slideshow: Multiple files support

1 files changed, 44 insertions, 6 deletions

diff --git a/nodes/slideshow.lua b/nodes/slideshow.lua
index f6c778b..08e7200 100644
--- a/nodes/slideshow.lua
+++ b/nodes/slideshow.lua
@@ -1,23 +1,61 @@
 local node = Node:extend('nodes.slideshow', {})
 
-local smallFont = love.graphics.newFont('fonts/Lato-Light.ttf', 60)
+local smallFont = love.graphics.newFont('fonts/Lato-Light.ttf', 50)
 
 function node:init(config)
   self.super:init(config)
-  if (self.fileName ~= Nil) and (love.filesystem.exists( self.fileName )) then
+  self:loadImage()
+end
+
+function node:loadImage()
+  local files = self:processFiles(self.files)
+  if files ~= nil then
+    if self.fileName then
+      self.fileName = files[(lume.find(self.files, self.fileName) or 1) % #self.files + 1]
+    else
+      self.fileName = files[1]
+    end
+  end
+
+  if self.fileName ~= nil and love.filesystem.exists( self.fileName ) then
     self.image = love.graphics.newImage( self.fileName )
   else
-    self.image = Nil
+    self.image = nil
   end
 end
 
+function node:processFiles(files)
+  local nFiles = {}
+
+  for _, f in ipairs(files) do
+    if love.filesystem.isDirectory(f) then
+      print(f, "is directory")
+      for _, nf in ipairs(love.filesystem.getDirectoryItems(f)) do
+        print(nf, "hey")
+        if love.filesystem.isFile(f .. "/" .. nf) then
+          nFiles[#nFiles + 1] = f .. "/" .. nf
+        end
+      end
+    else
+      print(f, "is file")
+      nFiles[#nFiles + 1] = f
+    end
+  end
+  print("expanded to: ", inspect(nFiles))
+  return nFiles
+end
+
+function node:beforeEnter()
+  self:loadImage()
+end
+
 function node:render()
   love.graphics.setColor( 0, 0, 0 )
   love.graphics.rectangle("fill", 0, 0, love.graphics.getWidth(), love.graphics.getHeight())
-  if self.image == Nil then
+  if self.image == nil then
     love.graphics.setFont(smallFont);
-    love.graphics.setColor( 255, 255, 255 )
-    love.graphics.printf('File not found.', 0, love.graphics.getHeight()/2 , love.graphics.getWidth(), 'center');
+    love.graphics.setColor( 255, 255, 255, 120 )
+    love.graphics.printf('File not found:\n' .. tostring(self.fileName), 0, love.graphics.getHeight()*0.7 , love.graphics.getWidth(), 'center');
   else
     love.graphics.setColor( 255, 255, 255 )
     love.graphics.draw( self.image, love.graphics.getWidth()/2, love.graphics.getHeight()/2, 0, 1, 1, self.image:getWidth()/2, self.image:getHeight()/2 )