Added basic dialogs, added 'blindman' implementation of TACNET networking code, added font

lib/backend.rb

@@ -0,0 +1,49 @@
+module TAC
+  class Backend
+    attr_reader :config, :tacnet
+    def initialize
+      @config = load_config
+      @tacnet = TACNET.new
+    end
+
+    def load_config
+      if File.exist?(TAC::CONFIG_PATH)
+        JSON.parse(File.read( TAC::CONFIG_PATH ))
+      else
+        write_default_config
+        load_config
+      end
+    end
+
+    def write_default_config
+      File.open(TAC::CONFIG_PATH, "w") do |f|
+        f.write JSON.dump(
+          {
+            config: {
+              spec_version: TAC::CONFIG_SPEC_VERSION,
+              hostname: TACNET::DEFAULT_HOSTNAME,
+              port: TACNET::DEFAULT_PORT,
+              presets: [],
+            },
+            data: {
+              groups: [],
+              actions: [],
+              values: [],
+            },
+          }
+        )
+      end
+    end
+
+    def refresh_config
+      load_config
+
+      $window.states.clear
+      $window.push_state(Editor)
+    end
+
+    def refresh_tacnet_status
+      $window.current_state.refresh_tacnet_status
+    end
+  end
+end