/**
* This function re-computes the total number of hours for the selected period. It is ran every
* time the user edits a text field specifying the number of hours for a particular top-level
* project. Percentage labels are also updated.
*/
private void recomputeTotal() {
double total = 0;
for (Row row : rows.values()) {
try {
row.hours = Double.parseDouble(row.hoursTF.getText());
total += row.hours;
row.hoursTF.setForeground(normalColour);
} catch (NumberFormatException e) {
row.hoursTF.setForeground(errorColour);
totalLabel.setText("ERROR");
totalLabel.setForeground(errorColour);
return;
}
}
totalLabel.setText(decimalFormat.format(total));
totalLabel.setForeground(normalColour);
for (Row row : rows.values()) {
String percentS = decimalFormat.format(total == 0 ? 0 : 100 * row.hours / total);
row.percentL.setText("(" + percentS + "%)");
}
pack();
}
private MainPanel() {
super();
JLabel label = new JLabel(new DragHereIcon());
label.setText("<html>Drag <b>Files</b> Here");
label.setVerticalTextPosition(SwingConstants.BOTTOM);
label.setHorizontalTextPosition(SwingConstants.CENTER);
label.setForeground(Color.GRAY);
label.setFont(new Font(Font.SERIF, Font.PLAIN, 24));
label.setDropTarget(
new DropTarget(label, DnDConstants.ACTION_COPY, new FileDropTargetAdapter(), true));
// Test: label.setTransferHandler(new FileTransferHandler());
add(label);
setPreferredSize(new Dimension(320, 240));
}