Java tutorial
// -*- 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.youngandroid; import static com.google.appinventor.client.Ode.MESSAGES; import com.google.appinventor.client.GalleryClient; import com.google.appinventor.client.widgets.LabeledTextBox; import com.google.appinventor.client.wizards.NewProjectWizard; import com.google.appinventor.shared.rpc.project.GalleryApp; import com.google.gwt.event.dom.client.KeyCodes; import com.google.gwt.event.dom.client.KeyDownEvent; import com.google.gwt.event.dom.client.KeyDownHandler; import com.google.gwt.user.client.Command; import com.google.gwt.user.client.DeferredCommand; import com.google.gwt.user.client.ui.Button; import com.google.gwt.user.client.ui.FlowPanel; import com.google.gwt.user.client.ui.Label; import com.google.gwt.user.client.ui.PopupPanel; import com.google.gwt.user.client.ui.TextBox; import com.google.gwt.user.client.ui.VerticalPanel; /** * Wizard for creating new Young Android projects. * * @author blu2@dons.usfca.edu (Bin Lu) */ public final class RemixedYoungAndroidProjectWizard extends NewProjectWizard { //implements GalleryRequestListener GalleryClient gallery = null; Button actionButton; // UI element for project name private LabeledTextBox projectNameTextBox; /** * Creates a new YoungAndroid project wizard. */ public RemixedYoungAndroidProjectWizard(final GalleryApp app, final Button actionButton) { super(MESSAGES.remixedYoungAndroidProjectWizardCaption()); this.actionButton = actionButton; gallery = GalleryClient.getInstance(); // Initialize the UI setStylePrimaryName("ode-DialogBox"); projectNameTextBox = new LabeledTextBox(MESSAGES.projectNameLabel()); projectNameTextBox.setText(replaceNonTextChar(app.getTitle())); projectNameTextBox.getTextBox().addKeyDownHandler(new KeyDownHandler() { @Override public void onKeyDown(KeyDownEvent event) { int keyCode = event.getNativeKeyCode(); if (keyCode == KeyCodes.KEY_ENTER) { handleOkClick(); } else if (keyCode == KeyCodes.KEY_ESCAPE) { handleCancelClick(); } } }); VerticalPanel page = new VerticalPanel(); page.add(projectNameTextBox); addPage(page); // Create finish command (create a new Young Android project) initFinishCommand(new Command() { @Override public void execute() { String projectName = projectNameTextBox.getText(); final PopupPanel popup = new PopupPanel(true); final FlowPanel content = new FlowPanel(); popup.setWidget(content); Label loading = new Label(); loading.setText(MESSAGES.loadingAppIndicatorText()); // loading indicator will be hided or forced to be hided in gallery.loadSourceFile content.add(loading); popup.center(); boolean success = gallery.loadSourceFile(app, projectNameTextBox.getText(), popup); if (success) { gallery.appWasDownloaded(app.getGalleryAppId(), app.getDeveloperId()); } else { show(); center(); return; } } }); } @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); DeferredCommand.addCommand(new Command() { public void execute() { projectNameTextBox.setFocus(true); projectNameTextBox.selectAll(); } }); } /** * Invoked immediately before closing the wizard. */ @Override protected void onHide() { actionButton.setEnabled(true); } private String replaceNonTextChar(String s) { return s.replaceAll("[^A-Za-z0-9]", ""); } }