Java tutorial
// -*- mode: java; c-basic-offset: 2; -*- // Copyright 2009-2011 Google, All Rights reserved // Copyright 2011-2013 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 static com.google.appinventor.client.Ode.MESSAGES; import com.google.appinventor.client.widgets.LabeledTextBox; import com.google.gwt.event.dom.client.ClickEvent; import com.google.gwt.event.dom.client.ClickHandler; import com.google.gwt.event.dom.client.KeyCodes; import com.google.gwt.event.dom.client.KeyUpEvent; import com.google.gwt.event.dom.client.KeyUpHandler; import com.google.gwt.user.client.Command; import com.google.gwt.user.client.DeferredCommand; import com.google.gwt.user.client.Window; import com.google.gwt.user.client.ui.Button; import com.google.gwt.user.client.ui.HorizontalPanel; import com.google.gwt.user.client.ui.VerticalPanel; /** * Wizard for inputting the Url of a Template repository * * @author markf@google.com (Mark Friedman) * @author ram8647@gmail.com (Ralph Morelli) */ public final class InputTemplateUrlWizard extends Wizard { /** * UI element for project name. */ private LabeledTextBox urlTextBox; /** * Creates a new YoungAndroid project wizard. */ public InputTemplateUrlWizard(final NewUrlDialogCallback callback) { super(MESSAGES.inputNewUrlCaption(), true, true); // Initialize the UI. setStylePrimaryName("ode-DialogBox"); HorizontalPanel panel = new HorizontalPanel(); urlTextBox = new LabeledTextBox(MESSAGES.newUrlLabel()); urlTextBox.getTextBox().setWidth("250px"); urlTextBox.getTextBox().addKeyUpHandler(new KeyUpHandler() { @Override public void onKeyUp(KeyUpEvent event) { int keyCode = event.getNativeKeyCode(); if (keyCode == KeyCodes.KEY_ENTER) { handleOkClick(); } else if (keyCode == KeyCodes.KEY_ESCAPE) { handleCancelClick(); } } }); VerticalPanel page = new VerticalPanel(); panel.add(urlTextBox); page.add(panel); addPage(page); // Create finish command (create a new Young Android project). initFinishCommand(new Command() { @Override public void execute() { String hostUrl = urlTextBox.getText(); if (TemplateUploadWizard.hasUrl(hostUrl)) { Window.alert("The Url " + hostUrl + " already exists."); } else { callback.updateTemplateOptions(hostUrl); } } }); } @Override public void show() { super.show(); // Wizard size (having it resize between page changes is quite annoying) int width = 500; int height = 40; this.center(); setPixelSize(width, height); super.setPagePanelHeight(40); DeferredCommand.addCommand(new Command() { public void execute() { urlTextBox.setFocus(true); urlTextBox.selectAll(); } }); } }