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 MIT License https://raw.github.com/mit-cml/app-inventor/master/mitlicense.txt package com.google.appinventor.client.explorer.commands; import java.util.Date; import com.google.appinventor.client.Ode; import com.google.appinventor.client.OdeAsyncCallback; import static com.google.appinventor.client.Ode.MESSAGES; import com.google.appinventor.shared.rpc.RpcResult; import com.google.appinventor.shared.rpc.project.ProjectNode; import com.google.gwt.event.dom.client.ClickEvent; import com.google.gwt.event.dom.client.ClickHandler; import com.google.gwt.i18n.client.DateTimeFormat; import com.google.gwt.user.client.Timer; import com.google.gwt.user.client.ui.Button; import com.google.gwt.user.client.ui.DialogBox; import com.google.gwt.user.client.ui.HorizontalPanel; import com.google.gwt.user.client.ui.HTML; import com.google.gwt.user.client.ui.VerticalPanel; import com.google.appinventor.client.output.MessagesOutput; import com.google.appinventor.client.explorer.commands.MiniProgressBar; /** * Command for displaying a barcode for the target of a project. * * <p/>This command is often chained with SaveAllEditorsCommand and BuildCommand. * * @author markf@google.com (Mark Friedman) */ public class ShowProgressBarForEclipseCommand extends ChainableCommand { // The build target private int counter = 0; private int currentProgress = 0; // 0 means just initialize, 1 means click once, 2 means click twice private int progressBarShow = 0; private String target; private ChainableCommand nextCommand; private final String buildRequestTime; private static final int WAIT_INTERVAL_MILLIS = 5000; private ProjectNode projectNode; private ProgressBarDialogBox minPB; private String serviceName; private int buildOption = 1; /** * Creates a new command for showing a barcode for the target of a project. * * @param target the build target * @param waitForBuildResultCommand */ public ShowProgressBarForEclipseCommand(String target, ChainableCommand nextCommand, String serviceName) { // Since we don't know when the barcode dialog is finished, we can't // support a command after this one. super(nextCommand); // no next command this.target = target; this.nextCommand = nextCommand; this.buildRequestTime = DateTimeFormat.getMediumDateTimeFormat().format(new Date()); this.serviceName = serviceName; } public ShowProgressBarForEclipseCommand(String target, int buildOption, ChainableCommand nextCommand, String serviceName) { this(target, nextCommand, serviceName); this.buildOption = buildOption; } @Override public boolean willCallExecuteNextCommand() { return true; } @Override //the main function to be called public void execute(final ProjectNode node) { final Ode ode = Ode.getInstance(); if (counter < 1) { projectNode = node; minPB = new ProgressBarDialogBox(); minPB.center(); executeNextCommand(node); } counter++; //call back function - dynamic DialogBox OdeAsyncCallback<RpcResult> callback = new OdeAsyncCallback<RpcResult>(MESSAGES.buildError()) // failure message { @Override public void onSuccess(RpcResult result) { minPB.addMessages(node.getName(), result); if (result.succeeded()) { minPB.hide(); } else if (progressBarShow != 2) { // Build isn't done yet Timer timer = new Timer() { @Override public void run() { execute(node); } }; // TODO(user): Maybe do an exponential backoff here. timer.schedule(WAIT_INTERVAL_MILLIS); } } @Override public void onFailure(Throwable caught) { super.onFailure(caught); executionFailedOrCanceled(); } }; ode.getProjectService().getEclipseProjectBuildResult(node.getProjectId(), target, this.buildOption, callback); } class ProgressBarDialogBox extends DialogBox { public ClickHandler buttonHandler; public Button cancelButton = new Button(MESSAGES.cancelButton()); public Button dismissButton = new Button(MESSAGES.dismissButton()); public HTML warningLabel; public VerticalPanel contentPanel; public HorizontalPanel buttonPanel = new HorizontalPanel(); public HorizontalPanel warningPanel = new HorizontalPanel(); public MiniProgressBar mpb = new MiniProgressBar(0, 100, 0); //constructor ProgressBarDialogBox() { super(false, true); setStylePrimaryName("ode-DialogBox"); setText("Progress Bar for downloading files " + projectNode.getName()); //click handler for the mini html buttons buttonHandler = new ClickHandler() { @Override public void onClick(ClickEvent event) { hide(); progressBarShow++; } }; //declare the cancel and ok buttons cancelButton.addClickHandler(buttonHandler); dismissButton.addClickHandler(buttonHandler); buttonPanel.setHorizontalAlignment(HorizontalPanel.ALIGN_CENTER); //warning label warningLabel = new HTML(""); warningLabel.setWordWrap(true); warningLabel.setWidth("200px"); // set width to get the text to wrap //warning panel warningPanel.setHorizontalAlignment(HorizontalPanel.ALIGN_LEFT); warningPanel.add(warningLabel); // buttonPanel.add(cancelButton); buttonPanel.add(dismissButton); buttonPanel.setSize("100%", "24px"); //content pannel contentPanel = new VerticalPanel(); contentPanel.add(mpb); contentPanel.add(warningPanel); contentPanel.add(buttonPanel); setWidget(contentPanel); } public void clear() { warningLabel.setHTML(""); } public void addMessages(String projectName, RpcResult result) { if (result.succeeded()) { show(); mpb.setProgress(100); if (serviceName == "DownloadJavaFilesAction") { warningLabel.setHTML("<br />The Java file/s will be saved in the donwnload folder."); } else if (serviceName == "DownloadEclipseProjectAction") { warningLabel.setHTML("<br />The Eclipse Project will be saved in the donwnload folder."); } else { warningLabel.setHTML("<br />Waiting for download."); } } else { try { currentProgress = Math.max(currentProgress, Integer.parseInt(result.getOutput())); mpb.setProgress(currentProgress); if (currentProgress <= 10) { warningLabel.setHTML("<br />Preparing application for download"); } else if (currentProgress < 15) { warningLabel.setHTML("<br />Determining permissions"); } else if (currentProgress <= 25) { warningLabel.setHTML("<br />Generating application information"); } else if (currentProgress <= 35) { warningLabel.setHTML("<br />Generating Yail Files"); } else if (currentProgress <= 55) { warningLabel.setHTML("<br />Generating Eclipse project"); } else if (currentProgress <= 65) { warningLabel.setHTML("<br />Generating Java files"); } else if (currentProgress <= 85) { warningLabel.setHTML("<br />Preparing final ouput zip files"); } else { if (serviceName == "DownloadJavaFilesAction") { warningLabel.setHTML("<br />The Java file/s will be saved in the donwnload folder."); } else if (serviceName == "DownloadEclipseProjectAction") { warningLabel .setHTML("<br />The Eclipse Project will be saved in the donwnload folder."); } else { warningLabel.setHTML("<br />Waiting for download."); } } } catch (NumberFormatException e) { mpb.setProgress(0); warningLabel.setHTML("<br />Error occured." + "<br />Check the debugging messages."); } } } } }