Initial commit

apps/storageActivity.lua

@@ -0,0 +1,194 @@
+require = requireInjector(getfenv(1))
+local Event = require('event')
+local UI = require('ui')
+local Peripheral = require('peripheral')
+
+if not device.monitor then
+  error('Monitor not found')
+end
+
+local me = Peripheral.getByMethod('getAvailableItems')
+if not me then
+  error("No ME peripheral attached")
+end
+
+local monitor = UI.Device({
+  deviceType = 'monitor',
+  textScale = .5
+})
+UI:setDefaultDevice(monitor)
+
+multishell.setTitle(multishell.getCurrent(), 'Storage Activity')
+UI:configure('StorageActivity', ...)
+
+-- Strip off color prefix
+local function safeString(text)
+
+  local val = text:byte(1)
+
+  if val < 32 or val > 128 then
+
+    local newText = {}
+    for i = 4, #text do
+      local val = text:byte(i)
+      newText[i - 3] = (val > 31 and val < 127) and val or 63
+    end
+    return string.char(unpack(newText))
+  end
+
+  return text
+end
+
+local changedPage = UI.Page({
+  grid = UI.Grid({
+    columns = {
+      { heading = 'Qty',    key = 'dispQty', width = 5                  },
+      { heading = 'Change', key = 'change',  width = 6                  },
+      { heading = 'Name',   key = 'name',    width = monitor.width - 15 },
+    },
+    sortColumn = 'name',
+    height = monitor.height - 6,
+  }),
+  buttons = UI.Window({
+    y = monitor.height - 5,
+    height = 5,
+    backgroundColor = colors.gray,
+    prevButton = UI.Button({
+      event = 'previous',
+      backgroundColor = colors.lightGray,
+      x = 2,
+      y = 2,
+      height = 3,
+      width = 5,
+      text = ' < '
+    }),
+    resetButton = UI.Button({
+      event = 'reset',
+      backgroundColor = colors.lightGray,
+      x = 8,
+      y = 2,
+      height = 3,
+      width = monitor.width - 14,
+      text = 'Reset'
+    }),
+    nextButton = UI.Button({
+      event = 'next',
+      backgroundColor = colors.lightGray,
+      x = monitor.width - 5,
+      y = 2,
+      height = 3,
+      width = 5,
+      text = ' > '
+    })
+  }),
+  statusBar = UI.StatusBar({
+    columns = {
+      { '', 'slots',  18 },
+      { '', 'spacer', monitor.width-36 },
+      { '', 'space',  15 }
+    }
+  }),
+  accelerators = {
+    q = 'quit',
+  }
+})
+ 
+function changedPage:eventHandler(event)
+ 
+  if event.type == 'reset' then
+    self.lastItems = nil
+    self.grid:setValues({ })
+    self.grid:clear()
+    self.grid:draw()
+
+  elseif event.type == 'next' then
+    self.grid:nextPage()
+
+  elseif event.type == 'previous' then
+    self.grid:previousPage()
+
+  elseif event.type == 'quit' then
+    Event.exitPullEvents()
+
+  else
+    return UI.Page.eventHandler(self, event)
+  end
+
+  return true
+end
+ 
+function changedPage:refresh()
+  local t = me.getAvailableItems('all')
+ 
+  if not t or Util.empty(t) then
+    self:clear()
+    self:centeredWrite(math.ceil(self.height/2), 'Communication failure')
+    return
+  end
+ 
+  for k,v in pairs(t) do
+    v.id = v.item.id
+    v.dmg = v.item.dmg
+    v.name = safeString(v.item.display_name)
+    v.qty = v.size
+  end  
+ 
+  if not self.lastItems then
+    self.lastItems = t
+    self.grid:setValues({ })
+  else
+    local changedItems = {}
+    for _,v in pairs(self.lastItems) do
+      found = false
+      for k2,v2 in pairs(t) do
+        if v.id == v2.id and
+           v.dmg == v2.dmg then
+          if v.qty ~= v2.qty then
+            local c = Util.shallowCopy(v2)
+            c.lastQty = v.qty
+            table.insert(changedItems, c)
+          end
+          table.remove(t, k2)
+          found = true
+          break
+        end
+      end
+      -- New item
+      if not found then
+        local c = Util.shallowCopy(v)
+        c.lastQty = v.qty
+        c.qty = 0
+        table.insert(changedItems, c)
+      end
+    end
+    -- No items left
+    for k,v in pairs(t) do
+      v.lastQty = 0
+      table.insert(changedItems, v)
+    end
+    for k,v in pairs(changedItems) do
+      local diff = v.qty - v.lastQty
+      local ind = '+'
+      if v.qty < v.lastQty then
+        ind = ''
+      end
+      v.change  = ind .. diff
+      v.dispQty = v.qty
+      if v.dispQty > 10000 then
+        v.dispQty = math.floor(v.qty / 1000) .. 'k'
+      end
+      v.iddmg = tostring(v.id) .. ':' .. tostring(v.dmg)
+    end
+    self.grid:setValues(changedItems)
+  end
+  self:draw()
+end
+ 
+Event.addTimer(5, true, function()
+  changedPage:refresh()
+  changedPage:sync()
+end)
+ 
+UI:setPage(changedPage)
+Event.pullEvents()
+UI.term:reset()