Example usage for com.google.gwt.user.client Window alert

List of usage examples for com.google.gwt.user.client Window alert

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Introduction

In this page you can find the example usage for com.google.gwt.user.client Window alert.

Prototype

public static void alert(String msg)

Source Link

Usage

From source file:com.google.gwt.sample.mobilewebapp.presenter.task.TaskEditPresenter.java

License:Apache License

/**
 * Delete the current task./*from   w  w w.  ja  v a  2 s  .c o  m*/
 */
private void doDeleteTask() {
    if (editTask == null) {
        return;
    }

    // Delete the task in the data store.
    final TaskProxy toDelete = this.editTask;
    clientFactory.getRequestFactory().taskRequest().remove().using(toDelete).fire(new Receiver<Void>() {
        @Override
        public void onFailure(ServerFailure error) {
            Window.alert("An error occurred on the server while deleting this task: \"." + error.getMessage()
                    + "\".");
        }

        @Override
        public void onSuccess(Void response) {
            onTaskDeleted();
        }
    });
}

From source file:com.google.gwt.sample.mobilewebapp.presenter.task.TaskEditPresenter.java

License:Apache License

private void startEdit() {
    isEditing = true;/*from   www.jav  a2 s.  c o  m*/
    getView().setEditing(true);
    // Lock the display until the task is loaded.
    getView().setLocked(true);
    clientFactory.getRequestFactory().taskRequest().findTask(this.taskId).fire(new Receiver<TaskProxy>() {
        @Override
        public void onConstraintViolation(Set<ConstraintViolation<?>> violations) {
            getView().setLocked(false);
            getView().getEditorDriver().setConstraintViolations(violations);
        }

        @Override
        public void onFailure(ServerFailure error) {
            getView().setLocked(false);
            doCancelTask();
            super.onFailure(error);
        }

        @Override
        public void onSuccess(TaskProxy response) {
            // Early exit if we have already stopped.
            if (eventBus == null) {
                return;
            }

            // Task not found.
            if (response == null) {
                Window.alert("The task with id '" + taskId + "' could not be found."
                        + " Please select a different task from the task list.");
                doCancelTask();
                return;
            }

            // Show the task.
            editTask = response;
            getView().getEditorDriver().edit(response, clientFactory.getRequestFactory().taskRequest());
            getView().setLocked(false);
        }
    });
}

From source file:com.google.gwt.sample.mobilewebapp.presenter.task.TaskReadPresenter.java

License:Apache License

public void start(EventBus newEventBus) {
    this.eventBus = newEventBus;

    // Hide the 'add' button in the shell.
    // TODO(rjrjr) Ick!
    clientFactory.getShell().setAddButtonVisible(false);

    // Try to load the task from local storage.
    if (task == null) {
        task = clientFactory.getTaskProxyLocalStorage().getTask(taskId);
    }//from  w ww  .java 2  s.  c  om

    if (task == null) {
        // Load the existing task.
        clientFactory.getRequestFactory().taskRequest().findTask(this.taskId).fire(new Receiver<TaskProxy>() {
            @Override
            public void onSuccess(TaskProxy response) {
                // Early exit if this activity has already been cancelled.
                if (isDead) {
                    return;
                }

                // Task not found.
                if (response == null) {
                    Window.alert("The task with id '" + taskId + "' could not be found."
                            + " Please select a different task from the task list.");
                    ActionEvent.fire(eventBus, ActionNames.EDITING_CANCELED);
                    return;
                }

                // Show the task.
                task = response;
                getView().getEditorDriver().edit(response);
            }
        });
    } else {
        // Use the task that was passed with the place.
        getView().getEditorDriver().edit(task);
    }
}

From source file:com.google.gwt.sample.showcase.client.content.cell.CwCellSampler.java

License:Apache License

/**
 * Initialize this example./*from  w  w w  .  ja v a2  s  .  co m*/
 */
@ShowcaseSource
@Override
public Widget onInitialize() {
    Images images = GWT.create(Images.class);

    // Create the table.
    editableCells = new ArrayList<AbstractEditableCell<?, ?>>();
    contactList = new DataGrid<ContactInfo>(25, ContactInfo.KEY_PROVIDER);
    contactList.setMinimumTableWidth(140, Unit.EM);
    ContactDatabase.get().addDataDisplay(contactList);

    // CheckboxCell.
    final Category[] categories = ContactDatabase.get().queryCategories();
    addColumn(new CheckboxCell(), "Checkbox", new GetValue<Boolean>() {
        @Override
        public Boolean getValue(ContactInfo contact) {
            // Checkbox indicates that the contact is a relative.
            // Index 0 = Family.
            return contact.getCategory() == categories[0];
        }
    }, new FieldUpdater<ContactInfo, Boolean>() {
        @Override
        public void update(int index, ContactInfo object, Boolean value) {
            if (value) {
                // If a relative, use the Family Category.
                pendingChanges.add(new CategoryChange(object, categories[0]));
            } else {
                // If not a relative, use the Contacts Category.
                pendingChanges.add(new CategoryChange(object, categories[categories.length - 1]));
            }
        }
    });

    // TextCell.
    addColumn(new TextCell(), "Text", new GetValue<String>() {
        @Override
        public String getValue(ContactInfo contact) {
            return contact.getFullName();
        }
    }, null);

    // EditTextCell.
    Column<ContactInfo, String> editTextColumn = addColumn(new EditTextCell(), "EditText",
            new GetValue<String>() {
                @Override
                public String getValue(ContactInfo contact) {
                    return contact.getFirstName();
                }
            }, new FieldUpdater<ContactInfo, String>() {
                @Override
                public void update(int index, ContactInfo object, String value) {
                    pendingChanges.add(new FirstNameChange(object, value));
                }
            });
    contactList.setColumnWidth(editTextColumn, 16.0, Unit.EM);

    // TextInputCell.
    Column<ContactInfo, String> textInputColumn = addColumn(new TextInputCell(), "TextInput",
            new GetValue<String>() {
                @Override
                public String getValue(ContactInfo contact) {
                    return contact.getLastName();
                }
            }, new FieldUpdater<ContactInfo, String>() {
                @Override
                public void update(int index, ContactInfo object, String value) {
                    pendingChanges.add(new LastNameChange(object, value));
                }
            });
    contactList.setColumnWidth(textInputColumn, 16.0, Unit.EM);

    // ClickableTextCell.
    addColumn(new ClickableTextCell(), "ClickableText", new GetValue<String>() {
        @Override
        public String getValue(ContactInfo contact) {
            return "Click " + contact.getFirstName();
        }
    }, new FieldUpdater<ContactInfo, String>() {
        @Override
        public void update(int index, ContactInfo object, String value) {
            Window.alert("You clicked " + object.getFullName());
        }
    });

    // ActionCell.
    addColumn(new ActionCell<ContactInfo>("Click Me", new ActionCell.Delegate<ContactInfo>() {
        @Override
        public void execute(ContactInfo contact) {
            Window.alert("You clicked " + contact.getFullName());
        }
    }), "Action", new GetValue<ContactInfo>() {
        @Override
        public ContactInfo getValue(ContactInfo contact) {
            return contact;
        }
    }, null);

    // ButtonCell.
    addColumn(new ButtonCell(), "Button", new GetValue<String>() {
        @Override
        public String getValue(ContactInfo contact) {
            return "Click " + contact.getFirstName();
        }
    }, new FieldUpdater<ContactInfo, String>() {
        @Override
        public void update(int index, ContactInfo object, String value) {
            Window.alert("You clicked " + object.getFullName());
        }
    });

    // DateCell.
    DateTimeFormat dateFormat = DateTimeFormat.getFormat(PredefinedFormat.DATE_MEDIUM);
    addColumn(new DateCell(dateFormat), "Date", new GetValue<Date>() {
        @Override
        public Date getValue(ContactInfo contact) {
            return contact.getBirthday();
        }
    }, null);

    // DatePickerCell.
    addColumn(new DatePickerCell(dateFormat), "DatePicker", new GetValue<Date>() {
        @Override
        public Date getValue(ContactInfo contact) {
            return contact.getBirthday();
        }
    }, new FieldUpdater<ContactInfo, Date>() {
        @Override
        public void update(int index, ContactInfo object, Date value) {
            pendingChanges.add(new BirthdayChange(object, value));
        }
    });

    // NumberCell.
    Column<ContactInfo, Number> numberColumn = addColumn(new NumberCell(), "Number", new GetValue<Number>() {
        @Override
        public Number getValue(ContactInfo contact) {
            return contact.getAge();
        }
    }, null);
    numberColumn.setHorizontalAlignment(HasHorizontalAlignment.ALIGN_LOCALE_END);

    // IconCellDecorator.
    addColumn(new IconCellDecorator<String>(images.contactsGroup(), new TextCell()), "Icon",
            new GetValue<String>() {
                @Override
                public String getValue(ContactInfo contact) {
                    return contact.getCategory().getDisplayName();
                }
            }, null);

    // ImageCell.
    addColumn(new ImageCell(), "Image", new GetValue<String>() {
        @Override
        public String getValue(ContactInfo contact) {
            return "contact.jpg";
        }
    }, null);

    // SelectionCell.
    List<String> options = new ArrayList<String>();
    for (Category category : categories) {
        options.add(category.getDisplayName());
    }
    addColumn(new SelectionCell(options), "Selection", new GetValue<String>() {
        @Override
        public String getValue(ContactInfo contact) {
            return contact.getCategory().getDisplayName();
        }
    }, new FieldUpdater<ContactInfo, String>() {
        @Override
        public void update(int index, ContactInfo object, String value) {
            for (Category category : categories) {
                if (category.getDisplayName().equals(value)) {
                    pendingChanges.add(new CategoryChange(object, category));
                    break;
                }
            }
        }
    });

    // Create the UiBinder.
    Binder uiBinder = GWT.create(Binder.class);
    Widget widget = uiBinder.createAndBindUi(this);

    // Add handlers to redraw or refresh the table.
    redrawButton.addClickHandler(new ClickHandler() {
        @Override
        public void onClick(ClickEvent event) {
            contactList.redraw();
        }
    });
    commitButton.addClickHandler(new ClickHandler() {
        @Override
        public void onClick(ClickEvent event) {
            // Commit the changes.
            for (PendingChange<?> pendingChange : pendingChanges) {
                pendingChange.commit();
            }
            pendingChanges.clear();

            // Push the changes to the views.
            ContactDatabase.get().refreshDisplays();
        }
    });

    return widget;
}

From source file:com.google.gwt.sample.showcase.client.content.lists.CwMenuBar.java

License:Apache License

/**
 * Initialize this example./*from   ww w  .j av a  2s . c o  m*/
 */
@ShowcaseSource
@Override
public Widget onInitialize() {
    // Create a command that will execute on menu item selection
    Command menuCommand = new Command() {
        private int curPhrase = 0;
        private final String[] phrases = constants.cwMenuBarPrompts();

        public void execute() {
            Window.alert(phrases[curPhrase]);
            curPhrase = (curPhrase + 1) % phrases.length;
        }
    };

    // Create a menu bar
    MenuBar menu = new MenuBar();
    menu.setAutoOpen(true);
    menu.setWidth("500px");
    menu.setAnimationEnabled(true);

    // Create a sub menu of recent documents
    MenuBar recentDocsMenu = new MenuBar(true);
    String[] recentDocs = constants.cwMenuBarFileRecents();
    for (int i = 0; i < recentDocs.length; i++) {
        recentDocsMenu.addItem(recentDocs[i], menuCommand);
    }

    // Create the file menu
    MenuBar fileMenu = new MenuBar(true);
    fileMenu.setAnimationEnabled(true);
    menu.addItem(new MenuItem(constants.cwMenuBarFileCategory(), fileMenu));
    String[] fileOptions = constants.cwMenuBarFileOptions();
    for (int i = 0; i < fileOptions.length; i++) {
        if (i == 3) {
            fileMenu.addSeparator();
            fileMenu.addItem(fileOptions[i], recentDocsMenu);
            fileMenu.addSeparator();
        } else {
            fileMenu.addItem(fileOptions[i], menuCommand);
        }
    }

    // Create the edit menu
    MenuBar editMenu = new MenuBar(true);
    menu.addItem(new MenuItem(constants.cwMenuBarEditCategory(), editMenu));
    String[] editOptions = constants.cwMenuBarEditOptions();
    for (int i = 0; i < editOptions.length; i++) {
        editMenu.addItem(editOptions[i], menuCommand);
    }

    // Create the GWT menu
    MenuBar gwtMenu = new MenuBar(true);
    menu.addItem(new MenuItem("GWT", true, gwtMenu));
    String[] gwtOptions = constants.cwMenuBarGWTOptions();
    for (int i = 0; i < gwtOptions.length; i++) {
        gwtMenu.addItem(gwtOptions[i], menuCommand);
    }

    // Create the help menu
    MenuBar helpMenu = new MenuBar(true);
    menu.addSeparator();
    menu.addItem(new MenuItem(constants.cwMenuBarHelpCategory(), helpMenu));
    String[] helpOptions = constants.cwMenuBarHelpOptions();
    for (int i = 0; i < helpOptions.length; i++) {
        helpMenu.addItem(helpOptions[i], menuCommand);
    }

    // Return the menu
    menu.ensureDebugId("cwMenuBar");
    return menu;
}

From source file:com.google.gwt.sample.showcase.client.content.other.CwCookies.java

License:Apache License

/**
 * Initialize this example.//from  www  .j av  a2s  .c o  m
 */
@ShowcaseSource
@Override
public Widget onInitialize() {
    // Create the panel used to layout the content
    Grid mainLayout = new Grid(3, 3);

    // Display the existing cookies
    existingCookiesBox = new ListBox();
    Button deleteCookieButton = new Button(constants.cwCookiesDeleteCookie());
    deleteCookieButton.addStyleName("sc-FixedWidthButton");
    mainLayout.setHTML(0, 0, "<b>" + constants.cwCookiesExistingLabel() + "</b>");
    mainLayout.setWidget(0, 1, existingCookiesBox);
    mainLayout.setWidget(0, 2, deleteCookieButton);

    // Display the name of the cookie
    cookieNameBox = new TextBox();
    mainLayout.setHTML(1, 0, "<b>" + constants.cwCookiesNameLabel() + "</b>");
    mainLayout.setWidget(1, 1, cookieNameBox);

    // Display the name of the cookie
    cookieValueBox = new TextBox();
    Button setCookieButton = new Button(constants.cwCookiesSetCookie());
    setCookieButton.addStyleName("sc-FixedWidthButton");
    mainLayout.setHTML(2, 0, "<b>" + constants.cwCookiesValueLabel() + "</b>");
    mainLayout.setWidget(2, 1, cookieValueBox);
    mainLayout.setWidget(2, 2, setCookieButton);

    // Add a handler to set the cookie value
    setCookieButton.addClickHandler(new ClickHandler() {
        public void onClick(ClickEvent event) {
            String name = cookieNameBox.getText();
            String value = cookieValueBox.getText();
            Date expires = new Date((new Date()).getTime() + COOKIE_TIMEOUT);

            // Verify the name is valid
            if (name.length() < 1) {
                Window.alert(constants.cwCookiesInvalidCookie());
                return;
            }

            // Set the cookie value
            Cookies.setCookie(name, value, expires);
            refreshExistingCookies(name);
        }
    });

    // Add a handler to select an existing cookie
    existingCookiesBox.addChangeHandler(new ChangeHandler() {
        public void onChange(ChangeEvent event) {
            updateExstingCookie();
        }
    });

    // Add a handler to delete an existing cookie
    deleteCookieButton.addClickHandler(new ClickHandler() {
        public void onClick(ClickEvent event) {
            int selectedIndex = existingCookiesBox.getSelectedIndex();
            if (selectedIndex > -1 && selectedIndex < existingCookiesBox.getItemCount()) {
                String cookieName = existingCookiesBox.getValue(selectedIndex);
                Cookies.removeCookie(cookieName);
                existingCookiesBox.removeItem(selectedIndex);
                updateExstingCookie();
            }
        }
    });

    // Return the main layout
    refreshExistingCookies(null);
    return mainLayout;
}

From source file:com.google.gwt.sample.showcase.client.content.widgets.CwBasicButton.java

License:Apache License

/**
 * Initialize this example./* ww  w  .  j  a  v a2 s.co m*/
 */
@ShowcaseSource
@Override
public Widget onInitialize() {
    // Create a panel to align the widgets
    HorizontalPanel hPanel = new HorizontalPanel();
    hPanel.setSpacing(10);

    // Add a normal button
    Button normalButton = new Button(constants.cwBasicButtonNormal(), new ClickHandler() {
        public void onClick(ClickEvent event) {
            Window.alert(constants.cwBasicButtonClickMessage());
        }
    });
    normalButton.ensureDebugId("cwBasicButton-normal");
    hPanel.add(normalButton);

    // Add a disabled button
    Button disabledButton = new Button(constants.cwBasicButtonDisabled());
    disabledButton.ensureDebugId("cwBasicButton-disabled");
    disabledButton.setEnabled(false);
    hPanel.add(disabledButton);

    // Return the panel
    return hPanel;
}

From source file:com.google.gwt.sample.showcase.client.content.widgets.CwFileUpload.java

License:Apache License

/**
 * Initialize this example.//from w ww.  ja v a2s  .  c  om
 */
@ShowcaseSource
@Override
public Widget onInitialize() {
    // Create a vertical panel to align the content
    VerticalPanel vPanel = new VerticalPanel();

    // Add a label
    vPanel.add(new HTML(constants.cwFileUploadSelectFile()));

    // Add a file upload widget
    final FileUpload fileUpload = new FileUpload();
    fileUpload.ensureDebugId("cwFileUpload");
    vPanel.add(fileUpload);

    // Add a button to upload the file
    Button uploadButton = new Button(constants.cwFileUploadButton());
    uploadButton.addClickHandler(new ClickHandler() {
        public void onClick(ClickEvent event) {
            String filename = fileUpload.getFilename();
            if (filename.length() == 0) {
                Window.alert(constants.cwFileUploadNoFileError());
            } else {
                Window.alert(constants.cwFileUploadSuccessful());
            }
        }
    });
    vPanel.add(new HTML("<br>"));
    vPanel.add(uploadButton);

    // Return the layout panel
    return vPanel;
}

From source file:com.google.gwt.sample.showcase.client.ContentWidget.java

License:Apache License

/**
 * Ensure that the demo widget has been initialized. Note that initialization
 * can fail if there is a network failure.
 *///from w  w  w.  j a  v  a2s .com
private void ensureWidgetInitialized() {
    if (widgetInitializing || widgetInitialized) {
        return;
    }

    widgetInitializing = true;

    asyncOnInitialize(new AsyncCallback<Widget>() {
        public void onFailure(Throwable reason) {
            widgetInitializing = false;
            Window.alert("Failed to download code for this widget (" + reason + ")");
        }

        public void onSuccess(Widget result) {
            widgetInitializing = false;
            widgetInitialized = true;

            Widget widget = result;
            if (widget != null) {
                view.setExample(widget);
            }
            onInitializeComplete();
        }
    });
}

From source file:com.google.gwt.sample.simplerpc.client.SimpleRPC.java

License:Apache License

/**
 * Create an asynchronous callback for the <code>getMultipleStrings</code>
 * RPC call. The same callback can be used for many RPC calls or customized
 * for a single one./*from   ww  w .  ja va 2 s  . c o m*/
 */
private AsyncCallback<Map<Integer, String>> createGetMultipleStringsCallback(final Panel root) {
    return new AsyncCallback<Map<Integer, String>>() {

        public void onFailure(Throwable caught) {
            Window.alert("error: " + caught);
        }

        public void onSuccess(Map<Integer, String> result) {
            FlexTable t = new FlexTable();
            t.setBorderWidth(2);
            t.setHTML(0, 0, "<b>Map Key</b>");
            t.setHTML(0, 1, "<b>Map Value</b>");
            int index = 1;
            for (Entry<Integer, String> element : result.entrySet()) {
                Integer key = element.getKey();
                String value = element.getValue();
                t.setText(index, 0, key.toString());
                t.setText(index, 1, value);
                ++index;
            }
            root.add(new HTML("<h3>Result(on success)</h3>"));
            root.add(t);
        }
    };
}