/* Copyright (c) 2010, Carl Burch. License information is located in the
* com.cburch.logisim.Main source code and at www.cburch.com/logisim/. */
package com.cburch.logisim.gui.appear;
import java.util.ArrayList;
import java.util.Map;
import com.cburch.draw.model.CanvasModel;
import com.cburch.draw.model.CanvasObject;
import com.cburch.draw.util.ZOrder;
import com.cburch.logisim.circuit.appear.AppearanceAnchor;
import com.cburch.logisim.data.Direction;
import com.cburch.logisim.data.Location;
import com.cburch.logisim.proj.Action;
import com.cburch.logisim.proj.Project;
public class ClipboardActions extends Action {
public static Action cut(AppearanceCanvas canvas) {
return new ClipboardActions(true, canvas);
}
public static Action copy(AppearanceCanvas canvas) {
return new ClipboardActions(false, canvas);
}
private boolean remove;
private AppearanceCanvas canvas;
private CanvasModel canvasModel;
private ClipboardContents oldClipboard;
private Map<CanvasObject, Integer> affected;
private ClipboardContents newClipboard;
private ClipboardActions(boolean remove, AppearanceCanvas canvas) {
this.remove = remove;
this.canvas = canvas;
this.canvasModel = canvas.getModel();
ArrayList<CanvasObject> contents = new ArrayList<CanvasObject>();
Direction anchorFacing = null;
Location anchorLocation = null;
ArrayList<CanvasObject> aff = new ArrayList<CanvasObject>();
for (CanvasObject o : canvas.getSelection().getSelected()) {
if (o.canRemove()) {
aff.add(o);
contents.add(o.clone());
} else if (o instanceof AppearanceAnchor) {
AppearanceAnchor anch = (AppearanceAnchor) o;
anchorFacing = anch.getFacing();
anchorLocation = anch.getLocation();
}
}
contents.trimToSize();
affected = ZOrder.getZIndex(aff, canvasModel);
newClipboard = new ClipboardContents(contents, anchorLocation, anchorFacing);
}
@Override
public String getName() {
if (remove) {
return Strings.get("cutSelectionAction");
} else {
return Strings.get("copySelectionAction");
}
}
@Override
public void doIt(Project proj) {
oldClipboard = Clipboard.get();
Clipboard.set(newClipboard);
if (remove) {
canvasModel.removeObjects(affected.keySet());
}
}
@Override
public void undo(Project proj) {
if (remove) {
canvasModel.addObjects(affected);
canvas.getSelection().clearSelected();
canvas.getSelection().setSelected(affected.keySet(), true);
}
Clipboard.set(oldClipboard);
}
}