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<!DOCTYPE html>
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Copyright 2016 IBM Corp.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
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distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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limitations under the License.
-->
< script type = "text/x-red" data-template-name = "split" >
< div class = "form-row" >
< label for = "node-input-splt" > < i class = "fa fa-scissors" > < / i > Split< / label >
< input type = "text" id = "node-input-splt" placeholder = "character to split strings on : e.g. \n" >
< / div >
< div class = "form-row" >
< label for = "node-input-name" > < i class = "fa fa-tag" > < / i > Name< / label >
< input type = "text" id = "node-input-name" placeholder = "Name" >
< / div >
< / script >
< script type = "text/x-red" data-help-name = "split" >
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< p > A function that splits < code > msg.payload< / code > into multiple messages.< / p >
< p > The behaviour is determined by the type of < code > msg.payload< / code > :< / p >
< ul >
< li > < b > string< / b > - a message is sent for each part of the string after it is split using the specified character, by default a newline (< code > \n< / code > ).
< li > < b > array< / b > - a message is sent for each element of the array< / li >
< li > < b > object< / b > - a message is sent for each key/value pair of the object. < code > msg.parts.key< / code > is set to the key of the property.< / li >
< / ul >
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< p > Each message is sent with the < code > msg.parts< / code > property set. This is
an object that provides any subsequent < i > join< / i > node the necessary information
for it to reassemble the messages back into a single one. The object has the following
properties:< / p >
< ul >
< li > < b > id< / b > - an identifier for the group of messages< / li >
< li > < b > index< / b > - the position within the group< / li >
< li > < b > count< / b > - the total number of messages in the group< / li >
< li > < b > type< / b > - the type of message - string/array/object< / li >
< li > < b > ch< / b > - for a string, the character used to split< / li >
< li > < b > key< / b > - for an object, the key of the property this message was created from< / li >
< / ul >
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< / script >
< script type = "text/javascript" >
RED.nodes.registerType('split',{
category: 'function',
color:"#E2D96E",
defaults: {
name: {value:""},
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splt: {value:"\\n"}
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},
inputs:1,
outputs:1,
icon: "switch.png",
align: "right",
label: function() {
return this.name||"split";
},
labelStyle: function() {
return this.name?"node_label_italic":"";
}
});
< / script >
< script type = "text/x-red" data-template-name = "join" >
< div class = "form-row" >
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< label > Mode< / label >
< select id = "node-input-mode" style = "width:200px;" >
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< option value = "auto" > automatic< / option >
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< option value = "custom" > manual< / option >
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< / select >
< / div >
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< div class = "node-row-custom" >
< div class = "form-row node-row-property" >
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< label > Combine each < / label >
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< input type = "text" id = "node-input-property" style = "width:300px;" >
< input type = "hidden" id = "node-input-propertyType" >
< / div >
< div class = "form-row" >
< label > to create < / label >
< select id = "node-input-build" style = "width:200px;" >
< option id = "node-input-build-string" value = "string" > a String< / option >
< option value = "array" > an Array< / option >
< option value = "object" > an Object< / option >
< / select >
< / div >
< div class = "form-row node-row-key" >
< label style = "vertical-align: top; margin-top: 7px;" > using< / label >
< div style = "display:inline-block" >
< input type = "text" id = "node-input-key" style = "width:300px;" >
< div style = "margin-top: 7px;" > as the property key< / div >
< / div >
< / div >
< div class = "form-row node-row-joiner" >
< label for = "node-input-joiner" > joined using< / label >
< input type = "text" id = "node-input-joiner" style = "width: 40px" >
< / div >
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< div class = "form-row node-row-trigger" >
< label style = "width: auto;" > Send the message:< / label >
< ul >
< li style = "height: 40px;" >
< label style = "width: 280px;" for = "node-input-count" > After a fixed number of messages:< / label > < input id = "node-input-count" placeholder = "count" type = "text" style = "width: 75px;" >
< / li >
< li style = "height: 40px;" >
< label style = "width: 280px;" for = "node-input-timeout" > After a timeout following the first message:< / label > < input id = "node-input-timeout" placeholder = "seconds" type = "text" style = "width: 75px;" >
< / li >
< li style = "height: 40px;" >
< label style = "width: auto; padding-top: 6px;" > After a message with the < code > msg.complete< / code > property set< / label >
< / li >
< / ul >
< / div >
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< / div >
< div class = "form-tips form-tips-auto hide" > This mode assumes this node is either
paired with a < i > split< / i > node or the received messages will have a properly
configured < code > msg.parts< / code > property.< / div >
< / script >
< script type = "text/x-red" data-help-name = "join" >
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< p > A function that joins the a sequence of messages into a single message.< / p >
< p > When paired with the < b > split< / b > node, it will automatically join the messages
to reverse the split that was performed.< / p >
< p > It can be used without the split node by configuring the required behaviour.< / p >
< p > The type of the resulting message property can be a string, array or object. All of the other message
properties are taken from the last message received before the message is sent.< / p >
< p > A < i > count< / i > can be set for how many messages should be received before generating the output message< / p >
< p > A < i > timeout< / i > can be set to trigger sending the new message using whatever has been received so far.< / p >
< p > If the node is set to construct a string, a < i > join character< / i > can be set.< / p >
< p > If the node is set to construct an object, the key used to store each received property can be taken from
an identified message property.< / p >
< p > The automatic behaviour relies on the received messages to have < b > msg.parts< / b > set.
The object has the following properties:< / p >
< ul >
< li > < b > id< / b > - an identifier for the group of messages< / li >
< li > < b > index< / b > - the position within the group< / li >
< li > < b > count< / b > - the total number of messages in the group< / li >
< li > < b > type< / b > - the type of message - string/array/object< / li >
< li > < b > ch< / b > - for a string, the character used to split< / li >
< li > < b > key< / b > - for an object, the key of the property this message was created from< / li >
< / ul >
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< / script >
< script type = "text/javascript" >
RED.nodes.registerType('join',{
category: 'function',
color:"#E2D96E",
defaults: {
name: {value:""},
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mode: {value:"auto"},
build: { value:"string"},
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property: { value: "payload"},
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propertyType: { value:"msg"},
key: {value:"topic"},
joiner: { value:"\\n"},
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timeout: {value:""},
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count: {value:""}
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},
inputs:1,
outputs:1,
icon: "join.png",
label: function() {
return this.name||"join";
},
labelStyle: function() {
return this.name?"node_label_italic":"";
},
oneditprepare: function() {
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$("#node-input-mode").change(function(e) {
var val = $(this).val();
$(".node-row-custom").toggle(val==='custom');
$(".form-tips-auto").toggle(val==='auto');
});
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$("#node-input-build").change(function(e) {
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var val = $(this).val();
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$(".node-row-key").toggle(val==='object');
$(".node-row-joiner").toggle(val==='string');
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$(".node-row-trigger").toggle(val!=='auto');
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if (val === 'string') {
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$("#node-input-property").typedInput('types',['msg']);
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} else {
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$("#node-input-property").typedInput('types',['msg', {value:"full",label:"complete message",hasValue:false}]);
}
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})
$("#node-input-property").typedInput({
typeField: $("#node-input-propertyType"),
types:['msg', {value:"full",label:"complete message",hasValue:false}]
})
$("#node-input-key").typedInput({
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types:['msg', {value:"merge",label:"",hasValue: false}]
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})
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$("#node-input-build").change();
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$("#node-input-mode").change();
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}
});
< / script >
