com.google.gwt.event.dom.client.MouseUpHandler Java Examples

/**
 * Constructs a {@PopupMenuItem}
 *
 * @param text The text label for the item.
 * @param cmd The command to run when the item is clicked.
 * @param isEnabled True if this menu item is enabled.
 * @param hide True if clicking this menu item should hide the popup.
 */
public PopupMenuItem(String text, Command cmd, boolean isEnabled, boolean hide) {
  super(text);
  setStyleName(RESOURCES.css().item());
  setEnabled(isEnabled);
  defaultEnabled = isEnabled;
  command = cmd;
  this.hide = hide;
  if (isPreClicked) {
    // If this menu is pre-clicked it doesn't require a full click to select
    // an item, just a mouseup over the item.  If the user then does click the
    // item then that will also give a mouseup so this handler will deal with
    // that case as well.
    addMouseUpHandler(new MouseUpHandler() {
      @Override
      public void onMouseUp(MouseUpEvent event) {
        onClicked();
      }
    });
  } else {
    addClickHandler(new ClickHandler() {
      public void onClick(ClickEvent e) {
        onClicked();
      }
    });
  }
  // Ensure that clicking this menu item doesn't affect the current selection.
  addMouseDownHandler(PREVENT_DEFAULT_HANDLER);
}
 

/**
 * Constructs a {@PopupMenuItem}
 *
 * @param text The text label for the item.
 * @param cmd The command to run when the item is clicked.
 * @param isEnabled True if this menu item is enabled.
 * @param hide True if clicking this menu item should hide the popup.
 */
public PopupMenuItem(String text, Command cmd, boolean isEnabled, boolean hide) {
  super(text);
  setStyleName(RESOURCES.css().item());
  setEnabled(isEnabled);
  defaultEnabled = isEnabled;
  command = cmd;
  this.hide = hide;
  if (isPreClicked) {
    // If this menu is pre-clicked it doesn't require a full click to select
    // an item, just a mouseup over the item.  If the user then does click the
    // item then that will also give a mouseup so this handler will deal with
    // that case as well.
    addMouseUpHandler(new MouseUpHandler() {
      @Override
      public void onMouseUp(MouseUpEvent event) {
        onClicked();
      }
    });
  } else {
    addClickHandler(new ClickHandler() {
      public void onClick(ClickEvent e) {
        onClicked();
      }
    });
  }
  // Ensure that clicking this menu item doesn't affect the current selection.
  addMouseDownHandler(PREVENT_DEFAULT_HANDLER);
}
 

/**
 * Add a widget on the diagram
 * 
 * @param w the widget to add
 * @param left left margin with the absolute panel
 * @param top top margin with the absolute panel
 * 
 * @return the shape
 */
public FunctionShape addWidget(final Widget w, int left, int top) {

	w.getElement().getStyle().setZIndex(3);
	final FunctionShape shape = new FunctionShape(this, w);

	shapes.add(shape);
	widgetShapeMap.put(w, shape);
	functionsMap.put(w, new HashMap<Widget, Connection>());

	if (w instanceof HasContextMenu) {
		w.addDomHandler(new MouseUpHandler() {
			@Override
			public void onMouseUp(MouseUpEvent event) {
				if (event.getNativeButton() == NativeEvent.BUTTON_RIGHT) {
					showMenu((HasContextMenu) w, event.getClientX(), event.getClientY());
				}
			}
		}, MouseUpEvent.getType());
	}
	widgetPanel.add(w, left, top);

	// Register the drag handler
	if (dragController != null) {
		registerDragHandler(shape);
	}

	// If the is mouse is over the widget, clear the topCanvas
	w.addDomHandler(new MouseOverHandler() {
		@Override
		public void onMouseOver(com.google.gwt.event.dom.client.MouseOverEvent arg0) {
			topCanvas.clear();
			mousePoint.setLeft(-30);
			mousePoint.setTop(-30);
		}
	}, com.google.gwt.event.dom.client.MouseOverEvent.getType());
	shape.draw();

	// Send event
	handlerManager.fireEvent(new NewFunctionEvent(w));
	return shape;
}
 

public HandlerRegistration addMouseUpHandler(MouseUpHandler handler) {
  return addDomHandler(handler, MouseUpEvent.getType());
}
 

@Override
public HandlerRegistration addMouseUpHandler(MouseUpHandler handler) {
	return addHandler(handler, MouseUpEvent.getType());
}
 

@Override
public HandlerRegistration addMouseUpHandler(MouseUpHandler handler) {
  return addDomHandler(handler, MouseUpEvent.getType());
}
 

@Override
public com.google.gwt.event.shared.HandlerRegistration addMouseUpHandler(MouseUpHandler handler) {
	return this.addDomHandler(handler, MouseUpEvent.getType());
}
 

@Override
public HandlerRegistration addMouseUpHandler(MouseUpHandler handler) {
	return this.addDomHandler(handler, MouseUpEvent.getType());
}
 

@Override
public HandlerRegistration addMouseUpHandler(MouseUpHandler handler) {
	return this.addDomHandler(handler, MouseUpEvent.getType());
}
 

@Override
public void showSuggestions(Oracle.Request request, final IsWidget textInput,
	Collection<? extends Suggestion<T>> suggestions, final SuggestionCallback<T> callback) {

	boolean anySuggestions = suggestions != null && !suggestions.isEmpty();
	if (!anySuggestions && this.hideWhenEmpty) {
		this.hideSuggestions();
		return;
	}

	if (this.suggestionPopup.isAttached()) {
		this.suggestionPopup.hide();
	}

	this.suggestionsContainer.clear();

	SuggestionItem<T> selected = null;
	for (final Oracle.Suggestion<T> currentSuggestion : suggestions) {
		String display = highlighter.highlight(currentSuggestion.getValue(), request.getQuery());
		final SuggestionItem<T> suggestionItem = new SuggestionItem<T>(currentSuggestion, display);
		if (selected == null) {
			selected = suggestionItem;
		}
		if (this.selectedItem != null && currentSuggestion.equals(this.selectedItem.suggestion)) {
			selected = suggestionItem;
		}

		suggestionItem.addDomHandler(new MouseUpHandler() {
			@Override
			public void onMouseUp(MouseUpEvent event) {
				if (textInput instanceof Focusable) {
					((Focusable) textInput).setFocus(true);
				}
				SuggestionDisplayImpl.this.setSuggestionItemSelected(suggestionItem);
				callback.onSuggestionSelected(suggestionItem.suggestion);
			}
		}, MouseUpEvent.getType());

		this.suggestionsContainer.append(suggestionItem);
	}

	this.setSuggestionItemSelected(selected);

	if (this.lastTextInput != textInput) {
		if (this.lastTextInput != null) {
			this.suggestionPopup.removeAutoHidePartner(this.lastTextInput.asWidget().getElement());
		}
		this.lastTextInput = textInput;
		this.suggestionPopup.addAutoHidePartner(this.lastTextInput.asWidget().getElement());
	}

	this.suggestionPopup.showRelativeTo(this.lastTextInput.asWidget());
	this.scrollToSelected();
}
 

@Override
public HandlerRegistration addMouseUpHandler(MouseUpHandler handler) {
  return addDomHandler(handler, MouseUpEvent.getType());
}