Examples with MatchingSet com.cburch.draw.util.MatchingSet used on opensource projects

Example 1 with MatchingSet

use of com.cburch.draw.util.MatchingSet in project logisim-evolution by reds-heig.

the class AppearanceEditHandler method paste.

@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()));
}