first commit

script/BaseEdge.js

@@ -0,0 +1,57 @@
+/**
+ * This is base arc.
+ *
+ *
+ */
+
+function BaseEdge(vertex1, vertex2, isDirect, weight, useWeight)
+{
+    this.vertex1    = vertex1;
+    this.vertex2    = vertex2;
+    this.isDirect  = isDirect;
+    this.weight    = Number(weight);
+    // For direct graph, has pair edge or not.
+    this.hasPair   = false;
+    this.useWeight = useWeight;
+    this.id        = 0;
+}
+
+BaseEdge.prototype.model = new EdgeModel();
+
+BaseEdge.prototype.SaveToXML = function ()
+{
+	return "<edge " + 
+	       "vertex1=\""     + this.vertex1.id   + "\" " +
+	       "vertex2=\""     + this.vertex2.id   + "\" " +
+	       "isDirect=\""   + this.isDirect + "\" " +
+	       "weight=\""     + this.weight   + "\" " +
+	       "useWeight=\""  + this.useWeight + "\" " +
+	       "hasPair=\""    + this.hasPair + "\" " +
+	       "id=\""         + this.id + "\" " +
+		"></edge>";       
+}
+
+BaseEdge.prototype.LoadFromXML = function (xml, graph)
+{
+    var attr       =    xml.attr('vertex1');
+	this.vertex1   =    graph.FindVertex(parseInt(typeof attr !== 'undefined' ? attr : xml.attr('graph1')));
+    var attr       =    xml.attr('vertex2');
+	this.vertex2   =    graph.FindVertex(parseInt(typeof attr !== 'undefined' ? attr : xml.attr('graph2')));
+	this.isDirect  =    xml.attr('isDirect') == "true";
+	this.weight    =    parseFloat(xml.attr('weight'));
+	this.hasPair   =    xml.attr('hasPair') == "true";
+	this.useWeight =    xml.attr('useWeight') == "true";
+    this.id        =    parseInt(xml.attr('id'));
+}
+
+BaseEdge.prototype.GetPixelLength = function ()
+{
+    if (this.vertex1 == this.vertex2)
+    {
+        return (new CommonEdgeStyle()).sizeOfLoop * 2 * Math.PI;
+    }
+    else
+    {
+        return Point.distance(this.vertex1.position, this.vertex2.position);
+    }
+}