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.

  public FixedWidthGrid() {
    super();
    setClearText("&nbsp;");


    // Setup the table element
    Element tableElem = getElement();
    DOM.setStyleAttribute(tableElem, "tableLayout", "fixed");
    DOM.setStyleAttribute(tableElem, "width", "0px");


    // Replace the formatters
    setRowFormatter(new FixedWidthGridRowFormatter());

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    int columnWidth = getColumnWidth(column);
    int widthOffset = -1 * columnWidth;
    int contentVisibleWidth = 0;
    FixedWidthGridCellFormatter formatter = getFixedWidthGridCellFormatter();
    for (int row = 0; row < numRows; row++) {
      Element td = formatter.getRawElement(row, column);


      // Get the visible width for all cells in the column
      if (row == 0) {
        int clientWidth = DOM.getElementPropertyInt(td, "clientWidth");
        contentVisibleWidth = clientWidth - 2 * getCellPadding();

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    // Specifically allow the row count as an insert position.
    if (beforeRow != getRowCount()) {
      checkRowBounds(beforeRow);
    }
    Element tr = DOM.createTR();
    DOM.insertChild(getBodyElement(), tr, beforeRow + 1);
    numRows++;


    // Add cells to the row
    for (int column = 0; column < numColumns; column++) {

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  /**
   * @see com.google.gwt.widgetideas.table.client.overrides.HTMLTable
   */
  @Override
  protected Element insertCell(int row, int column) {
    Element tr = getRowFormatter().getElement(row);
    Element td = createCell();
    appendCellContainer(td);
    DOM.insertChild(tr, td, column);
    return td;
  }

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  protected void updateGhostRow() {
    int numGhosts = getGhostColumnCount();
    if (numColumns > numGhosts) {
      // Add ghosts as needed
      for (int i = numGhosts; i < numColumns; i++) {
        Element td = OverrideDOM.createTD();
        DOM.setStyleAttribute(td, "height", "0px");
        DOM.setStyleAttribute(td, "overflow", "hidden");
        DOM.setStyleAttribute(td, "paddingTop", "0px");
        DOM.setStyleAttribute(td, "paddingBottom", "0px");
        DOM.setStyleAttribute(td, "borderTop", "0px");
        DOM.setStyleAttribute(td, "borderBottom", "0px");
        DOM.setStyleAttribute(td, "margin", "0px");
        DOM.appendChild(ghostRow, td);
        setColumnWidth(i, getColumnWidth(i));
      }
    } else if (numColumns < numGhosts) {
      int cellsToRemove = numGhosts - numColumns;
      for (int i = 0; i < cellsToRemove; i++) {
        Element td = getGhostCellElement(numColumns);
        DOM.removeChild(ghostRow, td);
      }
    }
  }

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   * @see SortableGrid#applySort(Element[])
   */
  @Override
  void applySort(Element[] trElems) {
    // Move the rows to their new positions
    Element bodyElem = getBodyElement();
    for (int i = trElems.length - 1; i >= 0; i--) {
      if (trElems[i] != null) {
        DOM.removeChild(bodyElem, trElems[i]);
        // Need to insert below the ghost row
        DOM.insertChild(bodyElem, trElems[i], 1);

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    // Set the enforced cell style
    DOM.setInnerHTML(td, "");
    DOM.setStyleAttribute(td, "overflow", "hidden");


    // Add a tight span to hold the contents
    Element span = DOM.createSpan();
    DOM.setStyleAttribute(span, "padding", "0px");
    DOM.setInnerHTML(span, "&nbsp;");
    DOM.appendChild(td, span);
  }

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   *          automatically hidden when the user clicks on it or presses
   *          <code>ESC</code>.
   */
  public GlassPanel(boolean autoHide) {
    this.autoHide = autoHide;
    Element elem = getElement();
    DOM.setStyleAttribute(elem, "backgroundColor", "#000");
    DOM.setStyleAttribute(elem, "filter", "alpha(opacity=50)");
    DOM.setStyleAttribute(elem, "opacity", "0.5");
    setStyleName("gwt-GlassPanel");
  }

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     * Create the ghost row.
     * 
     * @return the ghost row element
     */
    public Element createGhostRow() {
      Element ghostRow = DOM.createTR();
      DOM.setStyleAttribute(ghostRow, "margin", "0px");
      DOM.setStyleAttribute(ghostRow, "padding", "0px");
      DOM.setStyleAttribute(ghostRow, "height", "0px");
      DOM.setStyleAttribute(ghostRow, "overflow", "hidden");
      return ghostRow;

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   */
  @SuppressWarnings("unused")
  private static class FixedWidthGridImplIE6 extends FixedWidthGridImpl {
    @Override
    public Element createGhostRow() {
      Element ghostRow = super.createGhostRow();
      DOM.setStyleAttribute(ghostRow, "display", "none");
      return ghostRow;
    }

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