fx gui with mainController and navigator (incomplete again)

voting-booth/src/main/java/meerkat/voting/gui/ui/controllersFX/MainController.java

@@ -0,0 +1,58 @@
+package meerkat.voting.gui.ui.controllersFX;
+
+/**
+ * Created by Laura on 12/16/2016.
+ */
+import javafx.fxml.FXML;
+import javafx.scene.Node;
+import javafx.scene.Parent;
+import javafx.scene.layout.StackPane;
+import meerkat.protobuf.Voting;
+import meerkat.voting.controller.callbacks.VoterCancelThrowable;
+import org.slf4j.Logger;
+import meerkat.voting.gui.ui.uicommands.ChannelChoiceUICommand;
+import meerkat.voting.gui.ui.uicommands.UICommand;
+
+import java.io.IOException;
+import java.util.List;
+
+/**
+ * Main controller class for the entire layout.
+ */
+public class MainController {
+
+    private UICommand currentCommand;
+
+    /** Holder of a switchable vista. */
+    @FXML
+    private StackPane vistaHolder;
+
+    /**
+     * Replaces the vista displayed in the vista holder with a new vista.
+     *
+     * @param node the vista node to be swapped in.
+     */
+    public void setVista(Node node) {
+        vistaHolder.getChildren().setAll(node);
+    }
+
+    public void setCurrentCommand(UICommand command) {
+        this.currentCommand = command;
+    }
+
+    public UICommand getCurrentCommand() {
+        while (this.currentCommand==null) {
+            ;
+        }
+        return this.currentCommand;
+    }
+
+    public void showChannelChoiceScreen(ChannelChoiceUICommand command, Logger logger) {
+        this.currentCommand = command;
+        System.out.println("in FX showChannelChoiceScreen");
+//        UIUtils.assertQuestionsAreValid (command.getQuestions(), logger);
+
+        VistaNavigator.loadVista(VistaNavigator.CHANNEL_CHOICE);
+    }
+
+}

voting-booth/src/main/java/meerkat/voting/gui/ui/controllersFX/Vista1Controller.java

@@ -0,0 +1,23 @@
+package meerkat.voting.gui.ui.controllersFX;
+
+/**
+ * Created by Laura on 12/16/2016.
+ */
+import javafx.event.ActionEvent;
+import javafx.fxml.FXML;
+
+/**
+ * Controller class for the first vista.
+ */
+public class Vista1Controller {
+
+    /**
+     * Event handler fired when the user requests a new vista.
+     *
+     */
+    @FXML
+    void nextPane() {
+        VistaNavigator.loadVista(VistaNavigator.VISTA_2);
+    }
+
+}