@Override
public void handleMessage(int code, Object data) {
switch (code) {
// First re-check visibility of all tabs.
// While tab deletion can be made on the fly,
// tabs adding will be made by re-creation
// of all elements, to preserve their order
case ICPropertyTab.MANAGEDBUILDSTATE:
if (folder == null) {
if (itabs == null || itabs.size() == 0) return;
ICPropertyTab t = itabs.get(0).tab;
if (!t.canBeVisible()) t.handleTabEvent(ICPropertyTab.VISIBLE, null);
return;
}
boolean willAdd = false;
TabItem[] ts = folder.getItems();
int x = folder.getSelectionIndex();
String currHeader = (x == -1) ? null : ts[x].getText();
for (int i = 0; i < itabs.size(); i++) {
InternalTab itab = itabs.get(i);
TabItem ti = null;
for (TabItem element2 : ts) {
if (element2.isDisposed()) continue;
if (element2.getData() == itab.tab) {
ti = element2;
break;
}
}
if (itab.tab.canBeVisible()) {
if (ti == null) {
willAdd = true;
break;
}
} else {
if (ti != null) ti.dispose();
}
}
// in case of new tab added,
// we have to dispose and re-create all tabs
if (willAdd) {
for (int j = 0; j < ts.length; j++)
if (ts[j] != null && !ts[j].isDisposed()) ts[j].dispose();
TabItem ti = null;
for (int i = 0; i < itabs.size(); i++) {
InternalTab itab = itabs.get(i);
if (itab.tab.canBeVisible()) {
TabItem currTI = itab.createOn(folder);
if (currHeader != null && currHeader.equals(itab.text)) ti = currTI;
}
}
if (ti != null) folder.setSelection(ti);
}
break;
}
}
void releaseChildren(boolean destroy) {
if (items != null) {
for (int i = 0; i < items.length; i++) {
TabItem item = items[i];
if (item != null && !item.isDisposed()) {
item.release(false);
}
}
items = null;
}
super.releaseChildren(destroy);
}