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https://github.com/UnickSoft/graphonline.git
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87 lines
2.7 KiB
JavaScript
87 lines
2.7 KiB
JavaScript
/**
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* This is base arc.
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*
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*
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*/
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function BaseEdge(vertex1, vertex2, isDirect, weight, useWeight)
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{
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this.vertex1 = vertex1;
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this.vertex2 = vertex2;
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this.arrayStyleStart = "";
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this.arrayStyleFinish = "";
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this.isDirect = isDirect;
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this.weight = Number(weight);
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this.text = "";
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// For direct graph, has pair edge or not.
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this.hasPair = false;
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this.useWeight = useWeight;
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this.id = 0;
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this.model = new EdgeModel();
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}
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BaseEdge.prototype.SaveToXML = function ()
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{
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return "<edge " +
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"vertex1=\"" + this.vertex1.id + "\" " +
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"vertex2=\"" + this.vertex2.id + "\" " +
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"isDirect=\"" + this.isDirect + "\" " +
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"weight=\"" + this.weight + "\" " +
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"useWeight=\"" + this.useWeight + "\" " +
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"hasPair=\"" + this.hasPair + "\" " +
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"id=\"" + this.id + "\" " +
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"text=\"" + this.text + "\" " +
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"arrayStyleStart=\"" + this.arrayStyleStart + "\" " +
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"arrayStyleFinish=\"" + this.arrayStyleFinish + "\" " +
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"></edge>";
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}
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BaseEdge.prototype.LoadFromXML = function (xml, graph)
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{
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var attr = xml.attr('vertex1');
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this.vertex1 = graph.FindVertex(parseInt(typeof attr !== 'undefined' ? attr : xml.attr('graph1')));
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var attr = xml.attr('vertex2');
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this.vertex2 = graph.FindVertex(parseInt(typeof attr !== 'undefined' ? attr : xml.attr('graph2')));
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this.isDirect = xml.attr('isDirect') == "true";
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this.weight = parseFloat(xml.attr('weight'));
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this.hasPair = xml.attr('hasPair') == "true";
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this.useWeight = xml.attr('useWeight') == "true";
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this.id = parseInt(xml.attr('id'));
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this.text = xml.attr("text") == null ? "" : xml.attr("text");
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this.arrayStyleStart = xml.attr("arrayStyleStart") == null ? "" : xml.attr("arrayStyleStart");
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this.arrayStyleFinish = xml.attr("arrayStyleFinish") == null ? "" : xml.attr("arrayStyleFinish");
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}
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BaseEdge.prototype.GetPixelLength = function ()
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{
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if (this.vertex1 == this.vertex2)
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{
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return (new CommonEdgeStyle()).sizeOfLoop * 2 * Math.PI;
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}
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else
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{
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return Point.distance(this.vertex1.position, this.vertex2.position);
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}
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}
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BaseEdge.prototype.GetWeight = function ()
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{
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return this.useWeight ? this.weight : 1;
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}
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BaseEdge.prototype.GetText = function ()
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{
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return this.text.length > 0 ? this.text : (this.useWeight ? this.weight.toString() : "");
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}
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BaseEdge.prototype.GetStartEdgeStyle = function ()
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{
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return this.arrayStyleStart;
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}
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BaseEdge.prototype.GetFinishEdgeStyle = function ()
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{
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return (this.arrayStyleFinish != "" ? this.arrayStyleFinish : (this.isDirect ? "arrow" : ""));
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}
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