xy.reflect.ui.undo.CompositeModification Maven / Gradle / Ivy
package xy.reflect.ui.undo;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import xy.reflect.ui.info.IInfo;
import xy.reflect.ui.util.ReflectionUIError;
import xy.reflect.ui.util.ReflectionUIUtils;
public class CompositeModification implements IModification {
protected IModification[] modifications;
protected String title;
protected UndoOrder undoOrder;
protected IInfo target;
public CompositeModification(IInfo target, String title, UndoOrder undoOrder, IModification... modifications) {
this.target = target;
this.title = title;
this.undoOrder = undoOrder;
this.modifications = modifications;
}
public CompositeModification(IInfo target, String title, UndoOrder undoOrder, List modifications) {
this(target, title, undoOrder, modifications.toArray(new IModification[modifications.size()]));
}
@Override
public IInfo getTarget() {
return target;
}
@Override
public boolean isNull() {
for (IModification modif : modifications) {
if (!modif.isNull()) {
return false;
}
}
return true;
}
@Override
public IModification applyAndGetOpposite() {
List oppositeModifications = new ArrayList();
for (IModification modif : modifications) {
if (undoOrder == UndoOrder.getNormal()) {
oppositeModifications.add(0, modif.applyAndGetOpposite());
} else if (undoOrder == UndoOrder.getInverse()) {
oppositeModifications.add(modif.applyAndGetOpposite());
} else {
throw new ReflectionUIError();
}
}
return new CompositeModification(target, AbstractModification.getUndoTitle(title), undoOrder,
oppositeModifications);
}
public void setTitle(String title) {
this.title = title;
}
@Override
public String getTitle() {
if (title != null) {
return title;
} else {
List result = new ArrayList();
for (IModification modif : modifications) {
result.add(modif.getTitle());
}
return ReflectionUIUtils.stringJoin(result, ", ");
}
}
public IModification[] getModifications() {
return modifications;
}
public void setModifications(IModification[] modifications) {
this.modifications = modifications;
}
public UndoOrder getUndoOrder() {
return undoOrder;
}
public void setUndoOrder(UndoOrder undoOrder) {
this.undoOrder = undoOrder;
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + Arrays.hashCode(modifications);
result = prime * result + ((title == null) ? 0 : title.hashCode());
result = prime * result + ((undoOrder == null) ? 0 : undoOrder.hashCode());
return result;
}
@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (obj == null)
return false;
if (getClass() != obj.getClass())
return false;
CompositeModification other = (CompositeModification) obj;
if (!Arrays.equals(modifications, other.modifications))
return false;
if (title == null) {
if (other.title != null)
return false;
} else if (!title.equals(other.title))
return false;
if (undoOrder != other.undoOrder)
return false;
return true;
}
@Override
public String toString() {
return "CompositeModification [title=" + title + ", undoOrder=" + undoOrder + ", modifications="
+ Arrays.toString(modifications) + "]";
}
}