Java Code Examples for com.google.gwt.event.dom.client.MouseDownEvent

private void onMouseDown(MouseDownEvent event) {
	// Test if Right Click
	if (event.getNativeButton() == NativeEvent.BUTTON_RIGHT) {
		return;
	}

	if (inEditionSelectableShapeToDrawConnection) {
		inDragBuildArrow = true;
		inEditionSelectableShapeToDrawConnection = false;
		drawBuildArrow(startFunctionWidget, mousePoint);
		return;
	}

	if (inEditionDragMovablePoint) {
		inDragMovablePoint = true;
		inEditionDragMovablePoint = false;
		movablePoint = highlightConnection.addMovablePoint(highlightPoint);
		highlightConnection.setSynchronized(false);
		highlightConnection.setAllowSynchronized(false);
		movablePoint.setTrackPoint(mousePoint);
		// Set canvas foreground to avoid dragging over a widget
		topCanvas.setForeground();
		return;
	}
}
 

/**
 * Show the context menu of the mouse position.(Position from mouse down event)
 * 
 * @param event  mouse down event.
 */
public void showContextualMenu(MouseDownEvent event){
	final int X = event.getRelativeX(widgetPanel.getElement());
	final int Y = event.getRelativeY(widgetPanel.getElement());
	getMousePoint().setLeft(X);
	getMousePoint().setTop(Y);

	final int offsetX = event.getClientX();
	final int offsetY = event.getClientY();
	mouseOffsetPoint.setLeft(offsetX);
	mouseOffsetPoint.setTop(offsetY);

	cmenu.hide();
	cmenu = new ContextMenu();
	Command command = new Command() {
		@Override
		public void execute() {
			cmenu.hide();
		}
	};
}
 

/**
 * Create a leaf node for the Tree
 *
 * @param name   name of the TreeItem
 * @param module Attached moduleId for the TreeItem
 */
public Leaf(String name,
		T module,
		String style) {
	// add context menu
	this.menu = new ContextMenu();
	label = new Label(name);
	this.setWidget(label);

	label.addMouseDownHandler(new MouseDownHandler() {
		@Override
		public void onMouseDown(MouseDownEvent event) {
			// display the context menu when right click
			if (event.getNativeButton() == NativeEvent.BUTTON_RIGHT) {
				menu.setPopupPosition(event.getClientX(), event.getClientY());
				menu.show();
			}
		}
	});

	// set moduleId
	this.module = module;
	this.addStyleName("bda-treeleaf");
	if (!style.equals(""))
		this.addStyleName(style);
}
 

@Override
public void onMouseDown(MouseDownEvent event) {
	debug("VComboBoxMultiselect.onMouseDown(): 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");
	}
}
 

/**
 * Start listening to events
 */
private void attach() {
    if (handlers.isEmpty()) {
        if (attachTarget == null) {
            handlers.add(
                    root.addDomHandler(this, MouseDownEvent.getType()));
            handlers.add(
                    root.addDomHandler(this, TouchStartEvent.getType()));
        } else {
            handlers.add(attachTarget.addDomHandler(this,
                    MouseDownEvent.getType()));
            handlers.add(attachTarget.addDomHandler(this,
                    TouchStartEvent.getType()));
        }
    }
}
 

@Override
public void onMouseDown(MouseDownEvent event) {
	debug("VComboBoxMultiselect.onMouseDown(): 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");
	}
}
 

Cell(int day, int slot) {
	super("cell", "item", isEditable(day, slot) ? "clickable" : null);
	iDay = day; iSlot = slot;
	RoomSharingOption option = iModel.getOption(day, slot);
	if (option == null) {
		getElement().getStyle().clearBackgroundColor();
		setHTML("");
		setTitle("");
	} else {
		getElement().getStyle().setBackgroundColor(option.getColor());
		setHTML(option.getCode() == null ? "" : option.getCode());
		setTitle(CONSTANTS.longDays()[day] + " " + slot2short(slot) + " - " + slot2short(slot + iMode.getStep()) + ": " + option.getName());
	}
	if (isEditable(day, slot))
		addMouseDownHandler(new MouseDownHandler() {
			@Override
			public void onMouseDown(MouseDownEvent event) {
				setOption(iOption);
			}
		});
}
 

Cell(int day, int slot, Date date, PeriodInterface period) {
	super("cell", "item", isEditable() && period != null ? "clickable" : null, period == null ? "disabled" : null, period != null && iModel.isAssigned(period) ? "highlight" : null);
	iDay = day;
	iSlot = slot;
	iDate = date;
	iPeriod = period;
	if (period != null) {
		PreferenceInterface preference = iModel.getPreference(day, slot);
		if (preference == null) {
			getElement().getStyle().clearBackgroundColor();
			setHTML("");
			setTitle("");
		} else {
			getElement().getStyle().setBackgroundColor(preference.getColor());
			setTitle(DateTimeFormat.getFormat(CONSTANTS.examPeriodDateFormat()).format(date) + " " + slot2short(slot) + (period == null ? "" : " - " + slot2short(slot + period.getLength())) + ": " + preference.getName());
		}
		if (isEditable())
			addMouseDownHandler(new MouseDownHandler() {
				@Override
				public void onMouseDown(MouseDownEvent event) {
					setOption(iPreference);
				}
			});				
	}
}
 

private D(int day, int slot, Date date, PeriodInterface period) {
	super("cell", "day", isEditable() && period != null ? "clickable" : null, period == null ? "unavailable" : null);
	iDay = day;
	iSlot = slot;
	iDate = date;
	iPeriod = period;
	setText(DateTimeFormat.getFormat("d").format(date));
	if (period != null) {
		PreferenceInterface preference = iModel.getPreference(day, slot);
		if (preference == null) {
			getElement().getStyle().clearBackgroundColor();
			setTitle("");
		} else {
			getElement().getStyle().setBackgroundColor(preference.getColor());
			setTitle(DateTimeFormat.getFormat(CONSTANTS.examPeriodDateFormat()).format(date) + " " + slot2short(slot) + (period == null ? "" : " - " + slot2short(slot + period.getLength())) + ": " + preference.getName());
		}
		if (isEditable())
			addMouseDownHandler(new MouseDownHandler() {
				@Override
				public void onMouseDown(MouseDownEvent event) {
					setOption(iPreference);
				}
			});				
	}
}
 

@Override
public void onMouseDown(MouseDownEvent event) {
	this.onMouseUp(null);

	Icon dragIcon = (Icon) event.getSource();
	this.selectedRow = (TableRow<T>) dragIcon.getParent().getParent();
	this.body = (TableEditorBody<T>) this.selectedRow.getParent();

	this.overRegistration = new HandlerRegistrationCollection();
	this.upRegistration = RootPanel.get().addDomHandler(this, MouseUpEvent.getType());
	this.rows = Lists.newArrayList(this.body.getRows());
	for (TableRow<T> row : this.rows) {
		this.overRegistration.add(row.addDomHandler(this, MouseOverEvent.getType()));
	}
	TableOrder.this.disableTextSelection(true);
	RootPanel.get().getElement().getStyle().setCursor(Style.Cursor.MOVE);
	StyleUtils.addStyle(this.selectedRow, TableOrder.STYLE_ROW_DRAGING);
}
 

@Override
public void onMouseDown(MouseDownEvent event) {
    GWT.log("onMouseDown(MouseDownEvent)");
    if (event.getNativeButton() == NativeEvent.BUTTON_LEFT) {
        GanttWidget.this.onTouchOrMouseDown(event.getNativeEvent());
    } else {
        secondaryClickOnNextMouseUp = true;
        new Timer() {

            @Override
            public void run() {
                secondaryClickOnNextMouseUp = false;
            }
        }.schedule(CLICK_INTERVAL);
        event.stopPropagation();
    }
}
 

@Override
public void setUpEventHandlers(boolean touchSupported,
        boolean msTouchSupported) {
    this.touchSupported = touchSupported;
    this.msTouchSupported = msTouchSupported;
    if (msTouchSupported) {
        addDomHandler(pointerDownHandler, PointerDownEvent.getType());
        addDomHandler(pointerUpHandler, PointerUpEvent.getType());
    } else if (touchSupported) {
        addDomHandler(touchStartHandler, TouchStartEvent.getType());
    } else {
        addHandler(mouseDownHandler, MouseDownEvent.getType());
    }
    registerMouseDownAndTouchDownEventListener(startingPoint);
    registerMouseDownAndTouchDownEventListener(endingPoint);
}
 

@Override
protected void onAttach() {
    super.onAttach();

    handlers.add(addHandler(this, MouseDownEvent.getType()));
    handlers.add(addHandler(this, MouseUpEvent.getType()));
    handlers.add(addHandler(this, MouseMoveEvent.getType()));
    handlers.add(addDomHandler(this, ContextMenuEvent.getType()));
    handlers.add(addKeyDownHandler(this));
}
 

@Override
public void onMouseDown(MouseDownEvent event) {
    if (event.getNativeButton() == NativeEvent.BUTTON_LEFT) {
        Element e = Element.as(event.getNativeEvent().getEventTarget());
        if (e.getClassName().contains("reserved") || isDisabled()
                || !weekgrid.getParentCalendar().isRangeSelectAllowed()) {
            eventRangeStart = -1;
        } else {
            eventRangeStart = event.getY();
            eventRangeStop = eventRangeStart;
            Event.setCapture(getElement());
            setFocus(true);
        }
    }
}
 

private void addHandlers() {
  addMouseDownHandler(new MouseDownHandler() {
    @Override
    public void onMouseDown(MouseDownEvent arg0) {
      select(getWidget());
    }
  });
  addTouchStartHandler(new TouchStartHandler() {
    @Override
    public void onTouchStart(TouchStartEvent event) {
      select(getWidget());
    }
  });
}
 

@Override
public void onMouseDown(MouseDownEvent event) {
    NativeEvent nativeEvent = event.getNativeEvent();
    if (isElementNode(nativeEvent) && isChildOfRoot(nativeEvent)) {
        if (startDragOnMove) {
            initiateDragOnMove(event.getNativeEvent());
        } else {
            initiateDrag(event.getNativeEvent());
        }
    }
}
 

public void testDynamicTab() {
    // given
    MaterialTab tab = getWidget();

    // when / then
    // This will dynamically add new Tab Item
    MaterialTabItem item = newTabItem(tab, row, 1);

    boolean[] selectionEventFired = new boolean[]{false};
    tab.addSelectionHandler(selectionEvent -> selectionEventFired[0] = true);

    // This will trigger the selection event of the tab once tab item fired MouseDownEvent
    item.fireEvent(new GwtEvent<MouseDownHandler>() {
        @Override
        public Type<MouseDownHandler> getAssociatedType() {
            return MouseDownEvent.getType();
        }

        @Override
        protected void dispatch(MouseDownHandler eventHandler) {
            eventHandler.onMouseDown(null);
        }
    });

    // Expected : true
    assertTrue(selectionEventFired[0]);
}
 

@Override
public void onBrowserEvent(Event event) {
	switch (DOM.eventGetType(event)) {
    case Event.ONMOUSEDOWN:
    	MouseDownEvent.fireNativeEvent(event, this);
    	event.stopPropagation();
    	event.preventDefault();
    	break;
	}
}
 

@Override
public void onBrowserEvent(Event event) {
	switch (DOM.eventGetType(event)) {
    case Event.ONMOUSEDOWN:
    	MouseDownEvent.fireNativeEvent(event, this);
    	event.stopPropagation();
    	event.preventDefault();
    	break;
	}
}
 

public SelectionPanel(boolean fixed) {
	setStyleName(fixed ? "selection" : "active-selection");
	if (fixed) {
		iRemove = new P("x"); iRemove.setHTML("×");
		iRemove.addMouseDownHandler(new MouseDownHandler() {
			@Override
			public void onMouseDown(MouseDownEvent event) {
				iSelections.remove(SelectionPanel.this);
				if (iSelection != null)
					iAllSelections.remove(iSelection);
			}
		});
		if (iRTL) {
			iRemove.getElement().getStyle().setLeft(2, Unit.PX);
		} else {
			iRemove.getElement().getStyle().setRight(2, Unit.PX);
		}
		iRemove.getElement().getStyle().setTop(2, Unit.PX);
		iRemove.getElement().getStyle().setPosition(Position.ABSOLUTE);
		add(iRemove);
		iText = new P("text");
		add(iText, 0, 0);
	}
	
	sinkEvents(Event.ONMOUSEDOWN);
	sinkEvents(Event.ONMOUSEUP);
	sinkEvents(Event.ONMOUSEMOVE);
}
 

@Override
public void onBrowserEvent(Event event) {
	switch (DOM.eventGetType(event)) {
    case Event.ONMOUSEDOWN:
    	MouseDownEvent.fireNativeEvent(event, this);
    	event.stopPropagation();
    	event.preventDefault();
    	break;
	}
}
 

@Override
public void onBrowserEvent(Event event) {
	switch (DOM.eventGetType(event)) {
    case Event.ONMOUSEDOWN:
    	MouseDownEvent.fireNativeEvent(event, this);
    	event.stopPropagation();
    	event.preventDefault();
    	break;
	}
}
 

public PanListener(Widget widget) {
	this.widget = widget;
	widget.addDomHandler(this, MouseDownEvent.getType());
	widget.addDomHandler(this, MouseUpEvent.getType());
	widget.addDomHandler(this, MouseMoveEvent.getType());
	widget.addDomHandler(this, TouchStartEvent.getType());
	widget.addDomHandler(this, TouchEndEvent.getType());
	widget.addDomHandler(this, TouchMoveEvent.getType());
}
 

@Override
public void onMouseDown(MouseDownEvent event) {
	int button = event.getNativeButton();
	if ((button == NativeEvent.BUTTON_LEFT || button == NativeEvent.BUTTON_MIDDLE) && touchId == null) {
		isMouseDown = true;
		x = event.getX();
		y = event.getY();
		event.preventDefault();
		Event.setCapture(widget.getElement());
	}
}
 

@Override
public boolean onMouseDown(MouseDownEvent event, Element source) {
  if (event.getNativeButton() != NativeEvent.BUTTON_LEFT) {
    return false;
  }
  focus.focusWithoutScroll(panel.asBlip(source));
  // Cancel bubbling, so that other blips do not grab focus.
  return true;
}
 

@Override
public boolean onMouseDown(MouseDownEvent event, Element context) {
  if (event.getNativeButton() != NativeEvent.BUTTON_LEFT) {
    return false;
  }
  BlipMenuItemView item = panel.asBlipMenuItem(context);
  switch (item.getOption()) {
    case EDIT:
      actions.startEditing(item.getParent().getParent());
      break;
    case EDIT_DONE:
      actions.stopEditing();
      break;
    case REPLY:
      actions.reply(item.getParent().getParent());
      break;
    case DELETE:
      // We delete the blip without confirmation if shift key is pressed
      if (event.getNativeEvent().getShiftKey() || Window.confirm(messages.confirmDeletion())) {
        actions.delete(item.getParent().getParent());
      }
      break;
    case LINK:
      actions.popupLink(item.getParent().getParent());
      break;
    default:
      throw new AssertionError();
  }
  event.preventDefault();
  return true;
}
 

@Override
public boolean onMouseDown(MouseDownEvent event, Element source) {
  if (event.getNativeButton() != NativeEvent.BUTTON_LEFT) {
    return false;
  }
  handleClick(panel.fromToggle(source));
  return false;
}
 

TDHandle() {
	super(TableCellElement.TAG_TD);
	this.dragIcon = new Icon();
	this.dragIcon.setType(IconFont.ICON_DRAG);
	this.dragIcon.addDomHandler(TableOrder.this.mouseHandler, MouseDownEvent.getType());
	this.dragIcon.addDomHandler(TableOrder.this.mouseHandler, ClickEvent.getType());
	this.append(this.dragIcon);
}
 

@Override
public void onMouseDown(MouseDownEvent event) {
    if (event.getNativeButton() == NativeEvent.BUTTON_LEFT) {
        GWT.log("Starting point Clicked!");

        handleDownEvent(event.getNativeEvent());
    }
}
 

@Override
public boolean onMouseDown(MouseDownEvent event, Element source) {
  if (event.getNativeButton() != NativeEvent.BUTTON_LEFT) {
    return false;
  }
  focus.focusWithoutScroll(panel.asBlip(source));
  // Cancel bubbling, so that other blips do not grab focus.
  return true;
}