "two_finger_swipe",
+                    range = Geom:new{
+                        x = 0, y = 0,
+                        w = Screen:getWidth(),
+                        h = Screen:getHeight(),
+                    },
+                    direction = "east"
+                }
+            },
+        }
+    end
+    self.ui.menu:registerToMainMenu(self)
 end
 
 function ReaderToc:cleanUpTocTitle(title)
-	return (title:gsub("\13", ""))
+    return (title:gsub("\13", ""))
 end
 
 function ReaderToc:onSetDimensions(dimen)
-	self.dimen = dimen
+    self.dimen = dimen
 end
 
 function ReaderToc:onUpdateToc()
-	self.toc = nil
-	return true
+    self.toc = nil
+    return true
 end
 
 function ReaderToc:fillToc()
-	self.toc = self.ui.document:getToc()
+    self.toc = self.ui.document:getToc()
 end
 
 -- _getTocTitleByPage wrapper, so specific reader
 -- can tranform pageno according its need
 function ReaderToc:getTocTitleByPage(pn_or_xp)
-	local page = pn_or_xp
-	if type(pn_or_xp) == "string" then
-		page = self.ui.document:getPageFromXPointer(pn_or_xp)
-	end
-	return self:_getTocTitleByPage(page)
+    local page = pn_or_xp
+    if type(pn_or_xp) == "string" then
+        page = self.ui.document:getPageFromXPointer(pn_or_xp)
+    end
+    return self:_getTocTitleByPage(page)
 end
 
 function ReaderToc:_getTocTitleByPage(pageno)
-	if not self.toc then
-		-- build toc when needed.
-		self:fillToc()
-	end
+    if not self.toc then
+        -- build toc when needed.
+        self:fillToc()
+    end
 
-	-- no table of content
-	if #self.toc == 0 then
-		return ""
-	end
+    -- no table of content
+    if #self.toc == 0 then
+        return ""
+    end
 
-	local pre_entry = self.toc[1]
-	for _k,_v in ipairs(self.toc) do
-		if _v.page > pageno then
-			break
-		end
-		pre_entry = _v
-	end
-	return self:cleanUpTocTitle(pre_entry.title)
+    local pre_entry = self.toc[1]
+    for _k,_v in ipairs(self.toc) do
+        if _v.page > pageno then
+            break
+        end
+        pre_entry = _v
+    end
+    return self:cleanUpTocTitle(pre_entry.title)
 end
 
 function ReaderToc:getTocTitleOfCurrentPage()
-	return self:getTocTitleByPage(self.pageno)
+    return self:getTocTitleByPage(self.pageno)
 end
 
 function ReaderToc:onShowToc()
-	if not self.toc then
-		self:fillToc()
-	end
-	-- build menu items
-	if #self.toc > 0 and not self.toc[1].text then
-		for _,v in ipairs(self.toc) do
-			v.text = ("        "):rep(v.depth-1)..self:cleanUpTocTitle(v.title)
-			v.mandatory = v.page
-		end
-	end
+    if not self.toc then
+        self:fillToc()
+    end
+    -- build menu items
+    if #self.toc > 0 and not self.toc[1].text then
+        for _,v in ipairs(self.toc) do
+            v.text = ("        "):rep(v.depth-1)..self:cleanUpTocTitle(v.title)
+            v.mandatory = v.page
+        end
+    end
 
-	local menu_container = CenterContainer:new{
-		dimen = Screen:getSize(),
-	}
+    local menu_container = CenterContainer:new{
+        dimen = Screen:getSize(),
+    }
 
-	local toc_menu = Menu:new{
-		title = _("Table of Contents"),
-		item_table = self.toc,
-		ui = self.ui,
-		width = Screen:getWidth()-50,
-		height = Screen:getHeight()-50,
-		show_parent = menu_container,
-	}
+    local toc_menu = Menu:new{
+        title = _("Table of Contents"),
+        item_table = self.toc,
+        ui = self.ui,
+        width = Screen:getWidth()-50,
+        height = Screen:getHeight()-50,
+        show_parent = menu_container,
+    }
 
-	table.insert(menu_container, toc_menu)
+    table.insert(menu_container, toc_menu)
 
-	function toc_menu:onMenuChoice(item)
-		self.ui:handleEvent(Event:new("PageUpdate", item.page))
-	end
+    function toc_menu:onMenuChoice(item)
+        self.ui:handleEvent(Event:new("PageUpdate", item.page))
+    end
 
-	toc_menu.close_callback = function()
-		UIManager:close(menu_container)
-	end
+    toc_menu.close_callback = function()
+        UIManager:close(menu_container)
+    end
 
-	UIManager:show(menu_container)
-	return true
+    UIManager:show(menu_container)
+    return true
 end
 
 function ReaderToc:addToMainMenu(tab_item_table)
-	-- insert table to main reader menu
-	table.insert(tab_item_table.navi, {
-		text = self.toc_menu_title,
-		callback = function()
-			self:onShowToc()
-		end,
-	})
+    -- insert table to main reader menu
+    table.insert(tab_item_table.navi, {
+        text = self.toc_menu_title,
+        callback = function()
+            self:onShowToc()
+        end,
+    })
 end
 
 return ReaderToc