tablesorter/js/extras/jquery.dragtable.mod.js
2015-02-07 00:46:44 -06:00

606 lines
24 KiB
JavaScript

/*! Dragtable Mod for TableSorter - 2/7/2015 (v2.19.0) *//*
* Requires
* tablesorter v2.8+
* jQuery 1.7+
* jQuery UI (Core, Widget, Mouse & Sortable)
* Dragtable by Akottr (https://github.com/akottr) modified by Rob Garrison
*/
/*jshint browser:true, jquery:true, unused:false */
/*global jQuery: false */
;(function( $ ) {
'use strict';
var undef,
ts = $.tablesorter;
ts.dragtable = {
create : function( _this ) {
var hasAccept,
$table = _this.originalTable.el,
handle = _this.options.dragHandle.replace('.', '');
$table.children('thead').children().children('th,td').each(function(){
var $this = $(this);
if ( !$this.find( _this.options.dragHandle + ',.' + handle + '-disabled' ).length ) {
hasAccept = _this.options.dragaccept ? $this.hasClass( _this.options.dragaccept.replace('.', '') ) : true;
$this
// sortClass includes a "." to match the tablesorter selectorSort option - for consistency
.wrapInner('<div class="' + _this.options.sortClass.replace('.', '') + '"/>')
// add handle class + "-disabled" to drag-disabled columns
.prepend('<div class="' + handle + ( hasAccept ? '' : '-disabled' ) + '"></div>');
}
});
},
start : function( table ) {
table = $( table )[0];
if ( table && table.config ) {
table.config.widgetOptions.dragtableLast = {
search : $( table ).data( 'lastSearch' ),
order : ts.dragtable.getOrder( table )
};
}
},
update : function( _this ) {
var t, list, val,
dragTable = _this.originalTable,
table = dragTable.el[ 0 ],
$table = $( table ),
c = table.config,
wo = c && c.widgetOptions,
startIndex = dragTable.startIndex - 1,
endIndex = dragTable.endIndex - 1,
columnOrder = ts.dragtable.getOrder( table ) || [],
hasFilters = ts.hasWidget( $table, 'filter' ) || false,
last = wo && wo.dragtableLast || {},
// update moved filters
filters = [];
// only trigger updateAll if column order changed
if ( ( last.order || [] ).join( '' ) !== columnOrder.join( '' ) ) {
if ( c.sortList.length ) {
// must deep extend (nested arrays) to prevent list from changing with c.sortList
list = $.extend( true, [], c.sortList );
$.each( columnOrder, function( indx, value ) {
val = ts.isValueInArray( parseInt( value, 10 ), list );
if ( value !== last.order[ indx ] && val >= 0 ) {
c.sortList[ val ][ 0 ] = indx;
}
});
}
// update filter widget
if ( hasFilters ) {
$.each( last.search || [], function( indx ) {
filters[ indx ] = last.search[ columnOrder[ indx ] ];
});
}
// update preset editable widget columns
t = ( ts.hasWidget( c.$table, 'editable' ) || false ) ? wo.editable_columnsArray : false;
if ( t ) {
c.widgetOptions.editable_columnsArray = ts.dragtable.reindexArrayItem( t, startIndex, endIndex );
}
// update ignore math columns
t = ( ts.hasWidget( c.$table, 'math' ) || false ) ? wo.math_ignore : false;
if ( t ) {
c.widgetOptions.math_ignore = ts.dragtable.reindexArrayItem( t, startIndex, endIndex );
}
// update preset resizable widget widths
t = ( ts.hasWidget( c.$table, 'resizable' ) || false ) ? wo.resizable_widths : false;
if ( t ) {
// use zero-based indexes in the array
wo.resizable_widths = ts.dragtable.moveArrayItem( t, startIndex, endIndex );
}
/*
// chart widget WIP - there are other options that need to be rearranged!
t = ( ts.hasWidget( c.$table, 'chart' ) || false ) ? wo.chart_ignoreColumns : false;
if ( t ) {
// use zero-based indexes in the array
wo.chart_ignoreColumns = ts.dragtable.moveArrayItem( t, startIndex, endIndex );
}
*/
$table.trigger('updateAll', [ false, function() {
if ( hasFilters ) {
setTimeout( function() {
// just update the filter values
c.lastCombinedFilter = null;
c.$table.data('lastSearch', filters);
ts.setFilters( $table, filters );
if ($.isFunction(_this.options.tablesorterComplete)) {
_this.options.tablesorterComplete( c.table );
}
}, 10 );
}
} ]);
}
},
getOrder : function( table ) {
return $( table ).children( 'thead' ).children( '.' + ts.css.headerRow ).children().map( function() {
return $( this ).attr( 'data-column' );
}).get() || [];
},
// bubble the moved col left or right
startColumnMove : function( dragTable ) {
var $cols,
c = dragTable.el[ 0 ].config,
startIndex = dragTable.startIndex - 1,
endIndex = dragTable.endIndex - 1,
cols = c.columns - 1,
pos = endIndex === cols ? false : endIndex <= startIndex,
$rows = c.$table.children().children( 'tr' );
if ( c.debug ) {
ts.log( 'Inserting column ' + startIndex + ( pos ? ' before' : ' after' ) + ' column ' + endIndex );
}
$rows.each( function() {
$cols = $( this ).children();
$cols.eq( startIndex )[ pos ? 'insertBefore' : 'insertAfter' ]( $cols.eq( endIndex ) );
});
// rearrange col in colgroup
$cols = c.$table.children( 'colgroup' ).children();
$cols.eq( startIndex )[ pos ? 'insertBefore' : 'insertAfter' ]( $cols.eq( endIndex ) );
},
swapNodes : function( a, b ) {
var indx, aparent, asibling,
len = a.length;
for ( indx = 0; indx < len; indx++ ) {
aparent = a[ indx ].parentNode;
asibling = a[ indx ].nextSibling === b[ indx ] ? a[ indx ] : a[ indx ].nextSibling;
b[ indx ].parentNode.insertBefore( a[ indx ], b[ indx ] );
aparent.insertBefore( b[ indx ], asibling );
}
},
// http://stackoverflow.com/a/5306832/145346
moveArrayItem : function( array, oldIndex, newIndex ) {
var indx, len = array.length;
if ( newIndex >= len ) {
indx = newIndex - len;
while ( ( indx-- ) + 1 ) {
array.push( undef );
}
}
array.splice( newIndex, 0, array.splice( oldIndex, 1 )[ 0 ] );
return array;
},
reindexArrayItem : function( array, oldIndex, newIndex ) {
var nIndx = $.inArray( newIndex, array ),
oIndx = $.inArray( oldIndex, array ),
max = Math.max.apply( Math, array ),
arry = [];
// columns in the array were swapped so return original array
if ( nIndx >= 0 && oIndx >= 0 ) {
return array;
}
// columns not in the array were moved
$.each( array, function( indx, value ) {
// column (not in array) inserted between indexes
if ( newIndex < oldIndex ) {
// ( [ 0,1,2,3 ], 5, 1 ) -> column inserted between 0 & 1 => [ 0,2,3,4 ]
if ( value >= newIndex ) {
// 5 -> 1 [ 0, 2, 3 ] then 1 -> 0 [ 1, 2, 3 ]
arry.push( value + ( value < oldIndex ? 1 : 0 ) );
} else {
arry.push( value );
}
} else if ( newIndex > oldIndex ) {
// ( [ 0,1,2,3 ], 1, 5 ) -> column in array moved outside => [ 0,1,2,5 ]
if ( value === oldIndex ) {
arry.push( newIndex );
} else if ( value < newIndex && value >= oldIndex ) {
arry.push( value - 1 );
} else if ( value <= newIndex ) {
arry.push( value );
} else if ( value > oldIndex ) {
arry.push( value + ( value < newIndex ? 0 : 1 ) );
}
}
});
return arry.sort();
}
};
/*!
* dragtable
* _____ _
* | |___ _| |
* | | | | . | . |
* |_|_|_|___|___|
*
* @Version 2.0.14 MOD
*
* Copyright (c) 2010-2013, Andres akottr@gmail.com
* Dual licensed under the MIT (MIT-LICENSE.txt)
* and GPL (GPL-LICENSE.txt) licenses.
*
* Inspired by the the dragtable from Dan Vanderkam (danvk.org/dragtable/)
* Thanks to the jquery and jqueryui comitters
*
* Any comment, bug report, feature-request is welcome
* Feel free to contact me.
*/
/* TOKNOW:
* For IE7 you need this css rule:
* table {
* border-collapse: collapse;
* }
* Or take a clean reset.css (see http://meyerweb.com/eric/tools/css/reset/)
*/
/* TODO: investigate
* Does not work properly with css rule:
* html {
* overflow: -moz-scrollbars-vertical;
* }
* Workaround:
* Fixing Firefox issues by scrolling down the page
* http://stackoverflow.com/questions/2451528/jquery-ui-sortable-scroll-helper-element-offset-firefox-issue
*
* var start = $.noop;
* var beforeStop = $.noop;
* if($.browser.mozilla) {
* var start = function (event, ui) {
* if( ui.helper !== undefined )
* ui.helper.css('position','absolute').css('margin-top', $(window).scrollTop() );
* }
* var beforeStop = function (event, ui) {
* if( ui.offset !== undefined )
* ui.helper.css('margin-top', 0);
* }
* }
*
* and pass this as start and stop function to the sortable initialisation
* start: start,
* beforeStop: beforeStop
*/
/*
* Special thx to all pull requests comitters
*/
$.widget("akottr.dragtable", {
options: {
revert: false, // smooth revert
dragHandle: '.table-handle', // handle for moving cols, if not exists the whole 'th' is the handle
maxMovingRows: 40, // 1 -> only header. 40 row should be enough, the rest is usually not in the viewport
excludeFooter: false, // excludes the footer row(s) while moving other columns. Make sense if there is a footer with a colspan. */
onlyHeaderThreshold: 100, // TODO: not implemented yet, switch automatically between entire col moving / only header moving
dragaccept: null, // draggable cols -> default all
persistState: null, // url or function -> plug in your custom persistState function right here. function call is persistState(originalTable)
restoreState: null, // JSON-Object or function: some kind of experimental aka Quick-Hack TODO: do it better
exact: true, // removes pixels, so that the overlay table width fits exactly the original table width
clickDelay: 10, // ms to wait before rendering sortable list and delegating click event
containment: null, // @see http://api.jqueryui.com/sortable/#option-containment, use it if you want to move in 2 dimesnions (together with axis: null)
cursor: 'move', // @see http://api.jqueryui.com/sortable/#option-cursor
cursorAt: false, // @see http://api.jqueryui.com/sortable/#option-cursorAt
distance: 0, // @see http://api.jqueryui.com/sortable/#option-distance, for immediate feedback use "0"
tolerance: 'pointer', // @see http://api.jqueryui.com/sortable/#option-tolerance
axis: 'x', // @see http://api.jqueryui.com/sortable/#option-axis, Only vertical moving is allowed. Use 'x' or null. Use this in conjunction with the 'containment' setting
beforeStart: $.noop, // returning FALSE will stop the execution chain.
beforeMoving: $.noop,
beforeReorganize: $.noop,
beforeStop: $.noop,
// new options
tablesorterComplete: null,
sortClass : '.sorter'
},
originalTable: {
el: null,
selectedHandle: null,
sortOrder: null,
startIndex: 0,
endIndex: 0
},
sortableTable: {
el: $(),
selectedHandle: $(),
movingRow: $()
},
persistState: function() {
var _this = this;
this.originalTable.el.find('th').each(function(i) {
if (this.id !== '') {
_this.originalTable.sortOrder[this.id] = i;
}
});
$.ajax({
url: this.options.persistState,
data: this.originalTable.sortOrder
});
},
/*
* persistObj looks like
* {'id1':'2','id3':'3','id2':'1'}
* table looks like
* | id2 | id1 | id3 |
*/
_restoreState: function(persistObj) {
for (var n in persistObj) {
if (n in persistObj) {
this.originalTable.startIndex = $('#' + n).closest('th').prevAll().length + 1;
this.originalTable.endIndex = parseInt(persistObj[n], 10) + 1;
this._bubbleCols();
}
}
},
// bubble the moved col left or right
_bubbleCols: function() {
ts.dragtable.startColumnMove(this.originalTable);
},
_rearrangeTableBackroundProcessing: function() {
var _this = this;
return function() {
_this._bubbleCols();
_this.options.beforeStop(_this.originalTable);
_this.sortableTable.el.remove();
restoreTextSelection();
ts.dragtable.update(_this);
// persist state if necessary
if ($.isFunction(_this.options.persistState)) {
_this.options.persistState(_this.originalTable);
} else {
_this.persistState();
}
};
},
_rearrangeTable: function() {
var _this = this;
return function() {
// remove handler-class -> handler is now finished
_this.originalTable.selectedHandle.removeClass('dragtable-handle-selected');
// add disabled class -> reorgorganisation starts soon
_this.sortableTable.el.sortable("disable");
_this.sortableTable.el.addClass('dragtable-disabled');
_this.options.beforeReorganize(_this.originalTable, _this.sortableTable);
// do reorganisation asynchronous
// for chrome a little bit more than 1 ms because we want to force a rerender
_this.originalTable.endIndex = _this.sortableTable.movingRow.prevAll().length + 1;
setTimeout(_this._rearrangeTableBackroundProcessing(), 50);
};
},
/*
* Disrupts the table. The original table stays the same.
* But on a layer above the original table we are constructing a list (ul > li)
* each li with a separate table representig a single col of the original table.
*/
_generateSortable: function(e) {
if (e.cancelBubble) {
e.cancelBubble = true;
} else {
e.stopPropagation();
}
var _this = this;
// table attributes
var attrs = this.originalTable.el[0].attributes;
var tableAttrsString = '';
for (var i = 0; i < attrs.length; i++) {
if ( (attrs[i].value || attrs[i].nodeValue) && attrs[i].nodeName != 'id' && attrs[i].nodeName != 'width') {
tableAttrsString += attrs[i].nodeName + '="' + ( attrs[i].value || attrs[i].nodeValue ) + '" ';
}
}
// row attributes
var rowAttrsArr = [];
//compute height, special handling for ie needed :-(
var heightArr = [];
// don't save tfoot attributes because it messes up indexing
_this.originalTable.el.children('thead, tbody').children('tr:visible').slice(0, _this.options.maxMovingRow).each(function() {
// row attributes
var attrs = this.attributes;
var attrsString = '';
for (var j = 0; j < attrs.length; j++) {
if ( (attrs[j].value || attrs[j].nodeValue ) && attrs[j].nodeName != 'id') {
attrsString += ' ' + attrs[j].nodeName + '="' + ( attrs[j].value || attrs[j].nodeValue ) + '"';
}
}
rowAttrsArr.push(attrsString);
heightArr.push($(this).height());
});
// compute width, no special handling for ie needed :-)
var widthArr = [];
// compute total width, needed for not wrapping around after the screen ends (floating)
var totalWidth = 0;
/* Find children thead and tbody.
* Only to process the immediate tr-children. Bugfix for inner tables
*/
var thtb = _this.originalTable.el.children();
var headerRows = thtb.filter('thead').children('tr:visible');
var visibleRows = thtb.filter('tbody').children('tr:visible');
headerRows.eq(0).children('th, td').filter(':visible').each(function() {
var w = $(this).outerWidth();
widthArr.push(w);
totalWidth += w;
});
if(_this.options.exact) {
var difference = totalWidth - _this.originalTable.el.outerWidth();
widthArr[0] -= difference;
}
// one extra px on right and left side
totalWidth += 2;
var captionHeight = 0;
thtb.filter('caption').each(function(){
captionHeight += $(this).outerHeight();
});
var sortableHtml = '<ul class="dragtable-sortable" style="position:absolute; width:' + totalWidth + 'px;">';
var sortableColumn = [];
// assemble the needed html
// build list
var rowIndex,
columns = headerRows.eq(0).children('th, td').length;
/*jshint loopfunc:true */
for (i = 0; i < columns; i++) {
var row = headerRows.children(':nth-child(' + (i + 1) + ')');
if (row.is(':visible')) {
rowIndex = 0;
sortableColumn[i] = '<li style="width:' + row.outerWidth() + 'px;">' +
'<table ' + tableAttrsString + '>' +
( captionHeight ? '<caption style="height:' + captionHeight + 'px;"></caption>' : '' ) +
'<thead>';
// thead
headerRows.each(function(j){
sortableColumn[i] += '<tr ' + rowAttrsArr[rowIndex++] +
( heightArr[j] ? ' style="height:' + heightArr[j] + 'px;"' : '' ) + '>' +
row[j].outerHTML + '</tr>';
});
sortableColumn[i] += '</thead><tbody>';
// tbody
row = visibleRows.children(':nth-child(' + (i + 1) + ')');
if (_this.options.maxMovingRows > 1) {
row = row.add(visibleRows.children(':nth-child(' + (i + 1) + ')').slice(0, _this.options.maxMovingRows - 1));
}
row.each(function(j) {
sortableColumn[i] += '<tr ' + rowAttrsArr[rowIndex++] +
( heightArr[j] ? ' style="height:' + heightArr[j] + 'px;"' : '' ) + '>' +
this.outerHTML + '</tr>';
});
sortableColumn[i] += '</tbody>';
// add footer to end of max Rows
if (!_this.options.excludeFooter) {
sortableColumn[i] += '<tfoot><tr ' + rowAttrsArr[rowIndex++] + '>' +
thtb.filter('tfoot').children('tr:visible').children()[i].outerHTML + '</tr></tfoot>';
}
sortableColumn[i] += '</table></li>';
}
}
sortableHtml += sortableColumn.join('') + '</ul>';
this.sortableTable.el = this.originalTable.el.before(sortableHtml).prev();
// set width if necessary
this.sortableTable.el.find('> li > table').each(function(i) {
$(this).css('width', widthArr[i] + 'px');
});
// assign this.sortableTable.selectedHandle
this.sortableTable.selectedHandle = this.sortableTable.el.find('th .dragtable-handle-selected');
var items = !this.options.dragaccept ? 'li' : 'li:has(' + this.options.dragaccept + ')';
this.sortableTable.el.sortable({
items: items,
stop: this._rearrangeTable(),
// pass thru options for sortable widget
revert: this.options.revert,
tolerance: this.options.tolerance,
containment: this.options.containment,
cursor: this.options.cursor,
cursorAt: this.options.cursorAt,
distance: this.options.distance,
axis: this.options.axis
});
// assign start index
this.originalTable.startIndex = $(e.target).closest('th,td').prevAll().length + 1;
this.options.beforeMoving(this.originalTable, this.sortableTable);
// Start moving by delegating the original event to the new sortable table
this.sortableTable.movingRow = this.sortableTable.el.children('li:nth-child(' + this.originalTable.startIndex + ')');
// prevent the user from drag selecting "highlighting" surrounding page elements
disableTextSelection();
// clone the initial event and trigger the sort with it
this.sortableTable.movingRow.trigger($.extend($.Event(e.type), {
which: 1,
clientX: e.clientX,
clientY: e.clientY,
pageX: e.pageX,
pageY: e.pageY,
screenX: e.screenX,
screenY: e.screenY
}));
// Some inner divs to deliver the posibillity to style the placeholder more sophisticated
var placeholder = this.sortableTable.el.find('.ui-sortable-placeholder');
if(placeholder.height() > 0) {
placeholder.css('height', this.sortableTable.el.find('.ui-sortable-helper').height());
}
placeholder.html('<div class="outer" style="height:100%;"><div class="inner" style="height:100%;"></div></div>');
},
bindTo: {},
_create: function() {
var _this = this;
_this.originalTable = {
el: _this.element,
selectedHandle: $(),
sortOrder: {},
startIndex: 0,
endIndex: 0
};
ts.dragtable.create( _this );
// filter only the cols that are accepted
_this.bindTo = '> thead > tr > ' + ( _this.options.dragaccept || 'th, td' );
// bind draggable to handle if exists
if (_this.element.find(_this.bindTo).find(_this.options.dragHandle).length) {
_this.bindTo += ' ' + _this.options.dragHandle;
}
// restore state if necessary
if ($.isFunction(_this.options.restoreState)) {
_this.options.restoreState(_this.originalTable);
} else {
_this._restoreState(_this.options.restoreState);
}
_this.originalTable.el.on( 'mousedown.dragtable', _this.bindTo, function(evt) {
// listen only to left mouse click
if (evt.which!==1) return;
ts.dragtable.start( _this.originalTable.el );
if (_this.options.beforeStart(_this.originalTable) === false) {
return;
}
clearTimeout(_this.downTimer);
_this.downTimer = setTimeout(function() {
_this.originalTable.selectedHandle = $(_this);
_this.originalTable.selectedHandle.addClass('dragtable-handle-selected');
_this._generateSortable(evt);
}, _this.options.clickDelay);
}).on( 'mouseup.dragtable', _this.options.dragHandle,function() {
clearTimeout(_this.downTimer);
});
},
redraw: function(){
this.destroy();
this._create();
},
destroy: function() {
this.originalTable.el.off('mousedown.dragtable mouseup.dragtable', this.bindTo);
$.Widget.prototype.destroy.apply(this, arguments); // default destroy
// now do other stuff particular to this widget
}
});
/** closure-scoped "private" functions **/
var body_onselectstart_save = $(document.body).attr('onselectstart'),
body_unselectable_save = $(document.body).attr('unselectable');
// css properties to disable user-select on the body tag by appending a <style> tag to the <head>
// remove any current document selections
function disableTextSelection() {
// jQuery doesn't support the element.text attribute in MSIE 8
// http://stackoverflow.com/questions/2692770/style-style-textcss-appendtohead-does-not-work-in-ie
var $style = $('<style id="__dragtable_disable_text_selection__" type="text/css">body { -ms-user-select:none;-moz-user-select:-moz-none;-khtml-user-select:none;-webkit-user-select:none;user-select:none; }</style>');
$(document.head).append($style);
$(document.body).attr('onselectstart', 'return false;').attr('unselectable', 'on');
if (window.getSelection) {
window.getSelection().removeAllRanges();
} else {
document.selection.empty(); // MSIE http://msdn.microsoft.com/en-us/library/ms535869%28v=VS.85%29.aspx
}
}
// remove the <style> tag, and restore the original <body> onselectstart attribute
function restoreTextSelection() {
$('#__dragtable_disable_text_selection__').remove();
if (body_onselectstart_save) {
$(document.body).attr('onselectstart', body_onselectstart_save);
} else {
$(document.body).removeAttr('onselectstart');
}
if (body_unselectable_save) {
$(document.body).attr('unselectable', body_unselectable_save);
} else {
$(document.body).removeAttr('unselectable');
}
}
})(jQuery);