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Edit File : resizable.js \| Size : 29.78 KB
/! jQuery UI Resizable 1.13.3 * https://jqueryui.com * * Copyright OpenJS Foundation and other contributors * Released under the MIT license. * https://jquery.org/license / //>>label: Resizable //>>group: Interactions //>>description: Enables resize functionality for any element. //>>docs: https://api.jqueryui.com/resizable/ //>>demos: https://jqueryui.com/resizable/ //>>css.structure: ../../themes/base/core.css //>>css.structure: ../../themes/base/resizable.css //>>css.theme: ../../themes/base/theme.css ( function( factory ) { "use strict"; if ( typeof define === "function" && define.amd ) { // AMD. Register as an anonymous module. define( [ "jquery", "./mouse", "../disable-selection", "../plugin", "../version", "../widget" ], factory ); } else { // Browser globals factory( jQuery ); } } )( function( $ ) { "use strict"; $.widget( "ui.resizable", $.ui.mouse, { version: "1.13.3", widgetEventPrefix: "resize", options: { alsoResize: false, animate: false, animateDuration: "slow", animateEasing: "swing", aspectRatio: false, autoHide: false, classes: { "ui-resizable-se": "ui-icon ui-icon-gripsmall-diagonal-se" }, containment: false, ghost: false, grid: false, handles: "e,s,se", helper: false, maxHeight: null, maxWidth: null, minHeight: 10, minWidth: 10, // See #7960 zIndex: 90, // Callbacks resize: null, start: null, stop: null }, _num: function( value ) { return parseFloat( value ) \|\| 0; }, _isNumber: function( value ) { return !isNaN( parseFloat( value ) ); }, _hasScroll: function( el, a ) { if ( $( el ).css( "overflow" ) === "hidden" ) { return false; } var scroll = ( a && a === "left" ) ? "scrollLeft" : "scrollTop", has = false; if ( el[ scroll ] > 0 ) { return true; } // TODO: determine which cases actually cause this to happen // if the element doesn't have the scroll set, see if it's possible to // set the scroll try { el[ scroll ] = 1; has = ( el[ scroll ] > 0 ); el[ scroll ] = 0; } catch ( e ) { // `el` might be a string, then setting `scroll` will throw // an error in strict mode; ignore it. } return has; }, _create: function() { var margins, o = this.options, that = this; this._addClass( "ui-resizable" ); $.extend( this, { _aspectRatio: !!( o.aspectRatio ), aspectRatio: o.aspectRatio, originalElement: this.element, _proportionallyResizeElements: [], _helper: o.helper \|\| o.ghost \|\| o.animate ? o.helper \|\| "ui-resizable-helper" : null } ); // Wrap the element if it cannot hold child nodes if ( this.element[ 0 ].nodeName.match( /^(canvas\|textarea\|input\|select\|button\|img)$/i ) ) { this.element.wrap( $( "<div class='ui-wrapper'></div>" ).css( { overflow: "hidden", position: this.element.css( "position" ), width: this.element.outerWidth(), height: this.element.outerHeight(), top: this.element.css( "top" ), left: this.element.css( "left" ) } ) ); this.element = this.element.parent().data( "ui-resizable", this.element.resizable( "instance" ) ); this.elementIsWrapper = true; margins = { marginTop: this.originalElement.css( "marginTop" ), marginRight: this.originalElement.css( "marginRight" ), marginBottom: this.originalElement.css( "marginBottom" ), marginLeft: this.originalElement.css( "marginLeft" ) }; this.element.css( margins ); this.originalElement.css( "margin", 0 ); // support: Safari // Prevent Safari textarea resize this.originalResizeStyle = this.originalElement.css( "resize" ); this.originalElement.css( "resize", "none" ); this._proportionallyResizeElements.push( this.originalElement.css( { position: "static", zoom: 1, display: "block" } ) ); // Support: IE9 // avoid IE jump (hard set the margin) this.originalElement.css( margins ); this._proportionallyResize(); } this._setupHandles(); if ( o.autoHide ) { $( this.element ) .on( "mouseenter", function() { if ( o.disabled ) { return; } that._removeClass( "ui-resizable-autohide" ); that._handles.show(); } ) .on( "mouseleave", function() { if ( o.disabled ) { return; } if ( !that.resizing ) { that._addClass( "ui-resizable-autohide" ); that._handles.hide(); } } ); } this._mouseInit(); }, _destroy: function() { this._mouseDestroy(); this._addedHandles.remove(); var wrapper, _destroy = function( exp ) { $( exp ) .removeData( "resizable" ) .removeData( "ui-resizable" ) .off( ".resizable" ); }; // TODO: Unwrap at same DOM position if ( this.elementIsWrapper ) { _destroy( this.element ); wrapper = this.element; this.originalElement.css( { position: wrapper.css( "position" ), width: wrapper.outerWidth(), height: wrapper.outerHeight(), top: wrapper.css( "top" ), left: wrapper.css( "left" ) } ).insertAfter( wrapper ); wrapper.remove(); } this.originalElement.css( "resize", this.originalResizeStyle ); _destroy( this.originalElement ); return this; }, _setOption: function( key, value ) { this._super( key, value ); switch ( key ) { case "handles": this._removeHandles(); this._setupHandles(); break; case "aspectRatio": this._aspectRatio = !!value; break; default: break; } }, _setupHandles: function() { var o = this.options, handle, i, n, hname, axis, that = this; this.handles = o.handles \|\| ( !$( ".ui-resizable-handle", this.element ).length ? "e,s,se" : { n: ".ui-resizable-n", e: ".ui-resizable-e", s: ".ui-resizable-s", w: ".ui-resizable-w", se: ".ui-resizable-se", sw: ".ui-resizable-sw", ne: ".ui-resizable-ne", nw: ".ui-resizable-nw" } ); this._handles = $(); this._addedHandles = $(); if ( this.handles.constructor === String ) { if ( this.handles === "all" ) { this.handles = "n,e,s,w,se,sw,ne,nw"; } n = this.handles.split( "," ); this.handles = {}; for ( i = 0; i < n.length; i++ ) { handle = String.prototype.trim.call( n[ i ] ); hname = "ui-resizable-" + handle; axis = $( "<div>" ); this._addClass( axis, "ui-resizable-handle " + hname ); axis.css( { zIndex: o.zIndex } ); this.handles[ handle ] = ".ui-resizable-" + handle; if ( !this.element.children( this.handles[ handle ] ).length ) { this.element.append( axis ); this._addedHandles = this._addedHandles.add( axis ); } } } this._renderAxis = function( target ) { var i, axis, padPos, padWrapper; target = target \|\| this.element; for ( i in this.handles ) { if ( this.handles[ i ].constructor === String ) { this.handles[ i ] = this.element.children( this.handles[ i ] ).first().show(); } else if ( this.handles[ i ].jquery \|\| this.handles[ i ].nodeType ) { this.handles[ i ] = $( this.handles[ i ] ); this._on( this.handles[ i ], { "mousedown": that._mouseDown } ); } if ( this.elementIsWrapper && this.originalElement[ 0 ] .nodeName .match( /^(textarea\|input\|select\|button)$/i ) ) { axis = $( this.handles[ i ], this.element ); padWrapper = /sw\|ne\|nw\|se\|n\|s/.test( i ) ? axis.outerHeight() : axis.outerWidth(); padPos = [ "padding", /ne\|nw\|n/.test( i ) ? "Top" : /se\|sw\|s/.test( i ) ? "Bottom" : /^e$/.test( i ) ? "Right" : "Left" ].join( "" ); target.css( padPos, padWrapper ); this._proportionallyResize(); } this._handles = this._handles.add( this.handles[ i ] ); } }; // TODO: make renderAxis a prototype function this._renderAxis( this.element ); this._handles = this._handles.add( this.element.find( ".ui-resizable-handle" ) ); this._handles.disableSelection(); this._handles.on( "mouseover", function() { if ( !that.resizing ) { if ( this.className ) { axis = this.className.match( /ui-resizable-(se\|sw\|ne\|nw\|n\|e\|s\|w)/i ); } that.axis = axis && axis[ 1 ] ? axis[ 1 ] : "se"; } } ); if ( o.autoHide ) { this._handles.hide(); this._addClass( "ui-resizable-autohide" ); } }, _removeHandles: function() { this._addedHandles.remove(); }, _mouseCapture: function( event ) { var i, handle, capture = false; for ( i in this.handles ) { handle = $( this.handles[ i ] )[ 0 ]; if ( handle === event.target \|\| $.contains( handle, event.target ) ) { capture = true; } } return !this.options.disabled && capture; }, _mouseStart: function( event ) { var curleft, curtop, cursor, o = this.options, el = this.element; this.resizing = true; this._renderProxy(); curleft = this._num( this.helper.css( "left" ) ); curtop = this._num( this.helper.css( "top" ) ); if ( o.containment ) { curleft += $( o.containment ).scrollLeft() \|\| 0; curtop += $( o.containment ).scrollTop() \|\| 0; } this.offset = this.helper.offset(); this.position = { left: curleft, top: curtop }; this.size = this._helper ? { width: this.helper.width(), height: this.helper.height() } : { width: el.width(), height: el.height() }; this.originalSize = this._helper ? { width: el.outerWidth(), height: el.outerHeight() } : { width: el.width(), height: el.height() }; this.sizeDiff = { width: el.outerWidth() - el.width(), height: el.outerHeight() - el.height() }; this.originalPosition = { left: curleft, top: curtop }; this.originalMousePosition = { left: event.pageX, top: event.pageY }; this.aspectRatio = ( typeof o.aspectRatio === "number" ) ? o.aspectRatio : ( ( this.originalSize.width / this.originalSize.height ) \|\| 1 ); cursor = $( ".ui-resizable-" + this.axis ).css( "cursor" ); $( "body" ).css( "cursor", cursor === "auto" ? this.axis + "-resize" : cursor ); this._addClass( "ui-resizable-resizing" ); this._propagate( "start", event ); return true; }, _mouseDrag: function( event ) { var data, props, smp = this.originalMousePosition, a = this.axis, dx = ( event.pageX - smp.left ) \|\| 0, dy = ( event.pageY - smp.top ) \|\| 0, trigger = this._change[ a ]; this._updatePrevProperties(); if ( !trigger ) { return false; } data = trigger.apply( this, [ event, dx, dy ] ); this._updateVirtualBoundaries( event.shiftKey ); if ( this._aspectRatio \|\| event.shiftKey ) { data = this._updateRatio( data, event ); } data = this._respectSize( data, event ); this._updateCache( data ); this._propagate( "resize", event ); props = this._applyChanges(); if ( !this._helper && this._proportionallyResizeElements.length ) { this._proportionallyResize(); } if ( !$.isEmptyObject( props ) ) { this._updatePrevProperties(); this._trigger( "resize", event, this.ui() ); this._applyChanges(); } return false; }, _mouseStop: function( event ) { this.resizing = false; var pr, ista, soffseth, soffsetw, s, left, top, o = this.options, that = this; if ( this._helper ) { pr = this._proportionallyResizeElements; ista = pr.length && ( /textarea/i ).test( pr[ 0 ].nodeName ); soffseth = ista && this._hasScroll( pr[ 0 ], "left" ) ? 0 : that.sizeDiff.height; soffsetw = ista ? 0 : that.sizeDiff.width; s = { width: ( that.helper.width() - soffsetw ), height: ( that.helper.height() - soffseth ) }; left = ( parseFloat( that.element.css( "left" ) ) + ( that.position.left - that.originalPosition.left ) ) \|\| null; top = ( parseFloat( that.element.css( "top" ) ) + ( that.position.top - that.originalPosition.top ) ) \|\| null; if ( !o.animate ) { this.element.css( $.extend( s, { top: top, left: left } ) ); } that.helper.height( that.size.height ); that.helper.width( that.size.width ); if ( this._helper && !o.animate ) { this._proportionallyResize(); } } $( "body" ).css( "cursor", "auto" ); this._removeClass( "ui-resizable-resizing" ); this._propagate( "stop", event ); if ( this._helper ) { this.helper.remove(); } return false; }, _updatePrevProperties: function() { this.prevPosition = { top: this.position.top, left: this.position.left }; this.prevSize = { width: this.size.width, height: this.size.height }; }, _applyChanges: function() { var props = {}; if ( this.position.top !== this.prevPosition.top ) { props.top = this.position.top + "px"; } if ( this.position.left !== this.prevPosition.left ) { props.left = this.position.left + "px"; } this.helper.css( props ); if ( this.size.width !== this.prevSize.width ) { props.width = this.size.width + "px"; this.helper.width( props.width ); } if ( this.size.height !== this.prevSize.height ) { props.height = this.size.height + "px"; this.helper.height( props.height ); } return props; }, _updateVirtualBoundaries: function( forceAspectRatio ) { var pMinWidth, pMaxWidth, pMinHeight, pMaxHeight, b, o = this.options; b = { minWidth: this._isNumber( o.minWidth ) ? o.minWidth : 0, maxWidth: this._isNumber( o.maxWidth ) ? o.maxWidth : Infinity, minHeight: this._isNumber( o.minHeight ) ? o.minHeight : 0, maxHeight: this._isNumber( o.maxHeight ) ? o.maxHeight : Infinity }; if ( this._aspectRatio \|\| forceAspectRatio ) { pMinWidth = b.minHeight this.aspectRatio; pMinHeight = b.minWidth / this.aspectRatio; pMaxWidth = b.maxHeight * this.aspectRatio; pMaxHeight = b.maxWidth / this.aspectRatio; if ( pMinWidth > b.minWidth ) { b.minWidth = pMinWidth; } if ( pMinHeight > b.minHeight ) { b.minHeight = pMinHeight; } if ( pMaxWidth < b.maxWidth ) { b.maxWidth = pMaxWidth; } if ( pMaxHeight < b.maxHeight ) { b.maxHeight = pMaxHeight; } } this._vBoundaries = b; }, _updateCache: function( data ) { this.offset = this.helper.offset(); if ( this._isNumber( data.left ) ) { this.position.left = data.left; } if ( this._isNumber( data.top ) ) { this.position.top = data.top; } if ( this._isNumber( data.height ) ) { this.size.height = data.height; } if ( this._isNumber( data.width ) ) { this.size.width = data.width; } }, _updateRatio: function( data ) { var cpos = this.position, csize = this.size, a = this.axis; if ( this._isNumber( data.height ) ) { data.width = ( data.height * this.aspectRatio ); } else if ( this._isNumber( data.width ) ) { data.height = ( data.width / this.aspectRatio ); } if ( a === "sw" ) { data.left = cpos.left + ( csize.width - data.width ); data.top = null; } if ( a === "nw" ) { data.top = cpos.top + ( csize.height - data.height ); data.left = cpos.left + ( csize.width - data.width ); } return data; }, _respectSize: function( data ) { var o = this._vBoundaries, a = this.axis, ismaxw = this._isNumber( data.width ) && o.maxWidth && ( o.maxWidth < data.width ), ismaxh = this._isNumber( data.height ) && o.maxHeight && ( o.maxHeight < data.height ), isminw = this._isNumber( data.width ) && o.minWidth && ( o.minWidth > data.width ), isminh = this._isNumber( data.height ) && o.minHeight && ( o.minHeight > data.height ), dw = this.originalPosition.left + this.originalSize.width, dh = this.originalPosition.top + this.originalSize.height, cw = /sw\|nw\|w/.test( a ), ch = /nw\|ne\|n/.test( a ); if ( isminw ) { data.width = o.minWidth; } if ( isminh ) { data.height = o.minHeight; } if ( ismaxw ) { data.width = o.maxWidth; } if ( ismaxh ) { data.height = o.maxHeight; } if ( isminw && cw ) { data.left = dw - o.minWidth; } if ( ismaxw && cw ) { data.left = dw - o.maxWidth; } if ( isminh && ch ) { data.top = dh - o.minHeight; } if ( ismaxh && ch ) { data.top = dh - o.maxHeight; } // Fixing jump error on top/left - bug #2330 if ( !data.width && !data.height && !data.left && data.top ) { data.top = null; } else if ( !data.width && !data.height && !data.top && data.left ) { data.left = null; } return data; }, _getPaddingPlusBorderDimensions: function( element ) { var i = 0, widths = [], borders = [ element.css( "borderTopWidth" ), element.css( "borderRightWidth" ), element.css( "borderBottomWidth" ), element.css( "borderLeftWidth" ) ], paddings = [ element.css( "paddingTop" ), element.css( "paddingRight" ), element.css( "paddingBottom" ), element.css( "paddingLeft" ) ]; for ( ; i < 4; i++ ) { widths[ i ] = ( parseFloat( borders[ i ] ) \|\| 0 ); widths[ i ] += ( parseFloat( paddings[ i ] ) \|\| 0 ); } return { height: widths[ 0 ] + widths[ 2 ], width: widths[ 1 ] + widths[ 3 ] }; }, _proportionallyResize: function() { if ( !this._proportionallyResizeElements.length ) { return; } var prel, i = 0, element = this.helper \|\| this.element; for ( ; i < this._proportionallyResizeElements.length; i++ ) { prel = this._proportionallyResizeElements[ i ]; // TODO: Seems like a bug to cache this.outerDimensions // considering that we are in a loop. if ( !this.outerDimensions ) { this.outerDimensions = this._getPaddingPlusBorderDimensions( prel ); } prel.css( { height: ( element.height() - this.outerDimensions.height ) \|\| 0, width: ( element.width() - this.outerDimensions.width ) \|\| 0 } ); } }, _renderProxy: function() { var el = this.element, o = this.options; this.elementOffset = el.offset(); if ( this._helper ) { this.helper = this.helper \|\| $( "<div></div>" ).css( { overflow: "hidden" } ); this._addClass( this.helper, this._helper ); this.helper.css( { width: this.element.outerWidth(), height: this.element.outerHeight(), position: "absolute", left: this.elementOffset.left + "px", top: this.elementOffset.top + "px", zIndex: ++o.zIndex //TODO: Don't modify option } ); this.helper .appendTo( "body" ) .disableSelection(); } else { this.helper = this.element; } }, _change: { e: function( event, dx ) { return { width: this.originalSize.width + dx }; }, w: function( event, dx ) { var cs = this.originalSize, sp = this.originalPosition; return { left: sp.left + dx, width: cs.width - dx }; }, n: function( event, dx, dy ) { var cs = this.originalSize, sp = this.originalPosition; return { top: sp.top + dy, height: cs.height - dy }; }, s: function( event, dx, dy ) { return { height: this.originalSize.height + dy }; }, se: function( event, dx, dy ) { return $.extend( this._change.s.apply( this, arguments ), this._change.e.apply( this, [ event, dx, dy ] ) ); }, sw: function( event, dx, dy ) { return $.extend( this._change.s.apply( this, arguments ), this._change.w.apply( this, [ event, dx, dy ] ) ); }, ne: function( event, dx, dy ) { return $.extend( this._change.n.apply( this, arguments ), this._change.e.apply( this, [ event, dx, dy ] ) ); }, nw: function( event, dx, dy ) { return $.extend( this._change.n.apply( this, arguments ), this._change.w.apply( this, [ event, dx, dy ] ) ); } }, _propagate: function( n, event ) { $.ui.plugin.call( this, n, [ event, this.ui() ] ); if ( n !== "resize" ) { this._trigger( n, event, this.ui() ); } }, plugins: {}, ui: function() { return { originalElement: this.originalElement, element: this.element, helper: this.helper, position: this.position, size: this.size, originalSize: this.originalSize, originalPosition: this.originalPosition }; } } ); /* * Resizable Extensions / $.ui.plugin.add( "resizable", "animate", { stop: function( event ) { var that = $( this ).resizable( "instance" ), o = that.options, pr = that._proportionallyResizeElements, ista = pr.length && ( /textarea/i ).test( pr[ 0 ].nodeName ), soffseth = ista && that._hasScroll( pr[ 0 ], "left" ) ? 0 : that.sizeDiff.height, soffsetw = ista ? 0 : that.sizeDiff.width, style = { width: ( that.size.width - soffsetw ), height: ( that.size.height - soffseth ) }, left = ( parseFloat( that.element.css( "left" ) ) + ( that.position.left - that.originalPosition.left ) ) \|\| null, top = ( parseFloat( that.element.css( "top" ) ) + ( that.position.top - that.originalPosition.top ) ) \|\| null; that.element.animate( $.extend( style, top && left ? { top: top, left: left } : {} ), { duration: o.animateDuration, easing: o.animateEasing, step: function() { var data = { width: parseFloat( that.element.css( "width" ) ), height: parseFloat( that.element.css( "height" ) ), top: parseFloat( that.element.css( "top" ) ), left: parseFloat( that.element.css( "left" ) ) }; if ( pr && pr.length ) { $( pr[ 0 ] ).css( { width: data.width, height: data.height } ); } // Propagating resize, and updating values for each animation step that._updateCache( data ); that._propagate( "resize", event ); } } ); } } ); $.ui.plugin.add( "resizable", "containment", { start: function() { var element, p, co, ch, cw, width, height, that = $( this ).resizable( "instance" ), o = that.options, el = that.element, oc = o.containment, ce = ( oc instanceof $ ) ? oc.get( 0 ) : ( /parent/.test( oc ) ) ? el.parent().get( 0 ) : oc; if ( !ce ) { return; } that.containerElement = $( ce ); if ( /document/.test( oc ) \|\| oc === document ) { that.containerOffset = { left: 0, top: 0 }; that.containerPosition = { left: 0, top: 0 }; that.parentData = { element: $( document ), left: 0, top: 0, width: $( document ).width(), height: $( document ).height() \|\| document.body.parentNode.scrollHeight }; } else { element = $( ce ); p = []; $( [ "Top", "Right", "Left", "Bottom" ] ).each( function( i, name ) { p[ i ] = that._num( element.css( "padding" + name ) ); } ); that.containerOffset = element.offset(); that.containerPosition = element.position(); that.containerSize = { height: ( element.innerHeight() - p[ 3 ] ), width: ( element.innerWidth() - p[ 1 ] ) }; co = that.containerOffset; ch = that.containerSize.height; cw = that.containerSize.width; width = ( that._hasScroll( ce, "left" ) ? ce.scrollWidth : cw ); height = ( that._hasScroll( ce ) ? ce.scrollHeight : ch ); that.parentData = { element: ce, left: co.left, top: co.top, width: width, height: height }; } }, resize: function( event ) { var woset, hoset, isParent, isOffsetRelative, that = $( this ).resizable( "instance" ), o = that.options, co = that.containerOffset, cp = that.position, pRatio = that._aspectRatio \|\| event.shiftKey, cop = { top: 0, left: 0 }, ce = that.containerElement, continueResize = true; if ( ce[ 0 ] !== document && ( /static/ ).test( ce.css( "position" ) ) ) { cop = co; } if ( cp.left < ( that._helper ? co.left : 0 ) ) { that.size.width = that.size.width + ( that._helper ? ( that.position.left - co.left ) : ( that.position.left - cop.left ) ); if ( pRatio ) { that.size.height = that.size.width / that.aspectRatio; continueResize = false; } that.position.left = o.helper ? co.left : 0; } if ( cp.top < ( that._helper ? co.top : 0 ) ) { that.size.height = that.size.height + ( that._helper ? ( that.position.top - co.top ) : that.position.top ); if ( pRatio ) { that.size.width = that.size.height that.aspectRatio; continueResize = false; } that.position.top = that._helper ? co.top : 0; } isParent = that.containerElement.get( 0 ) === that.element.parent().get( 0 ); isOffsetRelative = /relative\|absolute/.test( that.containerElement.css( "position" ) ); if ( isParent && isOffsetRelative ) { that.offset.left = that.parentData.left + that.position.left; that.offset.top = that.parentData.top + that.position.top; } else { that.offset.left = that.element.offset().left; that.offset.top = that.element.offset().top; } woset = Math.abs( that.sizeDiff.width + ( that._helper ? that.offset.left - cop.left : ( that.offset.left - co.left ) ) ); hoset = Math.abs( that.sizeDiff.height + ( that._helper ? that.offset.top - cop.top : ( that.offset.top - co.top ) ) ); if ( woset + that.size.width >= that.parentData.width ) { that.size.width = that.parentData.width - woset; if ( pRatio ) { that.size.height = that.size.width / that.aspectRatio; continueResize = false; } } if ( hoset + that.size.height >= that.parentData.height ) { that.size.height = that.parentData.height - hoset; if ( pRatio ) { that.size.width = that.size.height * that.aspectRatio; continueResize = false; } } if ( !continueResize ) { that.position.left = that.prevPosition.left; that.position.top = that.prevPosition.top; that.size.width = that.prevSize.width; that.size.height = that.prevSize.height; } }, stop: function() { var that = $( this ).resizable( "instance" ), o = that.options, co = that.containerOffset, cop = that.containerPosition, ce = that.containerElement, helper = $( that.helper ), ho = helper.offset(), w = helper.outerWidth() - that.sizeDiff.width, h = helper.outerHeight() - that.sizeDiff.height; if ( that._helper && !o.animate && ( /relative/ ).test( ce.css( "position" ) ) ) { $( this ).css( { left: ho.left - cop.left - co.left, width: w, height: h } ); } if ( that._helper && !o.animate && ( /static/ ).test( ce.css( "position" ) ) ) { $( this ).css( { left: ho.left - cop.left - co.left, width: w, height: h } ); } } } ); $.ui.plugin.add( "resizable", "alsoResize", { start: function() { var that = $( this ).resizable( "instance" ), o = that.options; $( o.alsoResize ).each( function() { var el = $( this ); el.data( "ui-resizable-alsoresize", { width: parseFloat( el.css( "width" ) ), height: parseFloat( el.css( "height" ) ), left: parseFloat( el.css( "left" ) ), top: parseFloat( el.css( "top" ) ) } ); } ); }, resize: function( event, ui ) { var that = $( this ).resizable( "instance" ), o = that.options, os = that.originalSize, op = that.originalPosition, delta = { height: ( that.size.height - os.height ) \|\| 0, width: ( that.size.width - os.width ) \|\| 0, top: ( that.position.top - op.top ) \|\| 0, left: ( that.position.left - op.left ) \|\| 0 }; $( o.alsoResize ).each( function() { var el = $( this ), start = $( this ).data( "ui-resizable-alsoresize" ), style = {}, css = el.parents( ui.originalElement[ 0 ] ).length ? [ "width", "height" ] : [ "width", "height", "top", "left" ]; $.each( css, function( i, prop ) { var sum = ( start[ prop ] \|\| 0 ) + ( delta[ prop ] \|\| 0 ); if ( sum && sum >= 0 ) { style[ prop ] = sum \|\| null; } } ); el.css( style ); } ); }, stop: function() { $( this ).removeData( "ui-resizable-alsoresize" ); } } ); $.ui.plugin.add( "resizable", "ghost", { start: function() { var that = $( this ).resizable( "instance" ), cs = that.size; that.ghost = that.originalElement.clone(); that.ghost.css( { opacity: 0.25, display: "block", position: "relative", height: cs.height, width: cs.width, margin: 0, left: 0, top: 0 } ); that._addClass( that.ghost, "ui-resizable-ghost" ); // DEPRECATED // TODO: remove after 1.12 if ( $.uiBackCompat !== false && typeof that.options.ghost === "string" ) { // Ghost option that.ghost.addClass( this.options.ghost ); } that.ghost.appendTo( that.helper ); }, resize: function() { var that = $( this ).resizable( "instance" ); if ( that.ghost ) { that.ghost.css( { position: "relative", height: that.size.height, width: that.size.width } ); } }, stop: function() { var that = $( this ).resizable( "instance" ); if ( that.ghost && that.helper ) { that.helper.get( 0 ).removeChild( that.ghost.get( 0 ) ); } } } ); $.ui.plugin.add( "resizable", "grid", { resize: function() { var outerDimensions, that = $( this ).resizable( "instance" ), o = that.options, cs = that.size, os = that.originalSize, op = that.originalPosition, a = that.axis, grid = typeof o.grid === "number" ? [ o.grid, o.grid ] : o.grid, gridX = ( grid[ 0 ] \|\| 1 ), gridY = ( grid[ 1 ] \|\| 1 ), ox = Math.round( ( cs.width - os.width ) / gridX ) * gridX, oy = Math.round( ( cs.height - os.height ) / gridY ) * gridY, newWidth = os.width + ox, newHeight = os.height + oy, isMaxWidth = o.maxWidth && ( o.maxWidth < newWidth ), isMaxHeight = o.maxHeight && ( o.maxHeight < newHeight ), isMinWidth = o.minWidth && ( o.minWidth > newWidth ), isMinHeight = o.minHeight && ( o.minHeight > newHeight ); o.grid = grid; if ( isMinWidth ) { newWidth += gridX; } if ( isMinHeight ) { newHeight += gridY; } if ( isMaxWidth ) { newWidth -= gridX; } if ( isMaxHeight ) { newHeight -= gridY; } if ( /^(se\|s\|e)$/.test( a ) ) { that.size.width = newWidth; that.size.height = newHeight; } else if ( /^(ne)$/.test( a ) ) { that.size.width = newWidth; that.size.height = newHeight; that.position.top = op.top - oy; } else if ( /^(sw)$/.test( a ) ) { that.size.width = newWidth; that.size.height = newHeight; that.position.left = op.left - ox; } else { if ( newHeight - gridY <= 0 \|\| newWidth - gridX <= 0 ) { outerDimensions = that._getPaddingPlusBorderDimensions( this ); } if ( newHeight - gridY > 0 ) { that.size.height = newHeight; that.position.top = op.top - oy; } else { newHeight = gridY - outerDimensions.height; that.size.height = newHeight; that.position.top = op.top + os.height - newHeight; } if ( newWidth - gridX > 0 ) { that.size.width = newWidth; that.position.left = op.left - ox; } else { newWidth = gridX - outerDimensions.width; that.size.width = newWidth; that.position.left = op.left + os.width - newWidth; } } } } ); return $.ui.resizable; } ); Back

Edit File : resizable.js | Size : 29.78 KB

/*!
 * jQuery UI Resizable 1.13.3
 * https://jqueryui.com
 *
 * Copyright OpenJS Foundation and other contributors
 * Released under the MIT license.
 * https://jquery.org/license
 */

//>>label: Resizable
//>>group: Interactions
//>>description: Enables resize functionality for any element.
//>>docs: https://api.jqueryui.com/resizable/
//>>demos: https://jqueryui.com/resizable/
//>>css.structure: ../../themes/base/core.css
//>>css.structure: ../../themes/base/resizable.css
//>>css.theme: ../../themes/base/theme.css

( function( factory ) {
	"use strict";

if ( typeof define === "function" && define.amd ) {

// AMD. Register as an anonymous module.
		define( [
			"jquery",
			"./mouse",
			"../disable-selection",
			"../plugin",
			"../version",
			"../widget"
		], factory );
	} else {

// Browser globals
		factory( jQuery );
	}
} )( function( $ ) {
"use strict";

$.widget( "ui.resizable", $.ui.mouse, {
	version: "1.13.3",
	widgetEventPrefix: "resize",
	options: {
		alsoResize: false,
		animate: false,
		animateDuration: "slow",
		animateEasing: "swing",
		aspectRatio: false,
		autoHide: false,
		classes: {
			"ui-resizable-se": "ui-icon ui-icon-gripsmall-diagonal-se"
		},
		containment: false,
		ghost: false,
		grid: false,
		handles: "e,s,se",
		helper: false,
		maxHeight: null,
		maxWidth: null,
		minHeight: 10,
		minWidth: 10,

// See #7960
		zIndex: 90,

// Callbacks
		resize: null,
		start: null,
		stop: null
	},

_num: function( value ) {
		return parseFloat( value ) || 0;
	},

_isNumber: function( value ) {
		return !isNaN( parseFloat( value ) );
	},

_hasScroll: function( el, a ) {

if ( $( el ).css( "overflow" ) === "hidden" ) {
			return false;
		}

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

if ( el[ scroll ] > 0 ) {
			return true;
		}

// TODO: determine which cases actually cause this to happen
		// if the element doesn't have the scroll set, see if it's possible to
		// set the scroll
		try {
			el[ scroll ] = 1;
			has = ( el[ scroll ] > 0 );
			el[ scroll ] = 0;
		} catch ( e ) {

// `el` might be a string, then setting `scroll` will throw
			// an error in strict mode; ignore it.
		}
		return has;
	},

_create: function() {

var margins,
			o = this.options,
			that = this;
		this._addClass( "ui-resizable" );

$.extend( this, {
			_aspectRatio: !!( o.aspectRatio ),
			aspectRatio: o.aspectRatio,
			originalElement: this.element,
			_proportionallyResizeElements: [],
			_helper: o.helper || o.ghost || o.animate ? o.helper || "ui-resizable-helper" : null
		} );

// Wrap the element if it cannot hold child nodes
		if ( this.element[ 0 ].nodeName.match( /^(canvas|textarea|input|select|button|img)$/i ) ) {

this.element.wrap(
				$( "<div class='ui-wrapper'></div>" ).css( {
					overflow: "hidden",
					position: this.element.css( "position" ),
					width: this.element.outerWidth(),
					height: this.element.outerHeight(),
					top: this.element.css( "top" ),
					left: this.element.css( "left" )
				} )
			);

this.element = this.element.parent().data(
				"ui-resizable", this.element.resizable( "instance" )
			);

this.elementIsWrapper = true;

margins = {
				marginTop: this.originalElement.css( "marginTop" ),
				marginRight: this.originalElement.css( "marginRight" ),
				marginBottom: this.originalElement.css( "marginBottom" ),
				marginLeft: this.originalElement.css( "marginLeft" )
			};

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

// support: Safari
			// Prevent Safari textarea resize
			this.originalResizeStyle = this.originalElement.css( "resize" );
			this.originalElement.css( "resize", "none" );

this._proportionallyResizeElements.push( this.originalElement.css( {
				position: "static",
				zoom: 1,
				display: "block"
			} ) );

// Support: IE9
			// avoid IE jump (hard set the margin)
			this.originalElement.css( margins );

this._proportionallyResize();
		}

this._setupHandles();

if ( o.autoHide ) {
			$( this.element )
				.on( "mouseenter", function() {
					if ( o.disabled ) {
						return;
					}
					that._removeClass( "ui-resizable-autohide" );
					that._handles.show();
				} )
				.on( "mouseleave", function() {
					if ( o.disabled ) {
						return;
					}
					if ( !that.resizing ) {
						that._addClass( "ui-resizable-autohide" );
						that._handles.hide();
					}
				} );
		}

this._mouseInit();
	},

_destroy: function() {

this._mouseDestroy();
		this._addedHandles.remove();

var wrapper,
			_destroy = function( exp ) {
				$( exp )
					.removeData( "resizable" )
					.removeData( "ui-resizable" )
					.off( ".resizable" );
			};

// TODO: Unwrap at same DOM position
		if ( this.elementIsWrapper ) {
			_destroy( this.element );
			wrapper = this.element;
			this.originalElement.css( {
				position: wrapper.css( "position" ),
				width: wrapper.outerWidth(),
				height: wrapper.outerHeight(),
				top: wrapper.css( "top" ),
				left: wrapper.css( "left" )
			} ).insertAfter( wrapper );
			wrapper.remove();
		}

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

return this;
	},

_setOption: function( key, value ) {
		this._super( key, value );

switch ( key ) {
		case "handles":
			this._removeHandles();
			this._setupHandles();
			break;
		case "aspectRatio":
			this._aspectRatio = !!value;
			break;
		default:
			break;
		}
	},

_setupHandles: function() {
		var o = this.options, handle, i, n, hname, axis, that = this;
		this.handles = o.handles ||
			( !$( ".ui-resizable-handle", this.element ).length ?
				"e,s,se" : {
					n: ".ui-resizable-n",
					e: ".ui-resizable-e",
					s: ".ui-resizable-s",
					w: ".ui-resizable-w",
					se: ".ui-resizable-se",
					sw: ".ui-resizable-sw",
					ne: ".ui-resizable-ne",
					nw: ".ui-resizable-nw"
				} );

this._handles = $();
		this._addedHandles = $();
		if ( this.handles.constructor === String ) {

if ( this.handles === "all" ) {
				this.handles = "n,e,s,w,se,sw,ne,nw";
			}

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

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

handle = String.prototype.trim.call( n[ i ] );
				hname = "ui-resizable-" + handle;
				axis = $( "<div>" );
				this._addClass( axis, "ui-resizable-handle " + hname );

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

this.handles[ handle ] = ".ui-resizable-" + handle;
				if ( !this.element.children( this.handles[ handle ] ).length ) {
					this.element.append( axis );
					this._addedHandles = this._addedHandles.add( axis );
				}
			}

}

this._renderAxis = function( target ) {

var i, axis, padPos, padWrapper;

target = target || this.element;

for ( i in this.handles ) {

if ( this.handles[ i ].constructor === String ) {
					this.handles[ i ] = this.element.children( this.handles[ i ] ).first().show();
				} else if ( this.handles[ i ].jquery || this.handles[ i ].nodeType ) {
					this.handles[ i ] = $( this.handles[ i ] );
					this._on( this.handles[ i ], { "mousedown": that._mouseDown } );
				}

if ( this.elementIsWrapper &&
						this.originalElement[ 0 ]
							.nodeName
							.match( /^(textarea|input|select|button)$/i ) ) {
					axis = $( this.handles[ i ], this.element );

padWrapper = /sw|ne|nw|se|n|s/.test( i ) ?
						axis.outerHeight() :
						axis.outerWidth();

padPos = [ "padding",
						/ne|nw|n/.test( i ) ? "Top" :
						/se|sw|s/.test( i ) ? "Bottom" :
						/^e$/.test( i ) ? "Right" : "Left" ].join( "" );

target.css( padPos, padWrapper );

this._proportionallyResize();
				}

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

// TODO: make renderAxis a prototype function
		this._renderAxis( this.element );

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

this._handles.on( "mouseover", function() {
			if ( !that.resizing ) {
				if ( this.className ) {
					axis = this.className.match( /ui-resizable-(se|sw|ne|nw|n|e|s|w)/i );
				}
				that.axis = axis && axis[ 1 ] ? axis[ 1 ] : "se";
			}
		} );

if ( o.autoHide ) {
			this._handles.hide();
			this._addClass( "ui-resizable-autohide" );
		}
	},

_removeHandles: function() {
		this._addedHandles.remove();
	},

_mouseCapture: function( event ) {
		var i, handle,
			capture = false;

for ( i in this.handles ) {
			handle = $( this.handles[ i ] )[ 0 ];
			if ( handle === event.target || $.contains( handle, event.target ) ) {
				capture = true;
			}
		}

return !this.options.disabled && capture;
	},

_mouseStart: function( event ) {

var curleft, curtop, cursor,
			o = this.options,
			el = this.element;

this.resizing = true;

this._renderProxy();

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

if ( o.containment ) {
			curleft += $( o.containment ).scrollLeft() || 0;
			curtop += $( o.containment ).scrollTop() || 0;
		}

this.offset = this.helper.offset();
		this.position = { left: curleft, top: curtop };

this.size = this._helper ? {
				width: this.helper.width(),
				height: this.helper.height()
			} : {
				width: el.width(),
				height: el.height()
			};

this.originalSize = this._helper ? {
				width: el.outerWidth(),
				height: el.outerHeight()
			} : {
				width: el.width(),
				height: el.height()
			};

this.sizeDiff = {
			width: el.outerWidth() - el.width(),
			height: el.outerHeight() - el.height()
		};

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

this.aspectRatio = ( typeof o.aspectRatio === "number" ) ?
			o.aspectRatio :
			( ( this.originalSize.width / this.originalSize.height ) || 1 );

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

this._addClass( "ui-resizable-resizing" );
		this._propagate( "start", event );
		return true;
	},

_mouseDrag: function( event ) {

var data, props,
			smp = this.originalMousePosition,
			a = this.axis,
			dx = ( event.pageX - smp.left ) || 0,
			dy = ( event.pageY - smp.top ) || 0,
			trigger = this._change[ a ];

this._updatePrevProperties();

if ( !trigger ) {
			return false;
		}

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

this._updateVirtualBoundaries( event.shiftKey );
		if ( this._aspectRatio || event.shiftKey ) {
			data = this._updateRatio( data, event );
		}

data = this._respectSize( data, event );

this._updateCache( data );

this._propagate( "resize", event );

props = this._applyChanges();

if ( !this._helper && this._proportionallyResizeElements.length ) {
			this._proportionallyResize();
		}

if ( !$.isEmptyObject( props ) ) {
			this._updatePrevProperties();
			this._trigger( "resize", event, this.ui() );
			this._applyChanges();
		}

return false;
	},

_mouseStop: function( event ) {

this.resizing = false;
		var pr, ista, soffseth, soffsetw, s, left, top,
			o = this.options, that = this;

if ( this._helper ) {

pr = this._proportionallyResizeElements;
			ista = pr.length && ( /textarea/i ).test( pr[ 0 ].nodeName );
			soffseth = ista && this._hasScroll( pr[ 0 ], "left" ) ? 0 : that.sizeDiff.height;
			soffsetw = ista ? 0 : that.sizeDiff.width;

s = {
				width: ( that.helper.width()  - soffsetw ),
				height: ( that.helper.height() - soffseth )
			};
			left = ( parseFloat( that.element.css( "left" ) ) +
				( that.position.left - that.originalPosition.left ) ) || null;
			top = ( parseFloat( that.element.css( "top" ) ) +
				( that.position.top - that.originalPosition.top ) ) || null;

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

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

if ( this._helper && !o.animate ) {
				this._proportionallyResize();
			}
		}

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

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

this._propagate( "stop", event );

if ( this._helper ) {
			this.helper.remove();
		}

return false;

_updatePrevProperties: function() {
		this.prevPosition = {
			top: this.position.top,
			left: this.position.left
		};
		this.prevSize = {
			width: this.size.width,
			height: this.size.height
		};
	},

_applyChanges: function() {
		var props = {};

if ( this.position.top !== this.prevPosition.top ) {
			props.top = this.position.top + "px";
		}
		if ( this.position.left !== this.prevPosition.left ) {
			props.left = this.position.left + "px";
		}

this.helper.css( props );

if ( this.size.width !== this.prevSize.width ) {
			props.width = this.size.width + "px";
			this.helper.width( props.width );
		}
		if ( this.size.height !== this.prevSize.height ) {
			props.height = this.size.height + "px";
			this.helper.height( props.height );
		}

return props;
	},

_updateVirtualBoundaries: function( forceAspectRatio ) {
		var pMinWidth, pMaxWidth, pMinHeight, pMaxHeight, b,
			o = this.options;

b = {
			minWidth: this._isNumber( o.minWidth ) ? o.minWidth : 0,
			maxWidth: this._isNumber( o.maxWidth ) ? o.maxWidth : Infinity,
			minHeight: this._isNumber( o.minHeight ) ? o.minHeight : 0,
			maxHeight: this._isNumber( o.maxHeight ) ? o.maxHeight : Infinity
		};

if ( this._aspectRatio || forceAspectRatio ) {
			pMinWidth = b.minHeight * this.aspectRatio;
			pMinHeight = b.minWidth / this.aspectRatio;
			pMaxWidth = b.maxHeight * this.aspectRatio;
			pMaxHeight = b.maxWidth / this.aspectRatio;

if ( pMinWidth > b.minWidth ) {
				b.minWidth = pMinWidth;
			}
			if ( pMinHeight > b.minHeight ) {
				b.minHeight = pMinHeight;
			}
			if ( pMaxWidth < b.maxWidth ) {
				b.maxWidth = pMaxWidth;
			}
			if ( pMaxHeight < b.maxHeight ) {
				b.maxHeight = pMaxHeight;
			}
		}
		this._vBoundaries = b;
	},

_updateCache: function( data ) {
		this.offset = this.helper.offset();
		if ( this._isNumber( data.left ) ) {
			this.position.left = data.left;
		}
		if ( this._isNumber( data.top ) ) {
			this.position.top = data.top;
		}
		if ( this._isNumber( data.height ) ) {
			this.size.height = data.height;
		}
		if ( this._isNumber( data.width ) ) {
			this.size.width = data.width;
		}
	},

_updateRatio: function( data ) {

var cpos = this.position,
			csize = this.size,
			a = this.axis;

if ( this._isNumber( data.height ) ) {
			data.width = ( data.height * this.aspectRatio );
		} else if ( this._isNumber( data.width ) ) {
			data.height = ( data.width / this.aspectRatio );
		}

if ( a === "sw" ) {
			data.left = cpos.left + ( csize.width - data.width );
			data.top = null;
		}
		if ( a === "nw" ) {
			data.top = cpos.top + ( csize.height - data.height );
			data.left = cpos.left + ( csize.width - data.width );
		}

return data;
	},

_respectSize: function( data ) {

if ( isminw && cw ) {
			data.left = dw - o.minWidth;
		}
		if ( ismaxw && cw ) {
			data.left = dw - o.maxWidth;
		}
		if ( isminh && ch ) {
			data.top = dh - o.minHeight;
		}
		if ( ismaxh && ch ) {
			data.top = dh - o.maxHeight;
		}

// Fixing jump error on top/left - bug #2330
		if ( !data.width && !data.height && !data.left && data.top ) {
			data.top = null;
		} else if ( !data.width && !data.height && !data.top && data.left ) {
			data.left = null;
		}

return data;
	},

_getPaddingPlusBorderDimensions: function( element ) {
		var i = 0,
			widths = [],
			borders = [
				element.css( "borderTopWidth" ),
				element.css( "borderRightWidth" ),
				element.css( "borderBottomWidth" ),
				element.css( "borderLeftWidth" )
			],
			paddings = [
				element.css( "paddingTop" ),
				element.css( "paddingRight" ),
				element.css( "paddingBottom" ),
				element.css( "paddingLeft" )
			];

for ( ; i < 4; i++ ) {
			widths[ i ] = ( parseFloat( borders[ i ] ) || 0 );
			widths[ i ] += ( parseFloat( paddings[ i ] ) || 0 );
		}

return {
			height: widths[ 0 ] + widths[ 2 ],
			width: widths[ 1 ] + widths[ 3 ]
		};
	},

_proportionallyResize: function() {

if ( !this._proportionallyResizeElements.length ) {
			return;
		}

var prel,
			i = 0,
			element = this.helper || this.element;

for ( ; i < this._proportionallyResizeElements.length; i++ ) {

prel = this._proportionallyResizeElements[ i ];

// TODO: Seems like a bug to cache this.outerDimensions
			// considering that we are in a loop.
			if ( !this.outerDimensions ) {
				this.outerDimensions = this._getPaddingPlusBorderDimensions( prel );
			}

prel.css( {
				height: ( element.height() - this.outerDimensions.height ) || 0,
				width: ( element.width() - this.outerDimensions.width ) || 0
			} );

}

_renderProxy: function() {

var el = this.element, o = this.options;
		this.elementOffset = el.offset();

if ( this._helper ) {

this.helper = this.helper || $( "<div></div>" ).css( { overflow: "hidden" } );

this._addClass( this.helper, this._helper );
			this.helper.css( {
				width: this.element.outerWidth(),
				height: this.element.outerHeight(),
				position: "absolute",
				left: this.elementOffset.left + "px",
				top: this.elementOffset.top + "px",
				zIndex: ++o.zIndex //TODO: Don't modify option
			} );

this.helper
				.appendTo( "body" )
				.disableSelection();

} else {
			this.helper = this.element;
		}

_change: {
		e: function( event, dx ) {
			return { width: this.originalSize.width + dx };
		},
		w: function( event, dx ) {
			var cs = this.originalSize, sp = this.originalPosition;
			return { left: sp.left + dx, width: cs.width - dx };
		},
		n: function( event, dx, dy ) {
			var cs = this.originalSize, sp = this.originalPosition;
			return { top: sp.top + dy, height: cs.height - dy };
		},
		s: function( event, dx, dy ) {
			return { height: this.originalSize.height + dy };
		},
		se: function( event, dx, dy ) {
			return $.extend( this._change.s.apply( this, arguments ),
				this._change.e.apply( this, [ event, dx, dy ] ) );
		},
		sw: function( event, dx, dy ) {
			return $.extend( this._change.s.apply( this, arguments ),
				this._change.w.apply( this, [ event, dx, dy ] ) );
		},
		ne: function( event, dx, dy ) {
			return $.extend( this._change.n.apply( this, arguments ),
				this._change.e.apply( this, [ event, dx, dy ] ) );
		},
		nw: function( event, dx, dy ) {
			return $.extend( this._change.n.apply( this, arguments ),
				this._change.w.apply( this, [ event, dx, dy ] ) );
		}
	},

_propagate: function( n, event ) {
		$.ui.plugin.call( this, n, [ event, this.ui() ] );
		if ( n !== "resize" ) {
			this._trigger( n, event, this.ui() );
		}
	},

plugins: {},

ui: function() {
		return {
			originalElement: this.originalElement,
			element: this.element,
			helper: this.helper,
			position: this.position,
			size: this.size,
			originalSize: this.originalSize,
			originalPosition: this.originalPosition
		};
	}

} );

/*
 * Resizable Extensions
 */

$.ui.plugin.add( "resizable", "animate", {

stop: function( event ) {
		var that = $( this ).resizable( "instance" ),
			o = that.options,
			pr = that._proportionallyResizeElements,
			ista = pr.length && ( /textarea/i ).test( pr[ 0 ].nodeName ),
			soffseth = ista && that._hasScroll( pr[ 0 ], "left" ) ? 0 : that.sizeDiff.height,
			soffsetw = ista ? 0 : that.sizeDiff.width,
			style = {
				width: ( that.size.width - soffsetw ),
				height: ( that.size.height - soffseth )
			},
			left = ( parseFloat( that.element.css( "left" ) ) +
				( that.position.left - that.originalPosition.left ) ) || null,
			top = ( parseFloat( that.element.css( "top" ) ) +
				( that.position.top - that.originalPosition.top ) ) || null;

that.element.animate(
			$.extend( style, top && left ? { top: top, left: left } : {} ), {
				duration: o.animateDuration,
				easing: o.animateEasing,
				step: function() {

var data = {
						width: parseFloat( that.element.css( "width" ) ),
						height: parseFloat( that.element.css( "height" ) ),
						top: parseFloat( that.element.css( "top" ) ),
						left: parseFloat( that.element.css( "left" ) )
					};

if ( pr && pr.length ) {
						$( pr[ 0 ] ).css( { width: data.width, height: data.height } );
					}

// Propagating resize, and updating values for each animation step
					that._updateCache( data );
					that._propagate( "resize", event );

}
			}
		);
	}

} );

$.ui.plugin.add( "resizable", "containment", {

start: function() {
		var element, p, co, ch, cw, width, height,
			that = $( this ).resizable( "instance" ),
			o = that.options,
			el = that.element,
			oc = o.containment,
			ce = ( oc instanceof $ ) ?
				oc.get( 0 ) :
				( /parent/.test( oc ) ) ? el.parent().get( 0 ) : oc;

if ( !ce ) {
			return;
		}

that.containerElement = $( ce );

if ( /document/.test( oc ) || oc === document ) {
			that.containerOffset = {
				left: 0,
				top: 0
			};
			that.containerPosition = {
				left: 0,
				top: 0
			};

that.parentData = {
				element: $( document ),
				left: 0,
				top: 0,
				width: $( document ).width(),
				height: $( document ).height() || document.body.parentNode.scrollHeight
			};
		} else {
			element = $( ce );
			p = [];
			$( [ "Top", "Right", "Left", "Bottom" ] ).each( function( i, name ) {
				p[ i ] = that._num( element.css( "padding" + name ) );
			} );

that.containerOffset = element.offset();
			that.containerPosition = element.position();
			that.containerSize = {
				height: ( element.innerHeight() - p[ 3 ] ),
				width: ( element.innerWidth() - p[ 1 ] )
			};

co = that.containerOffset;
			ch = that.containerSize.height;
			cw = that.containerSize.width;
			width = ( that._hasScroll( ce, "left" ) ? ce.scrollWidth : cw );
			height = ( that._hasScroll( ce ) ? ce.scrollHeight : ch );

that.parentData = {
				element: ce,
				left: co.left,
				top: co.top,
				width: width,
				height: height
			};
		}
	},

resize: function( event ) {
		var woset, hoset, isParent, isOffsetRelative,
			that = $( this ).resizable( "instance" ),
			o = that.options,
			co = that.containerOffset,
			cp = that.position,
			pRatio = that._aspectRatio || event.shiftKey,
			cop = {
				top: 0,
				left: 0
			},
			ce = that.containerElement,
			continueResize = true;

if ( ce[ 0 ] !== document && ( /static/ ).test( ce.css( "position" ) ) ) {
			cop = co;
		}

if ( cp.left < ( that._helper ? co.left : 0 ) ) {
			that.size.width = that.size.width +
				( that._helper ?
					( that.position.left - co.left ) :
					( that.position.left - cop.left ) );

if ( pRatio ) {
				that.size.height = that.size.width / that.aspectRatio;
				continueResize = false;
			}
			that.position.left = o.helper ? co.left : 0;
		}

if ( cp.top < ( that._helper ? co.top : 0 ) ) {
			that.size.height = that.size.height +
				( that._helper ?
					( that.position.top - co.top ) :
					that.position.top );

if ( pRatio ) {
				that.size.width = that.size.height * that.aspectRatio;
				continueResize = false;
			}
			that.position.top = that._helper ? co.top : 0;
		}

isParent = that.containerElement.get( 0 ) === that.element.parent().get( 0 );
		isOffsetRelative = /relative|absolute/.test( that.containerElement.css( "position" ) );

if ( isParent && isOffsetRelative ) {
			that.offset.left = that.parentData.left + that.position.left;
			that.offset.top = that.parentData.top + that.position.top;
		} else {
			that.offset.left = that.element.offset().left;
			that.offset.top = that.element.offset().top;
		}

woset = Math.abs( that.sizeDiff.width +
			( that._helper ?
				that.offset.left - cop.left :
				( that.offset.left - co.left ) ) );

hoset = Math.abs( that.sizeDiff.height +
			( that._helper ?
				that.offset.top - cop.top :
				( that.offset.top - co.top ) ) );

if ( woset + that.size.width >= that.parentData.width ) {
			that.size.width = that.parentData.width - woset;
			if ( pRatio ) {
				that.size.height = that.size.width / that.aspectRatio;
				continueResize = false;
			}
		}

if ( hoset + that.size.height >= that.parentData.height ) {
			that.size.height = that.parentData.height - hoset;
			if ( pRatio ) {
				that.size.width = that.size.height * that.aspectRatio;
				continueResize = false;
			}
		}

if ( !continueResize ) {
			that.position.left = that.prevPosition.left;
			that.position.top = that.prevPosition.top;
			that.size.width = that.prevSize.width;
			that.size.height = that.prevSize.height;
		}
	},

stop: function() {
		var that = $( this ).resizable( "instance" ),
			o = that.options,
			co = that.containerOffset,
			cop = that.containerPosition,
			ce = that.containerElement,
			helper = $( that.helper ),
			ho = helper.offset(),
			w = helper.outerWidth() - that.sizeDiff.width,
			h = helper.outerHeight() - that.sizeDiff.height;

if ( that._helper && !o.animate && ( /relative/ ).test( ce.css( "position" ) ) ) {
			$( this ).css( {
				left: ho.left - cop.left - co.left,
				width: w,
				height: h
			} );
		}

if ( that._helper && !o.animate && ( /static/ ).test( ce.css( "position" ) ) ) {
			$( this ).css( {
				left: ho.left - cop.left - co.left,
				width: w,
				height: h
			} );
		}
	}
} );

$.ui.plugin.add( "resizable", "alsoResize", {

start: function() {
		var that = $( this ).resizable( "instance" ),
			o = that.options;

$( o.alsoResize ).each( function() {
			var el = $( this );
			el.data( "ui-resizable-alsoresize", {
				width: parseFloat( el.css( "width" ) ), height: parseFloat( el.css( "height" ) ),
				left: parseFloat( el.css( "left" ) ), top: parseFloat( el.css( "top" ) )
			} );
		} );
	},

resize: function( event, ui ) {
		var that = $( this ).resizable( "instance" ),
			o = that.options,
			os = that.originalSize,
			op = that.originalPosition,
			delta = {
				height: ( that.size.height - os.height ) || 0,
				width: ( that.size.width - os.width ) || 0,
				top: ( that.position.top - op.top ) || 0,
				left: ( that.position.left - op.left ) || 0
			};

$( o.alsoResize ).each( function() {
				var el = $( this ), start = $( this ).data( "ui-resizable-alsoresize" ), style = {},
					css = el.parents( ui.originalElement[ 0 ] ).length ?
							[ "width", "height" ] :
							[ "width", "height", "top", "left" ];

$.each( css, function( i, prop ) {
					var sum = ( start[ prop ] || 0 ) + ( delta[ prop ] || 0 );
					if ( sum && sum >= 0 ) {
						style[ prop ] = sum || null;
					}
				} );

el.css( style );
			} );
	},

stop: function() {
		$( this ).removeData( "ui-resizable-alsoresize" );
	}
} );

$.ui.plugin.add( "resizable", "ghost", {

start: function() {

var that = $( this ).resizable( "instance" ), cs = that.size;

that.ghost = that.originalElement.clone();
		that.ghost.css( {
			opacity: 0.25,
			display: "block",
			position: "relative",
			height: cs.height,
			width: cs.width,
			margin: 0,
			left: 0,
			top: 0
		} );

that._addClass( that.ghost, "ui-resizable-ghost" );

// DEPRECATED
		// TODO: remove after 1.12
		if ( $.uiBackCompat !== false && typeof that.options.ghost === "string" ) {

// Ghost option
			that.ghost.addClass( this.options.ghost );
		}

that.ghost.appendTo( that.helper );

resize: function() {
		var that = $( this ).resizable( "instance" );
		if ( that.ghost ) {
			that.ghost.css( {
				position: "relative",
				height: that.size.height,
				width: that.size.width
			} );
		}
	},

stop: function() {
		var that = $( this ).resizable( "instance" );
		if ( that.ghost && that.helper ) {
			that.helper.get( 0 ).removeChild( that.ghost.get( 0 ) );
		}
	}

} );

$.ui.plugin.add( "resizable", "grid", {

resize: function() {
		var outerDimensions,
			that = $( this ).resizable( "instance" ),
			o = that.options,
			cs = that.size,
			os = that.originalSize,
			op = that.originalPosition,
			a = that.axis,
			grid = typeof o.grid === "number" ? [ o.grid, o.grid ] : o.grid,
			gridX = ( grid[ 0 ] || 1 ),
			gridY = ( grid[ 1 ] || 1 ),
			ox = Math.round( ( cs.width - os.width ) / gridX ) * gridX,
			oy = Math.round( ( cs.height - os.height ) / gridY ) * gridY,
			newWidth = os.width + ox,
			newHeight = os.height + oy,
			isMaxWidth = o.maxWidth && ( o.maxWidth < newWidth ),
			isMaxHeight = o.maxHeight && ( o.maxHeight < newHeight ),
			isMinWidth = o.minWidth && ( o.minWidth > newWidth ),
			isMinHeight = o.minHeight && ( o.minHeight > newHeight );

o.grid = grid;

if ( isMinWidth ) {
			newWidth += gridX;
		}
		if ( isMinHeight ) {
			newHeight += gridY;
		}
		if ( isMaxWidth ) {
			newWidth -= gridX;
		}
		if ( isMaxHeight ) {
			newHeight -= gridY;
		}

if ( /^(se|s|e)$/.test( a ) ) {
			that.size.width = newWidth;
			that.size.height = newHeight;
		} else if ( /^(ne)$/.test( a ) ) {
			that.size.width = newWidth;
			that.size.height = newHeight;
			that.position.top = op.top - oy;
		} else if ( /^(sw)$/.test( a ) ) {
			that.size.width = newWidth;
			that.size.height = newHeight;
			that.position.left = op.left - ox;
		} else {
			if ( newHeight - gridY <= 0 || newWidth - gridX <= 0 ) {
				outerDimensions = that._getPaddingPlusBorderDimensions( this );
			}

if ( newHeight - gridY > 0 ) {
				that.size.height = newHeight;
				that.position.top = op.top - oy;
			} else {
				newHeight = gridY - outerDimensions.height;
				that.size.height = newHeight;
				that.position.top = op.top + os.height - newHeight;
			}
			if ( newWidth - gridX > 0 ) {
				that.size.width = newWidth;
				that.position.left = op.left - ox;
			} else {
				newWidth = gridX - outerDimensions.width;
				that.size.width = newWidth;
				that.position.left = op.left + os.width - newWidth;
			}
		}
	}

} );

return $.ui.resizable;

} );

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