Give deprecation warning for FusiontablesControl

Give a warning when a project that uses the FusiontablesControl is
loaded. Google will be shutting down the Fusiontables service on
December 3rd, 2019.

Change-Id: I6a56853ea8a56790495b4462b1c59d5c3059eaef

appinventor/appengine/src/com/google/appinventor/client/Ode.java

@@ -2112,6 +2112,39 @@ public class Ode implements EntryPoint {
     dialogBox.show();
   }
 
+  /**
+   * Display a dialog box with a provided warning message.
+   *
+   * @param message The message to display
+   */
+
+  public void genericWarning(String inputMessage) {
+    // Create the UI elements of the DialogBox
+    final DialogBox dialogBox = new DialogBox(false, true); // DialogBox(autohide, modal)
+    dialogBox.setStylePrimaryName("ode-DialogBox");
+    dialogBox.setText(MESSAGES.warningDialogTitle());
+    dialogBox.setHeight("100px");
+    dialogBox.setWidth("400px");
+    dialogBox.setGlassEnabled(true);
+    dialogBox.setAnimationEnabled(true);
+    dialogBox.center();
+    VerticalPanel DialogBoxContents = new VerticalPanel();
+    HTML message = new HTML("<p>" + inputMessage + "</p>");
+    message.setStyleName("DialogBox-message");
+    FlowPanel holder = new FlowPanel();
+    Button okButton = new Button("OK");
+    okButton.addClickListener(new ClickListener() {
+        public void onClick(Widget sender) {
+          dialogBox.hide();
+        }
+      });
+    holder.add(okButton);
+    DialogBoxContents.add(message);
+    DialogBoxContents.add(holder);
+    dialogBox.setWidget(DialogBoxContents);
+    dialogBox.show();
+  }
+
   /**
    * Display a Dialog box that explains that you cannot connect a
    * device or the emulator to App Inventor until you have a project

appinventor/appengine/src/com/google/appinventor/client/editor/simple/components/MockFusionTablesControl.java

@@ -5,12 +5,15 @@
 
 package com.google.appinventor.client.editor.simple.components;
 
+import com.google.appinventor.client.Ode;
 import com.google.appinventor.client.editor.simple.SimpleEditor;
 
 import com.google.appinventor.client.utils.MessageDialog;
 
 import com.google.gwt.core.client.GWT;
 
+import com.google.gwt.user.client.Command;
+import com.google.gwt.user.client.DeferredCommand;
 import com.google.gwt.user.client.ui.Image;
 
 import static com.google.appinventor.client.Ode.MESSAGES;
@@ -27,7 +30,8 @@ import static com.google.appinventor.client.Ode.MESSAGES;
 public class MockFusionTablesControl extends MockNonVisibleComponent {
 
   public static final String TYPE = "FusiontablesControl";
-  private static boolean warningGiven = false; // Whether or not we have given experimental warning
+  private static boolean warningGiven = false; // Whether or not we have given the
+                                               // deprecation warning
 
   /**
    * Creates a new instance of a non-visible component whose icon is
@@ -41,6 +45,25 @@ public class MockFusionTablesControl extends MockNonVisibleComponent {
     super(editor, type, iconImage);
   }
 
+  /**
+   * Generate a dialog box indicating that the FusiontablesControl is
+   * deprecated.
+   */
+
+  @Override
+  protected void onAttach() {
+    super.onAttach();
+    if (!warningGiven) {
+      warningGiven = true;
+      DeferredCommand.addCommand(new Command() {
+          @Override
+          public void execute() {
+            Ode.getInstance().genericWarning(MESSAGES.FusionTablesDeprecated());
+          }
+        });
+    }
+  }
+
   /**
    * Called when the component is dropped in the Designer window
    * we give a warning that FusiontablesControl is deprecated
@@ -56,4 +79,8 @@ public class MockFusionTablesControl extends MockNonVisibleComponent {
     }
   }
 
+  public static void resetWarning() {
+    warningGiven = false;
+  }
+
 }

appinventor/appengine/src/com/google/appinventor/client/editor/youngandroid/YaProjectEditor.java

@@ -19,6 +19,7 @@ import com.google.appinventor.client.editor.ProjectEditor;
 import com.google.appinventor.client.editor.ProjectEditorFactory;
 import com.google.appinventor.client.editor.simple.SimpleComponentDatabase;
 import com.google.appinventor.client.editor.simple.components.MockComponent;
+import com.google.appinventor.client.editor.simple.components.MockFusionTablesControl;
 import com.google.appinventor.client.explorer.project.ComponentDatabaseChangeListener;
 import com.google.appinventor.client.explorer.project.Project;
 import com.google.appinventor.client.explorer.project.ProjectChangeListener;
@@ -164,6 +165,7 @@ public final class YaProjectEditor extends ProjectEditor implements ProjectChang
   @Override
   public void processProject() {
     resetExternalComponents();
+    resetProjectWarnings();
     loadExternalComponents();
     callLoadProject();
   }
@@ -704,6 +706,14 @@ public final class YaProjectEditor extends ProjectEditor implements ProjectChang
     }
   }
 
+  // Resets any warnings that should be given when a project is loaded
+  // For now this is just the deprecation warning for the
+  // FusiontablesControl component.
+
+  private void resetProjectWarnings() {
+    MockFusionTablesControl.resetWarning();
+  }
+
   private void resetExternalComponents() {
     COMPONENT_DATABASE.addComponentDatabaseListener(this);
     try {