@Nullable
public Condition getCondition() {
Condition condition = null;
ConditionTemplate template = (ConditionTemplate) conditionType.getSelectedItem();
if (template != null) {
int count = parameterPanels.getComponentCount();
Object[] parameters = new Object[count];
for (int i = 0; i < count; ++i) {
ParameterPanel p = (ParameterPanel) parameterPanels.getComponent(i);
parameters[i] = p.getParameter();
}
condition = new Condition(template.getName(), parameters);
}
return condition;
}
public ConditionPanel(TriggerDialog owner, @Nullable Condition condition) {
super();
BoxLayout layout = new BoxLayout(this, BoxLayout.Y_AXIS);
setLayout(layout);
setBorder(BorderFactory.createEmptyBorder(10, 5, 10, 5));
this.owner = owner;
ConditionTemplate[] templates = ConditionTemplates.getInstance().getTemplates();
Arrays.sort(templates);
conditionType = new JComboBox(templates);
parameterPanels = new JPanel(new GridLayout(0, 1, 0, 5));
addCondition = new JButton("+");
removeCondition = new JButton("-");
final JPanel header = new JPanel();
header.add(conditionType);
header.add(removeCondition);
header.add(addCondition);
add(header);
add(parameterPanels);
final TriggerDialog dialog = this.owner;
conditionType.addItemListener(
new ItemListener() {
public void itemStateChanged(@Nonnull ItemEvent e) {
if (e.getStateChange() == ItemEvent.SELECTED) {
parameterPanels.removeAll();
ConditionTemplate template = (ConditionTemplate) e.getItem();
for (int i = 0; i < template.size(); ++i) {
ParameterPanel parameter = new ParameterPanel(template.getParameter(i));
parameterPanels.add(parameter);
}
dialog.pack();
dialog.validate();
} else if (e.getStateChange() == ItemEvent.DESELECTED) {
parameterPanels.removeAll();
dialog.pack();
dialog.validate();
}
}
});
conditionType.setSelectedIndex(-1);
if (condition != null) {
conditionType.setSelectedItem(
ConditionTemplates.getInstance().getTemplate(condition.getType()));
Object[] parameters = condition.getParameters();
for (int i = 0; i < parameters.length; ++i) {
ParameterPanel panel = (ParameterPanel) parameterPanels.getComponent(i);
panel.setParameter(parameters[i]);
}
}
addCondition.addActionListener(
new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
dialog.addCondition();
}
});
final ConditionPanel conditionPanel = this;
removeCondition.addActionListener(
new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
dialog.removeCondition(conditionPanel);
}
});
}