1 files changed, 100 insertions, 0 deletions
diff --git a/src/se/leap/leapclient/LogInDialog.java b/src/se/leap/leapclient/LogInDialog.java
new file mode 100644
index 00000000..dcb92d89
--- /dev/null
+++ b/src/se/leap/leapclient/LogInDialog.java
@@ -0,0 +1,100 @@
+package se.leap.leapclient;
+
+import se.leap.leapclient.R;
+import android.app.Activity;
+import android.app.AlertDialog;
+import android.app.DialogFragment;
+import android.content.DialogInterface;
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.widget.EditText;
+import android.widget.Toast;
+
+/**
+ * Implements the log in dialog, currently without progress dialog.
+ * 
+ * It returns to the previous fragment when finished, and sends username and password to the authenticate method.
+ * 
+ * It also notifies the user if the password is not valid. 
+ * 
+ * @author parmegv
+ *
+ */
+public class LogInDialog extends DialogFragment {
+
+	public AlertDialog onCreateDialog(Bundle savedInstanceState) {
+		AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
+		LayoutInflater inflater = getActivity().getLayoutInflater();
+		View log_in_dialog_view = inflater.inflate(R.layout.log_in_dialog, null);
+		
+		final EditText username_field = (EditText)log_in_dialog_view.findViewById(R.id.username_entered);
+		final EditText password_field = (EditText)log_in_dialog_view.findViewById(R.id.password_entered);
+		
+		builder.setView(log_in_dialog_view)
+			.setPositiveButton(R.string.log_in_button, new DialogInterface.OnClickListener() {
+				public void onClick(DialogInterface dialog, int id) {
+					String username = username_field.getText().toString().trim();
+					String password = password_field.getText().toString().trim();
+					if(wellFormedPassword(password)) {
+						interface_with_Dashboard.authenticate(username, password);
+					} else {
+						password_field.setText("");
+						Toast.makeText(getActivity().getApplicationContext(), R.string.not_valid_password_message, Toast.LENGTH_LONG).show();
+					}
+				}
+			})
+			.setNegativeButton(R.string.cancel, new DialogInterface.OnClickListener() {
+				public void onClick(DialogInterface dialog, int id) {
+					dialog.cancel();
+				}
+			});
+		
+		return builder.create();
+	}
+
+	/**
+	 * Validates a password
+	 * @param entered_password
+	 * @return true if the entered password length is greater or equal to eight (8).
+	 */
+	private boolean wellFormedPassword(String entered_password) {
+		return entered_password.length() >= 8;
+	}
+	
+	/**
+	 * Interface used to communicate LogInDialog with Dashboard.
+	 * 
+	 * @author parmegv
+	 *
+	 */
+	public interface LogInDialogInterface {
+		/**
+		 * Starts authentication process.
+		 * @param username
+		 * @param password
+		 */
+        public void authenticate(String username, String password);
+    }
+
+	LogInDialogInterface interface_with_Dashboard;
+
+	/**
+	 * @return a new instance of this DialogFragment.
+	 */
+	public static DialogFragment newInstance() {
+		LogInDialog dialog_fragment = new LogInDialog();
+		return dialog_fragment;
+	}
+	
+    @Override
+    public void onAttach(Activity activity) {
+        super.onAttach(activity);
+        try {
+        	interface_with_Dashboard = (LogInDialogInterface) activity;
+        } catch (ClassCastException e) {
+            throw new ClassCastException(activity.toString()
+                    + " must implement NoticeDialogListener");
+        }
+    }
+}