feat:Added piechart in Dashboard

node_modules/svg.js/src/pattern.js

@@ -0,0 +1,58 @@
+SVG.Pattern = SVG.invent({
+  // Initialize node
+  create: 'pattern'
+
+  // Inherit from
+, inherit: SVG.Container
+
+  // Add class methods
+, extend: {
+    // Return the fill id
+    fill: function() {
+      return 'url(#' + this.id() + ')'
+    }
+    // Update pattern by rebuilding
+  , update: function(block) {
+      // remove content
+      this.clear()
+      
+      // invoke passed block
+      if (typeof block == 'function')
+        block.call(this, this)
+      
+      return this
+    }
+    // Alias string convertion to fill
+  , toString: function() {
+      return this.fill()
+    }
+    // custom attr to handle transform
+  , attr: function(a, b, c) {
+      if(a == 'transform') a = 'patternTransform'
+      return SVG.Container.prototype.attr.call(this, a, b, c)
+    }
+
+  }
+  
+  // Add parent method
+, construct: {
+    // Create pattern element in defs
+    pattern: function(width, height, block) {
+      return this.defs().pattern(width, height, block)
+    }
+  }
+})
+
+SVG.extend(SVG.Defs, {
+  // Define gradient
+  pattern: function(width, height, block) {
+    return this.put(new SVG.Pattern).update(block).attr({
+      x:            0
+    , y:            0
+    , width:        width
+    , height:       height
+    , patternUnits: 'userSpaceOnUse'
+    })
+  }
+
+})