| 1 |
/** |
| 2 |
* Create a new TR element (and it's TD children) for a row |
| 3 |
* @param {object} oSettings dataTables settings object |
| 4 |
* @param {int} iRow Row to consider |
| 5 |
* @memberof DataTable#oApi |
| 6 |
*/ |
| 7 |
function _fnCreateTr ( oSettings, iRow ) |
| 8 |
{ |
| 9 |
var oData = oSettings.aoData[iRow]; |
| 10 |
var nTd; |
| 11 |
|
| 12 |
if ( oData.nTr === null ) |
| 13 |
{ |
| 14 |
oData.nTr = document.createElement('tr'); |
| 15 |
|
| 16 |
/* Use a private property on the node to allow reserve mapping from the node |
| 17 |
* to the aoData array for fast look up |
| 18 |
*/ |
| 19 |
oData.nTr._DT_RowIndex = iRow; |
| 20 |
|
| 21 |
/* Special parameters can be given by the data source to be used on the row */ |
| 22 |
if ( oData._aData.DT_RowId ) |
| 23 |
{ |
| 24 |
oData.nTr.id = oData._aData.DT_RowId; |
| 25 |
} |
| 26 |
|
| 27 |
if ( oData._aData.DT_RowClass ) |
| 28 |
{ |
| 29 |
oData.nTr.className = oData._aData.DT_RowClass; |
| 30 |
} |
| 31 |
|
| 32 |
/* Process each column */ |
| 33 |
for ( var i=0, iLen=oSettings.aoColumns.length ; i<iLen ; i++ ) |
| 34 |
{ |
| 35 |
var oCol = oSettings.aoColumns[i]; |
| 36 |
nTd = document.createElement( oCol.sCellType ); |
| 37 |
|
| 38 |
/* Render if needed - if bUseRendered is true then we already have the rendered |
| 39 |
* value in the data source - so can just use that |
| 40 |
*/ |
| 41 |
nTd.innerHTML = (typeof oCol.fnRender === 'function' && (!oCol.bUseRendered || oCol.mData === null)) ? |
| 42 |
_fnRender( oSettings, iRow, i ) : |
| 43 |
_fnGetCellData( oSettings, iRow, i, 'display' ); |
| 44 |
|
| 45 |
/* Add user defined class */ |
| 46 |
if ( oCol.sClass !== null ) |
| 47 |
{ |
| 48 |
nTd.className = oCol.sClass; |
| 49 |
} |
| 50 |
|
| 51 |
if ( oCol.bVisible ) |
| 52 |
{ |
| 53 |
oData.nTr.appendChild( nTd ); |
| 54 |
oData._anHidden[i] = null; |
| 55 |
} |
| 56 |
else |
| 57 |
{ |
| 58 |
oData._anHidden[i] = nTd; |
| 59 |
} |
| 60 |
|
| 61 |
if ( oCol.fnCreatedCell ) |
| 62 |
{ |
| 63 |
oCol.fnCreatedCell.call( oSettings.oInstance, |
| 64 |
nTd, _fnGetCellData( oSettings, iRow, i, 'display' ), oData._aData, iRow, i |
| 65 |
); |
| 66 |
} |
| 67 |
} |
| 68 |
|
| 69 |
_fnCallbackFire( oSettings, 'aoRowCreatedCallback', null, [oData.nTr, oData._aData, iRow] ); |
| 70 |
} |
| 71 |
} |
| 72 |
|
| 73 |
|
| 74 |
/** |
| 75 |
* Create the HTML header for the table |
| 76 |
* @param {object} oSettings dataTables settings object |
| 77 |
* @memberof DataTable#oApi |
| 78 |
*/ |
| 79 |
function _fnBuildHead( oSettings ) |
| 80 |
{ |
| 81 |
var i, nTh, iLen, j, jLen; |
| 82 |
var iThs = $('th, td', oSettings.nTHead).length; |
| 83 |
var iCorrector = 0; |
| 84 |
var jqChildren; |
| 85 |
|
| 86 |
/* If there is a header in place - then use it - otherwise it's going to get nuked... */ |
| 87 |
if ( iThs !== 0 ) |
| 88 |
{ |
| 89 |
/* We've got a thead from the DOM, so remove hidden columns and apply width to vis cols */ |
| 90 |
for ( i=0, iLen=oSettings.aoColumns.length ; i<iLen ; i++ ) |
| 91 |
{ |
| 92 |
nTh = oSettings.aoColumns[i].nTh; |
| 93 |
nTh.setAttribute('role', 'columnheader'); |
| 94 |
if ( oSettings.aoColumns[i].bSortable ) |
| 95 |
{ |
| 96 |
nTh.setAttribute('tabindex', oSettings.iTabIndex); |
| 97 |
nTh.setAttribute('aria-controls', oSettings.sTableId); |
| 98 |
} |
| 99 |
|
| 100 |
if ( oSettings.aoColumns[i].sClass !== null ) |
| 101 |
{ |
| 102 |
$(nTh).addClass( oSettings.aoColumns[i].sClass ); |
| 103 |
} |
| 104 |
|
| 105 |
/* Set the title of the column if it is user defined (not what was auto detected) */ |
| 106 |
if ( oSettings.aoColumns[i].sTitle != nTh.innerHTML ) |
| 107 |
{ |
| 108 |
nTh.innerHTML = oSettings.aoColumns[i].sTitle; |
| 109 |
} |
| 110 |
} |
| 111 |
} |
| 112 |
else |
| 113 |
{ |
| 114 |
/* We don't have a header in the DOM - so we are going to have to create one */ |
| 115 |
var nTr = document.createElement( "tr" ); |
| 116 |
|
| 117 |
for ( i=0, iLen=oSettings.aoColumns.length ; i<iLen ; i++ ) |
| 118 |
{ |
| 119 |
nTh = oSettings.aoColumns[i].nTh; |
| 120 |
nTh.innerHTML = oSettings.aoColumns[i].sTitle; |
| 121 |
nTh.setAttribute('tabindex', '0'); |
| 122 |
|
| 123 |
if ( oSettings.aoColumns[i].sClass !== null ) |
| 124 |
{ |
| 125 |
$(nTh).addClass( oSettings.aoColumns[i].sClass ); |
| 126 |
} |
| 127 |
|
| 128 |
nTr.appendChild( nTh ); |
| 129 |
} |
| 130 |
$(oSettings.nTHead).html( '' )[0].appendChild( nTr ); |
| 131 |
_fnDetectHeader( oSettings.aoHeader, oSettings.nTHead ); |
| 132 |
} |
| 133 |
|
| 134 |
/* ARIA role for the rows */ |
| 135 |
$(oSettings.nTHead).children('tr').attr('role', 'row'); |
| 136 |
|
| 137 |
/* Add the extra markup needed by jQuery UI's themes */ |
| 138 |
if ( oSettings.bJUI ) |
| 139 |
{ |
| 140 |
for ( i=0, iLen=oSettings.aoColumns.length ; i<iLen ; i++ ) |
| 141 |
{ |
| 142 |
nTh = oSettings.aoColumns[i].nTh; |
| 143 |
|
| 144 |
var nDiv = document.createElement('div'); |
| 145 |
nDiv.className = oSettings.oClasses.sSortJUIWrapper; |
| 146 |
$(nTh).contents().appendTo(nDiv); |
| 147 |
|
| 148 |
var nSpan = document.createElement('span'); |
| 149 |
nSpan.className = oSettings.oClasses.sSortIcon; |
| 150 |
nDiv.appendChild( nSpan ); |
| 151 |
nTh.appendChild( nDiv ); |
| 152 |
} |
| 153 |
} |
| 154 |
|
| 155 |
if ( oSettings.oFeatures.bSort ) |
| 156 |
{ |
| 157 |
for ( i=0 ; i<oSettings.aoColumns.length ; i++ ) |
| 158 |
{ |
| 159 |
if ( oSettings.aoColumns[i].bSortable !== false ) |
| 160 |
{ |
| 161 |
_fnSortAttachListener( oSettings, oSettings.aoColumns[i].nTh, i ); |
| 162 |
} |
| 163 |
else |
| 164 |
{ |
| 165 |
$(oSettings.aoColumns[i].nTh).addClass( oSettings.oClasses.sSortableNone ); |
| 166 |
} |
| 167 |
} |
| 168 |
} |
| 169 |
|
| 170 |
/* Deal with the footer - add classes if required */ |
| 171 |
if ( oSettings.oClasses.sFooterTH !== "" ) |
| 172 |
{ |
| 173 |
$(oSettings.nTFoot).children('tr').children('th').addClass( oSettings.oClasses.sFooterTH ); |
| 174 |
} |
| 175 |
|
| 176 |
/* Cache the footer elements */ |
| 177 |
if ( oSettings.nTFoot !== null ) |
| 178 |
{ |
| 179 |
var anCells = _fnGetUniqueThs( oSettings, null, oSettings.aoFooter ); |
| 180 |
for ( i=0, iLen=oSettings.aoColumns.length ; i<iLen ; i++ ) |
| 181 |
{ |
| 182 |
if ( anCells[i] ) |
| 183 |
{ |
| 184 |
oSettings.aoColumns[i].nTf = anCells[i]; |
| 185 |
if ( oSettings.aoColumns[i].sClass ) |
| 186 |
{ |
| 187 |
$(anCells[i]).addClass( oSettings.aoColumns[i].sClass ); |
| 188 |
} |
| 189 |
} |
| 190 |
} |
| 191 |
} |
| 192 |
} |
| 193 |
|
| 194 |
|
| 195 |
/** |
| 196 |
* Draw the header (or footer) element based on the column visibility states. The |
| 197 |
* methodology here is to use the layout array from _fnDetectHeader, modified for |
| 198 |
* the instantaneous column visibility, to construct the new layout. The grid is |
| 199 |
* traversed over cell at a time in a rows x columns grid fashion, although each |
| 200 |
* cell insert can cover multiple elements in the grid - which is tracks using the |
| 201 |
* aApplied array. Cell inserts in the grid will only occur where there isn't |
| 202 |
* already a cell in that position. |
| 203 |
* @param {object} oSettings dataTables settings object |
| 204 |
* @param array {objects} aoSource Layout array from _fnDetectHeader |
| 205 |
* @param {boolean} [bIncludeHidden=false] If true then include the hidden columns in the calc, |
| 206 |
* @memberof DataTable#oApi |
| 207 |
*/ |
| 208 |
function _fnDrawHead( oSettings, aoSource, bIncludeHidden ) |
| 209 |
{ |
| 210 |
var i, iLen, j, jLen, k, kLen, n, nLocalTr; |
| 211 |
var aoLocal = []; |
| 212 |
var aApplied = []; |
| 213 |
var iColumns = oSettings.aoColumns.length; |
| 214 |
var iRowspan, iColspan; |
| 215 |
|
| 216 |
if ( bIncludeHidden === undefined ) |
| 217 |
{ |
| 218 |
bIncludeHidden = false; |
| 219 |
} |
| 220 |
|
| 221 |
/* Make a copy of the master layout array, but without the visible columns in it */ |
| 222 |
for ( i=0, iLen=aoSource.length ; i<iLen ; i++ ) |
| 223 |
{ |
| 224 |
aoLocal[i] = aoSource[i].slice(); |
| 225 |
aoLocal[i].nTr = aoSource[i].nTr; |
| 226 |
|
| 227 |
/* Remove any columns which are currently hidden */ |
| 228 |
for ( j=iColumns-1 ; j>=0 ; j-- ) |
| 229 |
{ |
| 230 |
if ( !oSettings.aoColumns[j].bVisible && !bIncludeHidden ) |
| 231 |
{ |
| 232 |
aoLocal[i].splice( j, 1 ); |
| 233 |
} |
| 234 |
} |
| 235 |
|
| 236 |
/* Prep the applied array - it needs an element for each row */ |
| 237 |
aApplied.push( [] ); |
| 238 |
} |
| 239 |
|
| 240 |
for ( i=0, iLen=aoLocal.length ; i<iLen ; i++ ) |
| 241 |
{ |
| 242 |
nLocalTr = aoLocal[i].nTr; |
| 243 |
|
| 244 |
/* All cells are going to be replaced, so empty out the row */ |
| 245 |
if ( nLocalTr ) |
| 246 |
{ |
| 247 |
while( (n = nLocalTr.firstChild) ) |
| 248 |
{ |
| 249 |
nLocalTr.removeChild( n ); |
| 250 |
} |
| 251 |
} |
| 252 |
|
| 253 |
for ( j=0, jLen=aoLocal[i].length ; j<jLen ; j++ ) |
| 254 |
{ |
| 255 |
iRowspan = 1; |
| 256 |
iColspan = 1; |
| 257 |
|
| 258 |
/* Check to see if there is already a cell (row/colspan) covering our target |
| 259 |
* insert point. If there is, then there is nothing to do. |
| 260 |
*/ |
| 261 |
if ( aApplied[i][j] === undefined ) |
| 262 |
{ |
| 263 |
nLocalTr.appendChild( aoLocal[i][j].cell ); |
| 264 |
aApplied[i][j] = 1; |
| 265 |
|
| 266 |
/* Expand the cell to cover as many rows as needed */ |
| 267 |
while ( aoLocal[i+iRowspan] !== undefined && |
| 268 |
aoLocal[i][j].cell == aoLocal[i+iRowspan][j].cell ) |
| 269 |
{ |
| 270 |
aApplied[i+iRowspan][j] = 1; |
| 271 |
iRowspan++; |
| 272 |
} |
| 273 |
|
| 274 |
/* Expand the cell to cover as many columns as needed */ |
| 275 |
while ( aoLocal[i][j+iColspan] !== undefined && |
| 276 |
aoLocal[i][j].cell == aoLocal[i][j+iColspan].cell ) |
| 277 |
{ |
| 278 |
/* Must update the applied array over the rows for the columns */ |
| 279 |
for ( k=0 ; k<iRowspan ; k++ ) |
| 280 |
{ |
| 281 |
aApplied[i+k][j+iColspan] = 1; |
| 282 |
} |
| 283 |
iColspan++; |
| 284 |
} |
| 285 |
|
| 286 |
/* Do the actual expansion in the DOM */ |
| 287 |
aoLocal[i][j].cell.rowSpan = iRowspan; |
| 288 |
aoLocal[i][j].cell.colSpan = iColspan; |
| 289 |
} |
| 290 |
} |
| 291 |
} |
| 292 |
} |
| 293 |
|
| 294 |
|
| 295 |
/** |
| 296 |
* Insert the required TR nodes into the table for display |
| 297 |
* @param {object} oSettings dataTables settings object |
| 298 |
* @memberof DataTable#oApi |
| 299 |
*/ |
| 300 |
function _fnDraw( oSettings ) |
| 301 |
{ |
| 302 |
/* Provide a pre-callback function which can be used to cancel the draw is false is returned */ |
| 303 |
var aPreDraw = _fnCallbackFire( oSettings, 'aoPreDrawCallback', 'preDraw', [oSettings] ); |
| 304 |
if ( $.inArray( false, aPreDraw ) !== -1 ) |
| 305 |
{ |
| 306 |
_fnProcessingDisplay( oSettings, false ); |
| 307 |
return; |
| 308 |
} |
| 309 |
|
| 310 |
var i, iLen, n; |
| 311 |
var anRows = []; |
| 312 |
var iRowCount = 0; |
| 313 |
var iStripes = oSettings.asStripeClasses.length; |
| 314 |
var iOpenRows = oSettings.aoOpenRows.length; |
| 315 |
|
| 316 |
oSettings.bDrawing = true; |
| 317 |
|
| 318 |
/* Check and see if we have an initial draw position from state saving */ |
| 319 |
if ( oSettings.iInitDisplayStart !== undefined && oSettings.iInitDisplayStart != -1 ) |
| 320 |
{ |
| 321 |
if ( oSettings.oFeatures.bServerSide ) |
| 322 |
{ |
| 323 |
oSettings._iDisplayStart = oSettings.iInitDisplayStart; |
| 324 |
} |
| 325 |
else |
| 326 |
{ |
| 327 |
oSettings._iDisplayStart = (oSettings.iInitDisplayStart >= oSettings.fnRecordsDisplay()) ? |
| 328 |
0 : oSettings.iInitDisplayStart; |
| 329 |
} |
| 330 |
oSettings.iInitDisplayStart = -1; |
| 331 |
_fnCalculateEnd( oSettings ); |
| 332 |
} |
| 333 |
|
| 334 |
/* Server-side processing draw intercept */ |
| 335 |
if ( oSettings.bDeferLoading ) |
| 336 |
{ |
| 337 |
oSettings.bDeferLoading = false; |
| 338 |
oSettings.iDraw++; |
| 339 |
} |
| 340 |
else if ( !oSettings.oFeatures.bServerSide ) |
| 341 |
{ |
| 342 |
oSettings.iDraw++; |
| 343 |
} |
| 344 |
else if ( !oSettings.bDestroying && !_fnAjaxUpdate( oSettings ) ) |
| 345 |
{ |
| 346 |
return; |
| 347 |
} |
| 348 |
|
| 349 |
if ( oSettings.aiDisplay.length !== 0 ) |
| 350 |
{ |
| 351 |
var iStart = oSettings._iDisplayStart; |
| 352 |
var iEnd = oSettings._iDisplayEnd; |
| 353 |
|
| 354 |
if ( oSettings.oFeatures.bServerSide ) |
| 355 |
{ |
| 356 |
iStart = 0; |
| 357 |
iEnd = oSettings.aoData.length; |
| 358 |
} |
| 359 |
|
| 360 |
for ( var j=iStart ; j<iEnd ; j++ ) |
| 361 |
{ |
| 362 |
var aoData = oSettings.aoData[ oSettings.aiDisplay[j] ]; |
| 363 |
if ( aoData.nTr === null ) |
| 364 |
{ |
| 365 |
_fnCreateTr( oSettings, oSettings.aiDisplay[j] ); |
| 366 |
} |
| 367 |
|
| 368 |
var nRow = aoData.nTr; |
| 369 |
|
| 370 |
/* Remove the old striping classes and then add the new one */ |
| 371 |
if ( iStripes !== 0 ) |
| 372 |
{ |
| 373 |
var sStripe = oSettings.asStripeClasses[ iRowCount % iStripes ]; |
| 374 |
if ( aoData._sRowStripe != sStripe ) |
| 375 |
{ |
| 376 |
$(nRow).removeClass( aoData._sRowStripe ).addClass( sStripe ); |
| 377 |
aoData._sRowStripe = sStripe; |
| 378 |
} |
| 379 |
} |
| 380 |
|
| 381 |
/* Row callback functions - might want to manipulate the row */ |
| 382 |
_fnCallbackFire( oSettings, 'aoRowCallback', null, |
| 383 |
[nRow, oSettings.aoData[ oSettings.aiDisplay[j] ]._aData, iRowCount, j] ); |
| 384 |
|
| 385 |
anRows.push( nRow ); |
| 386 |
iRowCount++; |
| 387 |
|
| 388 |
/* If there is an open row - and it is attached to this parent - attach it on redraw */ |
| 389 |
if ( iOpenRows !== 0 ) |
| 390 |
{ |
| 391 |
for ( var k=0 ; k<iOpenRows ; k++ ) |
| 392 |
{ |
| 393 |
if ( nRow == oSettings.aoOpenRows[k].nParent ) |
| 394 |
{ |
| 395 |
anRows.push( oSettings.aoOpenRows[k].nTr ); |
| 396 |
break; |
| 397 |
} |
| 398 |
} |
| 399 |
} |
| 400 |
} |
| 401 |
} |
| 402 |
else |
| 403 |
{ |
| 404 |
/* Table is empty - create a row with an empty message in it */ |
| 405 |
anRows[ 0 ] = document.createElement( 'tr' ); |
| 406 |
|
| 407 |
if ( oSettings.asStripeClasses[0] ) |
| 408 |
{ |
| 409 |
anRows[ 0 ].className = oSettings.asStripeClasses[0]; |
| 410 |
} |
| 411 |
|
| 412 |
var oLang = oSettings.oLanguage; |
| 413 |
var sZero = oLang.sZeroRecords; |
| 414 |
if ( oSettings.iDraw == 1 && oSettings.sAjaxSource !== null && !oSettings.oFeatures.bServerSide ) |
| 415 |
{ |
| 416 |
sZero = oLang.sLoadingRecords; |
| 417 |
} |
| 418 |
else if ( oLang.sEmptyTable && oSettings.fnRecordsTotal() === 0 ) |
| 419 |
{ |
| 420 |
sZero = oLang.sEmptyTable; |
| 421 |
} |
| 422 |
|
| 423 |
var nTd = document.createElement( 'td' ); |
| 424 |
nTd.setAttribute( 'valign', "top" ); |
| 425 |
nTd.colSpan = _fnVisbleColumns( oSettings ); |
| 426 |
nTd.className = oSettings.oClasses.sRowEmpty; |
| 427 |
nTd.innerHTML = _fnInfoMacros( oSettings, sZero ); |
| 428 |
|
| 429 |
anRows[ iRowCount ].appendChild( nTd ); |
| 430 |
} |
| 431 |
|
| 432 |
/* Header and footer callbacks */ |
| 433 |
_fnCallbackFire( oSettings, 'aoHeaderCallback', 'header', [ $(oSettings.nTHead).children('tr')[0], |
| 434 |
_fnGetDataMaster( oSettings ), oSettings._iDisplayStart, oSettings.fnDisplayEnd(), oSettings.aiDisplay ] ); |
| 435 |
|
| 436 |
_fnCallbackFire( oSettings, 'aoFooterCallback', 'footer', [ $(oSettings.nTFoot).children('tr')[0], |
| 437 |
_fnGetDataMaster( oSettings ), oSettings._iDisplayStart, oSettings.fnDisplayEnd(), oSettings.aiDisplay ] ); |
| 438 |
|
| 439 |
/* |
| 440 |
* Need to remove any old row from the display - note we can't just empty the tbody using |
| 441 |
* $().html('') since this will unbind the jQuery event handlers (even although the node |
| 442 |
* still exists!) - equally we can't use innerHTML, since IE throws an exception. |
| 443 |
*/ |
| 444 |
var |
| 445 |
nAddFrag = document.createDocumentFragment(), |
| 446 |
nRemoveFrag = document.createDocumentFragment(), |
| 447 |
nBodyPar, nTrs; |
| 448 |
|
| 449 |
if ( oSettings.nTBody ) |
| 450 |
{ |
| 451 |
nBodyPar = oSettings.nTBody.parentNode; |
| 452 |
nRemoveFrag.appendChild( oSettings.nTBody ); |
| 453 |
|
| 454 |
/* When doing infinite scrolling, only remove child rows when sorting, filtering or start |
| 455 |
* up. When not infinite scroll, always do it. |
| 456 |
*/ |
| 457 |
if ( !oSettings.oScroll.bInfinite || !oSettings._bInitComplete || |
| 458 |
oSettings.bSorted || oSettings.bFiltered ) |
| 459 |
{ |
| 460 |
while( (n = oSettings.nTBody.firstChild) ) |
| 461 |
{ |
| 462 |
oSettings.nTBody.removeChild( n ); |
| 463 |
} |
| 464 |
} |
| 465 |
|
| 466 |
/* Put the draw table into the dom */ |
| 467 |
for ( i=0, iLen=anRows.length ; i<iLen ; i++ ) |
| 468 |
{ |
| 469 |
nAddFrag.appendChild( anRows[i] ); |
| 470 |
} |
| 471 |
|
| 472 |
oSettings.nTBody.appendChild( nAddFrag ); |
| 473 |
if ( nBodyPar !== null ) |
| 474 |
{ |
| 475 |
nBodyPar.appendChild( oSettings.nTBody ); |
| 476 |
} |
| 477 |
} |
| 478 |
|
| 479 |
/* Call all required callback functions for the end of a draw */ |
| 480 |
_fnCallbackFire( oSettings, 'aoDrawCallback', 'draw', [oSettings] ); |
| 481 |
|
| 482 |
/* Draw is complete, sorting and filtering must be as well */ |
| 483 |
oSettings.bSorted = false; |
| 484 |
oSettings.bFiltered = false; |
| 485 |
oSettings.bDrawing = false; |
| 486 |
|
| 487 |
if ( oSettings.oFeatures.bServerSide ) |
| 488 |
{ |
| 489 |
_fnProcessingDisplay( oSettings, false ); |
| 490 |
if ( !oSettings._bInitComplete ) |
| 491 |
{ |
| 492 |
_fnInitComplete( oSettings ); |
| 493 |
} |
| 494 |
} |
| 495 |
} |
| 496 |
|
| 497 |
|
| 498 |
/** |
| 499 |
* Redraw the table - taking account of the various features which are enabled |
| 500 |
* @param {object} oSettings dataTables settings object |
| 501 |
* @memberof DataTable#oApi |
| 502 |
*/ |
| 503 |
function _fnReDraw( oSettings ) |
| 504 |
{ |
| 505 |
if ( oSettings.oFeatures.bSort ) |
| 506 |
{ |
| 507 |
/* Sorting will refilter and draw for us */ |
| 508 |
_fnSort( oSettings, oSettings.oPreviousSearch ); |
| 509 |
} |
| 510 |
else if ( oSettings.oFeatures.bFilter ) |
| 511 |
{ |
| 512 |
/* Filtering will redraw for us */ |
| 513 |
_fnFilterComplete( oSettings, oSettings.oPreviousSearch ); |
| 514 |
} |
| 515 |
else |
| 516 |
{ |
| 517 |
_fnCalculateEnd( oSettings ); |
| 518 |
_fnDraw( oSettings ); |
| 519 |
} |
| 520 |
} |
| 521 |
|
| 522 |
|
| 523 |
/** |
| 524 |
* Add the options to the page HTML for the table |
| 525 |
* @param {object} oSettings dataTables settings object |
| 526 |
* @memberof DataTable#oApi |
| 527 |
*/ |
| 528 |
function _fnAddOptionsHtml ( oSettings ) |
| 529 |
{ |
| 530 |
/* |
| 531 |
* Create a temporary, empty, div which we can later on replace with what we have generated |
| 532 |
* we do it this way to rendering the 'options' html offline - speed :-) |
| 533 |
*/ |
| 534 |
var nHolding = $('<div></div>')[0]; |
| 535 |
oSettings.nTable.parentNode.insertBefore( nHolding, oSettings.nTable ); |
| 536 |
|
| 537 |
/* |
| 538 |
* All DataTables are wrapped in a div |
| 539 |
*/ |
| 540 |
oSettings.nTableWrapper = $('<div id="'+oSettings.sTableId+'_wrapper" class="'+oSettings.oClasses.sWrapper+'" role="grid"></div>')[0]; |
| 541 |
oSettings.nTableReinsertBefore = oSettings.nTable.nextSibling; |
| 542 |
|
| 543 |
/* Track where we want to insert the option */ |
| 544 |
var nInsertNode = oSettings.nTableWrapper; |
| 545 |
|
| 546 |
/* Loop over the user set positioning and place the elements as needed */ |
| 547 |
var aDom = oSettings.sDom.split(''); |
| 548 |
var nTmp, iPushFeature, cOption, nNewNode, cNext, sAttr, j; |
| 549 |
for ( var i=0 ; i<aDom.length ; i++ ) |
| 550 |
{ |
| 551 |
iPushFeature = 0; |
| 552 |
cOption = aDom[i]; |
| 553 |
|
| 554 |
if ( cOption == '<' ) |
| 555 |
{ |
| 556 |
/* New container div */ |
| 557 |
nNewNode = $('<div></div>')[0]; |
| 558 |
|
| 559 |
/* Check to see if we should append an id and/or a class name to the container */ |
| 560 |
cNext = aDom[i+1]; |
| 561 |
if ( cNext == "'" || cNext == '"' ) |
| 562 |
{ |
| 563 |
sAttr = ""; |
| 564 |
j = 2; |
| 565 |
while ( aDom[i+j] != cNext ) |
| 566 |
{ |
| 567 |
sAttr += aDom[i+j]; |
| 568 |
j++; |
| 569 |
} |
| 570 |
|
| 571 |
/* Replace jQuery UI constants */ |
| 572 |
if ( sAttr == "H" ) |
| 573 |
{ |
| 574 |
sAttr = oSettings.oClasses.sJUIHeader; |
| 575 |
} |
| 576 |
else if ( sAttr == "F" ) |
| 577 |
{ |
| 578 |
sAttr = oSettings.oClasses.sJUIFooter; |
| 579 |
} |
| 580 |
|
| 581 |
/* The attribute can be in the format of "#id.class", "#id" or "class" This logic |
| 582 |
* breaks the string into parts and applies them as needed |
| 583 |
*/ |
| 584 |
if ( sAttr.indexOf('.') != -1 ) |
| 585 |
{ |
| 586 |
var aSplit = sAttr.split('.'); |
| 587 |
nNewNode.id = aSplit[0].substr(1, aSplit[0].length-1); |
| 588 |
nNewNode.className = aSplit[1]; |
| 589 |
} |
| 590 |
else if ( sAttr.charAt(0) == "#" ) |
| 591 |
{ |
| 592 |
nNewNode.id = sAttr.substr(1, sAttr.length-1); |
| 593 |
} |
| 594 |
else |
| 595 |
{ |
| 596 |
nNewNode.className = sAttr; |
| 597 |
} |
| 598 |
|
| 599 |
i += j; /* Move along the position array */ |
| 600 |
} |
| 601 |
|
| 602 |
nInsertNode.appendChild( nNewNode ); |
| 603 |
nInsertNode = nNewNode; |
| 604 |
} |
| 605 |
else if ( cOption == '>' ) |
| 606 |
{ |
| 607 |
/* End container div */ |
| 608 |
nInsertNode = nInsertNode.parentNode; |
| 609 |
} |
| 610 |
else if ( cOption == 'l' && oSettings.oFeatures.bPaginate && oSettings.oFeatures.bLengthChange ) |
| 611 |
{ |
| 612 |
/* Length */ |
| 613 |
nTmp = _fnFeatureHtmlLength( oSettings ); |
| 614 |
iPushFeature = 1; |
| 615 |
} |
| 616 |
else if ( cOption == 'f' && oSettings.oFeatures.bFilter ) |
| 617 |
{ |
| 618 |
/* Filter */ |
| 619 |
nTmp = _fnFeatureHtmlFilter( oSettings ); |
| 620 |
iPushFeature = 1; |
| 621 |
} |
| 622 |
else if ( cOption == 'r' && oSettings.oFeatures.bProcessing ) |
| 623 |
{ |
| 624 |
/* pRocessing */ |
| 625 |
nTmp = _fnFeatureHtmlProcessing( oSettings ); |
| 626 |
iPushFeature = 1; |
| 627 |
} |
| 628 |
else if ( cOption == 't' ) |
| 629 |
{ |
| 630 |
/* Table */ |
| 631 |
nTmp = _fnFeatureHtmlTable( oSettings ); |
| 632 |
iPushFeature = 1; |
| 633 |
} |
| 634 |
else if ( cOption == 'i' && oSettings.oFeatures.bInfo ) |
| 635 |
{ |
| 636 |
/* Info */ |
| 637 |
nTmp = _fnFeatureHtmlInfo( oSettings ); |
| 638 |
iPushFeature = 1; |
| 639 |
} |
| 640 |
else if ( cOption == 'p' && oSettings.oFeatures.bPaginate ) |
| 641 |
{ |
| 642 |
/* Pagination */ |
| 643 |
nTmp = _fnFeatureHtmlPaginate( oSettings ); |
| 644 |
iPushFeature = 1; |
| 645 |
} |
| 646 |
else if ( DataTable.ext.aoFeatures.length !== 0 ) |
| 647 |
{ |
| 648 |
/* Plug-in features */ |
| 649 |
var aoFeatures = DataTable.ext.aoFeatures; |
| 650 |
for ( var k=0, kLen=aoFeatures.length ; k<kLen ; k++ ) |
| 651 |
{ |
| 652 |
if ( cOption == aoFeatures[k].cFeature ) |
| 653 |
{ |
| 654 |
nTmp = aoFeatures[k].fnInit( oSettings ); |
| 655 |
if ( nTmp ) |
| 656 |
{ |
| 657 |
iPushFeature = 1; |
| 658 |
} |
| 659 |
break; |
| 660 |
} |
| 661 |
} |
| 662 |
} |
| 663 |
|
| 664 |
/* Add to the 2D features array */ |
| 665 |
if ( iPushFeature == 1 && nTmp !== null ) |
| 666 |
{ |
| 667 |
if ( typeof oSettings.aanFeatures[cOption] !== 'object' ) |
| 668 |
{ |
| 669 |
oSettings.aanFeatures[cOption] = []; |
| 670 |
} |
| 671 |
oSettings.aanFeatures[cOption].push( nTmp ); |
| 672 |
nInsertNode.appendChild( nTmp ); |
| 673 |
} |
| 674 |
} |
| 675 |
|
| 676 |
/* Built our DOM structure - replace the holding div with what we want */ |
| 677 |
nHolding.parentNode.replaceChild( oSettings.nTableWrapper, nHolding ); |
| 678 |
} |
| 679 |
|
| 680 |
|
| 681 |
/** |
| 682 |
* Use the DOM source to create up an array of header cells. The idea here is to |
| 683 |
* create a layout grid (array) of rows x columns, which contains a reference |
| 684 |
* to the cell that that point in the grid (regardless of col/rowspan), such that |
| 685 |
* any column / row could be removed and the new grid constructed |
| 686 |
* @param array {object} aLayout Array to store the calculated layout in |
| 687 |
* @param {node} nThead The header/footer element for the table |
| 688 |
* @memberof DataTable#oApi |
| 689 |
*/ |
| 690 |
function _fnDetectHeader ( aLayout, nThead ) |
| 691 |
{ |
| 692 |
var nTrs = $(nThead).children('tr'); |
| 693 |
var nTr, nCell; |
| 694 |
var i, k, l, iLen, jLen, iColShifted, iColumn, iColspan, iRowspan; |
| 695 |
var bUnique; |
| 696 |
var fnShiftCol = function ( a, i, j ) { |
| 697 |
var k = a[i]; |
| 698 |
while ( k[j] ) { |
| 699 |
j++; |
| 700 |
} |
| 701 |
return j; |
| 702 |
}; |
| 703 |
|
| 704 |
aLayout.splice( 0, aLayout.length ); |
| 705 |
|
| 706 |
/* We know how many rows there are in the layout - so prep it */ |
| 707 |
for ( i=0, iLen=nTrs.length ; i<iLen ; i++ ) |
| 708 |
{ |
| 709 |
aLayout.push( [] ); |
| 710 |
} |
| 711 |
|
| 712 |
/* Calculate a layout array */ |
| 713 |
for ( i=0, iLen=nTrs.length ; i<iLen ; i++ ) |
| 714 |
{ |
| 715 |
nTr = nTrs[i]; |
| 716 |
iColumn = 0; |
| 717 |
|
| 718 |
/* For every cell in the row... */ |
| 719 |
nCell = nTr.firstChild; |
| 720 |
while ( nCell ) { |
| 721 |
if ( nCell.nodeName.toUpperCase() == "TD" || |
| 722 |
nCell.nodeName.toUpperCase() == "TH" ) |
| 723 |
{ |
| 724 |
/* Get the col and rowspan attributes from the DOM and sanitise them */ |
| 725 |
iColspan = nCell.getAttribute('colspan') * 1; |
| 726 |
iRowspan = nCell.getAttribute('rowspan') * 1; |
| 727 |
iColspan = (!iColspan || iColspan===0 || iColspan===1) ? 1 : iColspan; |
| 728 |
iRowspan = (!iRowspan || iRowspan===0 || iRowspan===1) ? 1 : iRowspan; |
| 729 |
|
| 730 |
/* There might be colspan cells already in this row, so shift our target |
| 731 |
* accordingly |
| 732 |
*/ |
| 733 |
iColShifted = fnShiftCol( aLayout, i, iColumn ); |
| 734 |
|
| 735 |
/* Cache calculation for unique columns */ |
| 736 |
bUnique = iColspan === 1 ? true : false; |
| 737 |
|
| 738 |
/* If there is col / rowspan, copy the information into the layout grid */ |
| 739 |
for ( l=0 ; l<iColspan ; l++ ) |
| 740 |
{ |
| 741 |
for ( k=0 ; k<iRowspan ; k++ ) |
| 742 |
{ |
| 743 |
aLayout[i+k][iColShifted+l] = { |
| 744 |
"cell": nCell, |
| 745 |
"unique": bUnique |
| 746 |
}; |
| 747 |
aLayout[i+k].nTr = nTr; |
| 748 |
} |
| 749 |
} |
| 750 |
} |
| 751 |
nCell = nCell.nextSibling; |
| 752 |
} |
| 753 |
} |
| 754 |
} |
| 755 |
|
| 756 |
|
| 757 |
/** |
| 758 |
* Get an array of unique th elements, one for each column |
| 759 |
* @param {object} oSettings dataTables settings object |
| 760 |
* @param {node} nHeader automatically detect the layout from this node - optional |
| 761 |
* @param {array} aLayout thead/tfoot layout from _fnDetectHeader - optional |
| 762 |
* @returns array {node} aReturn list of unique th's |
| 763 |
* @memberof DataTable#oApi |
| 764 |
*/ |
| 765 |
function _fnGetUniqueThs ( oSettings, nHeader, aLayout ) |
| 766 |
{ |
| 767 |
var aReturn = []; |
| 768 |
if ( !aLayout ) |
| 769 |
{ |
| 770 |
aLayout = oSettings.aoHeader; |
| 771 |
if ( nHeader ) |
| 772 |
{ |
| 773 |
aLayout = []; |
| 774 |
_fnDetectHeader( aLayout, nHeader ); |
| 775 |
} |
| 776 |
} |
| 777 |
|
| 778 |
for ( var i=0, iLen=aLayout.length ; i<iLen ; i++ ) |
| 779 |
{ |
| 780 |
for ( var j=0, jLen=aLayout[i].length ; j<jLen ; j++ ) |
| 781 |
{ |
| 782 |
if ( aLayout[i][j].unique && |
| 783 |
(!aReturn[j] || !oSettings.bSortCellsTop) ) |
| 784 |
{ |
| 785 |
aReturn[j] = aLayout[i][j].cell; |
| 786 |
} |
| 787 |
} |
| 788 |
} |
| 789 |
|
| 790 |
return aReturn; |
| 791 |
} |
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