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+/*!
+ * jQuery UI Draggable 1.13.2
+ * http://jqueryui.com
+ *
+ * Copyright jQuery Foundation and other contributors
+ * Released under the MIT license.
+ * http://jquery.org/license
+ */
+
+//>>label: Draggable
+//>>group: Interactions
+//>>description: Enables dragging functionality for any element.
+//>>docs: http://api.jqueryui.com/draggable/
+//>>demos: http://jqueryui.com/draggable/
+//>>css.structure: ../../themes/base/draggable.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";
+
+$.widget( "ui.draggable", $.ui.mouse, {
+ version: "1.13.2",
+ widgetEventPrefix: "drag",
+ options: {
+ addClasses: true,
+ appendTo: "parent",
+ axis: false,
+ connectToSortable: false,
+ containment: false,
+ cursor: "auto",
+ cursorAt: false,
+ grid: false,
+ handle: false,
+ helper: "original",
+ iframeFix: false,
+ opacity: false,
+ refreshPositions: false,
+ revert: false,
+ revertDuration: 500,
+ scope: "default",
+ scroll: true,
+ scrollSensitivity: 20,
+ scrollSpeed: 20,
+ snap: false,
+ snapMode: "both",
+ snapTolerance: 20,
+ stack: false,
+ zIndex: false,
+
+ // Callbacks
+ drag: null,
+ start: null,
+ stop: null
+ },
+ _create: function() {
+
+ if ( this.options.helper === "original" ) {
+ this._setPositionRelative();
+ }
+ if ( this.options.addClasses ) {
+ this._addClass( "ui-draggable" );
+ }
+ this._setHandleClassName();
+
+ this._mouseInit();
+ },
+
+ _setOption: function( key, value ) {
+ this._super( key, value );
+ if ( key === "handle" ) {
+ this._removeHandleClassName();
+ this._setHandleClassName();
+ }
+ },
+
+ _destroy: function() {
+ if ( ( this.helper || this.element ).is( ".ui-draggable-dragging" ) ) {
+ this.destroyOnClear = true;
+ return;
+ }
+ this._removeHandleClassName();
+ this._mouseDestroy();
+ },
+
+ _mouseCapture: function( event ) {
+ var o = this.options;
+
+ // Among others, prevent a drag on a resizable-handle
+ if ( this.helper || o.disabled ||
+ $( event.target ).closest( ".ui-resizable-handle" ).length > 0 ) {
+ return false;
+ }
+
+ //Quit if we're not on a valid handle
+ this.handle = this._getHandle( event );
+ if ( !this.handle ) {
+ return false;
+ }
+
+ this._blurActiveElement( event );
+
+ this._blockFrames( o.iframeFix === true ? "iframe" : o.iframeFix );
+
+ return true;
+
+ },
+
+ _blockFrames: function( selector ) {
+ this.iframeBlocks = this.document.find( selector ).map( function() {
+ var iframe = $( this );
+
+ return $( "<div>" )
+ .css( "position", "absolute" )
+ .appendTo( iframe.parent() )
+ .outerWidth( iframe.outerWidth() )
+ .outerHeight( iframe.outerHeight() )
+ .offset( iframe.offset() )[ 0 ];
+ } );
+ },
+
+ _unblockFrames: function() {
+ if ( this.iframeBlocks ) {
+ this.iframeBlocks.remove();
+ delete this.iframeBlocks;
+ }
+ },
+
+ _blurActiveElement: function( event ) {
+ var activeElement = $.ui.safeActiveElement( this.document[ 0 ] ),
+ target = $( event.target );
+
+ // Don't blur if the event occurred on an element that is within
+ // the currently focused element
+ // See #10527, #12472
+ if ( target.closest( activeElement ).length ) {
+ return;
+ }
+
+ // Blur any element that currently has focus, see #4261
+ $.ui.safeBlur( activeElement );
+ },
+
+ _mouseStart: function( event ) {
+
+ var o = this.options;
+
+ //Create and append the visible helper
+ this.helper = this._createHelper( event );
+
+ this._addClass( this.helper, "ui-draggable-dragging" );
+
+ //Cache the helper size
+ this._cacheHelperProportions();
+
+ //If ddmanager is used for droppables, set the global draggable
+ if ( $.ui.ddmanager ) {
+ $.ui.ddmanager.current = this;
+ }
+
+ /*
+ * - Position generation -
+ * This block generates everything position related - it's the core of draggables.
+ */
+
+ //Cache the margins of the original element
+ this._cacheMargins();
+
+ //Store the helper's css position
+ this.cssPosition = this.helper.css( "position" );
+ this.scrollParent = this.helper.scrollParent( true );
+ this.offsetParent = this.helper.offsetParent();
+ this.hasFixedAncestor = this.helper.parents().filter( function() {
+ return $( this ).css( "position" ) === "fixed";
+ } ).length > 0;
+
+ //The element's absolute position on the page minus margins
+ this.positionAbs = this.element.offset();
+ this._refreshOffsets( event );
+
+ //Generate the original position
+ this.originalPosition = this.position = this._generatePosition( event, false );
+ this.originalPageX = event.pageX;
+ this.originalPageY = event.pageY;
+
+ //Adjust the mouse offset relative to the helper if "cursorAt" is supplied
+ if ( o.cursorAt ) {
+ this._adjustOffsetFromHelper( o.cursorAt );
+ }
+
+ //Set a containment if given in the options
+ this._setContainment();
+
+ //Trigger event + callbacks
+ if ( this._trigger( "start", event ) === false ) {
+ this._clear();
+ return false;
+ }
+
+ //Recache the helper size
+ this._cacheHelperProportions();
+
+ //Prepare the droppable offsets
+ if ( $.ui.ddmanager && !o.dropBehaviour ) {
+ $.ui.ddmanager.prepareOffsets( this, event );
+ }
+
+ // Execute the drag once - this causes the helper not to be visible before getting its
+ // correct position
+ this._mouseDrag( event, true );
+
+ // If the ddmanager is used for droppables, inform the manager that dragging has started
+ // (see #5003)
+ if ( $.ui.ddmanager ) {
+ $.ui.ddmanager.dragStart( this, event );
+ }
+
+ return true;
+ },
+
+ _refreshOffsets: function( event ) {
+ this.offset = {
+ top: this.positionAbs.top - this.margins.top,
+ left: this.positionAbs.left - this.margins.left,
+ scroll: false,
+ parent: this._getParentOffset(),
+ relative: this._getRelativeOffset()
+ };
+
+ this.offset.click = {
+ left: event.pageX - this.offset.left,
+ top: event.pageY - this.offset.top
+ };
+ },
+
+ _mouseDrag: function( event, noPropagation ) {
+
+ // reset any necessary cached properties (see #5009)
+ if ( this.hasFixedAncestor ) {
+ this.offset.parent = this._getParentOffset();
+ }
+
+ //Compute the helpers position
+ this.position = this._generatePosition( event, true );
+ this.positionAbs = this._convertPositionTo( "absolute" );
+
+ //Call plugins and callbacks and use the resulting position if something is returned
+ if ( !noPropagation ) {
+ var ui = this._uiHash();
+ if ( this._trigger( "drag", event, ui ) === false ) {
+ this._mouseUp( new $.Event( "mouseup", event ) );
+ return false;
+ }
+ this.position = ui.position;
+ }
+
+ this.helper[ 0 ].style.left = this.position.left + "px";
+ this.helper[ 0 ].style.top = this.position.top + "px";
+
+ if ( $.ui.ddmanager ) {
+ $.ui.ddmanager.drag( this, event );
+ }
+
+ return false;
+ },
+
+ _mouseStop: function( event ) {
+
+ //If we are using droppables, inform the manager about the drop
+ var that = this,
+ dropped = false;
+ if ( $.ui.ddmanager && !this.options.dropBehaviour ) {
+ dropped = $.ui.ddmanager.drop( this, event );
+ }
+
+ //if a drop comes from outside (a sortable)
+ if ( this.dropped ) {
+ dropped = this.dropped;
+ this.dropped = false;
+ }
+
+ if ( ( this.options.revert === "invalid" && !dropped ) ||
+ ( this.options.revert === "valid" && dropped ) ||
+ this.options.revert === true || ( typeof this.options.revert === "function" &&
+ this.options.revert.call( this.element, dropped ) )
+ ) {
+ $( this.helper ).animate(
+ this.originalPosition,
+ parseInt( this.options.revertDuration, 10 ),
+ function() {
+ if ( that._trigger( "stop", event ) !== false ) {
+ that._clear();
+ }
+ }
+ );
+ } else {
+ if ( this._trigger( "stop", event ) !== false ) {
+ this._clear();
+ }
+ }
+
+ return false;
+ },
+
+ _mouseUp: function( event ) {
+ this._unblockFrames();
+
+ // If the ddmanager is used for droppables, inform the manager that dragging has stopped
+ // (see #5003)
+ if ( $.ui.ddmanager ) {
+ $.ui.ddmanager.dragStop( this, event );
+ }
+
+ // Only need to focus if the event occurred on the draggable itself, see #10527
+ if ( this.handleElement.is( event.target ) ) {
+
+ // The interaction is over; whether or not the click resulted in a drag,
+ // focus the element
+ this.element.trigger( "focus" );
+ }
+
+ return $.ui.mouse.prototype._mouseUp.call( this, event );
+ },
+
+ cancel: function() {
+
+ if ( this.helper.is( ".ui-draggable-dragging" ) ) {
+ this._mouseUp( new $.Event( "mouseup", { target: this.element[ 0 ] } ) );
+ } else {
+ this._clear();
+ }
+
+ return this;
+
+ },
+
+ _getHandle: function( event ) {
+ return this.options.handle ?
+ !!$( event.target ).closest( this.element.find( this.options.handle ) ).length :
+ true;
+ },
+
+ _setHandleClassName: function() {
+ this.handleElement = this.options.handle ?
+ this.element.find( this.options.handle ) : this.element;
+ this._addClass( this.handleElement, "ui-draggable-handle" );
+ },
+
+ _removeHandleClassName: function() {
+ this._removeClass( this.handleElement, "ui-draggable-handle" );
+ },
+
+ _createHelper: function( event ) {
+
+ var o = this.options,
+ helperIsFunction = typeof o.helper === "function",
+ helper = helperIsFunction ?
+ $( o.helper.apply( this.element[ 0 ], [ event ] ) ) :
+ ( o.helper === "clone" ?
+ this.element.clone().removeAttr( "id" ) :
+ this.element );
+
+ if ( !helper.parents( "body" ).length ) {
+ helper.appendTo( ( o.appendTo === "parent" ?
+ this.element[ 0 ].parentNode :
+ o.appendTo ) );
+ }
+
+ // Http://bugs.jqueryui.com/ticket/9446
+ // a helper function can return the original element
+ // which wouldn't have been set to relative in _create
+ if ( helperIsFunction && helper[ 0 ] === this.element[ 0 ] ) {
+ this._setPositionRelative();
+ }
+
+ if ( helper[ 0 ] !== this.element[ 0 ] &&
+ !( /(fixed|absolute)/ ).test( helper.css( "position" ) ) ) {
+ helper.css( "position", "absolute" );
+ }
+
+ return helper;
+
+ },
+
+ _setPositionRelative: function() {
+ if ( !( /^(?:r|a|f)/ ).test( this.element.css( "position" ) ) ) {
+ this.element[ 0 ].style.position = "relative";
+ }
+ },
+
+ _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;
+ }
+ },
+
+ _isRootNode: function( element ) {
+ return ( /(html|body)/i ).test( element.tagName ) || element === this.document[ 0 ];
+ },
+
+ _getParentOffset: function() {
+
+ //Get the offsetParent and cache its position
+ var po = this.offsetParent.offset(),
+ document = this.document[ 0 ];
+
+ // 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 ] !== document &&
+ $.contains( this.scrollParent[ 0 ], this.offsetParent[ 0 ] ) ) {
+ po.left += this.scrollParent.scrollLeft();
+ po.top += this.scrollParent.scrollTop();
+ }
+
+ if ( this._isRootNode( this.offsetParent[ 0 ] ) ) {
+ 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" ) {
+ return { top: 0, left: 0 };
+ }
+
+ var p = this.element.position(),
+ scrollIsRootNode = this._isRootNode( this.scrollParent[ 0 ] );
+
+ return {
+ top: p.top - ( parseInt( this.helper.css( "top" ), 10 ) || 0 ) +
+ ( !scrollIsRootNode ? this.scrollParent.scrollTop() : 0 ),
+ left: p.left - ( parseInt( this.helper.css( "left" ), 10 ) || 0 ) +
+ ( !scrollIsRootNode ? this.scrollParent.scrollLeft() : 0 )
+ };
+
+ },
+
+ _cacheMargins: function() {
+ this.margins = {
+ left: ( parseInt( this.element.css( "marginLeft" ), 10 ) || 0 ),
+ top: ( parseInt( this.element.css( "marginTop" ), 10 ) || 0 ),
+ right: ( parseInt( this.element.css( "marginRight" ), 10 ) || 0 ),
+ bottom: ( parseInt( this.element.css( "marginBottom" ), 10 ) || 0 )
+ };
+ },
+
+ _cacheHelperProportions: function() {
+ this.helperProportions = {
+ width: this.helper.outerWidth(),
+ height: this.helper.outerHeight()
+ };
+ },
+
+ _setContainment: function() {
+
+ var isUserScrollable, c, ce,
+ o = this.options,
+ document = this.document[ 0 ];
+
+ this.relativeContainer = null;
+
+ if ( !o.containment ) {
+ this.containment = null;
+ return;
+ }
+
+ if ( o.containment === "window" ) {
+ this.containment = [
+ $( window ).scrollLeft() - this.offset.relative.left - this.offset.parent.left,
+ $( window ).scrollTop() - this.offset.relative.top - this.offset.parent.top,
+ $( window ).scrollLeft() + $( window ).width() -
+ this.helperProportions.width - this.margins.left,
+ $( window ).scrollTop() +
+ ( $( window ).height() || document.body.parentNode.scrollHeight ) -
+ this.helperProportions.height - this.margins.top
+ ];
+ return;
+ }
+
+ if ( o.containment === "document" ) {
+ this.containment = [
+ 0,
+ 0,
+ $( document ).width() - this.helperProportions.width - this.margins.left,
+ ( $( document ).height() || document.body.parentNode.scrollHeight ) -
+ this.helperProportions.height - this.margins.top
+ ];
+ return;
+ }
+
+ if ( o.containment.constructor === Array ) {
+ this.containment = o.containment;
+ return;
+ }
+
+ if ( o.containment === "parent" ) {
+ o.containment = this.helper[ 0 ].parentNode;
+ }
+
+ c = $( o.containment );
+ ce = c[ 0 ];
+
+ if ( !ce ) {
+ return;
+ }
+
+ isUserScrollable = /(scroll|auto)/.test( c.css( "overflow" ) );
+
+ this.containment = [
+ ( parseInt( c.css( "borderLeftWidth" ), 10 ) || 0 ) +
+ ( parseInt( c.css( "paddingLeft" ), 10 ) || 0 ),
+ ( parseInt( c.css( "borderTopWidth" ), 10 ) || 0 ) +
+ ( parseInt( c.css( "paddingTop" ), 10 ) || 0 ),
+ ( isUserScrollable ? Math.max( ce.scrollWidth, ce.offsetWidth ) : ce.offsetWidth ) -
+ ( parseInt( c.css( "borderRightWidth" ), 10 ) || 0 ) -
+ ( parseInt( c.css( "paddingRight" ), 10 ) || 0 ) -
+ this.helperProportions.width -
+ this.margins.left -
+ this.margins.right,
+ ( isUserScrollable ? Math.max( ce.scrollHeight, ce.offsetHeight ) : ce.offsetHeight ) -
+ ( parseInt( c.css( "borderBottomWidth" ), 10 ) || 0 ) -
+ ( parseInt( c.css( "paddingBottom" ), 10 ) || 0 ) -
+ this.helperProportions.height -
+ this.margins.top -
+ this.margins.bottom
+ ];
+ this.relativeContainer = c;
+ },
+
+ _convertPositionTo: function( d, pos ) {
+
+ if ( !pos ) {
+ pos = this.position;
+ }
+
+ var mod = d === "absolute" ? 1 : -1,
+ scrollIsRootNode = this._isRootNode( this.scrollParent[ 0 ] );
+
+ 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.offset.scroll.top :
+ ( scrollIsRootNode ? 0 : this.offset.scroll.top ) ) * 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.offset.scroll.left :
+ ( scrollIsRootNode ? 0 : this.offset.scroll.left ) ) * mod )
+ )
+ };
+
+ },
+
+ _generatePosition: function( event, constrainPosition ) {
+
+ var containment, co, top, left,
+ o = this.options,
+ scrollIsRootNode = this._isRootNode( this.scrollParent[ 0 ] ),
+ pageX = event.pageX,
+ pageY = event.pageY;
+
+ // Cache the scroll
+ if ( !scrollIsRootNode || !this.offset.scroll ) {
+ this.offset.scroll = {
+ top: this.scrollParent.scrollTop(),
+ left: this.scrollParent.scrollLeft()
+ };
+ }
+
+ /*
+ * - Position constraining -
+ * Constrain the position to a mix of grid, containment.
+ */
+
+ // If we are not dragging yet, we won't check for options
+ if ( constrainPosition ) {
+ if ( this.containment ) {
+ if ( this.relativeContainer ) {
+ co = this.relativeContainer.offset();
+ containment = [
+ this.containment[ 0 ] + co.left,
+ this.containment[ 1 ] + co.top,
+ this.containment[ 2 ] + co.left,
+ this.containment[ 3 ] + co.top
+ ];
+ } else {
+ containment = this.containment;
+ }
+
+ if ( event.pageX - this.offset.click.left < containment[ 0 ] ) {
+ pageX = containment[ 0 ] + this.offset.click.left;
+ }
+ if ( event.pageY - this.offset.click.top < containment[ 1 ] ) {
+ pageY = containment[ 1 ] + this.offset.click.top;
+ }
+ if ( event.pageX - this.offset.click.left > containment[ 2 ] ) {
+ pageX = containment[ 2 ] + this.offset.click.left;
+ }
+ if ( event.pageY - this.offset.click.top > containment[ 3 ] ) {
+ pageY = containment[ 3 ] + this.offset.click.top;
+ }
+ }
+
+ if ( o.grid ) {
+
+ //Check for grid elements set to 0 to prevent divide by 0 error causing invalid
+ // argument errors in IE (see ticket #6950)
+ top = o.grid[ 1 ] ? this.originalPageY + Math.round( ( pageY -
+ this.originalPageY ) / o.grid[ 1 ] ) * o.grid[ 1 ] : this.originalPageY;
+ pageY = containment ? ( ( top - this.offset.click.top >= containment[ 1 ] ||
+ top - this.offset.click.top > containment[ 3 ] ) ?
+ top :
+ ( ( top - this.offset.click.top >= containment[ 1 ] ) ?
+ top - o.grid[ 1 ] : top + o.grid[ 1 ] ) ) : top;
+
+ left = o.grid[ 0 ] ? this.originalPageX +
+ Math.round( ( pageX - this.originalPageX ) / o.grid[ 0 ] ) * o.grid[ 0 ] :
+ this.originalPageX;
+ pageX = containment ? ( ( left - this.offset.click.left >= containment[ 0 ] ||
+ left - this.offset.click.left > containment[ 2 ] ) ?
+ left :
+ ( ( left - this.offset.click.left >= containment[ 0 ] ) ?
+ left - o.grid[ 0 ] : left + o.grid[ 0 ] ) ) : left;
+ }
+
+ if ( o.axis === "y" ) {
+ pageX = this.originalPageX;
+ }
+
+ if ( o.axis === "x" ) {
+ pageY = this.originalPageY;
+ }
+ }
+
+ 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.offset.scroll.top :
+ ( scrollIsRootNode ? 0 : this.offset.scroll.top ) )
+ ),
+ 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.offset.scroll.left :
+ ( scrollIsRootNode ? 0 : this.offset.scroll.left ) )
+ )
+ };
+
+ },
+
+ _clear: function() {
+ this._removeClass( this.helper, "ui-draggable-dragging" );
+ if ( this.helper[ 0 ] !== this.element[ 0 ] && !this.cancelHelperRemoval ) {
+ this.helper.remove();
+ }
+ this.helper = null;
+ this.cancelHelperRemoval = false;
+ if ( this.destroyOnClear ) {
+ this.destroy();
+ }
+ },
+
+ // From now on bulk stuff - mainly helpers
+
+ _trigger: function( type, event, ui ) {
+ ui = ui || this._uiHash();
+ $.ui.plugin.call( this, type, [ event, ui, this ], true );
+
+ // Absolute position and offset (see #6884 ) have to be recalculated after plugins
+ if ( /^(drag|start|stop)/.test( type ) ) {
+ this.positionAbs = this._convertPositionTo( "absolute" );
+ ui.offset = this.positionAbs;
+ }
+ return $.Widget.prototype._trigger.call( this, type, event, ui );
+ },
+
+ plugins: {},
+
+ _uiHash: function() {
+ return {
+ helper: this.helper,
+ position: this.position,
+ originalPosition: this.originalPosition,
+ offset: this.positionAbs
+ };
+ }
+
+} );
+
+$.ui.plugin.add( "draggable", "connectToSortable", {
+ start: function( event, ui, draggable ) {
+ var uiSortable = $.extend( {}, ui, {
+ item: draggable.element
+ } );
+
+ draggable.sortables = [];
+ $( draggable.options.connectToSortable ).each( function() {
+ var sortable = $( this ).sortable( "instance" );
+
+ if ( sortable && !sortable.options.disabled ) {
+ draggable.sortables.push( sortable );
+
+ // RefreshPositions is called at drag start to refresh the containerCache
+ // which is used in drag. This ensures it's initialized and synchronized
+ // with any changes that might have happened on the page since initialization.
+ sortable.refreshPositions();
+ sortable._trigger( "activate", event, uiSortable );
+ }
+ } );
+ },
+ stop: function( event, ui, draggable ) {
+ var uiSortable = $.extend( {}, ui, {
+ item: draggable.element
+ } );
+
+ draggable.cancelHelperRemoval = false;
+
+ $.each( draggable.sortables, function() {
+ var sortable = this;
+
+ if ( sortable.isOver ) {
+ sortable.isOver = 0;
+
+ // Allow this sortable to handle removing the helper
+ draggable.cancelHelperRemoval = true;
+ sortable.cancelHelperRemoval = false;
+
+ // Use _storedCSS To restore properties in the sortable,
+ // as this also handles revert (#9675) since the draggable
+ // may have modified them in unexpected ways (#8809)
+ sortable._storedCSS = {
+ position: sortable.placeholder.css( "position" ),
+ top: sortable.placeholder.css( "top" ),
+ left: sortable.placeholder.css( "left" )
+ };
+
+ sortable._mouseStop( event );
+
+ // Once drag has ended, the sortable should return to using
+ // its original helper, not the shared helper from draggable
+ sortable.options.helper = sortable.options._helper;
+ } else {
+
+ // Prevent this Sortable from removing the helper.
+ // However, don't set the draggable to remove the helper
+ // either as another connected Sortable may yet handle the removal.
+ sortable.cancelHelperRemoval = true;
+
+ sortable._trigger( "deactivate", event, uiSortable );
+ }
+ } );
+ },
+ drag: function( event, ui, draggable ) {
+ $.each( draggable.sortables, function() {
+ var innermostIntersecting = false,
+ sortable = this;
+
+ // Copy over variables that sortable's _intersectsWith uses
+ sortable.positionAbs = draggable.positionAbs;
+ sortable.helperProportions = draggable.helperProportions;
+ sortable.offset.click = draggable.offset.click;
+
+ if ( sortable._intersectsWith( sortable.containerCache ) ) {
+ innermostIntersecting = true;
+
+ $.each( draggable.sortables, function() {
+
+ // Copy over variables that sortable's _intersectsWith uses
+ this.positionAbs = draggable.positionAbs;
+ this.helperProportions = draggable.helperProportions;
+ this.offset.click = draggable.offset.click;
+
+ if ( this !== sortable &&
+ this._intersectsWith( this.containerCache ) &&
+ $.contains( sortable.element[ 0 ], this.element[ 0 ] ) ) {
+ innermostIntersecting = false;
+ }
+
+ return innermostIntersecting;
+ } );
+ }
+
+ if ( innermostIntersecting ) {
+
+ // If it intersects, we use a little isOver variable and set it once,
+ // so that the move-in stuff gets fired only once.
+ if ( !sortable.isOver ) {
+ sortable.isOver = 1;
+
+ // Store draggable's parent in case we need to reappend to it later.
+ draggable._parent = ui.helper.parent();
+
+ sortable.currentItem = ui.helper
+ .appendTo( sortable.element )
+ .data( "ui-sortable-item", true );
+
+ // Store helper option to later restore it
+ sortable.options._helper = sortable.options.helper;
+
+ sortable.options.helper = function() {
+ return ui.helper[ 0 ];
+ };
+
+ // Fire the start events of the sortable with our passed browser event,
+ // and our own helper (so it doesn't create a new one)
+ event.target = sortable.currentItem[ 0 ];
+ sortable._mouseCapture( event, true );
+ sortable._mouseStart( event, true, true );
+
+ // Because the browser event is way off the new appended portlet,
+ // modify necessary variables to reflect the changes
+ sortable.offset.click.top = draggable.offset.click.top;
+ sortable.offset.click.left = draggable.offset.click.left;
+ sortable.offset.parent.left -= draggable.offset.parent.left -
+ sortable.offset.parent.left;
+ sortable.offset.parent.top -= draggable.offset.parent.top -
+ sortable.offset.parent.top;
+
+ draggable._trigger( "toSortable", event );
+
+ // Inform draggable that the helper is in a valid drop zone,
+ // used solely in the revert option to handle "valid/invalid".
+ draggable.dropped = sortable.element;
+
+ // Need to refreshPositions of all sortables in the case that
+ // adding to one sortable changes the location of the other sortables (#9675)
+ $.each( draggable.sortables, function() {
+ this.refreshPositions();
+ } );
+
+ // Hack so receive/update callbacks work (mostly)
+ draggable.currentItem = draggable.element;
+ sortable.fromOutside = draggable;
+ }
+
+ if ( sortable.currentItem ) {
+ sortable._mouseDrag( event );
+
+ // Copy the sortable's position because the draggable's can potentially reflect
+ // a relative position, while sortable is always absolute, which the dragged
+ // element has now become. (#8809)
+ ui.position = sortable.position;
+ }
+ } else {
+
+ // If it doesn't intersect with the sortable, and it intersected before,
+ // we fake the drag stop of the sortable, but make sure it doesn't remove
+ // the helper by using cancelHelperRemoval.
+ if ( sortable.isOver ) {
+
+ sortable.isOver = 0;
+ sortable.cancelHelperRemoval = true;
+
+ // Calling sortable's mouseStop would trigger a revert,
+ // so revert must be temporarily false until after mouseStop is called.
+ sortable.options._revert = sortable.options.revert;
+ sortable.options.revert = false;
+
+ sortable._trigger( "out", event, sortable._uiHash( sortable ) );
+ sortable._mouseStop( event, true );
+
+ // Restore sortable behaviors that were modfied
+ // when the draggable entered the sortable area (#9481)
+ sortable.options.revert = sortable.options._revert;
+ sortable.options.helper = sortable.options._helper;
+
+ if ( sortable.placeholder ) {
+ sortable.placeholder.remove();
+ }
+
+ // Restore and recalculate the draggable's offset considering the sortable
+ // may have modified them in unexpected ways. (#8809, #10669)
+ ui.helper.appendTo( draggable._parent );
+ draggable._refreshOffsets( event );
+ ui.position = draggable._generatePosition( event, true );
+
+ draggable._trigger( "fromSortable", event );
+
+ // Inform draggable that the helper is no longer in a valid drop zone
+ draggable.dropped = false;
+
+ // Need to refreshPositions of all sortables just in case removing
+ // from one sortable changes the location of other sortables (#9675)
+ $.each( draggable.sortables, function() {
+ this.refreshPositions();
+ } );
+ }
+ }
+ } );
+ }
+} );
+
+$.ui.plugin.add( "draggable", "cursor", {
+ start: function( event, ui, instance ) {
+ var t = $( "body" ),
+ o = instance.options;
+
+ if ( t.css( "cursor" ) ) {
+ o._cursor = t.css( "cursor" );
+ }
+ t.css( "cursor", o.cursor );
+ },
+ stop: function( event, ui, instance ) {
+ var o = instance.options;
+ if ( o._cursor ) {
+ $( "body" ).css( "cursor", o._cursor );
+ }
+ }
+} );
+
+$.ui.plugin.add( "draggable", "opacity", {
+ start: function( event, ui, instance ) {
+ var t = $( ui.helper ),
+ o = instance.options;
+ if ( t.css( "opacity" ) ) {
+ o._opacity = t.css( "opacity" );
+ }
+ t.css( "opacity", o.opacity );
+ },
+ stop: function( event, ui, instance ) {
+ var o = instance.options;
+ if ( o._opacity ) {
+ $( ui.helper ).css( "opacity", o._opacity );
+ }
+ }
+} );
+
+$.ui.plugin.add( "draggable", "scroll", {
+ start: function( event, ui, i ) {
+ if ( !i.scrollParentNotHidden ) {
+ i.scrollParentNotHidden = i.helper.scrollParent( false );
+ }
+
+ if ( i.scrollParentNotHidden[ 0 ] !== i.document[ 0 ] &&
+ i.scrollParentNotHidden[ 0 ].tagName !== "HTML" ) {
+ i.overflowOffset = i.scrollParentNotHidden.offset();
+ }
+ },
+ drag: function( event, ui, i ) {
+
+ var o = i.options,
+ scrolled = false,
+ scrollParent = i.scrollParentNotHidden[ 0 ],
+ document = i.document[ 0 ];
+
+ if ( scrollParent !== document && scrollParent.tagName !== "HTML" ) {
+ if ( !o.axis || o.axis !== "x" ) {
+ if ( ( i.overflowOffset.top + scrollParent.offsetHeight ) - event.pageY <
+ o.scrollSensitivity ) {
+ scrollParent.scrollTop = scrolled = scrollParent.scrollTop + o.scrollSpeed;
+ } else if ( event.pageY - i.overflowOffset.top < o.scrollSensitivity ) {
+ scrollParent.scrollTop = scrolled = scrollParent.scrollTop - o.scrollSpeed;
+ }
+ }
+
+ if ( !o.axis || o.axis !== "y" ) {
+ if ( ( i.overflowOffset.left + scrollParent.offsetWidth ) - event.pageX <
+ o.scrollSensitivity ) {
+ scrollParent.scrollLeft = scrolled = scrollParent.scrollLeft + o.scrollSpeed;
+ } else if ( event.pageX - i.overflowOffset.left < o.scrollSensitivity ) {
+ scrollParent.scrollLeft = scrolled = scrollParent.scrollLeft - o.scrollSpeed;
+ }
+ }
+
+ } else {
+
+ if ( !o.axis || o.axis !== "x" ) {
+ if ( event.pageY - $( document ).scrollTop() < o.scrollSensitivity ) {
+ scrolled = $( document ).scrollTop( $( document ).scrollTop() - o.scrollSpeed );
+ } else if ( $( window ).height() - ( event.pageY - $( document ).scrollTop() ) <
+ o.scrollSensitivity ) {
+ scrolled = $( document ).scrollTop( $( document ).scrollTop() + o.scrollSpeed );
+ }
+ }
+
+ if ( !o.axis || o.axis !== "y" ) {
+ if ( event.pageX - $( document ).scrollLeft() < o.scrollSensitivity ) {
+ scrolled = $( document ).scrollLeft(
+ $( document ).scrollLeft() - o.scrollSpeed
+ );
+ } else if ( $( window ).width() - ( event.pageX - $( document ).scrollLeft() ) <
+ o.scrollSensitivity ) {
+ scrolled = $( document ).scrollLeft(
+ $( document ).scrollLeft() + o.scrollSpeed
+ );
+ }
+ }
+
+ }
+
+ if ( scrolled !== false && $.ui.ddmanager && !o.dropBehaviour ) {
+ $.ui.ddmanager.prepareOffsets( i, event );
+ }
+
+ }
+} );
+
+$.ui.plugin.add( "draggable", "snap", {
+ start: function( event, ui, i ) {
+
+ var o = i.options;
+
+ i.snapElements = [];
+
+ $( o.snap.constructor !== String ? ( o.snap.items || ":data(ui-draggable)" ) : o.snap )
+ .each( function() {
+ var $t = $( this ),
+ $o = $t.offset();
+ if ( this !== i.element[ 0 ] ) {
+ i.snapElements.push( {
+ item: this,
+ width: $t.outerWidth(), height: $t.outerHeight(),
+ top: $o.top, left: $o.left
+ } );
+ }
+ } );
+
+ },
+ drag: function( event, ui, inst ) {
+
+ var ts, bs, ls, rs, l, r, t, b, i, first,
+ o = inst.options,
+ d = o.snapTolerance,
+ x1 = ui.offset.left, x2 = x1 + inst.helperProportions.width,
+ y1 = ui.offset.top, y2 = y1 + inst.helperProportions.height;
+
+ for ( i = inst.snapElements.length - 1; i >= 0; i-- ) {
+
+ l = inst.snapElements[ i ].left - inst.margins.left;
+ r = l + inst.snapElements[ i ].width;
+ t = inst.snapElements[ i ].top - inst.margins.top;
+ b = t + inst.snapElements[ i ].height;
+
+ if ( x2 < l - d || x1 > r + d || y2 < t - d || y1 > b + d ||
+ !$.contains( inst.snapElements[ i ].item.ownerDocument,
+ inst.snapElements[ i ].item ) ) {
+ if ( inst.snapElements[ i ].snapping ) {
+ if ( inst.options.snap.release ) {
+ inst.options.snap.release.call(
+ inst.element,
+ event,
+ $.extend( inst._uiHash(), { snapItem: inst.snapElements[ i ].item } )
+ );
+ }
+ }
+ inst.snapElements[ i ].snapping = false;
+ continue;
+ }
+
+ if ( o.snapMode !== "inner" ) {
+ ts = Math.abs( t - y2 ) <= d;
+ bs = Math.abs( b - y1 ) <= d;
+ ls = Math.abs( l - x2 ) <= d;
+ rs = Math.abs( r - x1 ) <= d;
+ if ( ts ) {
+ ui.position.top = inst._convertPositionTo( "relative", {
+ top: t - inst.helperProportions.height,
+ left: 0
+ } ).top;
+ }
+ if ( bs ) {
+ ui.position.top = inst._convertPositionTo( "relative", {
+ top: b,
+ left: 0
+ } ).top;
+ }
+ if ( ls ) {
+ ui.position.left = inst._convertPositionTo( "relative", {
+ top: 0,
+ left: l - inst.helperProportions.width
+ } ).left;
+ }
+ if ( rs ) {
+ ui.position.left = inst._convertPositionTo( "relative", {
+ top: 0,
+ left: r
+ } ).left;
+ }
+ }
+
+ first = ( ts || bs || ls || rs );
+
+ if ( o.snapMode !== "outer" ) {
+ ts = Math.abs( t - y1 ) <= d;
+ bs = Math.abs( b - y2 ) <= d;
+ ls = Math.abs( l - x1 ) <= d;
+ rs = Math.abs( r - x2 ) <= d;
+ if ( ts ) {
+ ui.position.top = inst._convertPositionTo( "relative", {
+ top: t,
+ left: 0
+ } ).top;
+ }
+ if ( bs ) {
+ ui.position.top = inst._convertPositionTo( "relative", {
+ top: b - inst.helperProportions.height,
+ left: 0
+ } ).top;
+ }
+ if ( ls ) {
+ ui.position.left = inst._convertPositionTo( "relative", {
+ top: 0,
+ left: l
+ } ).left;
+ }
+ if ( rs ) {
+ ui.position.left = inst._convertPositionTo( "relative", {
+ top: 0,
+ left: r - inst.helperProportions.width
+ } ).left;
+ }
+ }
+
+ if ( !inst.snapElements[ i ].snapping && ( ts || bs || ls || rs || first ) ) {
+ if ( inst.options.snap.snap ) {
+ inst.options.snap.snap.call(
+ inst.element,
+ event,
+ $.extend( inst._uiHash(), {
+ snapItem: inst.snapElements[ i ].item
+ } ) );
+ }
+ }
+ inst.snapElements[ i ].snapping = ( ts || bs || ls || rs || first );
+
+ }
+
+ }
+} );
+
+$.ui.plugin.add( "draggable", "stack", {
+ start: function( event, ui, instance ) {
+ var min,
+ o = instance.options,
+ group = $.makeArray( $( o.stack ) ).sort( function( a, b ) {
+ return ( parseInt( $( a ).css( "zIndex" ), 10 ) || 0 ) -
+ ( parseInt( $( b ).css( "zIndex" ), 10 ) || 0 );
+ } );
+
+ if ( !group.length ) {
+ return;
+ }
+
+ min = parseInt( $( group[ 0 ] ).css( "zIndex" ), 10 ) || 0;
+ $( group ).each( function( i ) {
+ $( this ).css( "zIndex", min + i );
+ } );
+ this.css( "zIndex", ( min + group.length ) );
+ }
+} );
+
+$.ui.plugin.add( "draggable", "zIndex", {
+ start: function( event, ui, instance ) {
+ var t = $( ui.helper ),
+ o = instance.options;
+
+ if ( t.css( "zIndex" ) ) {
+ o._zIndex = t.css( "zIndex" );
+ }
+ t.css( "zIndex", o.zIndex );
+ },
+ stop: function( event, ui, instance ) {
+ var o = instance.options;
+
+ if ( o._zIndex ) {
+ $( ui.helper ).css( "zIndex", o._zIndex );
+ }
+ }
+} );
+
+return $.ui.draggable;
+
+} );
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-10 04:42:50 +0000