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node-red/public/red/main.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.
**/
var RED = function() {
$('#btn-keyboard-shortcuts').click(function(){showHelp();});
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function hideDropTarget() {
$("#dropTarget").hide();
RED.keyboard.remove(/* ESCAPE */ 27);
}
$('#chart').on("dragenter",function(event) {
if ($.inArray("text/plain",event.originalEvent.dataTransfer.types) != -1) {
$("#dropTarget").css({display:'table'});
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RED.keyboard.add(/* ESCAPE */ 27,hideDropTarget);
}
});
$('#dropTarget').on("dragover",function(event) {
if ($.inArray("text/plain",event.originalEvent.dataTransfer.types) != -1) {
event.preventDefault();
}
})
.on("dragleave",function(event) {
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hideDropTarget();
})
.on("drop",function(event) {
var data = event.originalEvent.dataTransfer.getData("text/plain");
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hideDropTarget();
RED.view.importNodes(data);
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event.preventDefault();
});
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function save(force) {
if (RED.view.dirty()) {
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if (!force) {
var invalid = false;
var unknownNodes = [];
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RED.nodes.eachNode(function(node) {
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invalid = invalid || !node.valid;
if (node.type === "unknown") {
if (unknownNodes.indexOf(node.name) == -1) {
unknownNodes.push(node.name);
}
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invalid = true;
}
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});
if (invalid) {
if (unknownNodes.length > 0) {
$( "#node-dialog-confirm-deploy-config" ).hide();
$( "#node-dialog-confirm-deploy-unknown" ).show();
var list = "<li>"+unknownNodes.join("</li><li>")+"</li>";
$( "#node-dialog-confirm-deploy-unknown-list" ).html(list);
} else {
$( "#node-dialog-confirm-deploy-config" ).show();
$( "#node-dialog-confirm-deploy-unknown" ).hide();
}
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$( "#node-dialog-confirm-deploy" ).dialog( "open" );
return;
}
}
var nns = RED.nodes.createCompleteNodeSet();
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$("#btn-icn-deploy").removeClass('icon-upload');
$("#btn-icn-deploy").addClass('spinner');
RED.view.dirty(false);
$.ajax({
url:"flows",
type: "POST",
data: JSON.stringify(nns),
contentType: "application/json; charset=utf-8"
}).done(function(data,textStatus,xhr) {
RED.notify("Successfully deployed","success");
RED.nodes.eachNode(function(node) {
if (node.changed) {
node.dirty = true;
node.changed = false;
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}
});
// Once deployed, cannot undo back to a clean state
RED.history.markAllDirty();
RED.view.redraw();
}).fail(function(xhr,textStatus,err) {
RED.view.dirty(true);
if (xhr.responseText) {
RED.notify("<strong>Error</strong>: "+xhr.responseText,"error");
} else {
RED.notify("<strong>Error</strong>: no response from server","error");
}
}).always(function() {
$("#btn-icn-deploy").removeClass('spinner');
$("#btn-icn-deploy").addClass('icon-upload');
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});
}
}
$('#btn-deploy').click(function() { save(); });
$( "#node-dialog-confirm-deploy" ).dialog({
title: "Confirm deploy",
modal: true,
autoOpen: false,
width: 530,
height: 230,
buttons: [
{
text: "Confirm deploy",
click: function() {
save(true);
$( this ).dialog( "close" );
}
},
{
text: "Cancel",
click: function() {
$( this ).dialog( "close" );
}
}
]
});
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function loadSettings() {
$.get('settings', function(data) {
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RED.settings = data;
loadNodes();
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});
}
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function loadNodes() {
$.get('nodes', function(data) {
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$("body").append(data);
$(".palette-spinner").hide();
$(".palette-scroll").show();
$("#palette-search").show();
loadFlows();
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});
}
function loadFlows() {
$.getJSON("flows",function(nodes) {
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RED.nodes.import(nodes);
RED.view.dirty(false);
RED.view.redraw();
RED.comms.subscribe("status/#",function(topic,msg) {
var parts = topic.split("/");
var node = RED.nodes.node(parts[1]);
if (node) {
node.status = msg;
node.dirty = true;
RED.view.redraw();
}
});
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});
}
function showHelp() {
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var dialog = $('#node-help');
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//$("#node-help").draggable({
// handle: ".modal-header"
//});
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dialog.on('show',function() {
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RED.keyboard.disable();
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});
dialog.on('hidden',function() {
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RED.keyboard.enable();
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});
dialog.modal();
}
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$(function() {
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RED.keyboard.add(/* ? */ 191,{shift:true},function(){showHelp();d3.event.preventDefault();});
loadSettings();
RED.comms.connect();
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});
return {
};
}();