/**
* Constructs a ClutoTree diaplay which is initialized with tableModel as the data model, and the
* given selection model.
*
* @param clutoSolution The clustering solution
* @param tableContext The context which manages views and selections.
* @param tableModel the data model for the parallel coordinate display
*/
public ClutoTree(ClutoSolution clutoSolution, TableContext tableContext, TableModel tableModel) {
ctx = tableContext;
tm = tableModel;
lsm = ctx.getRowSelectionModel(tm);
// labelModel
int ncol = tm.getColumnCount();
for (int i = 0; i < ncol; i++) {
labelModel.addElement(tm.getColumnName(i));
}
setLayout(new BorderLayout());
btnP = new JToolBar();
add(btnP, BorderLayout.NORTH);
labelChoice.addItemListener(
new ItemListener() {
public void itemStateChanged(ItemEvent e) {
if (e.getStateChange() == ItemEvent.SELECTED) {
labelColumn = 0;
String ln = (String) e.getItem();
if (ln != null) {
for (int c = 0; c < tm.getColumnCount(); c++) {
if (ln.equals(tm.getColumnName(c))) {
labelColumn = c;
break;
}
}
}
graph.invalidate();
validate();
repaint();
}
}
});
btnP.add(labelChoice);
graph = new SimpleGraph();
graph.getGraphDisplay().setOpaque(true);
graph.getGraphDisplay().setBackground(Color.white);
graph.getGraphDisplay().setGridColor(new Color(220, 220, 220));
graph.showGrid(false);
graph.showAxis(BorderLayout.WEST, false);
graph.showAxis(BorderLayout.EAST, true);
graph.getAxisDisplay(BorderLayout.EAST).setZoomable(true);
graph.getAxisDisplay(BorderLayout.EAST).setAxisLabeler(labeler);
((LinearAxis) graph.getYAxis()).setTickIncrement(-1.);
graph.getAxisDisplay(BorderLayout.SOUTH).setZoomable(true);
gs = new GraphSegments();
gs.setColor(Color.blue);
idxSelColor = new IndexSelectColor(Color.cyan, null, new DefaultListSelectionModel());
gs.setIndexedColor(idxSelColor);
graph.addGraphItem(gs);
graph.getGraphDisplay().addMouseListener(ma);
add(graph);
if (lsm != null) {
lsm.addListSelectionListener(selListener);
}
display(makeTree(clutoSolution));
}
/**
* Return a label for the given point on the graph axis
*
* @param value the value on the graph
* @return the label for the given value
*/
private String getLeafLabel(double value) {
String label = Double.toString(value);
try {
int v = (int) value;
int r = idxMap.getSrc(v);
if (r < 0 || r >= tm.getRowCount()) {
return "";
}
if (labelColumn >= 0 && labelColumn < tm.getColumnCount()) {
Object o = tm.getValueAt(r, labelColumn);
return o != null ? o.toString() : "";
}
} catch (Exception ex) {
ExceptionHandler.popupException("" + ex);
}
try {
label = Integer.toString((int) value);
} catch (Exception ex) {
ExceptionHandler.popupException("" + ex);
}
return label;
}
/**
* Display the tree rooted at node tn in the graph as a dendogram.
*
* @param tn the root node of the tree to display
*/
private void display(TreeNode tn) {
double[] segs = dendogram(tn);
double distance = 10.;
if (tn instanceof Cluster) {
distance = ((Cluster) tn).getSimilarity();
} else {
distance = ((DefaultMutableTreeNode) tn).getDepth();
}
gs.setData(segs, GraphDataModel.FORMAT_XY);
graph.getXAxis().setMin(distance);
graph.getXAxis().setMax(0.);
graph.getYAxis().setMin(tm.getRowCount() - .5);
graph.getYAxis().setMax(-.5);
repaint();
}