Yahoo! UI Library

DataTable Widget  2.8.0r4

Yahoo! UI Library > datatable > YAHOO.widget.ScrollingDataTable
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Class YAHOO.widget.ScrollingDataTable - extends YAHOO.widget.DataTable

The ScrollingDataTable class extends the DataTable class to provide functionality for x-scrolling, y-scrolling, and xy-scrolling.

Constructor

YAHOO.widget.ScrollingDataTable ( elContainer , aColumnDefs , oDataSource , oConfigs )
Parameters:
elContainer <HTMLElement> Container element for the TABLE.
aColumnDefs <Object[]> Array of object literal Column definitions.
oDataSource <YAHOO.util.DataSource> DataSource instance.
oConfigs <object> (optional) Object literal of configuration values.

Properties

_bScrollbarX - private Boolean

True if x-scrollbar is currently visible.

_elBdContainer - private HTMLElement

Container for scrolling body TABLE element.

_elBdThead - private HTMLElement

Body THEAD element.

_elHdContainer - private HTMLElement

Container for fixed header TABLE element.

_elHdTable - private HTMLElement

Fixed header TABLE element.

_elTmpContainer - private HTMLElement

Offscreen container to temporarily clone SDT for auto-width calculation.

_elTmpTable - private HTMLElement

Offscreen TABLE element for auto-width calculation.

DataTable.CLASS_BODY - static final String

Class name assigned to inner DataTable body container.
Default Value: "yui-dt-bd"

DataTable.CLASS_HEADER - static final String

Class name assigned to inner DataTable header container.
Default Value: "yui-dt-hd"

Methods

_destroyBdTheadEl

private void _destroyBdTheadEl ( )
Destroy's the DataTable body THEAD element, if available.
Returns: void

_destroyContainerEl

private void _destroyContainerEl ( elContainer )
Destroy's the DataTable outer and inner container elements, if available.
Parameters:
elContainer <HTMLElement> Reference to the container element.
Returns: void

_destroyHdTableEl

private void _destroyHdTableEl ( )
Destroy's the DataTable head TABLE element, if available.
Returns: void

_focusEl

private void _focusEl ( el )
Sets focus on the given element.
Parameters:
el <HTMLElement> Element.
Returns: void

_initBdTheadEl

private HTMLElement _initBdTheadEl ( elTable )
Initializes body THEAD element.
Parameters:
elTable <HTMLElement> TABLE element into which to create THEAD.
Returns: HTMLElement
Initialized THEAD element.

_initBdThEl

private void _initBdThEl ( elTh , oColumn )
Populates TH element for the body THEAD element.
Parameters:
elTh <HTMLElement> TH element reference.
oColumn <YAHOO.widget.Column> Column object.
Returns: void

_initCaptionEl

private void _initCaptionEl ( sCaption )
Creates HTML markup CAPTION element.
Parameters:
sCaption <String> Text for caption.
Returns: void

_initContainerEl

private void _initContainerEl ( elContainer )
Initializes the DataTable outer container element and creates inner header and body container elements.
Parameters:
elContainer <HTMLElement | String> HTML DIV element by reference or ID.
Returns: void

_initDomElements

private void _initDomElements ( elContainer )
Initializes DOM elements for a ScrollingDataTable, including creation of two separate TABLE elements.
Parameters:
elContainer <HTMLElement | String} HTML DIV element by reference or ID. return {Boolean> False in case of error, otherwise true
Returns: void

_initTableEl

private void _initTableEl ( )
Initializes ScrollingDataTable TABLE elements into the two inner containers.
Returns: void

_initTbodyEl

private void _initTbodyEl ( elTable )
Initializes ScrollingDataTable TBODY element for data
Parameters:
elTable <HTMLElement> TABLE element into which to create TBODY .
Returns: void

_initTheadEl

private void _initTheadEl ( elHdTable , elTable )
Initializes ScrollingDataTable THEAD elements into the two inner containers.
Parameters:
elHdTable <HTMLElement> (optional) Fixed header TABLE element reference.
elTable <HTMLElement> (optional) TABLE element reference.
Returns: void

_initThEl

private void _initThEl ( elTh , oColumn )
SDT changes ID so as not to duplicate the accessibility TH IDs.
Parameters:
elTh <HTMLElement> TH element reference.
oColumn <YAHOO.widget.Column> Column object.
Returns: void

_onScroll

private void _onScroll ( e , oSelf )
Syncs scrolltop and scrollleft of all TABLEs.
Parameters:
e <HTMLEvent> The scroll event.
oSelf <YAHOO.widget.ScrollingDataTable> ScrollingDataTable instance.
Returns: void

_onTheadKeydown

private void _onTheadKeydown ( e , oSelf )
Handles keydown events on the THEAD element.
Parameters:
e <HTMLEvent> The key event.
oSelf <YAHOO.widget.ScrollingDataTable> ScrollingDataTable instance.
Returns: void

_retoreScrollPositions

private void _retoreScrollPositions ( )
Restores scroll positions to stored value.
Returns: void

_runRenderChain

private void _runRenderChain ( )
Internal wrapper calls run() on render Chain instance.
Returns: void

_setOverhangValue

private void _setOverhangValue ( nBorderWidth )
Sets Column header overhang to given width.
Parameters:
nBorderWidth <Number> Value of new border for overhang.
Returns: void

_storeScrollPositions

private void _storeScrollPositions ( )
Stores scroll positions so they can be restored after a render.
Returns: void

_syncScroll

private void _syncScroll ( )
Syncs padding around scrollable tables, including Column header right-padding and container width and height.
Returns: void

_syncScrollOverhang

private void _syncScrollOverhang ( )
Adds/removes Column header overhang as necesary.
Returns: void

_syncScrollX

private void _syncScrollX ( )
Snaps container height for x-scrolling tables in IE. Syncs message TBODY width.
Returns: void

_syncScrollY

private void _syncScrollY ( )
Snaps container width for y-scrolling tables.
Returns: void

_validateColumnWidth

private void _validateColumnWidth ( oColumn , elTd )
Helper function calculates and sets a validated width for a Column in a ScrollingDataTable.
Parameters:
oColumn <YAHOO.widget.Column> Column instance.
elTd <HTMLElement> TD element to validate against.
Returns: void

clearScrollPositions

private void clearScrollPositions ( )
Clears stored scroll positions to interrupt the automatic restore mechanism. Useful for setting scroll positions programmatically rather than as part of the post-render cleanup process.
Returns: void

disable

void disable ( )
Disables ScrollingDataTable UI.
Returns: void

getBdContainerEl

HTMLElement getBdContainerEl ( )
Returns DOM reference to the DataTable's scrolling body container element.
Returns: HTMLElement
Reference to DIV element.

getBdTableEl

HTMLElement getBdTableEl ( )
Returns DOM reference to the DataTable's scrolling body TABLE element.
Returns: HTMLElement
Reference to TABLE element.

getHdContainerEl

HTMLElement getHdContainerEl ( )
Returns DOM reference to the DataTable's fixed header container element.
Returns: HTMLElement
Reference to DIV element.

getHdTableEl

HTMLElement getHdTableEl ( )
Returns DOM reference to the DataTable's fixed header TABLE element.
Returns: HTMLElement
Reference to TABLE element.

initAttributes

private void initAttributes ( oConfigs )
Implementation of Element's abstract method. Sets up config values.
Parameters:
oConfigs <Object> (Optional) Object literal definition of configuration values.
Returns: void

insertColumn

YAHOO.widget.Column insertColumn ( oColumn , index )
Inserts given Column at the index if given, otherwise at the end. NOTE: You can only add non-nested Columns and top-level parent Columns. You cannot add a nested Column to an existing parent.
Parameters:
oColumn <Object | YAHOO.widget.Column> Object literal Column definition or a Column instance.
index <Number> (optional) New tree index.
Returns: YAHOO.widget.Column
oColumn Inserted Column instance.

onColumnChange

void onColumnChange ( oArgs )
Handles Column mutations
Parameters:
oArgs <Object> Custom Event data.
Returns: void

removeColumn

YAHOO.widget.Column removeColumn ( oColumn )
Removes given Column. NOTE: You cannot remove nested Columns. You can only remove non-nested Columns, and top-level parent Columns (which will remove all children Columns).
Parameters:
oColumn <YAHOO.widget.Column> Column instance.
Returns: YAHOO.widget.Column
oColumn Removed Column instance.

reorderColumn

void reorderColumn ( oColumn , index )
Removes given Column and inserts into given tree index. NOTE: You can only reorder non-nested Columns and top-level parent Columns. You cannot reorder a nested Column to an existing parent.
Parameters:
oColumn <YAHOO.widget.Column> Column instance.
index <Number> New tree index.
Returns: void

scrollTo

void scrollTo ( to )
Scrolls to given row or cell
Parameters:
to <YAHOO.widget.Record | HTMLElement > Itme to scroll to.
Returns: void

setColumnWidth

void setColumnWidth ( oColumn , nWidth )
Sets given Column to given pixel width. If new width is less than minWidth width, sets to minWidth. Updates oColumn.width value.
Parameters:
oColumn <YAHOO.widget.Column> Column instance.
nWidth <Number> New width in pixels.
Returns: void

showTableMessage

void showTableMessage ( sHTML , sClassName )
Displays message within secondary TBODY.
Parameters:
sHTML <String> (optional) Value for innerHTMlang.
sClassName <String> (optional) Classname.
Returns: void

validateColumnWidths

void validateColumnWidths ( oArg.column )
For one or all Columns of a ScrollingDataTable, when Column is not hidden, and width is not set, syncs widths of header and body cells and validates that width against minWidth and/or maxAutoWidth as necessary.
Parameters:
oArg.column <YAHOO.widget.Column> (optional) One Column to validate. If null, all Columns' widths are validated.
Returns: void

Methods inherited from YAHOO.widget.DataTable:

_clearMinWidth, _clearTrTemplateEl, _createTrEl, _defaultPaginatorContainers, _deleteTrEl, _destroyColgroupEl, _destroyColumnHelpers, _destroyContainerEl, _destroyDraggableColumns, _destroyMsgTbodyEl, _destroyPaginator, _destroyResizeableColumns, _destroyTableEl, _destroyTbodyEl, _destroyTheadEl, _focusEl, _formatTdEl, _getColumnClassnames, _getSelectionAnchor, _getSelectionTrigger, _getTrTemplateEl, _handleCellBlockSelectionByKey, _handleCellBlockSelectionByMouse, _handleCellRangeSelectionByKey, _handleCellRangeSelectionByMouse, _handlePaginatorChange, _handleSingleCellSelectionByKey, _handleSingleCellSelectionByMouse, _handleSingleSelectionByKey, _handleSingleSelectionByMouse, _handleStandardSelectionByKey, _handleStandardSelectionByMouse, _initCaptionEl, _initCellEditing, _initCellEditorEl, _initColgroupEl, _initColumnHelpers, _initColumnSet, _initColumnSort, _initConfigs, _initContainerEl, _initDataSource, _initDomElements, _initDraggableColumns, _initEvents, _initMsgTbodyEl, _initRecordSet, _initResizeableColumns, _initTableEl, _initTbodyEl, _initTheadEl, _initThEl, _insertColgroupColEl, _onDocumentClick, _onDropdownChange, _onEditorBlockEvent, _onEditorBlurEvent, _onEditorCancelEvent, _onEditorKeydownEvent, _onEditorRevertEvent, _onEditorSaveEvent, _onEditorShowEvent, _onEditorUnblockEvent, _onRenderChainEnd, _onTableDblclick, _onTableFocus, _onTableKeypress, _onTableMousedown, _onTableMouseout, _onTableMouseover, _onTableMouseup, _onTbodyClick, _onTbodyFocus, _onTbodyKeydown, _onTheadClick, _onTheadFocus, _onTheadKeydown, _removeColgroupColEl, _reorderColgroupColEl, _repaintGecko, _repaintOpera, _repaintWebkit, _restoreMinWidth, _runRenderChain, _setColumnWidth, _setColumnWidthDynFunction, _setColumnWidthDynStyles, _setFirstRow, _setLastRow, _setRowStripes, _setSelections, _syncColWidths, _unselectAllTdEls, _unselectAllTrEls, _unsetFirstRow, _unsetLastRow, _updatePaginator, _updateTrEl, addRow, addRows, cancelCellEditor, clearTextSelection, DataTable.editCheckbox, DataTable.editDate, DataTable.editDropdown, DataTable.editRadio, DataTable.editTextarea, DataTable.editTextbox, DataTable.formatTheadCell, deleteRow, deleteRows, destroy, destroyCellEditor, disable, doBeforeLoadData, doBeforePaginatorChange, doBeforeShowCellEditor, doBeforeSortColumn, focus, focusTbodyEl, focusTheadEl, formatCell, getAboveTdEl, getBelowTdEl, getBody, getCell, getCellEditor, getColumn, getColumnById, getColumnSet, getColumnSortDir, getContainerEl, getDataSource, getFirstTdEl, getFirstTrEl, getId, getLastSelectedCell, getLastSelectedRecord, getLastTdEl, getLastTrEl, getMsgTbodyEl, getMsgTdEl, getNextTdEl, getNextTrEl, getPreviousTdEl, getPreviousTrEl, getRecord, getRecordIndex, getRecordSet, getRow, getSelectedCells, getSelectedColumns, getSelectedRows, getSelectedTdEls, getSelectedTrEls, getState, getTableEl, getTbodyEl, getTdEl, getTdLinerEl, getTheadEl, getThEl, getThLinerEl, getTrEl, getTrIndex, handleDataReturnPayload, hideColumn, hideTableMessage, highlightCell, highlightColumn, highlightRow, initAttributes, initializeTable, insertColumn, isSelected, onDataReturnAppendRows, onDataReturnInitializeTable, onDataReturnInsertRows, onDataReturnReplaceRows, onDataReturnSetRecords, onDataReturnSetRows, onDataReturnUpdateRows, onEditorBlockEvent, onEditorBlurEvent, onEditorUnblockEvent, onEventCancelCellEditor, onEventEditCell, onEventFormatCell, onEventHighlightCell, onEventHighlightColumn, onEventHighlightRow, onEventSaveCellEditor, onEventSelectCell, onEventSelectColumn, onEventSelectRow, onEventShowCellEditor, onEventSortColumn, onEventUnhighlightCell, onEventUnhighlightColumn, onEventUnhighlightRow, onPaginatorChange, onPaginatorChangeRequest, onShow, refreshView, removeColumn, render, renderPaginator, reorderColumn, resetCellEditor, saveCellEditor, select, selectCell, selectColumn, selectRow, setColumnWidth, showCellEditor, showColumn, showTableMessage, sortColumn, toString, undisable, unhighlightCell, unhighlightColumn, unhighlightRow, unselectAllCells, unselectAllRows, unselectCell, unselectColumn, unselectRow, updateCell, updateRow, updateRows, validateColumnWidths

Methods inherited from YAHOO.util.AttributeProvider:

configureAttribute, fireBeforeChangeEvent, fireChangeEvent, get, getAttributeConfig, getAttributeKeys, refresh, register, resetAttributeConfig, resetValue, set, setAttributeConfig, setAttributes

Methods inherited from YAHOO.util.Element:

_setHTMLAttrConfig, addClass, addListener, appendChild, appendTo, delegate, fireQueue, getElementsByClassName, getElementsByTagName, getStyle, hasChildNodes, hasClass, initAttributes, insertBefore, on, removeChild, removeClass, removeDelegate, removeListener, replaceChild, replaceClass, setStyle, subscribe

Events

beforeCOLOR_COLUMNFILLERChange

beforeCOLOR_COLUMNFILLERChange ( event )
Fires before the value for the configuration attribute 'COLOR_COLUMNFILLER' changes. Return false to cancel the attribute change.
Parameters:
event <{oldValue: any, newValue: any}> An object containing the previous attribute value and the new value.

beforeHeightChange

beforeHeightChange ( event )
Fires before the value for the configuration attribute 'height' changes. Return false to cancel the attribute change.
Parameters:
event <{oldValue: any, newValue: any}> An object containing the previous attribute value and the new value.

beforeWidthChange

beforeWidthChange ( event )
Fires before the value for the configuration attribute 'width' changes. Return false to cancel the attribute change.
Parameters:
event <{oldValue: any, newValue: any}> An object containing the previous attribute value and the new value.

COLOR_COLUMNFILLERChange

COLOR_COLUMNFILLERChange ( event )
Fires when the value for the configuration attribute 'COLOR_COLUMNFILLER' changes.
Parameters:
event <{oldValue: any, newValue: any}> An object containing the previous attribute value and the new value.

heightChange

heightChange ( event )
Fires when the value for the configuration attribute 'height' changes.
Parameters:
event <{oldValue: any, newValue: any}> An object containing the previous attribute value and the new value.

tableScrollEvent

tableScrollEvent ( oArgs.event , oArgs.target )
Fired when a fixed scrolling DataTable has a scroll.
Parameters:
oArgs.event <HTMLEvent> The event object.
oArgs.target <HTMLElement> The DataTable's CONTAINER element (in IE) or the DataTable's TBODY element (everyone else).

widthChange

widthChange ( event )
Fires when the value for the configuration attribute 'width' changes.
Parameters:
event <{oldValue: any, newValue: any}> An object containing the previous attribute value and the new value.

Events inherited from YAHOO.widget.DataTable:

beforeCaptionChange, beforeCurrencyOptionsChange, beforeCurrencySymbolChange, beforeDateOptionsChange, beforeDraggableColumnsChange, beforeDynamicDataChange, beforeFormatRowChange, beforeGenerateRequestChange, beforeInitialLoadChange, beforeInitialRequestChange, beforeMSG_EMPTYChange, beforeMSG_ERRORChange, beforeMSG_LOADINGChange, beforeMSG_SORTASCChange, beforeMSG_SORTDESCChange, beforeNumberOptionsChange, beforePaginatorChange, beforeRenderEvent, beforeRenderLoopSizeChange, beforeSelectionModeChange, beforeSortedByChange, beforeSummaryChange, buttonClickEvent, captionChange, cellClickEvent, cellDblclickEvent, cellFormatEvent, cellHighlightEvent, cellMousedownEvent, cellMouseoutEvent, cellMouseoverEvent, cellMouseupEvent, cellSelectEvent, cellUnhighlightEvent, cellUnselectEvent, cellUpdateEvent, checkboxClickEvent, columnHideEvent, columnHighlightEvent, columnInsertEvent, columnRemoveEvent, columnReorderEvent, columnResizeEvent, columnSelectEvent, columnSetWidthEvent, columnShowEvent, columnSortEvent, columnUnhighlightEvent, columnUnselectEvent, columnUnsetWidthEvent, currencyOptionsChange, currencySymbolChange, dataReturnEvent, dateOptionsChange, disableEvent, draggableColumnsChange, dropdownChangeEvent, dynamicDataChange, editorBlockEvent, editorBlurEvent, editorCancelEvent, editorKeydownEvent, editorRevertEvent, editorSaveEvent, editorShowEvent, editorUnblockEvent, editorUpdateEvent, formatRowChange, generateRequestChange, headerCellClickEvent, headerCellDblclickEvent, headerCellMousedownEvent, headerCellMouseoutEvent, headerCellMouseoverEvent, headerLabelClickEvent, headerLabelDbllickEvent, headerLabelMousedownEvent, headerLabelMouseoutEvent, headerLabelMouseoverEvent, headerRowClickEvent, headerRowDblclickEvent, headerRowMousedownEvent, headerRowMouseoutEvent, headerRowMouseoverEvent, initEvent, initialLoadChange, initialRequestChange, linkClickEvent, MSG_EMPTYChange, MSG_ERRORChange, MSG_LOADINGChange, MSG_SORTASCChange, MSG_SORTDESCChange, numberOptionsChange, paginatorChange, postRenderEvent, radioClickEvent, renderEvent, renderLoopSizeChange, rowAddEvent, rowClickEvent, rowDblclickEvent, rowDeleteEvent, rowHighlightEvent, rowMousedownEvent, rowMouseoutEvent, rowMouseoverEvent, rowMouseupEvent, rowsAddEvent, rowsDeleteEvent, rowSelectEvent, rowUnhighlightEvent, rowUnselectEvent, rowUpdateEvent, selectionModeChange, sortedByChange, summaryChange tableBlurEvent tableClickEvent tableDblclickEvent tableFocusEvent tableKeyEvent tableMousedownEvent tableMouseoutEvent tableMouseoverEvent tableMouseupEvent tableMsgHideEvent tableMsgShowEvent tbodyFocusEvent tbodyKeyEvent theadCellClickEvent theadCellDblclickEvent theadCellMousedownEvent theadCellMouseoutEvent theadCellMouseoverEvent theadCellMouseupEvent theadFocusEvent theadKeyEvent theadLabelClickEvent theadLabelDblclickEvent theadLabelMousedownEvent theadLabelMouseoutEvent theadLabelMouseoverEvent theadLabelMouseupEvent theadRowClickEvent theadRowDblclickEvent theadRowMousedownEvent theadRowMouseoutEvent theadRowMouseoverEvent theadRowMouseupEvent undisableEvent unselectAllCellsEvent unselectAllRowsEvent

Events inherited from YAHOO.util.Element:

appendTo, available, beforeAppendTo, beforeElementChange, contentReady, elementChange,

Configuration Attributes

COLOR_COLUMNFILLER - String

CSS color value assigned to header filler on scrollable tables.
Default Value: "#F2F2F2"

height - String

Table body height for scrollable tables, not including headers (e.g., "40em").

width - String

Table width for scrollable tables (e.g., "40em").

Configuration Attributes

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