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node-red/public/red/ui/editor.js

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/**
* Copyright 2013, 2014 IBM Corp.
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*
* 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.
**/
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RED.editor = (function() {
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var editing_node = null;
// TODO: should IMPORT/EXPORT get their own dialogs?
function getCredentialsURL(nodeType, nodeID) {
var dashedType = nodeType.replace(/\s+/g, '-');
return 'credentials/' + dashedType + "/" + nodeID;
}
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/**
* Validate a node
* @param node - the node being validated
* @returns {boolean} whether the node is valid. Sets node.dirty if needed
*/
function validateNode(node) {
var oldValue = node.valid;
node.valid = validateNodeProperties(node, node._def.defaults, node);
if (node._def._creds) {
node.valid = node.valid && validateNodeProperties(node, node._def.credentials, node._def._creds);
}
if (oldValue != node.valid) {
node.dirty = true;
}
}
/**
* Validate a node's properties for the given set of property definitions
* @param node - the node being validated
* @param definition - the node property definitions (either def.defaults or def.creds)
* @param properties - the node property values to validate
* @returns {boolean} whether the node's properties are valid
*/
function validateNodeProperties(node, definition, properties) {
var isValid = true;
for (var prop in definition) {
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if (definition.hasOwnProperty(prop)) {
if (!validateNodeProperty(node, definition, prop, properties[prop])) {
isValid = false;
}
}
}
return isValid;
}
/**
* Validate a individual node property
* @param node - the node being validated
* @param definition - the node property definitions (either def.defaults or def.creds)
* @param property - the property name being validated
* @param value - the property value being validated
* @returns {boolean} whether the node proprty is valid
*/
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function validateNodeProperty(node,definition,property,value) {
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var valid = true;
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if ("required" in definition[property] && definition[property].required) {
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valid = value !== "";
}
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if (valid && "validate" in definition[property]) {
valid = definition[property].validate.call(node,value);
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}
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if (valid && definition[property].type && RED.nodes.getType(definition[property].type) && !("validate" in definition[property])) {
if (!value || value == "_ADD_") {
valid = false;
} else {
var v = RED.nodes.node(value).valid;
valid = (v==null || v);
}
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}
return valid;
}
/**
* Called when the node's properties have changed.
* Marks the node as dirty and needing a size check.
* Removes any links to non-existant outputs.
* @param node - the node that has been updated
* @returns {array} the links that were removed due to this update
*/
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function updateNodeProperties(node) {
node.resize = true;
node.dirty = true;
var removedLinks = [];
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if (node.ports) {
if (node.outputs < node.ports.length) {
while (node.outputs < node.ports.length) {
node.ports.pop();
}
RED.nodes.eachLink(function(l) {
if (l.source === node && l.sourcePort >= node.outputs) {
removedLinks.push(l);
}
});
} else if (node.outputs > node.ports.length) {
while (node.outputs > node.ports.length) {
node.ports.push(node.ports.length);
}
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}
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}
if (node.inputs === 0) {
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RED.nodes.eachLink(function(l) {
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if (l.target === node) {
removedLinks.push(l);
}
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});
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}
for (var l=0;l<removedLinks.length;l++) {
RED.nodes.removeLink(removedLinks[l]);
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}
return removedLinks;
}
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$( "#dialog" ).dialog({
modal: true,
autoOpen: false,
closeOnEscape: false,
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width: 500,
buttons: [
{
id: "node-dialog-ok",
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text: "Ok",
click: function() {
if (editing_node) {
var changes = {};
var changed = false;
var wasDirty = RED.view.dirty();
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var d;
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if (editing_node._def.oneditsave) {
var oldValues = {};
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for (d in editing_node._def.defaults) {
if (editing_node._def.defaults.hasOwnProperty(d)) {
if (typeof editing_node[d] === "string" || typeof editing_node[d] === "number") {
oldValues[d] = editing_node[d];
} else {
oldValues[d] = $.extend(true,{},{v:editing_node[d]}).v;
}
}
}
var rc = editing_node._def.oneditsave.call(editing_node);
if (rc === true) {
changed = true;
}
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for (d in editing_node._def.defaults) {
if (editing_node._def.defaults.hasOwnProperty(d)) {
if (oldValues[d] === null || typeof oldValues[d] === "string" || typeof oldValues[d] === "number") {
if (oldValues[d] !== editing_node[d]) {
changes[d] = oldValues[d];
changed = true;
}
} else {
if (JSON.stringify(oldValues[d]) !== JSON.stringify(editing_node[d])) {
changes[d] = oldValues[d];
changed = true;
}
}
}
}
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}
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if (editing_node._def.defaults) {
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for (d in editing_node._def.defaults) {
if (editing_node._def.defaults.hasOwnProperty(d)) {
var input = $("#node-input-"+d);
var newValue;
if (input.attr('type') === "checkbox") {
newValue = input.prop('checked');
} else {
newValue = input.val();
}
if (newValue != null) {
if (editing_node[d] != newValue) {
if (editing_node._def.defaults[d].type) {
if (newValue == "_ADD_") {
newValue = "";
}
// Change to a related config node
var configNode = RED.nodes.node(editing_node[d]);
if (configNode) {
var users = configNode.users;
users.splice(users.indexOf(editing_node),1);
}
configNode = RED.nodes.node(newValue);
if (configNode) {
configNode.users.push(editing_node);
}
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}
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changes[d] = editing_node[d];
editing_node[d] = newValue;
changed = true;
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}
}
}
}
}
if (editing_node._def.credentials) {
var prefix = 'node-input';
var credDefinition = editing_node._def.credentials;
var credsChanged = updateNodeCredentials(editing_node,credDefinition,prefix);
changed = changed || credsChanged;
}
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var removedLinks = updateNodeProperties(editing_node);
if (changed) {
var wasChanged = editing_node.changed;
editing_node.changed = true;
RED.view.dirty(true);
RED.history.push({t:'edit',node:editing_node,changes:changes,links:removedLinks,dirty:wasDirty,changed:wasChanged});
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}
editing_node.dirty = true;
validateNode(editing_node);
RED.view.redraw();
} else if (RED.view.state() == RED.state.EXPORT) {
if (/library/.test($( "#dialog" ).dialog("option","title"))) {
//TODO: move this to RED.library
var flowName = $("#node-input-filename").val();
if (!/^\s*$/.test(flowName)) {
$.ajax({
url:'library/flows/'+flowName,
type: "POST",
data: $("#node-input-filename").attr('nodes'),
contentType: "application/json; charset=utf-8"
}).done(function() {
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RED.library.loadFlowLibrary();
RED.notify("Saved nodes","success");
});
}
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}
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} else if (RED.view.state() == RED.state.IMPORT) {
RED.view.importNodes($("#node-input-import").val());
}
$( this ).dialog( "close" );
}
},
{
id: "node-dialog-cancel",
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text: "Cancel",
click: function() {
$( this ).dialog( "close" );
}
}
],
resize: function(e,ui) {
if (editing_node) {
$(this).dialog('option',"sizeCache-"+editing_node.type,ui.size);
}
},
open: function(e) {
RED.keyboard.disable();
if (editing_node) {
var size = $(this).dialog('option','sizeCache-'+editing_node.type);
if (size) {
$(this).dialog('option','width',size.width);
$(this).dialog('option','height',size.height);
}
}
},
close: function(e) {
RED.keyboard.enable();
if (RED.view.state() != RED.state.IMPORT_DRAGGING) {
RED.view.state(RED.state.DEFAULT);
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}
$( this ).dialog('option','height','auto');
$( this ).dialog('option','width','500');
if (editing_node) {
RED.sidebar.info.refresh(editing_node);
}
RED.sidebar.config.refresh();
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var buttons = $( this ).dialog("option","buttons");
if (buttons.length == 3) {
$( this ).dialog("option","buttons",buttons.splice(1));
}
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editing_node = null;
}
});
/**
* Create a config-node select box for this property
* @param node - the node being edited
* @param property - the name of the field
* @param type - the type of the config-node
*/
function prepareConfigNodeSelect(node,property,type) {
var input = $("#node-input-"+property);
var node_def = RED.nodes.getType(type);
input.replaceWith('<select style="width: 60%;" id="node-input-'+property+'"></select>');
updateConfigNodeSelect(property,type,node[property]);
var select = $("#node-input-"+property);
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select.after(' <a id="node-input-lookup-'+property+'" class="btn"><i class="fa fa-pencil"></i></a>');
$('#node-input-lookup-'+property).click(function(e) {
showEditConfigNodeDialog(property,type,select.find(":selected").val());
e.preventDefault();
});
var label = "";
var configNode = RED.nodes.node(node[property]);
if (configNode && node_def.label) {
if (typeof node_def.label == "function") {
label = node_def.label.call(configNode);
} else {
label = node_def.label;
}
}
input.val(label);
}
/**
* Populate the editor dialog input field for this property
* @param node - the node being edited
* @param property - the name of the field
* @param prefix - the prefix to use in the input element ids (node-input|node-config-input)
*/
function preparePropertyEditor(node,property,prefix) {
var input = $("#"+prefix+"-"+property);
if (input.attr('type') === "checkbox") {
input.prop('checked',node[property]);
} else {
var val = node[property];
if (val == null) {
val = "";
}
input.val(val);
}
}
/**
* Add an on-change handler to revalidate a node field
* @param node - the node being edited
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* @param definition - the definition of the node
* @param property - the name of the field
* @param prefix - the prefix to use in the input element ids (node-input|node-config-input)
*/
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function attachPropertyChangeHandler(node,definition,property,prefix) {
$("#"+prefix+"-"+property).change(function() {
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if (!validateNodeProperty(node, definition, property,this.value)) {
$(this).addClass("input-error");
} else {
$(this).removeClass("input-error");
}
});
}
/**
* Assign the value to each credential field
* @param node
* @param credDef
* @param credData
* @param prefix
*/
function populateCredentialsInputs(node, credDef, credData, prefix) {
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var cred;
for (cred in credDef) {
if (credDef.hasOwnProperty(cred)) {
if (credDef[cred].type == 'password') {
if (credData[cred]) {
$('#' + prefix + '-' + cred).val(credData[cred]);
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} else if (credData['has_' + cred]) {
$('#' + prefix + '-' + cred).val('__PWRD__');
}
else {
$('#' + prefix + '-' + cred).val('');
}
} else {
preparePropertyEditor(credData, cred, prefix);
}
attachPropertyChangeHandler(node, credDef, cred, prefix);
}
}
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for (cred in credDef) {
if (credDef.hasOwnProperty(cred)) {
$("#" + prefix + "-" + cred).change();
}
}
}
/**
* Update the node credentials from the edit form
* @param node - the node containing the credentials
* @param credDefinition - definition of the credentials
* @param prefix - prefix of the input fields
* @return {boolean} whether anything has changed
*/
function updateNodeCredentials(node, credDefinition, prefix) {
var changed = false;
if(!node.credentials) {
node.credentials = {_:{}};
}
for (var cred in credDefinition) {
if (credDefinition.hasOwnProperty(cred)) {
var input = $("#" + prefix + '-' + cred);
var value = input.val();
if (credDefinition[cred].type == 'password') {
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node.credentials['has_' + cred] = (value !== "");
if (value == '__PWRD__') {
continue;
}
changed = true;
}
node.credentials[cred] = value;
if (value != node.credentials._[cred]) {
changed = true;
}
}
}
return changed;
}
/**
* Prepare all of the editor dialog fields
* @param node - the node being edited
* @param definition - the node definition
* @param prefix - the prefix to use in the input element ids (node-input|node-config-input)
*/
function prepareEditDialog(node,definition,prefix) {
for (var d in definition.defaults) {
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if (definition.defaults.hasOwnProperty(d)) {
if (definition.defaults[d].type) {
prepareConfigNodeSelect(node,d,definition.defaults[d].type);
} else {
preparePropertyEditor(node,d,prefix);
}
attachPropertyChangeHandler(node,definition.defaults,d,prefix);
}
}
var completePrepare = function() {
if (definition.oneditprepare) {
definition.oneditprepare.call(node);
}
for (var d in definition.defaults) {
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if (definition.defaults.hasOwnProperty(d)) {
$("#"+prefix+"-"+d).change();
}
}
}
if (definition.credentials) {
if (node.credentials) {
populateCredentialsInputs(node, definition.credentials, node.credentials, prefix);
completePrepare();
} else {
$.getJSON(getCredentialsURL(node.type, node.id), function (data) {
node.credentials = data;
node.credentials._ = $.extend(true,{},data);
populateCredentialsInputs(node, definition.credentials, node.credentials, prefix);
completePrepare();
});
}
} else {
completePrepare();
}
}
function showEditDialog(node) {
editing_node = node;
RED.view.state(RED.state.EDITING);
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var type = node.type;
if (node.type.substring(0,8) == "subflow:") {
type = "subflow";
var id = editing_node.type.substring(8);
var buttons = $( "#dialog" ).dialog("option","buttons");
buttons.unshift({
class: 'leftButton',
text: "Edit flow",
click: function() {
RED.view.showSubflow(id);
$("#node-dialog-ok").click();
}
});
$( "#dialog" ).dialog("option","buttons",buttons);
}
$("#dialog-form").html($("script[data-template-name='"+type+"']").html());
$('<input type="text" style="display: none;" />').appendTo("#dialog-form");
prepareEditDialog(node,node._def,"node-input");
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$( "#dialog" ).dialog("option","title","Edit "+type+" node").dialog( "open" );
}
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function showEditConfigNodeDialog(name,type,id) {
var adding = (id == "_ADD_");
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var node_def = RED.nodes.getType(type);
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var configNode = RED.nodes.node(id);
if (configNode == null) {
configNode = {
id: (1+Math.random()*4294967295).toString(16),
_def: node_def,
type: type
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}
for (var d in node_def.defaults) {
if (node_def.defaults[d].value) {
configNode[d] = node_def.defaults[d].value;
}
}
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}
$("#dialog-config-form").html($("script[data-template-name='"+type+"']").html());
prepareEditDialog(configNode,node_def,"node-config-input");
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var buttons = $( "#node-config-dialog" ).dialog("option","buttons");
if (adding) {
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if (buttons.length == 3) {
buttons = buttons.splice(1);
}
buttons[0].text = "Add";
$("#node-config-dialog-user-count").html("").hide();
} else {
if (buttons.length == 2) {
buttons.unshift({
class: 'leftButton',
text: "Delete",
click: function() {
var configProperty = $(this).dialog('option','node-property');
var configId = $(this).dialog('option','node-id');
var configType = $(this).dialog('option','node-type');
var configNode = RED.nodes.node(configId);
var configTypeDef = RED.nodes.getType(configType);
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if (configTypeDef.ondelete) {
configTypeDef.ondelete.call(RED.nodes.node(configId));
}
RED.nodes.remove(configId);
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for (var i=0;i<configNode.users.length;i++) {
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var user = configNode.users[i];
for (var d in user._def.defaults) {
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if (user._def.defaults.hasOwnProperty(d) && user[d] == configId) {
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user[d] = "";
}
}
validateNode(user);
}
updateConfigNodeSelect(configProperty,configType,"");
RED.view.dirty(true);
$( this ).dialog( "close" );
RED.view.redraw();
}
});
}
buttons[1].text = "Update";
$("#node-config-dialog-user-count").html(configNode.users.length+" node"+(configNode.users.length==1?" uses":"s use")+" this config").show();
}
$( "#node-config-dialog" ).dialog("option","buttons",buttons);
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$( "#node-config-dialog" )
.dialog("option","node-adding",adding)
.dialog("option","node-property",name)
.dialog("option","node-id",configNode.id)
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.dialog("option","node-type",type)
.dialog("option","title",(adding?"Add new ":"Edit ")+type+" config node")
.dialog( "open" );
}
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function updateConfigNodeSelect(name,type,value) {
var select = $("#node-input-"+name);
var node_def = RED.nodes.getType(type);
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select.children().remove();
RED.nodes.eachConfig(function(config) {
if (config.type == type) {
var label = "";
if (typeof node_def.label == "function") {
label = node_def.label.call(config);
} else {
label = node_def.label;
}
select.append('<option value="'+config.id+'"'+(value==config.id?" selected":"")+'>'+label+'</option>');
}
});
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select.append('<option value="_ADD_"'+(value===""?" selected":"")+'>Add new '+type+'...</option>');
window.setTimeout(function() { select.change();},50);
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}
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$( "#node-config-dialog" ).dialog({
modal: true,
autoOpen: false,
width: 500,
closeOnEscape: false,
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buttons: [
{
id: "node-config-dialog-ok",
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text: "Ok",
click: function() {
var configProperty = $(this).dialog('option','node-property');
var configId = $(this).dialog('option','node-id');
var configType = $(this).dialog('option','node-type');
var configAdding = $(this).dialog('option','node-adding');
var configTypeDef = RED.nodes.getType(configType);
var configNode;
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var d;
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if (configAdding) {
configNode = {type:configType,id:configId,users:[]};
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for (d in configTypeDef.defaults) {
if (configTypeDef.defaults.hasOwnProperty(d)) {
configNode[d] = $("#node-config-input-"+d).val();
}
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}
configNode.label = configTypeDef.label;
configNode._def = configTypeDef;
RED.nodes.add(configNode);
updateConfigNodeSelect(configProperty,configType,configNode.id);
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} else {
configNode = RED.nodes.node(configId);
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for (d in configTypeDef.defaults) {
if (configTypeDef.defaults.hasOwnProperty(d)) {
var input = $("#node-config-input-"+d);
if (input.attr('type') === "checkbox") {
configNode[d] = input.prop('checked');
} else {
configNode[d] = input.val();
}
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}
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}
updateConfigNodeSelect(configProperty,configType,configId);
}
if (configTypeDef.credentials) {
updateNodeCredentials(configNode,configTypeDef.credentials,"node-config-input");
}
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if (configTypeDef.oneditsave) {
configTypeDef.oneditsave.call(RED.nodes.node(configId));
}
validateNode(configNode);
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RED.view.dirty(true);
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$(this).dialog("close");
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}
},
{
id: "node-config-dialog-cancel",
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text: "Cancel",
click: function() {
var configType = $(this).dialog('option','node-type');
var configId = $(this).dialog('option','node-id');
var configAdding = $(this).dialog('option','node-adding');
var configTypeDef = RED.nodes.getType(configType);
if (configTypeDef.oneditcancel) {
// TODO: what to pass as this to call
if (configTypeDef.oneditcancel) {
var cn = RED.nodes.node(configId);
if (cn) {
configTypeDef.oneditcancel.call(cn,false);
} else {
configTypeDef.oneditcancel.call({id:configId},true);
}
}
}
$( this ).dialog( "close" );
}
}
],
resize: function(e,ui) {
},
open: function(e) {
if (RED.view.state() != RED.state.EDITING) {
RED.keyboard.disable();
}
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},
close: function(e) {
$("#dialog-config-form").html("");
if (RED.view.state() != RED.state.EDITING) {
RED.keyboard.enable();
}
RED.sidebar.config.refresh();
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}
});
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$( "#subflow-dialog" ).dialog({
modal: true,
autoOpen: false,
closeOnEscape: false,
width: 500,
buttons: [
{
class: 'leftButton',
text: "Delete",
click: function() {
var removedNodes = [];
var removedLinks = [];
var startDirty = RED.view.dirty();
RED.nodes.eachNode(function(n) {
if (n.type == "subflow:"+editing_node.id) {
removedNodes.push(n);
}
if (n.z == editing_node.id) {
removedNodes.push(n);
}
});
for (var i=0;i<removedNodes.length;i++) {
var rmlinks = RED.nodes.remove(removedNodes[i].id);
removedLinks = removedLinks.concat(rmlinks);
}
RED.nodes.removeSubflow(editing_node);
RED.view.removeWorkspace(editing_node);
RED.history.push({
t:'delete',
nodes:removedNodes,
links:removedLinks,
subflow: editing_node,
dirty:startDirty
});
RED.view.dirty(true);
RED.view.redraw();
$( this ).dialog( "close" );
}
},
{
id: "subflow-dialog-ok",
text: "Ok",
click: function() {
if (editing_node) {
var i;
var changes = {};
var changed = false;
var wasDirty = RED.view.dirty();
var newName = $("#subflow-input-name").val();
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if (newName != editing_node.name) {
changes['name'] = editing_node.name;
editing_node.name = newName;
changed = true;
$("#btn-workspace-menu-"+editing_node.id.replace(".","-")).text("Subflow: "+newName);
}
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RED.palette.refresh();
if (changed) {
RED.nodes.eachNode(function(n) {
if (n.type == "subflow:"+editing_node.id) {
n.changed = true;
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updateNodeProperties(n);
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}
});
var wasChanged = editing_node.changed;
editing_node.changed = true;
RED.view.dirty(true);
var historyEvent = {
t:'edit',
node:editing_node,
changes:changes,
dirty:wasDirty,
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changed:wasChanged
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};
RED.history.push(historyEvent);
}
editing_node.dirty = true;
RED.view.redraw();
}
$( this ).dialog( "close" );
}
},
{
id: "subflow-dialog-cancel",
text: "Cancel",
click: function() {
$( this ).dialog( "close" );
editing_node = null;
}
}
],
open: function(e) {
RED.keyboard.disable();
},
close: function(e) {
RED.keyboard.enable();
if (RED.view.state() != RED.state.IMPORT_DRAGGING) {
RED.view.state(RED.state.DEFAULT);
}
RED.sidebar.info.refresh(editing_node);
editing_node = null;
}
});
function showEditSubflowDialog(subflow) {
editing_node = subflow;
RED.view.state(RED.state.EDITING);
$("#subflow-input-name").val(subflow.name);
var userCount = 0;
var subflowType = "subflow:"+editing_node.id;
RED.nodes.eachNode(function(n) {
if (n.type === subflowType) {
userCount++;
}
});
$("#subflow-dialog-user-count").html("There "+(userCount==1?"is":"are")+" "+userCount+" instance"+(userCount==1?" ":"s")+" of this subflow").show();
$("#subflow-dialog").dialog("option","title","Edit flow "+subflow.name).dialog( "open" );
}
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return {
edit: showEditDialog,
editConfig: showEditConfigNodeDialog,
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editSubflow: showEditSubflowDialog,
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validateNode: validateNode,
updateNodeProperties: updateNodeProperties // TODO: only exposed for edit-undo
}
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})();