/*! * jQuery UI Sortable 1.13.1 * http://jqueryui.com * * Copyright jQuery Foundation and other contributors * Released under the MIT license. * http://jquery.org/license */ //>>label: Sortable //>>group: Interactions //>>description: Enables items in a list to be sorted using the mouse. //>>docs: http://api.jqueryui.com/sortable/ //>>demos: http://jqueryui.com/sortable/ //>>css.structure: ../../themes/base/sortable.css ( function( factory ) { "use strict"; if ( typeof define === "function" && define.amd ) { // AMD. Register as an anonymous module. define( [ "jquery", "./mouse", "./core" ], factory ); } else { // Browser globals factory( jQuery ); } } )( function( $ ) { "use strict"; return $.widget( "ui.sortable", $.ui.mouse, { version: "1.13.1", widgetEventPrefix: "sort", ready: false, options: { appendTo: "parent", axis: false, connectWith: false, containment: false, cursor: "auto", cursorAt: false, dropOnEmpty: true, forcePlaceholderSize: false, forceHelperSize: false, grid: false, handle: false, helper: "original", items: "> *", opacity: false, placeholder: false, revert: false, scroll: true, scrollSensitivity: 20, scrollSpeed: 20, scope: "default", tolerance: "intersect", zIndex: 1000, // Callbacks activate: null, beforeStop: null, change: null, deactivate: null, out: null, over: null, receive: null, remove: null, sort: null, start: null, stop: null, update: null }, _isOverAxis: function( x, reference, size ) { return ( x >= reference ) && ( x < ( reference + size ) ); }, _isFloating: function( item ) { return ( /left|right/ ).test( item.css( "float" ) ) || ( /inline|table-cell/ ).test( item.css( "display" ) ); }, _create: function() { this.containerCache = {}; this._addClass( "ui-sortable" ); //Get the items this.refresh(); //Let's determine the parent's offset this.offset = this.element.offset(); //Initialize mouse events for interaction this._mouseInit(); this._setHandleClassName(); //We're ready to go this.ready = true; }, _setOption: function( key, value ) { this._super( key, value ); if ( key === "handle" ) { this._setHandleClassName(); } }, _setHandleClassName: function() { var that = this; this._removeClass( this.element.find( ".ui-sortable-handle" ), "ui-sortable-handle" ); $.each( this.items, function() { that._addClass( this.instance.options.handle ? this.item.find( this.instance.options.handle ) : this.item, "ui-sortable-handle" ); } ); }, _destroy: function() { this._mouseDestroy(); for ( var i = this.items.length - 1; i >= 0; i-- ) { this.items[ i ].item.removeData( this.widgetName + "-item" ); } return this; }, _mouseCapture: function( event, overrideHandle ) { var currentItem = null, validHandle = false, that = this; if ( this.reverting ) { return false; } if ( this.options.disabled || this.options.type === "static" ) { return false; } //We have to refresh the items data once first this._refreshItems( event ); //Find out if the clicked node (or one of its parents) is a actual item in this.items $( event.target ).parents().each( function() { if ( $.data( this, that.widgetName + "-item" ) === that ) { currentItem = $( this ); return false; } } ); if ( $.data( event.target, that.widgetName + "-item" ) === that ) { currentItem = $( event.target ); } if ( !currentItem ) { return false; } if ( this.options.handle && !overrideHandle ) { $( this.options.handle, currentItem ).find( "*" ).addBack().each( function() { if ( this === event.target ) { validHandle = true; } } ); if ( !validHandle ) { return false; } } this.currentItem = currentItem; this._removeCurrentsFromItems(); return true; }, _mouseStart: function( event, overrideHandle, noActivation ) { var i, body, o = this.options; this.currentContainer = this; //We only need to call refreshPositions, because the refreshItems call has been moved to // mouseCapture this.refreshPositions(); //Prepare the dragged items parent this.appendTo = $( o.appendTo !== "parent" ? o.appendTo : this.currentItem.parent() ); //Create and append the visible helper this.helper = this._createHelper( event ); //Cache the helper size this._cacheHelperProportions(); /* * - Position generation - * This block generates everything position related - it's the core of draggables. */ //Cache the margins of the original element this._cacheMargins(); //The element's absolute position on the page minus margins this.offset = this.currentItem.offset(); this.offset = { top: this.offset.top - this.margins.top, left: this.offset.left - this.margins.left }; $.extend( this.offset, { click: { //Where the click happened, relative to the element left: event.pageX - this.offset.left, top: event.pageY - this.offset.top }, // This is a relative to absolute position minus the actual position calculation - // only used for relative positioned helper relative: this._getRelativeOffset() } ); // After we get the helper offset, but before we get the parent offset we can // change the helper's position to absolute // TODO: Still need to figure out a way to make relative sorting possible this.helper.css( "position", "absolute" ); this.cssPosition = this.helper.css( "position" ); //Adjust the mouse offset relative to the helper if "cursorAt" is supplied if ( o.cursorAt ) { this._adjustOffsetFromHelper( o.cursorAt ); } //Cache the former DOM position this.domPosition = { prev: this.currentItem.prev()[ 0 ], parent: this.currentItem.parent()[ 0 ] }; // If the helper is not the original, hide the original so it's not playing any role during // the drag, won't cause anything bad this way if ( this.helper[ 0 ] !== this.currentItem[ 0 ] ) { this.currentItem.hide(); } //Create the placeholder this._createPlaceholder(); //Get the next scrolling parent this.scrollParent = this.placeholder.scrollParent(); $.extend( this.offset, { parent: this._getParentOffset() } ); //Set a containment if given in the options if ( o.containment ) { this._setContainment(); } if ( o.cursor && o.cursor !== "auto" ) { // cursor option body = this.document.find( "body" ); // Support: IE this.storedCursor = body.css( "cursor" ); body.css( "cursor", o.cursor ); this.storedStylesheet = $( "" ).appendTo( body ); } // We need to make sure to grab the zIndex before setting the // opacity, because setting the opacity to anything lower than 1 // causes the zIndex to change from "auto" to 0. if ( o.zIndex ) { // zIndex option if ( this.helper.css( "zIndex" ) ) { this._storedZIndex = this.helper.css( "zIndex" ); } this.helper.css( "zIndex", o.zIndex ); } if ( o.opacity ) { // opacity option if ( this.helper.css( "opacity" ) ) { this._storedOpacity = this.helper.css( "opacity" ); } this.helper.css( "opacity", o.opacity ); } //Prepare scrolling if ( this.scrollParent[ 0 ] !== this.document[ 0 ] && this.scrollParent[ 0 ].tagName !== "HTML" ) { this.overflowOffset = this.scrollParent.offset(); } //Call callbacks this._trigger( "start", event, this._uiHash() ); //Recache the helper size if ( !this._preserveHelperProportions ) { this._cacheHelperProportions(); } //Post "activate" events to possible containers if ( !noActivation ) { for ( i = this.containers.length - 1; i >= 0; i-- ) { this.containers[ i ]._trigger( "activate", event, this._uiHash( this ) ); } } //Prepare possible droppables if ( $.ui.ddmanager ) { $.ui.ddmanager.current = this; } if ( $.ui.ddmanager && !o.dropBehaviour ) { $.ui.ddmanager.prepareOffsets( this, event ); } this.dragging = true; this._addClass( this.helper, "ui-sortable-helper" ); //Move the helper, if needed if ( !this.helper.parent().is( this.appendTo ) ) { this.helper.detach().appendTo( this.appendTo ); //Update position this.offset.parent = this._getParentOffset(); } //Generate the original position this.position = this.originalPosition = this._generatePosition( event ); this.originalPageX = event.pageX; this.originalPageY = event.pageY; this.lastPositionAbs = this.positionAbs = this._convertPositionTo( "absolute" ); this._mouseDrag( event ); return true; }, _scroll: function( event ) { var o = this.options, scrolled = false; if ( this.scrollParent[ 0 ] !== this.document[ 0 ] && this.scrollParent[ 0 ].tagName !== "HTML" ) { if ( ( this.overflowOffset.top + this.scrollParent[ 0 ].offsetHeight ) - event.pageY < o.scrollSensitivity ) { this.scrollParent[ 0 ].scrollTop = scrolled = this.scrollParent[ 0 ].scrollTop + o.scrollSpeed; } else if ( event.pageY - this.overflowOffset.top < o.scrollSensitivity ) { this.scrollParent[ 0 ].scrollTop = scrolled = this.scrollParent[ 0 ].scrollTop - o.scrollSpeed; } if ( ( this.overflowOffset.left + this.scrollParent[ 0 ].offsetWidth ) - event.pageX < o.scrollSensitivity ) { this.scrollParent[ 0 ].scrollLeft = scrolled = this.scrollParent[ 0 ].scrollLeft + o.scrollSpeed; } else if ( event.pageX - this.overflowOffset.left < o.scrollSensitivity ) { this.scrollParent[ 0 ].scrollLeft = scrolled = this.scrollParent[ 0 ].scrollLeft - o.scrollSpeed; } } else { if ( event.pageY - this.document.scrollTop() < o.scrollSensitivity ) { scrolled = this.document.scrollTop( this.document.scrollTop() - o.scrollSpeed ); } else if ( this.window.height() - ( event.pageY - this.document.scrollTop() ) < o.scrollSensitivity ) { scrolled = this.document.scrollTop( this.document.scrollTop() + o.scrollSpeed ); } if ( event.pageX - this.document.scrollLeft() < o.scrollSensitivity ) { scrolled = this.document.scrollLeft( this.document.scrollLeft() - o.scrollSpeed ); } else if ( this.window.width() - ( event.pageX - this.document.scrollLeft() ) < o.scrollSensitivity ) { scrolled = this.document.scrollLeft( this.document.scrollLeft() + o.scrollSpeed ); } } return scrolled; }, _mouseDrag: function( event ) { var i, item, itemElement, intersection, o = this.options; //Compute the helpers position this.position = this._generatePosition( event ); this.positionAbs = this._convertPositionTo( "absolute" ); //Set the helper position if ( !this.options.axis || this.options.axis !== "y" ) { this.helper[ 0 ].style.left = this.position.left + "px"; } if ( !this.options.axis || this.options.axis !== "x" ) { this.helper[ 0 ].style.top = this.position.top + "px"; } //Do scrolling if ( o.scroll ) { if ( this._scroll( event ) !== false ) { //Update item positions used in position checks this._refreshItemPositions( true ); if ( $.ui.ddmanager && !o.dropBehaviour ) { $.ui.ddmanager.prepareOffsets( this, event ); } } } this.dragDirection = { vertical: this._getDragVerticalDirection(), horizontal: this._getDragHorizontalDirection() }; //Rearrange for ( i = this.items.length - 1; i >= 0; i-- ) { //Cache variables and intersection, continue if no intersection item = this.items[ i ]; itemElement = item.item[ 0 ]; intersection = this._intersectsWithPointer( item ); if ( !intersection ) { continue; } // Only put the placeholder inside the current Container, skip all // items from other containers. This works because when moving // an item from one container to another the // currentContainer is switched before the placeholder is moved. // // Without this, moving items in "sub-sortables" can cause // the placeholder to jitter between the outer and inner container. if ( item.instance !== this.currentContainer ) { continue; } // Cannot intersect with itself // no useless actions that have been done before // no action if the item moved is the parent of the item checked if ( itemElement !== this.currentItem[ 0 ] && this.placeholder[ intersection === 1 ? "next" : "prev" ]()[ 0 ] !== itemElement && !$.contains( this.placeholder[ 0 ], itemElement ) && ( this.options.type === "semi-dynamic" ? !$.contains( this.element[ 0 ], itemElement ) : true ) ) { this.direction = intersection === 1 ? "down" : "up"; if ( this.options.tolerance === "pointer" || this._intersectsWithSides( item ) ) { this._rearrange( event, item ); } else { break; } this._trigger( "change", event, this._uiHash() ); break; } } //Post events to containers this._contactContainers( event ); //Interconnect with droppables if ( $.ui.ddmanager ) { $.ui.ddmanager.drag( this, event ); } //Call callbacks this._trigger( "sort", event, this._uiHash() ); this.lastPositionAbs = this.positionAbs; return false; }, _mouseStop: function( event, noPropagation ) { if ( !event ) { return; } //If we are using droppables, inform the manager about the drop if ( $.ui.ddmanager && !this.options.dropBehaviour ) { $.ui.ddmanager.drop( this, event ); } if ( this.options.revert ) { var that = this, cur = this.placeholder.offset(), axis = this.options.axis, animation = {}; if ( !axis || axis === "x" ) { animation.left = cur.left - this.offset.parent.left - this.margins.left + ( this.offsetParent[ 0 ] === this.document[ 0 ].body ? 0 : this.offsetParent[ 0 ].scrollLeft ); } if ( !axis || axis === "y" ) { animation.top = cur.top - this.offset.parent.top - this.margins.top + ( this.offsetParent[ 0 ] === this.document[ 0 ].body ? 0 : this.offsetParent[ 0 ].scrollTop ); } this.reverting = true; $( this.helper ).animate( animation, parseInt( this.options.revert, 10 ) || 500, function() { that._clear( event ); } ); } else { this._clear( event, noPropagation ); } return false; }, cancel: function() { if ( this.dragging ) { this._mouseUp( new $.Event( "mouseup", { target: null } ) ); if ( this.options.helper === "original" ) { this.currentItem.css( this._storedCSS ); this._removeClass( this.currentItem, "ui-sortable-helper" ); } else { this.currentItem.show(); } //Post deactivating events to containers for ( var i = this.containers.length - 1; i >= 0; i-- ) { this.containers[ i ]._trigger( "deactivate", null, this._uiHash( this ) ); if ( this.containers[ i ].containerCache.over ) { this.containers[ i ]._trigger( "out", null, this._uiHash( this ) ); this.containers[ i ].containerCache.over = 0; } } } if ( this.placeholder ) { //$(this.placeholder[0]).remove(); would have been the jQuery way - unfortunately, // it unbinds ALL events from the original node! if ( this.placeholder[ 0 ].parentNode ) { this.placeholder[ 0 ].parentNode.removeChild( this.placeholder[ 0 ] ); } if ( this.options.helper !== "original" && this.helper && this.helper[ 0 ].parentNode ) { this.helper.remove(); } $.extend( this, { helper: null, dragging: false, reverting: false, _noFinalSort: null } ); if ( this.domPosition.prev ) { $( this.domPosition.prev ).after( this.currentItem ); } else { $( this.domPosition.parent ).prepend( this.currentItem ); } } return this; }, serialize: function( o ) { var items = this._getItemsAsjQuery( o && o.connected ), str = []; o = o || {}; $( items ).each( function() { var res = ( $( o.item || this ).attr( o.attribute || "id" ) || "" ) .match( o.expression || ( /(.+)[\-=_](.+)/ ) ); if ( res ) { str.push( ( o.key || res[ 1 ] + "[]" ) + "=" + ( o.key && o.expression ? res[ 1 ] : res[ 2 ] ) ); } } ); if ( !str.length && o.key ) { str.push( o.key + "=" ); } return str.join( "&" ); }, toArray: function( o ) { var items = this._getItemsAsjQuery( o && o.connected ), ret = []; o = o || {}; items.each( function() { ret.push( $( o.item || this ).attr( o.attribute || "id" ) || "" ); } ); return ret; }, /* Be careful with the following core functions */ _intersectsWith: function( item ) { var x1 = this.positionAbs.left, x2 = x1 + this.helperProportions.width, y1 = this.positionAbs.top, y2 = y1 + this.helperProportions.height, l = item.left, r = l + item.width, t = item.top, b = t + item.height, dyClick = this.offset.click.top, dxClick = this.offset.click.left, isOverElementHeight = ( this.options.axis === "x" ) || ( ( y1 + dyClick ) > t && ( y1 + dyClick ) < b ), isOverElementWidth = ( this.options.axis === "y" ) || ( ( x1 + dxClick ) > l && ( x1 + dxClick ) < r ), isOverElement = isOverElementHeight && isOverElementWidth; if ( this.options.tolerance === "pointer" || this.options.forcePointerForContainers || ( this.options.tolerance !== "pointer" && this.helperProportions[ this.floating ? "width" : "height" ] > item[ this.floating ? "width" : "height" ] ) ) { return isOverElement; } else { return ( l < x1 + ( this.helperProportions.width / 2 ) && // Right Half x2 - ( this.helperProportions.width / 2 ) < r && // Left Half t < y1 + ( this.helperProportions.height / 2 ) && // Bottom Half y2 - ( this.helperProportions.height / 2 ) < b ); // Top Half } }, _intersectsWithPointer: function( item ) { var verticalDirection, horizontalDirection, isOverElementHeight = ( this.options.axis === "x" ) || this._isOverAxis( this.positionAbs.top + this.offset.click.top, item.top, item.height ), isOverElementWidth = ( this.options.axis === "y" ) || this._isOverAxis( this.positionAbs.left + this.offset.click.left, item.left, item.width ), isOverElement = isOverElementHeight && isOverElementWidth; if ( !isOverElement ) { return false; } verticalDirection = this.dragDirection.vertical; horizontalDirection = this.dragDirection.horizontal; return this.floating ? ( ( horizontalDirection === "right" || verticalDirection === "down" ) ? 2 : 1 ) : ( verticalDirection && ( verticalDirection === "down" ? 2 : 1 ) ); }, _intersectsWithSides: function( item ) { var isOverBottomHalf = this._isOverAxis( this.positionAbs.top + this.offset.click.top, item.top + ( item.height / 2 ), item.height ), isOverRightHalf = this._isOverAxis( this.positionAbs.left + this.offset.click.left, item.left + ( item.width / 2 ), item.width ), verticalDirection = this.dragDirection.vertical, horizontalDirection = this.dragDirection.horizontal; if ( this.floating && horizontalDirection ) { return ( ( horizontalDirection === "right" && isOverRightHalf ) || ( horizontalDirection === "left" && !isOverRightHalf ) ); } else { return verticalDirection && ( ( verticalDirection === "down" && isOverBottomHalf ) || ( verticalDirection === "up" && !isOverBottomHalf ) ); } }, _getDragVerticalDirection: function() { var delta = this.positionAbs.top - this.lastPositionAbs.top; return delta !== 0 && ( delta > 0 ? "down" : "up" ); }, _getDragHorizontalDirection: function() { var delta = this.positionAbs.left - this.lastPositionAbs.left; return delta !== 0 && ( delta > 0 ? "right" : "left" ); }, refresh: function( event ) { this._refreshItems( event ); this._setHandleClassName(); this.refreshPositions(); return this; }, _connectWith: function() { var options = this.options; return options.connectWith.constructor === String ? [ options.connectWith ] : options.connectWith; }, _getItemsAsjQuery: function( connected ) { var i, j, cur, inst, items = [], queries = [], connectWith = this._connectWith(); if ( connectWith && connected ) { for ( i = connectWith.length - 1; i >= 0; i-- ) { cur = $( connectWith[ i ], this.document[ 0 ] ); for ( j = cur.length - 1; j >= 0; j-- ) { inst = $.data( cur[ j ], this.widgetFullName ); if ( inst && inst !== this && !inst.options.disabled ) { queries.push( [ typeof inst.options.items === "function" ? inst.options.items.call( inst.element ) : $( inst.options.items, inst.element ) .not( ".ui-sortable-helper" ) .not( ".ui-sortable-placeholder" ), inst ] ); } } } } queries.push( [ typeof this.options.items === "function" ? this.options.items .call( this.element, null, { options: this.options, item: this.currentItem } ) : $( this.options.items, this.element ) .not( ".ui-sortable-helper" ) .not( ".ui-sortable-placeholder" ), this ] ); function addItems() { items.push( this ); } for ( i = queries.length - 1; i >= 0; i-- ) { queries[ i ][ 0 ].each( addItems ); } return $( items ); }, _removeCurrentsFromItems: function() { var list = this.currentItem.find( ":data(" + this.widgetName + "-item)" ); this.items = $.grep( this.items, function( item ) { for ( var j = 0; j < list.length; j++ ) { if ( list[ j ] === item.item[ 0 ] ) { return false; } } return true; } ); }, _refreshItems: function( event ) { this.items = []; this.containers = [ this ]; var i, j, cur, inst, targetData, _queries, item, queriesLength, items = this.items, queries = [ [ typeof this.options.items === "function" ? this.options.items.call( this.element[ 0 ], event, { item: this.currentItem } ) : $( this.options.items, this.element ), this ] ], connectWith = this._connectWith(); //Shouldn't be run the first time through due to massive slow-down if ( connectWith && this.ready ) { for ( i = connectWith.length - 1; i >= 0; i-- ) { cur = $( connectWith[ i ], this.document[ 0 ] ); for ( j = cur.length - 1; j >= 0; j-- ) { inst = $.data( cur[ j ], this.widgetFullName ); if ( inst && inst !== this && !inst.options.disabled ) { queries.push( [ typeof inst.options.items === "function" ? inst.options.items .call( inst.element[ 0 ], event, { item: this.currentItem } ) : $( inst.options.items, inst.element ), inst ] ); this.containers.push( inst ); } } } } for ( i = queries.length - 1; i >= 0; i-- ) { targetData = queries[ i ][ 1 ]; _queries = queries[ i ][ 0 ]; for ( j = 0, queriesLength = _queries.length; j < queriesLength; j++ ) { item = $( _queries[ j ] ); // Data for target checking (mouse manager) item.data( this.widgetName + "-item", targetData ); items.push( { item: item, instance: targetData, width: 0, height: 0, left: 0, top: 0 } ); } } }, _refreshItemPositions: function( fast ) { var i, item, t, p; for ( i = this.items.length - 1; i >= 0; i-- ) { item = this.items[ i ]; //We ignore calculating positions of all connected containers when we're not over them if ( this.currentContainer && item.instance !== this.currentContainer && item.item[ 0 ] !== this.currentItem[ 0 ] ) { continue; } t = this.options.toleranceElement ? $( this.options.toleranceElement, item.item ) : item.item; if ( !fast ) { item.width = t.outerWidth(); item.height = t.outerHeight(); } p = t.offset(); item.left = p.left; item.top = p.top; } }, refreshPositions: function( fast ) { // Determine whether items are being displayed horizontally this.floating = this.items.length ? this.options.axis === "x" || this._isFloating( this.items[ 0 ].item ) : false; // This has to be redone because due to the item being moved out/into the offsetParent, // the offsetParent's position will change if ( this.offsetParent && this.helper ) { this.offset.parent = this._getParentOffset(); } this._refreshItemPositions( fast ); var i, p; if ( this.options.custom && this.options.custom.refreshContainers ) { this.options.custom.refreshContainers.call( this ); } else { for ( i = this.containers.length - 1; i >= 0; i-- ) { p = this.containers[ i ].element.offset(); this.containers[ i ].containerCache.left = p.left; this.containers[ i ].containerCache.top = p.top; this.containers[ i ].containerCache.width = this.containers[ i ].element.outerWidth(); this.containers[ i ].containerCache.height = this.containers[ i ].element.outerHeight(); } } return this; }, _createPlaceholder: function( that ) { that = that || this; var className, nodeName, o = that.options; if ( !o.placeholder || o.placeholder.constructor === String ) { className = o.placeholder; nodeName = that.currentItem[ 0 ].nodeName.toLowerCase(); o.placeholder = { element: function() { var element = $( "<" + nodeName + ">", that.document[ 0 ] ); that._addClass( element, "ui-sortable-placeholder", className || that.currentItem[ 0 ].className ) ._removeClass( element, "ui-sortable-helper" ); if ( nodeName === "tbody" ) { that._createTrPlaceholder( that.currentItem.find( "tr" ).eq( 0 ), $( "", that.document[ 0 ] ).appendTo( element ) ); } else if ( nodeName === "tr" ) { that._createTrPlaceholder( that.currentItem, element ); } else if ( nodeName === "img" ) { element.attr( "src", that.currentItem.attr( "src" ) ); } if ( !className ) { element.css( "visibility", "hidden" ); } return element; }, update: function( container, p ) { // 1. If a className is set as 'placeholder option, we don't force sizes - // the class is responsible for that // 2. The option 'forcePlaceholderSize can be enabled to force it even if a // class name is specified if ( className && !o.forcePlaceholderSize ) { return; } // If the element doesn't have a actual height or width by itself (without // styles coming from a stylesheet), it receives the inline height and width // from the dragged item. Or, if it's a tbody or tr, it's going to have a height // anyway since we're populating them with s above, but they're unlikely to // be the correct height on their own if the row heights are dynamic, so we'll // always assign the height of the dragged item given forcePlaceholderSize // is true. if ( !p.height() || ( o.forcePlaceholderSize && ( nodeName === "tbody" || nodeName === "tr" ) ) ) { p.height( that.currentItem.innerHeight() - parseInt( that.currentItem.css( "paddingTop" ) || 0, 10 ) - parseInt( that.currentItem.css( "paddingBottom" ) || 0, 10 ) ); } if ( !p.width() ) { p.width( that.currentItem.innerWidth() - parseInt( that.currentItem.css( "paddingLeft" ) || 0, 10 ) - parseInt( that.currentItem.css( "paddingRight" ) || 0, 10 ) ); } } }; } //Create the placeholder that.placeholder = $( o.placeholder.element.call( that.element, that.currentItem ) ); //Append it after the actual current item that.currentItem.after( that.placeholder ); //Update the size of the placeholder (TODO: Logic to fuzzy, see line 316/317) o.placeholder.update( that, that.placeholder ); }, _createTrPlaceholder: function( sourceTr, targetTr ) { var that = this; sourceTr.children().each( function() { $( " ", that.document[ 0 ] ) .attr( "colspan", $( this ).attr( "colspan" ) || 1 ) .appendTo( targetTr ); } ); }, _contactContainers: function( event ) { var i, j, dist, itemWithLeastDistance, posProperty, sizeProperty, cur, nearBottom, floating, axis, innermostContainer = null, innermostIndex = null; // Get innermost container that intersects with item for ( i = this.containers.length - 1; i >= 0; i-- ) { // Never consider a container that's located within the item itself if ( $.contains( this.currentItem[ 0 ], this.containers[ i ].element[ 0 ] ) ) { continue; } if ( this._intersectsWith( this.containers[ i ].containerCache ) ) { // If we've already found a container and it's more "inner" than this, then continue if ( innermostContainer && $.contains( this.containers[ i ].element[ 0 ], innermostContainer.element[ 0 ] ) ) { continue; } innermostContainer = this.containers[ i ]; innermostIndex = i; } else { // container doesn't intersect. trigger "out" event if necessary if ( this.containers[ i ].containerCache.over ) { this.containers[ i ]._trigger( "out", event, this._uiHash( this ) ); this.containers[ i ].containerCache.over = 0; } } } // If no intersecting containers found, return if ( !innermostContainer ) { return; } // Move the item into the container if it's not there already if ( this.containers.length === 1 ) { if ( !this.containers[ innermostIndex ].containerCache.over ) { this.containers[ innermostIndex ]._trigger( "over", event, this._uiHash( this ) ); this.containers[ innermostIndex ].containerCache.over = 1; } } else { // When entering a new container, we will find the item with the least distance and // append our item near it dist = 10000; itemWithLeastDistance = null; floating = innermostContainer.floating || this._isFloating( this.currentItem ); posProperty = floating ? "left" : "top"; sizeProperty = floating ? "width" : "height"; axis = floating ? "pageX" : "pageY"; for ( j = this.items.length - 1; j >= 0; j-- ) { if ( !$.contains( this.containers[ innermostIndex ].element[ 0 ], this.items[ j ].item[ 0 ] ) ) { continue; } if ( this.items[ j ].item[ 0 ] === this.currentItem[ 0 ] ) { continue; } cur = this.items[ j ].item.offset()[ posProperty ]; nearBottom = false; if ( event[ axis ] - cur > this.items[ j ][ sizeProperty ] / 2 ) { nearBottom = true; } if ( Math.abs( event[ axis ] - cur ) < dist ) { dist = Math.abs( event[ axis ] - cur ); itemWithLeastDistance = this.items[ j ]; this.direction = nearBottom ? "up" : "down"; } } //Check if dropOnEmpty is enabled if ( !itemWithLeastDistance && !this.options.dropOnEmpty ) { return; } if ( this.currentContainer === this.containers[ innermostIndex ] ) { if ( !this.currentContainer.containerCache.over ) { this.containers[ innermostIndex ]._trigger( "over", event, this._uiHash() ); this.currentContainer.containerCache.over = 1; } return; } if ( itemWithLeastDistance ) { this._rearrange( event, itemWithLeastDistance, null, true ); } else { this._rearrange( event, null, this.containers[ innermostIndex ].element, true ); } this._trigger( "change", event, this._uiHash() ); this.containers[ innermostIndex ]._trigger( "change", event, this._uiHash( this ) ); this.currentContainer = this.containers[ innermostIndex ]; //Update the placeholder this.options.placeholder.update( this.currentContainer, this.placeholder ); //Update scrollParent this.scrollParent = this.placeholder.scrollParent(); //Update overflowOffset if ( this.scrollParent[ 0 ] !== this.document[ 0 ] && this.scrollParent[ 0 ].tagName !== "HTML" ) { this.overflowOffset = this.scrollParent.offset(); } this.containers[ innermostIndex ]._trigger( "over", event, this._uiHash( this ) ); this.containers[ innermostIndex ].containerCache.over = 1; } }, _createHelper: function( event ) { var o = this.options, helper = typeof o.helper === "function" ? $( o.helper.apply( this.element[ 0 ], [ event, this.currentItem ] ) ) : ( o.helper === "clone" ? this.currentItem.clone() : this.currentItem ); //Add the helper to the DOM if that didn't happen already if ( !helper.parents( "body" ).length ) { this.appendTo[ 0 ].appendChild( helper[ 0 ] ); } if ( helper[ 0 ] === this.currentItem[ 0 ] ) { this._storedCSS = { width: this.currentItem[ 0 ].style.width, height: this.currentItem[ 0 ].style.height, position: this.currentItem.css( "position" ), top: this.currentItem.css( "top" ), left: this.currentItem.css( "left" ) }; } if ( !helper[ 0 ].style.width || o.forceHelperSize ) { helper.width( this.currentItem.width() ); } if ( !helper[ 0 ].style.height || o.forceHelperSize ) { helper.height( this.currentItem.height() ); } return helper; }, _adjustOffsetFromHelper: function( obj ) { if ( typeof obj === "string" ) { obj = obj.split( " " ); } if ( Array.isArray( obj ) ) { obj = { left: +obj[ 0 ], top: +obj[ 1 ] || 0 }; } if ( "left" in obj ) { this.offset.click.left = obj.left + this.margins.left; } if ( "right" in obj ) { this.offset.click.left = this.helperProportions.width - obj.right + this.margins.left; } if ( "top" in obj ) { this.offset.click.top = obj.top + this.margins.top; } if ( "bottom" in obj ) { this.offset.click.top = this.helperProportions.height - obj.bottom + this.margins.top; } }, _getParentOffset: function() { //Get the offsetParent and cache its position this.offsetParent = this.helper.offsetParent(); var po = this.offsetParent.offset(); // This is a special case where we need to modify a offset calculated on start, since the // following happened: // 1. The position of the helper is absolute, so it's position is calculated based on the // next positioned parent // 2. The actual offset parent is a child of the scroll parent, and the scroll parent isn't // the document, which means that the scroll is included in the initial calculation of the // offset of the parent, and never recalculated upon drag if ( this.cssPosition === "absolute" && this.scrollParent[ 0 ] !== this.document[ 0 ] && $.contains( this.scrollParent[ 0 ], this.offsetParent[ 0 ] ) ) { po.left += this.scrollParent.scrollLeft(); po.top += this.scrollParent.scrollTop(); } // This needs to be actually done for all browsers, since pageX/pageY includes this // information with an ugly IE fix if ( this.offsetParent[ 0 ] === this.document[ 0 ].body || ( this.offsetParent[ 0 ].tagName && this.offsetParent[ 0 ].tagName.toLowerCase() === "html" && $.ui.ie ) ) { po = { top: 0, left: 0 }; } return { top: po.top + ( parseInt( this.offsetParent.css( "borderTopWidth" ), 10 ) || 0 ), left: po.left + ( parseInt( this.offsetParent.css( "borderLeftWidth" ), 10 ) || 0 ) }; }, _getRelativeOffset: function() { if ( this.cssPosition === "relative" ) { var p = this.currentItem.position(); return { top: p.top - ( parseInt( this.helper.css( "top" ), 10 ) || 0 ) + this.scrollParent.scrollTop(), left: p.left - ( parseInt( this.helper.css( "left" ), 10 ) || 0 ) + this.scrollParent.scrollLeft() }; } else { return { top: 0, left: 0 }; } }, _cacheMargins: function() { this.margins = { left: ( parseInt( this.currentItem.css( "marginLeft" ), 10 ) || 0 ), top: ( parseInt( this.currentItem.css( "marginTop" ), 10 ) || 0 ) }; }, _cacheHelperProportions: function() { this.helperProportions = { width: this.helper.outerWidth(), height: this.helper.outerHeight() }; }, _setContainment: function() { var ce, co, over, o = this.options; if ( o.containment === "parent" ) { o.containment = this.helper[ 0 ].parentNode; } if ( o.containment === "document" || o.containment === "window" ) { this.containment = [ 0 - this.offset.relative.left - this.offset.parent.left, 0 - this.offset.relative.top - this.offset.parent.top, o.containment === "document" ? this.document.width() : this.window.width() - this.helperProportions.width - this.margins.left, ( o.containment === "document" ? ( this.document.height() || document.body.parentNode.scrollHeight ) : this.window.height() || this.document[ 0 ].body.parentNode.scrollHeight ) - this.helperProportions.height - this.margins.top ]; } if ( !( /^(document|window|parent)$/ ).test( o.containment ) ) { ce = $( o.containment )[ 0 ]; co = $( o.containment ).offset(); over = ( $( ce ).css( "overflow" ) !== "hidden" ); this.containment = [ co.left + ( parseInt( $( ce ).css( "borderLeftWidth" ), 10 ) || 0 ) + ( parseInt( $( ce ).css( "paddingLeft" ), 10 ) || 0 ) - this.margins.left, co.top + ( parseInt( $( ce ).css( "borderTopWidth" ), 10 ) || 0 ) + ( parseInt( $( ce ).css( "paddingTop" ), 10 ) || 0 ) - this.margins.top, co.left + ( over ? Math.max( ce.scrollWidth, ce.offsetWidth ) : ce.offsetWidth ) - ( parseInt( $( ce ).css( "borderLeftWidth" ), 10 ) || 0 ) - ( parseInt( $( ce ).css( "paddingRight" ), 10 ) || 0 ) - this.helperProportions.width - this.margins.left, co.top + ( over ? Math.max( ce.scrollHeight, ce.offsetHeight ) : ce.offsetHeight ) - ( parseInt( $( ce ).css( "borderTopWidth" ), 10 ) || 0 ) - ( parseInt( $( ce ).css( "paddingBottom" ), 10 ) || 0 ) - this.helperProportions.height - this.margins.top ]; } }, _convertPositionTo: function( d, pos ) { if ( !pos ) { pos = this.position; } var mod = d === "absolute" ? 1 : -1, scroll = this.cssPosition === "absolute" && !( this.scrollParent[ 0 ] !== this.document[ 0 ] && $.contains( this.scrollParent[ 0 ], this.offsetParent[ 0 ] ) ) ? this.offsetParent : this.scrollParent, scrollIsRootNode = ( /(html|body)/i ).test( scroll[ 0 ].tagName ); return { top: ( // The absolute mouse position pos.top + // Only for relative positioned nodes: Relative offset from element to offset parent this.offset.relative.top * mod + // The offsetParent's offset without borders (offset + border) this.offset.parent.top * mod - ( ( this.cssPosition === "fixed" ? -this.scrollParent.scrollTop() : ( scrollIsRootNode ? 0 : scroll.scrollTop() ) ) * mod ) ), left: ( // The absolute mouse position pos.left + // Only for relative positioned nodes: Relative offset from element to offset parent this.offset.relative.left * mod + // The offsetParent's offset without borders (offset + border) this.offset.parent.left * mod - ( ( this.cssPosition === "fixed" ? -this.scrollParent.scrollLeft() : scrollIsRootNode ? 0 : scroll.scrollLeft() ) * mod ) ) }; }, _generatePosition: function( event ) { var top, left, o = this.options, pageX = event.pageX, pageY = event.pageY, scroll = this.cssPosition === "absolute" && !( this.scrollParent[ 0 ] !== this.document[ 0 ] && $.contains( this.scrollParent[ 0 ], this.offsetParent[ 0 ] ) ) ? this.offsetParent : this.scrollParent, scrollIsRootNode = ( /(html|body)/i ).test( scroll[ 0 ].tagName ); // This is another very weird special case that only happens for relative elements: // 1. If the css position is relative // 2. and the scroll parent is the document or similar to the offset parent // we have to refresh the relative offset during the scroll so there are no jumps if ( this.cssPosition === "relative" && !( this.scrollParent[ 0 ] !== this.document[ 0 ] && this.scrollParent[ 0 ] !== this.offsetParent[ 0 ] ) ) { this.offset.relative = this._getRelativeOffset(); } /* * - Position constraining - * Constrain the position to a mix of grid, containment. */ if ( this.originalPosition ) { //If we are not dragging yet, we won't check for options if ( this.containment ) { if ( event.pageX - this.offset.click.left < this.containment[ 0 ] ) { pageX = this.containment[ 0 ] + this.offset.click.left; } if ( event.pageY - this.offset.click.top < this.containment[ 1 ] ) { pageY = this.containment[ 1 ] + this.offset.click.top; } if ( event.pageX - this.offset.click.left > this.containment[ 2 ] ) { pageX = this.containment[ 2 ] + this.offset.click.left; } if ( event.pageY - this.offset.click.top > this.containment[ 3 ] ) { pageY = this.containment[ 3 ] + this.offset.click.top; } } if ( o.grid ) { top = this.originalPageY + Math.round( ( pageY - this.originalPageY ) / o.grid[ 1 ] ) * o.grid[ 1 ]; pageY = this.containment ? ( ( top - this.offset.click.top >= this.containment[ 1 ] && top - this.offset.click.top <= this.containment[ 3 ] ) ? top : ( ( top - this.offset.click.top >= this.containment[ 1 ] ) ? top - o.grid[ 1 ] : top + o.grid[ 1 ] ) ) : top; left = this.originalPageX + Math.round( ( pageX - this.originalPageX ) / o.grid[ 0 ] ) * o.grid[ 0 ]; pageX = this.containment ? ( ( left - this.offset.click.left >= this.containment[ 0 ] && left - this.offset.click.left <= this.containment[ 2 ] ) ? left : ( ( left - this.offset.click.left >= this.containment[ 0 ] ) ? left - o.grid[ 0 ] : left + o.grid[ 0 ] ) ) : left; } } return { top: ( // The absolute mouse position pageY - // Click offset (relative to the element) this.offset.click.top - // Only for relative positioned nodes: Relative offset from element to offset parent this.offset.relative.top - // The offsetParent's offset without borders (offset + border) this.offset.parent.top + ( ( this.cssPosition === "fixed" ? -this.scrollParent.scrollTop() : ( scrollIsRootNode ? 0 : scroll.scrollTop() ) ) ) ), left: ( // The absolute mouse position pageX - // Click offset (relative to the element) this.offset.click.left - // Only for relative positioned nodes: Relative offset from element to offset parent this.offset.relative.left - // The offsetParent's offset without borders (offset + border) this.offset.parent.left + ( ( this.cssPosition === "fixed" ? -this.scrollParent.scrollLeft() : scrollIsRootNode ? 0 : scroll.scrollLeft() ) ) ) }; }, _rearrange: function( event, i, a, hardRefresh ) { if ( a ) { a[ 0 ].appendChild( this.placeholder[ 0 ] ); } else { i.item[ 0 ].parentNode.insertBefore( this.placeholder[ 0 ], ( this.direction === "down" ? i.item[ 0 ] : i.item[ 0 ].nextSibling ) ); } //Various things done here to improve the performance: // 1. we create a setTimeout, that calls refreshPositions // 2. on the instance, we have a counter variable, that get's higher after every append // 3. on the local scope, we copy the counter variable, and check in the timeout, // if it's still the same // 4. this lets only the last addition to the timeout stack through this.counter = this.counter ? ++this.counter : 1; var counter = this.counter; this._delay( function() { if ( counter === this.counter ) { //Precompute after each DOM insertion, NOT on mousemove this.refreshPositions( !hardRefresh ); } } ); }, _clear: function( event, noPropagation ) { this.reverting = false; // We delay all events that have to be triggered to after the point where the placeholder // has been removed and everything else normalized again var i, delayedTriggers = []; // We first have to update the dom position of the actual currentItem // Note: don't do it if the current item is already removed (by a user), or it gets // reappended (see #4088) if ( !this._noFinalSort && this.currentItem.parent().length ) { this.placeholder.before( this.currentItem ); } this._noFinalSort = null; if ( this.helper[ 0 ] === this.currentItem[ 0 ] ) { for ( i in this._storedCSS ) { if ( this._storedCSS[ i ] === "auto" || this._storedCSS[ i ] === "static" ) { this._storedCSS[ i ] = ""; } } this.currentItem.css( this._storedCSS ); this._removeClass( this.currentItem, "ui-sortable-helper" ); } else { this.currentItem.show(); } if ( this.fromOutside && !noPropagation ) { delayedTriggers.push( function( event ) { this._trigger( "receive", event, this._uiHash( this.fromOutside ) ); } ); } if ( ( this.fromOutside || this.domPosition.prev !== this.currentItem.prev().not( ".ui-sortable-helper" )[ 0 ] || this.domPosition.parent !== this.currentItem.parent()[ 0 ] ) && !noPropagation ) { // Trigger update callback if the DOM position has changed delayedTriggers.push( function( event ) { this._trigger( "update", event, this._uiHash() ); } ); } // Check if the items Container has Changed and trigger appropriate // events. if ( this !== this.currentContainer ) { if ( !noPropagation ) { delayedTriggers.push( function( event ) { this._trigger( "remove", event, this._uiHash() ); } ); delayedTriggers.push( ( function( c ) { return function( event ) { c._trigger( "receive", event, this._uiHash( this ) ); }; } ).call( this, this.currentContainer ) ); delayedTriggers.push( ( function( c ) { return function( event ) { c._trigger( "update", event, this._uiHash( this ) ); }; } ).call( this, this.currentContainer ) ); } } //Post events to containers function delayEvent( type, instance, container ) { return function( event ) { container._trigger( type, event, instance._uiHash( instance ) ); }; } for ( i = this.containers.length - 1; i >= 0; i-- ) { if ( !noPropagation ) { delayedTriggers.push( delayEvent( "deactivate", this, this.containers[ i ] ) ); } if ( this.containers[ i ].containerCache.over ) { delayedTriggers.push( delayEvent( "out", this, this.containers[ i ] ) ); this.containers[ i ].containerCache.over = 0; } } //Do what was originally in plugins if ( this.storedCursor ) { this.document.find( "body" ).css( "cursor", this.storedCursor ); this.storedStylesheet.remove(); } if ( this._storedOpacity ) { this.helper.css( "opacity", this._storedOpacity ); } if ( this._storedZIndex ) { this.helper.css( "zIndex", this._storedZIndex === "auto" ? "" : this._storedZIndex ); } this.dragging = false; if ( !noPropagation ) { this._trigger( "beforeStop", event, this._uiHash() ); } //$(this.placeholder[0]).remove(); would have been the jQuery way - unfortunately, // it unbinds ALL events from the original node! this.placeholder[ 0 ].parentNode.removeChild( this.placeholder[ 0 ] ); if ( !this.cancelHelperRemoval ) { if ( this.helper[ 0 ] !== this.currentItem[ 0 ] ) { this.helper.remove(); } this.helper = null; } if ( !noPropagation ) { for ( i = 0; i < delayedTriggers.length; i++ ) { // Trigger all delayed events delayedTriggers[ i ].call( this, event ); } this._trigger( "stop", event, this._uiHash() ); } this.fromOutside = false; return !this.cancelHelperRemoval; }, _trigger: function() { if ( $.Widget.prototype._trigger.apply( this, arguments ) === false ) { this.cancel(); } }, _uiHash: function( _inst ) { var inst = _inst || this; return { helper: inst.helper, placeholder: inst.placeholder || $( [] ), position: inst.position, originalPosition: inst.originalPosition, offset: inst.positionAbs, item: inst.currentItem, sender: _inst ? _inst.element : null }; } } ); } );