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JGraphX Swing Component - Java Graph Visualization Library
This is a binary & source redistribution of the original, unmodified JGraphX library originating from:
"https://github.com/jgraph/jgraphx/archive/v3.4.1.3.zip".
The purpose of this redistribution is to make the library available to other Maven projects.
/**
* $Id: mxDoubleValCostFunction.java,v 1.4 2012/11/21 13:59:58 mate Exp $
* Copyright (c) 2012, JGraph Ltd
* Returns the value of a cell, which is assumed a Double
*/
package com.mxgraph.costfunction;
import com.mxgraph.view.mxCellState;
import com.mxgraph.view.mxGraph;
/**
* A cost function that assumes that edge value is of type "double" or "String" and returns that value. Default edge weight is 1.0 (if no double value can be retrieved)
*/
public class mxDoubleValCostFunction extends mxCostFunction
{
public double getCost(mxCellState state)
{
//assumed future parameters
if (state == null || state.getView() == null || state.getView().getGraph() == null)
{
return 1.0;
}
mxGraph graph = state.getView().getGraph();
Object cell = state.getCell();
Double edgeWeight = null;
if(graph.getModel().getValue(cell) == null || graph.getModel().getValue(cell) == "")
{
return 1.0;
}
else if (graph.getModel().getValue(cell) instanceof String)
{
edgeWeight = Double.parseDouble((String) graph.getModel().getValue(cell));
}
else
{
edgeWeight = (Double) graph.getModel().getValue(cell);
}
return edgeWeight;
};
};