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

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2023-02-22 17:26:41 +01:00
module.exports = function(RED) {
var ui = require('../ui')(RED);
function TemplateNode(config) {
RED.nodes.createNode(this, config);
var node = this;
var group = RED.nodes.getNode(config.group);
if (!group && config.templateScope !== 'global') { return; }
var tab = null;
if (config.templateScope !== 'global') {
tab = RED.nodes.getNode(group.config.tab);
if (!tab) { return; }
if (!config.width) {
config.width = group.config.width;
}
}
var hei = Number(config.height|| 0);
var previousTemplate = null
var theme = ui.getTheme();
var colortheme = {};
for (var i in theme) {
if (theme.hasOwnProperty(i)) {
colortheme[i.replace(/-/g, "_")] = theme[i].value;
}
}
var done = ui.add({
forwardInputMessages: config.fwdInMessages,
storeFrontEndInputAsState: config.storeOutMessages,
persistantFrontEndValue: config.resendOnRefresh,
emitOnlyNewValues: false,
node: node,
tab: tab,
group: group,
control: {
type: 'template',
order: config.order,
width: config.width || 6,
height: hei,
format: config.format,
templateScope: config.templateScope,
theme: colortheme,
className: config.className || '',
},
beforeEmit: function(msg) {
var properties = Object.getOwnPropertyNames(msg).filter(function (p) { return p[0] != '_'; });
var clonedMsg = {
templateScope: config.templateScope
};
for (var i=0; i<properties.length; i++) {
var property = properties[i];
clonedMsg[property] = msg[property];
}
// transform to string if msg.template is buffer
if (clonedMsg.template !== undefined && Buffer.isBuffer(clonedMsg.template)) {
clonedMsg.template = clonedMsg.template.toString();
}
if (clonedMsg.template === undefined && previousTemplate !== null) {
clonedMsg.template = previousTemplate;
}
//This updates the whole page if the template input changes and
//height set to auto - performance killer, but here just in case
// if ((config.height == "0") && (value !== node.oldvalue)) {
// node.oldvalue = value;
// setImmediate(function() { ui.updateUi(); });
// }
if (clonedMsg.template) {
previousTemplate = clonedMsg.template
}
return { msg:clonedMsg };
},
beforeSend: function (msg, original) {
if (original && original.hasOwnProperty("msg") && original.msg !== null) {
var om = original.msg;
om.socketid = original.socketid;
return om;
}
}
});
node.on("close", done);
}
RED.nodes.registerType("ui_template", TemplateNode);
RED.library.register("uitemplates");
};