Turn the authenication popup into a real Place.

[online-glom:gwt-glom.git] / src / main / java / org / glom / web / client / ui / DocumentLoginViewImpl.java

/*
 * Copyright (C) 2010, 2011 Openismus GmbH
 *
 * This file is part of GWT-Glom.
 *
 * GWT-Glom is free software: you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published by the
 * Free Software Foundation, either version 3 of the License, or (at your
 * option) any later version.
 *
 * GWT-Glom is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
 * for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with GWT-Glom.  If not, see <http://www.gnu.org/licenses/>.
 */

package org.glom.web.client.ui;

import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.event.shared.HandlerRegistration;
import com.google.gwt.user.client.ui.Button;
import com.google.gwt.user.client.ui.Composite;
import com.google.gwt.user.client.ui.FlexTable;
import com.google.gwt.user.client.ui.HasHorizontalAlignment;
import com.google.gwt.user.client.ui.Label;
import com.google.gwt.user.client.ui.PasswordTextBox;
import com.google.gwt.user.client.ui.TextBox;
import com.google.gwt.user.client.ui.FlexTable.FlexCellFormatter;

public class DocumentLoginViewImpl extends Composite implements DocumentLoginView {

        //final private FlowPanel mainPanel = new FlowPanel();
        private final TextBox usernameTextBox = new TextBox();
        private final PasswordTextBox passwordTextBox = new PasswordTextBox();
        private final Label errorMessage = new Label("Username and/or password not correct."); //TODO: Translate
        private final Button loginButton = new Button("Login"); //TODO: Translate
        private final Button cancelButton = new Button("Cancel"); //TODO: Translate
        //TODO: ForgotPassword button.
        FlexTable flexTable = new FlexTable();
        private Presenter presenter;
        
        private HandlerRegistration authLoginButtonHandlerRegistration;
        private HandlerRegistration authCancelButtonHandlerRegistration;

        public DocumentLoginViewImpl() {
                initWidget(flexTable);
                
                flexTable.setCellSpacing(10);
                final FlexCellFormatter cellFormatter = flexTable.getFlexCellFormatter();
                flexTable.setHTML(0, 0, "<b>Enter the PostgreSQL username and password.</b>");
                cellFormatter.setColSpan(0, 0, 2);
                cellFormatter.setHorizontalAlignment(0, 0, HasHorizontalAlignment.ALIGN_CENTER);
                flexTable.setHTML(1, 0, "Username");
                flexTable.setWidget(1, 1, usernameTextBox);
                cellFormatter.setHorizontalAlignment(1, 1, HasHorizontalAlignment.ALIGN_RIGHT);
                flexTable.setHTML(2, 0, "Password");
                flexTable.setWidget(2, 1, passwordTextBox);
                cellFormatter.setHorizontalAlignment(2, 1, HasHorizontalAlignment.ALIGN_RIGHT);
                flexTable.setWidget(3, 0, cancelButton);
                cellFormatter.setHorizontalAlignment(3, 0, HasHorizontalAlignment.ALIGN_RIGHT);
                flexTable.setWidget(3, 1, loginButton);
                cellFormatter.setHorizontalAlignment(3, 1, HasHorizontalAlignment.ALIGN_RIGHT);
        }

        @Override
        public void setPresenter(final Presenter presenter) {
                this.presenter = presenter;
        }
        
        @Override
        public void setClickLoginHandler(final ClickHandler clickHandler) {
                authLoginButtonHandlerRegistration = loginButton.addClickHandler(clickHandler);
        }
        
        @Override
        public void setClickCancelHandler(final ClickHandler clickHandler) {
                authCancelButtonHandlerRegistration = cancelButton.addClickHandler(clickHandler);
        }

        @Override
        public String getUsername() {
                return usernameTextBox.getValue();
        }

        @Override
        public String getPassword() {
                return passwordTextBox.getValue();

        }

        @Override
        public void clear() {
                if (authLoginButtonHandlerRegistration != null) {
                        authLoginButtonHandlerRegistration.removeHandler();
                        authLoginButtonHandlerRegistration = null;
                }

                if (authCancelButtonHandlerRegistration != null) {
                        authCancelButtonHandlerRegistration.removeHandler();
                        authCancelButtonHandlerRegistration = null;
                }

                usernameTextBox.setText("");
                passwordTextBox.setText("");
                setTextFieldsEnabled(true);
                clearError();
        }

        @Override
        public void setTextFieldsEnabled(final boolean enabled) {
                usernameTextBox.setEnabled(enabled);
                passwordTextBox.setEnabled(enabled);
        }
        
        @Override
        public void setError() {
                flexTable.setWidget(4, 0, errorMessage);
                final FlexCellFormatter cellFormatter = flexTable.getFlexCellFormatter();
                cellFormatter.setColSpan(4, 0, 2);
                cellFormatter.setHorizontalAlignment(4, 0, HasHorizontalAlignment.ALIGN_CENTER);
        }
        
        @Override
        public void clearError() {
                if (flexTable.getRowCount() == 5) {
                        flexTable.removeRow(4);
                }
        }

}