private Component createArrowSettingsPanel() {
final ArrowStyle[] styles = DiagramSchema.getCurrentSchema().getArrowStyles();
final JList<ArrowStyle> listView = new JList<>(styles);
listView.setCellRenderer(
new ListCellRenderer<ArrowStyle>() {
public Component getListCellRendererComponent(
final JList list,
final ArrowStyle style,
final int index,
final boolean isSelected,
final boolean cellHasFocus) {
JPanel retVal =
new JPanel() {
@Override
protected void paintComponent(final Graphics g) {
super.paintComponent(g);
Graphics2D g2d = (Graphics2D) g;
AffineTransform oldTransform = g2d.getTransform();
Paint oldPaint = g2d.getPaint();
Stroke oldStroke = g2d.getStroke();
Shape arrow = TransitionArrow.getArrowShape(style, getWidth() * 0.9);
g2d.setPaint(style.getColor());
g2d.translate(getWidth() * 0.95, getHeight() / 2);
g2d.fill(arrow);
if (style.getBorderWidth() != 0) {
g2d.setStroke(new BasicStroke(style.getBorderWidth()));
g2d.setPaint(Color.BLACK);
g2d.draw(arrow);
}
g2d.setPaint(oldPaint);
g2d.setStroke(oldStroke);
g2d.setTransform(oldTransform);
}
};
Dimension size = new Dimension(150, 30);
retVal.setMinimumSize(size);
retVal.setPreferredSize(size);
if (sequenceValues.size() > index) {
retVal.setToolTipText(sequenceValues.get(index).getDisplayString());
} else {
retVal.setToolTipText("n/a");
}
return retVal;
}
});
listView.addMouseListener(
new MouseAdapter() {
@Override
public void mouseClicked(final MouseEvent e) {
if (e.getClickCount() != 2) {
return;
}
int index = listView.getSelectedIndex();
ListModel listModel = listView.getModel();
ArrowStyle style = (ArrowStyle) listModel.getElementAt(index);
ArrowStyle newStyle = ArrowStyleChooser.showDialog(listView, "Edit arrow style", style);
if (newStyle != null) {
style.copyValues(newStyle);
DiagramSchema.getCurrentSchema().store();
diagramView.repaint();
}
}
});
MouseInputAdapter dragHandler =
new MouseInputAdapter() {
private boolean isDragging = false;
private int dragStartIndex;
@Override
public void mousePressed(MouseEvent e) {
if (SwingUtilities.isLeftMouseButton(e)) {
dragStartIndex = listView.getSelectedIndex();
}
}
@Override
public void mouseReleased(MouseEvent e) {
isDragging = false;
}
@Override
public void mouseDragged(MouseEvent e) {
if (isDragging) {
int currentIndex = listView.locationToIndex(e.getPoint());
if (currentIndex != dragStartIndex) {
int dragTargetIndex = listView.getSelectedIndex();
ArrowStyle sourceStyle = styles[dragStartIndex];
styles[dragStartIndex] = styles[dragTargetIndex];
styles[dragTargetIndex] = sourceStyle;
dragStartIndex = currentIndex;
}
}
isDragging = true;
}
};
listView.addMouseListener(dragHandler);
listView.addMouseMotionListener(dragHandler);
return new JScrollPane(listView);
}
