Examples of com.google.gwt.user.client.Element

com.google.gwt.user.client.Element
An opaque handle to a native DOM Element. An Element cannot be created directly. Instead, use the Element type when returning a native DOM element from JSNI methods. An Element passed back into JSNI becomes the original DOM element the Element was created from, and can be accessed in JavaScript code as expected. This is typically done by calling methods in the {@link com.google.gwt.user.client.DOM} class.

  @SuppressWarnings("unused")
  private static class FixedWidthGridImplOpera extends FixedWidthGridImpl {
    @Override
    public void setColumnWidth(FixedWidthGrid grid, int column, int width) {
      super.setColumnWidth(grid, column, width);
      Element tableElem = grid.getElement();
      Element parentElem = DOM.getParent(tableElem);
      int scrollLeft = 0;
      if (parentElem != null) {
        scrollLeft = DOM.getElementPropertyInt(parentElem, "scrollLeft");
      }
      DOM.setStyleAttribute(tableElem, "display", "none");

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   * not selected, or doesn't exist (out of bounds).
   * 
   * @param row the row index
   */
  public void deselectRow(int row) {
    Element rowElem = selectedRows.remove(new Integer(row));
    if (rowElem != null) {
      setStyleName(rowElem, "selected", false);
      if (tableSelectionListeners != null) {
        tableSelectionListeners.fireRowDeselected(this, row);
      }

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   * @see com.google.gwt.widgetideas.table.client.overrides.HTMLTable
   */
  @Override
  public void onBrowserEvent(Event event) {
    super.onBrowserEvent(event);
    Element targetRow = null;
    Element targetCell = null;


    switch (DOM.eventGetType(event)) {
      // Hover the cell on mouse over
      case Event.ONMOUSEOVER:
        Element cellElem = getEventTargetCell(event); 
        if (cellElem != null) {
          hoverCell(cellElem);
        }
        break;


      // Unhover on mouse out
      case Event.ONMOUSEOUT:
        Element toElem = DOM.eventGetToElement(event);
        if (hoveringRowElem != null
            && (toElem == null || !DOM.isOrHasChild(hoveringRowElem, toElem))) {
          // Check that the coordinates are not directly over the cell
          int clientX = DOM.eventGetClientX(event);
          int clientY = DOM.eventGetClientY(event);

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    if (DOM.compare(cellElem, hoveringCellElem)) {
      return;
    }


    // Get the row element
    Element rowElem = null;
    if (cellElem != null) {
      rowElem = DOM.getParent(cellElem);
    }


    // Unhover the current cell

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            cell.onClick(event);
          }
          break;
        }
        case Event.ONMOUSEOUT: {
          Element e = DOM.eventGetFromElement(event);
          if (e != null) {
            Cell cell = cellMap.get(e);
            if (cell != null) {
              cell.removeStyleName(Styles.HIGHLIGHTED_CELL);
              Element target = DOM.eventGetToElement(event);
              if (target != null && cellMap.get(target) == null) {
                updateHighlightedDate(null);
              }
            }
          }
          break;
        }
        case Event.ONMOUSEOVER: {
          Element e = DOM.eventGetToElement(event);
          if (e != null) {
            Cell cell = cellMap.get(e);
            if (cell != null) {
              cell.addStyleName(Styles.HIGHLIGHTED_CELL);
              cell.onHover();

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      return cellList.size();
    }


    private Cell getCell(Event e) {
      // Find out which cell was actually clicked.
      Element td = getEventTargetCell(e);
      return td != null ? cellMap.get(td) : null;
    }

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  /**
   * Creates an empty tree item.
   */
  public FastTreeItem() {
    Element elem = createLeafElement();
    setElement(elem);    
  }

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   */
  public void becomeInteriorNode() {  
    if (!isInteriorNode()) {      
      state = TREE_NODE_INTERIOR_NEVER_OPENED;


      Element control = DOM.createDiv();
      setStyleName(control, STYLENAME_CLOSED);
      DOM.appendChild(control, contentElem);
      convertElementToInteriorNode(control);
    }
  }

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    setStyleName(getElement(), "gwt-FastTreeItem-leaf", false);
    DOM.appendChild(getElement(), control);
  }


  Element createLeafElement() {
    Element elem = DOMHelper.clone(TREE_LEAF, true);
    contentElem = DOMHelper.rawFirstChild(elem);
    return elem;
  }

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    DOM.setStyleAttribute(lineElement, "position", "absolute");
    DOM.setElementProperty(lineElement, "className", "gwt-SliderBar-line");


    // Create the knob
    images.slider().applyTo(knobImage);
    Element knobElement = knobImage.getElement();
    DOM.appendChild(getElement(), knobElement);
    DOM.setStyleAttribute(knobElement, "position", "absolute");
    DOM.setElementProperty(knobElement, "className", "gwt-SliderBar-knob");


    // Make this a resizable widget

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