ro.zg.netcell.vaadin.action.user.UpdateUserHandler.java Source code

Introduction

Here is the source code for ro.zg.netcell.vaadin.action.user.UpdateUserHandler.java

Source

/*******************************************************************************
 * Copyright 2011 Adrian Cristian Ionescu
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 ******************************************************************************/
package ro.zg.netcell.vaadin.action.user;

import java.util.Map;

import ro.zg.netcell.control.CommandResponse;
import ro.zg.netcell.vaadin.DataTranslationUtils;
import ro.zg.netcell.vaadin.ExtendedForm;
import ro.zg.netcell.vaadin.ExtendedForm.FormCommitEvent;
import ro.zg.netcell.vaadin.ExtendedForm.FormListener;
import ro.zg.netcell.vaadin.action.ActionContext;
import ro.zg.open_groups.OpenGroupsApplication;
import ro.zg.opengroups.vo.User;
import ro.zg.opengroups.vo.UserAction;

import com.vaadin.data.util.ObjectProperty;
import com.vaadin.terminal.UserError;
import com.vaadin.ui.Button;
import com.vaadin.ui.ComponentContainer;
import com.vaadin.ui.Form;
import com.vaadin.ui.Label;
import com.vaadin.ui.Button.ClickEvent;
import com.vaadin.ui.Button.ClickListener;

public class UpdateUserHandler extends UserHandler {

    /**
     * 
     */
    private static final long serialVersionUID = -8361387640203388261L;

    @Override
    public void handle(ActionContext actionContext) throws Exception {
        ComponentContainer targetContainer = actionContext.getTargetContainer();
        targetContainer.removeAllComponents();
        Form form = getUpdateForm(actionContext.getUserAction(), actionContext.getApp(),
                actionContext.getTargetContainer(), actionContext);
        targetContainer.addComponent(form);
    }

    private Form getUpdateForm(final UserAction ua, final OpenGroupsApplication app,
            final ComponentContainer container, final ActionContext ac) {
        ExtendedForm form = ua.generateForm(ac);
        User currentUser = app.getCurrentUser();
        //   form.getField("email").setValue(currentUser.getEmail());
        form.getField("email").setPropertyDataSource(new ObjectProperty(currentUser.getEmail()));
        form.addListener(new FormListener() {

            @Override
            public void onCommit(FormCommitEvent event) {
                Form form = event.getForm();
                doUpdate(form, ua, app, container, ac);
            }
        });

        return form;
    }

    private void doUpdate(Form form, UserAction ua, OpenGroupsApplication app, ComponentContainer container,
            final ActionContext ac) {
        form.setComponentError(null);
        User user = app.getCurrentUser();
        Map<String, Object> paramsMap = (Map<String, Object>) form.getValue();
        if (!isDataMofified(user, paramsMap)) {
            app.showNotification("data.not.changed");
            return;
        }
        paramsMap.put("userId", app.getCurrentUserId());
        CommandResponse response = executeAction(new ActionContext(ua, app, null), paramsMap);
        String exitCode = (String) response.getValue("exit");

        if ("emailExists".equals(exitCode)) {
            String message = getMessage("user.register.email.exists.error");
            form.setComponentError(new UserError(message));
            return;
        }

        user.setEmail((String) paramsMap.get("email"));
        showSuccessMessage(app, container, ua, ac);
    }

    private boolean isDataMofified(User u, Map<String, Object> params) {
        return !u.getEmail().equals(params.get("email"));
    }

    private void showSuccessMessage(final OpenGroupsApplication app, final ComponentContainer container,
            final UserAction ua, final ActionContext ac) {
        container.removeAllComponents();
        Label msg = new Label(getMessage("user.data.succesfully.updated"));
        Button button = new Button(getMessage("new.user.data.update"));

        button.addListener(new ClickListener() {

            @Override
            public void buttonClick(ClickEvent event) {
                ua.executeHandler(null, app, container, ac);
            }
        });

        container.addComponent(msg);
        container.addComponent(button);
    }
}