' )
.css({ top : marginTop })
.insertBefore( $table );
// add container
for ( column = 0; column < c.columns; column++ ) {
$header = c.$headerIndexed[ column ];
tmp = ts.getColumnData( c.table, c.headers, column );
noResize = ts.getData( $header, tmp, 'resizable' ) === 'false';
if ( !noResize ) {
$( '
' )
.appendTo( wo.$resizable_container )
.attr({
'data-column' : column,
'unselectable' : 'on'
})
.data( 'header', $header )
.bind( 'selectstart', false );
}
}
ts.resizable.bindings( c, wo );
},
updateStoredSizes : function( c, wo ) {
var column, $header,
len = c.columns,
vars = wo.resizable_vars;
vars.storedSizes = [];
for ( column = 0; column < len; column++ ) {
$header = c.$headerIndexed[ column ];
vars.storedSizes[ column ] = $header.is(':visible') ? $header.width() : 0;
}
},
setWidth : function( $el, width, overflow ) {
// overflow tables need min & max width set as well
$el.css({
'width' : width,
'min-width' : overflow ? width : '',
'max-width' : overflow ? width : ''
});
},
setWidths : function( c, wo, storedSizes ) {
var column, $temp,
vars = wo.resizable_vars,
$extra = $( c.namespace + '_extra_headers' ),
$col = c.$table.children( 'colgroup' ).children( 'col' );
storedSizes = storedSizes || vars.storedSizes || [];
// process only if table ID or url match
if ( storedSizes.length ) {
for ( column = 0; column < c.columns; column++ ) {
// set saved resizable widths
ts.resizable.setWidth( c.$headerIndexed[ column ], storedSizes[ column ], vars.overflow );
if ( $extra.length ) {
// stickyHeaders needs to modify min & max width as well
$temp = $extra.eq( column ).add( $col.eq( column ) );
ts.resizable.setWidth( $temp, storedSizes[ column ], vars.overflow );
}
}
$temp = $( c.namespace + '_extra_table' );
if ( $temp.length && !ts.hasWidget( c.table, 'scroller' ) ) {
ts.resizable.setWidth( $temp, c.$table.outerWidth(), vars.overflow );
}
}
},
setHandlePosition : function( c, wo ) {
var startPosition,
tableHeight = c.$table.height(),
$handles = wo.$resizable_container.children(),
handleCenter = Math.floor( $handles.width() / 2 );
if ( ts.hasWidget( c.table, 'scroller' ) ) {
tableHeight = 0;
c.$table.closest( '.' + ts.css.scrollerWrap ).children().each(function() {
var $this = $(this);
// center table has a max-height set
tableHeight += $this.filter('[style*="height"]').length ? $this.height() : $this.children('table').height();
});
}
if ( !wo.resizable_includeFooter && c.$table.children('tfoot').length ) {
tableHeight -= c.$table.children('tfoot').height();
}
// subtract out table left position from resizable handles. Fixes #864
// jQuery v3.3.0+ appears to include the start position with the $header.position().left; see #1544
startPosition = parseFloat($.fn.jquery) >= 3.3 ? 0 : c.$table.position().left;
$handles.each( function() {
var $this = $(this),
column = parseInt( $this.attr( 'data-column' ), 10 ),
columns = c.columns - 1,
$header = $this.data( 'header' );
if ( !$header ) { return; } // see #859
if (
!$header.is(':visible') ||
( !wo.resizable_addLastColumn && ts.resizable.checkVisibleColumns(c, column) )
) {
$this.hide();
} else if ( column < columns || column === columns && wo.resizable_addLastColumn ) {
$this.css({
display: 'inline-block',
height : tableHeight,
left : $header.position().left - startPosition + $header.outerWidth() - handleCenter
});
}
});
},
// Fixes #1485
checkVisibleColumns: function( c, column ) {
var i,
len = 0;
for ( i = column + 1; i < c.columns; i++ ) {
len += c.$headerIndexed[i].is( ':visible' ) ? 1 : 0;
}
return len === 0;
},
// prevent text selection while dragging resize bar
toggleTextSelection : function( c, wo, toggle ) {
var namespace = c.namespace + 'tsresize';
wo.resizable_vars.disabled = toggle;
$( 'body' ).toggleClass( ts.css.resizableNoSelect, toggle );
if ( toggle ) {
$( 'body' )
.attr( 'unselectable', 'on' )
.bind( 'selectstart' + namespace, false );
} else {
$( 'body' )
.removeAttr( 'unselectable' )
.unbind( 'selectstart' + namespace );
}
},
bindings : function( c, wo ) {
var namespace = c.namespace + 'tsresize';
wo.$resizable_container.children().bind( 'mousedown', function( event ) {
// save header cell and mouse position
var column,
vars = wo.resizable_vars,
$extras = $( c.namespace + '_extra_headers' ),
$header = $( event.target ).data( 'header' );
column = parseInt( $header.attr( 'data-column' ), 10 );
vars.$target = $header = $header.add( $extras.filter('[data-column="' + column + '"]') );
vars.target = column;
// if table is not as wide as it's parent, then resize the table
vars.$next = event.shiftKey || wo.resizable_targetLast ?
$header.parent().children().not( '.resizable-false' ).filter( ':last' ) :
$header.nextAll( ':not(.resizable-false)' ).eq( 0 );
column = parseInt( vars.$next.attr( 'data-column' ), 10 );
vars.$next = vars.$next.add( $extras.filter('[data-column="' + column + '"]') );
vars.next = column;
vars.mouseXPosition = event.pageX;
ts.resizable.updateStoredSizes( c, wo );
ts.resizable.toggleTextSelection(c, wo, true );
});
$( document )
.bind( 'mousemove' + namespace, function( event ) {
var vars = wo.resizable_vars;
// ignore mousemove if no mousedown
if ( !vars.disabled || vars.mouseXPosition === 0 || !vars.$target ) { return; }
if ( wo.resizable_throttle ) {
clearTimeout( vars.timer );
vars.timer = setTimeout( function() {
ts.resizable.mouseMove( c, wo, event );
}, isNaN( wo.resizable_throttle ) ? 5 : wo.resizable_throttle );
} else {
ts.resizable.mouseMove( c, wo, event );
}
})
.bind( 'mouseup' + namespace, function() {
if (!wo.resizable_vars.disabled) { return; }
ts.resizable.toggleTextSelection( c, wo, false );
ts.resizable.stopResize( c, wo );
ts.resizable.setHandlePosition( c, wo );
});
// resizeEnd event triggered by scroller widget
$( window ).bind( 'resize' + namespace + ' resizeEnd' + namespace, function() {
ts.resizable.setHandlePosition( c, wo );
});
// right click to reset columns to default widths
c.$table
.bind( 'columnUpdate pagerComplete resizableUpdate '.split( ' ' ).join( namespace + ' ' ), function() {
ts.resizable.setHandlePosition( c, wo );
})
.bind( 'resizableReset' + namespace, function() {
ts.resizableReset( c.table );
})
.find( 'thead:first' )
.add( $( c.namespace + '_extra_table' ).find( 'thead:first' ) )
.bind( 'contextmenu' + namespace, function() {
// $.isEmptyObject() needs jQuery 1.4+; allow right click if already reset
var allowClick = wo.resizable_vars.storedSizes.length === 0;
ts.resizableReset( c.table );
ts.resizable.setHandlePosition( c, wo );
wo.resizable_vars.storedSizes = [];
return allowClick;
});
},
mouseMove : function( c, wo, event ) {
if ( wo.resizable_vars.mouseXPosition === 0 || !wo.resizable_vars.$target ) { return; }
// resize columns
var column,
total = 0,
vars = wo.resizable_vars,
$next = vars.$next,
tar = vars.storedSizes[ vars.target ],
leftEdge = event.pageX - vars.mouseXPosition;
if ( vars.overflow ) {
if ( tar + leftEdge > 0 ) {
vars.storedSizes[ vars.target ] += leftEdge;
ts.resizable.setWidth( vars.$target, vars.storedSizes[ vars.target ], true );
// update the entire table width
for ( column = 0; column < c.columns; column++ ) {
total += vars.storedSizes[ column ];
}
ts.resizable.setWidth( c.$table.add( $( c.namespace + '_extra_table' ) ), total );
}
if ( !$next.length ) {
// if expanding right-most column, scroll the wrapper
vars.$wrap[0].scrollLeft = c.$table.width();
}
} else if ( vars.fullWidth ) {
vars.storedSizes[ vars.target ] += leftEdge;
vars.storedSizes[ vars.next ] -= leftEdge;
ts.resizable.setWidths( c, wo );
} else {
vars.storedSizes[ vars.target ] += leftEdge;
ts.resizable.setWidths( c, wo );
}
vars.mouseXPosition = event.pageX;
// dynamically update sticky header widths
c.$table.triggerHandler('stickyHeadersUpdate');
},
stopResize : function( c, wo ) {
var vars = wo.resizable_vars;
ts.resizable.updateStoredSizes( c, wo );
if ( vars.useStorage ) {
// save all column widths
ts.storage( c.table, ts.css.resizableStorage, vars.storedSizes );
ts.storage( c.table, 'tablesorter-table-resized-width', c.$table.width() );
}
vars.mouseXPosition = 0;
vars.$target = vars.$next = null;
// will update stickyHeaders, just in case, see #912
c.$table.triggerHandler('stickyHeadersUpdate');
c.$table.triggerHandler('resizableComplete');
}
};
// this widget saves the column widths if
// $.tablesorter.storage function is included
// **************************
ts.addWidget({
id: 'resizable',
priority: 40,
options: {
resizable : true, // save column widths to storage
resizable_addLastColumn : false,
resizable_includeFooter: true,
resizable_widths : [],
resizable_throttle : false, // set to true (5ms) or any number 0-10 range
resizable_targetLast : false
},
init: function(table, thisWidget, c, wo) {
ts.resizable.init( c, wo );
},
format: function( table, c, wo ) {
ts.resizable.setHandlePosition( c, wo );
},
remove: function( table, c, wo, refreshing ) {
if (wo.$resizable_container) {
var namespace = c.namespace + 'tsresize';
c.$table.add( $( c.namespace + '_extra_table' ) )
.removeClass('hasResizable')
.children( 'thead' )
.unbind( 'contextmenu' + namespace );
wo.$resizable_container.remove();
ts.resizable.toggleTextSelection( c, wo, false );
ts.resizableReset( table, refreshing );
$( document ).unbind( 'mousemove' + namespace + ' mouseup' + namespace );
}
}
});
ts.resizableReset = function( table, refreshing ) {
$( table ).each(function() {
var index, $t,
c = this.config,
wo = c && c.widgetOptions,
vars = wo.resizable_vars;
if ( table && c && c.$headerIndexed.length ) {
// restore the initial table width
if ( vars.overflow && vars.tableWidth ) {
ts.resizable.setWidth( c.$table, vars.tableWidth, true );
if ( vars.useStorage ) {
ts.storage( table, 'tablesorter-table-resized-width', vars.tableWidth );
}
}
for ( index = 0; index < c.columns; index++ ) {
$t = c.$headerIndexed[ index ];
if ( wo.resizable_widths && wo.resizable_widths[ index ] ) {
ts.resizable.setWidth( $t, wo.resizable_widths[ index ], vars.overflow );
} else if ( !$t.hasClass( 'resizable-false' ) ) {
// don't clear the width of any column that is not resizable
ts.resizable.setWidth( $t, '', vars.overflow );
}
}
// reset stickyHeader widths
c.$table.triggerHandler( 'stickyHeadersUpdate' );
if ( ts.storage && !refreshing ) {
ts.storage( this, ts.css.resizableStorage, [] );
}
}
});
};
})( jQuery, window );