Implemented client_serverlist module! Close #200

* Will store servers that are not already in the list when logging in
* Can add servers manually if required too
* Fixed a bug in table.size

modules/client_serverlist/serverlist.lua

@@ -0,0 +1,127 @@
+ServerList = {}
+
+-- private variables
+local serverListWindow = nil
+local serverTextList = nil
+local servers = {}
+
+-- private functions
+function getServer(host)
+  for k,server in pairs(servers) do
+    if server.host == host then
+      return server
+    end
+  end
+end
+
+function getServerKey(host)
+  for k,server in pairs(servers) do
+    if server.host == host then
+      return k
+    end
+  end
+end
+
+-- public functions
+function ServerList.init()
+  serverListWindow = g_ui.displayUI('serverlist')
+  serverTextList = serverListWindow:getChildById('serverList')
+
+  servers = g_settings.getNode('ServerList') or {}
+  ServerList.load()
+end
+
+function ServerList.terminate()
+  ServerList.destroy()
+
+  g_settings.setNode('ServerList', servers)
+
+  ServerList = nil
+end
+
+function ServerList.load()
+  for k,server in pairs(servers) do
+    ServerList.add(server.host, server.port, server.protocol, true)
+  end
+end
+
+function ServerList.select()
+  local selected = serverTextList:getFocusedChild()
+  if selected then
+    local server = servers[getServerKey(selected:getId())]
+    if server then
+      EnterGame.setDefaultServer(server.host, server.port, server.protocol)
+      EnterGame.setAccountName(server.account)
+      EnterGame.setPassword(server.password)
+      ServerList.hide()
+    end
+  end
+end
+
+function ServerList.add(host, port, protocol, load)
+  if not load and getServerKey(host) then
+    return false, 'Server already exists'
+  elseif host == '' or port == '' then
+    return false, 'Required fields are missing'
+  end
+  local widget = g_ui.createWidget('ServerWidget', serverTextList)
+  widget:setId(host)
+  
+  if not load then
+    servers[table.size(servers)+1] = {
+      host = host,
+      port = port,
+      protocol = protocol,
+      account = '',
+      password = ''
+    }
+  end
+
+  local details = widget:getChildById('details')
+  details:setText(host..':'..port)
+
+  local proto = widget:getChildById('protocol')
+  proto:setText(protocol)
+
+  connect(widget, { onDoubleClick = function () ServerList.select() return true end } )
+  return true
+end
+
+function ServerList.remove(host)
+  servers[getServerKey(host)] = nil
+end
+
+function ServerList.destroy()
+  if serverListWindow then
+    serverTextList = nil
+    serverListWindow:destroy()
+    serverListWindow = nil
+  end
+end
+
+function ServerList.show()
+  if g_game.isOnline() then
+    return
+  end
+  serverListWindow:show()
+  serverListWindow:raise()
+  serverListWindow:focus()
+end
+
+function ServerList.hide()
+  serverListWindow:hide()
+end
+
+function ServerList.setServerAccount(host, account)
+  local key = getServerKey(host)
+  if servers[key] then
+    servers[key].account = account
+  end
+end
+
+function ServerList.setServerPassword(host, password)
+  local key = getServerKey(host)
+  if servers[key] then
+    servers[key].password = password
+  end
+end