Examples with ModelReorderAction com.cburch.draw.actions.ModelReorderAction used on opensource projects

Example 1 with ModelReorderAction

use of com.cburch.draw.actions.ModelReorderAction in project logisim-evolution by reds-heig.

the class AppearanceCanvas method doAction.

@Override
public void doAction(Action canvasAction) {
    Circuit circuit = circuitState.getCircuit();
    if (!proj.getLogisimFile().contains(circuit)) {
        return;
    }
    if (canvasAction instanceof ModelReorderAction) {
        int max = getMaxIndex(getModel());
        ModelReorderAction reorder = (ModelReorderAction) canvasAction;
        List<ReorderRequest> rs = reorder.getReorderRequests();
        List<ReorderRequest> mod = new ArrayList<ReorderRequest>(rs.size());
        boolean changed = false;
        boolean movedToMax = false;
        for (ReorderRequest r : rs) {
            CanvasObject o = r.getObject();
            if (o instanceof AppearanceElement) {
                changed = true;
            } else {
                if (r.getToIndex() > max) {
                    int from = r.getFromIndex();
                    changed = true;
                    movedToMax = true;
                    if (from == max && !movedToMax) {
                        // this change is ineffective - don't add it
                        ;
                    } else {
                        mod.add(new ReorderRequest(o, from, max));
                    }
                } else {
                    if (r.getToIndex() == max)
                        movedToMax = true;
                    mod.add(r);
                }
            }
        }
        if (changed) {
            if (mod.isEmpty()) {
                return;
            }
            canvasAction = new ModelReorderAction(getModel(), mod);
        }
    }
    if (canvasAction instanceof ModelAddAction) {
        ModelAddAction addAction = (ModelAddAction) canvasAction;
        int cur = addAction.getDestinationIndex();
        int max = getMaxIndex(getModel());
        if (cur > max) {
            canvasAction = new ModelAddAction(getModel(), addAction.getObjects(), max + 1);
        }
    }
    proj.doAction(new CanvasActionAdapter(circuit, canvasAction));
}