it.unibo.cs.v2.client.PrebuiltWizard.java Source code

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Here is the source code for it.unibo.cs.v2.client.PrebuiltWizard.java

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/* Copyright 2011 Massimo Gengarelli <gengarel@cs.unibo.it>
 * This file is part of Floz Configurator.
 * Floz Configurator is free software: you can redistribute it and/or modify it 
 * under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or 
 * (at your option) any later version.
 *
 * Floz Configurator 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License 
 * along with Floz Configurator. If not, see http://www.gnu.org/licenses/.
 */

package it.unibo.cs.v2.client;

import java.util.LinkedList;
import java.util.HashMap;

import it.unibo.cs.v2.servlets.GetPrebuiltMachines;
import it.unibo.cs.v2.servlets.GetPrebuiltMachinesAsync;
import it.unibo.cs.v2.servlets.ImportMachine;
import it.unibo.cs.v2.servlets.ImportMachineAsync;
import it.unibo.cs.v2.shared.MachineInfo;

import com.google.gwt.core.client.GWT;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.user.client.rpc.AsyncCallback;
import com.google.gwt.user.client.ui.Button;
import com.google.gwt.user.client.ui.DisclosurePanel;
import com.google.gwt.user.client.ui.HTML;
import com.google.gwt.user.client.ui.HTMLPanel;

public class PrebuiltWizard extends HTMLPanel implements Wizard {
    private GetPrebuiltMachinesAsync getPrebuiltMachinesProxy = GWT.create(GetPrebuiltMachines.class);
    private ImportMachineAsync importMachineProxy = GWT.create(ImportMachine.class);

    public PrebuiltWizard() {
        super("<h2>Import an existing machine</h2>");
        add(new HTML(
                "<p>Following is a list of machines exported by the other users. The list is ordered by the users' name.</p>"));

        getPrebuiltMachinesProxy.getPrebuiltMachines(new AsyncCallback<HashMap<String, LinkedList<MachineInfo>>>() {

            @Override
            public void onSuccess(HashMap<String, LinkedList<MachineInfo>> result) {
                if (result == null) {
                    System.err.println("No machines found.");
                    return;
                }

                for (String user : result.keySet()) {
                    DisclosurePanel userPanel = new DisclosurePanel(
                            user + " exported a total of " + result.get(user).size() + " machines");
                    userPanel.setAnimationEnabled(true);
                    HTMLPanel userHTMLPanel = new HTMLPanel("");
                    userPanel.add(userHTMLPanel);

                    for (final MachineInfo m : result.get(user)) {
                        DisclosurePanel machinePanel = new DisclosurePanel(m.getName());
                        Button importButton = new Button("Import this machine");
                        machinePanel.setAnimationEnabled(true);
                        HTMLPanel machineHTMLPanel = new HTMLPanel("");
                        machinePanel.add(machineHTMLPanel);

                        // Fetch the informations about the machine
                        userHTMLPanel.add(machinePanel);
                        machineHTMLPanel.add(new HTML("<b>Short description</b>"));
                        machineHTMLPanel.add(new HTML("&nbsp;" + m.getDescription() + "<br /><br />"));

                        machineHTMLPanel.add(new HTML("<b>Long description</b><br/>"));
                        machineHTMLPanel.add(
                                new HTML("&nbsp;" + m.getLongDescription().replace("<", "&lt;").replace(">", "&gt;")
                                        .replace("\n", "<br />&nbsp;").replace("\\n", "<br />&nbsp;")));

                        machineHTMLPanel.add(new HTML("<b>Storage</b><br />"));
                        machineHTMLPanel.add(new HTML("&nbsp;" + m.getHda() + " (" + m.getHdaSize() + ")<br />"));
                        if (m.isHdbEnabled())
                            machineHTMLPanel
                                    .add(new HTML("&nbsp;" + m.getHdb() + " (" + m.getHdbSize() + ")<br />"));
                        machineHTMLPanel.add(new HTML("<br />"));

                        machineHTMLPanel.add(new HTML("<b>Networking</b><br />"));
                        if (m.isVirtuacluster())
                            machineHTMLPanel.add(new HTML("&nbsp;Virtuacluster support is <b>enabled</b>"));
                        else
                            machineHTMLPanel.add(new HTML("&nbsp;Virtuacluster support is <b>disabled</b>"));

                        machineHTMLPanel.add(new HTML("<br />"));
                        machineHTMLPanel.add(importButton);

                        importButton.addClickHandler(new ClickHandler() {

                            @Override
                            public void onClick(ClickEvent event) {
                                importMachineProxy.importMachine(m, new AsyncCallback<Boolean>() {

                                    @Override
                                    public void onFailure(Throwable caught) {
                                        clear();
                                        add(new HTML(
                                                "<span style=\"color: red\">" + caught.getMessage() + "</span>"));
                                    }

                                    @Override
                                    public void onSuccess(Boolean result) {
                                        clear();
                                        add(new HTML(
                                                "<span style=\"color: green\">Machine imported successfully. Please note that the process may take a while to complete. "
                                                        + "You'll receive a notification upon completition"));
                                    }
                                });
                            }
                        });
                    }

                    add(userPanel);
                    add(new HTML("<br />"));
                }

            }

            @Override
            public void onFailure(Throwable caught) {

            }
        });
    }

    @Override
    public boolean hasFinished() {
        return false;
    }

}