// default constructor
public TypeTableReferenceViewer(PoseidonCoreElement element,
EStructuralFeature attribute,
DSLAttributeModificationListener listener, boolean readOnly) {
super(element, attribute, listener, readOnly);
}
// this method creates the swing component which is used as an editor for
// your reference. We neew a combo-box.
@Override
public JComponent createEditor(String advancedModelValue) {
return new JComboBox();
}
// if you use a combo-box as an editor, than this method is responsible for
// filling up the list of possible values
@Override
protected void initListModel(JComboBox comboBox) {
final DefaultComboBoxModel model = (DefaultComboBoxModel) comboBox
.getModel();
model.removeAllElements();
final List<EModelElement> availableTypes = new ArrayList<EModelElement>();
availableTypes.add(null);
final SubjectRepositoryFacet repository=GlobalSubjectRepository.repository;
if (element instanceof DummyNode) {
final List<PoseidonCoreElement> dummyNodesFromModel = repository
.findAllElementsOfType(DummyNode.class, false);
availableTypes.addAll(dummyNodesFromModel);
}
// apply sorting
Collections.sort(availableTypes, new NameElementComparator());
for (EModelElement type : availableTypes) {
model.addElement(type);
}
final Object modelValue = getModelValue();
model.setSelectedItem(modelValue);
}
// this method installs the editor into the attribute panel
@Override
public JComponent installAttributeEditor(
final ToolCoordinatorFacet coordinator,
final JPanel insetPanel, GridBagConstraints gbcLeft,
GridBagConstraints gbcRight) {
// call super-method to do all the work
JComponent referenceEditor = super.installAttributeEditor(
coordinator, insetPanel, gbcLeft, gbcRight);
// add the renderer we want
((JComboBox) getEditor())
.setRenderer(new NamedElementComboBoxRenderer());
return referenceEditor;
}
// this method is responsible for getting the current value of the reference
// ("type" in our example) from the model
@Override
protected Object getModelValue() {
DummyNode type = null;
if (element instanceof DummyNode) {
DummyNode dummyNode = (DummyNode) element;
type = dummyNode.undeleted_getType();
}
return type;
}
// this method returns the command which is executed when you apply the
// changes
@Override
public com.gentleware.poseidon.idraw.foundation.Command formApplyCommand() {
if (!isModified())
return null;
return new com.gentleware.poseidon.idraw.foundation.AbstractCommand(
"set new type", "reverted to previous type") {
private static final long serialVersionUID = 1L;
private final DummyNode oldValue = (DummyNode) getModelValue();
private final DummyNode newValue = (DummyNode) getCurrentValue();
// this method is executed when you apply changes
public void execute(boolean isTop) {
setNewType((DummyNode) element, newValue);
}
// this method is executed when you undo your changes via Ctrl-Z or
// from the main menu
public void unExecute() {
setNewType((DummyNode) element, oldValue);
}
private void setNewType(DummyNode typedElement, DummyNode type) {
typedElement.setType(type);
}
};
}
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