317 lines
7.9 KiB
JavaScript
317 lines
7.9 KiB
JavaScript
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/*!
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* jQuery UI Selectable 1.13.2
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* http://jqueryui.com
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*
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* Copyright jQuery Foundation and other contributors
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* Released under the MIT license.
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* http://jquery.org/license
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*/
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//>>label: Selectable
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//>>group: Interactions
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//>>description: Allows groups of elements to be selected with the mouse.
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//>>docs: http://api.jqueryui.com/selectable/
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//>>demos: http://jqueryui.com/selectable/
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//>>css.structure: ../../themes/base/selectable.css
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( function( factory ) {
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"use strict";
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if ( typeof define === "function" && define.amd ) {
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// AMD. Register as an anonymous module.
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define( [
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"jquery",
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"./mouse",
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"./core"
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], factory );
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} else {
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// Browser globals
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factory( jQuery );
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}
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} )( function( $ ) {
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"use strict";
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return $.widget( "ui.selectable", $.ui.mouse, {
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version: "1.13.2",
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options: {
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appendTo: "body",
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autoRefresh: true,
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distance: 0,
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filter: "*",
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tolerance: "touch",
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// Callbacks
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selected: null,
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selecting: null,
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start: null,
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stop: null,
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unselected: null,
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unselecting: null
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},
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_create: function() {
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var that = this;
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this._addClass( "ui-selectable" );
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this.dragged = false;
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// Cache selectee children based on filter
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this.refresh = function() {
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that.elementPos = $( that.element[ 0 ] ).offset();
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that.selectees = $( that.options.filter, that.element[ 0 ] );
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that._addClass( that.selectees, "ui-selectee" );
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that.selectees.each( function() {
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var $this = $( this ),
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selecteeOffset = $this.offset(),
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pos = {
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left: selecteeOffset.left - that.elementPos.left,
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top: selecteeOffset.top - that.elementPos.top
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};
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$.data( this, "selectable-item", {
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element: this,
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$element: $this,
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left: pos.left,
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top: pos.top,
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right: pos.left + $this.outerWidth(),
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bottom: pos.top + $this.outerHeight(),
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startselected: false,
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selected: $this.hasClass( "ui-selected" ),
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selecting: $this.hasClass( "ui-selecting" ),
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unselecting: $this.hasClass( "ui-unselecting" )
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} );
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} );
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};
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this.refresh();
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this._mouseInit();
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this.helper = $( "<div>" );
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this._addClass( this.helper, "ui-selectable-helper" );
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},
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_destroy: function() {
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this.selectees.removeData( "selectable-item" );
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this._mouseDestroy();
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},
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_mouseStart: function( event ) {
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var that = this,
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options = this.options;
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this.opos = [ event.pageX, event.pageY ];
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this.elementPos = $( this.element[ 0 ] ).offset();
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if ( this.options.disabled ) {
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return;
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}
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this.selectees = $( options.filter, this.element[ 0 ] );
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this._trigger( "start", event );
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$( options.appendTo ).append( this.helper );
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// position helper (lasso)
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this.helper.css( {
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"left": event.pageX,
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"top": event.pageY,
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"width": 0,
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"height": 0
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} );
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if ( options.autoRefresh ) {
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this.refresh();
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}
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this.selectees.filter( ".ui-selected" ).each( function() {
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var selectee = $.data( this, "selectable-item" );
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selectee.startselected = true;
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if ( !event.metaKey && !event.ctrlKey ) {
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that._removeClass( selectee.$element, "ui-selected" );
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selectee.selected = false;
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that._addClass( selectee.$element, "ui-unselecting" );
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selectee.unselecting = true;
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// selectable UNSELECTING callback
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that._trigger( "unselecting", event, {
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unselecting: selectee.element
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} );
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}
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} );
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$( event.target ).parents().addBack().each( function() {
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var doSelect,
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selectee = $.data( this, "selectable-item" );
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if ( selectee ) {
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doSelect = ( !event.metaKey && !event.ctrlKey ) ||
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!selectee.$element.hasClass( "ui-selected" );
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that._removeClass( selectee.$element, doSelect ? "ui-unselecting" : "ui-selected" )
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._addClass( selectee.$element, doSelect ? "ui-selecting" : "ui-unselecting" );
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selectee.unselecting = !doSelect;
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selectee.selecting = doSelect;
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selectee.selected = doSelect;
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// selectable (UN)SELECTING callback
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if ( doSelect ) {
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that._trigger( "selecting", event, {
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selecting: selectee.element
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} );
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} else {
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that._trigger( "unselecting", event, {
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unselecting: selectee.element
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} );
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}
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return false;
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}
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} );
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},
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_mouseDrag: function( event ) {
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this.dragged = true;
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if ( this.options.disabled ) {
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return;
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}
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var tmp,
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that = this,
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options = this.options,
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x1 = this.opos[ 0 ],
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y1 = this.opos[ 1 ],
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x2 = event.pageX,
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y2 = event.pageY;
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if ( x1 > x2 ) {
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tmp = x2; x2 = x1; x1 = tmp;
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}
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if ( y1 > y2 ) {
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tmp = y2; y2 = y1; y1 = tmp;
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}
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this.helper.css( { left: x1, top: y1, width: x2 - x1, height: y2 - y1 } );
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this.selectees.each( function() {
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var selectee = $.data( this, "selectable-item" ),
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hit = false,
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offset = {};
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//prevent helper from being selected if appendTo: selectable
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if ( !selectee || selectee.element === that.element[ 0 ] ) {
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return;
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}
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offset.left = selectee.left + that.elementPos.left;
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offset.right = selectee.right + that.elementPos.left;
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offset.top = selectee.top + that.elementPos.top;
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offset.bottom = selectee.bottom + that.elementPos.top;
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if ( options.tolerance === "touch" ) {
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hit = ( !( offset.left > x2 || offset.right < x1 || offset.top > y2 ||
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offset.bottom < y1 ) );
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} else if ( options.tolerance === "fit" ) {
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hit = ( offset.left > x1 && offset.right < x2 && offset.top > y1 &&
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offset.bottom < y2 );
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}
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if ( hit ) {
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// SELECT
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if ( selectee.selected ) {
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that._removeClass( selectee.$element, "ui-selected" );
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selectee.selected = false;
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}
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if ( selectee.unselecting ) {
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that._removeClass( selectee.$element, "ui-unselecting" );
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selectee.unselecting = false;
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}
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if ( !selectee.selecting ) {
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that._addClass( selectee.$element, "ui-selecting" );
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selectee.selecting = true;
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// selectable SELECTING callback
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that._trigger( "selecting", event, {
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selecting: selectee.element
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} );
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}
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} else {
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// UNSELECT
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if ( selectee.selecting ) {
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if ( ( event.metaKey || event.ctrlKey ) && selectee.startselected ) {
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that._removeClass( selectee.$element, "ui-selecting" );
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selectee.selecting = false;
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that._addClass( selectee.$element, "ui-selected" );
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selectee.selected = true;
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} else {
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that._removeClass( selectee.$element, "ui-selecting" );
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selectee.selecting = false;
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if ( selectee.startselected ) {
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that._addClass( selectee.$element, "ui-unselecting" );
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selectee.unselecting = true;
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}
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// selectable UNSELECTING callback
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that._trigger( "unselecting", event, {
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unselecting: selectee.element
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} );
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}
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}
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if ( selectee.selected ) {
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if ( !event.metaKey && !event.ctrlKey && !selectee.startselected ) {
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that._removeClass( selectee.$element, "ui-selected" );
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selectee.selected = false;
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that._addClass( selectee.$element, "ui-unselecting" );
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selectee.unselecting = true;
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// selectable UNSELECTING callback
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that._trigger( "unselecting", event, {
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unselecting: selectee.element
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} );
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}
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}
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}
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} );
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return false;
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},
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_mouseStop: function( event ) {
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var that = this;
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this.dragged = false;
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$( ".ui-unselecting", this.element[ 0 ] ).each( function() {
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var selectee = $.data( this, "selectable-item" );
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that._removeClass( selectee.$element, "ui-unselecting" );
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selectee.unselecting = false;
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selectee.startselected = false;
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that._trigger( "unselected", event, {
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unselected: selectee.element
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} );
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} );
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$( ".ui-selecting", this.element[ 0 ] ).each( function() {
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var selectee = $.data( this, "selectable-item" );
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that._removeClass( selectee.$element, "ui-selecting" )
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._addClass( selectee.$element, "ui-selected" );
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selectee.selecting = false;
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selectee.selected = true;
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selectee.startselected = true;
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that._trigger( "selected", event, {
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selected: selectee.element
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} );
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} );
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this._trigger( "stop", event );
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this.helper.remove();
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return false;
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}
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} );
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} );
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