jung 学习
// 使用该图创建布局对象
FR_Alg FR = new FR_Alg(g);
final VisualizationViewer<String,String> vv = new VisualizationViewer<String,String>(FR);
//定义节点颜色
Transformer<String, Paint> vertexPaint = new Transformer<String, Paint>() {
public Paint transform(String s){
d;
}
};
//设置顶点形状的显示尺寸为：字符数*8+16
Transformer<String, Integer> vst = new Transformer<String, Integer>() {
public Integer transform(String i) {
int len = i.toString().length();
if (len < 3)
len = 3;
return new Integer(len*2);
}
};
//高宽比变换器
Transformer<String, Float> vart = new Transformer<String, Float>() {
public Float transform(String i) {
int len = i.toString().length();
if (len < 3)
len = 3;
return new Float(4/len);
}
};
//构造顶点形状工厂
final VertexShapeFactory<String> vsf= new VertexShapeFactory<String>(vst, vart);
// final VertexShapeFactory<String> vsf= new VertexShapeFactory<String>();
//设置顶点形状变换器
Transformer<String, Shape> vertexShape = new Transformer<String, Shape>() {
public Shape transform(String s) {
Ellipse(s);
}
};
//获取图的相关属性
Transformer<String, String> vertexLabel = new Transformer<String, String>() {
public String transform(String s){
return s;//s就是图的节点
}
};
vv.getRenderContext().setVertexShapeTransformer(vertexShape);//设置顶点形状
vv.getRenderContext().setVertexFillPaintTransformer(vertexPaint);//对节点进行颜色填充
//vv.getRenderContext().setVertexDrawPaintTransformer(vertexPaint);//不进行颜色填充
//vv.getRenderContext().setVertexLabelTransformer(vertexLabel);//设置节点的标签
//vv.getRenderContext().setVertexLabelTransformer(new ToStringLabeller<String>());//与上功能一样
//vv.getRenderContext().setEdgeLabelTransformer(vertexLabel);//设置边的标签
//vv.getRenderContext().setEdgeLabelTransformer(new ToStringLabeller<String>());//，与上功能一样
//鼠标响应事件
final DefaultModalGraphMouse<String,Number> graphMouse = new DefaultModalGraphMouse<String,Number>();
vv.setGraphMouse(graphMouse);
//运行时点击“p”键切换到选择模式，点击“t”键切换到移动模式
vv.ModeKeyListener());
DefaultModalGraphMouse<Integer, Paint> gm = new DefaultModalGraphMouse<Integer, Paint>();
gm.setMode(Mode.PICKING);
getContentPane().add(vv);
pack();
