Lua

Other Lua files

• KwikshelfPlugin is updated via CoronaLab’s market system, Book01, Boo02, BookTOC projects are normal Kwik projects you can maintain with the latest Kwik

• extlib folder in BookshelfEmbedded is maintained in GitHub and the latest files are available in GitHub

  • https://github.com/kwiksher/Bookshelf
    • BookshelfEmbedded/extlib

• extlib/spinner.lua

if you want to change the spinner animation during downloading the contents, please edit spinner.lua in extlib folder

local M = {}

function M.new (host)
    local obj = {}
    local spinner
    obj.host = host
    --
    function obj:show(host)
        if not spinner then
            spinner = display.newGroup()
            local hostName = host or obj.host or ""
            --Place a progress spinner on screen and tell the user the app is contating the store
            local spinnerBackground = display.newRect(0,0,360,600)
            spinnerBackground:setFillColor(1,1,1,0.75)
            --Spinner consumes all taps so the user cannot tap the purchase button twice
            spinnerBackground:addEventListener("tap", function() return true end)
            local spinnerText = display.newText("Contacting " .. hostName .. "...", 0, -20, native.systemFont, 18)
            spinnerText:setFillColor(0,0,0)
            --Add a little spinning rectangle
            local spinnerRect = display.newRect(0, 0,35,35)
            spinnerRect:setFillColor(0.25,0.25,0.25)
            transition.to(spinnerRect, { time=4000, rotation=360, iterations=999999, transition=easing.inOutQuad})
            --Create a group and add all these objects to it
            spinner:insert(spinnerBackground)
            spinner:insert(spinnerText)
            spinner:insert(spinnerRect)
            spinner.x, spinner.y = _W/2, _H/2
        end
    end
    --
    function obj:remove()
        print("remove")
        if (spinner) then
            spinner:removeSelf()
            spinner=nil
        end
    end

    return obj
end

return M

• updateText

  • startTime: the start time of a book download
  • size: the size in progress
  • bookSize:the total size of assets of a book

  function obj:updateText()
      local percent = self.size/self.bookSize
      local sec     = os.difftime( os.time(), self.startTime) 
      local remain  = math.floor(sec * (1.0/percent))
      local time    = os.date("*t", remain)
      self.spinnerText.text = math.floor(percent*100).." % (" ..self.size .."/" ..self.bookSize .." Mb) \n left " ..time.min..":"..time.sec
  end
  

  

extlib/maker.lua

If there are updates of zip files in http server, the master app shows the maker below to a button.

extlib/maker.lua

• button: the download button in the dialog or the image object in the thumbnail of TOC page

• group is a sceneGroup of composer

  function M.new (button, group)
      --print(button, group)
      if button.updateMark == nil then
          local obj = display.newCircle(0,0,4)
          obj.x = button.x + button.width/2
          obj.y = button.y - button.height/2
          obj:setFillColor(1,0,0)
          group:insert(obj)
          button.updateMark = obj
      else
          button.updateMark.alpha = 1
      end
  end