first commit

script/plugins/VerticesDegree.js

@@ -0,0 +1,73 @@
+/**
+ * Algorithm samble.
+ *
+ */
+function VerticesDegree(graph, app)
+{
+    BaseAlgorithm.apply(this, arguments);
+    this.degree = {};
+    this.maxDegree = 0;
+}
+
+
+// inheritance.
+VerticesDegree.prototype = Object.create(BaseAlgorithm.prototype);
+
+
+VerticesDegree.prototype.getName = function(local)
+{
+    return local == "ru" ? "Рассчитать степень вершин" : "Calculate vertices degree";
+}
+
+VerticesDegree.prototype.getId = function()
+{
+    return "OlegSh.VertexDegree";
+}
+
+// @return message for user.
+VerticesDegree.prototype.getMessage = function(local)
+{
+    return (local == "ru" ? "Максимальная степень вершин графа равна " : "The maximum degree of a graph is ") + this.maxDegree;
+}
+
+VerticesDegree.prototype.result = function(resultCallback)
+{
+    this.degree = {};
+    this.maxDegree = 0;
+    
+    var result = {};
+    result["version"] = 1;
+    this.degree = getVertexToVertexArray(this.graph, false);
+    var graph = this.graph;
+    
+    for (var i = 0; i < graph.vertices.length; i++)
+    {
+        var vertex = graph.vertices[i];
+        var currentDegree = 0;
+        
+        if (this.degree.hasOwnProperty(vertex.id))
+        {
+            currentDegree = this.degree[vertex.id].length;
+            this.maxDegree = Math.max(this.maxDegree, currentDegree);
+        }
+        
+        vertex.upText = currentDegree;
+    }
+
+    return result;
+}
+
+VerticesDegree.prototype.getObjectSelectedGroup = function(object)
+{
+    return (this.degree.hasOwnProperty(object.id)) ? this.degree[object.id].length: 0;
+}
+
+
+// Factory for connected components.
+function CreateAlgorithmVerticesDegree(graph, app)
+{
+    return new VerticesDegree(graph, app)
+}
+
+// Gerister connected component.
+RegisterAlgorithm (CreateAlgorithmVerticesDegree);