372 lines
16 KiB
JavaScript
372 lines
16 KiB
JavaScript
/**
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* Copyright 2015, 2019 IBM Corp.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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**/
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module.exports = function(RED) {
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"use strict";
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var path = require("path");
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var express = require("express");
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var compression = require("compression");
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var sockjs = require('sockjs');
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var sockets = {};
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RED.log.info("Worldmap version " + require('./package.json').version );
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// add the cgi module for serving local maps....
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RED.httpNode.use("/cgi-bin/mapserv", require('cgi')(__dirname + '/mapserv'));
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function worldMap(node, n) {
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RED.nodes.createNode(node,n);
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node.lat = n.lat || "";
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node.lon = n.lon || "";
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node.zoom = n.zoom || "";
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node.layer = n.layer || "";
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node.cluster = n.cluster || "";
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node.maxage = n.maxage || "";
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if (n.maxage == 0) { node.maxage = "0"; }
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node.showmenu = n.usermenu || "show";
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node.layers = n.layers || "show";
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node.panlock = n.panlock || "false";
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node.zoomlock = n.zoomlock || "false";
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node.panit = n.panit || "false";
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node.hiderightclick = n.hiderightclick || "false";
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node.coords = n.coords || "none";
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node.showgrid = n.showgrid || "false";
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node.path = n.path || "/worldmap";
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if (node.path.charAt(0) != "/") { node.path = "/" + node.path; }
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if (!sockets[node.path]) {
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var libPath = path.posix.join(RED.settings.httpNodeRoot, node.path, 'leaflet', 'sockjs.min.js');
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var sockPath = path.posix.join(RED.settings.httpNodeRoot,node.path,'socket');
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sockets[node.path] = sockjs.createServer({prefix:sockPath, sockjs_url:libPath, log:function() { return; }});
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sockets[node.path].installHandlers(RED.server);
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}
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//node.log("Serving "+__dirname+" as "+node.path);
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node.log("started at "+node.path);
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var clients = {};
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RED.httpNode.use(compression());
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RED.httpNode.use(node.path, express.static(__dirname + '/worldmap'));
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// RED.httpNode.use(node.path, express.static(__dirname + '/worldmap', {maxage:3600000}));
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var callback = function(client) {
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//client.setMaxListeners(0);
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clients[client.id] = client;
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client.on('data', function(message) {
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message = JSON.parse(message);
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if (message.action === "connected") {
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var c = {init:true};
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if (node.lat && node.lat.length > 0) { c.lat = node.lat; }
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if (node.lon && node.lon.length > 0) { c.lon = node.lon; }
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if (node.zoom && node.zoom.length > 0) { c.zoom = node.zoom; }
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if (node.layer && node.layer.length > 0) { c.layer = node.layer; }
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if (node.cluster && node.cluster.length > 0) { c.cluster = node.cluster; }
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if (node.maxage && node.maxage.length > 0) { c.maxage = node.maxage; }
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c.showmenu = node.showmenu;
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c.panit = node.panit;
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c.panlock = node.panlock;
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c.zoomlock = node.zoomlock;
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c.showlayers = node.layers;
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c.grid = {showgrid:node.showgrid};
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c.hiderightclick = node.hiderightclick;
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c.coords = node.coords;
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client.write(JSON.stringify({command:c}));
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}
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});
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client.on('close', function() {
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delete clients[client.id];
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node.status({fill:"green",shape:"ring",text:"connected "+Object.keys(clients).length,_sessionid:client.id});
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});
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node.status({fill:"green",shape:"dot",text:"connected "+Object.keys(clients).length,_sessionid:client.id});
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}
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node.on('input', function(msg) {
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if (msg.hasOwnProperty("_sessionid")) {
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if (clients.hasOwnProperty(msg._sessionid)) {
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clients[msg._sessionid].write(JSON.stringify(msg.payload));
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}
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}
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else {
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for (var c in clients) {
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if (clients.hasOwnProperty(c)) {
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clients[c].write(JSON.stringify(msg.payload));
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}
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}
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}
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});
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node.on("close", function() {
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for (var c in clients) {
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if (clients.hasOwnProperty(c)) {
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clients[c].end();
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}
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}
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clients = {};
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sockets[node.path].removeListener('connection', callback);
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for (var i=0; i < RED.httpNode._router.stack.length; i++) {
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var r = RED.httpNode._router.stack[i];
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if ((r.name === "serveStatic") && (r.regexp.test(node.path))) {
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RED.httpNode._router.stack.splice(i, 1)
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}
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}
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node.status({});
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});
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sockets[node.path].on('connection', callback);
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}
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var WorldMap = function(n) {
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worldMap(this, n);
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}
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RED.nodes.registerType("worldmap",WorldMap);
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function HTML(ui, config) {
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var width = config.width;
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if (width == 0) {
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var group = RED.nodes.getNode(config.group);
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if (group) { width = group.config.width; }
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}
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var height = config.height;
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if (height == 0) { height = 10; }
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var size = ui.getSizes();
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var frameWidth = (size.sx +size.cx) *width - size.cx - 1;
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var frameHeight = (size.sy +size.cy) *height - size.cy - 2;
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var url = encodeURI(config.path);
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var html = `<div style="overflow:hidden;">
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<iframe src="${url}" width="${frameWidth}px" height="${frameHeight}px" style="border:none;"></iframe>
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</div>
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`;
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return html;
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}
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function checkConfig(node, conf) {
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if (!conf || !conf.hasOwnProperty("group")) {
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node.error("no group");
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return false;
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}
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return true;
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}
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var ui = undefined;
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try {
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ui = RED.require("node-red-dashboard")(RED);
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if (ui) {
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function UIWorldMap(config) {
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try {
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var node = this;
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worldMap(node, config);
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var done = null;
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if (checkConfig(node, config)) {
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var html = HTML(ui, config);
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done = ui.addWidget({
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node: node,
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order: config.order,
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group: config.group,
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width: config.width,
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height: config.height,
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format: html,
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templateScope: "local",
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emitOnlyNewValues: false,
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forwardInputMessages: false,
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storeFrontEndInputAsState: false,
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convertBack: function (value) {
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return value;
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},
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beforeEmit: function(msg, value) {
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return { msg: { items: value } };
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},
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beforeSend: function (msg, orig) {
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if (orig) { return orig.msg; }
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},
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initController: function($scope, events) {
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}
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});
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}
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}
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catch (e) {
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console.log(e);
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}
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node.on("close", function() {
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if (done) { done(); }
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});
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}
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RED.nodes.registerType("ui_worldmap", UIWorldMap);
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}
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}
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catch(e) {
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RED.log.info("Node-RED Dashboard not found - ui_worldmap not installed.");
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}
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var WorldMapIn = function(n) {
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RED.nodes.createNode(this,n);
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this.path = n.path || "/worldmap";
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this.events = n.events || "all";
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if (this.path.charAt(0) != "/") { this.path = "/" + this.path; }
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if (!sockets[this.path]) {
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var libPath = path.posix.join(RED.settings.httpNodeRoot, this.path, 'leaflet', 'sockjs.min.js');
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var sockPath = path.posix.join(RED.settings.httpNodeRoot,this.path,'socket');
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sockets[this.path] = sockjs.createServer({prefix:sockPath, sockjs_url:libPath, log:function() { return; }});
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sockets[this.path].installHandlers(RED.server);
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}
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var node = this;
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var clients = {};
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var callback = function(client) {
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//client.setMaxListeners(0);
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clients[client.id] = client;
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node.status({fill:"green",shape:"dot",text:"connected "+Object.keys(clients).length,_sessionid:client.id});
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client.on('data', function(message) {
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message = JSON.parse(message);
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if (node.events !== "connect") {
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setImmediate(function() {node.send({payload:message, topic:node.path.substr(1), _sessionid:client.id})});
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}
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else {
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if (message.hasOwnProperty("action") && (message.action === "connected")) {
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setImmediate(function() {node.send({payload:message, topic:node.path.substr(1), _sessionid:client.id})});
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}
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}
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});
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client.on('close', function() {
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delete clients[client.id];
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node.status({fill:"green",shape:"ring",text:"connected "+Object.keys(clients).length,_sessionid:client.id});
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if (node.events !== "connect") {
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node.send({payload:{action:"disconnect", clients:Object.keys(clients).length}, topic:node.path.substr(1), _sessionid:client.id});
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}
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});
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}
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node.on("close", function() {
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for (var c in clients) {
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if (clients.hasOwnProperty(c)) {
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clients[c].end();
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}
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}
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clients = {};
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sockets[this.path].removeListener('connection', callback);
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node.status({});
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});
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sockets[this.path].on('connection', callback);
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}
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RED.nodes.registerType("worldmap in",WorldMapIn);
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var WorldMapTracks = function(n) {
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RED.nodes.createNode(this,n);
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this.depth = parseInt(Number(n.depth) || 20);
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this.pointsarray = {};
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this.layer = n.layer || "combined"; // separate, single
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var node = this;
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var doTrack = function(msg) {
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if (msg.hasOwnProperty("payload") && msg.payload.hasOwnProperty("name")) {
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var newmsg = RED.util.cloneMessage(msg);
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if (msg.payload.deleted) {
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if (msg.payload.name.substr(-1) === '_') {
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var a = node.pointsarray[msg.payload.name.substr(0,msg.payload.name.length-1)].pop();
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node.pointsarray[msg.payload.name.substr(0,msg.payload.name.length-1)] = [ a ];
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node.send(newmsg);
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}
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else {
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delete node.pointsarray[msg.payload.name];
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}
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//newmsg.payload.name = msg.payload.name + "_";
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node.send(newmsg);
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return;
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}
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if (!msg.payload.hasOwnProperty("lat") || !msg.payload.hasOwnProperty("lon")) { return; }
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if (!node.pointsarray.hasOwnProperty(msg.payload.name)) {
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node.pointsarray[msg.payload.name] = [];
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}
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if (msg.payload.hasOwnProperty("trackpoints") && !isNaN(parseInt(msg.payload.trackpoints)) ) {
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var tl = parseInt(msg.payload.trackpoints);
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if (tl < 0) { tl = 0; }
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if (node.pointsarray[msg.payload.name].length > tl) {
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node.pointsarray[msg.payload.name] = node.pointsarray[msg.payload.name].slice(-tl);
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}
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node.depth = tl;
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}
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if (node.depth < 2) { return; } // if set less than 2 then don't bother.
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var still = false;
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if (node.pointsarray[msg.payload.name].length > 0) {
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var oldlat = node.pointsarray[msg.payload.name][node.pointsarray[msg.payload.name].length-1].lat;
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var oldlon = node.pointsarray[msg.payload.name][node.pointsarray[msg.payload.name].length-1].lon;
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if (msg.payload.lat === oldlat && msg.payload.lon === oldlon) { still = true; }
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}
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if (!still) { node.pointsarray[msg.payload.name].push(msg.payload);
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if (node.pointsarray[msg.payload.name].length > node.depth) {
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node.pointsarray[msg.payload.name].shift();
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}
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}
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var line = [];
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for (var i=0; i<node.pointsarray[msg.payload.name].length; i++) {
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var m = node.pointsarray[msg.payload.name][i];
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if (m.hasOwnProperty("lat") && m.hasOwnProperty("lon")) {
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line.push( [m.lat*1, m.lon*1] );
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delete newmsg.payload.lat;
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delete newmsg.payload.lon;
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}
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if (m.hasOwnProperty("latitude") && m.hasOwnProperty("longitude")) {
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line.push( [m.latitude*1, m.longitude*1] );
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delete newmsg.payload.latitude;
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delete newmsg.payload.longitude;
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}
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if (m.hasOwnProperty("position") && m.position.hasOwnProperty("lat") && m.position.hasOwnProperty("lon")) {
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line.push( [m.position.lat*1, m.position.lon*1] );
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delete newmsg.payload.position;
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}
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}
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if (line.length > 1) { // only send track if two points or more
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newmsg.payload.line = line;
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newmsg.payload.name = msg.payload.name + "_";
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if (node.layer === "separate") {
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newmsg.payload.layer = msg.payload.layer + " tracks";
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if (newmsg.payload.layer.indexOf('_') === 0) {
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newmsg.payload.layer = newmsg.payload.layer.substr(1);
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}
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}
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if (node.layer === "single") {
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newmsg.payload.layer = "Tracks";
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}
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node.send(newmsg); // send the track
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}
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}
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if (msg.hasOwnProperty("payload") && msg.payload.hasOwnProperty("command") && msg.payload.command.hasOwnProperty("clear")) {
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for (var p in node.pointsarray) {
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if (node.pointsarray.hasOwnProperty(p)) {
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if (node.pointsarray[p][0].layer === msg.payload.command.clear) {
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delete node.pointsarray[p];
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}
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}
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}
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}
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}
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node.on("input", function(m) {
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if (Array.isArray(m.payload)) {
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m.payload.forEach(function (pay) {
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var n = RED.util.cloneMessage(m)
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n.payload = pay;
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doTrack(n);
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});
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}
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else {
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doTrack(m);
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}
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});
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node.on("close", function() {
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node.pointsarray = {};
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});
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}
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RED.nodes.registerType("worldmap-tracks",WorldMapTracks);
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RED.httpNode.get("/.ui-worldmap", function(req, res) {
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res.send(ui ? "true": "false");
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});
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}
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