com.google.appinventor.client.wizards.ProjectUploadWizard.java Source code

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Here is the source code for com.google.appinventor.client.wizards.ProjectUploadWizard.java

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// -*- mode: java; c-basic-offset: 2; -*-
// Copyright 2009-2011 Google, All Rights reserved
// Copyright 2011-2012 MIT, All rights reserved
// Released under the Apache License, Version 2.0
// http://www.apache.org/licenses/LICENSE-2.0

package com.google.appinventor.client.wizards;

import com.google.appinventor.client.ErrorReporter;
import com.google.appinventor.client.Ode;
import static com.google.appinventor.client.Ode.MESSAGES;
import com.google.appinventor.client.OdeAsyncCallback;
import com.google.appinventor.client.explorer.project.Project;
import com.google.appinventor.client.utils.Uploader;
import com.google.appinventor.client.youngandroid.TextValidators;
import com.google.appinventor.shared.rpc.ServerLayout;
import com.google.appinventor.shared.rpc.UploadResponse;
import com.google.appinventor.shared.rpc.project.UserProject;
import com.google.gwt.core.client.GWT;
import com.google.gwt.user.client.Command;
import com.google.gwt.user.client.Window;
import com.google.gwt.user.client.ui.FileUpload;
import com.google.gwt.user.client.ui.VerticalPanel;

/**
 * Wizard for uploading previously archived (downloaded) projects.
 *
 */
public class ProjectUploadWizard extends Wizard {
    // Project archive extension
    private static final String PROJECT_ARCHIVE_EXTENSION = ".aia";

    /**
     * Creates a new project upload wizard.
     */
    public ProjectUploadWizard() {
        super(MESSAGES.projectUploadWizardCaption(), true, false);

        // Initialize UI
        final FileUpload upload = new FileUpload();
        upload.setName(ServerLayout.UPLOAD_PROJECT_ARCHIVE_FORM_ELEMENT);
        setStylePrimaryName("ode-DialogBox");
        VerticalPanel panel = new VerticalPanel();
        panel.setVerticalAlignment(VerticalPanel.ALIGN_MIDDLE);
        panel.add(upload);
        addPage(panel);

        // Create finish command (upload a project archive)
        initFinishCommand(new Command() {
            @Override
            public void execute() {
                String filename = upload.getFilename();
                if (filename.endsWith(PROJECT_ARCHIVE_EXTENSION)) {
                    // Strip extension and leading path off filename. We need to support both Unix ('/') and
                    // Windows ('\\') path separators. File.pathSeparator is not available in GWT.
                    filename = filename.substring(0, filename.length() - PROJECT_ARCHIVE_EXTENSION.length())
                            .substring(Math.max(filename.lastIndexOf('/'), filename.lastIndexOf('\\')) + 1);

                    // Make sure the project name is legal and unique.
                    if (!TextValidators.checkNewProjectName(filename)) {
                        return;
                    }

                    String uploadUrl = GWT.getModuleBaseURL() + ServerLayout.UPLOAD_SERVLET + "/"
                            + ServerLayout.UPLOAD_PROJECT + "/" + filename;
                    Uploader.getInstance().upload(upload, uploadUrl, new OdeAsyncCallback<UploadResponse>(
                            // failure message
                            MESSAGES.projectUploadError()) {
                        @Override
                        public void onSuccess(UploadResponse uploadResponse) {
                            switch (uploadResponse.getStatus()) {
                            case SUCCESS:
                                String info = uploadResponse.getInfo();
                                UserProject userProject = UserProject.valueOf(info);
                                Ode ode = Ode.getInstance();
                                Project uploadedProject = ode.getProjectManager().addProject(userProject);
                                ode.openYoungAndroidProjectInDesigner(uploadedProject);
                                break;
                            case NOT_PROJECT_ARCHIVE:
                                // This may be a "severe" error; but in the
                                // interest of reducing the number of red errors, the 
                                // line has been changed to report info not an error.
                                // This error is triggered when the user attempts to
                                // upload a zip file that is not a project.
                                ErrorReporter.reportInfo(MESSAGES.notProjectArchiveError());
                                break;
                            default:
                                ErrorReporter.reportError(MESSAGES.projectUploadError());
                                break;
                            }
                        }
                    });
                } else {
                    Window.alert(MESSAGES.notProjectArchiveError());
                    center();
                }
            }
        });
    }

    @Override
    public void show() {
        super.show();
        // Wizard size (having it resize between page changes is quite annoying)
        int width = 320;
        int height = 40;
        this.center();

        setPixelSize(width, height);
        super.setPagePanelHeight(40);
    }
}