@Override
public void duplicate() {
Selection sel = canvas.getSelection();
int n = sel.getSelected().size();
List<CanvasObject> select = new ArrayList<CanvasObject>(n);
List<CanvasObject> clones = new ArrayList<CanvasObject>(n);
for (CanvasObject o : sel.getSelected()) {
if (o.canRemove()) {
CanvasObject copy = o.clone();
copy.translate(10, 10);
clones.add(copy);
select.add(copy);
} else {
select.add(o);
}
}
if (!clones.isEmpty()) {
canvas
.getProject()
.doAction(
new SelectionAction(
canvas,
Strings.getter("duplicateSelectionAction"),
null,
clones,
select,
null,
null));
}
}
@Override
public void paste() {
ClipboardContents clip = Clipboard.get();
Collection<CanvasObject> contents = clip.getElements();
List<CanvasObject> add = new ArrayList<CanvasObject>(contents.size());
for (CanvasObject o : contents) {
add.add(o.clone());
}
if (add.isEmpty()) return;
// find how far we have to translate shapes so that at least one of the
// pasted shapes doesn't match what's already in the model
Collection<CanvasObject> raw = canvas.getModel().getObjectsFromBottom();
MatchingSet<CanvasObject> cur = new MatchingSet<CanvasObject>(raw);
int dx = 0;
while (true) {
// if any shapes in "add" aren't in canvas, we are done
boolean allMatch = true;
for (CanvasObject o : add) {
if (!cur.contains(o)) {
allMatch = false;
break;
}
}
if (!allMatch) break;
// otherwise translate everything by 10 pixels and repeat test
for (CanvasObject o : add) {
o.translate(10, 10);
}
dx += 10;
}
Location anchorLocation = clip.getAnchorLocation();
if (anchorLocation != null && dx != 0) {
anchorLocation = anchorLocation.translate(dx, dx);
}
canvas
.getProject()
.doAction(
new SelectionAction(
canvas,
Strings.getter("pasteClipboardAction"),
null,
add,
add,
anchorLocation,
clip.getAnchorFacing()));
}