/**
* Recursive traverse of tree to determine selections A leaf is selected if rsm is selected.
* Nonleaf nodes are selected if all children are selected.
*
* @param tn node in the tree for which to determine selection
* @param nodeidx the ordinal postion in the segments array
* @param gsm the graph segments selection model
* @param rsm the table row selection model
* @return true if given node tn is selected, else false
*/
private boolean selTraverse(
TreeNode tn, int[] nodeidx, ListSelectionModel gsm, ListSelectionModel rsm) {
boolean selected = true;
if (!tn.isLeaf()) {
// A nonleaf node is selected if all its children are selected.
for (int i = 0; i < tn.getChildCount(); i++) {
TreeNode cn = tn.getChildAt(i);
selected &= selTraverse(cn, nodeidx, gsm, rsm);
}
} else {
if (tn instanceof RowCluster) {
// get the row index of the leaf node
int ri = ((RowCluster) tn).getIndex();
// A leaf is selected if its row is selected in the row selection rsm.
selected = rsm.isSelectedIndex(ri);
}
}
// Get the offset into the segments array
int idx = nodeidx[0] * segOffset;
if (selected) {
gsm.addSelectionInterval(idx, idx + (segOffset - 1));
} else {
gsm.removeSelectionInterval(idx, idx + (segOffset - 1));
}
// Increment the nodeidx in the tree
nodeidx[0]++;
return selected;
}
/**
* 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));
}
/**
* Traververse the tree selecting rows coresponding to leaf nodes of the given node tn
*
* @param tn the node from which to start traversing
* @param rsm the selection model in which to mark selected rows
*/
private void selectTraverse(TreeNode tn, ListSelectionModel rsm) {
if (!tn.isLeaf()) {
for (int i = 0; i < tn.getChildCount(); i++) {
TreeNode cn = tn.getChildAt(i);
selectTraverse(cn, rsm);
}
} else {
if (tn instanceof RowCluster) {
int ri = ((RowCluster) tn).getIndex();
rsm.addSelectionInterval(ri, ri);
}
}
}
public void cleanUp() {
if (lsm != null) {
lsm.removeListSelectionListener(selListener);
}
}