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node-red/nodes/core/logic/19-batch.html

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<!--
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you may not use this file except in compliance with the License.
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<script type="text/x-red" data-template-name="batch">
<div class="form-row">
<label for="node-input-mode"><span data-i18n="batch.mode.label"></span></label>
<select type="text" id="node-input-mode" style="width: 300px;">
<option value="count" data-i18n="batch.mode.num-msgs"></option>
<option value="interval" data-i18n="batch.mode.interval"></option>
<option value="concat" data-i18n="batch.mode.concat"></option>
</select>
</div>
<div class="node-row-msg-count">
<div class="form-row node-row-count">
<label style="margin-left: 10px; width: 175px;" for="node-input-count" data-i18n="batch.count.label"></label>
<input type="text" id="node-input-count" style="width: 50px;">
</div>
</div>
<div class="node-row-msg-overlap">
<div class="form-row node-row-overlap">
<label style="margin-left: 10px; width: 175px;" for="node-input-overlap" data-i18n="batch.count.overlap"></label>
<input type="text" id="node-input-overlap" style="width: 50px;">
</div>
</div>
<div class="node-row-msg-interval">
<div class="form-row node-row-interval">
<label style="margin-left: 10px; width: 175px;" for="node-input-interval"> <span data-i18n="batch.interval.label"></span></label>
<input type="text" id="node-input-interval" style="width: 50px;">
<span data-i18n="batch.interval.seconds"></span>
</div>
<div class="form-row">
<input type="checkbox" id="node-input-allowEmptySequence" style="margin-left:20px; margin-right: 10px; vertical-align:top; width:auto;">
<label for="node-input-allowEmptySequence" style="width:auto;" data-i18n="batch.interval.empty"></label>
</div>
</div>
<div class="node-row-msg-concat">
<div class="form-row">
<label data-i18n="batch.concat.topics-label"></label>
<div class="form-row node-input-topics-container-row">
<ol id="node-input-topics-container"></ol>
</div>
</div>
</div>
<div class="form-row">
<label for="node-input-name"><i class="fa fa-tag"></i> <span data-i18n="node-red:common.label.name"></span></label>
<input type="text" id="node-input-name" data-i18n="[placeholder]node-red:common.label.name">
</div>
</script>
<script type="text/x-red" data-help-name="batch">
<p>Creates sequences of messages based on various rules.</p>
<h3>Details</h3>
<p>There are three modes for creating message sequences:</p>
<dl>
<dt>Number of messages</dt>
<dd>groups messages into sequences of a given length. The <b>overlap</b>
2018-01-29 12:21:43 +01:00
option specifies how many messages at the end of one sequence should be
repeated at the start of the next sequence.</dd>
<dt>Time interval</dt>
<dd>groups messages that arrive within the specified interval. If no messages
arrive within the interval, the node can optionally send on an empty message.</dd>
<dt>Concatenate Sequences</dt>
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<dd>creates a message sequence by concatenating incoming sequences. Each message
must have a <code>msg.topic</code> property and a <code>msg.parts</code> property
identifying its sequence. The node is configured with a list of <code>topic</code>
values to identify the order sequences are concatenated.
</dd>
</dl>
<h4>Storing messages</h4>
<p>This node will buffer messages internally in order to work across sequences. The
runtime setting <code>nodeMessageBufferMaxLength</code> can be used to limit how many messages nodes
will buffer.</p>
</script>
<script type="text/javascript">
RED.nodes.registerType("batch",{
category: "function",
color:"#E2D96E",
defaults: {
name: {value:""},
mode: {value:"count"},
count: {value:10,validate:function(v) { return RED.validators.number(v) && (v >= 1); }},
overlap: {value:0,validate:function(v) { return RED.validators.number(v) && (v >= 0); }},
interval: {value:10,validate:function(v) { return RED.validators.number(v) && (v >= 1); }},
allowEmptySequence: {value:false},
topics: {value:[{topic:""}]}
},
inputs:1,
outputs:1,
icon: "batch.png",
label: function() {
return this.name||this._("batch.batch");;
},
labelStyle: function() {
return this.name ? "node_label_italic" : "";
},
oneditprepare: function() {
var node = this;
var topic_str = node._("batch.concat.topic");
function resizeTopics(topic) {
var newWidth = topic.width();
topic.find('.red-ui-typedInput')
.typedInput("width",newWidth-15);
}
$("#node-input-topics-container")
.css('min-height','200px').css('min-width','430px')
.editableList({
addItem: function(container, i, opt) {
if (!opt.hasOwnProperty('topic')) {
opt.topic = "";
}
var row = $('<div/>').appendTo(container);
var valueField = $('<input/>',{
class:"node-input-topic-value",
type:"text",
style:"margin-left: 5px;"
}).appendTo(row)
.typedInput({default:'str', types:['str']});
valueField.typedInput('value', opt.topic);
valueField.typedInput('type', 'str');
valueField.attr('placeholder', topic_str);
resizeTopics(container);
},
resizeItem: resizeTopics,
sortable: true,
removable: true
});
$("#node-input-count").spinner({min:1});
$("#node-input-overlap").spinner({min:0});
$("#node-input-interval").spinner({min:1});
$("#node-input-mode").change(function(e) {
var val = $(this).val();
$(".node-row-msg-count").toggle(val==="count");
$(".node-row-msg-overlap").toggle(val==="count");
$(".node-row-msg-interval").toggle(val==="interval");
$(".node-row-msg-concat").toggle(val==="concat");
if (val==="concat") {
var topics = node.topics;
var container = $("#node-input-topics-container");
container.editableList('empty');
for (var i = 0; i < topics.length; i++) {
var topic = topics[i];
container.editableList('addItem', topic);
}
}
});
},
oneditsave: function() {
var topics = $("#node-input-topics-container").editableList('items');
var node = this;
node.topics = [];
topics.each(function(i) {
var topicData = $(this).data('data');
var topic = $(this);
var vf = topic.find(".node-input-topic-value");
var value = vf.typedInput('value');
var type = vf.typedInput('type');
var r = {topic:value};
node.topics.push(r);
});
},
oneditresize: function(size) {
var rows = $("#dialog-form>div:not(.node-input-topics-container-row)");
var height = size.height;
for (var i = 0; i < rows.size(); i++) {
height -= $(rows[i]).outerHeight(true);
}
var editorRow = $("#dialog-form>div.node-input-topics-container-row");
height -= (parseInt(editorRow.css("marginTop"))+parseInt(editorRow.css("marginBottom")));
$("#node-input-topics-container").editableList('height',height);
}
});
</script>