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Class Escalator.AriaGridHelper

  • Enclosing class:

    Escalator

    public class Escalator.AriaGridHelper
extends Object

    Helper class that helps to implement the WAI-ARIA functionality for the Grid and TreeGrid component.

    The following WAI-ARIA attributes are added through this class:

    Since:

    8.2

    • Constructor Detail

      • AriaGridHelper

        public AriaGridHelper()

    • Method Detail

      • addRows

        public void addRows​(int numberOfRows)

        Adds the given numberOfRows to allRows and calls updateAriaRowCount().

        Parameters:

        numberOfRows - number of rows that were added to the grid

        Since:

        8.2

      • removeRows

        public void removeRows​(int numberOfRows)

        Removes the given numberOfRows from allRows and calls updateAriaRowCount().

        Parameters:

        numberOfRows - number of rows that were removed from the grid

        Since:

        8.2

      • updateAriaRowCount

        public void updateAriaRowCount()

        Sets the aria-rowcount attribute with the current value of allRows if the grid is attached and allRows > 0.

        Since:

        8.2

      • updateRole

        public void updateRole​(com.google.gwt.dom.client.Element element,
                       Escalator.AriaGridRole role)

        Sets the role attribute to the given element.

        Parameters:

        element - element that should get the role attribute

        role - role to be added

        Since:

        8.2