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

@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);
        }
    }
}
 

public void startCalendarItemDrag(MouseDownEvent event, final MonthItemLabel label) {

        moveRegistration = addMouseMoveHandler(this);
        startX = event.getClientX();
        startY = event.getClientY();
        startYrelative = event.getRelativeY(label.getParent().getElement())
                % getHeigth();
        startXrelative = event.getRelativeX(label.getParent().getElement())
                % getWidth();

        CalendarItem e = getItemByWidget(label);
        dndSourceDateFrom = (Date) e.getStart().clone();
        dndSourceDateTo = (Date) e.getEnd().clone();

        dndSourceStartDateTime = (Date) e.getStartTime().clone();
        dndSourceEndDateTime = (Date) e.getEndTime().clone();

        Event.setCapture(getElement());
        keyDownHandler = addKeyDownHandler(keyDownHandler -> {
            if (keyDownHandler.getNativeKeyCode() == KeyCodes.KEY_ESCAPE) {
                cancelItemDrag(label);
            }
        });

        focus();

        GWT.log("Start drag");
    }
 

@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());
	}
}
 

protected void startMoving(NativeEvent event, Element element) {
    if (element.equals(startingPoint)) {
        selectPredecessorMode = true;
        startingPoint.getStyle().setVisibility(Visibility.HIDDEN);
    } else if (element.equals(endingPoint)) {
        selectFollowerMode = true;
        endingPoint.getStyle().setVisibility(Visibility.HIDDEN);
    }
    capturePointScrollTop = getElement().getParentElement()
            .getParentElement().getScrollTop();
    capturePointScrollLeft = getElement().getParentElement()
            .getParentElement().getScrollLeft();
    getParent().getElement().appendChild(movePointElement);
    getElement().getParentElement().addClassName(SELECTION_STYLE_NAME);
    GWT.log("Capturing clicked point.");
    captureElement = getElement();
    Event.setCapture(getElement());
    event.stopPropagation();

    // enable MODE for new predecessor/following step
    // selection.
    addMoveHandler();

    capturePoint = new Point(getTouchOrMouseClientX(event),
            getTouchOrMouseClientY(event));
    originalWidth = width;
    originalHeight = height;
}
 

@Override
public void onMouseDown(MouseDownEvent event) {

    startX = event.getClientX();
    startY = event.getClientY();

    if (isDisabled() || event.getNativeButton() != NativeEvent.BUTTON_LEFT) {
        return;
    }

    clickTarget = Element.as(event.getNativeEvent().getEventTarget());
    mouseMoveCanceled = false;

    if ((weekGrid.getCalendar().isItemMoveAllowed() && getCalendarItem().isMoveable())
            || (clickTargetsResize() && getCalendarItem().isResizeable())) {

        moveRegistration = addMouseMoveHandler(this);
        setFocus(true);
        try {
            startYrelative = (int) ((double) event.getRelativeY(caption) % slotHeight);
            startXrelative = (event.getRelativeX(weekGrid.getElement())
                    - weekGrid.timebar.getOffsetWidth())
                    % getDateCellWidth();
        } catch (Exception e) {
            GWT.log("Exception calculating relative start position", e);
        }
        mouseMoveStarted = false;
        Style s = getElement().getStyle();
        s.setZIndex(1000);
        startDatetimeFrom = (Date) calendarItem.getStartTime().clone();
        startDatetimeTo = (Date) calendarItem.getEndTime().clone();
        Event.setCapture(getElement());
    }

    // make sure the right cursor is always displayed
    if (clickTargetsResize() && getCalendarItem().isResizeable()) {
        addGlobalResizeStyle();
    }

    /*
     * We need to stop the event propagation or else the WeekGrid range
     * select will kick in
     */
    event.stopPropagation();
    event.preventDefault();
}
 

public void onMouseDown(Event event) {
	this.dragging = true;
	Event.setCapture(InputSlider.this.getElement());
	this.killEvent(event);
	InputSlider.this.handleWidget.moveHandleToPosition(this.getRelativeX(event));
}
 

@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
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;
    }
}