예제 #1
0
  /** loading constructor */
  public VPopupView() {
    super();
    popup = new CustomPopup();

    setStyleName(CLASSNAME);
    popup.setStyleName(CLASSNAME + "-popup");
    loading.setStyleName(CLASSNAME + "-loading");

    setHTML("");
    popup.setWidget(loading);

    // When we click to open the popup...
    addClickHandler(
        new ClickHandler() {
          @Override
          public void onClick(ClickEvent event) {
            if (isEnabled()) {
              preparePopup(popup);
              showPopup(popup);
              center();
              fireEvent(new VisibilityChangeEvent(true));
            }
          }
        });

    // ..and when we close it
    popup.addCloseHandler(
        new CloseHandler<PopupPanel>() {
          @Override
          public void onClose(CloseEvent<PopupPanel> event) {
            fireEvent(new VisibilityChangeEvent(false));
          }
        });

    // TODO: Enable animations once GWT fix has been merged
    popup.setAnimationEnabled(false);

    popup.setAutoHideOnHistoryEventsEnabled(false);
  }
예제 #2
0
  /** For internal use only. May be removed or replaced in the future. */
  public void center() {
    int windowTop = RootPanel.get().getAbsoluteTop();
    int windowLeft = RootPanel.get().getAbsoluteLeft();
    int windowRight = windowLeft + RootPanel.get().getOffsetWidth();
    int windowBottom = windowTop + RootPanel.get().getOffsetHeight();

    int offsetWidth = popup.getOffsetWidth();
    int offsetHeight = popup.getOffsetHeight();

    int hostHorizontalCenter =
        VPopupView.this.getAbsoluteLeft() + VPopupView.this.getOffsetWidth() / 2;
    int hostVerticalCenter =
        VPopupView.this.getAbsoluteTop() + VPopupView.this.getOffsetHeight() / 2;

    int left = hostHorizontalCenter - offsetWidth / 2;
    int top = hostVerticalCenter - offsetHeight / 2;

    // Don't show the popup outside the screen.
    if ((left + offsetWidth) > windowRight) {
      left -= (left + offsetWidth) - windowRight;
    }

    if ((top + offsetHeight) > windowBottom) {
      top -= (top + offsetHeight) - windowBottom;
    }

    if (left < 0) {
      left = 0;
    }

    if (top < 0) {
      top = 0;
    }

    popup.setPopupPosition(left, top);
  }
예제 #3
0
 /**
  * Make sure that we remove the popup when the main widget is removed.
  *
  * @see com.google.gwt.user.client.ui.Widget#onUnload()
  */
 @Override
 protected void onDetach() {
   popup.hide();
   super.onDetach();
 }
예제 #4
0
 /**
  * Determines the correct position for a popup and displays the popup at that position.
  *
  * <p>By default, the popup is shown centered relative to its host component, ensuring it is
  * visible on the screen if possible.
  *
  * <p>Can be overridden to customize the popup position.
  *
  * @param popup
  */
 public void showPopup(final CustomPopup popup) {
   popup.setPopupPosition(0, 0);
 }
예제 #5
0
 /** For internal use only. May be removed or replaced in the future. */
 public void preparePopup(final CustomPopup popup) {
   popup.setVisible(true);
   popup.setWidget(loading);
   popup.show();
 }