mirror of
https://github.com/node-red/node-red.git
synced 2023-10-10 13:36:53 +02:00
554 lines
20 KiB
JavaScript
554 lines
20 KiB
JavaScript
/**
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* Copyright 2013 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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RED.nodes = (function() {
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var node_defs = {};
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var nodes = [];
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var configNodes = {};
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var links = [];
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var defaultWorkspace;
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var workspaces = {};
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var registry = (function() {
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var nodeList = [];
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var nodeSets = {};
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var typeToId = {};
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var nodeDefinitions = {};
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var exports = {
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getNodeList: function() {
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return nodeList;
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},
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setNodeList: function(list) {
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nodeList = [];
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for(var i=0;i<list.length;i++) {
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var ns = list[i];
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exports.addNodeSet(ns);
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}
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},
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addNodeSet: function(ns) {
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ns.added = false;
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nodeSets[ns.id] = ns;
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for (var j=0;j<ns.types.length;j++) {
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typeToId[ns.types[j]] = ns.id;
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}
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nodeList.push(ns);
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},
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removeNodeSet: function(id) {
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var ns = nodeSets[id];
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for (var j=0;j<ns.types.length;j++) {
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if (ns.added) {
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// TODO: too tightly coupled into palette UI
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RED.palette.remove(ns.types[j]);
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var def = nodeDefinitions[ns.types[j]];
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if (def.onpaletteremove && typeof def.onpaletteremove === "function") {
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def.onpaletteremove.call(def);
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}
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}
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delete typeToId[ns.types[j]];
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}
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delete nodeSets[id];
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for (var i=0;i<nodeList.length;i++) {
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if (nodeList[i].id == id) {
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nodeList.splice(i,1);
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break;
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}
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}
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return ns;
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},
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getNodeSet: function(id) {
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return nodeSets[id];
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},
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enableNodeSet: function(id) {
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var ns = nodeSets[id];
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ns.enabled = true;
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for (var j=0;j<ns.types.length;j++) {
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// TODO: too tightly coupled into palette UI
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RED.palette.show(ns.types[j]);
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var def = nodeDefinitions[ns.types[j]];
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if (def.onpaletteadd && typeof def.onpaletteadd === "function") {
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def.onpaletteadd.call(def);
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}
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}
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},
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disableNodeSet: function(id) {
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var ns = nodeSets[id];
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ns.enabled = false;
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for (var j=0;j<ns.types.length;j++) {
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// TODO: too tightly coupled into palette UI
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RED.palette.hide(ns.types[j]);
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var def = nodeDefinitions[ns.types[j]];
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if (def.onpaletteremove && typeof def.onpaletteremove === "function") {
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def.onpaletteremove.call(def);
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}
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}
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},
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registerNodeType: function(nt,def) {
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nodeDefinitions[nt] = def;
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nodeSets[typeToId[nt]].added = true;
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// TODO: too tightly coupled into palette UI
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RED.palette.add(nt,def);
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if (def.onpaletteadd && typeof def.onpaletteadd === "function") {
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def.onpaletteadd.call(def);
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}
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},
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getNodeType: function(nt) {
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return nodeDefinitions[nt];
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}
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};
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return exports;
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})();
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function getID() {
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return (1+Math.random()*4294967295).toString(16);
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}
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function addNode(n) {
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if (n._def.category == "config") {
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configNodes[n.id] = n;
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RED.sidebar.config.refresh();
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} else {
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n.dirty = true;
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nodes.push(n);
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var updatedConfigNode = false;
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for (var d in n._def.defaults) {
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if (n._def.defaults.hasOwnProperty(d)) {
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var property = n._def.defaults[d];
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if (property.type) {
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var type = registry.getNodeType(property.type);
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if (type && type.category == "config") {
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var configNode = configNodes[n[d]];
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if (configNode) {
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updatedConfigNode = true;
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configNode.users.push(n);
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}
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}
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}
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}
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}
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if (updatedConfigNode) {
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RED.sidebar.config.refresh();
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}
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}
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}
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function addLink(l) {
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links.push(l);
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}
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function addConfig(c) {
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configNodes[c.id] = c;
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}
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function getNode(id) {
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if (id in configNodes) {
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return configNodes[id];
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} else {
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for (var n in nodes) {
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if (nodes[n].id == id) {
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return nodes[n];
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}
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}
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}
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return null;
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}
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function removeNode(id) {
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var removedLinks = [];
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if (id in configNodes) {
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delete configNodes[id];
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RED.sidebar.config.refresh();
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} else {
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var node = getNode(id);
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if (node) {
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nodes.splice(nodes.indexOf(node),1);
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removedLinks = links.filter(function(l) { return (l.source === node) || (l.target === node); });
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removedLinks.map(function(l) {links.splice(links.indexOf(l), 1); });
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}
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var updatedConfigNode = false;
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for (var d in node._def.defaults) {
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if (node._def.defaults.hasOwnProperty(d)) {
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var property = node._def.defaults[d];
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if (property.type) {
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var type = registry.getNodeType(property.type);
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if (type && type.category == "config") {
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var configNode = configNodes[node[d]];
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if (configNode) {
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updatedConfigNode = true;
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var users = configNode.users;
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users.splice(users.indexOf(node),1);
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}
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}
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}
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}
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}
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if (updatedConfigNode) {
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RED.sidebar.config.refresh();
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}
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}
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return removedLinks;
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}
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function removeLink(l) {
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var index = links.indexOf(l);
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if (index != -1) {
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links.splice(index,1);
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}
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}
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function refreshValidation() {
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for (var n=0;n<nodes.length;n++) {
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RED.editor.validateNode(nodes[n]);
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}
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}
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function addWorkspace(ws) {
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workspaces[ws.id] = ws;
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}
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function getWorkspace(id) {
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return workspaces[id];
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}
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function removeWorkspace(id) {
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delete workspaces[id];
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var removedNodes = [];
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var removedLinks = [];
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var n;
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for (n=0;n<nodes.length;n++) {
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var node = nodes[n];
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if (node.z == id) {
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removedNodes.push(node);
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}
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}
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for (n=0;n<removedNodes.length;n++) {
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var rmlinks = removeNode(removedNodes[n].id);
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removedLinks = removedLinks.concat(rmlinks);
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}
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return {nodes:removedNodes,links:removedLinks};
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}
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function getAllFlowNodes(node) {
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var visited = {};
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visited[node.id] = true;
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var nns = [node];
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var stack = [node];
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while(stack.length !== 0) {
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var n = stack.shift();
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var childLinks = links.filter(function(d) { return (d.source === n) || (d.target === n);});
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for (var i=0;i<childLinks.length;i++) {
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var child = (childLinks[i].source === n)?childLinks[i].target:childLinks[i].source;
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if (!visited[child.id]) {
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visited[child.id] = true;
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nns.push(child);
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stack.push(child);
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}
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}
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}
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return nns;
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}
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/**
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* Converts a node to an exportable JSON Object
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**/
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function convertNode(n, exportCreds) {
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exportCreds = exportCreds || false;
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var node = {};
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node.id = n.id;
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node.type = n.type;
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for (var d in n._def.defaults) {
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if (n._def.defaults.hasOwnProperty(d)) {
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node[d] = n[d];
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}
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}
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if(exportCreds && n.credentials) {
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node.credentials = {};
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for (var cred in n._def.credentials) {
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if (n._def.credentials.hasOwnProperty(cred)) {
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if (n.credentials[cred] != null) {
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node.credentials[cred] = n.credentials[cred];
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}
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}
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}
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}
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if (n._def.category != "config") {
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node.x = n.x;
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node.y = n.y;
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node.z = n.z;
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node.wires = [];
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for(var i=0;i<n.outputs;i++) {
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node.wires.push([]);
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}
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var wires = links.filter(function(d){return d.source === n;});
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for (var j=0;j<wires.length;j++) {
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var w = wires[j];
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node.wires[w.sourcePort].push(w.target.id);
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}
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}
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return node;
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}
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/**
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* Converts the current node selection to an exportable JSON Object
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**/
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function createExportableNodeSet(set) {
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var nns = [];
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var exportedConfigNodes = {};
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for (var n=0;n<set.length;n++) {
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var node = set[n].n;
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var convertedNode = RED.nodes.convertNode(node);
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for (var d in node._def.defaults) {
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if (node._def.defaults[d].type && node[d] in configNodes) {
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var confNode = configNodes[node[d]];
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var exportable = registry.getNodeType(node._def.defaults[d].type).exportable;
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if ((exportable == null || exportable)) {
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if (!(node[d] in exportedConfigNodes)) {
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exportedConfigNodes[node[d]] = true;
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nns.unshift(RED.nodes.convertNode(confNode));
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}
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} else {
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convertedNode[d] = "";
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}
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}
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}
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nns.push(convertedNode);
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}
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return nns;
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}
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//TODO: rename this (createCompleteNodeSet)
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function createCompleteNodeSet() {
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var nns = [];
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var i;
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for (i in workspaces) {
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if (workspaces.hasOwnProperty(i)) {
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nns.push(workspaces[i]);
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}
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}
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for (i in configNodes) {
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if (configNodes.hasOwnProperty(i)) {
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nns.push(convertNode(configNodes[i], true));
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}
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}
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for (i=0;i<nodes.length;i++) {
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var node = nodes[i];
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nns.push(convertNode(node, true));
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}
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return nns;
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}
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function importNodes(newNodesObj,createNewIds) {
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try {
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var i;
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var n;
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var newNodes;
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if (typeof newNodesObj === "string") {
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if (newNodesObj === "") {
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return;
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}
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newNodes = JSON.parse(newNodesObj);
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} else {
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newNodes = newNodesObj;
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}
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if (!$.isArray(newNodes)) {
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newNodes = [newNodes];
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}
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var unknownTypes = [];
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for (i=0;i<newNodes.length;i++) {
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n = newNodes[i];
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// TODO: remove workspace in next release+1
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if (n.type != "workspace" && n.type != "tab" && !registry.getNodeType(n.type)) {
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// TODO: get this UI thing out of here! (see below as well)
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n.name = n.type;
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n.type = "unknown";
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if (unknownTypes.indexOf(n.name)==-1) {
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unknownTypes.push(n.name);
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}
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if (n.x == null && n.y == null) {
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// config node - remove it
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newNodes.splice(i,1);
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i--;
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}
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}
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}
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if (unknownTypes.length > 0) {
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var typeList = "<ul><li>"+unknownTypes.join("</li><li>")+"</li></ul>";
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var type = "type"+(unknownTypes.length > 1?"s":"");
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RED.notify("<strong>Imported unrecognised "+type+":</strong>"+typeList,"error",false,10000);
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//"DO NOT DEPLOY while in this state.<br/>Either, add missing types to Node-RED, restart and then reload page,<br/>or delete unknown "+n.name+", rewire as required, and then deploy.","error");
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}
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var new_workspaces = [];
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var workspace_map = {};
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for (i=0;i<newNodes.length;i++) {
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n = newNodes[i];
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// TODO: remove workspace in next release+1
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if (n.type === "workspace" || n.type === "tab") {
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if (n.type === "workspace") {
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n.type = "tab";
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}
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if (defaultWorkspace == null) {
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defaultWorkspace = n;
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}
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if (createNewIds) {
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var nid = getID();
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workspace_map[n.id] = nid;
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n.id = nid;
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}
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addWorkspace(n);
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RED.view.addWorkspace(n);
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new_workspaces.push(n);
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}
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}
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if (defaultWorkspace == null) {
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defaultWorkspace = { type:"tab", id:getID(), label:"Sheet 1" };
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addWorkspace(defaultWorkspace);
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RED.view.addWorkspace(defaultWorkspace);
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new_workspaces.push(defaultWorkspace);
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}
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var node_map = {};
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var new_nodes = [];
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var new_links = [];
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for (i=0;i<newNodes.length;i++) {
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n = newNodes[i];
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// TODO: remove workspace in next release+1
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if (n.type !== "workspace" && n.type !== "tab") {
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var def = registry.getNodeType(n.type);
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if (def && def.category == "config") {
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if (!RED.nodes.node(n.id)) {
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var configNode = {id:n.id,type:n.type,users:[]};
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for (var d in def.defaults) {
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if (def.defaults.hasOwnProperty(d)) {
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configNode[d] = n[d];
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}
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}
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configNode.label = def.label;
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configNode._def = def;
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RED.nodes.add(configNode);
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}
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} else {
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var node = {x:n.x,y:n.y,z:n.z,type:0,wires:n.wires,changed:false};
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if (createNewIds) {
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node.z = workspace_map[node.z];
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if (!workspaces[node.z]) {
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node.z = RED.view.getWorkspace();
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}
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node.id = getID();
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} else {
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node.id = n.id;
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if (node.z == null || !workspaces[node.z]) {
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node.z = RED.view.getWorkspace();
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}
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}
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node.type = n.type;
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node._def = def;
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if (!node._def) {
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node._def = {
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color:"#fee",
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defaults: {},
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label: "unknown: "+n.type,
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labelStyle: "node_label_italic",
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outputs: n.outputs||n.wires.length
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}
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}
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node.outputs = n.outputs||node._def.outputs;
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for (var d2 in node._def.defaults) {
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if (node._def.defaults.hasOwnProperty(d2)) {
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node[d2] = n[d2];
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}
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}
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addNode(node);
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RED.editor.validateNode(node);
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node_map[n.id] = node;
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new_nodes.push(node);
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}
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}
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}
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for (i=0;i<new_nodes.length;i++) {
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n = new_nodes[i];
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for (var w1=0;w1<n.wires.length;w1++) {
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var wires = (n.wires[w1] instanceof Array)?n.wires[w1]:[n.wires[w1]];
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for (var w2=0;w2<wires.length;w2++) {
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if (wires[w2] in node_map) {
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var link = {source:n,sourcePort:w1,target:node_map[wires[w2]]};
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addLink(link);
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new_links.push(link);
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}
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}
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}
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delete n.wires;
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}
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return [new_nodes,new_links,new_workspaces];
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} catch(error) {
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//TODO: get this UI thing out of here! (see above as well)
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RED.notify("<strong>Error</strong>: "+error,"error");
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return null;
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}
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}
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return {
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registry:registry,
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setNodeList: registry.setNodeList,
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getNodeSet: registry.getNodeSet,
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addNodeSet: registry.addNodeSet,
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removeNodeSet: registry.removeNodeSet,
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enableNodeSet: registry.enableNodeSet,
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disableNodeSet: registry.disableNodeSet,
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registerType: registry.registerNodeType,
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getType: registry.getNodeType,
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convertNode: convertNode,
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add: addNode,
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addLink: addLink,
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remove: removeNode,
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removeLink: removeLink,
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addWorkspace: addWorkspace,
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removeWorkspace: removeWorkspace,
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workspace: getWorkspace,
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eachNode: function(cb) {
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for (var n=0;n<nodes.length;n++) {
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cb(nodes[n]);
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}
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|
},
|
|
eachLink: function(cb) {
|
|
for (var l=0;l<links.length;l++) {
|
|
cb(links[l]);
|
|
}
|
|
},
|
|
eachConfig: function(cb) {
|
|
for (var id in configNodes) {
|
|
if (configNodes.hasOwnProperty(id)) {
|
|
cb(configNodes[id]);
|
|
}
|
|
}
|
|
},
|
|
node: getNode,
|
|
import: importNodes,
|
|
refreshValidation: refreshValidation,
|
|
getAllFlowNodes: getAllFlowNodes,
|
|
createExportableNodeSet: createExportableNodeSet,
|
|
createCompleteNodeSet: createCompleteNodeSet,
|
|
id: getID,
|
|
nodes: nodes, // TODO: exposed for d3 vis
|
|
links: links // TODO: exposed for d3 vis
|
|
};
|
|
})();
|