ro.zg.netcell.vaadin.action.application.UserNotificationRulesHandler.java Source code

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Here is the source code for ro.zg.netcell.vaadin.action.application.UserNotificationRulesHandler.java

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/*******************************************************************************
 * Copyright 2012 AdrianIonescu
 * 
 * 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.application;

import java.util.HashMap;
import java.util.Map;

import ro.zg.netcell.control.CommandResponse;
import ro.zg.netcell.vaadin.action.ActionContext;
import ro.zg.netcell.vaadin.action.OpenGroupsActionHandler;
import ro.zg.open_groups.OpenGroupsApplication;
import ro.zg.opengroups.constants.OpenGroupsExceptions;
import ro.zg.opengroups.views.UserNotificationRulesView;
import ro.zg.opengroups.vo.NotificationRulesList;
import ro.zg.presentation.utils.UserEvent;
import ro.zg.presentation.utils.UserEventHandler;

import com.vaadin.ui.ComponentContainer;

public class UserNotificationRulesHandler extends OpenGroupsActionHandler {

    /**
     * 
     */
    private static final long serialVersionUID = -8522695335499010027L;

    @Override
    public void handle(ActionContext actionContext) throws Exception {

        refreshNotificationsView(actionContext);
    }

    private void refreshNotificationsView(final ActionContext actionContext) throws Exception {
        final NotificationRulesList rulesList = getNotificationRulesList(actionContext);
        final OpenGroupsApplication app = actionContext.getApp();
        ComponentContainer container = actionContext.getTargetContainer();
        container.removeAllComponents();

        UserEventHandler<UserEvent> eventHandler = new UserEventHandler<UserEvent>() {

            @Override
            public void handleEvent(UserEvent event) {
                boolean saved = app.getModel().saveUserNotificationRules(app.getCurrentUserId(),
                        actionContext.getEntity().getId(), rulesList);
                if (saved) {
                    rulesList.markAsSaved();
                } else {
                    app.pushError(OpenGroupsExceptions.getSystemError());
                }
            }
        };

        UserNotificationRulesView view = getViewsManager().createView(UserNotificationRulesView.class,
                eventHandler);
        rulesList.addView(view);
        view.update(rulesList);
        container.addComponent(view.getContainer());
    }

    private NotificationRulesList getNotificationRulesList(ActionContext actionContext) throws Exception {
        OpenGroupsApplication app = actionContext.getApp();
        Map<String, Object> params = new HashMap<String, Object>();
        params.put("userId", app.getCurrentUserId());
        params.put("entityId", actionContext.getEntity().getId());

        CommandResponse response = executeAction(actionContext, params);
        return app.getModel().buildBeanFromResponse(response, NotificationRulesList.class);
    }

}