# rich

## Tag column

- Description:

    The <rich:column> component facilitates columns in a table. It supports merging columns and rows, sorting, filtering, and customized skinning.

    @author Anton Belevich

- Component Information
  Info | Value
  --- | ---
  Component Type | `org.richfaces.Column`
  Handler Class | None
  Renderer Type | None
  Description | The <rich:column> component facilitates columns in a table. It supports merging columns and rows, sorting, filtering, and customized skinning. @author Anton Belevich

- Attributes
  Name | Required | Type | Description
  --- | --- | --- | ---
  `binding` | `false` | `javax.el.ValueExpression` (must evaluate to `javax.faces.component.UIComponent`) | The value binding expression used to wire up this component to a component property of a JavaBean class
  `breakRowBefore` | `false` | `javax.el.ValueExpression` (must evaluate to `boolean`) | If "true" next column begins from the first row.
  `colspan` | `false` | `javax.el.ValueExpression` (must evaluate to `int`) | Corresponds to the HTML colspan attribute.
  `comparator` | `false` | `javax.el.ValueExpression` (must evaluate to `java.util.Comparator`) | Defines value binding to the comparator that is used to compare the values.
  `filter` | `false` | `javax.el.ValueExpression` (must evaluate to `org.richfaces.model.Filter`) | Provides Filter instance which determines if given row value will be displayed.
  `filterConverterMessage` | `false` | `javax.el.ValueExpression` (must evaluate to `java.lang.String`) | The message to be displayed when the filter expression is not able to be evaluated using the provided filter value.
  `filterExpression` | `false` | `javax.el.ValueExpression` (must evaluate to `java.lang.Object`) | Defines EL expression which returns true if given row should be displayed (EL expressions should use variable defined in filterVar attribute of dataTable).
  `filterType` | `false` | `javax.el.ValueExpression` (must evaluate to `java.lang.String`) | Defines current filter type. Possible values: string, custom. If custom is used, no filter box is created, you are responsible for creating your own filter input. Default: string
  `filterValue` | `false` | `javax.el.ValueExpression` (must evaluate to `java.lang.Object`) | Defines current filtering value.
  `footerClass` | `false` | `javax.el.ValueExpression` (must evaluate to `java.lang.String`) | Space-separated list of CSS style class(es) that will be applied to any footer generated for this column.
  `headerClass` | `false` | `javax.el.ValueExpression` (must evaluate to `java.lang.String`) | Space-separated list of CSS style class(es) that will be applied to any header generated for this column.
  `id` | `false` | `javax.el.ValueExpression` (must evaluate to `java.lang.String`) | The component identifier for this component. This value must be unique within the closest parent component that is a naming container.
  `name` | `false` | `javax.el.ValueExpression` (must evaluate to `java.lang.String`) | Allows customizing column name in column visibility control in rich:extendedDataTable (showColumnControl)
  `rendered` | `false` | `javax.el.ValueExpression` (must evaluate to `boolean`) | Flag indicating whether or not this component should be rendered (during Render Response Phase), or processed on any subsequent form submit. The default value for this property is true.
  `rowspan` | `false` | `javax.el.ValueExpression` (must evaluate to `int`) | Corresponds to the HTML rowspan attribute.
  `sortBy` | `false` | `javax.el.ValueExpression` (must evaluate to `java.lang.Object`) | Defines a bean property which is used for sorting of a column.
  `sortOrder` | `false` | `javax.el.ValueExpression` (must evaluate to `org.richfaces.component.SortOrder`) | Defines order which will be used for sorting column: unsorted (default), ascending, descending.
  `sortType` | `false` | `javax.el.ValueExpression` (must evaluate to `java.lang.String`) | Defines current sorting type. Possible values: string, custom. If custom is used, no sorting controls are created, you are responsible for creating your own. Default: string
  `style` | `false` | `javax.el.ValueExpression` (must evaluate to `java.lang.String`) | CSS style(s) to be applied when this component is rendered.
  `styleClass` | `false` | `javax.el.ValueExpression` (must evaluate to `java.lang.String`) | Space-separated list of CSS style class(es) to be applied when this element is rendered. This value must be passed through as the "class" attribute on generated markup.
  `width` | `false` | `javax.el.ValueExpression` (must evaluate to `java.lang.String`) | Attribute defines width of column.

Output generated by Vdldoc View Declaration Language Documentation Generator.