@Override
public boolean applicable(final ServiceContext context) {
ISapphirePart part = context.find(ISapphirePart.class);
if (part instanceof SapphireDiagramEditorPagePart) {
SapphireDiagramEditorPagePart diagramPagePart = (SapphireDiagramEditorPagePart) part;
DiagramEditorPageDef pageDef = diagramPagePart.getPageDef();
if (pageDef.getLayoutPersistence().content() == LayoutPersistence.SIDE_BY_SIDE) {
return true;
}
}
return false;
}
@Override
protected Object run(final Presentation context) {
final SapphireDiagramEditorPagePart page = (SapphireDiagramEditorPagePart) getPart();
for (ISapphirePart selectedPart : page.getSelections()) {
if (selectedPart instanceof DiagramConnectionPart) {
((DiagramConnectionPart) selectedPart).removeAllBendpoints();
}
}
return null;
}
@Override
public boolean isEnabled() {
final SapphireDiagramEditorPagePart page = (SapphireDiagramEditorPagePart) getPart();
for (ISapphirePart selectedPart : page.getSelections()) {
if (selectedPart instanceof DiagramConnectionPart) {
if (!((DiagramConnectionPart) selectedPart).getBendpoints().isEmpty()) {
return true;
}
}
}
return false;
}
private void refreshConnectionPartsListener() {
for (DiagramConnectionPart connPart : this.selectedConnectionParts) {
connPart.detach(this.connectionPartListener);
}
SapphireDiagramEditorPagePart pagePart = (SapphireDiagramEditorPagePart) getPart();
List<DiagramConnectionPart> newSelectedParts = new ArrayList<DiagramConnectionPart>();
for (ISapphirePart part : pagePart.getSelections()) {
if (part instanceof DiagramConnectionPart) {
newSelectedParts.add((DiagramConnectionPart) part);
((DiagramConnectionPart) part).attach(this.connectionPartListener);
}
}
this.selectedConnectionParts.clear();
this.selectedConnectionParts.addAll(newSelectedParts);
}
@Override
public void init(SapphireAction action, ActionHandlerDef def) {
super.init(action, def);
SapphireDiagramEditorPagePart part = (SapphireDiagramEditorPagePart) getPart();
part.attach(
new Listener() {
@Override
public void handle(final Event e) {
if (e instanceof SelectionChangedEvent) {
broadcast(new EnablementChangedEvent());
refreshConnectionPartsListener();
}
}
});
refreshConnectionPartsListener();
}