Added algorithm of visualization of graph based on weight and vertex degree.

script/plugins/ModernGraphStyle.js

@@ -0,0 +1,128 @@
+/**
+ * Algorithm for modern style of graph.
+ *
+ */
+function ModernGraphStyle(graph, app)
+{
+    BaseAlgorithm.apply(this, arguments);
+    this.minVertexSize = 20;
+    this.maxVertexSize = 100;
+    
+    this.minEdgeSize = 2;
+    this.maxEdgeSize = 12;
+}
+
+
+// inheritance.
+ModernGraphStyle.prototype = Object.create(BaseAlgorithm.prototype);
+
+
+ModernGraphStyle.prototype.getName = function(local)
+{
+    return local == "ru" ? "Визуализация на основе весов" : "Visualisation based on weight";
+}
+
+ModernGraphStyle.prototype.getId = function()
+{
+    return "OlegSh.ModernGraphStyle";
+}
+
+// @return message for user.
+ModernGraphStyle.prototype.getMessage = function(local)
+{
+    return (local == "ru" ? "Готово" : "Done");
+}
+
+ModernGraphStyle.prototype.result = function(resultCallback)
+{
+    var result = {};
+    result["version"] = 1;
+    
+    this.vertexVisualization();
+    this.edgeVisualization();
+
+    return result;
+}
+
+ModernGraphStyle.prototype.vertexVisualization = function()
+{
+    var degree = getVertexToVertexArray(this.graph, false);
+    var graph  = this.graph;
+    var maxDegree = 0;
+    
+    // Search max vertex degree.
+    for (var i = 0; i < graph.vertices.length; i++)
+    {
+        var vertex = graph.vertices[i];
+        
+        if (degree.hasOwnProperty(vertex.id))
+        {
+            var currentDegree = degree[vertex.id].length;
+            maxDegree = Math.max(maxDegree, currentDegree);
+        }
+    }
+    
+
+    for (var i = 0; i < graph.vertices.length; i++)
+    {
+        var vertex = graph.vertices[i];
+
+        if (degree.hasOwnProperty(vertex.id))
+        {
+            var currentDegree = degree[vertex.id].length;
+            vertex.model.diameter = (currentDegree / maxDegree) * (this.maxVertexSize - this.minVertexSize) + this.minVertexSize; 
+        }
+        else
+        {
+            vertex.model.diameter = this.minVertexSize;     
+        }
+    }
+}
+
+ModernGraphStyle.prototype.edgeVisualization = function()
+{
+    var graph         = this.graph;
+    var maxEdgeWeight = 0;
+    
+    // Search max edge weight.
+    for (var i = 0; i < graph.edges.length; i++)
+    {
+        var edge = graph.edges[i];
+        if (edge.useWeight)
+        {
+            maxEdgeWeight = Math.max(maxEdgeWeight, edge.weight);         
+        }
+    }
+    
+    // Search max edge weight.
+    if (maxEdgeWeight != 0) 
+    {
+        for (var i = 0; i < graph.edges.length; i++)
+        {
+            var edge = graph.edges[i];
+            if (edge.useWeight)
+            {
+                edge.model.width = (edge.weight / maxEdgeWeight) * (this.maxEdgeSize - this.minEdgeSize) + this.minEdgeSize;         
+            }
+            else
+            {
+                edge.model.width = this.minEdgeSize;  
+            }
+        }
+    }
+}
+
+ModernGraphStyle.prototype.getObjectSelectedGroup = function(object)
+{
+    return 0;
+}
+
+
+// Factory for connected components.
+function CreateAlgorithmModernGraphStyle(graph, app)
+{
+    return new ModernGraphStyle(graph, app)
+}
+
+// Gerister connected component.
+RegisterAlgorithm (CreateAlgorithmModernGraphStyle);