Package com.google.gwt.user.client.Event

Examples of com.google.gwt.user.client.Event.NativePreviewHandler


    }
    this.showing = showing;

    // Create or remove the native preview handler
    if (showing) {
      nativePreviewHandlerRegistration = Event.addNativePreviewHandler(new NativePreviewHandler() {
        public void onPreviewNativeEvent(NativePreviewEvent event) {
          previewNativeEvent(event);
        }
      });
    } else if (nativePreviewHandlerRegistration != null) {
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    /**
     * Constructor.<p>
     */
    private ButtonBarHandler() {

        Event.addNativePreviewHandler(new NativePreviewHandler() {

            public void onPreviewNativeEvent(NativePreviewEvent event) {

                NativeEvent nativeEvent = event.getNativeEvent();
                if (event.getTypeInt() != Event.ONMOUSEDOWN) {
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      el().center(true);
    }

    el().updateZIndex(0);
    if (modal) {
      modalPreview = Event.addNativePreviewHandler(new NativePreviewHandler() {
        public void onPreviewNativeEvent(NativePreviewEvent event) {
          if (Element.is(event.getNativeEvent().getEventTarget())) {
            Element target = (Element) Element.as(event.getNativeEvent().getEventTarget());

            String tag = target.getTagName();
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      focusPanel.add(b);
      RootPanel.get().add(focusPanel);

      final StringBuilder sb = new StringBuilder();

      Event.addNativePreviewHandler(new NativePreviewHandler() {

         public void onPreviewNativeEvent(NativePreviewEvent event) {
            Event nativeEvent = Event.as(event.getNativeEvent());
            int eventType = DOM.eventGetType(nativeEvent);
            if (eventType == Event.ONCLICK) {
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      el().center(true);
    }

    el().updateZIndex(0);
    if (modal) {
      modalPreview = Event.addNativePreviewHandler(new NativePreviewHandler() {
        public void onPreviewNativeEvent(NativePreviewEvent event) {
          if (Element.is(event.getNativeEvent().getEventTarget())) {
            Element target = (Element) Element.as(event.getNativeEvent().getEventTarget());

            String tag = target.getTagName();
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   *
   * @param doBust true to bust the next click, false not to
   */
  private void setBustNextClick(boolean doBust) {
    if (doBust && bustClickHandler == null) {
      bustClickHandler = Event.addNativePreviewHandler(new NativePreviewHandler() {
        public void onPreviewNativeEvent(NativePreviewEvent event) {
          if (Event.ONCLICK == event.getTypeInt()) {
            event.getNativeEvent().stopPropagation();
            event.getNativeEvent().preventDefault();
            setBustNextClick(false);
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      historyHandlerRegistration = null;
    }

    // Create handlers if showing.
    if (showing) {
      nativePreviewHandlerRegistration = Event.addNativePreviewHandler(new NativePreviewHandler() {
        public void onPreviewNativeEvent(NativePreviewEvent event) {
          previewNativeEvent(event);
        }
      });
      historyHandlerRegistration = History.addValueChangeHandler(new ValueChangeHandler<String>() {
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        if (handleDragEvents
                && Event.as(startEvent).getTypeInt() == Event.ONMOUSEDOWN) {
            // only really start drag event on mousemove
            deferredStartRegistration = Event
                    .addNativePreviewHandler(new NativePreviewHandler() {

                        public void onPreviewNativeEvent(
                                NativePreviewEvent event) {
                            int typeInt = event.getTypeInt();
                            switch (typeInt) {
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      el().center(true);
    }

    el().updateZIndex(0);
    if (modal) {
      modalPreview = Event.addNativePreviewHandler(new NativePreviewHandler() {
        public void onPreviewNativeEvent(NativePreviewEvent event) {
          if (Element.is(event.getNativeEvent().getEventTarget())) {
            Element target = (Element) Element.as(event.getNativeEvent().getEventTarget());

            String tag = target.getTagName();
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      el().center(true);
    }

    el().updateZIndex(0);
    if (modal) {
      modalPreview = Event.addNativePreviewHandler(new NativePreviewHandler() {
        public void onPreviewNativeEvent(NativePreviewEvent event) {
          if (Element.is(event.getNativeEvent().getEventTarget())) {
            Element target = (Element) Element.as(event.getNativeEvent().getEventTarget());

            String tag = target.getTagName();
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