/*!

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* jQuery UI Resizable 1.12.1

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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: Resizable

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//>>group: Interactions

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//>>description: Enables resize functionality for any element.

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//>>docs: http://api.jqueryui.com/resizable/

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//>>demos: http://jqueryui.com/resizable/

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//>>css.structure: ../../themes/base/core.css

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//>>css.structure: ../../themes/base/resizable.css

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//>>css.theme: ../../themes/base/theme.css

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( function( factory ) {

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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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$.widget( "ui.resizable", $.ui.mouse, {

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version: "1.12.1",

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widgetEventPrefix: "resize",

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options: {

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alsoResize: false,

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animate: false,

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animateDuration: "slow",

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animateEasing: "swing",

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aspectRatio: false,

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autoHide: false,

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classes: {

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"ui-resizable-se": "ui-icon ui-icon-gripsmall-diagonal-se"

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},

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containment: false,

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ghost: false,

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grid: false,

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handles: "e,s,se",

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helper: false,

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maxHeight: null,

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maxWidth: null,

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minHeight: 10,

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minWidth: 10,

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// See #7960

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zIndex: 90,

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// Callbacks

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resize: null,

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start: null,

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stop: null

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},

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_num: function( value ) {

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return parseFloat( value ) || 0;

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},

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_isNumber: function( value ) {

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return !isNaN( parseFloat( value ) );

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},

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_hasScroll: function( el, a ) {

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if ( $( el ).css( "overflow" ) === "hidden" ) {

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return false;

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}

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var scroll = ( a && a === "left" ) ? "scrollLeft" : "scrollTop",

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has = false;

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if ( el[ scroll ] > 0 ) {

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return true;

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}

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// TODO: determine which cases actually cause this to happen

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// if the element doesn't have the scroll set, see if it's possible to

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// set the scroll

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el[ scroll ] = 1;

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has = ( el[ scroll ] > 0 );

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el[ scroll ] = 0;

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return has;

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},

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_create: function() {

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var margins,

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o = this.options,

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that = this;

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this._addClass( "ui-resizable" );

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$.extend( this, {

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_aspectRatio: !!( o.aspectRatio ),

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aspectRatio: o.aspectRatio,

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originalElement: this.element,

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_proportionallyResizeElements: [],

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_helper: o.helper || o.ghost || o.animate ? o.helper || "ui-resizable-helper" : null

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} );

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// Wrap the element if it cannot hold child nodes

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if ( this.element[ 0 ].nodeName.match( /^(canvas|textarea|input|select|button|img)$/i ) ) {

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this.element.wrap(

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$( "<div class='ui-wrapper' style='overflow: hidden;'></div>" ).css( {

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position: this.element.css( "position" ),

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width: this.element.outerWidth(),

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height: this.element.outerHeight(),

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top: this.element.css( "top" ),

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left: this.element.css( "left" )

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} )

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);

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this.element = this.element.parent().data(

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"ui-resizable", this.element.resizable( "instance" )

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);

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this.elementIsWrapper = true;

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margins = {

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marginTop: this.originalElement.css( "marginTop" ),

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marginRight: this.originalElement.css( "marginRight" ),

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marginBottom: this.originalElement.css( "marginBottom" ),

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marginLeft: this.originalElement.css( "marginLeft" )

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};

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this.element.css( margins );

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this.originalElement.css( "margin", 0 );

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// support: Safari

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// Prevent Safari textarea resize

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this.originalResizeStyle = this.originalElement.css( "resize" );

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this.originalElement.css( "resize", "none" );

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this._proportionallyResizeElements.push( this.originalElement.css( {

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position: "static",

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zoom: 1,

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display: "block"

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} ) );

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// Support: IE9

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// avoid IE jump (hard set the margin)

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this.originalElement.css( margins );

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this._proportionallyResize();

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}

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this._setupHandles();

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if ( o.autoHide ) {

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$( this.element )

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.on( "mouseenter", function() {

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if ( o.disabled ) {

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return;

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}

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that._removeClass( "ui-resizable-autohide" );

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that._handles.show();

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} )

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.on( "mouseleave", function() {

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if ( o.disabled ) {

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return;

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}

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if ( !that.resizing ) {

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that._addClass( "ui-resizable-autohide" );

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that._handles.hide();

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}

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} );

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}

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this._mouseInit();

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},

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_destroy: function() {

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this._mouseDestroy();

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var wrapper,

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_destroy = function( exp ) {

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$( exp )

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.removeData( "resizable" )

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.removeData( "ui-resizable" )

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.off( ".resizable" )

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.find( ".ui-resizable-handle" )

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.remove();

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};

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// TODO: Unwrap at same DOM position

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if ( this.elementIsWrapper ) {

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_destroy( this.element );

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wrapper = this.element;

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this.originalElement.css( {

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position: wrapper.css( "position" ),

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width: wrapper.outerWidth(),

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height: wrapper.outerHeight(),

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top: wrapper.css( "top" ),

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left: wrapper.css( "left" )

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} ).insertAfter( wrapper );

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wrapper.remove();

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}

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this.originalElement.css( "resize", this.originalResizeStyle );

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_destroy( this.originalElement );

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return this;

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},

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_setOption: function( key, value ) {

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this._super( key, value );

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switch ( key ) {

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case "handles":

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this._removeHandles();

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this._setupHandles();

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break;

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default:

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break;

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}

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},

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_setupHandles: function() {

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var o = this.options, handle, i, n, hname, axis, that = this;

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this.handles = o.handles ||

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( !$( ".ui-resizable-handle", this.element ).length ?

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"e,s,se" : {

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n: ".ui-resizable-n",

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e: ".ui-resizable-e",

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s: ".ui-resizable-s",

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w: ".ui-resizable-w",

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se: ".ui-resizable-se",

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sw: ".ui-resizable-sw",

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ne: ".ui-resizable-ne",

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nw: ".ui-resizable-nw"

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} );

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this._handles = $();

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if ( this.handles.constructor === String ) {

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if ( this.handles === "all" ) {

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this.handles = "n,e,s,w,se,sw,ne,nw";

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}

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n = this.handles.split( "," );

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this.handles = {};

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for ( i = 0; i < n.length; i++ ) {

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handle = $.trim( n[ i ] );

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hname = "ui-resizable-" + handle;

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axis = $( "<div>" );

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this._addClass( axis, "ui-resizable-handle " + hname );

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axis.css( { zIndex: o.zIndex } );

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this.handles[ handle ] = ".ui-resizable-" + handle;

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this.element.append( axis );

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}

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}

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this._renderAxis = function( target ) {

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var i, axis, padPos, padWrapper;

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target = target || this.element;

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for ( i in this.handles ) {

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if ( this.handles[ i ].constructor === String ) {

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this.handles[ i ] = this.element.children( this.handles[ i ] ).first().show();

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} else if ( this.handles[ i ].jquery || this.handles[ i ].nodeType ) {

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this.handles[ i ] = $( this.handles[ i ] );

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this._on( this.handles[ i ], { "mousedown": that._mouseDown } );

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}

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if ( this.elementIsWrapper &&

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this.originalElement[ 0 ]

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.nodeName

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.match( /^(textarea|input|select|button)$/i ) ) {

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axis = $( this.handles[ i ], this.element );

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padWrapper = /sw|ne|nw|se|n|s/.test( i ) ?

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axis.outerHeight() :

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axis.outerWidth();

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padPos = [ "padding",

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/ne|nw|n/.test( i ) ? "Top" :

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/se|sw|s/.test( i ) ? "Bottom" :

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/^e$/.test( i ) ? "Right" : "Left" ].join( "" );

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target.css( padPos, padWrapper );

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this._proportionallyResize();

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}

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this._handles = this._handles.add( this.handles[ i ] );

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}

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};

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// TODO: make renderAxis a prototype function

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this._renderAxis( this.element );

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this._handles = this._handles.add( this.element.find( ".ui-resizable-handle" ) );

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this._handles.disableSelection();

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this._handles.on( "mouseover", function() {

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if ( !that.resizing ) {

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if ( this.className ) {

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axis = this.className.match( /ui-resizable-(se|sw|ne|nw|n|e|s|w)/i );

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}

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that.axis = axis && axis[ 1 ] ? axis[ 1 ] : "se";

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}

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} );

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if ( o.autoHide ) {

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this._handles.hide();

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this._addClass( "ui-resizable-autohide" );

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}

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},

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_removeHandles: function() {

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this._handles.remove();

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},

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_mouseCapture: function( event ) {

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var i, handle,

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capture = false;

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for ( i in this.handles ) {

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handle = $( this.handles[ i ] )[ 0 ];

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if ( handle === event.target || $.contains( handle, event.target ) ) {

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capture = true;

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}

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}

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return !this.options.disabled && capture;

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},

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_mouseStart: function( event ) {

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var curleft, curtop, cursor,

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o = this.options,

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el = this.element;

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this.resizing = true;

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this._renderProxy();

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curleft = this._num( this.helper.css( "left" ) );

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curtop = this._num( this.helper.css( "top" ) );

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if ( o.containment ) {

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curleft += $( o.containment ).scrollLeft() || 0;

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curtop += $( o.containment ).scrollTop() || 0;

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}

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this.offset = this.helper.offset();

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this.position = { left: curleft, top: curtop };

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this.size = this._helper ? {

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width: this.helper.width(),

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height: this.helper.height()

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} : {

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width: el.width(),

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height: el.height()

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};

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this.originalSize = this._helper ? {

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width: el.outerWidth(),

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height: el.outerHeight()

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} : {

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width: el.width(),

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height: el.height()

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};

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this.sizeDiff = {

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width: el.outerWidth() - el.width(),

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height: el.outerHeight() - el.height()

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};

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this.originalPosition = { left: curleft, top: curtop };

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this.originalMousePosition = { left: event.pageX, top: event.pageY };

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this.aspectRatio = ( typeof o.aspectRatio === "number" ) ?

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o.aspectRatio :

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( ( this.originalSize.width / this.originalSize.height ) || 1 );

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cursor = $( ".ui-resizable-" + this.axis ).css( "cursor" );

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$( "body" ).css( "cursor", cursor === "auto" ? this.axis + "-resize" : cursor );

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this._addClass( "ui-resizable-resizing" );

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this._propagate( "start", event );

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return true;

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},

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_mouseDrag: function( event ) {

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var data, props,

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smp = this.originalMousePosition,

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a = this.axis,

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dx = ( event.pageX - smp.left ) || 0,

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dy = ( event.pageY - smp.top ) || 0,

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trigger = this._change[ a ];

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this._updatePrevProperties();

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if ( !trigger ) {

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return false;

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}

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data = trigger.apply( this, [ event, dx, dy ] );

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this._updateVirtualBoundaries( event.shiftKey );

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if ( this._aspectRatio || event.shiftKey ) {

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data = this._updateRatio( data, event );

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}

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data = this._respectSize( data, event );

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this._updateCache( data );

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this._propagate( "resize", event );

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props = this._applyChanges();

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if ( !this._helper && this._proportionallyResizeElements.length ) {

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this._proportionallyResize();

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}

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if ( !$.isEmptyObject( props ) ) {

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this._updatePrevProperties();

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this._trigger( "resize", event, this.ui() );

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this._applyChanges();

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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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this.resizing = false;

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var pr, ista, soffseth, soffsetw, s, left, top,

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o = this.options, that = this;

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if ( this._helper ) {

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pr = this._proportionallyResizeElements;

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ista = pr.length && ( /textarea/i ).test( pr[ 0 ].nodeName );

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soffseth = ista && this._hasScroll( pr[ 0 ], "left" ) ? 0 : that.sizeDiff.height;

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soffsetw = ista ? 0 : that.sizeDiff.width;

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s = {

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width: ( that.helper.width() - soffsetw ),

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height: ( that.helper.height() - soffseth )

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};

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left = ( parseFloat( that.element.css( "left" ) ) +

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( that.position.left - that.originalPosition.left ) ) || null;

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top = ( parseFloat( that.element.css( "top" ) ) +

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( that.position.top - that.originalPosition.top ) ) || null;

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if ( !o.animate ) {

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this.element.css( $.extend( s, { top: top, left: left } ) );

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}

[472] Fix | Delete

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that.helper.height( that.size.height );

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that.helper.width( that.size.width );

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if ( this._helper && !o.animate ) {

[477] Fix | Delete

this._proportionallyResize();

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}

[479] Fix | Delete

}

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$( "body" ).css( "cursor", "auto" );

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this._removeClass( "ui-resizable-resizing" );

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[485] Fix | Delete

this._propagate( "stop", event );

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if ( this._helper ) {

[488] Fix | Delete

this.helper.remove();

[489] Fix | Delete

}

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[491] Fix | Delete

return false;

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},

[494] Fix | Delete

[495] Fix | Delete

_updatePrevProperties: function() {

[496] Fix | Delete

this.prevPosition = {

[497] Fix | Delete

top: this.position.top,

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left: this.position.left

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