/**
* DataTables settings object - this holds all the information needed for a
* given table, including configuration, data and current application of the
* table options. DataTables does not have a single instance for each DataTable
* with the settings attached to that instance, but rather instances of the
* DataTable "class" are created on-the-fly as needed (typically by a
* $().dataTable() call) and the settings object is then applied to that
* instance.
*
* Note that this object is related to {@link DataTable.defaults} but this
* one is the internal data store for DataTables's cache of columns. It should
* NOT be manipulated outside of DataTables. Any configuration should be done
* through the initialisation options.
* @namespace
* @todo Really should attach the settings object to individual instances so we
* don't need to create new instances on each $().dataTable() call (if the
* table already exists). It would also save passing oSettings around and
* into every single function. However, this is a very significant
* architecture change for DataTables and will almost certainly break
* backwards compatibility with older installations. This is something that
* will be done in 2.0.
*/
DataTable.models.oSettings = {
/**
* Primary features of DataTables and their enablement state.
* @namespace
*/
"oFeatures": {
/**
* Flag to say if DataTables should automatically try to calculate the
* optimum table and columns widths (true) or not (false).
* Note that this parameter will be set by the initialisation routine. To
* set a default use {@link DataTable.defaults}.
* @type boolean
*/
"bAutoWidth": null,
/**
* Delay the creation of TR and TD elements until they are actually
* needed by a driven page draw. This can give a significant speed
* increase for Ajax source and Javascript source data, but makes no
* difference at all fro DOM and server-side processing tables.
* Note that this parameter will be set by the initialisation routine. To
* set a default use {@link DataTable.defaults}.
* @type boolean
*/
"bDeferRender": null,
/**
* Enable filtering on the table or not. Note that if this is disabled
* then there is no filtering at all on the table, including fnFilter.
* To just remove the filtering input use sDom and remove the 'f' option.
* Note that this parameter will be set by the initialisation routine. To
* set a default use {@link DataTable.defaults}.
* @type boolean
*/
"bFilter": null,
/**
* Table information element (the 'Showing x of y records' div) enable
* flag.
* Note that this parameter will be set by the initialisation routine. To
* set a default use {@link DataTable.defaults}.
* @type boolean
*/
"bInfo": null,
/**
* Present a user control allowing the end user to change the page size
* when pagination is enabled.
* Note that this parameter will be set by the initialisation routine. To
* set a default use {@link DataTable.defaults}.
* @type boolean
*/
"bLengthChange": null,
/**
* Pagination enabled or not. Note that if this is disabled then length
* changing must also be disabled.
* Note that this parameter will be set by the initialisation routine. To
* set a default use {@link DataTable.defaults}.
* @type boolean
*/
"bPaginate": null,
/**
* Processing indicator enable flag whenever DataTables is enacting a
* user request - typically an Ajax request for server-side processing.
* Note that this parameter will be set by the initialisation routine. To
* set a default use {@link DataTable.defaults}.
* @type boolean
*/
"bProcessing": null,
/**
* Server-side processing enabled flag - when enabled DataTables will
* get all data from the server for every draw - there is no filtering,
* sorting or paging done on the client-side.
* Note that this parameter will be set by the initialisation routine. To
* set a default use {@link DataTable.defaults}.
* @type boolean
*/
"bServerSide": null,
/**
* Sorting enablement flag.
* Note that this parameter will be set by the initialisation routine. To
* set a default use {@link DataTable.defaults}.
* @type boolean
*/
"bSort": null,
/**
* Apply a class to the columns which are being sorted to provide a
* visual highlight or not. This can slow things down when enabled since
* there is a lot of DOM interaction.
* Note that this parameter will be set by the initialisation routine. To
* set a default use {@link DataTable.defaults}.
* @type boolean
*/
"bSortClasses": null,
/**
* State saving enablement flag.
* Note that this parameter will be set by the initialisation routine. To
* set a default use {@link DataTable.defaults}.
* @type boolean
*/
"bStateSave": null
},
/**
* Scrolling settings for a table.
* @namespace
*/
"oScroll": {
/**
* Indicate if DataTables should be allowed to set the padding / margin
* etc for the scrolling header elements or not. Typically you will want
* this.
* Note that this parameter will be set by the initialisation routine. To
* set a default use {@link DataTable.defaults}.
* @type boolean
*/
"bAutoCss": null,
/**
* When the table is shorter in height than sScrollY, collapse the
* table container down to the height of the table (when true).
* Note that this parameter will be set by the initialisation routine. To
* set a default use {@link DataTable.defaults}.
* @type boolean
*/
"bCollapse": null,
/**
* Infinite scrolling enablement flag. Now deprecated in favour of
* using the Scroller plug-in.
* Note that this parameter will be set by the initialisation routine. To
* set a default use {@link DataTable.defaults}.
* @type boolean
*/
"bInfinite": null,
/**
* Width of the scrollbar for the web-browser's platform. Calculated
* during table initialisation.
* @type int
* @default 0
*/
"iBarWidth": 0,
/**
* Space (in pixels) between the bottom of the scrolling container and
* the bottom of the scrolling viewport before the next page is loaded
* when using infinite scrolling.
* Note that this parameter will be set by the initialisation routine. To
* set a default use {@link DataTable.defaults}.
* @type int
*/
"iLoadGap": null,
/**
* Viewport width for horizontal scrolling. Horizontal scrolling is
* disabled if an empty string.
* Note that this parameter will be set by the initialisation routine. To
* set a default use {@link DataTable.defaults}.
* @type string
*/
"sX": null,
/**
* Width to expand the table to when using x-scrolling. Typically you
* should not need to use this.
* Note that this parameter will be set by the initialisation routine. To
* set a default use {@link DataTable.defaults}.
* @type string
* @deprecated
*/
"sXInner": null,
/**
* Viewport height for vertical scrolling. Vertical scrolling is disabled
* if an empty string.
* Note that this parameter will be set by the initialisation routine. To
* set a default use {@link DataTable.defaults}.
* @type string
*/
"sY": null
},
/**
* Language information for the table.
* @namespace
* @extends DataTable.defaults.oLanguage
*/
"oLanguage": {
/**
* Information callback function. See
* {@link DataTable.defaults.fnInfoCallback}
* @type function
* @default null
*/
"fnInfoCallback": null
},
/**
* Browser support parameters
* @namespace
*/
"oBrowser": {
/**
* Indicate if the browser incorrectly calculates width:100% inside a
* scrolling element (IE6/7)
* @type boolean
* @default false
*/
"bScrollOversize": false
},
/**
* Array referencing the nodes which are used for the features. The
* parameters of this object match what is allowed by sDom - i.e.
* <ul>
* <li>'l' - Length changing</li>
* <li>'f' - Filtering input</li>
* <li>'t' - The table!</li>
* <li>'i' - Information</li>
* <li>'p' - Pagination</li>
* <li>'r' - pRocessing</li>
* </ul>
* @type array
* @default []
*/
"aanFeatures": [],
/**
* Store data information - see {@link DataTable.models.oRow} for detailed
* information.
* @type array
* @default []
*/
"aoData": [],
/**
* Array of indexes which are in the current display (after filtering etc)
* @type array
* @default []
*/
"aiDisplay": [],
/**
* Array of indexes for display - no filtering
* @type array
* @default []
*/
"aiDisplayMaster": [],
/**
* Store information about each column that is in use
* @type array
* @default []
*/
"aoColumns": [],
/**
* Store information about the table's header
* @type array
* @default []
*/
"aoHeader": [],
/**
* Store information about the table's footer
* @type array
* @default []
*/
"aoFooter": [],
/**
* Search data array for regular expression searching
* @type array
* @default []
*/
"asDataSearch": [],
/**
* Store the applied global search information in case we want to force a
* research or compare the old search to a new one.
* Note that this parameter will be set by the initialisation routine. To
* set a default use {@link DataTable.defaults}.
* @namespace
* @extends DataTable.models.oSearch
*/
"oPreviousSearch": {},
/**
* Store the applied search for each column - see
* {@link DataTable.models.oSearch} for the format that is used for the
* filtering information for each column.
* @type array
* @default []
*/
"aoPreSearchCols": [],
/**
* Sorting that is applied to the table. Note that the inner arrays are
* used in the following manner:
* <ul>
* <li>Index 0 - column number</li>
* <li>Index 1 - current sorting direction</li>
* <li>Index 2 - index of asSorting for this column</li>
* </ul>
* Note that this parameter will be set by the initialisation routine. To
* set a default use {@link DataTable.defaults}.
* @type array
* @todo These inner arrays should really be objects
*/
"aaSorting": null,
/**
* Sorting that is always applied to the table (i.e. prefixed in front of
* aaSorting).
* Note that this parameter will be set by the initialisation routine. To
* set a default use {@link DataTable.defaults}.
* @type array|null
* @default null
*/
"aaSortingFixed": null,
/**
* Classes to use for the striping of a table.
* Note that this parameter will be set by the initialisation routine. To
* set a default use {@link DataTable.defaults}.
* @type array
* @default []
*/
"asStripeClasses": null,
/**
* If restoring a table - we should restore its striping classes as well
* @type array
* @default []
*/
"asDestroyStripes": [],
/**
* If restoring a table - we should restore its width
* @type int
* @default 0
*/
"sDestroyWidth": 0,
/**
* Callback functions array for every time a row is inserted (i.e. on a draw).
* @type array
* @default []
*/
"aoRowCallback": [],
/**
* Callback functions for the header on each draw.
* @type array
* @default []
*/
"aoHeaderCallback": [],
/**
* Callback function for the footer on each draw.
* @type array
* @default []
*/
"aoFooterCallback": [],
/**
* Array of callback functions for draw callback functions
* @type array
* @default []
*/
"aoDrawCallback": [],
/**
* Array of callback functions for row created function
* @type array
* @default []
*/
"aoRowCreatedCallback": [],
/**
* Callback functions for just before the table is redrawn. A return of
* false will be used to cancel the draw.
* @type array
* @default []
*/
"aoPreDrawCallback": [],
/**
* Callback functions for when the table has been initialised.
* @type array
* @default []
*/
"aoInitComplete": [],
/**
* Callbacks for modifying the settings to be stored for state saving, prior to
* saving state.
* @type array
* @default []
*/
"aoStateSaveParams": [],
/**
* Callbacks for modifying the settings that have been stored for state saving
* prior to using the stored values to restore the state.
* @type array
* @default []
*/
"aoStateLoadParams": [],
/**
* Callbacks for operating on the settings object once the saved state has been
* loaded
* @type array
* @default []
*/
"aoStateLoaded": [],
/**
* Cache the table ID for quick access
* @type string
* @default <i>Empty string</i>
*/
"sTableId": "",
/**
* The TABLE node for the main table
* @type node
* @default null
*/
"nTable": null,
/**
* Permanent ref to the thead element
* @type node
* @default null
*/
"nTHead": null,
/**
* Permanent ref to the tfoot element - if it exists
* @type node
* @default null
*/
"nTFoot": null,
/**
* Permanent ref to the tbody element
* @type node
* @default null
*/
"nTBody": null,
/**
* Cache the wrapper node (contains all DataTables controlled elements)
* @type node
* @default null
*/
"nTableWrapper": null,
/**
* Indicate if when using server-side processing the loading of data
* should be deferred until the second draw.
* Note that this parameter will be set by the initialisation routine. To
* set a default use {@link DataTable.defaults}.
* @type boolean
* @default false
*/
"bDeferLoading": false,
/**
* Indicate if all required information has been read in
* @type boolean
* @default false
*/
"bInitialised": false,
/**
* Information about open rows. Each object in the array has the parameters
* 'nTr' and 'nParent'
* @type array
* @default []
*/
"aoOpenRows": [],
/**
* Dictate the positioning of DataTables' control elements - see
* {@link DataTable.model.oInit.sDom}.
* Note that this parameter will be set by the initialisation routine. To
* set a default use {@link DataTable.defaults}.
* @type string
* @default null
*/
"sDom": null,
/**
* Which type of pagination should be used.
* Note that this parameter will be set by the initialisation routine. To
* set a default use {@link DataTable.defaults}.
* @type string
* @default two_button
*/
"sPaginationType": "two_button",
/**
* The state duration (for `stateSave`) in seconds.
* Note that this parameter will be set by the initialisation routine. To
* set a default use {@link DataTable.defaults}.
* @type int
* @default 0
*/
"iStateDuration": 0,
/**
* Array of callback functions for state saving. Each array element is an
* object with the following parameters:
* <ul>
* <li>function:fn - function to call. Takes two parameters, oSettings
* and the JSON string to save that has been thus far created. Returns
* a JSON string to be inserted into a json object
* (i.e. '"param": [ 0, 1, 2]')</li>
* <li>string:sName - name of callback</li>
* </ul>
* @type array
* @default []
*/
"aoStateSave": [],
/**
* Array of callback functions for state loading. Each array element is an
* object with the following parameters:
* <ul>
* <li>function:fn - function to call. Takes two parameters, oSettings
* and the object stored. May return false to cancel state loading</li>
* <li>string:sName - name of callback</li>
* </ul>
* @type array
* @default []
*/
"aoStateLoad": [],
/**
* State that was loaded. Useful for back reference
* @type object
* @default null
*/
"oLoadedState": null,
/**
* Source url for AJAX data for the table.
* Note that this parameter will be set by the initialisation routine. To
* set a default use {@link DataTable.defaults}.
* @type string
* @default null
*/
"sAjaxSource": null,
/**
* Property from a given object from which to read the table data from. This
* can be an empty string (when not server-side processing), in which case
* it is assumed an an array is given directly.
* Note that this parameter will be set by the initialisation routine. To
* set a default use {@link DataTable.defaults}.
* @type string
*/
"sAjaxDataProp": null,
/**
* Note if draw should be blocked while getting data
* @type boolean
* @default true
*/
"bAjaxDataGet": true,
/**
* The last jQuery XHR object that was used for server-side data gathering.
* This can be used for working with the XHR information in one of the
* callbacks
* @type object
* @default null
*/
"jqXHR": null,
/**
* Function to get the server-side data.
* Note that this parameter will be set by the initialisation routine. To
* set a default use {@link DataTable.defaults}.
* @type function
*/
"fnServerData": null,
/**
* Functions which are called prior to sending an Ajax request so extra
* parameters can easily be sent to the server
* @type array
* @default []
*/
"aoServerParams": [],
/**
* Send the XHR HTTP method - GET or POST (could be PUT or DELETE if
* required).
* Note that this parameter will be set by the initialisation routine. To
* set a default use {@link DataTable.defaults}.
* @type string
*/
"sServerMethod": null,
/**
* Format numbers for display.
* Note that this parameter will be set by the initialisation routine. To
* set a default use {@link DataTable.defaults}.
* @type function
*/
"fnFormatNumber": null,
/**
* List of options that can be used for the user selectable length menu.
* Note that this parameter will be set by the initialisation routine. To
* set a default use {@link DataTable.defaults}.
* @type array
* @default []
*/
"aLengthMenu": null,
/**
* Counter for the draws that the table does. Also used as a tracker for
* server-side processing
* @type int
* @default 0
*/
"iDraw": 0,
/**
* Indicate if a redraw is being done - useful for Ajax
* @type boolean
* @default false
*/
"bDrawing": false,
/**
* Draw index (iDraw) of the last error when parsing the returned data
* @type int
* @default -1
*/
"iDrawError": -1,
/**
* Paging display length
* @type int
* @default 10
*/
"_iDisplayLength": 10,
/**
* Paging start point - aiDisplay index
* @type int
* @default 0
*/
"_iDisplayStart": 0,
/**
* Paging end point - aiDisplay index. Use fnDisplayEnd rather than
* this property to get the end point
* @type int
* @default 10
* @private
*/
"_iDisplayEnd": 10,
/**
* Server-side processing - number of records in the result set
* (i.e. before filtering), Use fnRecordsTotal rather than
* this property to get the value of the number of records, regardless of
* the server-side processing setting.
* @type int
* @default 0
* @private
*/
"_iRecordsTotal": 0,
/**
* Server-side processing - number of records in the current display set
* (i.e. after filtering). Use fnRecordsDisplay rather than
* this property to get the value of the number of records, regardless of
* the server-side processing setting.
* @type boolean
* @default 0
* @private
*/
"_iRecordsDisplay": 0,
/**
* Flag to indicate if jQuery UI marking and classes should be used.
* Note that this parameter will be set by the initialisation routine. To
* set a default use {@link DataTable.defaults}.
* @type boolean
*/
"bJUI": null,
/**
* The classes to use for the table
* @type object
* @default {}
*/
"oClasses": {},
/**
* Flag attached to the settings object so you can check in the draw
* callback if filtering has been done in the draw. Deprecated in favour of
* events.
* @type boolean
* @default false
* @deprecated
*/
"bFiltered": false,
/**
* Flag attached to the settings object so you can check in the draw
* callback if sorting has been done in the draw. Deprecated in favour of
* events.
* @type boolean
* @default false
* @deprecated
*/
"bSorted": false,
/**
* Indicate that if multiple rows are in the header and there is more than
* one unique cell per column, if the top one (true) or bottom one (false)
* should be used for sorting / title by DataTables.
* Note that this parameter will be set by the initialisation routine. To
* set a default use {@link DataTable.defaults}.
* @type boolean
*/
"bSortCellsTop": null,
/**
* Initialisation object that is used for the table
* @type object
* @default null
*/
"oInit": null,
/**
* Destroy callback functions - for plug-ins to attach themselves to the
* destroy so they can clean up markup and events.
* @type array
* @default []
*/
"aoDestroyCallback": [],
/**
* Get the number of records in the current record set, before filtering
* @type function
*/
"fnRecordsTotal": function ()
{
if ( this.oFeatures.bServerSide ) {
return parseInt(this._iRecordsTotal, 10);
} else {
return this.aiDisplayMaster.length;
}
},
/**
* Get the number of records in the current record set, after filtering
* @type function
*/
"fnRecordsDisplay": function ()
{
if ( this.oFeatures.bServerSide ) {
return parseInt(this._iRecordsDisplay, 10);
} else {
return this.aiDisplay.length;
}
},
/**
* Set the display end point - aiDisplay index
* @type function
* @todo Should do away with _iDisplayEnd and calculate it on-the-fly here
*/
"fnDisplayEnd": function ()
{
if ( this.oFeatures.bServerSide ) {
if ( this.oFeatures.bPaginate === false || this._iDisplayLength == -1 ) {
return this._iDisplayStart+this.aiDisplay.length;
} else {
return Math.min( this._iDisplayStart+this._iDisplayLength,
this._iRecordsDisplay );
}
} else {
return this._iDisplayEnd;
}
},
/**
* The DataTables object for this table
* @type object
* @default null
*/
"oInstance": null,
/**
* Unique identifier for each instance of the DataTables object. If there
* is an ID on the table node, then it takes that value, otherwise an
* incrementing internal counter is used.
* @type string
* @default null
*/
"sInstance": null,
/**
* tabindex attribute value that is added to DataTables control elements, allowing
* keyboard navigation of the table and its controls.
*/
"iTabIndex": 0,
/**
* DIV container for the footer scrolling table if scrolling
*/
"nScrollHead": null,
/**
* DIV container for the footer scrolling table if scrolling
*/
"nScrollFoot": null
};
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