1 files changed, 81 insertions, 0 deletions
diff --git a/src/org/traccar/web/client/controller/LoginController.java b/src/org/traccar/web/client/controller/LoginController.java
new file mode 100644
index 00000000..ceda85cf
--- /dev/null
+++ b/src/org/traccar/web/client/controller/LoginController.java
@@ -0,0 +1,81 @@
+package org.traccar.web.client.controller;
+
+import org.traccar.web.client.Application;
+import org.traccar.web.client.model.BaseAsyncCallback;
+import org.traccar.web.client.view.LoginDialog;
+
+import com.sencha.gxt.widget.core.client.box.AlertMessageBox;
+
+public class LoginController implements LoginDialog.LoginHandler {
+
+    private LoginDialog dialog;
+
+    public interface LoginHandler {
+        public void onLogin();
+    }
+
+    private LoginHandler loginHandler;
+
+    public void login(final LoginHandler loginHandler) {
+        this.loginHandler = loginHandler;
+
+        Application.getDataService().authenticated(new BaseAsyncCallback<Boolean>() {
+            @Override
+            public void onSuccess(Boolean result) {
+                if (result) {
+                    loginHandler.onLogin();
+                } else {
+                    dialog = new LoginDialog(LoginController.this);
+                    dialog.show();
+                }
+            }
+        });
+    }
+
+    private boolean validate(String login, String password) {
+        if (login == null || login.isEmpty() || password == null || password.isEmpty()) {
+            new AlertMessageBox("Error", "User name and password must not be empty").show();
+            return false;
+        }
+        return true;
+    }
+
+    @Override
+    public void onLogin(String login, String password) {
+        if (validate(login, password)) {
+            Application.getDataService().authenticate(login, password, new BaseAsyncCallback<Boolean>() {
+                @Override
+                public void onSuccess(Boolean result) {
+                    if (result) {
+                        if (loginHandler != null) {
+                            dialog.hide();
+                            loginHandler.onLogin();
+                        }
+                    } else {
+                        new AlertMessageBox("Error", "User name or password is invalid").show();
+                    }
+                }
+            });
+        }
+    }
+
+    @Override
+    public void onRegister(String login, String password) {
+        if (validate(login, password)) {
+            Application.getDataService().register(login, password, new BaseAsyncCallback<Boolean>() {
+                @Override
+                public void onSuccess(Boolean result) {
+                    if (result) {
+                        if (loginHandler != null) {
+                            dialog.hide();
+                            loginHandler.onLogin();
+                        }
+                    } else {
+                        new AlertMessageBox("Error", "Registration error").show();
+                    }
+                }
+            });
+        }
+    }
+
+}