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Fixed Column Integration #85

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Fixed Column Integration #85

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dc3ce2d
Fixed Column Integration
fazlurr Oct 5, 2016
d90725a
FixedColumn Integration Sync Scroll
fazlurr Oct 6, 2016
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32 changes: 32 additions & 0 deletions css/fixedHeader.dataTables.scss
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Original file line number Diff line number Diff line change
Expand Up @@ -19,3 +19,35 @@ table.fixedHeader-locked {
display: none;
}
}

.fixedHeader-container {
position: fixed;
top: 50px;
z-index: 99;
overflow: hidden;
box-shadow: 0 3px 5px rgba(222, 222, 222, 0.65);
}
.fixedHeader-scroll {
position: relative;
width: 100%;
overflow: hidden;
}
.table-analyze-results.fixedHeader-floating {

}
.fixedHeader-container table.fixedHeader-floating {
position: relative !important;
top: 0 !important;
left: 0 !important;
}
.DTFH_Wrapper {
position: absolute;
top: 0;
z-index: 999;
}
.DTFH_LeftWrapper {
left: 0;
}
.DTFH_RightWrapper {
right: 0;
}
110 changes: 103 additions & 7 deletions js/dataTables.fixedHeader.js
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Original file line number Diff line number Diff line change
Expand Up @@ -102,7 +102,8 @@ var FixedHeader = function ( dt, config ) {
header: {
host: null,
floating: null,
placeholder: null
placeholder: null,
container: null,
},
footer: {
host: null,
Expand Down Expand Up @@ -265,6 +266,7 @@ $.extend( FixedHeader.prototype, {
var itemElement = item === 'header' ?
this.dom.thead :
this.dom.tfoot;
var fixedColumns = this.c.fixedColumns;

if ( ! force && itemDom.floating ) {
// existing floating element - reuse it
Expand All @@ -278,11 +280,84 @@ $.extend( FixedHeader.prototype, {
itemDom.floating.remove();
}

itemDom.floating = $( dt.table().node().cloneNode( false ) )
.css( 'table-layout', 'fixed' )
.removeAttr( 'id' )
.append( itemElement )
.appendTo( 'body' );
// Check if there is fixed columns options
if ( fixedColumns.isFixed ) {
itemDom.container = $('.fixedHeader-container');
if (itemDom.container.length <= 0) {
// Create
itemDom.container = $('<div></div>');
itemDom.container.addClass('fixedHeader-container');

} else {
itemDom.container.empty();
}

var itemScroll = $('<div></div>');
itemScroll
.addClass('fixedHeader-scroll')
.appendTo( itemDom.container );

itemDom.floating = $( dt.table().node().cloneNode( false ) )
.css( 'table-layout', 'fixed' )
.removeAttr( 'id' )
.append( itemElement )
.appendTo( itemScroll );

// Sync Scroll with scrollBody
var tableScrollBody = $(".dataTables_scrollBody");
tableScrollBody.scroll( function() {
itemScroll.scrollLeft( tableScrollBody.scrollLeft() );
});

var itemElementLeft = itemElement;
var itemElementRight = itemElement;

// Append left fixed column head
if ( fixedColumns.left > 0 ) {
var leftWrapper = $('<div></div>');
leftWrapper.addClass('DTFH_Wrapper DTFH_LeftWrapper');

var tableFloatingLeft = $( dt.table().node().cloneNode( false ) );
var floatingCloneLeft = tableFloatingLeft.clone( true )
.removeAttr('id')
.addClass('fixedHeader-floating dataTable-clone-left').css('width', 'auto');

itemElementLeft.clone( true ).appendTo( floatingCloneLeft );

floatingCloneLeft.find('th:gt('+ (fixedColumns.left - 1) +')').remove();
floatingCloneLeft.appendTo( leftWrapper );

leftWrapper.appendTo( itemDom.container );
}

// Append right fixed column head
if ( fixedColumns.right > 0 ) {
var rightWrapper = $('<div></div>');
rightWrapper.addClass('DTFH_Wrapper DTFH_RightWrapper');

var tableFloatingRight = $( dt.table().node().cloneNode( false ) );
var floatingCloneRight = tableFloatingRight.clone()
.removeAttr('id')
.addClass('fixedHeader-floating dataTable-clone-right').css('width', 'auto');

itemElementRight.clone( true ).appendTo( floatingCloneRight );

var elementToRemove = floatingCloneRight.find('th:lt(-'+ fixedColumns.right +')');
elementToRemove.remove();
floatingCloneRight.appendTo( rightWrapper );

rightWrapper.appendTo( itemDom.container );
}

itemDom.container.appendTo('body');

} else {
itemDom.floating = $( dt.table().node().cloneNode( false ) )
.css( 'table-layout', 'fixed' )
.removeAttr( 'id' )
.append( itemElement )
.appendTo( 'body' );
}

// Insert a fake thead/tfoot into the DataTable to stop it jumping around
itemDom.placeholder = itemElement.clone( false );
Expand Down Expand Up @@ -392,6 +467,11 @@ $.extend( FixedHeader.prototype, {
var dt = this.s.dt;
var itemDom = this.dom[ item ];
var position = this.s.position;
var table = dt.table();
var tableNode = $( dt.table().node() );
var tableParent = tableNode.parent();
var tableParentWidth = tableParent.width();
var tableParentLeft = tableParent.offset().left;

// Record focus. Browser's will cause input elements to loose focus if
// they are inserted else where in the doc
Expand Down Expand Up @@ -419,6 +499,10 @@ $.extend( FixedHeader.prototype, {
if ( itemDom.floating ) {
itemDom.floating.remove();
itemDom.floating = null;
if ( itemDom.container ) {
itemDom.container.remove();
itemDom.container = null;
}
}
}
else if ( mode === 'in' ) {
Expand All @@ -432,6 +516,13 @@ $.extend( FixedHeader.prototype, {
.css( 'left', position.left+'px' )
.css( 'width', position.width+'px' );

if ( itemDom.container ) {
itemDom.container
.css( item === 'header' ? 'top' : 'bottom', this.c[item+'Offset'] )
.css( 'left', tableParentLeft+'px' )
.css( 'width', tableParentWidth+'px' );
}

if ( item === 'footer' ) {
itemDom.floating.css( 'top', '' );
}
Expand Down Expand Up @@ -582,7 +673,12 @@ FixedHeader.defaults = {
header: true,
footer: false,
headerOffset: 0,
footerOffset: 0
footerOffset: 0,
fixedColumns: {
isFixed: false,
left: 0,
right: 0
}
};


Expand Down