Java Code Examples for com.google.gwt.user.client.Event#getTypeInt()

/**
 * Handles special behavior of the mouse down event.
 *
 * @param event
 */
private void handleMouseDownEvent(Event event) {
	/*
	 * Prevent the keyboard focus from leaving the textfield by preventing
	 * the default behaviour of the browser. Fixes #4285.
	 */
	if (event.getTypeInt() == Event.ONMOUSEDOWN) {
		debug("VComboBoxMultiselect: blocking mouseDown event to avoid blur");

		event.preventDefault();
		event.stopPropagation();

		/*
		 * In IE the above wont work, the blur event will still trigger. So,
		 * we set a flag here to prevent the next blur event from happening.
		 * This is not needed if do not already have focus, in that case
		 * there will not be any blur event and we should not cancel the
		 * next blur.
		 */
		if (BrowserInfo.get()
			.isIE() && this.focused) {
			this.preventNextBlurEventInIE = true;
			debug("VComboBoxMultiselect: Going to prevent next blur event on IE");
		}
	}
}
 

/**
 * Handles special behavior of the mouse down event.
 *
 * @param event
 */
private void handleMouseDownEvent(Event event) {
	/*
	 * Prevent the keyboard focus from leaving the textfield by preventing
	 * the default behaviour of the browser. Fixes #4285.
	 */
	if (event.getTypeInt() == Event.ONMOUSEDOWN) {
		debug("VComboBoxMultiselect: blocking mouseDown event to avoid blur");

		event.preventDefault();
		event.stopPropagation();

		/*
		 * In IE the above wont work, the blur event will still trigger. So,
		 * we set a flag here to prevent the next blur event from happening.
		 * This is not needed if do not already have focus, in that case
		 * there will not be any blur event and we should not cancel the
		 * next blur.
		 */
		if (BrowserInfo.get()
			.isIE() && this.focused) {
			this.preventNextBlurEventInIE = true;
			debug("VComboBoxMultiselect: Going to prevent next blur event on IE");
		}
	}
}
 

@Override
public void onBrowserEvent(Event event) {
	debug("VComboBoxMultiselect.SP: onBrowserEvent()");

	if (event.getTypeInt() == Event.ONCLICK) {
		final Element target = DOM.eventGetTarget(event);
		if (target == this.up || target == DOM.getChild(this.up, 0)) {
			this.lazyPageScroller.scrollUp();
		} else if (target == this.down || target == DOM.getChild(this.down, 0)) {
			this.lazyPageScroller.scrollDown();
		}

	}

	/*
	 * Prevent the keyboard focus from leaving the textfield by
	 * preventing the default behaviour of the browser. Fixes #4285.
	 */
	handleMouseDownEvent(event);
}
 

@Override
public void onBrowserEvent(Event event) {
    if (contextMenuHandler != null && event.getTypeInt() == Event.ONCONTEXTMENU) {
        contextMenuHandler.onContextMenu(event);
        return;
    }

    if ((event.getTypeInt() == Event.ONCLICK
            || event.getTypeInt() == Event.ONMOUSEDOWN)
            && event.getButton() != NativeEvent.BUTTON_LEFT) {
        event.preventDefault();
        event.stopPropagation();
        return;
    }

    super.onBrowserEvent(event);
}
 

@Override
public void onBrowserEvent(Event event) {
    super.onBrowserEvent(event);

    // if not click event or some other event was fired
    if (event.getTypeInt() != Event.ONCLICK) {
        return;
    }

    // if day cell has expanded events
    if (getElement().getClassName().contains("scrollable")) {
        return;
    }

    Element target = Element.as(event.getEventTarget());
    Widget widget = WidgetUtil.findWidget(target);
    if ((widget instanceof CubaSimpleDayCell) || target.getClassName().contains("spacer")) {
        CubaCalendarWidget cubaCalendar = (CubaCalendarWidget) calendar;
        if (cubaCalendar.getDayClickListener() != null) {
            cubaCalendar.getDayClickListener().accept(getDate());
        }
    }
}
 

@Override
public void onBrowserEvent(final Event event) {
    if (!isEnabled()) {
        return;
    }
    if (event != null && (event.getTypeInt() == Event.ONCLICK)) {
        animateTo(!this.expand, this.animationDuration, true);
    }
    super.onBrowserEvent(event);
}
 

@Override
public void onBrowserEvent(Event event) {
	super.onBrowserEvent(event);

	if (event.getTypeInt() == Event.ONPASTE) {
		if (this.textInputEnabled) {
			filterOptions(this.currentPage);
		}
	}
}
 

@Override
public void onBrowserEvent(Event event) {
	if (event.getTypeInt() == Event.ONCONTEXTMENU) {
		event.stopPropagation();
		event.preventDefault();
		return;
	}
	super.onBrowserEvent(event);
}
 

@Override
public void onBrowserEvent(Event event) {
    super.onBrowserEvent(event);

    if (isEnabled() && event.getTypeInt() == Event.ONCONTEXTMENU) {
        if (getStyleName().contains("-header-sortable")) {
            _delegate.showSortMenu(td, cid);
        }

        event.preventDefault();
        event.stopPropagation();
    }
}
 

public static String asString(Event event) {
  // Start with the event type string
  String string = DOM.eventGetTypeString(event);
  // Next type-specific fields
  switch (event.getTypeInt()) {
  case Event.ONKEYPRESS:
  case Event.ONKEYUP:
  case Event.ONKEYDOWN:
    string += key(event) + modifiers(event);
    break;
  case Event.ONCLICK:
  case Event.ONDBLCLICK:
  case Event.ONMOUSEMOVE:
    string += mousePoint(event) + modifiers(event);
    break;
  case Event.ONMOUSEDOWN:
  case Event.ONMOUSEUP:
    string += mousePoint(event) + mouseButtons(event) + modifiers(event);
    break;
  case Event.ONMOUSEOUT:
    string += mousePoint(event) + modifiers(event) + " to: " + getToElement(event);
    break;
  case Event.ONMOUSEOVER:
    string += mousePoint(event) + modifiers(event) + " from: " + getFromElement(event);
    break;
  case Event.ONMOUSEWHEEL:
    string += " " + getMouseWheelVelocityY(event) + mousePoint(event) + modifiers(event);
    break;
  case Event.ONFOCUS:
  case Event.ONBLUR:
  case Event.ONCHANGE:
  case Event.ONERROR:
  case Event.ONLOAD:
  case Event.ONLOSECAPTURE:
  case Event.ONSCROLL:
    break;
  }
  return string;
}
 

/**
 * Invoked by GWT whenever a browser event is dispatched to this component.
 */
@Override
public void onBrowserEvent(Event event) {
  if (!shouldCancel(event)) return;
  switch (event.getTypeInt()) {
    case Event.ONTOUCHSTART:
    case Event.ONTOUCHEND:
      if (isForm()) {
        select();
      }
    case Event.ONTOUCHMOVE:
    case Event.ONTOUCHCANCEL:
      cancelBrowserEvent(event);
      DomEvent.fireNativeEvent(event, handlers);
      break;

    case Event.ONMOUSEDOWN:
    case Event.ONMOUSEUP:
    case Event.ONMOUSEMOVE:
    case Event.ONMOUSEOVER:
    case Event.ONMOUSEOUT:
      cancelBrowserEvent(event);
      mouseListeners.fireMouseEvent(this, event);
      break;

    case Event.ONCLICK:
      cancelBrowserEvent(event);
      select();
      break;

    default:
      // Ignore unexpected events
      break;
  }
}
 

/**
 * @return A string describing which modifier keys were pressed,
 *        and whether this was a repeat event,  e.g., " shift ctrl"
 */
@SuppressWarnings("deprecation")
public static String modifiers(Event event) {
  // repeat is deprecated, but useful for debugging
  return (event.getAltKey() ? " alt" : "")
  + (event.getShiftKey() ? " shift" : "")
  + (event.getCtrlKey() ? " ctrl" : "")
  + (event.getMetaKey() ? " meta" : "")
  + ((event.getTypeInt() == Event.ONKEYDOWN) && event.getRepeat() ? " repeat" : "");
}
 

@Override
public void onBrowserEvent(Event event) {
    if (event.getTypeInt() == Event.ONPASTE) {
        // ignore paste
        return;
    }
    super.onBrowserEvent(event);
}
 

@Override
public void onBrowserEvent(Event event) { 
    if(event.getTypeInt() == Event.ONCLICK) {
    	event.stopPropagation(); 
    } 
    super.onBrowserEvent(event); 
}
 

@Override
public void onBrowserEvent(Event event) {
	super.onBrowserEvent(event);

	if (event.getTypeInt() == Event.ONPASTE) {
		if (this.textInputEnabled) {
			filterOptions(this.currentPage);
		}
	}
}
 

@Override
public void onBrowserEvent(Event event) {
	int type = event.getTypeInt();
	Element target = event.getCurrentTarget();
	if (type == Event.ONCLICK) {
		String dataDate = target.getAttribute(InputDatePicker.ATTRIBUTE_DATA_DATE);
		String dataCursor = target.getAttribute(InputDatePicker.ATTRIBUTE_DATA_CURSOR);
		String dataYear = target.getAttribute(InputDatePicker.ATTRIBUTE_DATA_YEAR);
		if (dataDate != null && dataDate.length() > 0) {
			this.mode = Mode.CALENDAR;
			this.setValue(InputDatePicker.ATTRIBUTE_DATE_FORMAT.parse(dataDate), true);
		} else if (dataCursor != null && dataCursor.length() > 0) {
			this.mode = Mode.CALENDAR;
			this.cursor = InputDatePicker.ATTRIBUTE_DATE_FORMAT.parse(dataCursor);
			this.redraw();
		} else if (dataYear != null && dataYear.length() > 0) {
			this.openMonthOfYear(Integer.valueOf(dataYear));
		} else if (target == this.monthPickerButton) {
			if (this.mode != Mode.MONTH) {
				this.mode = Mode.MONTH;
			} else {
				this.mode = Mode.CALENDAR;
			}
			this.redraw();
		}
		event.stopPropagation();
		event.preventDefault();
	} else if (type == Event.ONKEYDOWN) {
		this.handleKeyPress(event.getKeyCode());
		event.stopPropagation();
		event.preventDefault();
	} else {
		super.onBrowserEvent(event);
	}
}
 

@Override
public void onPreviewNativeEvent(NativePreviewEvent previewEvent) {
  if (autoHiders.isEmpty()) {
    return;
  }

  // TODO(danilatos,user,user): Push signal down a layer - clean this up.
  Event event = Event.as(previewEvent.getNativeEvent());
  int lowLevelType = event.getTypeInt();

  // TODO(danilatos): Insert this logic deeply rather than
  // sprinkling it in event handlers. Also the return value
  // of onEventPreview is the reverse of signal handlers.
  SignalEvent signal = SignalEventImpl.create(event, false);
  if (signal == null) {
    return;
  }

  // Key events (excluding escape) and mousewheel events use hideTopmostAutoHiderForKeyEvent
  if (lowLevelType == Event.ONMOUSEWHEEL || signal.isKeyEvent()) {
    if (hideTopmostAutoHiderForKeyEvent(false)) {
      // TODO(user): We don't call previewEvent.cancel() here, since for the floating-buttons
      // menu we want, for example, space-bar to still shift focus to the next blip.
      // The to-do is to audit the previewEvent.cancel call below and see why it's there (and if
      // it's not needed, eliminate it).
      return;
    }
  }

  // Pressing escape at any time causes us to close and discard the event.
  if (signal.getKeySignalType() == KeySignalType.NOEFFECT &&
      event.getKeyCode() == KeyCodes.KEY_ESCAPE) {
    if (hideTopmostAutoHiderForKeyEvent(true)) {
      previewEvent.cancel();
      return;
    }
  }

  // Click events and mouse-wheel events that fall through use hideAllAfter.
  if (lowLevelType == Event.ONMOUSEDOWN || lowLevelType == Event.ONMOUSEWHEEL) {
    hideAllAfter(signal.getTarget());
  }

  // Otherwise we don't do anything and the event continues as usual.
}
 

@Override
public void onBrowserEvent(Event event) {
    switch (event.getTypeInt()) {
        case Event.ONMOUSEDOWN:
            mouseDown = true;

  /*
   * Resize glassElem to take up the entire scrollable window area,
   * which is the greater of the scroll size and the client size.
   */
            int width = Math.max(Window.getClientWidth(),
                    Document.get().getScrollWidth());
            int height = Math.max(Window.getClientHeight(),
                    Document.get().getScrollHeight());
            glassElem.getStyle().setHeight(height, Style.Unit.PX);
            glassElem.getStyle().setWidth(width, Style.Unit.PX);
            Document.get().getBody().appendChild(glassElem);

            offset = getEventPosition(event) - getAbsolutePosition();
            Event.setCapture(getElement());
            event.preventDefault();
            break;

        case Event.ONMOUSEUP:
            mouseDown = false;

            glassElem.removeFromParent();

            // Handle double-clicks.
            // Fake them since the double-click event aren't fired.
            if (this.toggleDisplayAllowed) {
                double now = Duration.currentTimeMillis();
                if (now - this.lastClick < DOUBLE_CLICK_TIMEOUT) {
                    now = 0;
                    toggleCollapsedState();
                }
                this.lastClick = now;
            }

            Event.releaseCapture(getElement());
            event.preventDefault();
            break;

        case Event.ONMOUSEMOVE:
            if (mouseDown) {
                int size;
                if (reverse) {
                    size = getTargetPosition() + getTargetSize() - getSplitterSize()
                            - getEventPosition(event) + offset;
                } else {
                    size = getEventPosition(event) - getTargetPosition() - offset;
                }
                ((LayoutData) target.getLayoutData()).hidden = false;
                setAssociatedWidgetSize(size);
                event.preventDefault();
            }
            break;
    }
}
 

@Override
// Exception squid:S1604 - GWT 2.7 does not support Java 8
@SuppressWarnings("squid:S1604")
public void accept(final VDragEvent drag, final UIDL configuration, final VAcceptCallback callback) {

    if (isDragStarting(drag)) {
        final NativePreviewHandler nativeEventHandler = new NativePreviewHandler() {
            @Override
            public void onPreviewNativeEvent(final NativePreviewEvent event) {
                if (isEscKey(event) || isMouseUp(event)) {
                    try {
                        hideDropTargetHints(configuration);
                    } finally {
                        nativeEventHandlerRegistration.removeHandler();
                    }
                }
            }
        };

        nativeEventHandlerRegistration = Event.addNativePreviewHandler(nativeEventHandler);
        setMultiRowDragDecoration(drag);
    }

    final int childCount = configuration.getChildCount();
    accepted = false;
    for (int childIndex = 0; childIndex < childCount; childIndex++) {
        final VAcceptCriterion crit = getCriteria(configuration, childIndex);
        crit.accept(drag, configuration.getChildUIDL(childIndex), this);
        if (Boolean.TRUE.equals(accepted)) {
            callback.accepted(drag);
            return;
        }
    }

    // if no VAcceptCriterion accepts and the mouse is release, an error
    // message is shown
    if (Event.ONMOUSEUP == Event.getTypeInt(drag.getCurrentGwtEvent().getType())) {
        showErrorNotification(drag);
    }

    errorMessage = configuration.getStringAttribute(ERROR_MESSAGE);
}
 

@Override
public void onPreviewNativeEvent(NativePreviewEvent previewEvent) {
  if (autoHiders.isEmpty()) {
    return;
  }

  // TODO(danilatos,user,user): Push signal down a layer - clean this up.
  Event event = Event.as(previewEvent.getNativeEvent());
  int lowLevelType = event.getTypeInt();

  // TODO(danilatos): Insert this logic deeply rather than
  // sprinkling it in event handlers. Also the return value
  // of onEventPreview is the reverse of signal handlers.
  SignalEvent signal = SignalEventImpl.create(event, false);
  if (signal == null) {
    return;
  }

  // Key events (excluding escape) and mousewheel events use hideTopmostAutoHiderForKeyEvent
  if (lowLevelType == Event.ONMOUSEWHEEL || signal.isKeyEvent()) {
    if (hideTopmostAutoHiderForKeyEvent(false)) {
      // TODO(user): We don't call previewEvent.cancel() here, since for the floating-buttons
      // menu we want, for example, space-bar to still shift focus to the next blip.
      // The to-do is to audit the previewEvent.cancel call below and see why it's there (and if
      // it's not needed, eliminate it).
      return;
    }
  }

  // Pressing escape at any time causes us to close and discard the event.
  if (signal.getKeySignalType() == KeySignalType.NOEFFECT &&
      event.getKeyCode() == KeyCodes.KEY_ESCAPE) {
    if (hideTopmostAutoHiderForKeyEvent(true)) {
      previewEvent.cancel();
      return;
    }
  }

  // Click events and mouse-wheel events that fall through use hideAllAfter.
  if (lowLevelType == Event.ONMOUSEDOWN || lowLevelType == Event.ONMOUSEWHEEL) {
    hideAllAfter(signal.getTarget());
  }

  // Otherwise we don't do anything and the event continues as usual.
}