JimV-C/static/widgets/interactions-ui/resizable.js

/*!
 * jQuery UI Resizable @VERSION
 * http://jqueryui.com
 *
 * Copyright 2014 jQuery Foundation and other contributors
 * Released under the MIT license.
 * http://jquery.org/license
 *
 * http://api.jqueryui.com/resizable/
 */
(function( factory ) {
    if ( typeof define === "function" && define.amd ) {

        // AMD. Register as an anonymous module.
        define([
            "jquery",
            "./core",
            "./mouse",
            "./widget"
        ], factory );
    } else {

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

    $.widget("ui.resizable", $.ui.mouse, {
        version: "@VERSION",
        widgetEventPrefix: "resize",
        options: {
            alsoResize: false,
            animate: false,
            animateDuration: "slow",
            animateEasing: "swing",
            aspectRatio: false,
            autoHide: false,
            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 parseInt( value, 10 ) || 0;
        },

        _isNumber: function( value ) {
            return !isNaN( parseInt( value , 10 ) );
        },

        _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
            el[ scroll ] = 1;
            has = ( el[ scroll ] > 0 );
            el[ scroll ] = 0;
            return has;
        },

        _create: function() {

            var n, i, handle, axis, hname,
                that = this,
                o = this.options;
            this.element.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' style='overflow: hidden;'></div>").css({
                        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;

                this.element.css({ marginLeft: this.originalElement.css("marginLeft"), marginTop: this.originalElement.css("marginTop"), marginRight: this.originalElement.css("marginRight"), marginBottom: this.originalElement.css("marginBottom") });
                this.originalElement.css({ marginLeft: 0, marginTop: 0, marginRight: 0, marginBottom: 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({ margin: this.originalElement.css("margin") });

                this._proportionallyResize();
            }

            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" });
            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 = $.trim(n[i]);
                    hname = "ui-resizable-"+handle;
                    axis = $("<div class='ui-resizable-handle " + hname + "'></div>");

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

                    // TODO : What's going on here?
                    if ("se" === handle) {
                        axis.addClass("ui-icon ui-icon-gripsmall-diagonal-se");
                    }

                    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();
                    }

                    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();

                    }

                    // TODO: What's that good for? There's not anything to be executed left
                    if(!$(this.handles[i]).length) {
                        continue;
                    }
                }
            };

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

            this._handles = $(".ui-resizable-handle", this.element)
                .disableSelection();

            this._handles.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.element)
                    .addClass("ui-resizable-autohide")
                    .mouseenter(function() {
                        if (o.disabled) {
                            return;
                        }
                        $(this).removeClass("ui-resizable-autohide");
                        that._handles.show();
                    })
                    .mouseleave(function(){
                        if (o.disabled) {
                            return;
                        }
                        if (!that.resizing) {
                            $(this).addClass("ui-resizable-autohide");
                            that._handles.hide();
                        }
                    });
            }

            this._mouseInit();

        },

        _destroy: function() {

            this._mouseDestroy();

            var wrapper,
                _destroy = function(exp) {
                    $(exp).removeClass("ui-resizable ui-resizable-disabled ui-resizable-resizing")
                        .removeData("resizable").removeData("ui-resizable").unbind(".resizable").find(".ui-resizable-handle").remove();
                };

            // 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;
        },

        _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.originalPosition = { left: curleft, top: curtop };
            this.sizeDiff = { width: el.outerWidth() - el.width(), height: el.outerHeight() - el.height() };
            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);

            el.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") /* TODO - jump height */ ? 0 : that.sizeDiff.height;
                soffsetw = ista ? 0 : that.sizeDiff.width;

                s = { width: (that.helper.width()  - soffsetw), height: (that.helper.height() - soffseth) };
                left = (parseInt(that.element.css("left"), 10) + (that.position.left - that.originalPosition.left)) || null;
                top = (parseInt(that.element.css("top"), 10) + (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.element.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.position.top + this.size.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;
        },

        _proportionallyResize: function() {

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

            var i, j, borders, paddings, prel,
                element = this.helper || this.element;

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

                prel = this._proportionallyResizeElements[i];

                if (!this.borderDif) {
                    this.borderDif = [];
                    borders = [prel.css("borderTopWidth"), prel.css("borderRightWidth"), prel.css("borderBottomWidth"), prel.css("borderLeftWidth")];
                    paddings = [prel.css("paddingTop"), prel.css("paddingRight"), prel.css("paddingBottom"), prel.css("paddingLeft")];

                    for ( j = 0; j < borders.length; j++ ) {
                        this.borderDif[ j ] = ( parseInt( borders[ j ], 10 ) || 0 ) + ( parseInt( paddings[ j ], 10 ) || 0 );
                    }
                }

                prel.css({
                    height: (element.height() - this.borderDif[0] - this.borderDif[2]) || 0,
                    width: (element.width() - this.borderDif[1] - this.borderDif[3]) || 0
                });

            }

        },

        _renderProxy: function() {

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

            if(this._helper) {

                this.helper = this.helper || $("<div style='overflow:hidden;'></div>");

                this.helper.addClass(this._helper).css({
                    width: this.element.outerWidth() - 1,
                    height: this.element.outerHeight() - 1,
                    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") /* TODO - jump height */ ? 0 : that.sizeDiff.height,
                soffsetw = ista ? 0 : that.sizeDiff.width,
                style = { width: (that.size.width - soffsetw), height: (that.size.height - soffseth) },
                left = (parseInt(that.element.css("left"), 10) + (that.position.left - that.originalPosition.left)) || null,
                top = (parseInt(that.element.css("top"), 10) + (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: parseInt(that.element.css("width"), 10),
                            height: parseInt(that.element.css("height"), 10),
                            top: parseInt(that.element.css("top"), 10),
                            left: parseInt(that.element.css("left"), 10)
                        };

                        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;
            }

            that.offset.left = that.parentData.left + that.position.left;
            that.offset.top = that.parentData.top + that.position.top;

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

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

            if ( isParent && isOffsetRelative ) {
                woset -= Math.abs( that.parentData.left );
            }

            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,
                _store = function (exp) {
                    $(exp).each(function() {
                        var el = $(this);
                        el.data("ui-resizable-alsoresize", {
                            width: parseInt(el.width(), 10), height: parseInt(el.height(), 10),
                            left: parseInt(el.css("left"), 10), top: parseInt(el.css("top"), 10)
                        });
                    });
                };

            if (typeof(o.alsoResize) === "object" && !o.alsoResize.parentNode) {
                if (o.alsoResize.length) { o.alsoResize = o.alsoResize[0]; _store(o.alsoResize); }
                else { $.each(o.alsoResize, function (exp) { _store(exp); }); }
            }else{
                _store(o.alsoResize);
            }
        },

        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
                },

                _alsoResize = function (exp, c) {
                    $(exp).each(function() {
                        var el = $(this), start = $(this).data("ui-resizable-alsoresize"), style = {},
                            css = c && c.length ? c : 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);
                    });
                };

            if (typeof(o.alsoResize) === "object" && !o.alsoResize.nodeType) {
                $.each(o.alsoResize, function (exp, c) { _alsoResize(exp, c); });
            }else{
                _alsoResize(o.alsoResize);
            }
        },

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

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

        start: function() {

            var that = $(this).resizable( "instance" ), o = that.options, 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 })
                .addClass("ui-resizable-ghost")
                .addClass(typeof o.ghost === "string" ? o.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 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 = newWidth + gridX;
            }
            if (isMinHeight) {
                newHeight = newHeight + gridY;
            }
            if (isMaxWidth) {
                newWidth = newWidth - gridX;
            }
            if (isMaxHeight) {
                newHeight = 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 ) {
                    that.size.height = newHeight;
                    that.position.top = op.top - oy;
                } else {
                    that.size.height = gridY;
                    that.position.top = op.top + os.height - gridY;
                }
                if ( newWidth - gridX > 0 ) {
                    that.size.width = newWidth;
                    that.position.left = op.left - ox;
                } else {
                    that.size.width = gridX;
                    that.position.left = op.left + os.width - gridX;
                }
            }
        }

    });

    return $.ui.resizable;

}));