--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/wp/wp-includes/js/jquery/ui/droppable.js Wed Sep 21 18:19:35 2022 +0200
@@ -0,0 +1,496 @@
+/*!
+ * jQuery UI Droppable 1.12.1
+ * http://jqueryui.com
+ *
+ * Copyright jQuery Foundation and other contributors
+ * Released under the MIT license.
+ * http://jquery.org/license
+ */
+
+//>>label: Droppable
+//>>group: Interactions
+//>>description: Enables drop targets for draggable elements.
+//>>docs: http://api.jqueryui.com/droppable/
+//>>demos: http://jqueryui.com/droppable/
+
+( function( factory ) {
+ if ( typeof define === "function" && define.amd ) {
+
+ // AMD. Register as an anonymous module.
+ define( [
+ "jquery",
+ "./draggable",
+ "./mouse",
+ "./core"
+ ], factory );
+ } else {
+
+ // Browser globals
+ factory( jQuery );
+ }
+}( function( $ ) {
+
+$.widget( "ui.droppable", {
+ version: "1.12.1",
+ widgetEventPrefix: "drop",
+ options: {
+ accept: "*",
+ addClasses: true,
+ greedy: false,
+ scope: "default",
+ tolerance: "intersect",
+
+ // Callbacks
+ activate: null,
+ deactivate: null,
+ drop: null,
+ out: null,
+ over: null
+ },
+ _create: function() {
+
+ var proportions,
+ o = this.options,
+ accept = o.accept;
+
+ this.isover = false;
+ this.isout = true;
+
+ this.accept = $.isFunction( accept ) ? accept : function( d ) {
+ return d.is( accept );
+ };
+
+ this.proportions = function( /* valueToWrite */ ) {
+ if ( arguments.length ) {
+
+ // Store the droppable's proportions
+ proportions = arguments[ 0 ];
+ } else {
+
+ // Retrieve or derive the droppable's proportions
+ return proportions ?
+ proportions :
+ proportions = {
+ width: this.element[ 0 ].offsetWidth,
+ height: this.element[ 0 ].offsetHeight
+ };
+ }
+ };
+
+ this._addToManager( o.scope );
+
+ o.addClasses && this._addClass( "ui-droppable" );
+
+ },
+
+ _addToManager: function( scope ) {
+
+ // Add the reference and positions to the manager
+ $.ui.ddmanager.droppables[ scope ] = $.ui.ddmanager.droppables[ scope ] || [];
+ $.ui.ddmanager.droppables[ scope ].push( this );
+ },
+
+ _splice: function( drop ) {
+ var i = 0;
+ for ( ; i < drop.length; i++ ) {
+ if ( drop[ i ] === this ) {
+ drop.splice( i, 1 );
+ }
+ }
+ },
+
+ _destroy: function() {
+ var drop = $.ui.ddmanager.droppables[ this.options.scope ];
+
+ this._splice( drop );
+ },
+
+ _setOption: function( key, value ) {
+
+ if ( key === "accept" ) {
+ this.accept = $.isFunction( value ) ? value : function( d ) {
+ return d.is( value );
+ };
+ } else if ( key === "scope" ) {
+ var drop = $.ui.ddmanager.droppables[ this.options.scope ];
+
+ this._splice( drop );
+ this._addToManager( value );
+ }
+
+ this._super( key, value );
+ },
+
+ _activate: function( event ) {
+ var draggable = $.ui.ddmanager.current;
+
+ this._addActiveClass();
+ if ( draggable ) {
+ this._trigger( "activate", event, this.ui( draggable ) );
+ }
+ },
+
+ _deactivate: function( event ) {
+ var draggable = $.ui.ddmanager.current;
+
+ this._removeActiveClass();
+ if ( draggable ) {
+ this._trigger( "deactivate", event, this.ui( draggable ) );
+ }
+ },
+
+ _over: function( event ) {
+
+ var draggable = $.ui.ddmanager.current;
+
+ // Bail if draggable and droppable are same element
+ if ( !draggable || ( draggable.currentItem ||
+ draggable.element )[ 0 ] === this.element[ 0 ] ) {
+ return;
+ }
+
+ if ( this.accept.call( this.element[ 0 ], ( draggable.currentItem ||
+ draggable.element ) ) ) {
+ this._addHoverClass();
+ this._trigger( "over", event, this.ui( draggable ) );
+ }
+
+ },
+
+ _out: function( event ) {
+
+ var draggable = $.ui.ddmanager.current;
+
+ // Bail if draggable and droppable are same element
+ if ( !draggable || ( draggable.currentItem ||
+ draggable.element )[ 0 ] === this.element[ 0 ] ) {
+ return;
+ }
+
+ if ( this.accept.call( this.element[ 0 ], ( draggable.currentItem ||
+ draggable.element ) ) ) {
+ this._removeHoverClass();
+ this._trigger( "out", event, this.ui( draggable ) );
+ }
+
+ },
+
+ _drop: function( event, custom ) {
+
+ var draggable = custom || $.ui.ddmanager.current,
+ childrenIntersection = false;
+
+ // Bail if draggable and droppable are same element
+ if ( !draggable || ( draggable.currentItem ||
+ draggable.element )[ 0 ] === this.element[ 0 ] ) {
+ return false;
+ }
+
+ this.element
+ .find( ":data(ui-droppable)" )
+ .not( ".ui-draggable-dragging" )
+ .each( function() {
+ var inst = $( this ).droppable( "instance" );
+ if (
+ inst.options.greedy &&
+ !inst.options.disabled &&
+ inst.options.scope === draggable.options.scope &&
+ inst.accept.call(
+ inst.element[ 0 ], ( draggable.currentItem || draggable.element )
+ ) &&
+ intersect(
+ draggable,
+ $.extend( inst, { offset: inst.element.offset() } ),
+ inst.options.tolerance, event
+ )
+ ) {
+ childrenIntersection = true;
+ return false; }
+ } );
+ if ( childrenIntersection ) {
+ return false;
+ }
+
+ if ( this.accept.call( this.element[ 0 ],
+ ( draggable.currentItem || draggable.element ) ) ) {
+ this._removeActiveClass();
+ this._removeHoverClass();
+
+ this._trigger( "drop", event, this.ui( draggable ) );
+ return this.element;
+ }
+
+ return false;
+
+ },
+
+ ui: function( c ) {
+ return {
+ draggable: ( c.currentItem || c.element ),
+ helper: c.helper,
+ position: c.position,
+ offset: c.positionAbs
+ };
+ },
+
+ // Extension points just to make backcompat sane and avoid duplicating logic
+ // TODO: Remove in 1.13 along with call to it below
+ _addHoverClass: function() {
+ this._addClass( "ui-droppable-hover" );
+ },
+
+ _removeHoverClass: function() {
+ this._removeClass( "ui-droppable-hover" );
+ },
+
+ _addActiveClass: function() {
+ this._addClass( "ui-droppable-active" );
+ },
+
+ _removeActiveClass: function() {
+ this._removeClass( "ui-droppable-active" );
+ }
+} );
+
+var intersect = $.ui.intersect = ( function() {
+ function isOverAxis( x, reference, size ) {
+ return ( x >= reference ) && ( x < ( reference + size ) );
+ }
+
+ return function( draggable, droppable, toleranceMode, event ) {
+
+ if ( !droppable.offset ) {
+ return false;
+ }
+
+ var x1 = ( draggable.positionAbs ||
+ draggable.position.absolute ).left + draggable.margins.left,
+ y1 = ( draggable.positionAbs ||
+ draggable.position.absolute ).top + draggable.margins.top,
+ x2 = x1 + draggable.helperProportions.width,
+ y2 = y1 + draggable.helperProportions.height,
+ l = droppable.offset.left,
+ t = droppable.offset.top,
+ r = l + droppable.proportions().width,
+ b = t + droppable.proportions().height;
+
+ switch ( toleranceMode ) {
+ case "fit":
+ return ( l <= x1 && x2 <= r && t <= y1 && y2 <= b );
+ case "intersect":
+ return ( l < x1 + ( draggable.helperProportions.width / 2 ) && // Right Half
+ x2 - ( draggable.helperProportions.width / 2 ) < r && // Left Half
+ t < y1 + ( draggable.helperProportions.height / 2 ) && // Bottom Half
+ y2 - ( draggable.helperProportions.height / 2 ) < b ); // Top Half
+ case "pointer":
+ return isOverAxis( event.pageY, t, droppable.proportions().height ) &&
+ isOverAxis( event.pageX, l, droppable.proportions().width );
+ case "touch":
+ return (
+ ( y1 >= t && y1 <= b ) || // Top edge touching
+ ( y2 >= t && y2 <= b ) || // Bottom edge touching
+ ( y1 < t && y2 > b ) // Surrounded vertically
+ ) && (
+ ( x1 >= l && x1 <= r ) || // Left edge touching
+ ( x2 >= l && x2 <= r ) || // Right edge touching
+ ( x1 < l && x2 > r ) // Surrounded horizontally
+ );
+ default:
+ return false;
+ }
+ };
+} )();
+
+/*
+ This manager tracks offsets of draggables and droppables
+*/
+$.ui.ddmanager = {
+ current: null,
+ droppables: { "default": [] },
+ prepareOffsets: function( t, event ) {
+
+ var i, j,
+ m = $.ui.ddmanager.droppables[ t.options.scope ] || [],
+ type = event ? event.type : null, // workaround for #2317
+ list = ( t.currentItem || t.element ).find( ":data(ui-droppable)" ).addBack();
+
+ droppablesLoop: for ( i = 0; i < m.length; i++ ) {
+
+ // No disabled and non-accepted
+ if ( m[ i ].options.disabled || ( t && !m[ i ].accept.call( m[ i ].element[ 0 ],
+ ( t.currentItem || t.element ) ) ) ) {
+ continue;
+ }
+
+ // Filter out elements in the current dragged item
+ for ( j = 0; j < list.length; j++ ) {
+ if ( list[ j ] === m[ i ].element[ 0 ] ) {
+ m[ i ].proportions().height = 0;
+ continue droppablesLoop;
+ }
+ }
+
+ m[ i ].visible = m[ i ].element.css( "display" ) !== "none";
+ if ( !m[ i ].visible ) {
+ continue;
+ }
+
+ // Activate the droppable if used directly from draggables
+ if ( type === "mousedown" ) {
+ m[ i ]._activate.call( m[ i ], event );
+ }
+
+ m[ i ].offset = m[ i ].element.offset();
+ m[ i ].proportions( {
+ width: m[ i ].element[ 0 ].offsetWidth,
+ height: m[ i ].element[ 0 ].offsetHeight
+ } );
+
+ }
+
+ },
+ drop: function( draggable, event ) {
+
+ var dropped = false;
+
+ // Create a copy of the droppables in case the list changes during the drop (#9116)
+ $.each( ( $.ui.ddmanager.droppables[ draggable.options.scope ] || [] ).slice(), function() {
+
+ if ( !this.options ) {
+ return;
+ }
+ if ( !this.options.disabled && this.visible &&
+ intersect( draggable, this, this.options.tolerance, event ) ) {
+ dropped = this._drop.call( this, event ) || dropped;
+ }
+
+ if ( !this.options.disabled && this.visible && this.accept.call( this.element[ 0 ],
+ ( draggable.currentItem || draggable.element ) ) ) {
+ this.isout = true;
+ this.isover = false;
+ this._deactivate.call( this, event );
+ }
+
+ } );
+ return dropped;
+
+ },
+ dragStart: function( draggable, event ) {
+
+ // Listen for scrolling so that if the dragging causes scrolling the position of the
+ // droppables can be recalculated (see #5003)
+ draggable.element.parentsUntil( "body" ).on( "scroll.droppable", function() {
+ if ( !draggable.options.refreshPositions ) {
+ $.ui.ddmanager.prepareOffsets( draggable, event );
+ }
+ } );
+ },
+ drag: function( draggable, event ) {
+
+ // If you have a highly dynamic page, you might try this option. It renders positions
+ // every time you move the mouse.
+ if ( draggable.options.refreshPositions ) {
+ $.ui.ddmanager.prepareOffsets( draggable, event );
+ }
+
+ // Run through all droppables and check their positions based on specific tolerance options
+ $.each( $.ui.ddmanager.droppables[ draggable.options.scope ] || [], function() {
+
+ if ( this.options.disabled || this.greedyChild || !this.visible ) {
+ return;
+ }
+
+ var parentInstance, scope, parent,
+ intersects = intersect( draggable, this, this.options.tolerance, event ),
+ c = !intersects && this.isover ?
+ "isout" :
+ ( intersects && !this.isover ? "isover" : null );
+ if ( !c ) {
+ return;
+ }
+
+ if ( this.options.greedy ) {
+
+ // find droppable parents with same scope
+ scope = this.options.scope;
+ parent = this.element.parents( ":data(ui-droppable)" ).filter( function() {
+ return $( this ).droppable( "instance" ).options.scope === scope;
+ } );
+
+ if ( parent.length ) {
+ parentInstance = $( parent[ 0 ] ).droppable( "instance" );
+ parentInstance.greedyChild = ( c === "isover" );
+ }
+ }
+
+ // We just moved into a greedy child
+ if ( parentInstance && c === "isover" ) {
+ parentInstance.isover = false;
+ parentInstance.isout = true;
+ parentInstance._out.call( parentInstance, event );
+ }
+
+ this[ c ] = true;
+ this[ c === "isout" ? "isover" : "isout" ] = false;
+ this[ c === "isover" ? "_over" : "_out" ].call( this, event );
+
+ // We just moved out of a greedy child
+ if ( parentInstance && c === "isout" ) {
+ parentInstance.isout = false;
+ parentInstance.isover = true;
+ parentInstance._over.call( parentInstance, event );
+ }
+ } );
+
+ },
+ dragStop: function( draggable, event ) {
+ draggable.element.parentsUntil( "body" ).off( "scroll.droppable" );
+
+ // Call prepareOffsets one final time since IE does not fire return scroll events when
+ // overflow was caused by drag (see #5003)
+ if ( !draggable.options.refreshPositions ) {
+ $.ui.ddmanager.prepareOffsets( draggable, event );
+ }
+ }
+};
+
+// DEPRECATED
+// TODO: switch return back to widget declaration at top of file when this is removed
+if ( $.uiBackCompat !== false ) {
+
+ // Backcompat for activeClass and hoverClass options
+ $.widget( "ui.droppable", $.ui.droppable, {
+ options: {
+ hoverClass: false,
+ activeClass: false
+ },
+ _addActiveClass: function() {
+ this._super();
+ if ( this.options.activeClass ) {
+ this.element.addClass( this.options.activeClass );
+ }
+ },
+ _removeActiveClass: function() {
+ this._super();
+ if ( this.options.activeClass ) {
+ this.element.removeClass( this.options.activeClass );
+ }
+ },
+ _addHoverClass: function() {
+ this._super();
+ if ( this.options.hoverClass ) {
+ this.element.addClass( this.options.hoverClass );
+ }
+ },
+ _removeHoverClass: function() {
+ this._super();
+ if ( this.options.hoverClass ) {
+ this.element.removeClass( this.options.hoverClass );
+ }
+ }
+ } );
+}
+
+return $.ui.droppable;
+
+} ) );