public VScrollTableGeneratedRow(UIDL uidl, char[] aligns) {
                super(uidl, aligns);
                addStyleName("v-table-generated-row");
            }

            public boolean isSpanColumns() {
                return spanColumns;
            }

            @Override
            protected void initCellWidths() {
                if (spanColumns) {
                    setSpannedColumnWidthAfterDOMFullyInited();
                } else {
                    super.initCellWidths();
                }
            }

            private void setSpannedColumnWidthAfterDOMFullyInited() {
                // Defer setting width on spanned columns to make sure that
                // they are added to the DOM before trying to calculate
                // widths.
                Scheduler.get().scheduleDeferred(new ScheduledCommand() {

                    @Override
                    public void execute() {
                        if (showRowHeaders) {
                            setCellWidth(0, tHead.getHeaderCell(0)
                                    .getWidthWithIndent());
                            calcAndSetSpanWidthOnCell(1);
                        } else {
                            calcAndSetSpanWidthOnCell(0);
                        }
                    }
                });
            }

            @Override
            protected boolean isRenderHtmlInCells() {
                return htmlContentAllowed;
            }

            @Override
            protected void addCellsFromUIDL(UIDL uidl, char[] aligns, int col,
                    int visibleColumnIndex) {
                htmlContentAllowed = uidl.getBooleanAttribute("gen_html");
                spanColumns = uidl.getBooleanAttribute("gen_span");

                final Iterator<?> cells = uidl.getChildIterator();
                if (spanColumns) {
                    int colCount = uidl.getChildCount();
                    if (cells.hasNext()) {
                        final Object cell = cells.next();
                        if (cell instanceof String) {
                            addSpannedCell(uidl, cell.toString(), aligns[0], "",
                                    htmlContentAllowed, false, null, colCount);
                        } else {
                            addSpannedCell(uidl, (Widget) cell, aligns[0], "",
                                    false, colCount);
                        }
                    }
                } else {
                    super.addCellsFromUIDL(uidl, aligns, col,
                            visibleColumnIndex);
                }
            }

            private void addSpannedCell(UIDL rowUidl, Widget w, char align,
                    String style, boolean sorted, int colCount) {
                TableCellElement td = DOM.createTD().cast();
                td.setColSpan(colCount);
                initCellWithWidget(w, align, style, sorted, td);

        break;

      default:
        state = State.INVALID;
        break;
    }

  }

  /*
   * (non-Javadoc)
   * 
   * @see
   * com.googlecode.mgwt.dom.client.event.touch.TouchEndHandler#onTouchEnd(com.googlecode.mgwt.dom
   * .client.event.touch.TouchEndEvent)
   */
  @Override
  public void onTouchEnd(TouchEndEvent event) {
    touchCount--;
    if (touchCount <= 0) {
      reset();
    } else {
      if (state == State.TWO_FINGER) {
        state = State.ONE_FINGER;
      } else {
        if (touchCount == 2) {
          state = State.TWO_FINGER;
        }
      }
    }

  }

  /*
   * (non-Javadoc)
   * 
   * @see
   * com.googlecode.mgwt.dom.client.event.touch.TouchCancelHandler#onTouchCanceled(com.googlecode
   * .mgwt.dom.client.event.touch.TouchCancelEvent)
   */
  @Override
  public void onTouchCanceled(TouchCancelEvent event) {
    touchCount--;
    if (touchCount <= 0) {
      reset();
    } else {
      if (state == State.TWO_FINGER) {
        state = State.ONE_FINGER;
      } else {
        if (touchCount == 2) {
          state = State.TWO_FINGER;
        }
      }
    }
  }

  protected EventPropagator getEventPropagator() {
    if (eventPropagator == null) {
      if (DEFAULT_EVENT_PROPAGATOR == null) {
        DEFAULT_EVENT_PROPAGATOR = GWT.create(EventPropagator.class);
      }
      eventPropagator = DEFAULT_EVENT_PROPAGATOR;
    }
    return eventPropagator;
  }

  protected void setEventPropagator(EventPropagator eventPropagator) {
    this.eventPropagator = eventPropagator;

  }

  private void reset() {
    touchCount = 0;
    state = State.READY;

  }

}

        this(new IndexedContainer());
    }

    @Override
    protected String formatPropertyValue(Object rowId, Object colId, Property<?> property) {
        String result = super.formatPropertyValue(rowId, colId, property);
        return StringEscapeUtils.escapeHtml4(result);
    }

    @Override
    public void changeVariables(Object source, Map<String, Object> variables) {
        super.changeVariables(source, variables);
        if (variables.containsKey("selectAll")) {
            boolean selectAll = (Boolean) variables.get("selectAll");
            if (selectAll) {
                Collection<?> ids = getItemIds();
                for (final Object id : ids) {
                    select(id);
                }
            } else {
                setValue(null);
            }
        }

        if (variables.containsKey("toggleSelection")) {
            boolean selected = (Boolean) variables.get("toggleSelection");
            String key = String.valueOf(variables.get("toggledRowId"));
            final Object id = itemIdMapper.get(key);
            if (selected) {
                select(id);
            } else {
                unselect(id);
            }
        }
    }

	public TouchPanel() {
		gestureUtility = new GestureUtility(this);
	}

	/*
	 * (non-Javadoc)
	 * @see com.googlecode.mgwt.dom.client.event.touch.HasTouchHandlers#addTouchStartHandler(com.googlecode.mgwt.dom.client.event.touch.TouchStartHandler)
	 */
	/** {@inheritDoc} */
	@Override
	public HandlerRegistration addTouchStartHandler(TouchStartHandler handler) {
		return impl.addTouchStartHandler(this, handler);

	}

	/*
	 * (non-Javadoc)
	 * @see com.googlecode.mgwt.dom.client.event.touch.HasTouchHandlers#addTouchMoveHandler(com.googlecode.mgwt.dom.client.event.touch.TouchMoveHandler)
	 */
	/** {@inheritDoc} */
	@Override
	public HandlerRegistration addTouchMoveHandler(TouchMoveHandler handler) {
		return impl.addTouchMoveHandler(this, handler);

	}

	/*
	 * (non-Javadoc)
	 * @see com.googlecode.mgwt.dom.client.event.touch.HasTouchHandlers#addTouchCancelHandler(com.googlecode.mgwt.dom.client.event.touch.TouchCancelHandler)
	 */
	/** {@inheritDoc} */
	@Override
	public HandlerRegistration addTouchCancelHandler(TouchCancelHandler handler) {
		return impl.addTouchCancelHandler(this, handler);

	}

	/*
	 * (non-Javadoc)
	 * @see com.googlecode.mgwt.dom.client.event.touch.HasTouchHandlers#addTouchEndHandler(com.googlecode.mgwt.dom.client.event.touch.TouchEndHandler)
	 */
	/** {@inheritDoc} */
	@Override
	public HandlerRegistration addTouchEndHandler(TouchEndHandler handler) {
		return impl.addTouchEndHandler(this, handler);

	}

	/*
	 * (non-Javadoc)
	 * @see com.googlecode.mgwt.dom.client.event.touch.HasTouchHandlers#addTouchHandler(com.googlecode.mgwt.dom.client.event.touch.TouchHandler)
	 */
	/** {@inheritDoc} */
	@Override
	public HandlerRegistration addTouchHandler(TouchHandler handler) {
		HandlerRegistrationCollection handlerRegistrationCollection = new HandlerRegistrationCollection();

		handlerRegistrationCollection.addHandlerRegistration(addTouchCancelHandler(handler));
		handlerRegistrationCollection.addHandlerRegistration(addTouchStartHandler(handler));
		handlerRegistrationCollection.addHandlerRegistration(addTouchEndHandler(handler));
		handlerRegistrationCollection.addHandlerRegistration(addTouchMoveHandler(handler));
		return handlerRegistrationCollection;
	}

                        description, td);
            }

            @Override
            protected void setCellWidth(int cellIx, int width) {
                if (isSpanColumns()) {
                    if (showRowHeaders) {
                        if (cellIx == 0) {
                            super.setCellWidth(0, width);
                        } else {
                            // We need to recalculate the spanning TDs width for
                            // every cellIx in order to support column resizing.
                            calcAndSetSpanWidthOnCell(1);
                        }
                    } else {
                        // Same as above.
                        calcAndSetSpanWidthOnCell(0);
                    }
                } else {
                    super.setCellWidth(cellIx, width);
                }
            }

            private void calcAndSetSpanWidthOnCell(final int cellIx) {
                int spanWidth = 0;
                for (int ix = (showRowHeaders ? 1 : 0); ix < tHead
                        .getVisibleCellCount(); ix++) {
                    spanWidth += tHead.getHeaderCell(ix).getOffsetWidth();
                }
                WidgetUtil.setWidthExcludingPaddingAndBorder(
                        (Element) getElement().getChild(cellIx), spanWidth, 13,
                        false);
            }
        }

                if (columnIndex < 0) {
                    columnIndex = 0;
                    for (Iterator<Widget> it = tHead.iterator(); it
                            .hasNext(); columnIndex++) {
                        if (it.next() == this) {
                            break;
                        }
                    }
                }
                final int cw = scrollBody.getColWidth(columnIndex);
                naturalWidth = (hw > cw ? hw : cw);
            }
        }

        /**
         * Detects the natural minimum width for the column of this header cell.
         * If column is resized by user or the width is defined by server the
         * actual width is returned. Else the natural min width is returned.
         *
         * @param columnIndex
         *            column index hint, if -1 (unknown) it will be detected
         *
         * @return
         */
        public int getNaturalColumnWidth(int columnIndex) {
            final int iw = columnIndex == getHierarchyColumnIndex()
                    ? scrollBody.getMaxIndent() : 0;
            saveNaturalColumnWidthIfNotSaved(columnIndex);
            if (isDefinedWidth()) {
                if (iw > width) {
                    return iw;
                }
                return width;
            } else {
                if (iw > naturalWidth) {
                    // indent is temporary value, naturalWidth shouldn't be
                    // updated
                    return iw;
                } else {
                    return naturalWidth;
                }
            }
        }

        public void setExpandRatio(float floatAttribute) {

        Touch touch2 = event.getTouches().get(1);

        int left = offsetProvider.getLeft();
        int top = offsetProvider.getTop();

        int x1 = touch1.getPageX() - left;
        int y1 = touch1.getPageY() - top;
        int x2 = touch2.getPageX() - left;
        int y2 = touch2.getPageY() - top;

        double newDistance = Math.sqrt(Math.pow(x1 - x2, 2) + Math.pow(y1 - y2, 2));
        int x = (x1 + x2) / 2;
        int y = (y1 + y2) / 2;

        getEventPropagator().fireEvent(source, new PinchEvent(x, y, distance / newDistance));

        public void setHeaderCell(int index, HeaderCell cell) {
            if (cell.isEnabled()) {
                // we're moving the cell
                DOM.removeChild(tr, cell.getElement());
                orphan(cell);
                visibleCells.remove(cell);
            }
            if (index < visibleCells.size()) {
                // insert to right slot
                DOM.insertChild(tr, cell.getElement(), index);
                adopt(cell);
                visibleCells.add(index, cell);
            } else if (index == visibleCells.size()) {
                // simply append
                DOM.appendChild(tr, cell.getElement());
                adopt(cell);
                visibleCells.add(cell);
            } else {
                throw new RuntimeException(
                        "Header cells must be appended in order");
            }
        }

        public HeaderCell getHeaderCell(int index) {