LastSelectedItemsSingleton.java

/**
 * The contents of this file are subject to the license and copyright
 * detailed in the LICENSE file at the root of the source
 * tree and available online at
 *
 * https://github.com/keeps/roda
 */
package org.roda.wui.client.common;

import java.util.ArrayList;
import java.util.List;

import org.roda.core.data.v2.index.IsIndexed;
import org.roda.core.data.v2.index.select.SelectedItems;
import org.roda.wui.client.common.lists.pagination.ListSelectionState;

public class LastSelectedItemsSingleton {

  private static LastSelectedItemsSingleton singleton = null;
  private SelectedItems<? extends IsIndexed> selected = null;
  private String detailsMessage = "";
  private List<String> lastHistory = new ArrayList<>();
  private IsIndexed lastObject = null;
  private ListSelectionState<? extends IsIndexed> lastListSelectionState = null;
  private boolean selectedJustActive = true;

  private LastSelectedItemsSingleton() {
    // do nothing
  }

  public static LastSelectedItemsSingleton getInstance() {
    if (singleton == null) {
      singleton = new LastSelectedItemsSingleton();
    }
    return singleton;
  }

  public SelectedItems<? extends IsIndexed> getSelectedItems() {
    return selected;
  }

  public void setSelectedItems(SelectedItems<? extends IsIndexed> selected) {
    this.selected = selected;
  }

  public String getDetailsMessage() {
    return detailsMessage;
  }

  public void setDetailsMessage(String detailsMessage) {
    this.detailsMessage = detailsMessage;
  }

  public List<String> getLastHistory() {
    return lastHistory;
  }

  public void setLastHistory(List<String> lastHistory) {
    this.lastHistory = lastHistory;
  }

  public void clearLastHistory() {
    this.lastHistory = new ArrayList<>();
  }

  public <T extends IsIndexed> T getLastObject() {
    return (T) this.lastObject;
  }

  public <T extends IsIndexed> void setLastObject(T lastObject) {
    this.lastObject = lastObject;
  }

  public <T extends IsIndexed> void setLastListSelectionState(ListSelectionState<T> lastListSelectionState) {
    this.lastListSelectionState = lastListSelectionState;
  }

  public ListSelectionState<? extends IsIndexed> getLastListSelectionState() {
    return lastListSelectionState;
  }

  public boolean isSelectedJustActive() {
    return selectedJustActive;
  }

  public void setSelectedJustActive(boolean selectedJustActive) {
    this.selectedJustActive = selectedJustActive;
  }

}