Added SVG.Nested to create nested svg documents

6 files changed, 50 insertions, 4 deletions

diff --git a/README.md b/README.md
index 4a30be7..f5b9294 100644
--- a/README.md
+++ b/README.md
@@ -420,6 +420,20 @@ group.add(rect);
 _This functionality requires the group.js module which is included in the default distribution._
 
 
+
+## Nested svg
+With this feature you can nest svg documents within each other. Nested svg documents have exactly the same features as the main, top-level svg document:
+
+```javascript
+var nested = draw.nested();
+
+var rect = nested.rect(200, 200);
+```
+
+
+_This functionality requires the nested.js module which is included in the default distribution._
+
+
 ## Gradients
 
 There are linear and radial gradients. The linear gradient can be created like this:
diff --git a/Rakefile b/Rakefile
index e9e12fe..880e97e 100644
--- a/Rakefile
+++ b/Rakefile
@@ -1,7 +1,7 @@
 SVGJS_VERSION = '0.1a'
 
 # all available modules in the correct loading order
-MODULES = %w[ svg container element event group arrange defs mask gradient doc shape wrap rect ellipse poly path image text sugar ]
+MODULES = %w[ svg container element event group arrange defs mask gradient doc shape wrap rect ellipse poly path image text nested sugar ]
 
 # how many bytes in a "kilobyte"
 KILO = 1024
diff --git a/dist/svg.js b/dist/svg.js
index f8b3366..c7943c2 100644
--- a/dist/svg.js
+++ b/dist/svg.js
@@ -1,4 +1,4 @@
-/* svg.js v0.1-53-g5e7c26e - svg container element event group arrange defs mask gradient doc shape wrap rect ellipse poly path image text sugar - svgjs.com/license */
+/* svg.js v0.1-54-g88987d6 - svg container element event group arrange defs mask gradient doc shape wrap rect ellipse poly path image text nested sugar - svgjs.com/license */
 (function() {
 
   this.SVG = {
@@ -138,6 +138,11 @@
       return this.put(new SVG.Text().text(t));
     },
     
+    // create nested svg document
+    nested: function(s) {
+      return this.put(new SVG.Nested());
+    },
+    
     // create element in defs
     gradient: function(t, b) {
       return this.defs().gradient(t, b);
@@ -1018,6 +1023,17 @@
     
   });
 
+  SVG.Nested = function Nested() {
+    this.constructor.call(this, SVG.create('svg'));
+    this.attr('overflow', 'visible');
+  };
+  
+  // inherit from SVG.Element
+  SVG.Nested.prototype = new SVG.Element();
+  
+  // include the container object
+  SVG.extend(SVG.Nested, SVG.Container);
+
   var _strokeAttr = ['width', 'opacity', 'linecap', 'linejoin', 'miterlimit', 'dasharray', 'dashoffset'],
       _fillAttr   = ['opacity', 'rule'];
   
diff --git a/dist/svg.min.js b/dist/svg.min.js
index 2944a86..9654c54 100644
--- a/dist/svg.min.js
+++ b/dist/svg.min.js
@@ -1,2 +1,2 @@
-/* svg.js v0.1-53-g5e7c26e - svg container element event group arrange defs mask gradient doc shape wrap rect ellipse poly path image text sugar - svgjs.com/license */
-function svg(e){return new SVG.Doc(e)}(function(){function e(e){this.constructor.call(this,SVG.create("g")),this.node.insertBefore(e.node,null),this.child=e}function n(){this.constructor.call(this,SVG.create("tspan"))}this.SVG={ns:"http://www.w3.org/2000/svg",xlink:"http://www.w3.org/1999/xlink",did:0,create:function(e){return document.createElementNS(this.ns,e)},extend:function(e,t){for(var n in t)e.prototype[n]=t[n]}},SVG.Container={add:function(e,t){return this.has(e)||(t=t==null?this.children().length:t,this.children().splice(t,0,e),this.node.insertBefore(e.node,this.node.childNodes[t]||null),e.parent=this),this},put:function(e,t){return this.add(e,t),e},has:function(e){return this.children().indexOf(e)>=0},children:function(){return this._children||(this._children=[])},each:function(e){var t,n=this.children();for(t=0,l=n.length;t<l;t++)n[t]instanceof SVG.Shape&&e.apply(n[t],[t,n]);return this},remove:function(e){return this.removeAt(this.children().indexOf(e))},removeAt:function(e){if(0<=e&&e<this.children().length){var t=this.children()[e];this.children().splice(e,1),this.node.removeChild(t.node),t.parent=null}return this},defs:function(){return this._defs||(this._defs=this.put(new SVG.Defs,0))},level:function(){return this.remove(d).put(this.defs(),0)},group:function(){return this.put(new SVG.G)},rect:function(e,t){return this.put((new SVG.Rect).size(e,t))},circle:function(e){return this.ellipse(e)},ellipse:function(e,t){return this.put((new SVG.Ellipse).size(e,t))},polyline:function(t){return this.put(new e(new SVG.Polyline)).plot(t)},polygon:function(t){return this.put(new e(new SVG.Polygon)).plot(t)},path:function(t){return this.put(new e(new SVG.Path)).plot(t)},image:function(e,t,n){return t=t!=null?t:100,this.put((new SVG.Image).load(e).size(t,n!=null?n:t))},text:function(e){return this.put((new SVG.Text).text(e))},gradient:function(e,t){return this.defs().gradient(e,t)},mask:function(){return this.defs().put(new SVG.Mask)},first:function(){return this.children()[1]},last:function(){return this.children()[this.children().length-1]},clear:function(){this._children=[];while(this.node.hasChildNodes())this.node.removeChild(this.node.lastChild);return this},stage:function(){var e,t=this;return e=function(){document.readyState==="complete"?(t.attr("style","position:absolute;"),setTimeout(function(){t.attr("style","position:relative;")},5)):setTimeout(e,10)},e(),this}},SVG.Element=function(t){this.node=t,this.attrs={},this.trans={x:0,y:0,scaleX:1,scaleY:1,rotation:0,skewX:0,skewY:0}},SVG.extend(SVG.Element,{move:function(e,t){return this.attr({x:e,y:t})},size:function(e,t){return this.attr({width:e,height:t})},center:function(e,t){var n=this.bbox();return this.move(e-n.width/2,t-n.height/2)},clone:function(){var t;if(this instanceof e)t=this.parent[this.child.node.nodeName](),t.child.trans=this.child.trans,t.child.attr(this.child.attrs).transform({});else{var n=this.node.nodeName;t=n=="rect"?this.parent[n](this.attrs.width,this.attrs.height):n=="ellipse"?this.parent[n](this.attrs.rx*2,this.attrs.ry*2):n=="image"?this.parent[n](this.src):n=="text"?this.parent[n](this.content):n=="g"?this.parent.group():this.parent[n]()}return t.trans=this.trans,t.attr(this.attrs).transform({})},remove:function(){return this.parent!=null?this.parent.remove(this):void 0},parentDoc:function(){return this._parent(SVG.Doc)},attr:function(e,t,n){if(arguments.length<2){if(typeof e!="object")return this._isStyle(e)?e=="text"?this.content:e=="leading"?this[e]:this.style[e]:this.attrs[e];for(t in e)this.attr(t,e[t])}else{this.attrs[e]=t;if(e=="x"&&this._isText())for(var r=this.lines.length-1;r>=0;r--)this.lines[r].attr(e,t);else n!=null?this.node.setAttributeNS(n,e,t):this.node.setAttribute(e,t);this._isStyle(e)&&(e=="text"?this.text(t):e=="leading"?this[e]=t:this.style[e]=t,this.text(this.content))}return this},transform:function(e){if(typeof e=="string")return this.trans[e];var t,n=[],r=this.bbox(),i=this.attr("transform")||"",s=i.match(/[a-z]+\([^\)]+\)/g)||[];for(t in e)e[t]!=null&&(this.trans[t]=e[t]);return e=this.trans,e.rotation!=0&&n.push("rotate("+e.rotation+","+(e.cx!=null?e.cx:r.cx)+","+(e.cy!=null?e.cy:r.cy)+")"),n.push("scale("+e.scaleX+","+e.scaleY+")"),e.skewX!=0&&n.push("skewX("+e.skewX+")"),e.skewY!=0&&n.push("skewY("+e.skewY+")"),n.push("translate("+e.x+","+e.y+")"),this.attr("transform",n.join(" "))},bbox:function(){var e=this.node.getBBox();return{x:e.x+this.trans.x,y:e.y+this.trans.y,cx:e.x+this.trans.x+e.width/2,cy:e.y+this.trans.y+e.height/2,width:e.width,height:e.height}},inside:function(e,t){var n=this.bbox();return e>n.x&&t>n.y&&e<n.x+n.width&&t<n.y+n.height},show:function(){return this.node.style.display="",this},hide:function(){return this.node.style.display="none",this},_parent:function(e){var t=this;while(t!=null&&!(t instanceof e))t=t.parent;return t},_isStyle:function(e){return typeof e=="string"&&this._isText()?/^font|text|leading/.test(e):!1},_isText:function(){return this instanceof SVG.Text}}),["click","dblclick","mousedown","mouseup","mouseover","mouseout","mousemove","touchstart","touchend","touchmove","touchcancel"].forEach(function(e){SVG.Element.prototype[e]=function(t){var n=this;return this.node["on"+e]=function(){return t.apply(n,arguments)},this}}),SVG.G=function(){this.constructor.call(this,SVG.create("g"))},SVG.G.prototype=new SVG.Element,SVG.extend(SVG.G,SVG.Container),SVG.extend(SVG.G,{defs:function(){return this.parentDoc().defs()}}),SVG.extend(SVG.Element,{siblings:function(){return this.parent.children()},position:function(){return this.siblings().indexOf(this)},next:function(){return this.siblings()[this.position()+1]},previous:function(){return this.siblings()[this.position()-1]},forward:function(){return this.parent.remove(this).put(this,this.position()+1)},backward:function(){var e,t=this.parent.level();return e=this.position(),e>1&&t.remove(this).add(this,e-1),this},front:function(){return this.parent.remove(this).put(this)},back:function(){var e=this.parent.level();return this.position()>1&&e.remove(this).add(this,0),this}}),SVG.Defs=function(){this.constructor.call(this,SVG.create("defs"))},SVG.Defs.prototype=new SVG.Element,SVG.extend(SVG.Defs,SVG.Container),SVG.Mask=function(){this.constructor.call(this,SVG.create("mask")),this.id="svgjs_"+SVG.did++,this.attr("id",this.id)},SVG.Mask.prototype=new SVG.Element,SVG.extend(SVG.Mask,SVG.Container),SVG.extend(SVG.Element,{maskWith:function(e){return this.attr("mask","url(#"+(e instanceof SVG.Mask?e:this.parent.mask().add(e)).id+")")}}),SVG.Gradient=function(t){this.constructor.call(this,SVG.create(t+"Gradient")),this.id="svgjs_"+SVG.did++,this.attr("id",this.id),this.type=t},SVG.Gradient.prototype=new SVG.Element,SVG.extend(SVG.Gradient,SVG.Container),SVG.extend(SVG.Gradient,{from:function(e,t){return this.type=="radial"?this.attr({fx:e+"%",fy:t+"%"}):this.attr({x1:e+"%",y1:t+"%"})},to:function(e,t){return this.type=="radial"?this.attr({cx:e+"%",cy:t+"%"}):this.attr({x2:e+"%",y2:t+"%"})},radius:function(e){return this.type=="radial"?this.attr({r:e+"%"}):this},at:function(e){return this.put(new SVG.Stop(e))},update:function(e){while(this.node.hasChildNodes())this.node.removeChild(this.node.lastChild);return e(this),this},fill:function(){return"url(#"+this.id+")"}}),SVG.extend(SVG.Defs,{gradient:function(e,t){var n=this.put(new SVG.Gradient(e));return t(n),n}}),SVG.Stop=function(t){this.constructor.call(this,SVG.create("stop")),this.update(t)},SVG.Stop.prototype=new SVG.Element,SVG.extend(SVG.Stop,{update:function(e){var t,n="",r=["opacity","color"];for(t=r.length-1;t>=0;t--)e[r[t]]!=null&&(n+="stop-"+r[t]+":"+e[r[t]]+";");return this.attr({offset:(e.offset!=null?e.offset:this.attrs.offset||0)+"%",style:n})}}),SVG.Doc=function(t){this.constructor.call(this,SVG.create("svg"));var n=document.createElement("div");n.style.cssText="position:relative;width:100%;height:100%;",typeof t=="string"&&(t=document.getElementById(t)),this.attr({xmlns:SVG.ns,version:"1.1",width:"100%",height:"100%"}).attr("xlink",SVG.xlink,SVG.ns).defs(),t.appendChild(n),n.appendChild(this.node),this.stage()},SVG.Doc.prototype=new SVG.Element,SVG.extend(SVG.Doc,SVG.Container),SVG.Shape=function(t){this.constructor.call(this,t)},SVG.Shape.prototype=new SVG.Element,e.prototype=new SVG.Shape,SVG.extend(e,{move:function(e,t){return this.center(e+this._b.width*this.child.trans.scaleX/2,t+this._b.height*this.child.trans.scaleY/2)},size:function(e,t){var n=e/this._b.width;return this.child.transform({scaleX:n,scaleY:t!=null?t/this._b.height:n}),this},center:function(e,t){return this.transform({x:e,y:t})},attr:function(e,t,n){if(typeof e=="object")for(t in e)this.attr(t,e[t]);else{if(arguments.length<2)return e=="transform"?this.attrs[e]:this.child.attrs[e];e=="transform"?(this.attrs[e]=t,n!=null?this.node.setAttributeNS(n,e,t):this.node.setAttribute(e,t)):this.child.attr(e,t,n)}return this},plot:function(e){return this.child.plot(e),this._b=this.child.bbox(),this.child.transform({x:-this._b.cx,y:-this._b.cy}),this}}),SVG.Rect=function(){this.constructor.call(this,SVG.create("rect"))},SVG.Rect.prototype=new SVG.Shape,SVG.Ellipse=function(){this.constructor.call(this,SVG.create("ellipse"))},SVG.Ellipse.prototype=new SVG.Shape,SVG.extend(SVG.Ellipse,{move:function(e,t){return this.attrs.x=e,this.attrs.y=t,this.center()},size:function(e,t){return this.attr({rx:e/2,ry:(t!=null?t:e)/2}).center()},center:function(e,t){return this.attr({cx:e||(this.attrs.x||0)+(this.attrs.rx||0),cy:t||(this.attrs.y||0)+(this.attrs.ry||0)})}}),SVG.Poly={plot:function(e){return this.attr("points",e||"0,0")},move:function(e,t){return this.transform({x:e,y:t})}},SVG.Polyline=function(){this.constructor.call(this,SVG.create("polyline"))},SVG.Polyline.prototype=new SVG.Shape,SVG.extend(SVG.Polyline,SVG.Poly),SVG.Polygon=function(){this.constructor.call(this,SVG.create("polygon"))},SVG.Polygon.prototype=new SVG.Shape,SVG.extend(SVG.Polygon,SVG.Poly),SVG.Path=function(){this.constructor.call(this,SVG.create("path"))},SVG.Path.prototype=new SVG.Shape,SVG.extend(SVG.Path,{move:function(e,t){this.transform({x:e,y:t})},plot:function(e){return this.attr("d",e||"M0,0")}}),SVG.Image=function(){this.constructor.call(this,SVG.create("image"))},SVG.Image.prototype=new SVG.Shape,SVG.extend(SVG.Image,{load:function(e){return this.src=e,e?this.attr("xlink:href",e,SVG.xlink):this}});var t=["size","family","weight","stretch","variant","style"];SVG.Text=function(){this.constructor.call(this,SVG.create("text")),this.style={"font-size":16,"font-family":"Helvetica","text-anchor":"start"},this.leading=1.2},SVG.Text.prototype=new SVG.Shape,SVG.extend(SVG.Text,{text:function(e){this.content=e=e||"text",this.lines=[];var t,r,i=this._style(),s=this.parentDoc(),o=e.split("\n"),u=this.style["font-size"];while(this.node.hasChildNodes())this.node.removeChild(this.node.lastChild);for(t=0,l=o.length;t<l;t++)r=(new n).text(o[t]).attr({dy:u*this.leading-(t==0?u*.3:0),x:this.attrs.x||0,style:i}),this.node.appendChild(r.node),this.lines.push(r);return this.attr("style",i)},_style:function(){var e,n="";for(e=t.length-1;e>=0;e--)this.style["font-"+t[e]]!=null&&(n+="font-"+t[e]+":"+this.style["font-"+t[e]]+";");return n+="text-anchor:"+this.style["text-anchor"]+";",n}}),n.prototype=new SVG.Shape,SVG.extend(n,{text:function(e){return this.node.appendChild(document.createTextNode(e)),this}});var r=["width","opacity","linecap","linejoin","miterlimit","dasharray","dashoffset"],i=["opacity","rule"];SVG.extend(SVG.Shape,{fill:function(e){var t;e.color!=null&&this.attr("fill",e.color);for(t=i.length-1;t>=0;t--)e[i[t]]!=null&&this.attr("fill-"+i[t],e[i[t]]);return this},stroke:function(e){var t;e.color&&this.attr("stroke",e.color);for(t=r.length-1;t>=0;t--)e[r[t]]!=null&&this.attr("stroke-"+r[t],e[r[t]]);return this}}),SVG.extend(SVG.Element,{rotate:function(e,t,n){var r=this.bbox();return this.transform({rotation:e||0,cx:t==null?r.cx:t,cy:n==null?r.cx:n})},skew:function(e,t){return this.transform({skewX:e||0,skewY:t||0})}}),SVG.extend(SVG.G,{move:function(e,t){return this.transform({x:e,y:t})}}),SVG.extend(SVG.Text,{font:function(e){var n,r={};for(n in e)n=="leading"?r[n]=e[n]:n=="anchor"?r["text-anchor"]=e[n]:t.indexOf(n)>-1?r["font-"+n]=e[n]:void 0;return this.attr(r).text(this.content)}})}).call(this);
\ No newline at end of file
+/* svg.js v0.1-54-g88987d6 - svg container element event group arrange defs mask gradient doc shape wrap rect ellipse poly path image text nested sugar - svgjs.com/license */
+function svg(e){return new SVG.Doc(e)}(function(){function e(e){this.constructor.call(this,SVG.create("g")),this.node.insertBefore(e.node,null),this.child=e}function n(){this.constructor.call(this,SVG.create("tspan"))}this.SVG={ns:"http://www.w3.org/2000/svg",xlink:"http://www.w3.org/1999/xlink",did:0,create:function(e){return document.createElementNS(this.ns,e)},extend:function(e,t){for(var n in t)e.prototype[n]=t[n]}},SVG.Container={add:function(e,t){return this.has(e)||(t=t==null?this.children().length:t,this.children().splice(t,0,e),this.node.insertBefore(e.node,this.node.childNodes[t]||null),e.parent=this),this},put:function(e,t){return this.add(e,t),e},has:function(e){return this.children().indexOf(e)>=0},children:function(){return this._children||(this._children=[])},each:function(e){var t,n=this.children();for(t=0,l=n.length;t<l;t++)n[t]instanceof SVG.Shape&&e.apply(n[t],[t,n]);return this},remove:function(e){return this.removeAt(this.children().indexOf(e))},removeAt:function(e){if(0<=e&&e<this.children().length){var t=this.children()[e];this.children().splice(e,1),this.node.removeChild(t.node),t.parent=null}return this},defs:function(){return this._defs||(this._defs=this.put(new SVG.Defs,0))},level:function(){return this.remove(d).put(this.defs(),0)},group:function(){return this.put(new SVG.G)},rect:function(e,t){return this.put((new SVG.Rect).size(e,t))},circle:function(e){return this.ellipse(e)},ellipse:function(e,t){return this.put((new SVG.Ellipse).size(e,t))},polyline:function(t){return this.put(new e(new SVG.Polyline)).plot(t)},polygon:function(t){return this.put(new e(new SVG.Polygon)).plot(t)},path:function(t){return this.put(new e(new SVG.Path)).plot(t)},image:function(e,t,n){return t=t!=null?t:100,this.put((new SVG.Image).load(e).size(t,n!=null?n:t))},text:function(e){return this.put((new SVG.Text).text(e))},nested:function(e){return this.put(new SVG.Nested)},gradient:function(e,t){return this.defs().gradient(e,t)},mask:function(){return this.defs().put(new SVG.Mask)},first:function(){return this.children()[1]},last:function(){return this.children()[this.children().length-1]},clear:function(){this._children=[];while(this.node.hasChildNodes())this.node.removeChild(this.node.lastChild);return this},stage:function(){var e,t=this;return e=function(){document.readyState==="complete"?(t.attr("style","position:absolute;"),setTimeout(function(){t.attr("style","position:relative;")},5)):setTimeout(e,10)},e(),this}},SVG.Element=function(t){this.node=t,this.attrs={},this.trans={x:0,y:0,scaleX:1,scaleY:1,rotation:0,skewX:0,skewY:0}},SVG.extend(SVG.Element,{move:function(e,t){return this.attr({x:e,y:t})},size:function(e,t){return this.attr({width:e,height:t})},center:function(e,t){var n=this.bbox();return this.move(e-n.width/2,t-n.height/2)},clone:function(){var t;if(this instanceof e)t=this.parent[this.child.node.nodeName](),t.child.trans=this.child.trans,t.child.attr(this.child.attrs).transform({});else{var n=this.node.nodeName;t=n=="rect"?this.parent[n](this.attrs.width,this.attrs.height):n=="ellipse"?this.parent[n](this.attrs.rx*2,this.attrs.ry*2):n=="image"?this.parent[n](this.src):n=="text"?this.parent[n](this.content):n=="g"?this.parent.group():this.parent[n]()}return t.trans=this.trans,t.attr(this.attrs).transform({})},remove:function(){return this.parent!=null?this.parent.remove(this):void 0},parentDoc:function(){return this._parent(SVG.Doc)},attr:function(e,t,n){if(arguments.length<2){if(typeof e!="object")return this._isStyle(e)?e=="text"?this.content:e=="leading"?this[e]:this.style[e]:this.attrs[e];for(t in e)this.attr(t,e[t])}else{this.attrs[e]=t;if(e=="x"&&this._isText())for(var r=this.lines.length-1;r>=0;r--)this.lines[r].attr(e,t);else n!=null?this.node.setAttributeNS(n,e,t):this.node.setAttribute(e,t);this._isStyle(e)&&(e=="text"?this.text(t):e=="leading"?this[e]=t:this.style[e]=t,this.text(this.content))}return this},transform:function(e){if(typeof e=="string")return this.trans[e];var t,n=[],r=this.bbox(),i=this.attr("transform")||"",s=i.match(/[a-z]+\([^\)]+\)/g)||[];for(t in e)e[t]!=null&&(this.trans[t]=e[t]);return e=this.trans,e.rotation!=0&&n.push("rotate("+e.rotation+","+(e.cx!=null?e.cx:r.cx)+","+(e.cy!=null?e.cy:r.cy)+")"),n.push("scale("+e.scaleX+","+e.scaleY+")"),e.skewX!=0&&n.push("skewX("+e.skewX+")"),e.skewY!=0&&n.push("skewY("+e.skewY+")"),n.push("translate("+e.x+","+e.y+")"),this.attr("transform",n.join(" "))},bbox:function(){var e=this.node.getBBox();return{x:e.x+this.trans.x,y:e.y+this.trans.y,cx:e.x+this.trans.x+e.width/2,cy:e.y+this.trans.y+e.height/2,width:e.width,height:e.height}},inside:function(e,t){var n=this.bbox();return e>n.x&&t>n.y&&e<n.x+n.width&&t<n.y+n.height},show:function(){return this.node.style.display="",this},hide:function(){return this.node.style.display="none",this},_parent:function(e){var t=this;while(t!=null&&!(t instanceof e))t=t.parent;return t},_isStyle:function(e){return typeof e=="string"&&this._isText()?/^font|text|leading/.test(e):!1},_isText:function(){return this instanceof SVG.Text}}),["click","dblclick","mousedown","mouseup","mouseover","mouseout","mousemove","touchstart","touchend","touchmove","touchcancel"].forEach(function(e){SVG.Element.prototype[e]=function(t){var n=this;return this.node["on"+e]=function(){return t.apply(n,arguments)},this}}),SVG.G=function(){this.constructor.call(this,SVG.create("g"))},SVG.G.prototype=new SVG.Element,SVG.extend(SVG.G,SVG.Container),SVG.extend(SVG.G,{defs:function(){return this.parentDoc().defs()}}),SVG.extend(SVG.Element,{siblings:function(){return this.parent.children()},position:function(){return this.siblings().indexOf(this)},next:function(){return this.siblings()[this.position()+1]},previous:function(){return this.siblings()[this.position()-1]},forward:function(){return this.parent.remove(this).put(this,this.position()+1)},backward:function(){var e,t=this.parent.level();return e=this.position(),e>1&&t.remove(this).add(this,e-1),this},front:function(){return this.parent.remove(this).put(this)},back:function(){var e=this.parent.level();return this.position()>1&&e.remove(this).add(this,0),this}}),SVG.Defs=function(){this.constructor.call(this,SVG.create("defs"))},SVG.Defs.prototype=new SVG.Element,SVG.extend(SVG.Defs,SVG.Container),SVG.Mask=function(){this.constructor.call(this,SVG.create("mask")),this.id="svgjs_"+SVG.did++,this.attr("id",this.id)},SVG.Mask.prototype=new SVG.Element,SVG.extend(SVG.Mask,SVG.Container),SVG.extend(SVG.Element,{maskWith:function(e){return this.attr("mask","url(#"+(e instanceof SVG.Mask?e:this.parent.mask().add(e)).id+")")}}),SVG.Gradient=function(t){this.constructor.call(this,SVG.create(t+"Gradient")),this.id="svgjs_"+SVG.did++,this.attr("id",this.id),this.type=t},SVG.Gradient.prototype=new SVG.Element,SVG.extend(SVG.Gradient,SVG.Container),SVG.extend(SVG.Gradient,{from:function(e,t){return this.type=="radial"?this.attr({fx:e+"%",fy:t+"%"}):this.attr({x1:e+"%",y1:t+"%"})},to:function(e,t){return this.type=="radial"?this.attr({cx:e+"%",cy:t+"%"}):this.attr({x2:e+"%",y2:t+"%"})},radius:function(e){return this.type=="radial"?this.attr({r:e+"%"}):this},at:function(e){return this.put(new SVG.Stop(e))},update:function(e){while(this.node.hasChildNodes())this.node.removeChild(this.node.lastChild);return e(this),this},fill:function(){return"url(#"+this.id+")"}}),SVG.extend(SVG.Defs,{gradient:function(e,t){var n=this.put(new SVG.Gradient(e));return t(n),n}}),SVG.Stop=function(t){this.constructor.call(this,SVG.create("stop")),this.update(t)},SVG.Stop.prototype=new SVG.Element,SVG.extend(SVG.Stop,{update:function(e){var t,n="",r=["opacity","color"];for(t=r.length-1;t>=0;t--)e[r[t]]!=null&&(n+="stop-"+r[t]+":"+e[r[t]]+";");return this.attr({offset:(e.offset!=null?e.offset:this.attrs.offset||0)+"%",style:n})}}),SVG.Doc=function(t){this.constructor.call(this,SVG.create("svg"));var n=document.createElement("div");n.style.cssText="position:relative;width:100%;height:100%;",typeof t=="string"&&(t=document.getElementById(t)),this.attr({xmlns:SVG.ns,version:"1.1",width:"100%",height:"100%"}).attr("xlink",SVG.xlink,SVG.ns).defs(),t.appendChild(n),n.appendChild(this.node),this.stage()},SVG.Doc.prototype=new SVG.Element,SVG.extend(SVG.Doc,SVG.Container),SVG.Shape=function(t){this.constructor.call(this,t)},SVG.Shape.prototype=new SVG.Element,e.prototype=new SVG.Shape,SVG.extend(e,{move:function(e,t){return this.center(e+this._b.width*this.child.trans.scaleX/2,t+this._b.height*this.child.trans.scaleY/2)},size:function(e,t){var n=e/this._b.width;return this.child.transform({scaleX:n,scaleY:t!=null?t/this._b.height:n}),this},center:function(e,t){return this.transform({x:e,y:t})},attr:function(e,t,n){if(typeof e=="object")for(t in e)this.attr(t,e[t]);else{if(arguments.length<2)return e=="transform"?this.attrs[e]:this.child.attrs[e];e=="transform"?(this.attrs[e]=t,n!=null?this.node.setAttributeNS(n,e,t):this.node.setAttribute(e,t)):this.child.attr(e,t,n)}return this},plot:function(e){return this.child.plot(e),this._b=this.child.bbox(),this.child.transform({x:-this._b.cx,y:-this._b.cy}),this}}),SVG.Rect=function(){this.constructor.call(this,SVG.create("rect"))},SVG.Rect.prototype=new SVG.Shape,SVG.Ellipse=function(){this.constructor.call(this,SVG.create("ellipse"))},SVG.Ellipse.prototype=new SVG.Shape,SVG.extend(SVG.Ellipse,{move:function(e,t){return this.attrs.x=e,this.attrs.y=t,this.center()},size:function(e,t){return this.attr({rx:e/2,ry:(t!=null?t:e)/2}).center()},center:function(e,t){return this.attr({cx:e||(this.attrs.x||0)+(this.attrs.rx||0),cy:t||(this.attrs.y||0)+(this.attrs.ry||0)})}}),SVG.Poly={plot:function(e){return this.attr("points",e||"0,0")},move:function(e,t){return this.transform({x:e,y:t})}},SVG.Polyline=function(){this.constructor.call(this,SVG.create("polyline"))},SVG.Polyline.prototype=new SVG.Shape,SVG.extend(SVG.Polyline,SVG.Poly),SVG.Polygon=function(){this.constructor.call(this,SVG.create("polygon"))},SVG.Polygon.prototype=new SVG.Shape,SVG.extend(SVG.Polygon,SVG.Poly),SVG.Path=function(){this.constructor.call(this,SVG.create("path"))},SVG.Path.prototype=new SVG.Shape,SVG.extend(SVG.Path,{move:function(e,t){this.transform({x:e,y:t})},plot:function(e){return this.attr("d",e||"M0,0")}}),SVG.Image=function(){this.constructor.call(this,SVG.create("image"))},SVG.Image.prototype=new SVG.Shape,SVG.extend(SVG.Image,{load:function(e){return this.src=e,e?this.attr("xlink:href",e,SVG.xlink):this}});var t=["size","family","weight","stretch","variant","style"];SVG.Text=function(){this.constructor.call(this,SVG.create("text")),this.style={"font-size":16,"font-family":"Helvetica","text-anchor":"start"},this.leading=1.2},SVG.Text.prototype=new SVG.Shape,SVG.extend(SVG.Text,{text:function(e){this.content=e=e||"text",this.lines=[];var t,r,i=this._style(),s=this.parentDoc(),o=e.split("\n"),u=this.style["font-size"];while(this.node.hasChildNodes())this.node.removeChild(this.node.lastChild);for(t=0,l=o.length;t<l;t++)r=(new n).text(o[t]).attr({dy:u*this.leading-(t==0?u*.3:0),x:this.attrs.x||0,style:i}),this.node.appendChild(r.node),this.lines.push(r);return this.attr("style",i)},_style:function(){var e,n="";for(e=t.length-1;e>=0;e--)this.style["font-"+t[e]]!=null&&(n+="font-"+t[e]+":"+this.style["font-"+t[e]]+";");return n+="text-anchor:"+this.style["text-anchor"]+";",n}}),n.prototype=new SVG.Shape,SVG.extend(n,{text:function(e){return this.node.appendChild(document.createTextNode(e)),this}}),SVG.Nested=function(){this.constructor.call(this,SVG.create("svg")),this.attr("overflow","visible")},SVG.Nested.prototype=new SVG.Element,SVG.extend(SVG.Nested,SVG.Container);var r=["width","opacity","linecap","linejoin","miterlimit","dasharray","dashoffset"],i=["opacity","rule"];SVG.extend(SVG.Shape,{fill:function(e){var t;e.color!=null&&this.attr("fill",e.color);for(t=i.length-1;t>=0;t--)e[i[t]]!=null&&this.attr("fill-"+i[t],e[i[t]]);return this},stroke:function(e){var t;e.color&&this.attr("stroke",e.color);for(t=r.length-1;t>=0;t--)e[r[t]]!=null&&this.attr("stroke-"+r[t],e[r[t]]);return this}}),SVG.extend(SVG.Element,{rotate:function(e,t,n){var r=this.bbox();return this.transform({rotation:e||0,cx:t==null?r.cx:t,cy:n==null?r.cx:n})},skew:function(e,t){return this.transform({skewX:e||0,skewY:t||0})}}),SVG.extend(SVG.G,{move:function(e,t){return this.transform({x:e,y:t})}}),SVG.extend(SVG.Text,{font:function(e){var n,r={};for(n in e)n=="leading"?r[n]=e[n]:n=="anchor"?r["text-anchor"]=e[n]:t.indexOf(n)>-1?r["font-"+n]=e[n]:void 0;return this.attr(r).text(this.content)}})}).call(this);
\ No newline at end of file
diff --git a/src/container.js b/src/container.js
index 86c2827..3d19173 100644
--- a/src/container.js
+++ b/src/container.js
@@ -116,6 +116,11 @@ SVG.Container = {
     return this.put(new SVG.Text().text(t));
   },
   
+  // create nested svg document
+  nested: function(s) {
+    return this.put(new SVG.Nested());
+  },
+  
   // create element in defs
   gradient: function(t, b) {
     return this.defs().gradient(t, b);
diff --git a/src/nested.js b/src/nested.js
new file mode 100644
index 0000000..a2944c1
--- /dev/null
+++ b/src/nested.js
@@ -0,0 +1,11 @@
+
+SVG.Nested = function Nested() {
+  this.constructor.call(this, SVG.create('svg'));
+  this.attr('overflow', 'visible');
+};
+
+// inherit from SVG.Element
+SVG.Nested.prototype = new SVG.Element();
+
+// include the container object
+SVG.extend(SVG.Nested, SVG.Container);
\ No newline at end of file