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

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

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/*******************************************************************************
 * 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.open_groups.gui.OpenGroupsMainWindow;
import ro.zg.opengroups.vo.UserAction;

import com.vaadin.terminal.UserError;
import com.vaadin.ui.Alignment;
import com.vaadin.ui.Form;
import com.vaadin.ui.Label;
import com.vaadin.ui.VerticalLayout;
import com.vaadin.ui.Window;

public class RequestPasswordResetHandler extends UserHandler {

    /**
     * 
     */
    private static final long serialVersionUID = -5328135537633934763L;

    @Override
    public void handle(ActionContext actionContext) throws Exception {
        Window w = new Window();
        w.setModal(true);
        OpenGroupsApplication app = actionContext.getApp();
        OpenGroupsMainWindow mainWindow = actionContext.getWindow();
        UserAction ua = actionContext.getUserAction();
        w.setWidth("400px");
        w.setHeight("300px");
        w.center();
        w.setCaption(getMessage(ua.getActionName() + ".window.caption"));
        mainWindow.addWindow(w);

        VerticalLayout layout = new VerticalLayout();
        layout.setSizeFull();
        Form form = getForm(actionContext.getUserAction(), app, actionContext);
        w.setContent(layout);
        layout.addComponent(form);
        form.setWidth("60%");
        // form.setHeight("30%");
        layout.setComponentAlignment(form, Alignment.MIDDLE_CENTER);
    }

    private Form getForm(final UserAction ua, final OpenGroupsApplication app, ActionContext actionContext) {
        final ExtendedForm form = ua.generateForm(actionContext);
        form.addListener(new FormListener() {

            @Override
            public void onCommit(FormCommitEvent event) {
                form.setComponentError(null);
                sendPasswordResetRequest(event.getForm(), ua, app);
            }
        });
        form.setDescription(getMessage(ua.getActionName() + ".header.message"));
        return form;
    }

    private void sendPasswordResetRequest(Form form, UserAction ua, OpenGroupsApplication app) {
        form.setComponentError(null);
        Map<String, Object> paramsMap = (Map<String, Object>) form.getValue();
        String instanceName = app.getAppConfigManager().getInstanceName();
        paramsMap.put("subject", getMessage(ua.getActionName() + ".subject", instanceName));
        paramsMap.put("message", getMessage(ua.getActionName() + ".message", instanceName, app.getBaseAppUrl()));

        CommandResponse response = executeAction(new ActionContext(ua, app, null), paramsMap);

        if (response.isSuccessful()) {
            String exit = (String) response.getValue("exit");
            if (exit.equals("noSuchEmail")) {
                String message = getMessage(ua.getActionName() + ".no-such-email");
                form.setComponentError(new UserError(message));
                return;
            }
            displaySuccessfulMessage(form.getWindow(), ua.getActionName() + ".success");
        }
    }

    private void displaySuccessfulMessage(Window w, String messageKey) {
        VerticalLayout l = new VerticalLayout();
        l.setSizeFull();
        Label message = new Label(getMessage(messageKey));
        message.setWidth("60%");
        l.addComponent(message);
        l.setComponentAlignment(message, Alignment.MIDDLE_CENTER);
        w.setContent(l);
    }
}