adobe/brackets

View on GitHub
src/extensions/default/JavaScriptQuickEdit/unittest-files/jquery-ui/ui/jquery.ui.resizable.js

Summary

Maintainability
F
6 days
Test Coverage
/*!
 * jQuery UI Resizable @VERSION
 *
 * Copyright 2012, AUTHORS.txt (http://jqueryui.com/about)
 * Dual licensed under the MIT or GPL Version 2 licenses.
 * http://jquery.org/license
 *
 * http://docs.jquery.com/UI/Resizables
 *
 * Depends:
 *    jquery.ui.core.js
 *    jquery.ui.mouse.js
 *    jquery.ui.widget.js
 */
(function( $, undefined ) {

$.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,
        zIndex: 1000
    },
    _create: function() {

        var 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)) {

            //Create a wrapper element and set the wrapper to the new current internal element
            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')
                })
            );

            //Overwrite the original this.element
            this.element = this.element.parent().data(
                "resizable", this.element.data('resizable')
            );

            this.elementIsWrapper = true;

            //Move margins to the wrapper
            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});

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

            //Push the actual element to our proportionallyResize internal array
            this._proportionallyResizeElements.push(this.originalElement.css({ position: 'static', zoom: 1, display: 'block' }));

            // avoid IE jump (hard set the margin)
            this.originalElement.css({ margin: this.originalElement.css('margin') });

            // fix handlers offset
            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';
            var n = this.handles.split(","); this.handles = {};

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

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

                // Apply zIndex to all handles - see #7960
                axis.css({ zIndex: o.zIndex });

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

                //Insert into internal handles object and append to element
                this.handles[handle] = '.ui-resizable-'+handle;
                this.element.append(axis);
            }

        }

        this._renderAxis = function(target) {

            target = target || this.element;

            for(var i in this.handles) {

                if(this.handles[i].constructor == String)
                    this.handles[i] = $(this.handles[i], this.element).show();

                //Apply pad to wrapper element, needed to fix axis position (textarea, inputs, scrolls)
                if (this.elementIsWrapper && this.originalElement[0].nodeName.match(/textarea|input|select|button/i)) {

                    var axis = $(this.handles[i], this.element), padWrapper = 0;

                    //Checking the correct pad and border
                    padWrapper = /sw|ne|nw|se|n|s/.test(i) ? axis.outerHeight() : axis.outerWidth();

                    //The padding type i have to apply...
                    var 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();

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

        //If we want to auto hide the elements
        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();
                    }
                });
        }

        //Initialize the mouse interaction
        this._mouseInit();

    },

    _destroy: function() {

        this._mouseDestroy();

        var _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);
            var wrapper = this.element;
            wrapper.after(
                this.originalElement.css({
                    position: wrapper.css('position'),
                    width: wrapper.outerWidth(),
                    height: wrapper.outerHeight(),
                    top: wrapper.css('top'),
                    left: wrapper.css('left')
                })
            ).remove();
        }

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

        return this;
    },

    _mouseCapture: function(event) {
        var handle = false;
        for (var i in this.handles) {
            if ($(this.handles[i])[0] == event.target) {
                handle = true;
            }
        }

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

    _mouseStart: function(event) {

        var o = this.options, iniPos = this.element.position(), el = this.element;

        this.resizing = true;
        this.documentScroll = { top: $(document).scrollTop(), left: $(document).scrollLeft() };

        // bugfix for http://dev.jquery.com/ticket/1749
        if (el.is('.ui-draggable') || (/absolute/).test(el.css('position'))) {
            el.css({ position: 'absolute', top: iniPos.top, left: iniPos.left });
        }

        this._renderProxy();

        var curleft = num(this.helper.css('left')), curtop = num(this.helper.css('top'));

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

        //Store needed variables
        this.offset = this.helper.offset();
        this.position = { left: curleft, top: curtop };
        this.size = this._helper ? { width: el.outerWidth(), height: el.outerHeight() } : { 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 };

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

        var 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) {

        //Increase performance, avoid regex
        var el = this.helper, o = this.options, props = {},
            that = this, smp = this.originalMousePosition, a = this.axis;

        var dx = (event.pageX-smp.left)||0, dy = (event.pageY-smp.top)||0;
        var trigger = this._change[a];
        if (!trigger) return false;

        // Calculate the attrs that will be change
        var data = trigger.apply(this, [event, dx, dy]);

        // Put this in the mouseDrag handler since the user can start pressing shift while resizing
        this._updateVirtualBoundaries(event.shiftKey);
        if (this._aspectRatio || event.shiftKey)
            data = this._updateRatio(data, event);

        data = this._respectSize(data, event);

        // plugins callbacks need to be called first
        this._propagate("resize", event);

        el.css({
            top: this.position.top + "px", left: this.position.left + "px",
            width: this.size.width + "px", height: this.size.height + "px"
        });

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

        this._updateCache(data);

        // calling the user callback at the end
        this._trigger('resize', event, this.ui());

        return false;
    },

    _mouseStop: function(event) {

        this.resizing = false;
        var o = this.options, that = this;

        if(this._helper) {
            var pr = this._proportionallyResizeElements, ista = pr.length && (/textarea/i).test(pr[0].nodeName),
                soffseth = ista && $.ui.hasScroll(pr[0], 'left') /* TODO - jump height */ ? 0 : that.sizeDiff.height,
                soffsetw = ista ? 0 : that.sizeDiff.width;

            var 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;

    },

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

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

        if(this._aspectRatio || forceAspectRatio) {
            // We want to create an enclosing box whose aspect ration is the requested one
            // First, compute the "projected" size for each dimension based on the aspect ratio and other dimension
            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) {
        var o = this.options;
        this.offset = this.helper.offset();
        if (isNumber(data.left)) this.position.left = data.left;
        if (isNumber(data.top)) this.position.top = data.top;
        if (isNumber(data.height)) this.size.height = data.height;
        if (isNumber(data.width)) this.size.width = data.width;
    },

    _updateRatio: function(data, event) {

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

        if (isNumber(data.height)) data.width = (data.height * this.aspectRatio);
        else if (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, event) {

        var el = this.helper, o = this._vBoundaries, pRatio = this._aspectRatio || event.shiftKey, a = this.axis,
                ismaxw = isNumber(data.width) && o.maxWidth && (o.maxWidth < data.width), ismaxh = isNumber(data.height) && o.maxHeight && (o.maxHeight < data.height),
                    isminw = isNumber(data.width) && o.minWidth && (o.minWidth > data.width), isminh = isNumber(data.height) && o.minHeight && (o.minHeight > data.height);

        if (isminw) data.width = o.minWidth;
        if (isminh) data.height = o.minHeight;
        if (ismaxw) data.width = o.maxWidth;
        if (ismaxh) data.height = o.maxHeight;

        var dw = this.originalPosition.left + this.originalSize.width, dh = this.position.top + this.size.height;
        var cw = /sw|nw|w/.test(a), ch = /nw|ne|n/.test(a);

        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
        var isNotwh = !data.width && !data.height;
        if (isNotwh && !data.left && data.top) data.top = null;
        else if (isNotwh && !data.top && data.left) data.left = null;

        return data;
    },

    _proportionallyResize: function() {

        var o = this.options;
        if (!this._proportionallyResizeElements.length) return;
        var element = this.helper || this.element;

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

            var prel = this._proportionallyResizeElements[i];

            if (!this.borderDif) {
                var b = [prel.css('borderTopWidth'), prel.css('borderRightWidth'), prel.css('borderBottomWidth'), prel.css('borderLeftWidth')],
                    p = [prel.css('paddingTop'), prel.css('paddingRight'), prel.css('paddingBottom'), prel.css('paddingLeft')];

                this.borderDif = $.map(b, function(v, i) {
                    var border = parseInt(v,10)||0, padding = parseInt(p[i],10)||0;
                    return border + padding;
                });
            }

            if ($.browser.msie && !(!($(element).is(':hidden') || $(element).parents(':hidden').length)))
                continue;

            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>');

            // fix ie6 offset TODO: This seems broken
            var ie6 = $.browser.msie && $.browser.version < 7, ie6offset = (ie6 ? 1 : 0),
            pxyoffset = ( ie6 ? 2 : -1 );

            this.helper.addClass(this._helper).css({
                width: this.element.outerWidth() + pxyoffset,
                height: this.element.outerHeight() + pxyoffset,
                position: 'absolute',
                left: this.elementOffset.left - ie6offset +'px',
                top: this.elementOffset.top - ie6offset +'px',
                zIndex: ++o.zIndex //TODO: Don't modify option
            });

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

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

    },

    _change: {
        e: function(event, dx, dy) {
            return { width: this.originalSize.width + dx };
        },
        w: function(event, dx, dy) {
            var o = this.options, cs = this.originalSize, sp = this.originalPosition;
            return { left: sp.left + dx, width: cs.width - dx };
        },
        n: function(event, dx, dy) {
            var o = this.options, 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", "alsoResize", {

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

        var _store = function (exp) {
            $(exp).each(function() {
                var el = $(this);
                el.data("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).data("resizable"), o = that.options, os = that.originalSize, op = that.originalPosition;

        var 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("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 (event, ui) {
        $(this).removeData("resizable-alsoresize");
    }
});

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

    stop: function(event, ui) {
        var that = $(this).data("resizable"), o = that.options;

        var pr = that._proportionallyResizeElements, ista = pr.length && (/textarea/i).test(pr[0].nodeName),
                    soffseth = ista && $.ui.hasScroll(pr[0], 'left') /* TODO - jump height */ ? 0 : that.sizeDiff.height,
                        soffsetw = ista ? 0 : that.sizeDiff.width;

        var 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(event, ui) {
        var that = $(this).data("resizable"), o = that.options, el = that.element;
        var 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
            };
        }

        // i'm a node, so compute top, left, right, bottom
        else {
            var element = $(ce), p = [];
            $([ "Top", "Right", "Left", "Bottom" ]).each(function(i, name) { p[i] = 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]) };

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

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

    resize: function(event, ui) {
        var that = $(this).data("resizable"), o = that.options,
                ps = that.containerSize, co = that.containerOffset, cs = that.size, cp = that.position,
                pRatio = that._aspectRatio || event.shiftKey, cop = { top:0, left:0 }, ce = that.containerElement;

        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;
            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;
            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;

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

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

        if(isParent && isOffsetRelative) woset -= 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;
        }

        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;
        }
    },

    stop: function(event, ui){
        var that = $(this).data("resizable"), o = that.options, cp = that.position,
                co = that.containerOffset, cop = that.containerPosition, ce = that.containerElement;

        var 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", "ghost", {

    start: function(event, ui) {

        var that = $(this).data("resizable"), o = that.options, cs = that.size;

        that.ghost = that.originalElement.clone();
        that.ghost
            .css({ opacity: .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(event, ui){
        var that = $(this).data("resizable"), o = that.options;
        if (that.ghost) that.ghost.css({ position: 'relative', height: that.size.height, width: that.size.width });
    },

    stop: function(event, ui){
        var that = $(this).data("resizable"), o = that.options;
        if (that.ghost && that.helper) that.helper.get(0).removeChild(that.ghost.get(0));
    }

});

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

    resize: function(event, ui) {
        var that = $(this).data("resizable"), o = that.options, cs = that.size, os = that.originalSize, op = that.originalPosition, a = that.axis, ratio = o._aspectRatio || event.shiftKey;
        o.grid = typeof o.grid == "number" ? [o.grid, o.grid] : o.grid;
        var ox = Math.round((cs.width - os.width) / (o.grid[0]||1)) * (o.grid[0]||1), oy = Math.round((cs.height - os.height) / (o.grid[1]||1)) * (o.grid[1]||1);

        if (/^(se|s|e)$/.test(a)) {
            that.size.width = os.width + ox;
            that.size.height = os.height + oy;
        }
        else if (/^(ne)$/.test(a)) {
            that.size.width = os.width + ox;
            that.size.height = os.height + oy;
            that.position.top = op.top - oy;
        }
        else if (/^(sw)$/.test(a)) {
            that.size.width = os.width + ox;
            that.size.height = os.height + oy;
            that.position.left = op.left - ox;
        }
        else {
            that.size.width = os.width + ox;
            that.size.height = os.height + oy;
            that.position.top = op.top - oy;
            that.position.left = op.left - ox;
        }
    }

});

var num = function(v) {
    return parseInt(v, 10) || 0;
};

var isNumber = function(value) {
    return !isNaN(parseInt(value, 10));
};

})(jQuery);