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