org.richfaces.component

## Class AbstractDataScroller

- java.lang.Object
- - javax.faces.component.UIComponent
  - - javax.faces.component.UIComponentBase
    - - org.richfaces.component.AbstractDataScroller

- All Implemented Interfaces:
    EventListener, javax.faces.component.PartialStateHolder, javax.faces.component.StateHolder, javax.faces.component.TransientStateHolder, javax.faces.event.ComponentSystemEventListener, javax.faces.event.FacesListener, javax.faces.event.SystemEventListenerHolder, IterationStateHolder, AjaxActivatorProps, AjaxProps, CoreProps, DataScrollSource
  Direct Known Subclasses:
    UIDataScroller

      public abstract class AbstractDataScroller
      extends javax.faces.component.UIComponentBase
      implements DataScrollSource, IterationStateHolder, AjaxProps, CoreProps

  The <rich:dataScroller> component is used for navigating through multiple pages of tables or grids.

- - ### Field Summary

    Fields
    Modifier and Type | Field and Description
    --- | ---
    `static String` | `COMPONENT_FAMILY`
    `static String` | `COMPONENT_TYPE`
    `static String` | `CONTROLS_SEPARATOR_FACET_NAME`
    `static String` | `FAST_FORWARD_DISABLED_FACET_NAME`
    `static String` | `FAST_FORWARD_FACET_NAME`
    `static String` | `FAST_REWIND_DISABLED_FACET_NAME`
    `static String` | `FAST_REWIND_FACET_NAME`
    `static String` | `FIRST_DISABLED_FACET_NAME`
    `static String` | `FIRST_FACET_NAME`
    `static String` | `LAST_DISABLED_FACET_NAME`
    `static String` | `LAST_FACET_NAME`
    `static String` | `NEXT_DISABLED_FACET_NAME`
    `static String` | `NEXT_FACET_NAME`
    `static String` | `PAGEMODE_FULL`
    `static String` | `PAGEMODE_SHORT`
    `static String` | `PAGES_FACET_NAME`
    `static String` | `PREVIOUS_DISABLED_FACET_NAME`
    `static String` | `PREVIOUS_FACET_NAME`
    `static String` | `SCROLLER_STATE_ATTRIBUTE`

    - ### Fields inherited from class javax.faces.component.UIComponent

      `ATTRS_WITH_DECLARED_DEFAULT_VALUES, BEANINFO_KEY, bindings, COMPOSITE_COMPONENT_TYPE_KEY, COMPOSITE_FACET_NAME, CURRENT_COMPONENT, CURRENT_COMPOSITE_COMPONENT, FACETS_KEY, HONOR_CURRENT_COMPONENT_ATTRIBUTES_PARAM_NAME, VIEW_LOCATION_KEY`

  - ### Constructor Summary

    Constructors
    Constructor and Description
    `AbstractDataScroller()`

  - ### Method Summary

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `void` | `addScrollListener(DataScrollListener listener)` Adds a DataScrollListener to this DataScrollSource.
    `void` | `broadcast(javax.faces.event.FacesEvent event)`
    `abstract DataScrollerControlsMode` | `getBoundaryControls()` The attribute specifies the visibility of boundaryControls.
    `javax.faces.component.UIComponent` | `getDataTable()` Finds the dataTable which id is mapped to the "for" property
    `abstract DataScrollerControlsMode` | `getFastControls()` The attribute specifies the visibility of fastControls.
    `abstract javax.faces.component.UIComponent` | `getFastForward()`
    `abstract javax.faces.component.UIComponent` | `getFastRewind()`
    `abstract int` | `getFastStep()` The attribute indicates pages quantity to switch onto when fast scrolling is used.
    `int` | `getFastStepOrDefault()`
    `javax.faces.component.UIComponent` | `getFirst()`
    `String` | `getFor()` Component ID of the table whose data is scrolled
    `Object` | `getIterationState()` Get component state for a current iteration.
    `abstract javax.faces.component.UIComponent` | `getLast()`
    `abstract String` | `getLastPageMode()` The attribute to control whether last page of datascroller shows "rows" number of items or just the rest.
    `abstract int` | `getMaxPages()` Maximum quantity of pages.
    `int` | `getMaxPagesOrDefault()`
    `abstract javax.faces.component.UIComponent` | `getNext()`
    `int` | `getPage()` If page >= 1 then it's a page number to show
    `int` | `getPageCount()`
    `int` | `getPageCount(javax.faces.component.UIComponent data)`
    `int` | `getPageCount(javax.faces.component.UIComponent data, int rowCount, int rows)`
    `int` | `getPageForFacet(String facetName)`
    `abstract javax.faces.component.UIComponent` | `getPrevious()`
    `int` | `getRowCount()`
    `int` | `getRowCount(javax.faces.component.UIComponent data)`
    `int` | `getRows(javax.faces.component.UIComponent data)`
    `abstract javax.el.MethodExpression` | `getScrollListener()`
    `DataScrollListener[]` | `getScrollListeners()` Returns all ScrollListeners for this DataScrollSource.
    `abstract DataScrollerControlsMode` | `getStepControls()` The attribute specifies the visibility of stepControls.
    `boolean` | `isLocalPageSet()`
    `abstract boolean` | `isRenderIfSinglePage()` If renderIfSinglePage is "true" then datascroller is displayed on condition that the data hold on one page.
    `void` | `removeScrollListener(DataScrollListener listener)` Removes a DataFilterSliderListener from this DataScrollSource.
    `void` | `resetLocalPage()`
    `void` | `setFor(String forId)`
    `void` | `setIterationState(Object state)` Set component state for the next iteration.
    `void` | `setPage(int newPage)`

    - ### Methods inherited from class javax.faces.component.UIComponentBase

      `addClientBehavior, addFacesListener, clearInitialState, decode, encodeBegin, encodeChildren, encodeEnd, findComponent, getAttributes, getChildCount, getChildren, getClientBehaviors, getClientId, getDefaultEventName, getEventNames, getFacesContext, getFacesListeners, getFacet, getFacetCount, getFacets, getFacetsAndChildren, getId, getListenersForEventClass, getParent, getPassThroughAttributes, getRenderer, getRendererType, getRendersChildren, getValueBinding, invokeOnComponent, isRendered, isTransient, markInitialState, processDecodes, processRestoreState, processSaveState, processUpdates, processValidators, queueEvent, removeFacesListener, restoreAttachedState, restoreState, saveAttachedState, saveState, setId, setParent, setRendered, setRendererType, setTransient, setValueBinding, subscribeToEvent, unsubscribeFromEvent`

    - ### Methods inherited from class javax.faces.component.UIComponent

      `encodeAll, getClientId, getCompositeComponentParent, getContainerClientId, getCurrentComponent, getCurrentCompositeComponent, getFamily, getNamingContainer, getPassThroughAttributes, getResourceBundleMap, getStateHelper, getStateHelper, getTransientStateHelper, getTransientStateHelper, getValueExpression, initialStateMarked, isCompositeComponent, isInView, isVisitable, popComponentFromEL, processEvent, pushComponentToEL, restoreTransientState, saveTransientState, setInView, setValueExpression, visitTree`

    - ### Methods inherited from class java.lang.Object

      `clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

    - ### Methods inherited from interface org.richfaces.component.attribute.AjaxProps

      `getExecute, getOnbegin, getStatus`

    - ### Methods inherited from interface org.richfaces.component.attribute.AjaxActivatorProps

      `getData, getOnbeforedomupdate, getOncomplete, getRender, isLimitRender, isResetValues`

    - ### Methods inherited from interface org.richfaces.component.attribute.CoreProps

      `getStyle, getStyleClass, getTitle`

- - ### Field Detail

    - #### COMPONENT_TYPE

          public static final String COMPONENT_TYPE

      See Also:
        Constant Field Values

    - #### COMPONENT_FAMILY

          public static final String COMPONENT_FAMILY

      See Also:
        Constant Field Values

    - #### SCROLLER_STATE_ATTRIBUTE

          public static final String SCROLLER_STATE_ATTRIBUTE

      See Also:
        Constant Field Values

    - #### FIRST_FACET_NAME

          public static final String FIRST_FACET_NAME

      See Also:
        Constant Field Values

    - #### LAST_FACET_NAME

          public static final String LAST_FACET_NAME

      See Also:
        Constant Field Values

    - #### NEXT_FACET_NAME

          public static final String NEXT_FACET_NAME

      See Also:
        Constant Field Values

    - #### PREVIOUS_FACET_NAME

          public static final String PREVIOUS_FACET_NAME

      See Also:
        Constant Field Values

    - #### FAST_FORWARD_FACET_NAME

          public static final String FAST_FORWARD_FACET_NAME

      See Also:
        Constant Field Values

    - #### FAST_REWIND_FACET_NAME

          public static final String FAST_REWIND_FACET_NAME

      See Also:
        Constant Field Values

    - #### FIRST_DISABLED_FACET_NAME

          public static final String FIRST_DISABLED_FACET_NAME

      See Also:
        Constant Field Values

    - #### LAST_DISABLED_FACET_NAME

          public static final String LAST_DISABLED_FACET_NAME

      See Also:
        Constant Field Values

    - #### NEXT_DISABLED_FACET_NAME

          public static final String NEXT_DISABLED_FACET_NAME

      See Also:
        Constant Field Values

    - #### PREVIOUS_DISABLED_FACET_NAME

          public static final String PREVIOUS_DISABLED_FACET_NAME

      See Also:
        Constant Field Values

    - #### FAST_FORWARD_DISABLED_FACET_NAME

          public static final String FAST_FORWARD_DISABLED_FACET_NAME

      See Also:
        Constant Field Values

    - #### FAST_REWIND_DISABLED_FACET_NAME

          public static final String FAST_REWIND_DISABLED_FACET_NAME

      See Also:
        Constant Field Values

    - #### CONTROLS_SEPARATOR_FACET_NAME

          public static final String CONTROLS_SEPARATOR_FACET_NAME

      See Also:
        Constant Field Values

    - #### PAGES_FACET_NAME

          public static final String PAGES_FACET_NAME

      See Also:
        Constant Field Values

    - #### PAGEMODE_FULL

          public static final String PAGEMODE_FULL

      See Also:
        Constant Field Values

    - #### PAGEMODE_SHORT

          public static final String PAGEMODE_SHORT

      See Also:
        Constant Field Values

  - ### Constructor Detail

    - #### AbstractDataScroller

          public AbstractDataScroller()

  - ### Method Detail

    - #### isRenderIfSinglePage

          public abstract boolean isRenderIfSinglePage()

      If renderIfSinglePage is "true" then datascroller is displayed on condition that the data hold on one page. Default value is "true".

    - #### getLastPageMode

          public abstract String getLastPageMode()

      The attribute to control whether last page of datascroller shows "rows" number of items or just the rest. Possible values are "full" and "short". Default value is "short".

    - #### getMaxPages

          public abstract int getMaxPages()

      Maximum quantity of pages. Default value is "10".

    - #### getMaxPagesOrDefault

          public int getMaxPagesOrDefault()

    - #### getBoundaryControls

          public abstract DataScrollerControlsMode getBoundaryControls()

      The attribute specifies the visibility of boundaryControls. Possible values are: "show" (controls are always visible ). "hide" (controls are hidden. "auto" (unnecessary controls are hidden). Default value is "show".

    - #### getFastControls

          public abstract DataScrollerControlsMode getFastControls()

      The attribute specifies the visibility of fastControls. Possible values are: "show" (controls are always visible ). "hide" (controls are hidden. "auto" (unnecessary controls are hidden). Default value is "show".

    - #### getStepControls

          public abstract DataScrollerControlsMode getStepControls()

      The attribute specifies the visibility of stepControls. Possible values are: "show" (controls are always visible ). "hide" (controls are hidden. "auto" (unnecessary controls are hidden). Default value is "show".

    - #### getFastStep

          public abstract int getFastStep()

      The attribute indicates pages quantity to switch onto when fast scrolling is used. Default value is "1".
      Returns:

    - #### getFastStepOrDefault

          public int getFastStepOrDefault()

    - #### getFor

          public String getFor()

      Component ID of the table whose data is scrolled

    - #### setFor

          public void setFor(String forId)

    - #### getScrollListener

          public abstract javax.el.MethodExpression getScrollListener()

    - #### addScrollListener

          public void addScrollListener(DataScrollListener listener)

      Description copied from interface: `DataScrollSource`
      Adds a DataScrollListener to this DataScrollSource.
      Specified by:
        `addScrollListener` in interface `DataScrollSource`
      Parameters:
        `listener` - the Scroll listener to be added

    - #### getScrollListeners

          public DataScrollListener[] getScrollListeners()

      Description copied from interface: `DataScrollSource`
      Returns all ScrollListeners for this DataScrollSource.
      Specified by:
        `getScrollListeners` in interface `DataScrollSource`
      Returns:
        the Scroll listener array

    - #### removeScrollListener

          public void removeScrollListener(DataScrollListener listener)

      Description copied from interface: `DataScrollSource`
      Removes a DataFilterSliderListener from this DataScrollSource.
      Specified by:
        `removeScrollListener` in interface `DataScrollSource`
      Parameters:
        `listener` - the Scroll listener to be removed

    - #### broadcast

          public void broadcast(javax.faces.event.FacesEvent event)
                         throws javax.faces.event.AbortProcessingException

      Overrides:
        `broadcast` in class `javax.faces.component.UIComponentBase`
      Throws:
        `javax.faces.event.AbortProcessingException`

    - #### getDataTable

          public javax.faces.component.UIComponent getDataTable()

      Finds the dataTable which id is mapped to the "for" property
      Returns:
        the dataTable component

    - #### getPageForFacet

          public int getPageForFacet(String facetName)

    - #### getPageCount

          public int getPageCount(javax.faces.component.UIComponent data)

    - #### getPageCount

          public int getPageCount(javax.faces.component.UIComponent data,
                         int rowCount,
                         int rows)

    - #### getPageCount

          public int getPageCount()

      Returns:
        the page count of the uidata

    - #### getRowCount

          public int getRowCount(javax.faces.component.UIComponent data)

    - #### getRowCount

          public int getRowCount()

      Returns:
        int

    - #### getRows

          public int getRows(javax.faces.component.UIComponent data)

    - #### getFirst

          public javax.faces.component.UIComponent getFirst()

    - #### getLast

          public abstract javax.faces.component.UIComponent getLast()

    - #### getNext

          public abstract javax.faces.component.UIComponent getNext()

    - #### getPrevious

          public abstract javax.faces.component.UIComponent getPrevious()

    - #### getFastForward

          public abstract javax.faces.component.UIComponent getFastForward()

    - #### getFastRewind

          public abstract javax.faces.component.UIComponent getFastRewind()

    - #### setPage

          public void setPage(int newPage)

    - #### getPage

          public int getPage()

      If page >= 1 then it's a page number to show

    - #### isLocalPageSet

          public boolean isLocalPageSet()

    - #### resetLocalPage

          public void resetLocalPage()

    - #### getIterationState

          public Object getIterationState()

      Description copied from interface: `IterationStateHolder`
      Get component state for a current iteration.
      Specified by:
        `getIterationState` in interface `IterationStateHolder`
      Returns:
        request-scope component state. Details are subject for a component implementation

    - #### setIterationState

          public void setIterationState(Object state)

      Description copied from interface: `IterationStateHolder`
      Set component state for the next iteration. State can be either previously saved iteration state or `null` value. In the second case component should reset its state to the initial.
      Specified by:
        `setIterationState` in interface `IterationStateHolder`
      Parameters:
        `state` - request-scope component state or `null`. Details are subject for a component implementation

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