2 * Copyright (c) 2010-2020 Contributors to the openHAB project
4 * See the NOTICE file(s) distributed with this work for additional
7 * This program and the accompanying materials are made available under the
8 * terms of the Eclipse Public License 2.0 which is available at
9 * http://www.eclipse.org/legal/epl-2.0
11 * SPDX-License-Identifier: EPL-2.0
13 package org.openhab.binding.yamahareceiver.internal;
15 import static java.util.stream.Collectors.toList;
16 import static org.openhab.binding.yamahareceiver.internal.YamahaReceiverBindingConstants.*;
18 import java.util.Collection;
19 import java.util.Collections;
20 import java.util.List;
21 import java.util.Locale;
22 import java.util.stream.IntStream;
24 import org.eclipse.jdt.annotation.NonNullByDefault;
25 import org.eclipse.jdt.annotation.Nullable;
26 import org.openhab.binding.yamahareceiver.internal.handler.YamahaZoneThingHandler;
27 import org.openhab.binding.yamahareceiver.internal.state.PresetInfoState;
28 import org.openhab.core.thing.binding.ThingHandler;
29 import org.openhab.core.thing.binding.ThingHandlerService;
30 import org.openhab.core.thing.type.ChannelType;
31 import org.openhab.core.thing.type.ChannelTypeBuilder;
32 import org.openhab.core.thing.type.ChannelTypeProvider;
33 import org.openhab.core.thing.type.ChannelTypeUID;
34 import org.openhab.core.types.StateDescription;
35 import org.openhab.core.types.StateOption;
38 * Provide a custom channel type for the preset channel
40 * @author David Graeff - Initial contribution
41 * @author Tomasz Maruszak - RX-V3900 compatibility improvements
44 public class ChannelsTypeProviderPreset implements ChannelTypeProvider, ThingHandlerService {
45 private @NonNullByDefault({}) ChannelType channelType;
46 private @NonNullByDefault({}) ChannelTypeUID channelTypeUID;
47 private @NonNullByDefault({}) YamahaZoneThingHandler handler;
50 public Collection<ChannelType> getChannelTypes(@Nullable Locale locale) {
51 return Collections.singleton(channelType);
55 public @Nullable ChannelType getChannelType(ChannelTypeUID channelTypeUID, @Nullable Locale locale) {
56 if (this.channelTypeUID.equals(channelTypeUID)) {
63 public ChannelTypeUID getChannelTypeUID() {
64 return channelTypeUID;
67 private StateDescription getDefaultStateDescription() {
68 List<StateOption> options = IntStream.rangeClosed(1, 40)
69 .mapToObj(i -> new StateOption(Integer.toString(i), "Item_" + i)).collect(toList());
71 StateDescription state = new StateDescription(null, null, null, "%s", false, options);
75 public void changePresetNames(List<PresetInfoState.Preset> presets) {
76 List<StateOption> options = presets.stream()
77 .map(preset -> new StateOption(String.valueOf(preset.getValue()), preset.getName())).collect(toList());
79 StateDescription state = new StateDescription(null, null, null, "%s", false, options);
80 createChannelType(state);
83 private void createChannelType(StateDescription state) {
84 channelType = ChannelTypeBuilder.state(channelTypeUID, "Preset", "Number")
85 .withDescription("Select a saved channel by its preset number").withStateDescription(state).build();
90 public void setThingHandler(ThingHandler handler) {
91 this.handler = (YamahaZoneThingHandler) handler;
92 this.handler.channelsTypeProviderPreset = this;
94 * We generate a thing specific channelTypeUID, because presets absolutely depends on the thing.
96 channelTypeUID = new ChannelTypeUID(BINDING_ID,
97 CHANNEL_PLAYBACK_PRESET_TYPE_NAMED + handler.getThing().getUID().getId());
99 StateDescription state = getDefaultStateDescription();
100 createChannelType(state);
104 public @Nullable ThingHandler getThingHandler() {