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New: fnCreatedCell option for columns - this function is a compliment to fnRender, but in this case it is called when the cell is available (unlike fnRender). This allows DOM manipulation of the cell (or possibly the row as the parentNode if you so wished), such as adding a cell based on the cell data, or any other DOM manipulation.

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This commit is contained in:
Allan Jardine 2011-12-06 14:48:49 +00:00
parent b0d5255de9
commit a264ca66e9
6 changed files with 126 additions and 38 deletions
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68
media/js/jquery.dataTables.js vendored
View File

@ -152,6 +152,7 @@
_fnMap( oCol, oOptions, "sWidth", "sWidthOrig" );
_fnMap( oCol, oOptions, "sClass" );
_fnMap( oCol, oOptions, "fnRender" );
_fnMap( oCol, oOptions, "fnCreatedCell" );
_fnMap( oCol, oOptions, "bUseRendered" );
_fnMap( oCol, oOptions, "mDataProp" );
_fnMap( oCol, oOptions, "asSorting" );
@ -462,7 +463,8 @@
{
var iLoop, i, iLen, j, jLen, jInner,
nTds, nTrs, nTd, aLocalData, iThisIndex,
iRow, iRows, iColumn, iColumns, sNodeName;
iRow, iRows, iColumn, iColumns, sNodeName,
oCol, oData;
/*
* Process by row first
@ -529,17 +531,19 @@
/* Now process by column */
for ( iColumn=0, iColumns=oSettings.aoColumns.length ; iColumn<iColumns ; iColumn++ )
{
oCol = oSettings.aoColumns[iColumn];
/* Get the title of the column - unless there is a user set one */
if ( oSettings.aoColumns[iColumn].sTitle === null )
if ( oCol.sTitle === null )
{
oSettings.aoColumns[iColumn].sTitle = oSettings.aoColumns[iColumn].nTh.innerHTML;
oCol.sTitle = oCol.nTh.innerHTML;
}
var
bAutoType = oSettings.aoColumns[iColumn]._bAutoType,
bRender = typeof oSettings.aoColumns[iColumn].fnRender == 'function',
bClass = oSettings.aoColumns[iColumn].sClass !== null,
bVisible = oSettings.aoColumns[iColumn].bVisible,
bAutoType = oCol._bAutoType,
bRender = typeof oCol.fnRender == 'function',
bClass = oCol.sClass !== null,
bVisible = oCol.bVisible,
nCell, sThisType, sRendered, sValType;
/* A single loop to rule them all (and be more efficient) */
@ -547,24 +551,25 @@
{
for ( iRow=0, iRows=oSettings.aoData.length ; iRow<iRows ; iRow++ )
{
oData = oSettings.aoData[iRow];
nCell = nTds[ (iRow*iColumns) + iColumn ];
/* Type detection */
if ( bAutoType && oSettings.aoColumns[iColumn].sType != 'string' )
if ( bAutoType && oCol.sType != 'string' )
{
sValType = _fnGetCellData( oSettings, iRow, iColumn, 'type' );
if ( sValType !== '' )
{
sThisType = _fnDetectType( sValType );
if ( oSettings.aoColumns[iColumn].sType === null )
if ( oCol.sType === null )
{
oSettings.aoColumns[iColumn].sType = sThisType;
oCol.sType = sThisType;
}
else if ( oSettings.aoColumns[iColumn].sType != sThisType &&
oSettings.aoColumns[iColumn].sType != "html" )
else if ( oCol.sType != sThisType &&
oCol.sType != "html" )
{
/* String is always the 'fallback' option */
oSettings.aoColumns[iColumn].sType = 'string';
oCol.sType = 'string';
}
}
}
@ -572,14 +577,14 @@
/* Rendering */
if ( bRender )
{
sRendered = oSettings.aoColumns[iColumn].fnRender( {
sRendered = oCol.fnRender( {
"iDataRow": iRow,
"iDataColumn": iColumn,
"aData": oSettings.aoData[iRow]._aData,
"aData": oData._aData,
"oSettings": oSettings
} );
nCell.innerHTML = sRendered;
if ( oSettings.aoColumns[iColumn].bUseRendered )
if ( oCol.bUseRendered )
{
/* Use the rendered data for filtering/sorting */
_fnSetCellData( oSettings, iRow, iColumn, sRendered );
@ -589,18 +594,25 @@
/* Classes */
if ( bClass )
{
nCell.className += ' '+oSettings.aoColumns[iColumn].sClass;
nCell.className += ' '+oCol.sClass;
}
/* Column visability */
if ( !bVisible )
{
oSettings.aoData[iRow]._anHidden[iColumn] = nCell;
oData._anHidden[iColumn] = nCell;
nCell.parentNode.removeChild( nCell );
}
else
{
oSettings.aoData[iRow]._anHidden[iColumn] = null;
oData._anHidden[iColumn] = null;
}
if ( oCol.fnCreatedCell )
{
oCol.fnCreatedCell.call( oSettings.oInstance,
nCell, _fnGetCellData( oSettings, iRow, iColumn, 'display' ), oData._aData, iRow
);
}
}
}
@ -971,6 +983,13 @@
{
oData._anHidden[i] = nTd;
}
if ( oCol.fnCreatedCell )
{
oCol.fnCreatedCell.call( oSettings.oInstance,
nTd, _fnGetCellData( oSettings, iRow, i, 'display' ), oData._aData, iRow
);
}
}
}
}
@ -7067,6 +7086,17 @@
*/
"_bAutoType": true,
/**
*
* @type function
* @param {element} nTd The TD node that has been created
* @param {*} sData The Data for the cell
* @param {array|object} oData The data for the whole row
* @param {int} iRow The row index for the aoData data store
* @default null
*/
"fnCreatedCell": null,
/**
* Function to get data from a cell in a column. You should <b>never</b>
* access data directly through _aData internally in DataTables - always use

1
media/src/core/core.columns.js
View File

@ -91,6 +91,7 @@ function _fnColumnOptions( oSettings, iCol, oOptions )
_fnMap( oCol, oOptions, "sWidth", "sWidthOrig" );
_fnMap( oCol, oOptions, "sClass" );
_fnMap( oCol, oOptions, "fnRender" );
_fnMap( oCol, oOptions, "fnCreatedCell" );
_fnMap( oCol, oOptions, "bUseRendered" );
_fnMap( oCol, oOptions, "mDataProp" );
_fnMap( oCol, oOptions, "asSorting" );

49
media/src/core/core.data.js
View File

@ -85,7 +85,8 @@ function _fnGatherData( oSettings )
{
var iLoop, i, iLen, j, jLen, jInner,
nTds, nTrs, nTd, aLocalData, iThisIndex,
iRow, iRows, iColumn, iColumns, sNodeName;
iRow, iRows, iColumn, iColumns, sNodeName,
oCol, oData;
/*
* Process by row first
@ -152,17 +153,19 @@ function _fnGatherData( oSettings )
/* Now process by column */
for ( iColumn=0, iColumns=oSettings.aoColumns.length ; iColumn<iColumns ; iColumn++ )
{
oCol = oSettings.aoColumns[iColumn];
/* Get the title of the column - unless there is a user set one */
if ( oSettings.aoColumns[iColumn].sTitle === null )
if ( oCol.sTitle === null )
{
oSettings.aoColumns[iColumn].sTitle = oSettings.aoColumns[iColumn].nTh.innerHTML;
oCol.sTitle = oCol.nTh.innerHTML;
}
var
bAutoType = oSettings.aoColumns[iColumn]._bAutoType,
bRender = typeof oSettings.aoColumns[iColumn].fnRender == 'function',
bClass = oSettings.aoColumns[iColumn].sClass !== null,
bVisible = oSettings.aoColumns[iColumn].bVisible,
bAutoType = oCol._bAutoType,
bRender = typeof oCol.fnRender == 'function',
bClass = oCol.sClass !== null,
bVisible = oCol.bVisible,
nCell, sThisType, sRendered, sValType;
/* A single loop to rule them all (and be more efficient) */
@ -170,24 +173,25 @@ function _fnGatherData( oSettings )
{
for ( iRow=0, iRows=oSettings.aoData.length ; iRow<iRows ; iRow++ )
{
oData = oSettings.aoData[iRow];
nCell = nTds[ (iRow*iColumns) + iColumn ];
/* Type detection */
if ( bAutoType && oSettings.aoColumns[iColumn].sType != 'string' )
if ( bAutoType && oCol.sType != 'string' )
{
sValType = _fnGetCellData( oSettings, iRow, iColumn, 'type' );
if ( sValType !== '' )
{
sThisType = _fnDetectType( sValType );
if ( oSettings.aoColumns[iColumn].sType === null )
if ( oCol.sType === null )
{
oSettings.aoColumns[iColumn].sType = sThisType;
oCol.sType = sThisType;
}
else if ( oSettings.aoColumns[iColumn].sType != sThisType &&
oSettings.aoColumns[iColumn].sType != "html" )
else if ( oCol.sType != sThisType &&
oCol.sType != "html" )
{
/* String is always the 'fallback' option */
oSettings.aoColumns[iColumn].sType = 'string';
oCol.sType = 'string';
}
}
}
@ -195,14 +199,14 @@ function _fnGatherData( oSettings )
/* Rendering */
if ( bRender )
{
sRendered = oSettings.aoColumns[iColumn].fnRender( {
sRendered = oCol.fnRender( {
"iDataRow": iRow,
"iDataColumn": iColumn,
"aData": oSettings.aoData[iRow]._aData,
"aData": oData._aData,
"oSettings": oSettings
} );
nCell.innerHTML = sRendered;
if ( oSettings.aoColumns[iColumn].bUseRendered )
if ( oCol.bUseRendered )
{
/* Use the rendered data for filtering/sorting */
_fnSetCellData( oSettings, iRow, iColumn, sRendered );
@ -212,18 +216,25 @@ function _fnGatherData( oSettings )
/* Classes */
if ( bClass )
{
nCell.className += ' '+oSettings.aoColumns[iColumn].sClass;
nCell.className += ' '+oCol.sClass;
}
/* Column visability */
if ( !bVisible )
{
oSettings.aoData[iRow]._anHidden[iColumn] = nCell;
oData._anHidden[iColumn] = nCell;
nCell.parentNode.removeChild( nCell );
}
else
{
oSettings.aoData[iRow]._anHidden[iColumn] = null;
oData._anHidden[iColumn] = null;
}
if ( oCol.fnCreatedCell )
{
oCol.fnCreatedCell.call( oSettings.oInstance,
nCell, _fnGetCellData( oSettings, iRow, iColumn, 'display' ), oData._aData, iRow
);
}
}
}

7
media/src/core/core.draw.js
View File

@ -64,6 +64,13 @@ function _fnCreateTr ( oSettings, iRow )
{
oData._anHidden[i] = nTd;
}
if ( oCol.fnCreatedCell )
{
oCol.fnCreatedCell.call( oSettings.oInstance,
nTd, _fnGetCellData( oSettings, iRow, i, 'display' ), oData._aData, iRow
);
}
}
}
}

11
media/src/model/model.column.js
View File

@ -82,6 +82,17 @@ DataTable.models.oColumn = {
*/
"_bAutoType": true,
/**
*
* @type function
* @param {element} nTd The TD node that has been created
* @param {*} sData The Data for the cell
* @param {array|object} oData The data for the whole row
* @param {int} iRow The row index for the aoData data store
* @default null
*/
"fnCreatedCell": null,
/**
* Function to get data from a cell in a column. You should <b>never</b>
* access data directly through _aData internally in DataTables - always use

28
media/src/model/model.init.columns.js
View File

@ -210,6 +210,34 @@ DataTable.models.oInitColumns = {
* } );
*/
"bVisible": true,
/**
* Developer definable function that is called whenever a cell is created (Ajax source,
* etc) or processed for input (DOM source). This can be used as a compliment to fnRender
* allowing you to modify the DOM element (add background colour for example) when the
* element is available (since it is not when fnRender is called).
* @type function
* @param {element} nTd The TD node that has been created
* @param {*} sData The Data for the cell
* @param {array|object} oData The data for the whole row
* @param {int} iRow The row index for the aoData data store
*
* @example
* $(document).ready(function() {
* $('#example').dataTable( {
* "aoColumnDefs": [ {
* "aTargets": [3],
* "fnCreatedCell": function (nTd, sData, oData, i) {
* if ( sData == "1.7" ) {
* $(nTd).css('color', 'blue')
* }
* }
* } ]
* });
* } );
*/
"fnCreatedCell": null,
/**