private int[] getWidths(TableModel tableModel) {
int[] widths = new int[tableModel.getColumnCount()];
for (int r = 0;
r < Math.min(tableModel.getRowCount(), 500);
r++) { // 500 is not for performance, but for using only a sample of data with huge table
for (int c = 0; c < tableModel.getColumnCount(); c++) {
Object o = tableModel.getValueAt(r, c);
if (o instanceof String) {
String s = ((String) o).trim();
if (s.length() > widths[c]) widths[c] = s.length();
}
}
}
return widths;
}
/**
* 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));
}
private static void setColumnWidths(JTable table, MetricTableSpecification tableSpecification) {
final TableModel model = table.getModel();
final TableColumnModel columnModel = table.getColumnModel();
final List<Integer> columnWidths = tableSpecification.getColumnWidths();
final List<String> columnOrder = tableSpecification.getColumnOrder();
if (columnWidths != null && !columnWidths.isEmpty()) {
final int columnCount = model.getColumnCount();
for (int i = 0; i < columnCount; i++) {
final String columnName = model.getColumnName(i);
final int index = columnOrder.indexOf(columnName);
if (index != -1) {
final Integer width = columnWidths.get(index);
final TableColumn column = columnModel.getColumn(i);
column.setPreferredWidth(width.intValue());
}
}
} else {
final Graphics graphics = table.getGraphics();
final Font font = table.getFont();
final FontMetrics fontMetrics = table.getFontMetrics(font);
final int rowCount = model.getRowCount();
int maxFirstColumnWidth = 100;
for (int i = 0; i < rowCount; i++) {
final String name = (String) model.getValueAt(i, 0);
if (name != null) {
final Rectangle2D stringBounds = fontMetrics.getStringBounds(name, graphics);
final double stringWidth = stringBounds.getWidth();
if (stringWidth > maxFirstColumnWidth) {
maxFirstColumnWidth = (int) stringWidth;
}
}
}
final int allocatedFirstColumnWidth = Math.min(300, maxFirstColumnWidth + 5);
final TableColumn column = columnModel.getColumn(0);
column.setPreferredWidth(allocatedFirstColumnWidth);
}
}
/**
* 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;
}
@Override
public void downloadBatch(DownloadBatch_Result result) {
table = new JTable();
tableModel = new TableModel(bState, result);
table.addMouseListener(
new MouseAdapter() {
public void mouseClicked(MouseEvent e) {
cells = bState.cells;
JTable target = (JTable) e.getSource();
int row = target.getSelectedRow();
int column = target.getSelectedColumn() - 1;
for (ArrayList<Cell> cellRow : cells) {
for (Cell cell : cellRow) {
if (cell.record == row && cell.field == column) {
bState.setSelectedCell(cell);
}
}
}
}
});
table.addKeyListener(
new KeyListener() {
@Override
public void keyTyped(KeyEvent e) {
// TODO Auto-generated method stub
}
@Override
public void keyPressed(KeyEvent e) {
// TODO Auto-generated method stub
}
@Override
public void keyReleased(KeyEvent e) {
JTable target = (JTable) e.getSource();
int row = target.getSelectedRow();
int column = target.getSelectedColumn() - 1;
if (e.getKeyCode() == KeyEvent.VK_TAB) {
for (ArrayList<Cell> cellRow : cells) {
for (Cell cell : cellRow) {
if (cell.record == row && cell.field == column) {
bState.setSelectedCell(cell);
}
}
}
}
}
});
table.setModel(tableModel);
table.setRowHeight(20);
table.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
table.setCellSelectionEnabled(true);
table.getTableHeader().setReorderingAllowed(false);
TableColumnModel columnModel = table.getColumnModel();
for (int i = 0; i < tableModel.getColumnCount(); ++i) {
TableColumn column = columnModel.getColumn(i);
column.setPreferredWidth(100);
}
for (int i = 0; i < tableModel.getColumnCount(); ++i) {
TableColumn column = columnModel.getColumn(i);
column.setCellRenderer(new CellRenderer());
// column.setCellEditor(new CellEditor());
}
BoxLayout box = new BoxLayout(this, BoxLayout.Y_AXIS);
setLayout(box);
add(table.getTableHeader());
add(table);
revalidate();
}
public int getColumnCount() {
return columnCountLimit == null ? original.getColumnCount() : columnCountLimit;
}
public int getColumnCount() {
return (tableModel == null) ? 0 : tableModel.getColumnCount();
}