Java Code Examples for com.google.gwt.dom.client.Element#equals()

public void showEmptyState(boolean show) {
    if (show) {
        if (emptyState == null) {
            emptyState = new CubaGridEmptyState();
        }

        Element wrapper = getEscalator().getTableWrapper();
        Element panelParent = emptyState.getElement().getParentElement();

        if (panelParent == null || !panelParent.equals(wrapper)) {
            wrapper.appendChild(emptyState.getElement());
        }
    } else if (emptyState != null) {
        emptyState.getElement().removeFromParent();
        emptyState = null;
    }
}
 

private void scrollToSelectedRow() {
	int row = iTable.getSelectedRow();
	if (row < 0) return;
	
	Element scroll = iScroll.getElement();
	
	Element item = iTable.getRowFormatter().getElement(iTable.getSelectedRow());
	if (item==null) return;
	
	int realOffset = 0;
	while (item !=null && !item.equals(scroll)) {
		realOffset += item.getOffsetTop();
		item = item.getOffsetParent();
	}
	
	scroll.setScrollTop(realOffset - scroll.getOffsetHeight() / 2);
}
 

/** MouseTtouch down event handler. */
protected void handleDownEvent(NativeEvent event) {
    if (isReadOnly()) {
        return;
    }
    if (captureElement != null) {
        stopMoving(event);

        return;
    }

    Element element = event.getEventTarget().cast();
    if (element != null
            && (element.equals(startingPoint) || element
                    .equals(endingPoint))) {
        startMoving(event, element);
    }
}
 

protected void scrollToRow(Integer row) {
	if (row != null) {
		Element scroll = iScroll.getElement();
		Element item = iForm.getRowFormatter().getElement(row);
		int realOffset = 0;
		while (item !=null && !item.equals(scroll)) {
			realOffset += item.getOffsetTop();
			item = item.getOffsetParent();
		}
		scroll.setScrollTop(realOffset - scroll.getOffsetHeight() / 2);
	}
}
 

@UiHandler("self")
void handleClick(ClickEvent e) {
  Element target = e.getNativeEvent().getEventTarget().cast();
  Element top = self.getElement();
  while (!top.equals(target)) {
    if ("digest".equals(target.getAttribute(BuilderHelper.KIND_ATTRIBUTE))) {
      handleClick(byId.get(target.getAttribute(DigestDomImpl.DIGEST_ID_ATTRIBUTE)));
      e.stopPropagation();
      return;
    } else if (showMore.equals(target)) {
      handleShowMoreClicked();
    }
    target = target.getParentElement();
  }
}
 

/**
 * Finds the index of an element in its parent's list of child elements.
 * This is not the same as {@link #findChildIndex(Node)}, since it ignores
 * non-element nodes. It is in line with the element-only view of a collection
 * of children exposed by {@link Element#getFirstChildElement()} and
 * {@link Element#getNextSiblingElement()}.
 *
 * @param child  an element
 * @return the index of {@code child}, or -1 if {@code child} is not a child
 *   of its parent.
 * @see #findChildIndex(Node)
 */
public static final int findChildElementIndex(Element child) {
  Element parent = child.getParentElement();
  Element e = parent.getFirstChildElement();
  int i = 0;
  while (e != null) {
    if (e.equals(child)) {
      return i;
    } else {
      e = e.getNextSiblingElement();
      i++;
    }
  }
  return -1;
}
 

/**
 * Dispatches an event through this handler collection.
 *
 * @param event event to dispatch
 * @param target target element of the event
 * @return true if a handled, false otherwise.
 */
boolean dispatch(E event, Element target) {
  while (target != null) {
    if (target.hasAttribute(KIND_ATTRIBUTE)) {
      W handler = waveHandlers.get(target.getAttribute(KIND_ATTRIBUTE));
      if (handler != null) {
        if (dispatch(event, target, handler)) {
          return true;
        }
      }
    }
    target = !target.equals(top) ? target.getParentElement() : null;
  }
  return dispatchGlobal(event);
}
 

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;
}
 

@UiHandler("self")
void handleClick(ClickEvent e) {
  Element target = e.getNativeEvent().getEventTarget().cast();
  Element top = self.getElement();
  while (!top.equals(target)) {
    if ("digest".equals(target.getAttribute(BuilderHelper.KIND_ATTRIBUTE))) {
      handleClick(byId.get(target.getAttribute(DigestDomImpl.DIGEST_ID_ATTRIBUTE)));
      e.stopPropagation();
      return;
    } else if (showMore.equals(target)) {
      handleShowMoreClicked();
    }
    target = target.getParentElement();
  }
}
 

/**
 * Finds the index of an element in its parent's list of child elements.
 * This is not the same as {@link #findChildIndex(Node)}, since it ignores
 * non-element nodes. It is in line with the element-only view of a collection
 * of children exposed by {@link Element#getFirstChildElement()} and
 * {@link Element#getNextSiblingElement()}.
 *
 * @param child  an element
 * @return the index of {@code child}, or -1 if {@code child} is not a child
 *   of its parent.
 * @see #findChildIndex(Node)
 */
public static final int findChildElementIndex(Element child) {
  Element parent = child.getParentElement();
  Element e = parent.getFirstChildElement();
  int i = 0;
  while (e != null) {
    if (e.equals(child)) {
      return i;
    } else {
      e = e.getNextSiblingElement();
      i++;
    }
  }
  return -1;
}
 

/**
 * Dispatches an event through this handler collection.
 *
 * @param event event to dispatch
 * @param target target element of the event
 * @return true if a handled, false otherwise.
 */
boolean dispatch(E event, Element target) {
  while (target != null) {
    if (target.hasAttribute(KIND_ATTRIBUTE)) {
      W handler = waveHandlers.get(target.getAttribute(KIND_ATTRIBUTE));
      if (handler != null) {
        if (dispatch(event, target, handler)) {
          return true;
        }
      }
    }
    target = !target.equals(top) ? target.getParentElement() : null;
  }
  return dispatchGlobal(event);
}
 

private Widget getTableRowWidgetFromDragEvent(VDragEvent event) {

        /**
         * Find the widget of the row
         */
        Element e = event.getElementOver();

        if (getLayout().table.getRowCount() == 0) {
            /*
             * Empty layout
             */
            return getLayout();
        }

        /**
         * Check if element is inside one of the table widgets
         */
        for (int i = 0; i < getLayout().table.getRowCount(); i++) {
            Element caption = getLayout().table
                    .getWidget(i, getLayout().COLUMN_CAPTION).getElement();
            Element error = getLayout().table
                    .getWidget(i, getLayout().COLUMN_ERRORFLAG).getElement();
            Element widget = getLayout().table
                    .getWidget(i, getLayout().COLUMN_WIDGET).getElement();
            if (caption.isOrHasChild(e) || error.isOrHasChild(e)
                    || widget.isOrHasChild(e)) {
                return getLayout().table.getWidget(i,
                        getLayout().COLUMN_WIDGET);
            }
        }

        /*
         * Is the element a element outside the row structure but inside the
         * layout
         */
        Element rowElement = getLayout().getRowFromChildElement(e,
                getLayout().getElement());
        if (rowElement != null) {
            Element tableElement = rowElement.getParentElement();
            for (int i = 0; i < tableElement.getChildCount(); i++) {
                Element r = tableElement.getChild(i).cast();
                if (r.equals(rowElement)) {
                    return getLayout().table.getWidget(i,
                            getLayout().COLUMN_WIDGET);
                }
            }
        }

        /*
         * Element was not found in rows so defaulting to the form layout
         * instead
         */
        return getLayout();
    }