Example usage for com.google.gwt.user.client.ui Button Button

List of usage examples for com.google.gwt.user.client.ui Button Button

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Introduction

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

Prototype

protected Button(com.google.gwt.dom.client.Element element)

Source Link

Document

This constructor may be used by subclasses to explicitly use an existing element.

Usage

From source file:com.google.gwt.examples.FlexTableExample.java

License:Apache License

public void onModuleLoad() {
    // Tables have no explicit size -- they resize automatically on demand.
    FlexTable t = new FlexTable();

    // Put some text at the table's extremes.  This forces the table to be
    // 3 by 3.//from w w  w .  ja  v a2  s . c  o m
    t.setText(0, 0, "upper-left corner");
    t.setText(2, 2, "bottom-right corner");

    // Let's put a button in the middle...
    t.setWidget(1, 0, new Button("Wide Button"));

    // ...and set it's column span so that it takes up the whole row.
    t.getFlexCellFormatter().setColSpan(1, 0, 3);

    RootPanel.get().add(t);
}

From source file:com.google.gwt.examples.GridExample.java

License:Apache License

public void onModuleLoad() {
    // Grids must be sized explicitly, though they can be resized later.
    Grid g = new Grid(5, 5);

    // Put some values in the grid cells.
    for (int row = 0; row < 5; ++row) {
        for (int col = 0; col < 5; ++col)
            g.setText(row, col, "" + row + ", " + col);
    }//from   w  ww . j a  v  a 2  s . co  m

    // Just for good measure, let's put a button in the center.
    g.setWidget(2, 2, new Button("Does nothing, but could"));

    // You can use the CellFormatter to affect the layout of the grid's cells.
    g.getCellFormatter().setWidth(0, 2, "256px");

    RootPanel.get().add(g);
}

From source file:com.google.gwt.examples.PopupPanelExample.java

License:Apache License

public void onModuleLoad() {
    Button b1 = new Button("Click me to show popup");
    b1.addClickHandler(new ClickHandler() {
        public void onClick(ClickEvent event) {
            // Instantiate the popup and show it.
            new MyPopup().show();
        }/*from  w w w . ja  v a  2 s .  co  m*/
    });

    RootPanel.get().add(b1);

    Button b2 = new Button("Click me to show popup partway across the screen");

    b2.addClickHandler(new ClickHandler() {
        public void onClick(ClickEvent event) {
            // Create the new popup.
            final MyPopup popup = new MyPopup();
            // Position the popup 1/3rd of the way down and across the screen, and
            // show the popup. Since the position calculation is based on the
            // offsetWidth and offsetHeight of the popup, you have to use the
            // setPopupPositionAndShow(callback) method. The alternative would
            // be to call show(), calculate the left and top positions, and
            // call setPopupPosition(left, top). This would have the ugly side
            // effect of the popup jumping from its original position to its
            // new position.
            popup.setPopupPositionAndShow(new PopupPanel.PositionCallback() {
                public void setPosition(int offsetWidth, int offsetHeight) {
                    int left = (Window.getClientWidth() - offsetWidth) / 3;
                    int top = (Window.getClientHeight() - offsetHeight) / 3;
                    popup.setPopupPosition(left, top);
                }
            });
        }
    });

    RootPanel.get().add(b2);
}

From source file:com.google.gwt.examples.TimerExample.java

License:Apache License

public void onModuleLoad() {
    Button b = new Button("Click and wait 5 seconds");
    b.addClickHandler(this);

    RootPanel.get().add(b);/*from  www .j  a  va2  s  . c om*/
}

From source file:com.google.gwt.gadgets.sample.basicgadgetads.client.BasicGadgetAds.java

License:Apache License

@Override
protected void init(AdsUserPreferences preferences) {

    // Creating the Panel
    VerticalPanel vp = new VerticalPanel();
    RootPanel.get().add(vp);/* w  w  w  .j  ava2 s  .  c  o  m*/

    // Setting style and alignment
    vp.setVerticalAlignment(HasVerticalAlignment.ALIGN_MIDDLE);
    vp.setHorizontalAlignment(HasHorizontalAlignment.ALIGN_CENTER);

    // Using GadgetImage instead of Image will cache your images on the
    // Gadget's Container server. It is a Gadget Ads requirement that all
    // embedded assets must be cached.
    vp.add(new GadgetImage("http://code.google.com/webtoolkit/images/gwt-logo.png"));

    // Adding a waiting message to the RootPanel
    Label disclaimer = new Label("Use GWT for your Gadget Ads!");
    vp.add(disclaimer);

    // Another Logo
    vp.add(new GadgetImage("http://code.google.com/webtoolkit/images/gwt-logo.png"));

    // Adding the button to go to the GWT website
    Button button = new Button("Visit the GWT Website NOW!!");
    vp.add(button);

    // When clicking the button, we are redirected to the GWT website.
    // We use the AdsFeature.clickDestinationUrl() which will redirect to the
    // URL and report the clickthrough hit.
    // It is a GadgetAds requirement to use some AdsFeature.reportInteraction()
    // or AdsFeature.clickDestinationUrl()
    button.addClickHandler(new ClickHandler() {
        public void onClick(ClickEvent event) {
            adsFeature.clickDestinationUrl("http://code.google.com/webtoolkit/");
        }
    });

    // Another Logo
    vp.add(new GadgetImage("http://code.google.com/webtoolkit/images/gwt-logo.png"));

    // Some styling
    vp.setHeight("100%");
    vp.setWidth("100%");
    button.setWidth("80%");
    button.getElement().getStyle().setProperty("cursor", "pointer");
    button.getElement().getStyle().setPropertyPx("fontSize", 15);
    button.getElement().getStyle().setProperty("fontWeight", "bold");
    button.getElement().getStyle().setPropertyPx("padding", 5);
}

From source file:com.google.gwt.gadgets.sample.gadgetrpc.client.GadgetRPC.java

License:Apache License

@Override
protected void init(GadgetRPC.Preferences preferences) {

    gadgetService = GWT.create(GadgetService.class);
    ServiceDefTarget serviceDef = (ServiceDefTarget) gadgetService;
    String rpcUrl = serviceDef.getServiceEntryPoint();

    // Uses Gadgets container as proxy for GWT RPC requests
    GadgetsGwtRpc.redirectThroughProxy(serviceDef);

    // Build the user interface.
    VerticalPanel vp = new VerticalPanel();
    vp.setWidth("100%");

    vp.add(new Label("RPC to: " + rpcUrl));

    HorizontalPanel startedHp = new HorizontalPanel();
    startedHp.add(new Label("Server Start Time: "));
    startedHp.add(serverStartedText);/* w  ww .  j av a2s .co  m*/
    vp.add(startedHp);

    HorizontalPanel currentHp = new HorizontalPanel();
    currentHp.add(new Label("Server Current Time: "));
    currentHp.add(serverCurrentText);
    vp.add(currentHp);

    Button doRPCButton = new Button("Call RPC Method");
    vp.add(doRPCButton);

    vp.add(exceptionInfo);

    RootPanel.get().add(vp);

    // Setup a button listener to invoke the RPC.
    doRPCButton.addClickHandler(new ClickHandler() {
        public void onClick(ClickEvent event) {
            gadgetService.getServerInfo(rpcCallback);
        }
    });
}

From source file:com.google.gwt.gadgets.sample.hellogadgets.client.HelloGadgets.java

License:Apache License

@Override
protected void init(final HelloPreferences prefs) {
    Image img = new Image("http://code.google.com/webtoolkit/logo-185x175.png");
    Button button = new Button("Click me");

    VerticalPanel vPanel = new VerticalPanel();
    vPanel.setWidth("100%");
    vPanel.setHorizontalAlignment(VerticalPanel.ALIGN_CENTER);
    vPanel.add(img);//from   w  w  w.ja v a  2 s  .  c  o  m
    vPanel.add(button);

    RootPanel.get().add(vPanel);

    // Create the dialog box
    final DialogBox dialogBox = new DialogBox();

    // The content of the dialog comes from a User specified Preference
    dialogBox.setText(prefs.promptSomethingElse().getValue());
    dialogBox.setAnimationEnabled(true);
    Button closeButton = new Button("Close");
    VerticalPanel dialogVPanel = new VerticalPanel();
    dialogVPanel.setWidth("100%");
    dialogVPanel.setHorizontalAlignment(VerticalPanel.ALIGN_CENTER);
    dialogVPanel.add(closeButton);

    closeButton.addClickHandler(new ClickHandler() {
        public void onClick(ClickEvent event) {
            dialogBox.hide();
        }
    });

    // Set the contents of the Widget
    dialogBox.setWidget(dialogVPanel);

    button.addClickHandler(new ClickHandler() {
        public void onClick(ClickEvent event) {
            dialogBox.center();
            dialogBox.show();
        }
    });
}

From source file:com.google.gwt.gadgets.sample.simplegadget.client.SimpleGadget.java

License:Apache License

@Override
protected void init(UserPreferences preferences) {
    Button changeTitleButton = new Button("Change Title");
    changeTitleButton.addClickHandler(new ClickHandler() {

        public void onClick(ClickEvent event) {
            titleFeature.setTitle(titles[titleIndex++ % titles.length]);
        }/* w w w. jav a  2s  .c o m*/

    });
    RootLayoutPanel.get().add(changeTitleButton);
}

From source file:com.google.gwt.gadgets.sample.traveler.client.ErrorNotifier.java

License:Apache License

private ErrorNotifier() {
    dialogBox = new DialogBox();
    dialogBox.setText("Error occurred");
    dialogBox.setAnimationEnabled(true);

    codeLabel = new Label();
    detailsHTML = new HTML();
    detailsHTML.setVisible(false);//ww  w .  j av a2s  .  c  o  m
    detailsButton = new Button("Show details");
    detailsButton.addClickHandler(new ClickHandler() {
        public void onClick(ClickEvent event) {
            toggleDetails();
        }
    });
    final Button closeButton = new Button("Close");
    closeButton.addClickHandler(new ClickHandler() {
        public void onClick(ClickEvent event) {
            dialogBox.hide();
        }
    });

    VerticalPanel dialogVPanel = new VerticalPanel();
    dialogVPanel.setStylePrimaryName("error-panel");
    dialogVPanel.setHorizontalAlignment(HasHorizontalAlignment.ALIGN_CENTER);
    dialogVPanel.add(codeLabel);

    dialogVPanel.add(detailsHTML);
    FlowPanel buttons = new FlowPanel();
    buttons.add(detailsButton);
    buttons.add(closeButton);
    dialogVPanel.add(buttons);
    dialogBox.setWidget(dialogVPanel);
}

From source file:com.google.gwt.gadgets.sample.traveler.client.PersonBrowser.java

License:Apache License

/**
 * Constructs widget using given {@link PeopleService}.
 *
 * @param people {@link PeopleService} instance being a source of data.
 * @param height height of the gadget.//  www  .ja  v  a 2s. c om
 * @param noPhotoUrl url to the thumbnail to be used if thumbnail for a
 *          displayed friend is unavailable.
 */
public PersonBrowser(PeopleService people, int height, String noPhotoUrl) {
    this.people = people;
    this.cellSize = height;
    this.noPhotoUrl = noPhotoUrl;
    DockLayoutPanel panel = new DockLayoutPanel(Unit.PX);

    friendsGrid = new Grid(1, pageSize);
    friendsGrid.setWidth("100%");
    friendsGrid.setCellPadding(0);
    friendsGrid.setCellSpacing(0);

    Button prevButton = new Button("&lt;");
    Button nextButton = new Button("&gt;");

    prevButton.addClickHandler(new ClickHandler() {
        public void onClick(ClickEvent event) {
            start = Math.max(start - 1, 0);
            showItems();
        }
    });

    nextButton.addClickHandler(new ClickHandler() {
        public void onClick(ClickEvent event) {
            start = Math.min(start + 1, Math.max(total - pageSize, 0));
            showItems();
        }
    });

    panel.addWest(prevButton, BUTTON_WIDTH);
    panel.addEast(nextButton, BUTTON_WIDTH);
    panel.add(friendsGrid);

    showItems();

    initWidget(panel);
}