public void testModelChanged(TestModelChange change) {
switch (change.getKind()) {
case TestModelChange.INSERT:
doInsert(change);
break;
case TestModelChange.REMOVE:
doRemove(change);
break;
case TestModelChange.STRUCTURE_CHANGE:
doStructureChange(change);
break;
case TestModelChange.NON_STRUCTURE_CHANGE:
doNonStructureChange(change);
break;
default:
throw new IllegalArgumentException("Unknown kind of change");
}
StructuredSelection selection = new StructuredSelection(change.getChildren());
if ((change.getModifiers() & TestModelChange.SELECT) != 0) {
((StructuredViewer) fViewer).setSelection(selection);
}
if ((change.getModifiers() & TestModelChange.REVEAL) != 0) {
Object element = selection.getFirstElement();
if (element != null) {
((StructuredViewer) fViewer).reveal(element);
}
}
}
protected void doRemove(TestModelChange change) {
if (fViewer instanceof ListViewer) {
((ListViewer) fViewer).remove(change.getChildren());
} else if (fViewer instanceof TableViewer) {
((TableViewer) fViewer).remove(change.getChildren());
} else if (fViewer instanceof AbstractTreeViewer) {
((AbstractTreeViewer) fViewer).remove(change.getChildren());
} else if (fViewer instanceof ComboViewer) {
((ComboViewer) fViewer).remove(change.getChildren());
} else {
Assert.isTrue(false, "Unknown kind of viewer");
}
}
protected void doStructureChange(TestModelChange change) {
if (fViewer instanceof StructuredViewer) {
((StructuredViewer) fViewer).refresh(change.getParent());
} else {
Assert.isTrue(false, "Unknown kind of viewer");
}
}
protected void doNonStructureChange(TestModelChange change) {
if (fViewer instanceof StructuredViewer) {
((StructuredViewer) fViewer)
.update(change.getParent(), new String[] {IBasicPropertyConstants.P_TEXT});
} else {
Assert.isTrue(false, "Unknown kind of viewer");
}
}
protected void doInsert(TestModelChange change) {
if (fViewer instanceof ListViewer) {
if (change.getParent() != null && change.getParent().equals(fViewer.getInput())) {
((ListViewer) fViewer).add(change.getChildren());
}
} else if (fViewer instanceof TableViewer) {
if (change.getParent() != null && change.getParent().equals(fViewer.getInput())) {
((TableViewer) fViewer).add(change.getChildren());
}
} else if (fViewer instanceof AbstractTreeViewer) {
((AbstractTreeViewer) fViewer).add(change.getParent(), change.getChildren());
} else if (fViewer instanceof ComboViewer) {
((ComboViewer) fViewer).add(change.getChildren());
} else {
Assert.isTrue(false, "Unknown kind of viewer");
}
}
