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Fix proposal for: DataTables with column widths defined in % loose the % and don't resize correctly #33 #34

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Fix proposal for: DataTables with column widths defined in % loose the % and don't resize correctly #33 #34

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281e375
Create README.md
xmojmr May 18, 2014
2f828eb
Attemt for Fix: column widths defined in % get lost after resize
xmojmr May 18, 2014
2b37277
Update dataTables.fixedHeader.js
xmojmr May 18, 2014
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Attemt for Fix: column widths defined in % get lost after resize
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@xmojmr
xmojmr committed May 18, 2014
commit 2f828ebe0dbd7af3882ec37542c05750820330a9
78 changes: 56 additions & 22 deletions js/dataTables.fixedHeader.js
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Original file line number Diff line number Diff line change
Expand Up @@ -686,6 +686,24 @@ FixedHeader.prototype = {
* Cloning functions
*/

_getWidth: function(source)
{
// return $(source).width();
if (!(source instanceof jQuery))
source = $(source);

return source.css("width");
},

_setWidth: function(target, value)
{
// $(target).width(value);
if (!(target instanceof jQuery))
target = $(target);

target.css("width", value);
},

/*
* Function: _fnCloneThead
* Purpose: Clone the thead element
Expand All @@ -694,6 +712,8 @@ FixedHeader.prototype = {
*/
_fnCloneThead: function ( oCache )
{
var that = this;

var s = this.fnGetSettings();
var nTable = oCache.nNode;

Expand All @@ -703,49 +723,61 @@ FixedHeader.prototype = {
return;
}

/* Set the wrapper width to match that of the cloned table */
var iDtWidth = $(s.nTable).outerWidth();
oCache.nWrapper.style.width = iDtWidth+"px";
nTable.style.width = iDtWidth+"px";

/* Remove any children the cloned table has */
while ( nTable.childNodes.length > 0 )
var visible = $(s.nTable).css("display") != "none";
if (visible)
{
$('thead th', nTable).unbind( 'click' );
nTable.removeChild( nTable.childNodes[0] );
// http://stackoverflow.com/a/19873734/2626313
$(s.nTable).hide();
}

/* Clone the DataTables header */
var nThead = $('thead', s.nTable).clone(true)[0];
nTable.appendChild( nThead );

/* Copy the widths across - apparently a clone isn't good enough for this */
var a = [];
var b = [];

$("thead>tr th", s.nTable).each( function (i) {
a.push( $(this).width() );
a.push( that._getWidth(this) );
} );

$("thead>tr td", s.nTable).each( function (i) {
b.push( $(this).width() );
b.push( that._getWidth(this) );
} );

/* Set the wrapper width to match that of the cloned table */
var iDtWidth = that._getWidth(s.nTable);
that._setWidth(oCache.nWrapper, iDtWidth);;
that._setWidth(nTable, iDtWidth);

/* Remove any children the cloned table has */
while ( nTable.childNodes.length > 0 )
{
$('thead th', nTable).unbind( 'click' );
nTable.removeChild( nTable.childNodes[0] );
}

/* Clone the DataTables header */
var nThead = $('thead', s.nTable).clone(true)[0];
nTable.appendChild( nThead );

$("thead>tr th", s.nTable).each( function (i) {
$("thead>tr th:eq("+i+")", nTable).width( a[i] );
$(this).width( a[i] );
that._setWidth( $("thead>tr th:eq("+i+")", nTable), a[i] );
that._setWidth( this, a[i] );
} );

$("thead>tr td", s.nTable).each( function (i) {
$("thead>tr td:eq("+i+")", nTable).width( b[i] );
$(this).width( b[i] );
that._setWidth( $("thead>tr td:eq("+i+")", nTable), b[i] );
that._setWidth( this, b[i] );
} );

// Stop DataTables 1.9 from putting a focus ring on the headers when
// clicked to sort
$('th.sorting, th.sorting_desc, th.sorting_asc', nTable).bind( 'click', function () {
this.blur();
} );

if (visible)
{
$(s.nTable).show();
}
},

/*
Expand All @@ -756,11 +788,13 @@ FixedHeader.prototype = {
*/
_fnCloneTfoot: function ( oCache )
{
var that = this;

var s = this.fnGetSettings();
var nTable = oCache.nNode;

/* Set the wrapper width to match that of the cloned table */
oCache.nWrapper.style.width = $(s.nTable).outerWidth()+"px";
that._setWidth(oCache.nWrapper, that._getWidth(s.nTable));

/* Remove any children the cloned table has */
while ( nTable.childNodes.length > 0 )
Expand All @@ -774,11 +808,11 @@ FixedHeader.prototype = {

/* Copy the widths across - apparently a clone isn't good enough for this */
$("tfoot:eq(0)>tr th", s.nTable).each( function (i) {
$("tfoot:eq(0)>tr th:eq("+i+")", nTable).width( $(this).width() );
that._setWidth( $("tfoot:eq(0)>tr th:eq("+i+")", nTable), that._getWidth( this) );
} );

$("tfoot:eq(0)>tr td", s.nTable).each( function (i) {
$("tfoot:eq(0)>tr td:eq("+i+")", nTable).width( $(this).width() );
that._setWidth( $("tfoot:eq(0)>tr td:eq("+i+")", nTable), that._getWidth( this ) );
} );
},

Expand Down