" );
+ this._addClass( axis, "ui-resizable-handle " + hname );
+
+ axis.css( { zIndex: o.zIndex } );
+
+ this.handles[ handle ] = ".ui-resizable-" + handle;
+ this.element.append( 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._handles.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";
+ }
+ if ( this.size.width !== this.prevSize.width ) {
+ props.width = this.size.width + "px";
+ }
+ if ( this.size.height !== this.prevSize.height ) {
+ props.height = this.size.height + "px";
+ }
+
+ this.helper.css( props );
+
+ 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 || $( "
" );
+
+ 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 ) {
+ $.ui.plugin.call( this, n, [ event, this.ui() ] );
+ ( n !== "resize" && this._trigger( n, event, this.ui() ) );
+ },
+
+ plugins: {},
+
+ ui: function() {
+ return {
+ originalElement: this.originalElement,
+ element: this.element,
+ helper: this.helper,
+ position: this.position,
+ size: this.size,
+ originalSize: this.originalSize,
+ originalPosition: this.originalPosition
+ };
+ }
+
+} );
+
+/*
+ * Resizable Extensions
+ */
+
+$.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.width() ), height: parseFloat( el.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;
+
+} ) );