| 1 |
/** |
| 2 |
* Add any control elements for the table - specifically scrolling |
| 3 |
* @param {object} oSettings dataTables settings object |
| 4 |
* @returns {node} Node to add to the DOM |
| 5 |
* @memberof DataTable#oApi |
| 6 |
*/ |
| 7 |
function _fnFeatureHtmlTable ( oSettings ) |
| 8 |
{ |
| 9 |
/* Check if scrolling is enabled or not - if not then leave the DOM unaltered */ |
| 10 |
if ( oSettings.oScroll.sX === "" && oSettings.oScroll.sY === "" ) |
| 11 |
{ |
| 12 |
return oSettings.nTable; |
| 13 |
} |
| 14 |
|
| 15 |
/* |
| 16 |
* The HTML structure that we want to generate in this function is: |
| 17 |
* div - nScroller |
| 18 |
* div - nScrollHead |
| 19 |
* div - nScrollHeadInner |
| 20 |
* table - nScrollHeadTable |
| 21 |
* thead - nThead |
| 22 |
* div - nScrollBody |
| 23 |
* table - oSettings.nTable |
| 24 |
* thead - nTheadSize |
| 25 |
* tbody - nTbody |
| 26 |
* div - nScrollFoot |
| 27 |
* div - nScrollFootInner |
| 28 |
* table - nScrollFootTable |
| 29 |
* tfoot - nTfoot |
| 30 |
*/ |
| 31 |
var |
| 32 |
nScroller = document.createElement('div'), |
| 33 |
nScrollHead = document.createElement('div'), |
| 34 |
nScrollHeadInner = document.createElement('div'), |
| 35 |
nScrollBody = document.createElement('div'), |
| 36 |
nScrollFoot = document.createElement('div'), |
| 37 |
nScrollFootInner = document.createElement('div'), |
| 38 |
nScrollHeadTable = oSettings.nTable.cloneNode(false), |
| 39 |
nScrollFootTable = oSettings.nTable.cloneNode(false), |
| 40 |
nThead = oSettings.nTable.getElementsByTagName('thead')[0], |
| 41 |
nTfoot = oSettings.nTable.getElementsByTagName('tfoot').length === 0 ? null : |
| 42 |
oSettings.nTable.getElementsByTagName('tfoot')[0], |
| 43 |
oClasses = oSettings.oClasses; |
| 44 |
|
| 45 |
nScrollHead.appendChild( nScrollHeadInner ); |
| 46 |
nScrollFoot.appendChild( nScrollFootInner ); |
| 47 |
nScrollBody.appendChild( oSettings.nTable ); |
| 48 |
nScroller.appendChild( nScrollHead ); |
| 49 |
nScroller.appendChild( nScrollBody ); |
| 50 |
nScrollHeadInner.appendChild( nScrollHeadTable ); |
| 51 |
nScrollHeadTable.appendChild( nThead ); |
| 52 |
if ( nTfoot !== null ) |
| 53 |
{ |
| 54 |
nScroller.appendChild( nScrollFoot ); |
| 55 |
nScrollFootInner.appendChild( nScrollFootTable ); |
| 56 |
nScrollFootTable.appendChild( nTfoot ); |
| 57 |
} |
| 58 |
|
| 59 |
nScroller.className = oClasses.sScrollWrapper; |
| 60 |
nScrollHead.className = oClasses.sScrollHead; |
| 61 |
nScrollHeadInner.className = oClasses.sScrollHeadInner; |
| 62 |
nScrollBody.className = oClasses.sScrollBody; |
| 63 |
nScrollFoot.className = oClasses.sScrollFoot; |
| 64 |
nScrollFootInner.className = oClasses.sScrollFootInner; |
| 65 |
|
| 66 |
if ( oSettings.oScroll.bAutoCss ) |
| 67 |
{ |
| 68 |
nScrollHead.style.overflow = "hidden"; |
| 69 |
nScrollHead.style.position = "relative"; |
| 70 |
nScrollFoot.style.overflow = "hidden"; |
| 71 |
nScrollBody.style.overflow = "auto"; |
| 72 |
} |
| 73 |
|
| 74 |
nScrollHead.style.border = "0"; |
| 75 |
nScrollHead.style.width = "100%"; |
| 76 |
nScrollFoot.style.border = "0"; |
| 77 |
nScrollHeadInner.style.width = oSettings.oScroll.sXInner !== "" ? |
| 78 |
oSettings.oScroll.sXInner : "100%"; /* will be overwritten */ |
| 79 |
|
| 80 |
/* Modify attributes to respect the clones */ |
| 81 |
nScrollHeadTable.removeAttribute('id'); |
| 82 |
nScrollHeadTable.style.marginLeft = "0"; |
| 83 |
oSettings.nTable.style.marginLeft = "0"; |
| 84 |
if ( nTfoot !== null ) |
| 85 |
{ |
| 86 |
nScrollFootTable.removeAttribute('id'); |
| 87 |
nScrollFootTable.style.marginLeft = "0"; |
| 88 |
} |
| 89 |
|
| 90 |
/* Move caption elements from the body to the header, footer or leave where it is |
| 91 |
* depending on the configuration. Note that the DTD says there can be only one caption */ |
| 92 |
var nCaption = $(oSettings.nTable).children('caption'); |
| 93 |
if ( nCaption.length > 0 ) |
| 94 |
{ |
| 95 |
nCaption = nCaption[0]; |
| 96 |
if ( nCaption._captionSide === "top" ) |
| 97 |
{ |
| 98 |
nScrollHeadTable.appendChild( nCaption ); |
| 99 |
} |
| 100 |
else if ( nCaption._captionSide === "bottom" && nTfoot ) |
| 101 |
{ |
| 102 |
nScrollFootTable.appendChild( nCaption ); |
| 103 |
} |
| 104 |
} |
| 105 |
|
| 106 |
/* |
| 107 |
* Sizing |
| 108 |
*/ |
| 109 |
/* When x-scrolling add the width and a scroller to move the header with the body */ |
| 110 |
if ( oSettings.oScroll.sX !== "" ) |
| 111 |
{ |
| 112 |
nScrollHead.style.width = _fnStringToCss( oSettings.oScroll.sX ); |
| 113 |
nScrollBody.style.width = _fnStringToCss( oSettings.oScroll.sX ); |
| 114 |
|
| 115 |
if ( nTfoot !== null ) |
| 116 |
{ |
| 117 |
nScrollFoot.style.width = _fnStringToCss( oSettings.oScroll.sX ); |
| 118 |
} |
| 119 |
|
| 120 |
/* When the body is scrolled, then we also want to scroll the headers */ |
| 121 |
$(nScrollBody).scroll( function (e) { |
| 122 |
nScrollHead.scrollLeft = this.scrollLeft; |
| 123 |
|
| 124 |
if ( nTfoot !== null ) |
| 125 |
{ |
| 126 |
nScrollFoot.scrollLeft = this.scrollLeft; |
| 127 |
} |
| 128 |
} ); |
| 129 |
} |
| 130 |
|
| 131 |
/* When yscrolling, add the height */ |
| 132 |
if ( oSettings.oScroll.sY !== "" ) |
| 133 |
{ |
| 134 |
nScrollBody.style.height = _fnStringToCss( oSettings.oScroll.sY ); |
| 135 |
} |
| 136 |
|
| 137 |
/* Redraw - align columns across the tables */ |
| 138 |
oSettings.aoDrawCallback.push( { |
| 139 |
"fn": _fnScrollDraw, |
| 140 |
"sName": "scrolling" |
| 141 |
} ); |
| 142 |
|
| 143 |
/* Infinite scrolling event handlers */ |
| 144 |
if ( oSettings.oScroll.bInfinite ) |
| 145 |
{ |
| 146 |
$(nScrollBody).scroll( function() { |
| 147 |
/* Use a blocker to stop scrolling from loading more data while other data is still loading */ |
| 148 |
if ( !oSettings.bDrawing && $(this).scrollTop() !== 0 ) |
| 149 |
{ |
| 150 |
/* Check if we should load the next data set */ |
| 151 |
if ( $(this).scrollTop() + $(this).height() > |
| 152 |
$(oSettings.nTable).height() - oSettings.oScroll.iLoadGap ) |
| 153 |
{ |
| 154 |
/* Only do the redraw if we have to - we might be at the end of the data */ |
| 155 |
if ( oSettings.fnDisplayEnd() < oSettings.fnRecordsDisplay() ) |
| 156 |
{ |
| 157 |
_fnPageChange( oSettings, 'next' ); |
| 158 |
_fnCalculateEnd( oSettings ); |
| 159 |
_fnDraw( oSettings ); |
| 160 |
} |
| 161 |
} |
| 162 |
} |
| 163 |
} ); |
| 164 |
} |
| 165 |
|
| 166 |
oSettings.nScrollHead = nScrollHead; |
| 167 |
oSettings.nScrollFoot = nScrollFoot; |
| 168 |
|
| 169 |
return nScroller; |
| 170 |
} |
| 171 |
|
| 172 |
|
| 173 |
/** |
| 174 |
* Update the various tables for resizing. It's a bit of a pig this function, but |
| 175 |
* basically the idea to: |
| 176 |
* 1. Re-create the table inside the scrolling div |
| 177 |
* 2. Take live measurements from the DOM |
| 178 |
* 3. Apply the measurements |
| 179 |
* 4. Clean up |
| 180 |
* @param {object} o dataTables settings object |
| 181 |
* @returns {node} Node to add to the DOM |
| 182 |
* @memberof DataTable#oApi |
| 183 |
*/ |
| 184 |
function _fnScrollDraw ( o ) |
| 185 |
{ |
| 186 |
var |
| 187 |
nScrollHeadInner = o.nScrollHead.getElementsByTagName('div')[0], |
| 188 |
nScrollHeadTable = nScrollHeadInner.getElementsByTagName('table')[0], |
| 189 |
nScrollBody = o.nTable.parentNode, |
| 190 |
i, iLen, j, jLen, anHeadToSize, anHeadSizers, anFootSizers, anFootToSize, oStyle, iVis, |
| 191 |
nTheadSize, nTfootSize, |
| 192 |
iWidth, aApplied=[], aAppliedFooter=[], iSanityWidth, |
| 193 |
nScrollFootInner = (o.nTFoot !== null) ? o.nScrollFoot.getElementsByTagName('div')[0] : null, |
| 194 |
nScrollFootTable = (o.nTFoot !== null) ? nScrollFootInner.getElementsByTagName('table')[0] : null, |
| 195 |
ie67 = o.oBrowser.bScrollOversize, |
| 196 |
zeroOut = function(nSizer) { |
| 197 |
oStyle = nSizer.style; |
| 198 |
oStyle.paddingTop = "0"; |
| 199 |
oStyle.paddingBottom = "0"; |
| 200 |
oStyle.borderTopWidth = "0"; |
| 201 |
oStyle.borderBottomWidth = "0"; |
| 202 |
oStyle.height = 0; |
| 203 |
}; |
| 204 |
|
| 205 |
/* |
| 206 |
* 1. Re-create the table inside the scrolling div |
| 207 |
*/ |
| 208 |
|
| 209 |
/* Remove the old minimised thead and tfoot elements in the inner table */ |
| 210 |
$(o.nTable).children('thead, tfoot').remove(); |
| 211 |
|
| 212 |
/* Clone the current header and footer elements and then place it into the inner table */ |
| 213 |
nTheadSize = $(o.nTHead).clone()[0]; |
| 214 |
o.nTable.insertBefore( nTheadSize, o.nTable.childNodes[0] ); |
| 215 |
anHeadToSize = o.nTHead.getElementsByTagName('tr'); |
| 216 |
anHeadSizers = nTheadSize.getElementsByTagName('tr'); |
| 217 |
|
| 218 |
if ( o.nTFoot !== null ) |
| 219 |
{ |
| 220 |
nTfootSize = $(o.nTFoot).clone()[0]; |
| 221 |
o.nTable.insertBefore( nTfootSize, o.nTable.childNodes[1] ); |
| 222 |
anFootToSize = o.nTFoot.getElementsByTagName('tr'); |
| 223 |
anFootSizers = nTfootSize.getElementsByTagName('tr'); |
| 224 |
} |
| 225 |
|
| 226 |
/* |
| 227 |
* 2. Take live measurements from the DOM - do not alter the DOM itself! |
| 228 |
*/ |
| 229 |
|
| 230 |
/* Remove old sizing and apply the calculated column widths |
| 231 |
* Get the unique column headers in the newly created (cloned) header. We want to apply the |
| 232 |
* calculated sizes to this header |
| 233 |
*/ |
| 234 |
if ( o.oScroll.sX === "" ) |
| 235 |
{ |
| 236 |
nScrollBody.style.width = '100%'; |
| 237 |
nScrollHeadInner.parentNode.style.width = '100%'; |
| 238 |
} |
| 239 |
|
| 240 |
var nThs = _fnGetUniqueThs( o, nTheadSize ); |
| 241 |
for ( i=0, iLen=nThs.length ; i<iLen ; i++ ) |
| 242 |
{ |
| 243 |
iVis = _fnVisibleToColumnIndex( o, i ); |
| 244 |
nThs[i].style.width = o.aoColumns[iVis].sWidth; |
| 245 |
} |
| 246 |
|
| 247 |
if ( o.nTFoot !== null ) |
| 248 |
{ |
| 249 |
_fnApplyToChildren( function(n) { |
| 250 |
n.style.width = ""; |
| 251 |
}, anFootSizers ); |
| 252 |
} |
| 253 |
|
| 254 |
// If scroll collapse is enabled, when we put the headers back into the body for sizing, we |
| 255 |
// will end up forcing the scrollbar to appear, making our measurements wrong for when we |
| 256 |
// then hide it (end of this function), so add the header height to the body scroller. |
| 257 |
if ( o.oScroll.bCollapse && o.oScroll.sY !== "" ) |
| 258 |
{ |
| 259 |
nScrollBody.style.height = (nScrollBody.offsetHeight + o.nTHead.offsetHeight)+"px"; |
| 260 |
} |
| 261 |
|
| 262 |
/* Size the table as a whole */ |
| 263 |
iSanityWidth = $(o.nTable).outerWidth(); |
| 264 |
if ( o.oScroll.sX === "" ) |
| 265 |
{ |
| 266 |
/* No x scrolling */ |
| 267 |
o.nTable.style.width = "100%"; |
| 268 |
|
| 269 |
/* I know this is rubbish - but IE7 will make the width of the table when 100% include |
| 270 |
* the scrollbar - which is shouldn't. When there is a scrollbar we need to take this |
| 271 |
* into account. |
| 272 |
*/ |
| 273 |
if ( ie67 && ($('tbody', nScrollBody).height() > nScrollBody.offsetHeight || |
| 274 |
$(nScrollBody).css('overflow-y') == "scroll") ) |
| 275 |
{ |
| 276 |
o.nTable.style.width = _fnStringToCss( $(o.nTable).outerWidth() - o.oScroll.iBarWidth); |
| 277 |
} |
| 278 |
} |
| 279 |
else |
| 280 |
{ |
| 281 |
if ( o.oScroll.sXInner !== "" ) |
| 282 |
{ |
| 283 |
/* x scroll inner has been given - use it */ |
| 284 |
o.nTable.style.width = _fnStringToCss(o.oScroll.sXInner); |
| 285 |
} |
| 286 |
else if ( iSanityWidth == $(nScrollBody).width() && |
| 287 |
$(nScrollBody).height() < $(o.nTable).height() ) |
| 288 |
{ |
| 289 |
/* There is y-scrolling - try to take account of the y scroll bar */ |
| 290 |
o.nTable.style.width = _fnStringToCss( iSanityWidth-o.oScroll.iBarWidth ); |
| 291 |
if ( $(o.nTable).outerWidth() > iSanityWidth-o.oScroll.iBarWidth ) |
| 292 |
{ |
| 293 |
/* Not possible to take account of it */ |
| 294 |
o.nTable.style.width = _fnStringToCss( iSanityWidth ); |
| 295 |
} |
| 296 |
} |
| 297 |
else |
| 298 |
{ |
| 299 |
/* All else fails */ |
| 300 |
o.nTable.style.width = _fnStringToCss( iSanityWidth ); |
| 301 |
} |
| 302 |
} |
| 303 |
|
| 304 |
/* Recalculate the sanity width - now that we've applied the required width, before it was |
| 305 |
* a temporary variable. This is required because the column width calculation is done |
| 306 |
* before this table DOM is created. |
| 307 |
*/ |
| 308 |
iSanityWidth = $(o.nTable).outerWidth(); |
| 309 |
|
| 310 |
/* We want the hidden header to have zero height, so remove padding and borders. Then |
| 311 |
* set the width based on the real headers |
| 312 |
*/ |
| 313 |
|
| 314 |
// Apply all styles in one pass. Invalidates layout only once because we don't read any |
| 315 |
// DOM properties. |
| 316 |
_fnApplyToChildren( zeroOut, anHeadSizers ); |
| 317 |
|
| 318 |
// Read all widths in next pass. Forces layout only once because we do not change |
| 319 |
// any DOM properties. |
| 320 |
_fnApplyToChildren( function(nSizer) { |
| 321 |
aApplied.push( _fnStringToCss( $(nSizer).width() ) ); |
| 322 |
}, anHeadSizers ); |
| 323 |
|
| 324 |
// Apply all widths in final pass. Invalidates layout only once because we do not |
| 325 |
// read any DOM properties. |
| 326 |
_fnApplyToChildren( function(nToSize, i) { |
| 327 |
nToSize.style.width = aApplied[i]; |
| 328 |
}, anHeadToSize ); |
| 329 |
|
| 330 |
$(anHeadSizers).height(0); |
| 331 |
|
| 332 |
/* Same again with the footer if we have one */ |
| 333 |
if ( o.nTFoot !== null ) |
| 334 |
{ |
| 335 |
_fnApplyToChildren( zeroOut, anFootSizers ); |
| 336 |
|
| 337 |
_fnApplyToChildren( function(nSizer) { |
| 338 |
aAppliedFooter.push( _fnStringToCss( $(nSizer).width() ) ); |
| 339 |
}, anFootSizers ); |
| 340 |
|
| 341 |
_fnApplyToChildren( function(nToSize, i) { |
| 342 |
nToSize.style.width = aAppliedFooter[i]; |
| 343 |
}, anFootToSize ); |
| 344 |
|
| 345 |
$(anFootSizers).height(0); |
| 346 |
} |
| 347 |
|
| 348 |
/* |
| 349 |
* 3. Apply the measurements |
| 350 |
*/ |
| 351 |
|
| 352 |
/* "Hide" the header and footer that we used for the sizing. We want to also fix their width |
| 353 |
* to what they currently are |
| 354 |
*/ |
| 355 |
_fnApplyToChildren( function(nSizer, i) { |
| 356 |
nSizer.innerHTML = ""; |
| 357 |
nSizer.style.width = aApplied[i]; |
| 358 |
}, anHeadSizers ); |
| 359 |
|
| 360 |
if ( o.nTFoot !== null ) |
| 361 |
{ |
| 362 |
_fnApplyToChildren( function(nSizer, i) { |
| 363 |
nSizer.innerHTML = ""; |
| 364 |
nSizer.style.width = aAppliedFooter[i]; |
| 365 |
}, anFootSizers ); |
| 366 |
} |
| 367 |
|
| 368 |
/* Sanity check that the table is of a sensible width. If not then we are going to get |
| 369 |
* misalignment - try to prevent this by not allowing the table to shrink below its min width |
| 370 |
*/ |
| 371 |
if ( $(o.nTable).outerWidth() < iSanityWidth ) |
| 372 |
{ |
| 373 |
/* The min width depends upon if we have a vertical scrollbar visible or not */ |
| 374 |
var iCorrection = ((nScrollBody.scrollHeight > nScrollBody.offsetHeight || |
| 375 |
$(nScrollBody).css('overflow-y') == "scroll")) ? |
| 376 |
iSanityWidth+o.oScroll.iBarWidth : iSanityWidth; |
| 377 |
|
| 378 |
/* IE6/7 are a law unto themselves... */ |
| 379 |
if ( ie67 && (nScrollBody.scrollHeight > |
| 380 |
nScrollBody.offsetHeight || $(nScrollBody).css('overflow-y') == "scroll") ) |
| 381 |
{ |
| 382 |
o.nTable.style.width = _fnStringToCss( iCorrection-o.oScroll.iBarWidth ); |
| 383 |
} |
| 384 |
|
| 385 |
/* Apply the calculated minimum width to the table wrappers */ |
| 386 |
nScrollBody.style.width = _fnStringToCss( iCorrection ); |
| 387 |
o.nScrollHead.style.width = _fnStringToCss( iCorrection ); |
| 388 |
|
| 389 |
if ( o.nTFoot !== null ) |
| 390 |
{ |
| 391 |
o.nScrollFoot.style.width = _fnStringToCss( iCorrection ); |
| 392 |
} |
| 393 |
|
| 394 |
/* And give the user a warning that we've stopped the table getting too small */ |
| 395 |
if ( o.oScroll.sX === "" ) |
| 396 |
{ |
| 397 |
_fnLog( o, 1, "The table cannot fit into the current element which will cause column"+ |
| 398 |
" misalignment. The table has been drawn at its minimum possible width." ); |
| 399 |
} |
| 400 |
else if ( o.oScroll.sXInner !== "" ) |
| 401 |
{ |
| 402 |
_fnLog( o, 1, "The table cannot fit into the current element which will cause column"+ |
| 403 |
" misalignment. Increase the sScrollXInner value or remove it to allow automatic"+ |
| 404 |
" calculation" ); |
| 405 |
} |
| 406 |
} |
| 407 |
else |
| 408 |
{ |
| 409 |
nScrollBody.style.width = _fnStringToCss( '100%' ); |
| 410 |
o.nScrollHead.style.width = _fnStringToCss( '100%' ); |
| 411 |
|
| 412 |
if ( o.nTFoot !== null ) |
| 413 |
{ |
| 414 |
o.nScrollFoot.style.width = _fnStringToCss( '100%' ); |
| 415 |
} |
| 416 |
} |
| 417 |
|
| 418 |
|
| 419 |
/* |
| 420 |
* 4. Clean up |
| 421 |
*/ |
| 422 |
if ( o.oScroll.sY === "" ) |
| 423 |
{ |
| 424 |
/* IE7< puts a vertical scrollbar in place (when it shouldn't be) due to subtracting |
| 425 |
* the scrollbar height from the visible display, rather than adding it on. We need to |
| 426 |
* set the height in order to sort this. Don't want to do it in any other browsers. |
| 427 |
*/ |
| 428 |
if ( ie67 ) |
| 429 |
{ |
| 430 |
nScrollBody.style.height = _fnStringToCss( o.nTable.offsetHeight+o.oScroll.iBarWidth ); |
| 431 |
} |
| 432 |
} |
| 433 |
|
| 434 |
if ( o.oScroll.sY !== "" && o.oScroll.bCollapse ) |
| 435 |
{ |
| 436 |
nScrollBody.style.height = _fnStringToCss( o.oScroll.sY ); |
| 437 |
|
| 438 |
var iExtra = (o.oScroll.sX !== "" && o.nTable.offsetWidth > nScrollBody.offsetWidth) ? |
| 439 |
o.oScroll.iBarWidth : 0; |
| 440 |
if ( o.nTable.offsetHeight < nScrollBody.offsetHeight ) |
| 441 |
{ |
| 442 |
nScrollBody.style.height = _fnStringToCss( o.nTable.offsetHeight+iExtra ); |
| 443 |
} |
| 444 |
} |
| 445 |
|
| 446 |
/* Finally set the width's of the header and footer tables */ |
| 447 |
var iOuterWidth = $(o.nTable).outerWidth(); |
| 448 |
nScrollHeadTable.style.width = _fnStringToCss( iOuterWidth ); |
| 449 |
nScrollHeadInner.style.width = _fnStringToCss( iOuterWidth ); |
| 450 |
|
| 451 |
// Figure out if there are scrollbar present - if so then we need a the header and footer to |
| 452 |
// provide a bit more space to allow "overflow" scrolling (i.e. past the scrollbar) |
| 453 |
var bScrolling = $(o.nTable).height() > nScrollBody.clientHeight || $(nScrollBody).css('overflow-y') == "scroll"; |
| 454 |
nScrollHeadInner.style.paddingRight = bScrolling ? o.oScroll.iBarWidth+"px" : "0px"; |
| 455 |
|
| 456 |
if ( o.nTFoot !== null ) |
| 457 |
{ |
| 458 |
nScrollFootTable.style.width = _fnStringToCss( iOuterWidth ); |
| 459 |
nScrollFootInner.style.width = _fnStringToCss( iOuterWidth ); |
| 460 |
nScrollFootInner.style.paddingRight = bScrolling ? o.oScroll.iBarWidth+"px" : "0px"; |
| 461 |
} |
| 462 |
|
| 463 |
/* Adjust the position of the header in case we loose the y-scrollbar */ |
| 464 |
$(nScrollBody).scroll(); |
| 465 |
|
| 466 |
/* If sorting or filtering has occurred, jump the scrolling back to the top */ |
| 467 |
if ( o.bSorted || o.bFiltered ) |
| 468 |
{ |
| 469 |
nScrollBody.scrollTop = 0; |
| 470 |
} |
| 471 |
} |
| 472 |
|
| 473 |
|
| 474 |
/** |
| 475 |
* Apply a given function to the display child nodes of an element array (typically |
| 476 |
* TD children of TR rows |
| 477 |
* @param {function} fn Method to apply to the objects |
| 478 |
* @param array {nodes} an1 List of elements to look through for display children |
| 479 |
* @param array {nodes} an2 Another list (identical structure to the first) - optional |
| 480 |
* @memberof DataTable#oApi |
| 481 |
*/ |
| 482 |
function _fnApplyToChildren( fn, an1, an2 ) |
| 483 |
{ |
| 484 |
var index=0, i=0, iLen=an1.length; |
| 485 |
var nNode1, nNode2; |
| 486 |
|
| 487 |
while ( i < iLen ) |
| 488 |
{ |
| 489 |
nNode1 = an1[i].firstChild; |
| 490 |
nNode2 = an2 ? an2[i].firstChild : null; |
| 491 |
while ( nNode1 ) |
| 492 |
{ |
| 493 |
if ( nNode1.nodeType === 1 ) |
| 494 |
{ |
| 495 |
if ( an2 ) |
| 496 |
{ |
| 497 |
fn( nNode1, nNode2, index ); |
| 498 |
} |
| 499 |
else |
| 500 |
{ |
| 501 |
fn( nNode1, index ); |
| 502 |
} |
| 503 |
index++; |
| 504 |
} |
| 505 |
nNode1 = nNode1.nextSibling; |
| 506 |
nNode2 = an2 ? nNode2.nextSibling : null; |
| 507 |
} |
| 508 |
i++; |
| 509 |
} |
| 510 |
} |
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