I thought this would make an interesting blog post so I wrote a full
working sample. My initial mock had a mistake in listener registration:
Form hi = new Form("Tabs", new BorderLayout());
Tabs t = new Tabs();
t.addTab("T1", new Label("Tab 1"));
t.addTab("T2", new Label("Tab 2"));
t.addTab("T3", new Label("Tab 3"));
t.addTab("T4", new Label("Tab 4"));
Container tabsC = t.getTabsContainer();
tabsC.setDropTarget(true);
for(Component c : tabsC) {
c.setDraggable(true);
c.addDropListener(e -> {
e.consume();
Component dragged = c;
int x = e.getX();
int y = e.getY();
int i = tabsC.getComponentIndex(dragged);
if(i > -1) {
Component dest = tabsC.getComponentAt(x, y);
if(dest != dragged) {
Component source = t.getTabComponentAt(i);
int destIndex = tabsC.getComponentIndex(dest);
if(destIndex > -1 && destIndex != i) {
String title = t.getTabTitle(i);
t.removeTabAt(i);
if(destIndex > i) {
t.insertTab(title, null, source, destIndex - 1);
} else {
t.insertTab(title, null, source, destIndex);
}
}
}
tabsC.animateLayout(400);
}
});
}
hi.add(CENTER, t);
hi.show();
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