Package com.google.gwt.user.client.ui

Examples of com.google.gwt.user.client.ui.Button.addClickHandler()

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    leftLayout.add(new HTML("<h3>Drawing options:</h3>"));

    Button circleBtn = new Button("Draw circle");
    circleBtn.setWidth("200");
    circleBtn.addClickHandler(new ClickHandler() {

      public void onClick(ClickEvent event) {
        Circle circle = new Circle(0, 0, 3000000);
        circle.setFillColor("#66CC66");
        circle.setFillOpacity(0.4);
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    });
    leftLayout.add(circleBtn);

    Button deleteBtn = new Button("Delete all drawings");
    deleteBtn.setWidth("200");
    deleteBtn.addClickHandler(new ClickHandler() {

      public void onClick(ClickEvent arg0) {
        container.clear();
      }
    });
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    leftLayout.add(new HTML("<h3>Drawing options:</h3>"));

    Button rectangleBtn = new Button("Draw rectangle");
    rectangleBtn.setWidth("200");
    rectangleBtn.addClickHandler(new ClickHandler() {

      public void onClick(ClickEvent event) {
        Rectangle rectangle = new Rectangle(60, 40, 200, 80);
        rectangle.setFillColor("#CC9900");
        rectangle.setFillOpacity(0.4);
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    });
    leftLayout.add(rectangleBtn);

    Button textBtn = new Button("Draw text");
    textBtn.setWidth("200");
    textBtn.addClickHandler(new ClickHandler() {

      public void onClick(ClickEvent event) {
        Text text = new Text(70, 60, "Hello World");
        text.setFontFamily("Arial");
        text.setFontSize(16);
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    });
    leftLayout.add(textBtn);

    Button circleBtn = new Button("Draw circle");
    circleBtn.setWidth("200");
    circleBtn.addClickHandler(new ClickHandler() {

      public void onClick(ClickEvent event) {
        Circle circle = new Circle(300, 140, 30);
        circle.setFillColor("#0099CC");
        circle.setFillOpacity(0.4);
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    });
    leftLayout.add(circleBtn);

    Button pathBtn = new Button("Draw path");
    pathBtn.setWidth("200");
    pathBtn.addClickHandler(new ClickHandler() {

      public void onClick(ClickEvent event) {
        Path path = new Path(120, 160);
        path.setFillColor("#0066AA");
        path.setFillOpacity(0.4);
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    });
    leftLayout.add(pathBtn);

    Button deleteBtn = new Button("Delete all drawings");
    deleteBtn.setWidth("200");
    deleteBtn.addClickHandler(new ClickHandler() {

      public void onClick(ClickEvent arg0) {
        container.clear();
      }
    });
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    leftLayout.add(new HTML("<h3>Resize the map:</h3>"));

    Button resizeBtn = new Button("Enlarge map");
    resizeBtn.setWidth("200");
    resizeBtn.addClickHandler(new ClickHandler() {

      public void onClick(ClickEvent arg0) {
        int width = mapPresenter.getViewPort().getMapWidth() + 20;
        int height = mapPresenter.getViewPort().getMapHeight() + 15;
        mapPresenter.setSize(width, height);
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    });
    leftLayout.add(resizeBtn);

    Button shrinkBtn = new Button("Shrink map");
    shrinkBtn.setWidth("200");
    shrinkBtn.addClickHandler(new ClickHandler() {

      public void onClick(ClickEvent arg0) {
        int width = mapPresenter.getViewPort().getMapWidth() - 20;
        int height = mapPresenter.getViewPort().getMapHeight() - 15;
        mapPresenter.setSize(width, height);
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    @Override
    public void onModuleLoad() {
    
        Button button = new Button("Broadcast");
        button.addClickHandler(new ClickHandler() {
            @Override
            public void onClick(ClickEvent event) {
                sendMessage();
            }
        });
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