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   1 /**
   2  * Copyright (c) 2010-2023 Contributors to the openHAB project
   3  *
   4  * See the NOTICE file(s) distributed with this work for additional
   5  * information.
   6  *
   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
  10  *
  11  * SPDX-License-Identifier: EPL-2.0
  12  */
  13 package org.openhab.binding.loxone.internal.controls;
  14
  15 import static org.openhab.binding.loxone.internal.LxBindingConstants.*;
  16
  17 import java.io.IOException;
  18 import java.math.BigDecimal;
  19 import java.util.ArrayList;
  20 import java.util.List;
  21 import java.util.Map;
  22 import java.util.stream.Collectors;
  23
  24 import org.openhab.binding.loxone.internal.types.LxUuid;
  25 import org.openhab.core.library.types.DecimalType;
  26 import org.openhab.core.library.types.OnOffType;
  27 import org.openhab.core.thing.ChannelUID;
  28 import org.openhab.core.thing.type.ChannelTypeUID;
  29 import org.openhab.core.types.Command;
  30 import org.openhab.core.types.StateDescriptionFragmentBuilder;
  31 import org.openhab.core.types.StateOption;
  32
  33 /**
  34  * A radio-button type of control on Loxone Miniserver.
  35  *
  36  * @author Pawel Pieczul - initial contribution
  37  *
  38  */
  39 class LxControlRadio extends LxControl {
  40
  41     static class Factory extends LxControlInstance {
  42         @Override
  43         LxControl create(LxUuid uuid) {
  44             return new LxControlRadio(uuid);
  45         }
  46
  47         @Override
  48         String getType() {
  49             return "radio";
  50         }
  51     }
  52
  53     /**
  54      * Number of outputs a radio controller may have
  55      */
  56     private static final int MAX_RADIO_OUTPUTS = 16;
  57
  58     /**
  59      * Radio-button has one state that is a number representing current active output
  60      */
  61     private static final String STATE_ACTIVE_OUTPUT = "activeoutput";
  62
  63     /**
  64      * Command string used to set radio button to all outputs off
  65      */
  66     private static final String CMD_RESET = "reset";
  67
  68     private Map<String, String> outputsMap;
  69
  70     @Override
  71     public void initialize(LxControlConfig config) {
  72         super.initialize(config);
  73         // add both channel and state description (all needed configuration is available)
  74         ChannelUID cid = addChannel("Number", new ChannelTypeUID(BINDING_ID, MINISERVER_CHANNEL_TYPE_RADIO_BUTTON),
  75                 defaultChannelLabel, "Radio button", tags, this::handleCommands, this::getChannelState);
  76
  77         if (details != null) {
  78             List<StateOption> outputs = new ArrayList<>();
  79             if (details.outputs != null) {
  80                 outputsMap = details.outputs;
  81                 outputs = details.outputs.entrySet().stream().map(e -> new StateOption(e.getKey(), e.getValue()))
  82                         .collect(Collectors.toList());
  83             }
  84             if (details.allOff != null && !details.allOff.isEmpty()) {
  85                 outputs.add(new StateOption("0", details.allOff));
  86                 outputsMap.put("0", details.allOff);
  87             }
  88             addChannelStateDescriptionFragment(cid,
  89                     StateDescriptionFragmentBuilder.create().withMinimum(BigDecimal.ZERO)
  90                             .withMaximum(new BigDecimal(MAX_RADIO_OUTPUTS)).withStep(BigDecimal.ONE).withReadOnly(false)
  91                             .withOptions(outputs).build());
  92         }
  93     }
  94
  95     private LxControlRadio(LxUuid uuid) {
  96         super(uuid);
  97     }
  98
  99     private void handleCommands(Command command) throws IOException {
 100         if (((command instanceof OnOffType onOffCommand && onOffCommand == OnOffType.OFF)
 101                 || DecimalType.ZERO.equals(command)) && outputsMap.containsKey("0")) {
 102             sendAction(CMD_RESET);
 103         } else if (command instanceof DecimalType output) {
 104             if (outputsMap.containsKey(output.toString())) {
 105                 sendAction(String.valueOf(output.intValue()));
 106             }
 107         }
 108     }
 109
 110     private DecimalType getChannelState() {
 111         Double output = getStateDoubleValue(STATE_ACTIVE_OUTPUT);
 112         if (output != null && output % 1 == 0 && outputsMap.containsKey(String.valueOf(output.intValue()))) {
 113             return new DecimalType(output);
 114         }
 115         return null;
 116     }
 117 }