/*
 * jQuery UI Resizable
 *
 * Copyright (c) 2008 Paul Bakaus
 * Dual licensed under the MIT (MIT-LICENSE.txt)
 * and GPL (GPL-LICENSE.txt) licenses.
 * 
 * http://docs.jquery.com/UI/Resizables
 *
 * Depends:
 *	ui.core.js
 */
(function($) {
$.widget("ui.resizable", $.extend({}, $.ui.mouse, {
init: function() {
var self = this, o = this.options;
var elpos = this.element.css('position');
this.originalElement = this.element;
// simulate .ui-resizable { position: relative; }
this.element.addClass("ui-resizable").css({ position: /static/.test(elpos) ? 'relative' : elpos });
$.extend(o, {
_aspectRatio: !!(o.aspectRatio),
helper: o.helper || o.ghost || o.animate ? o.helper || 'proxy' : null,
knobHandles: o.knobHandles === true ? 'ui-resizable-knob-handle' : o.knobHandles
});
//Default Theme
var aBorder = '1px solid #DEDEDE';
o.defaultTheme = {
'ui-resizable': { display: 'block' },
'ui-resizable-handle': { position: 'absolute', background: '#F2F2F2', fontSize: '0.1px' },
'ui-resizable-n': { cursor: 'n-resize', height: '4px', left: '0px', right: '0px', borderTop: aBorder },
'ui-resizable-s': { cursor: 's-resize', height: '4px', left: '0px', right: '0px', borderBottom: aBorder },
'ui-resizable-e': { cursor: 'e-resize', width: '4px', top: '0px', bottom: '0px', borderRight: aBorder },
'ui-resizable-w': { cursor: 'w-resize', width: '4px', top: '0px', bottom: '0px', borderLeft: aBorder },
'ui-resizable-se': { cursor: 'se-resize', width: '4px', height: '4px', borderRight: aBorder, borderBottom: aBorder },
'ui-resizable-sw': { cursor: 'sw-resize', width: '4px', height: '4px', borderBottom: aBorder, borderLeft: aBorder },
'ui-resizable-ne': { cursor: 'ne-resize', width: '4px', height: '4px', borderRight: aBorder, borderTop: aBorder },
'ui-resizable-nw': { cursor: 'nw-resize', width: '4px', height: '4px', borderLeft: aBorder, borderTop: aBorder }
};
o.knobTheme = {
'ui-resizable-handle': { background: '#F2F2F2', border: '1px solid #808080', height: '8px', width: '8px' },
'ui-resizable-n': { cursor: 'n-resize', top: '0px', left: '45%' },
'ui-resizable-s': { cursor: 's-resize', bottom: '0px', left: '45%' },
'ui-resizable-e': { cursor: 'e-resize', right: '0px', top: '45%' },
'ui-resizable-w': { cursor: 'w-resize', left: '0px', top: '45%' },
'ui-resizable-se': { cursor: 'se-resize', right: '0px', bottom: '0px' },
'ui-resizable-sw': { cursor: 'sw-resize', left: '0px', bottom: '0px' },
'ui-resizable-nw': { cursor: 'nw-resize', left: '0px', top: '0px' },
'ui-resizable-ne': { cursor: 'ne-resize', right: '0px', top: '0px' }
};
o._nodeName = this.element[0].nodeName;
//Wrap the element if it cannot hold child nodes
if(o._nodeName.match(/canvas|textarea|input|select|button|img/i)) {
var el = this.element;
//Opera fixing relative position
if (/relative/.test(el.css('position')) && $.browser.opera)
el.css({ position: 'relative', top: 'auto', left: 'auto' });
//Create a wrapper element and set the wrapper to the new current internal element
el.wrap(
$('<div class="ui-wrapper"	style="overflow: hidden;"></div>').css( {
position: el.css('position'),
width: el.outerWidth(),
height: el.outerHeight(),
top: el.css('top'),
left: el.css('left')
})
);
var oel = this.element; this.element = this.element.parent();
// store instance on wrapper
this.element.data('resizable', this); 
//Move margins to the wrapper
this.element.css({ marginLeft: oel.css("marginLeft"), marginTop: oel.css("marginTop"),
marginRight: oel.css("marginRight"), marginBottom: oel.css("marginBottom")
});
oel.css({ marginLeft: 0, marginTop: 0, marginRight: 0, marginBottom: 0});
//Prevent Safari textarea resize
if ($.browser.safari && o.preventDefault) oel.css('resize', 'none');
o.proportionallyResize = oel.css({ position: 'static', zoom: 1, display: 'block' });
// avoid IE jump
this.element.css({ margin: oel.css('margin') });
// fix handlers offset
this._proportionallyResize();
}
if(!o.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(o.handles.constructor == String) {
o.zIndex = o.zIndex || 1000;
if(o.handles == 'all') o.handles = 'n,e,s,w,se,sw,ne,nw';
var n = o.handles.split(","); o.handles = {};
// insertions are applied when don't have theme loaded
var insertionsDefault = {
handle: 'position: absolute; display: none; overflow:hidden;',
n: 'top: 0pt; width:100%;',
e: 'right: 0pt; height:100%;',
s: 'bottom: 0pt; width:100%;',
w: 'left: 0pt; height:100%;',
se: 'bottom: 0pt; right: 0px;',
sw: 'bottom: 0pt; left: 0px;',
ne: 'top: 0pt; right: 0px;',
nw: 'top: 0pt; left: 0px;'
};
for(var i = 0; i < n.length; i++) {
var handle = $.trim(n[i]), dt = o.defaultTheme, hname = 'ui-resizable-'+handle, loadDefault = !$.ui.css(hname) && !o.knobHandles, userKnobClass = $.ui.css('ui-resizable-knob-handle'), 
allDefTheme = $.extend(dt[hname], dt['ui-resizable-handle']), allKnobTheme = $.extend(o.knobTheme[hname], !userKnobClass ? o.knobTheme['ui-resizable-handle'] : {});
// increase zIndex of sw, se, ne, nw axis
var applyZIndex = /sw|se|ne|nw/.test(handle) ? { zIndex: ++o.zIndex } : {};
var defCss = (loadDefault ? insertionsDefault[handle] : ''), 
axis = $(['<div class="ui-resizable-handle ', hname, '" style="', defCss, insertionsDefault.handle, '"></div>'].join('')).css( applyZIndex );
o.handles[handle] = '.ui-resizable-'+handle;
this.element.append(
//Theme detection, if not loaded, load o.defaultTheme
axis.css( loadDefault ? allDefTheme : {} )
// Load the knobHandle css, fix width, height, top, left...
.css( o.knobHandles ? allKnobTheme : {} ).addClass(o.knobHandles ? 'ui-resizable-knob-handle' : '').addClass(o.knobHandles)
);
}
if (o.knobHandles) this.element.addClass('ui-resizable-knob').css( !$.ui.css('ui-resizable-knob') ? { /*border: '1px #fff dashed'*/ } : {} );
}
this._renderAxis = function(target) {
target = target || this.element;
for(var i in o.handles) {
if(o.handles[i].constructor == String) 
o.handles[i] = $(o.handles[i], this.element).show();
if (o.transparent)
o.handles[i].css({opacity:0});
//Apply pad to wrapper element, needed to fix axis position (textarea, inputs, scrolls)
if (this.element.is('.ui-wrapper') && 
o._nodeName.match(/textarea|input|select|button/i)) {
var axis = $(o.handles[i], this.element), padWrapper = 0;
//Checking the correct pad and border
padWrapper = /sw|ne|nw|se|n|s/.test(i) ? axis.outerHeight() : axis.outerWidth();
//The padding type i have to apply...
var padPos = [ 'padding', 
/ne|nw|n/.test(i) ? 'Top' :
/se|sw|s/.test(i) ? 'Bottom' : 
/^e$/.test(i) ? 'Right' : 'Left' ].join(""); 
if (!o.transparent)
target.css(padPos, padWrapper);
this._proportionallyResize();
}
if(!$(o.handles[i]).length) continue;
}
};
this._renderAxis(this.element);
o._handles = $('.ui-resizable-handle', self.element);
if (o.disableSelection)
o._handles.each(function(i, e) { $.ui.disableSelection(e); });
//Matching axis name
o._handles.mouseover(function() {
if (!o.resizing) {
if (this.className) 
var axis = this.className.match(/ui-resizable-(se|sw|ne|nw|n|e|s|w)/i);
//Axis, default = se
self.axis = o.axis = axis && axis[1] ? axis[1] : 'se';
}
});
//If we want to auto hide the elements
if (o.autoHide) {
o._handles.hide();
$(self.element).addClass("ui-resizable-autohide").hover(function() {
$(this).removeClass("ui-resizable-autohide");
o._handles.show();
},
function(){
if (!o.resizing) {
$(this).addClass("ui-resizable-autohide");
o._handles.hide();
}
});
}
this.mouseInit();
},
plugins: {},
ui: function() {
return {
originalElement: this.originalElement,
element: this.element,
helper: this.helper,
position: this.position,
size: this.size,
options: this.options,
originalSize: this.originalSize,
originalPosition: this.originalPosition
};
},
propagate: function(n,e) {
$.ui.plugin.call(this, n, [e, this.ui()]);
if (n != "resize") this.element.triggerHandler(["resize", n].join(""), [e, this.ui()], this.options[n]);
},
destroy: function() {
var el = this.element, wrapped = el.children(".ui-resizable").get(0);
this.mouseDestroy();
var _destroy = function(exp) {
$(exp).removeClass("ui-resizable ui-resizable-disabled")
.removeData("resizable").unbind(".resizable").find('.ui-resizable-handle').remove();
};
_destroy(el);
if (el.is('.ui-wrapper') && wrapped) {
el.parent().append(
$(wrapped).css({
position: el.css('position'),
width: el.outerWidth(),
height: el.outerHeight(),
top: el.css('top'),
left: el.css('left')
})
).end().remove();
_destroy(wrapped);
}
},
mouseStart: function(e) {
if(this.options.disabled) return false;
var handle = false;
for(var i in this.options.handles) {
if($(this.options.handles[i])[0] == e.target) handle = true;
}
if (!handle) return false;
var o = this.options, iniPos = this.element.position(), el = this.element, 
num = function(v) { return parseInt(v, 10) || 0; }, ie6 = $.browser.msie && $.browser.version < 7;
o.resizing = true;
o.documentScroll = { top: $(document).scrollTop(), left: $(document).scrollLeft() };
// bugfix #1749
if (el.is('.ui-draggable') || (/absolute/).test(el.css('position'))) {
// sOffset decides if document scrollOffset will be added to the top/left of the resizable element
var sOffset = $.browser.msie && !o.containment && (/absolute/).test(el.css('position')) && !(/relative/).test(el.parent().css('position'));
var dscrollt = sOffset ? o.documentScroll.top : 0, dscrolll = sOffset ? o.documentScroll.left : 0;
el.css({ position: 'absolute', top: (iniPos.top + dscrollt), left: (iniPos.left + dscrolll) });
}
//Opera fixing relative position
if ($.browser.opera && /relative/.test(el.css('position')))
el.css({ position: 'relative', top: 'auto', left: 'auto' });
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 = o.helper || ie6 ? { width: el.outerWidth(), height: el.outerHeight() } : { width: el.width(), height: el.height() };
this.originalSize = o.helper || ie6 ? { 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: e.pageX, top: e.pageY };
//Aspect Ratio
o.aspectRatio = (typeof o.aspectRatio == 'number') ? o.aspectRatio : ((this.originalSize.height / this.originalSize.width)||1);
if (o.preserveCursor)
$('body').css('cursor', this.axis + '-resize');
this.propagate("start", e);
return true;
},
mouseDrag: function(e) {
//Increase performance, avoid regex
var el = this.helper, o = this.options, props = {},
self = this, smp = this.originalMousePosition, a = this.axis;
var dx = (e.pageX-smp.left)||0, dy = (e.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, [e, dx, dy]), ie6 = $.browser.msie && $.browser.version < 7, csdif = this.sizeDiff;
if (o._aspectRatio || e.shiftKey)
data = this._updateRatio(data, e);
data = this._respectSize(data, e);
// plugins callbacks need to be called first
this.propagate("resize", e);
el.css({
top: this.position.top + "px", left: this.position.left + "px", 
width: this.size.width + "px", height: this.size.height + "px"
});
if (!o.helper && o.proportionallyResize)
this._proportionallyResize();
this._updateCache(data);
// calling the user callback at the end
this.element.triggerHandler("resize", [e, this.ui()], this.options["resize"]);
return false;
},
mouseStop: function(e) {
this.options.resizing = false;
var o = this.options, num = function(v) { return parseInt(v, 10) || 0; }, self = this;
if(o.helper) {
var pr = o.proportionallyResize, ista = pr && (/textarea/i).test(pr.get(0).nodeName), 
soffseth = ista && $.ui.hasScroll(pr.get(0), 'left') /* TODO - jump height */ ? 0 : self.sizeDiff.height,
soffsetw = ista ? 0 : self.sizeDiff.width;
var s = { width: (self.size.width - soffsetw), height: (self.size.height - soffseth) },
left = (parseInt(self.element.css('left'), 10) + (self.position.left - self.originalPosition.left)) || null, 
top = (parseInt(self.element.css('top'), 10) + (self.position.top - self.originalPosition.top)) || null;
if (!o.animate)
this.element.css($.extend(s, { top: top, left: left }));
if (o.helper && !o.animate) this._proportionallyResize();
}
if (o.preserveCursor)
$('body').css('cursor', 'auto');
this.propagate("stop", e);
if (o.helper) this.helper.remove();
return false;
},
_updateCache: function(data) {
var o = this.options;
this.offset = this.helper.offset();
if (data.left) this.position.left = data.left;
if (data.top) this.position.top = data.top;
if (data.height) this.size.height = data.height;
if (data.width) this.size.width = data.width;
},
_updateRatio: function(data, e) {
var o = this.options, cpos = this.position, csize = this.size, a = this.axis;
if (data.height) data.width = (csize.height / o.aspectRatio);
else if (data.width) data.height = (csize.width * o.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, e) {
var el = this.helper, o = this.options, pRatio = o._aspectRatio || e.shiftKey, a = this.axis, 
ismaxw = data.width && o.maxWidth && o.maxWidth < data.width, ismaxh = data.height && o.maxHeight && o.maxHeight < data.height,
isminw = data.width && o.minWidth && o.minWidth > data.width, isminh = 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 (!o.proportionallyResize) return;
var prel = o.proportionallyResize, el = this.helper || this.element;
if (!o.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')];
o.borderDif = $.map(b, function(v, i) {
var border = parseInt(v,10)||0, padding = parseInt(p[i],10)||0;
return border + padding; 
});
}
prel.css({
height: (el.height() - o.borderDif[0] - o.borderDif[2]) + "px",
width: (el.width() - o.borderDif[1] - o.borderDif[3]) + "px"
});
},
_renderProxy: function() {
var el = this.element, o = this.options;
this.elementOffset = el.offset();
if(o.helper) {
this.helper = this.helper || $('<div style="overflow:hidden;"></div>');
// fix ie6 offset
var ie6 = $.browser.msie && $.browser.version < 7, ie6offset = (ie6 ? 1 : 0),
pxyoffset = ( ie6 ? 2 : -1 );
this.helper.addClass(o.helper).css({
width: el.outerWidth() + pxyoffset,
height: el.outerHeight() + pxyoffset,
position: 'absolute',
left: this.elementOffset.left - ie6offset +'px',
top: this.elementOffset.top - ie6offset +'px',
zIndex: ++o.zIndex
});
this.helper.appendTo("body");
if (o.disableSelection)
$.ui.disableSelection(this.helper.get(0));
} else {
this.helper = el; 
}
},
_change: {
e: function(e, dx, dy) {
return { width: this.originalSize.width + dx };
},
w: function(e, dx, dy) {
var o = this.options, cs = this.originalSize, sp = this.originalPosition;
return { left: sp.left + dx, width: cs.width - dx };
},
n: function(e, dx, dy) {
var o = this.options, cs = this.originalSize, sp = this.originalPosition;
return { top: sp.top + dy, height: cs.height - dy };
},
s: function(e, dx, dy) {
return { height: this.originalSize.height + dy };
},
se: function(e, dx, dy) {
return $.extend(this._change.s.apply(this, arguments), this._change.e.apply(this, [e, dx, dy]));
},
sw: function(e, dx, dy) {
return $.extend(this._change.s.apply(this, arguments), this._change.w.apply(this, [e, dx, dy]));
},
ne: function(e, dx, dy) {
return $.extend(this._change.n.apply(this, arguments), this._change.e.apply(this, [e, dx, dy]));
},
nw: function(e, dx, dy) {
return $.extend(this._change.n.apply(this, arguments), this._change.w.apply(this, [e, dx, dy]));
}
}
}));
$.extend($.ui.resizable, {
defaults: {
cancel: ":input",
distance: 1,
delay: 0,
preventDefault: true,
transparent: false,
minWidth: 10,
minHeight: 10,
aspectRatio: false,
disableSelection: true,
preserveCursor: true,
autoHide: false,
knobHandles: false
}
});
/*
 * Resizable Extensions
 */
$.ui.plugin.add("resizable", "containment", {
start: function(e, ui) {
var o = ui.options, self = $(this).data("resizable"), el = self.element;
var oc = o.containment,	ce = (oc instanceof $) ? oc.get(0) : (/parent/.test(oc)) ? el.parent().get(0) : oc;
if (!ce) return;
self.containerElement = $(ce);
if (/document/.test(oc) || oc == document) {
self.containerOffset = { left: 0, top: 0 };
self.containerPosition = { left: 0, top: 0 };
self.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{
self.containerOffset = $(ce).offset();
self.containerPosition = $(ce).position();
self.containerSize = { height: $(ce).innerHeight(), width: $(ce).innerWidth() };
var co = self.containerOffset, ch = self.containerSize.height,	cw = self.containerSize.width, 
width = ($.ui.hasScroll(ce, "left") ? ce.scrollWidth : cw ), height = ($.ui.hasScroll(ce) ? ce.scrollHeight : ch);
self.parentData = { 
element: ce, left: co.left, top: co.top, width: width, height: height
};
}
},
resize: function(e, ui) {
var o = ui.options, self = $(this).data("resizable"), 
ps = self.containerSize, co = self.containerOffset, cs = self.size, cp = self.position,
pRatio = o._aspectRatio || e.shiftKey, cop = { top:0, left:0 }, ce = self.containerElement;
if (ce[0] != document && /static/.test(ce.css('position')))
cop = self.containerPosition;
if (cp.left < (o.helper ? co.left : cop.left)) {
self.size.width = self.size.width + (o.helper ? (self.position.left - co.left) : (self.position.left - cop.left));
if (pRatio) self.size.height = self.size.width * o.aspectRatio;
self.position.left = o.helper ? co.left : cop.left;
}
if (cp.top < (o.helper ? co.top : 0)) {
self.size.height = self.size.height + (o.helper ? (self.position.top - co.top) : self.position.top);
if (pRatio) self.size.width = self.size.height / o.aspectRatio;
self.position.top = o.helper ? co.top : 0;
}
var woset = (o.helper ? self.offset.left - co.left : (self.position.left - cop.left)) + self.sizeDiff.width, 
hoset = (o.helper ? self.offset.top - co.top : self.position.top) + self.sizeDiff.height;
if (woset + self.size.width >= self.parentData.width) {
self.size.width = self.parentData.width - woset;
if (pRatio) self.size.height = self.size.width * o.aspectRatio;
}
if (hoset + self.size.height >= self.parentData.height) {
self.size.height = self.parentData.height - hoset;
if (pRatio) self.size.width = self.size.height / o.aspectRatio;
}
},
stop: function(e, ui){
var o = ui.options, self = $(this).data("resizable"), cp = self.position,
co = self.containerOffset, cop = self.containerPosition, ce = self.containerElement;
var helper = $(self.helper), ho = helper.offset(), w = helper.innerWidth(), h = helper.innerHeight();
if (o.helper && !o.animate && /relative/.test(ce.css('position')))
$(this).css({ left: (ho.left - co.left), top: (ho.top - co.top), width: w, height: h });
if (o.helper && !o.animate && /static/.test(ce.css('position')))
$(this).css({ left: cop.left + (ho.left - co.left), top: cop.top + (ho.top - co.top), width: w, height: h });
}
});
$.ui.plugin.add("resizable", "grid", {
resize: function(e, ui) {
var o = ui.options, self = $(this).data("resizable"), cs = self.size, os = self.originalSize, op = self.originalPosition, a = self.axis, ratio = o._aspectRatio || e.shiftKey;
o.grid = typeof o.grid == "number" ? [o.grid, o.grid] : o.grid;
var ox = Math.round((cs.width - os.width) / (o.grid[0]||1)) * (o.grid[0]||1), oy = Math.round((cs.height - os.height) / (o.grid[1]||1)) * (o.grid[1]||1);
if (/^(se|s|e)$/.test(a)) {
self.size.width = os.width + ox;
self.size.height = os.height + oy;
}
else if (/^(ne)$/.test(a)) {
self.size.width = os.width + ox;
self.size.height = os.height + oy;
self.position.top = op.top - oy;
}
else if (/^(sw)$/.test(a)) {
self.size.width = os.width + ox;
self.size.height = os.height + oy;
self.position.left = op.left - ox;
}
else {
self.size.width = os.width + ox;
self.size.height = os.height + oy;
self.position.top = op.top - oy;
self.position.left = op.left - ox;
}
}
});
$.ui.plugin.add("resizable", "animate", {
stop: function(e, ui) {
var o = ui.options, self = $(this).data("resizable");
var pr = o.proportionallyResize, ista = pr && (/textarea/i).test(pr.get(0).nodeName), 
soffseth = ista && $.ui.hasScroll(pr.get(0), 'left') /* TODO - jump height */ ? 0 : self.sizeDiff.height,
soffsetw = ista ? 0 : self.sizeDiff.width;
var style = { width: (self.size.width - soffsetw), height: (self.size.height - soffseth) },
left = (parseInt(self.element.css('left'), 10) + (self.position.left - self.originalPosition.left)) || null, 
top = (parseInt(self.element.css('top'), 10) + (self.position.top - self.originalPosition.top)) || null; 
self.element.animate(
$.extend(style, top && left ? { top: top, left: left } : {}), { 
duration: o.animateDuration || "slow", easing: o.animateEasing || "swing", 
step: function() {
var data = {
width: parseInt(self.element.css('width'), 10),
height: parseInt(self.element.css('height'), 10),
top: parseInt(self.element.css('top'), 10),
left: parseInt(self.element.css('left'), 10)
};
if (pr) pr.css({ width: data.width, height: data.height });
// propagating resize, and updating values for each animation step
self._updateCache(data);
self.propagate("animate", e);
}
}
);
}
});
$.ui.plugin.add("resizable", "ghost", {
start: function(e, ui) {
var o = ui.options, self = $(this).data("resizable"), pr = o.proportionallyResize, cs = self.size;
if (!pr) self.ghost = self.element.clone();
else self.ghost = pr.clone();
self.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 : '');
self.ghost.appendTo(self.helper);
},
resize: function(e, ui){
var o = ui.options, self = $(this).data("resizable"), pr = o.proportionallyResize;
if (self.ghost) self.ghost.css({ position: 'relative', height: self.size.height, width: self.size.width });
},
stop: function(e, ui){
var o = ui.options, self = $(this).data("resizable"), pr = o.proportionallyResize;
if (self.ghost && self.helper) self.helper.get(0).removeChild(self.ghost.get(0));
}
});
$.ui.plugin.add("resizable", "alsoResize", {
start: function(e, ui) {
var o = ui.options, self = $(this).data("resizable"), 
_store = function(exp) {
$(exp).each(function() {
$(this).data("resizable-alsoresize", {
width: parseInt($(this).width(), 10), height: parseInt($(this).height(), 10),
left: parseInt($(this).css('left'), 10), top: parseInt($(this).css('top'), 10)
});
});
};
if (typeof(o.alsoResize) == 'object') {
if (o.alsoResize.length) { o.alsoResize = o.alsoResize[0];	_store(o.alsoResize); }
else { $.each(o.alsoResize, function(exp, c) { _store(exp); }); }
}else{
_store(o.alsoResize);
} 
},
resize: function(e, ui){
var o = ui.options, self = $(this).data("resizable"), os = self.originalSize, op = self.originalPosition;
var delta = { 
height: (self.size.height - os.height) || 0, width: (self.size.width - os.width) || 0,
top: (self.position.top - op.top) || 0, left: (self.position.left - op.left) || 0
},
_alsoResize = function(exp, c) {
$(exp).each(function() {
var start = $(this).data("resizable-alsoresize"), style = {}, css = c && c.length ? c : ['width', 'height', 'top', 'left'];
$.each(css || ['width', 'height', 'top', 'left'], function(i, prop) {
var sum = (start[prop]||0) + (delta[prop]||0);
if (sum && sum >= 0)
style[prop] = sum || null;
});
$(this).css(style);
});
};
if (typeof(o.alsoResize) == 'object') {
$.each(o.alsoResize, function(exp, c) { _alsoResize(exp, c); });
}else{
_alsoResize(o.alsoResize);
}
},
stop: function(e, ui){
$(this).removeData("resizable-alsoresize-start");
}
});
})(jQuery);