public void actionPerformed(ActionEvent evt) {
Object src = evt.getSource();
if (src == btnAdd) {
LineStyle style = new LineStyle();
EditorDialog.show(this, new EdgeStyleEditor(style, canvas, true), true);
if (style.getId() != null) {
canvas.addEdgeStyle(style);
jlistModel.addElement(style.getId());
}
return;
} else if (src == btnEdit) {
int index = jlist.getSelectedIndex();
if (index == -1) {
JOptionPane.showMessageDialog(
this,
"First select a style from the list",
"Information",
JOptionPane.INFORMATION_MESSAGE);
return;
}
LineStyle style = (LineStyle) styles.get(index);
EditorDialog.show(this, new EdgeStyleEditor(style, canvas, false), true);
jlistModel.set(index, style.getId());
canvas.repaint();
preview.repaint();
return;
} else if (src == btnDel) {
int index = jlist.getSelectedIndex();
if (index == -1) {
JOptionPane.showMessageDialog(
this,
"First select a style from the list",
"Information",
JOptionPane.INFORMATION_MESSAGE);
return;
}
canvas.removeEdgeStyle((LineStyle) styles.get(index));
jlistModel.remove(index);
return;
}
}
private void showPreview(LineStyle style) {
preview.setStyle(style);
}