Merge pull request #200 from pklingem/master1.0.0-rc.7

add class manipulation functions to Element

4 files changed, 170 insertions, 6 deletions

diff --git a/dist/svg.js b/dist/svg.js
index 74566cc..c8eed90 100755
--- a/dist/svg.js
+++ b/dist/svg.js
@@ -1,4 +1,4 @@
-/* svg.js 1.0.0-rc.6-1-g1286e3d - svg inventor regex default color array pointarray patharray number viewbox bbox rbox element parent container fx relative event defs group arrange mask clip gradient pattern doc shape use rect ellipse line poly path image text textpath nested hyperlink sugar set data memory loader helpers - svgjs.com/license */
+/* svg.js 1.0.0-rc.6-8-g63d8846 - svg inventor regex default color array pointarray patharray number viewbox bbox rbox element parent container fx relative event defs group arrange mask clip gradient pattern doc shape use rect ellipse line poly path image text textpath nested hyperlink sugar set data memory loader helpers - svgjs.com/license */
 ;(function() {
 
   this.SVG = function(element) {
@@ -1317,6 +1317,49 @@
     , toString: function() {
         return this.attr('id')
       }
+      // Return array of classes on the node
+    , classes: function() {
+        var classAttr = this.node.getAttribute('class')
+        if (classAttr === null) {
+          return []
+        } else {
+          return classAttr.trim().split(/\s+/)
+        }
+      }
+      // Return true if class exists on the node, false otherwise
+    , hasClass: function(className) {
+        return this.classes().indexOf(className) != -1
+      }
+      // Add class to the node
+    , addClass: function(className) {
+        var classArray
+        if (!(this.hasClass(className))) {
+          classArray = this.classes()
+          classArray.push(className)
+          this.node.setAttribute('class', classArray.join(' '))
+        }
+        return this
+      }
+      // Remove class from the node
+    , removeClass: function(className) {
+        var classArray
+        if (this.hasClass(className)) {
+          classArray = this.classes().filter(function(c) {
+            return c != className
+          })
+          this.node.setAttribute('class', classArray.join(' '))
+        }
+        return this
+      }
+      // Toggle the presence of a class on the node
+    , toggleClass: function(className) {
+        if (this.hasClass(className)) {
+          this.removeClass(className)
+        } else {
+          this.addClass(className)
+        }
+        return this
+      }
       // Private: find svg parent by instance
     , _parent: function(parent) {
         var element = this
@@ -1329,6 +1372,7 @@
     }
   })
 
+
   SVG.Parent = SVG.invent({
     // Initialize node
     create: function(element) {
diff --git a/dist/svg.min.js b/dist/svg.min.js
index 64f3439..e742a1e 100755
--- a/dist/svg.min.js
+++ b/dist/svg.min.js
@@ -1,2 +1,2 @@
-(function(){function t(t){return t.toLowerCase().replace(/-(.)/g,function(t,e){return e.toUpperCase()})}function e(t){return 4==t.length?["#",t.substring(1,2),t.substring(1,2),t.substring(2,3),t.substring(2,3),t.substring(3,4),t.substring(3,4)].join(""):t}function i(t){var e=t.toString(16);return 1==e.length?"0"+e:e}function n(t,e,i){return(null==e||null==i)&&(null==i?i=t.height/t.width*e:null==e&&(e=t.width/t.height*i)),{width:e,height:i}}function r(t,e){return"number"==typeof t.from?t.from+(t.to-t.from)*e:t instanceof SVG.Color||t instanceof SVG.Number?t.at(e):1>e?t.from:t.to}function s(t){for(var e=0,i=t.length,n="";i>e;e++)n+=t[e][0],null!=t[e][1]&&(n+=t[e][1],null!=t[e][2]&&(n+=" ",n+=t[e][2],null!=t[e][3]&&(n+=" ",n+=t[e][3],n+=" ",n+=t[e][4],null!=t[e][5]&&(n+=" ",n+=t[e][5],n+=" ",n+=t[e][6],null!=t[e][7]&&(n+=" ",n+=t[e][7])))));return n+" "}function h(t){t.x2=t.x+t.width,t.y2=t.y+t.height,t.cx=t.x+t.width/2,t.cy=t.y+t.height/2}function o(t){if(t.matrix){var e=t.matrix.replace(/\s/g,"").split(",");6==e.length&&(t.a=parseFloat(e[0]),t.b=parseFloat(e[1]),t.c=parseFloat(e[2]),t.d=parseFloat(e[3]),t.e=parseFloat(e[4]),t.f=parseFloat(e[5]))}return t}if(this.SVG=function(t){return SVG.supported?(t=new SVG.Doc(t),SVG.parser||SVG.prepare(t),t):void 0},SVG.ns="http://www.w3.org/2000/svg",SVG.xmlns="http://www.w3.org/2000/xmlns/",SVG.xlink="http://www.w3.org/1999/xlink",SVG.did=1e3,SVG.eid=function(t){return"Svgjs"+t.charAt(0).toUpperCase()+t.slice(1)+SVG.did++},SVG.create=function(t){var e=document.createElementNS(this.ns,t);return e.setAttribute("id",this.eid(t)),e},SVG.extend=function(){var t,e,i,n;for(t=[].slice.call(arguments),e=t.pop(),n=t.length-1;n>=0;n--)if(t[n])for(i in e)t[n].prototype[i]=e[i];SVG.Set&&SVG.Set.inherit&&SVG.Set.inherit()},SVG.get=function(t){var e=document.getElementById(t);return e?e.instance:void 0},SVG.prepare=function(t){var e=document.getElementsByTagName("body")[0],i=(e?new 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0",attrs:{"fill-opacity":1,"stroke-opacity":1,"stroke-width":0,"stroke-linejoin":"miter","stroke-linecap":"butt",fill:"#000000",stroke:"#000000",opacity:1,x:0,y:0,cx:0,cy:0,width:0,height:0,r:0,rx:0,ry:0,offset:0,"stop-opacity":1,"stop-color":"#000000","font-size":16,"font-family":"Helvetica, Arial, sans-serif","text-anchor":"start"},trans:function(){return{x:0,y:0,scaleX:1,scaleY:1,rotation:0,skewX:0,skewY:0,matrix:this.matrix,a:1,b:0,c:0,d:1,e:0,f:0}}},SVG.Color=function(t){var i;this.r=0,this.g=0,this.b=0,"string"==typeof t?SVG.regex.isRgb.test(t)?(i=SVG.regex.rgb.exec(t.replace(/\s/g,"")),this.r=parseInt(i[1]),this.g=parseInt(i[2]),this.b=parseInt(i[3])):SVG.regex.isHex.test(t)&&(i=SVG.regex.hex.exec(e(t)),this.r=parseInt(i[1],16),this.g=parseInt(i[2],16),this.b=parseInt(i[3],16)):"object"==typeof t&&(this.r=t.r,this.g=t.g,this.b=t.b)},SVG.extend(SVG.Color,{toString:function(){return this.toHex()},toHex:function(){return"#"+i(this.r)+i(this.g)+i(this.b)},toRgb:function(){return"rgb("+[this.r,this.g,this.b].join()+")"},brightness:function(){return.3*(this.r/255)+.59*(this.g/255)+.11*(this.b/255)},morph:function(t){return this.destination=new SVG.Color(t),this},at:function(t){return this.destination?(t=0>t?0:t>1?1:t,new SVG.Color({r:~~(this.r+(this.destination.r-this.r)*t),g:~~(this.g+(this.destination.g-this.g)*t),b:~~(this.b+(this.destination.b-this.b)*t)})):this}}),SVG.Color.test=function(t){return t+="",SVG.regex.isHex.test(t)||SVG.regex.isRgb.test(t)},SVG.Color.isRgb=function(t){return t&&"number"==typeof t.r&&"number"==typeof t.g&&"number"==typeof t.b},SVG.Color.isColor=function(t){return SVG.Color.isRgb(t)||SVG.Color.test(t)},SVG.Array=function(t,e){t=(t||[]).valueOf(),0==t.length&&e&&(t=e.valueOf()),this.value=this.parse(t)},SVG.extend(SVG.Array,{morph:function(t){if(this.destination=this.parse(t),this.value.length!=this.destination.length){for(var e=this.value[this.value.length-1],i=this.destination[this.destination.length-1];this.value.length>this.destination.length;)this.destination.push(i);for(;this.value.length<this.destination.length;)this.value.push(e)}return this},settle:function(){for(var t=0,e=this.value.length,i=[];e>t;t++)-1==i.indexOf(this.value[t])&&i.push(this.value[t]);return this.value=i},at:function(t){if(!this.destination)return this;for(var e=0,i=this.value.length,n=[];i>e;e++)n.push(this.value[e]+(this.destination[e]-this.value[e])*t);return new SVG.Array(n)},toString:function(){return this.value.join(" ")},valueOf:function(){return this.value},parse:function(t){return t=t.valueOf(),Array.isArray(t)?t:this.split(t)},split:function(t){return t.replace(/\s+/g," ").replace(/^\s+|\s+$/g,"").split(" ")},reverse:function(){return this.value.reverse(),this}}),SVG.PointArray=function(){this.constructor.apply(this,arguments)},SVG.PointArray.prototype=new SVG.Array,SVG.extend(SVG.PointArray,{toString:function(){for(var t=0,e=this.value.length,i=[];e>t;t++)i.push(this.value[t].join(","));return i.join(" ")},at:function(t){if(!this.destination)return this;for(var e=0,i=this.value.length,n=[];i>e;e++)n.push([this.value[e][0]+(this.destination[e][0]-this.value[e][0])*t,this.value[e][1]+(this.destination[e][1]-this.value[e][1])*t]);return new SVG.PointArray(n)},parse:function(t){if(t=t.valueOf(),Array.isArray(t))return t;t=this.split(t);for(var e,i=0,n=t.length,r=[];n>i;i++)e=t[i].split(","),r.push([parseFloat(e[0]),parseFloat(e[1])]);return r},move:function(t,e){var i=this.bbox();if(t-=i.x,e-=i.y,!isNaN(t)&&!isNaN(e))for(var n=this.value.length-1;n>=0;n--)this.value[n]=[this.value[n][0]+t,this.value[n][1]+e];return this},size:function(t,e){var i,n=this.bbox();for(i=this.value.length-1;i>=0;i--)this.value[i][0]=(this.value[i][0]-n.x)*t/n.width+n.x,this.value[i][1]=(this.value[i][1]-n.y)*e/n.height+n.x;return this},bbox:function(){return SVG.parser.poly.setAttribute("points",this.toString()),SVG.parser.poly.getBBox()}}),SVG.PathArray=function(t,e){this.constructor.call(this,t,e)},SVG.PathArray.prototype=new SVG.Array,SVG.extend(SVG.PathArray,{toString:function(){return s(this.value)},move:function(t,e){var i=this.bbox();if(t-=i.x,e-=i.y,!isNaN(t)&&!isNaN(e))for(var n,r=this.value.length-1;r>=0;r--)n=this.value[r][0],"M"==n||"L"==n||"T"==n?(this.value[r][1]+=t,this.value[r][2]+=e):"H"==n?this.value[r][1]+=t:"V"==n?this.value[r][1]+=e:"C"==n||"S"==n||"Q"==n?(this.value[r][1]+=t,this.value[r][2]+=e,this.value[r][3]+=t,this.value[r][4]+=e,"C"==n&&(this.value[r][5]+=t,this.value[r][6]+=e)):"A"==n&&(this.value[r][6]+=t,this.value[r][7]+=e);return this},size:function(t,e){var 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e,i,n,r,h,o,a,u,l,c,f,p=0,d=0;for(SVG.parser.path.setAttribute("d","string"==typeof t?t:s(t)),f=SVG.parser.path.pathSegList,e=0,i=f.numberOfItems;i>e;++e)c=f.getItem(e),l=c.pathSegTypeAsLetter,"M"==l||"L"==l||"H"==l||"V"==l||"C"==l||"S"==l||"Q"==l||"T"==l||"A"==l?("x"in c&&(p=c.x),"y"in c&&(d=c.y)):("x1"in c&&(h=p+c.x1),"x2"in c&&(a=p+c.x2),"y1"in c&&(o=d+c.y1),"y2"in c&&(u=d+c.y2),"x"in c&&(p+=c.x),"y"in 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t},bbox:function(){return SVG.parser.path.setAttribute("d",this.toString()),SVG.parser.path.getBBox()}}),SVG.Number=function(t){if(this.value=0,this.unit="","number"==typeof t)this.value=isNaN(t)?0:isFinite(t)?t:0>t?-3.4e38:3.4e38;else if("string"==typeof t){var e=t.match(SVG.regex.unit);e&&(this.value=parseFloat(e[1]),"%"==e[2]?this.value/=100:"s"==e[2]&&(this.value*=1e3),this.unit=e[2])}else t instanceof SVG.Number&&(this.value=t.value,this.unit=t.unit)},SVG.extend(SVG.Number,{toString:function(){return("%"==this.unit?~~(1e8*this.value)/1e6:"s"==this.unit?this.value/1e3:this.value)+this.unit},valueOf:function(){return this.value},plus:function(t){return this.value=this+new SVG.Number(t),this},minus:function(t){return this.plus(-new SVG.Number(t))},times:function(t){return this.value=this*new SVG.Number(t),this},divide:function(t){return this.value=this/new SVG.Number(t),this},to:function(t){return"string"==typeof t&&(this.unit=t),this},morph:function(t){return this.destination=new SVG.Number(t),this},at:function(t){return this.destination?new SVG.Number(this.destination).minus(this).times(t).plus(this):this}}),SVG.ViewBox=function(t){var e,i,n,r,s=1,h=1,o=t.bbox(),a=(t.attr("viewBox")||"").match(/-?[\d\.]+/g);for(n=new SVG.Number(t.width()),r=new SVG.Number(t.height());"%"==n.unit;)s*=n.value,n=new SVG.Number(t instanceof SVG.Doc?t.parent.offsetWidth:t.width());for(;"%"==r.unit;)h*=r.value,r=new SVG.Number(t instanceof SVG.Doc?t.parent.offsetHeight:t.height());this.x=o.x,this.y=o.y,this.width=n*s,this.height=r*h,this.zoom=1,a&&(e=parseFloat(a[0]),i=parseFloat(a[1]),n=parseFloat(a[2]),r=parseFloat(a[3]),this.zoom=this.width/this.height>n/r?this.height/r:this.width/n,this.x=e,this.y=i,this.width=n,this.height=r)},SVG.extend(SVG.ViewBox,{toString:function(){return this.x+" "+this.y+" "+this.width+" "+this.height}}),SVG.BBox=function(t){var 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t?document.getElementById(t):t,this.constructor.call(this,"svg"==this.parent.nodeName?this.parent:SVG.create("svg")),this.attr({xmlns:SVG.ns,version:"1.1",width:"100%",height:"100%"}).attr("xmlns:xlink",SVG.xlink,SVG.xmlns),this._defs=new SVG.Defs,this._defs.parent=this,this.node.appendChild(this._defs.node),this.doSpof=!1,this.parent!=this.node&&this.stage()},inherit:SVG.Container,extend:{stage:function(){var t=this;return this.parent.appendChild(this.node),t.spof(),SVG.on(window,"resize",function(){t.spof()}),this},defs:function(){return this._defs},spof:function(){if(this.doSpof){var t=this.node.getScreenCTM();t&&this.style("left",-t.e%1+"px").style("top",-t.f%1+"px")}return this},fixSubPixelOffset:function(){return this.doSpof=!0,this}}}),SVG.Shape=SVG.invent({create:function(t){this.constructor.call(this,t)},inherit:SVG.Element}),SVG.Use=SVG.invent({create:"use",inherit:SVG.Shape,extend:{element:function(t){return 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this.transform({matrix:t})},opacity:function(t){return this.attr("opacity",t)}}),SVG.extend(SVG.Rect,SVG.Ellipse,SVG.FX,{radius:function(t,e){return this.attr({rx:t,ry:e||t})}}),SVG.extend(SVG.Path,{length:function(){return this.node.getTotalLength()},pointAt:function(t){return this.node.getPointAtLength(t)}}),SVG.extend(SVG.Parent,SVG.Text,SVG.FX,{font:function(t){for(var e in t)"leading"==e?this.leading(t[e]):"anchor"==e?this.attr("text-anchor",t[e]):"size"==e||"family"==e||"weight"==e||"stretch"==e||"variant"==e||"style"==e?this.attr("font-"+e,t[e]):this.attr(e,t[e]);return this}}),SVG.Set=SVG.invent({create:function(){this.clear()},extend:{add:function(){var t,e,i=[].slice.call(arguments);for(t=0,e=i.length;e>t;t++)this.members.push(i[t]);return this},remove:function(t){var e=this.index(t);return e>-1&&this.members.splice(e,1),this},each:function(t){for(var e=0,i=this.members.length;i>e;e++)t.apply(this.members[e],[e,this.members]);return this},clear:function(){return this.members=[],this},has:function(t){return this.index(t)>=0},index:function(t){return this.members.indexOf(t)},get:function(t){return this.members[t]},valueOf:function(){return this.members},bbox:function(){var t=new SVG.BBox;if(0==this.members.length)return t;var e=this.members[0].rbox();return t.x=e.x,t.y=e.y,t.width=e.width,t.height=e.height,this.each(function(){t=t.merge(this.rbox())}),t}},construct:{set:function(){return new SVG.Set}}}),SVG.SetFX=SVG.invent({create:function(t){this.set=t}}),SVG.Set.inherit=function(){var t,e=[];for(var t in SVG.Shape.prototype)"function"==typeof SVG.Shape.prototype[t]&&"function"!=typeof SVG.Set.prototype[t]&&e.push(t);e.forEach(function(t){SVG.Set.prototype[t]=function(){for(var e=0,i=this.members.length;i>e;e++)this.members[e]&&"function"==typeof this.members[e][t]&&this.members[e][t].apply(this.members[e],arguments);return"animate"==t?this.fx||(this.fx=new SVG.SetFX(this)):this}}),e=[];for(var t in SVG.FX.prototype)"function"==typeof SVG.FX.prototype[t]&&"function"!=typeof SVG.SetFX.prototype[t]&&e.push(t);e.forEach(function(t){SVG.SetFX.prototype[t]=function(){for(var e=0,i=this.set.members.length;i>e;e++)this.set.members[e].fx[t].apply(this.set.members[e].fx,arguments);return this}})},SVG.extend(SVG.Element,{data:function(t,e,i){if("object"==typeof t)for(e in t)this.data(e,t[e]);else if(arguments.length<2)try{return JSON.parse(this.attr("data-"+t))}catch(n){return this.attr("data-"+t)}else this.attr("data-"+t,null===e?null:i===!0||"string"==typeof e||"number"==typeof e?e:JSON.stringify(e));return this}}),SVG.extend(SVG.Element,{remember:function(t,e){if("object"==typeof arguments[0])for(var e in t)this.remember(e,t[e]);else{if(1==arguments.length)return this.memory()[t];this.memory()[t]=e}return this},forget:function(){if(0==arguments.length)this._memory={};else for(var t=arguments.length-1;t>=0;t--)delete this.memory()[arguments[t]];return this},memory:function(){return this._memory||(this._memory={})}}),"function"==typeof define&&define.amd?define(function(){return SVG}):"undefined"!=typeof exports&&(exports.SVG=SVG),window.requestAnimFrame=function(){return window.requestAnimationFrame||window.webkitRequestAnimationFrame||window.mozRequestAnimationFrame||window.msRequestAnimationFrame||function(t){window.setTimeout(t,1e3/60)}}()}).call(this);
\ No newline at end of file
diff --git a/spec/spec/element.js b/spec/spec/element.js
index 919df93..064c1e8 100755
--- a/spec/spec/element.js
+++ b/spec/spec/element.js
@@ -315,9 +315,86 @@ describe('Element', function() {
       expect(element).toBe(circle)
     })
   })
-  
-})
 
+  describe('classes()', function() {
+    it('returns an array of classes on the node', function() {
+      var element = draw.rect(100,100)
+      element.node.setAttribute('class', 'one two')
+      expect(element.classes()).toEqual(['one', 'two'])
+    })
+  })
+
+  describe('hasClass()', function() {
+    it('returns true if the node has the class', function() {
+      var element = draw.rect(100,100)
+      element.node.setAttribute('class', 'one')
+      expect(element.hasClass('one')).toBeTruthy()
+    })
+
+    it('returns false if the node does not have the class', function() {
+      var element = draw.rect(100,100)
+      element.node.setAttribute('class', 'one')
+      expect(element.hasClass('two')).toBeFalsy()
+    })
+  })
+
+  describe('addClass()', function() {
+    it('adds the class to the node', function() {
+      var element = draw.rect(100,100)
+      element.addClass('one')
+      expect(element.hasClass('one')).toBeTruthy()
+    })
+
+    it('does not add duplicate classes', function() {
+      var element = draw.rect(100,100)
+      element.addClass('one')
+      element.addClass('one')
+      expect(element.node.getAttribute('class')).toEqual('one')
+    })
+
+    it('returns the svg instance', function() {
+      var element = draw.rect(100,100)
+      expect(element.addClass('one')).toEqual(element)
+    })
+  })
+
+  describe('removeClass()', function() {
+    it('removes the class from the node when the class exists', function() {
+      var element = draw.rect(100,100)
+      element.addClass('one')
+      element.removeClass('one')
+      expect(element.hasClass('one')).toBeFalsy()
+    })
+
+    it('does nothing when the class does not exist', function() {
+      var element = draw.rect(100,100)
+      element.removeClass('one')
+      expect(element.hasClass('one')).toBeFalsy()
+    })
+
+    it('returns the element', function() {
+      var element = draw.rect(100,100)
+      expect(element.removeClass('one')).toEqual(element)
+    })
+  })
 
+  describe('toggleClass()', function() {
+    it('adds the class when it does not already exist', function(){
+      var element = draw.rect(100,100)
+      element.toggleClass('one')
+      expect(element.hasClass('one')).toBeTruthy()
+    })
 
+    it('removes the class when it already exists', function(){
+      var element = draw.rect(100,100)
+      element.addClass('one')
+      element.toggleClass('one')
+      expect(element.hasClass('one')).toBeFalsy()
+    })
 
+    it('returns the svg instance', function() {
+      var element = draw.rect(100,100)
+      expect(element.toggleClass('one')).toEqual(element)
+    })
+  })
+})
diff --git a/src/element.js b/src/element.js
index 52f9ad7..9c52dd0 100755
--- a/src/element.js
+++ b/src/element.js
@@ -341,6 +341,49 @@ SVG.Element = SVG.invent({
   , toString: function() {
       return this.attr('id')
     }
+    // Return array of classes on the node
+  , classes: function() {
+      var classAttr = this.node.getAttribute('class')
+      if (classAttr === null) {
+        return []
+      } else {
+        return classAttr.trim().split(/\s+/)
+      }
+    }
+    // Return true if class exists on the node, false otherwise
+  , hasClass: function(className) {
+      return this.classes().indexOf(className) != -1
+    }
+    // Add class to the node
+  , addClass: function(className) {
+      var classArray
+      if (!(this.hasClass(className))) {
+        classArray = this.classes()
+        classArray.push(className)
+        this.node.setAttribute('class', classArray.join(' '))
+      }
+      return this
+    }
+    // Remove class from the node
+  , removeClass: function(className) {
+      var classArray
+      if (this.hasClass(className)) {
+        classArray = this.classes().filter(function(c) {
+          return c != className
+        })
+        this.node.setAttribute('class', classArray.join(' '))
+      }
+      return this
+    }
+    // Toggle the presence of a class on the node
+  , toggleClass: function(className) {
+      if (this.hasClass(className)) {
+        this.removeClass(className)
+      } else {
+        this.addClass(className)
+      }
+      return this
+    }
     // Private: find svg parent by instance
   , _parent: function(parent) {
       var element = this
@@ -351,4 +394,4 @@ SVG.Element = SVG.invent({
       return element
     }
   }
-})
\ No newline at end of file
+})