Adding pause node to allow for arbitrary pauses to be added to flows

nodes/contrib/99-pause.html

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+<!--
+  Copyright 2013 IBM Corp.
+
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+  http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+-->
+
+<!-- First, the content of the edit dialog is defined.                       -->
+<script type="text/x-red" data-template-name="pause">
+    <div class="form-row">
+        <label for="node-input-topic"><i class="icon-tasks"></i> Pause</label>
+        <input type="text" id="node-input-timeout" placeholder="Time">
+    </div>
+    
+    <div class="form-row">
+        <label for="node-input-name"><i class="icon-tag"></i> Name</label>
+        <input type="text" id="node-input-name" placeholder="Name">
+    </div>
+</script>
+
+<!-- Next, some simple help text is provided for the node.                   -->
+<script type="text/x-red" data-help-name="pause">
+    <p>Introduces a pause into a flow</p>
+    <p>Default pause is 5 seconds but can be configured</p>
+</script>
+
+<!-- Finally, the node type is registered along with all of its properties   -->
+<script type="text/javascript">
+    RED.nodes.registerType('pause',{
+        category: 'function',      // the palette category
+        color:"#E6E0F8",
+        defaults: {             // defines the editable properties of the node
+            name: {value:""},   //  along with default values.
+            timeout: {value:"5", required:true}
+        },
+        inputs:1,                // set the number of inputs - only 0 or 1
+        outputs:1,               // set the number of outputs - 0 to n
+        icon: "arrow-in.png",    // set the icon (held in public/icons)
+        label: function() {      // sets the default label contents
+            return this.name||this.topic||"pause";
+        },
+        labelStyle: function() { // sets the class to apply to the label
+            return this.name?"node_label_italic":"";
+        }
+    });
+</script>

nodes/contrib/99-pause.js

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+/**
+ * Copyright 2013 IBM Corp.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ **/
+ 
+// Simple node to introduce a pause into a flow
+
+// Require main module
+var RED = require("../red/red");
+
+// main node definition
+function PauseNode(n) {
+   RED.nodes.createNode(this,n);
+   
+   this.timeout = n.timeout * 1000;
+   this.name = n.name
+   
+   this.on("input", function(msg) {
+       var node= this;
+       setTimeout(function(){node.send(msg);}, node.timeout);
+   });
+}
+
+// register node
+RED.nodes.registerType("pause",PauseNode);
+