Initial commit

node_modules/node-red-dashboard/nodes/ui_button.js

@@ -0,0 +1,91 @@
+module.exports = function(RED) {
+    var ui = require('../ui')(RED);
+
+    function ButtonNode(config) {
+        RED.nodes.createNode(this, config);
+        var node = this;
+
+        var group = RED.nodes.getNode(config.group);
+        if (!group) { return; }
+        var tab = RED.nodes.getNode(group.config.tab);
+        if (!tab) { return; }
+
+        var payloadType = config.payloadType;
+        var payload = config.payload;
+
+        if (payloadType === 'flow' || payloadType === 'global') {
+            try {
+                var parts = RED.util.normalisePropertyExpression(payload);
+                if (parts.length === 0) {
+                    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;
+        }
+
+        node.on("input", function(msg) {
+            try {
+                node.topi = RED.util.evaluateNodeProperty(config.topic,config.topicType || "str",node,msg);
+            }
+            catch(e) { }
+        });
+
+        var done = ui.add({
+            node: node,
+            tab: tab,
+            group: group,
+            emitOnlyNewValues: false,
+            forwardInputMessages: config.passthru || false,
+            storeFrontEndInputAsState: false,
+            control: {
+                type: 'button',
+                label: config.label,
+                tooltip: config.tooltip,
+                color: config.color,
+                bgcolor: config.bgcolor,
+                className: config.className,
+                icon: config.icon,
+                order: config.order,
+                value: payload,
+                format: config.bgcolor,
+                width: config.width || group.config.width || 3,
+                height: config.height || 1
+            },
+            beforeSend: function (msg,m2) {
+                var t = undefined;
+                try {
+                    t = RED.util.evaluateNodeProperty(config.topic,config.topicType || "str",node,msg)
+                }
+                catch(e) { }
+                if (typeof t === "undefined") { t = node.topi; }
+                if (t !== undefined) { msg.topic = t; }
+                if (((config.topicType || "str") === "str") && t == "") { delete msg.topic; }
+                if (m2 !== undefined) { msg.event = m2.event; }
+            },
+            convertBack: function (value) {
+                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;
+            }
+        });
+        node.on("close", done);
+    }
+    RED.nodes.registerType("ui_button", ButtonNode);
+};