| /******************************************************************************* |
| * Copyright (c) 2012, 2020 Original authors and others. |
| * |
| * This program and the accompanying materials are made |
| * available under the terms of the Eclipse Public License 2.0 |
| * which is available at https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * Original authors and others - initial API and implementation |
| ******************************************************************************/ |
| package org.eclipse.nebula.widgets.nattable.layer.cell; |
| |
| import java.io.Serializable; |
| import java.util.Collection; |
| import java.util.HashMap; |
| import java.util.HashSet; |
| import java.util.List; |
| import java.util.Map; |
| |
| import org.eclipse.nebula.widgets.nattable.util.ArrayUtil; |
| |
| public abstract class AbstractOverrider implements IConfigLabelProvider { |
| |
| private Map<Serializable, List<String>> overrides = new HashMap<>(); |
| |
| /** |
| * Remove all registered labels from the key-label overrides for the given |
| * key. |
| * |
| * @param key |
| * The key for which all labels should be removed. |
| */ |
| public void removeOverride(Serializable key) { |
| this.overrides.remove(key); |
| } |
| |
| /** |
| * Add the given labels to the label collection for the given key. |
| * |
| * @param key |
| * The key for which the labels should be added. |
| * @param configLabels |
| * The labels to add. |
| */ |
| public void registerOverrides(Serializable key, String... configLabels) { |
| registerOverrides(key, ArrayUtil.asList(configLabels)); |
| } |
| |
| /** |
| * Add the given labels to the label collection for the given key. |
| * |
| * @param key |
| * The key for which the labels should be added. |
| * @param configLabels |
| * The labels to add. |
| */ |
| public void registerOverrides(Serializable key, List<String> configLabels) { |
| List<String> existingOverrides = getOverrides(key); |
| if (existingOverrides == null) { |
| this.overrides.put(key, configLabels); |
| } else { |
| for (String configLabel : configLabels) { |
| if (!existingOverrides.contains(configLabel)) { |
| existingOverrides.add(configLabel); |
| } |
| } |
| } |
| } |
| |
| /** |
| * Add the given labels on top of the label collection for the given key. |
| * |
| * @param key |
| * The key for which the labels should be added. |
| * @param configLabels |
| * The labels to add. |
| */ |
| public void registerOverridesOnTop(Serializable key, String... configLabels) { |
| registerOverridesOnTop(key, ArrayUtil.asList(configLabels)); |
| } |
| |
| /** |
| * Add the given labels on top of the label collection for the given key. |
| * |
| * @param key |
| * The key for which the labels should be added. |
| * @param configLabels |
| * The labels to add. |
| */ |
| public void registerOverridesOnTop(Serializable key, List<String> configLabels) { |
| List<String> existingOverrides = getOverrides(key); |
| if (existingOverrides == null) { |
| this.overrides.put(key, configLabels); |
| } else { |
| for (int i = configLabels.size() - 1; i >= 0; i--) { |
| String configLabel = configLabels.get(i); |
| if (!existingOverrides.contains(configLabel)) { |
| existingOverrides.add(0, configLabel); |
| } |
| } |
| } |
| } |
| |
| /** |
| * |
| * @return The map of registered key-label overrides. |
| */ |
| public Map<Serializable, List<String>> getOverrides() { |
| return this.overrides; |
| } |
| |
| /** |
| * Return the labels that are registered for the given key. |
| * |
| * @param key |
| * The key for which the labels are requested. |
| * @return The labels that are registered for the given key. |
| */ |
| public List<String> getOverrides(Serializable key) { |
| return this.overrides.get(key); |
| } |
| |
| /** |
| * Adds the given map of key-label overrides to the override map of this |
| * overrider. |
| * |
| * @param overrides |
| * The key-label overrides to add. |
| */ |
| public void addOverrides(Map<Serializable, List<String>> overrides) { |
| this.overrides.putAll(overrides); |
| } |
| |
| /** |
| * {@inheritDoc} |
| * |
| * @since 1.4 |
| */ |
| @Override |
| public Collection<String> getProvidedLabels() { |
| Collection<String> result = new HashSet<>(); |
| for (List<String> labels : this.overrides.values()) { |
| result.addAll(labels); |
| } |
| return result; |
| } |
| } |