iot-backend/software/flow/node_modules/node-red-dashboard/nodes/ui_switch.js

155 lines
6.3 KiB
JavaScript

module.exports = function(RED) {
var ui = require('../ui')(RED);
function validateSwitchValue(node,property,type,payload) {
if (payloadType === 'flow' || payloadType === 'global') {
try {
var parts = RED.util.normalisePropertyExpression(payload);
if (parts.length === '') {
throw new Error();
}
} catch(err) {
node.warn("Invalid payload property expression - defaulting to node id")
payload = node.id;
payloadType = 'str';
}
}
else {
payload = payload || node.id;
}
}
function SwitchNode(config) {
RED.nodes.createNode(this, config);
this.pt = config.passthru;
this.state = ["off"," "];
this.decouple = (config.decouple === "true") ? false : true;
var node = this;
node.status({});
var group = RED.nodes.getNode(config.group);
if (!group) { return; }
var tab = RED.nodes.getNode(group.config.tab);
if (!tab) { return; }
var parts;
var onvalue = config.onvalue;
var onvalueType = config.onvalueType;
if (onvalueType === 'flow' || onvalueType === 'global') {
try {
parts = RED.util.normalisePropertyExpression(onvalue);
if (parts.length === 0) {
throw new Error();
}
} catch(err) {
node.warn("Invalid onvalue property expression - defaulting to true")
onvalue = true;
onvalueType = 'bool';
}
}
var offvalue = config.offvalue;
var offvalueType = config.offvalueType;
if (offvalueType === 'flow' || offvalueType === 'global') {
try {
parts = RED.util.normalisePropertyExpression(offvalue);
if (parts.length === 0) {
throw new Error();
}
} catch(err) {
node.warn("Invalid offvalue property expression - defaulting to false")
offvalue = false;
offvalueType = 'bool';
}
}
node.on("input", function(msg) {
node.topi = msg.topic;
});
var done = ui.add({
node: node,
tab: tab,
group: group,
emitOnlyNewValues: false,
forwardInputMessages: config.passthru,
storeFrontEndInputAsState: (config.decouple === "true") ? false : true, //config.passthru,
state: false,
control: {
type: 'switch' + (config.style ? '-' + config.style : ''),
label: config.label,
tooltip: config.tooltip,
order: config.order,
value: false,
onicon: config.onicon,
officon: config.officon,
oncolor: config.oncolor,
offcolor: config.offcolor,
animate: config.animate?"flip-icon":"",
width: config.width || group.config.width || 6,
height: config.height || 1,
className: config.className || '',
},
convert: function (payload, oldval, msg) {
var myOnValue,myOffValue;
if (onvalueType === "date") { myOnValue = Date.now(); }
else { myOnValue = RED.util.evaluateNodeProperty(onvalue,onvalueType,node); }
if (offvalueType === "date") { myOffValue = Date.now(); }
else { myOffValue = RED.util.evaluateNodeProperty(offvalue,offvalueType,node); }
if (!this.forwardInputMessages && this.storeFrontEndInputAsState) {
if (myOnValue === oldval) { return true; }
if (oldval === true) { return true; }
else { return false; }
}
if (RED.util.compareObjects(myOnValue,msg.payload)) { node.state[0] = "on"; return true; }
else if (RED.util.compareObjects(myOffValue,msg.payload)) { node.state[0] = "off"; return false; }
else { return oldval; }
},
convertBack: function (value) {
node.state[1] = value?"on":"off";
if (node.pt) {
node.status({fill:(value?"green":"red"),shape:(value?"dot":"ring"),text:value?"on":"off"});
}
else {
var col = (node.decouple) ? ((node.state[1]=="on")?"green":"red") : ((node.state[0]=="on")?"green":"red");
var shp = (node.decouple) ? ((node.state[1]=="on")?"dot":"ring") : ((node.state[0]=="on")?"dot":"ring");
var txt = (node.decouple) ? (node.state[0] +" | "+node.state[1].toUpperCase()) : (node.state[0].toUpperCase() +" | "+node.state[1])
node.status({fill:col, shape:shp, text:txt});
}
var payload = value ? onvalue : offvalue;
var payloadType = value ? onvalueType : offvalueType;
if (payloadType === "date") { value = Date.now(); }
else {
try {
value = RED.util.evaluateNodeProperty(payload,payloadType,node);
}
catch(e) {
if (payloadType === "bin") { node.error("Badly formatted buffer"); }
else { node.error(e,payload); }
}
}
return value;
},
beforeSend: function (msg) {
var t = RED.util.evaluateNodeProperty(config.topic,config.topicType || "str",node,msg) || node.topi;
if (t !== undefined) { msg.topic = t; }
}
});
if (!node.pt) {
node.on("input", function() {
var col = (node.state[0]=="on") ? "green" : "red";
var shp = (node.state[0]=="on") ? "dot" : "ring";
var txt = (node.decouple) ? (node.state[0] +" | "+node.state[1].toUpperCase()) : (node.state[0].toUpperCase() +" | "+node.state[1])
node.status({fill:col, shape:shp, text:txt});
});
}
node.on("close", done);
}
RED.nodes.registerType("ui_switch", SwitchNode);
};