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Editing: selectable.js
/*! * jQuery UI Selectable 1.14.2 * https://jqueryui.com * * Copyright OpenJS Foundation and other contributors * Released under the MIT license. * https://jquery.org/license */ //>>label: Selectable //>>group: Interactions //>>description: Allows groups of elements to be selected with the mouse. //>>docs: https://api.jqueryui.com/selectable/ //>>demos: https://jqueryui.com/selectable/ //>>css.structure: ../../themes/base/selectable.css ( function( factory ) { "use strict"; if ( typeof define === "function" && define.amd ) { // AMD. Register as an anonymous module. define( [ "jquery", "./mouse", "../version", "../widget" ], factory ); } else { // Browser globals factory( jQuery ); } } )( function( $ ) { "use strict"; return $.widget( "ui.selectable", $.ui.mouse, { version: "1.14.2", options: { appendTo: "body", autoRefresh: true, distance: 0, filter: "*", tolerance: "touch", // Callbacks selected: null, selecting: null, start: null, stop: null, unselected: null, unselecting: null }, _create: function() { var that = this; this._addClass( "ui-selectable" ); this.dragged = false; // Cache selectee children based on filter this.refresh = function() { that.elementPos = $( that.element[ 0 ] ).offset(); that.selectees = $( that.options.filter, that.element[ 0 ] ); that._addClass( that.selectees, "ui-selectee" ); that.selectees.each( function() { var $this = $( this ), selecteeOffset = $this.offset(), pos = { left: selecteeOffset.left - that.elementPos.left, top: selecteeOffset.top - that.elementPos.top }; $.data( this, "selectable-item", { element: this, $element: $this, left: pos.left, top: pos.top, right: pos.left + $this.outerWidth(), bottom: pos.top + $this.outerHeight(), startselected: false, selected: $this.hasClass( "ui-selected" ), selecting: $this.hasClass( "ui-selecting" ), unselecting: $this.hasClass( "ui-unselecting" ) } ); } ); }; this.refresh(); this._mouseInit(); this.helper = $( "<div>" ); this._addClass( this.helper, "ui-selectable-helper" ); }, _destroy: function() { this.selectees.removeData( "selectable-item" ); this._mouseDestroy(); }, _mouseStart: function( event ) { var that = this, options = this.options; this.opos = [ event.pageX, event.pageY ]; this.elementPos = $( this.element[ 0 ] ).offset(); if ( this.options.disabled ) { return; } this.selectees = $( options.filter, this.element[ 0 ] ); this._trigger( "start", event ); $( options.appendTo ).append( this.helper ); // position helper (lasso) this.helper.css( { "left": event.pageX, "top": event.pageY, "width": 0, "height": 0 } ); if ( options.autoRefresh ) { this.refresh(); } this.selectees.filter( ".ui-selected" ).each( function() { var selectee = $.data( this, "selectable-item" ); selectee.startselected = true; if ( !event.metaKey && !event.ctrlKey ) { that._removeClass( selectee.$element, "ui-selected" ); selectee.selected = false; that._addClass( selectee.$element, "ui-unselecting" ); selectee.unselecting = true; // selectable UNSELECTING callback that._trigger( "unselecting", event, { unselecting: selectee.element } ); } } ); $( event.target ).parents().addBack().each( function() { var doSelect, selectee = $.data( this, "selectable-item" ); if ( selectee ) { doSelect = ( !event.metaKey && !event.ctrlKey ) || !selectee.$element.hasClass( "ui-selected" ); that._removeClass( selectee.$element, doSelect ? "ui-unselecting" : "ui-selected" ) ._addClass( selectee.$element, doSelect ? "ui-selecting" : "ui-unselecting" ); selectee.unselecting = !doSelect; selectee.selecting = doSelect; selectee.selected = doSelect; // selectable (UN)SELECTING callback if ( doSelect ) { that._trigger( "selecting", event, { selecting: selectee.element } ); } else { that._trigger( "unselecting", event, { unselecting: selectee.element } ); } return false; } } ); }, _mouseDrag: function( event ) { this.dragged = true; if ( this.options.disabled ) { return; } var tmp, that = this, options = this.options, x1 = this.opos[ 0 ], y1 = this.opos[ 1 ], x2 = event.pageX, y2 = event.pageY; if ( x1 > x2 ) { tmp = x2; x2 = x1; x1 = tmp; } if ( y1 > y2 ) { tmp = y2; y2 = y1; y1 = tmp; } this.helper.css( { left: x1, top: y1, width: x2 - x1, height: y2 - y1 } ); this.selectees.each( function() { var selectee = $.data( this, "selectable-item" ), hit = false, offset = {}; //prevent helper from being selected if appendTo: selectable if ( !selectee || selectee.element === that.element[ 0 ] ) { return; } offset.left = selectee.left + that.elementPos.left; offset.right = selectee.right + that.elementPos.left; offset.top = selectee.top + that.elementPos.top; offset.bottom = selectee.bottom + that.elementPos.top; if ( options.tolerance === "touch" ) { hit = ( !( offset.left > x2 || offset.right < x1 || offset.top > y2 || offset.bottom < y1 ) ); } else if ( options.tolerance === "fit" ) { hit = ( offset.left > x1 && offset.right < x2 && offset.top > y1 && offset.bottom < y2 ); } if ( hit ) { // SELECT if ( selectee.selected ) { that._removeClass( selectee.$element, "ui-selected" ); selectee.selected = false; } if ( selectee.unselecting ) { that._removeClass( selectee.$element, "ui-unselecting" ); selectee.unselecting = false; } if ( !selectee.selecting ) { that._addClass( selectee.$element, "ui-selecting" ); selectee.selecting = true; // selectable SELECTING callback that._trigger( "selecting", event, { selecting: selectee.element } ); } } else { // UNSELECT if ( selectee.selecting ) { if ( ( event.metaKey || event.ctrlKey ) && selectee.startselected ) { that._removeClass( selectee.$element, "ui-selecting" ); selectee.selecting = false; that._addClass( selectee.$element, "ui-selected" ); selectee.selected = true; } else { that._removeClass( selectee.$element, "ui-selecting" ); selectee.selecting = false; if ( selectee.startselected ) { that._addClass( selectee.$element, "ui-unselecting" ); selectee.unselecting = true; } // selectable UNSELECTING callback that._trigger( "unselecting", event, { unselecting: selectee.element } ); } } if ( selectee.selected ) { if ( !event.metaKey && !event.ctrlKey && !selectee.startselected ) { that._removeClass( selectee.$element, "ui-selected" ); selectee.selected = false; that._addClass( selectee.$element, "ui-unselecting" ); selectee.unselecting = true; // selectable UNSELECTING callback that._trigger( "unselecting", event, { unselecting: selectee.element } ); } } } } ); return false; }, _mouseStop: function( event ) { var that = this; this.dragged = false; $( ".ui-unselecting", this.element[ 0 ] ).each( function() { var selectee = $.data( this, "selectable-item" ); that._removeClass( selectee.$element, "ui-unselecting" ); selectee.unselecting = false; selectee.startselected = false; that._trigger( "unselected", event, { unselected: selectee.element } ); } ); $( ".ui-selecting", this.element[ 0 ] ).each( function() { var selectee = $.data( this, "selectable-item" ); that._removeClass( selectee.$element, "ui-selecting" ) ._addClass( selectee.$element, "ui-selected" ); selectee.selecting = false; selectee.selected = true; selectee.startselected = true; that._trigger( "selected", event, { selected: selectee.element } ); } ); this._trigger( "stop", event ); this.helper.remove(); return false; } } ); } );
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