org.tinymediamanager.ui.movies.MovieMatcherEditor Maven / Gradle / Ivy

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/*
 * Copyright 2012 - 2019 Manuel Laggner
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.tinymediamanager.ui.movies;

import java.beans.PropertyChangeListener;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Set;

import javax.swing.SwingUtilities;

import org.apache.commons.lang3.StringUtils;
import org.tinymediamanager.core.AbstractSettings;
import org.tinymediamanager.core.movie.MovieModuleManager;
import org.tinymediamanager.core.movie.entities.Movie;
import org.tinymediamanager.ui.ITmmUIFilter;
import org.tinymediamanager.ui.movies.filters.IMovieUIFilter;

import ca.odell.glazedlists.matchers.AbstractMatcherEditor;
import ca.odell.glazedlists.matchers.Matcher;

/**
 * The Class MovieMatcherEditor.
 * 
 * @author Manuel Laggner
 */
public class MovieMatcherEditor extends AbstractMatcherEditor {
  private final Set    filters;
  private final PropertyChangeListener filterChangeListener;

  /**
   * Instantiates a new movie matcher editor.
   */
  public MovieMatcherEditor() {
    filters = new HashSet<>();
    filterChangeListener = evt -> updateFiltering();
  }

  /**
   * Add a new UI filter to this matcher
   * 
   * @param filter
   *          the new filter to be added
   */
  public void addFilter(IMovieUIFilter filter) {
    filter.addPropertyChangeListener(filterChangeListener);
    filters.add(filter);
  }

  /**
   * set any stored filter values
   *
   * @param values
   *          the values to be set
   */
  public void setFilterValues(List values) {
    boolean fireFilterChanged = false;

    for (AbstractSettings.UIFilters uiFilters : values) {
      if (StringUtils.isBlank(uiFilters.id) || uiFilters.state == ITmmUIFilter.FilterState.INACTIVE) {
        continue;
      }
      for (IMovieUIFilter filter : filters) {
        if (filter.getId().equals(uiFilters.id)) {
          filter.setFilterState(uiFilters.state);
          filter.setFilterValue(uiFilters.filterValue);
          fireFilterChanged = true;
        }
      }
    }

    if (fireFilterChanged) {
      updateFiltering();
    }
  }

  /**
   * re-filter the list
   */
  private void updateFiltering() {
    SwingUtilities.invokeLater(() -> {
      Matcher matcher = new MovieMatcher(new HashSet<>(filters));
      fireChanged(matcher);
    });

    if (MovieModuleManager.SETTINGS.isStoreUiFilters()) {
      List filterValues = new ArrayList<>();
      for (IMovieUIFilter filter : filters) {
        if (filter.getFilterState() != ITmmUIFilter.FilterState.INACTIVE) {
          AbstractSettings.UIFilters uiFilters = new AbstractSettings.UIFilters();
          uiFilters.id = filter.getId();
          uiFilters.state = filter.getFilterState();
          uiFilters.filterValue = filter.getFilterValueAsString();
          filterValues.add(uiFilters);
        }
      }
      MovieModuleManager.SETTINGS.setUiFilters(filterValues);
      MovieModuleManager.SETTINGS.saveSettings();
    }
  }

  /**
   * get all filters
   * 
   * @return a {@link Set} of all filters
   */
  public Set getFilters() {
    return filters;
  }

  /*
   * helper class for running all filters against the given movie
   */
  private class MovieMatcher implements Matcher {
    private final Set filters;

    public MovieMatcher(Set filters) {
      this.filters = filters;
    }

    @Override
    public boolean matches(Movie movie) {
      for (IMovieUIFilter filter : filters) {
        switch (filter.getFilterState()) {
          case ACTIVE:
            if (!filter.accept(movie)) {
              return false;
            }
            break;

          case ACTIVE_NEGATIVE:
            if (filter.accept(movie)) {
              return false;
            }
            break;

          default:
            break;
        }
      }

      return true;
    }
  }
}