node-red-contrib-smartnode/logic/toggle/toggle.js

this project is a nodejs package for making the nodered support the Smart Device development. the pacakge require node-red enviroment.

/**
 * Copyright 2015, 2015 MakerCollider.
 *
 * 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.
 **/

module.exports = function(RED) {

    function toggle(config) {

        RED.nodes.createNode(this, config);
        var node = this;
        node.log('start toggle');

        var stat = parseInt(config.initVal);

        if(stat)
            node.status({fill: 'red', shape:'dot', text: 'off'});
        else
            node.status({fill: 'green', shape:'dot', text: 'on'});

        function setStat(val) {
        if(val) 
            node.status({fill: 'green', shape:'dot', text: 'on'});
        else
            node.status({fill: 'red', shape:'dot', text: 'off'});
        }

        var atlas = global.atlas;

        function sendStat() {
            var val = stat ? 1 : 0;

            node.log('send ' + val);
            node.send({'payload': val});

            setStat(stat);
            atlas.emit('toggleQuery', stat);

            stat = !stat;
        }

        node.on('input', function(msg) {
            sendStat();
        });

        atlas.on('toggle', function(data) {
            node.log('recv remote toggle');
            sendStat();
        });

        atlas.on('toggleQuery', function() {
            atlas.emit('toggleQuery', stat);
        })

        atlas.genHtml.save({
            'name': 'toggle',
            'html': 'toggle.html'
        });

        /*sendStat();*/
   }

    RED.nodes.registerType('Toggle', toggle);

};