mirror of
https://github.com/node-red/node-red.git
synced 2023-10-10 13:36:53 +02:00
390 lines
20 KiB
HTML
390 lines
20 KiB
HTML
<!--
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Copyright JS Foundation and other contributors, http://js.foundation
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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-->
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<script type="text/x-red" data-template-name="switch">
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<div class="form-row">
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<label for="node-input-name"><i class="fa fa-tag"></i> <span data-i18n="common.label.name"></span></label>
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<input type="text" id="node-input-name" data-i18n="[placeholder]common.label.name">
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</div>
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<div class="form-row">
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<label data-i18n="switch.label.property"></label>
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<input type="text" id="node-input-property" style="width: 70%"/>
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<input type="hidden" id="node-input-outputs"/>
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</div>
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<div class="form-row node-input-rule-container-row">
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<ol id="node-input-rule-container"></ol>
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</div>
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<div class="form-row">
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<select id="node-input-checkall" style="width:100%; margin-right:5px;">
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<option value="true" data-i18n="switch.checkall"></option>
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<option value="false" data-i18n="switch.stopfirst"></option>
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</select>
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</div>
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<div class="form-row">
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<input type="checkbox" id="node-input-repair" style="display: inline-block; width: auto; vertical-align: top;">
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<label style="width: auto;" for="node-input-repair"><span data-i18n="switch.label.repair"></span></label></input>
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</div>
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</script>
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<script type="text/x-red" data-help-name="switch">
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<p>Route messages based on their property values or sequence position.</p>
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<h3>Details</h3>
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<p>When a message arrives, the node will evaluate each of the defined rules
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and forward the message to the corresponding outputs of any matching rules.</p>
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<p>Optionally, the node can be set to stop evaluating rules once it finds one
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that matches.</p>
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<p>The rules can be evaluated against an individual message property, a flow or global
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context property or the result of a JSONata expression.</p>
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<h4>Rules</h4>
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<p>There are four types of rule:</p>
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<ol>
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<li><b>Value</b> rules are evaluated against the configured property</li>
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<li><b>Sequence</b> rules can be used on message sequences, such as those
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generated by the Split node</li>
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<li>A JSONata <b>Expression</b> can be provided that will be evaluated
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against the whole message and will match if the expression returns
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a true value.</li>
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<li>An <b>Otherwise</b> rule can be used to match if none of the preceeding
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rules have matched.</li>
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</ol>
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<h4>Handling message sequences</h4>
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<p>By default, the node does not modify the <code>msg.parts</code> property of messages
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that are part of a sequence.</p>
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<p>The <b>recreate message sequences</b> option can be enabled to generate new message sequences
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for each rule that matches. In this mode, the node will buffer the entire incoming
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sequence before sending the new sequences on. The runtime setting <code>nodeMessageBufferMaxLength</code>
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can be used to limit how many messages nodes will buffer.</p>
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</script>
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<script type="text/javascript">
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(function() {
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var operators = [
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{v:"eq",t:"==",kind:'V'},
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{v:"neq",t:"!=",kind:'V'},
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{v:"lt",t:"<",kind:'V'},
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{v:"lte",t:"<=",kind:'V'},
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{v:"gt",t:">",kind:'V'},
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{v:"gte",t:">=",kind:'V'},
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{v:"btwn",t:"switch.rules.btwn",kind:'V'},
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{v:"cont",t:"switch.rules.cont",kind:'V'},
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{v:"regex",t:"switch.rules.regex",kind:'V'},
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{v:"true",t:"switch.rules.true",kind:'V'},
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{v:"false",t:"switch.rules.false",kind:'V'},
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{v:"null",t:"switch.rules.null",kind:'V'},
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{v:"nnull",t:"switch.rules.nnull",kind:'V'},
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{v:"head",t:"switch.rules.head",kind:'S'},
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{v:"index",t:"switch.rules.index",kind:'S'},
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{v:"tail",t:"switch.rules.tail",kind:'S'},
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{v:"jsonata_exp",t:"switch.rules.exp",kind:'O'},
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{v:"else",t:"switch.rules.else",kind:'O'}
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];
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function clipValueLength(v) {
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if (v.length > 15) {
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return v.substring(0,15)+"...";
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}
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return v;
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}
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function getValueLabel(t,v) {
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if (t === 'str') {
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return '"'+clipValueLength(v)+'"';
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} else if (t === 'msg' || t==='flow' || t==='global') {
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return t+"."+clipValueLength(v);
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}
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return clipValueLength(v);
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}
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RED.nodes.registerType('switch', {
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color: "#E2D96E",
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category: 'function',
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defaults: {
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name: {value:""},
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property: {value:"payload", required:true, validate: RED.validators.typedInput("propertyType")},
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propertyType: { value:"msg" },
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rules: {value:[{t:"eq", v:"", vt:"str"}]},
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checkall: {value:"true", required:true},
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repair: {value:false},
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outputs: {value:1}
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},
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inputs: 1,
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outputs: 1,
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outputLabels: function(index) {
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var rule = this.rules[index];
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var label = "";
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if (rule) {
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for (var i=0;i<operators.length;i++) {
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if (operators[i].v === rule.t) {
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label = /^switch/.test(operators[i].t)?this._(operators[i].t):operators[i].t;
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break;
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}
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}
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if ((rule.t === 'btwn') || (rule.t === 'index')) {
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label += " "+getValueLabel(rule.vt,rule.v)+" & "+getValueLabel(rule.v2t,rule.v2);
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} else if (rule.t !== 'true' && rule.t !== 'false' && rule.t !== 'null' && rule.t !== 'nnull' && rule.t !== 'else' ) {
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label += " "+getValueLabel(rule.vt,rule.v);
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}
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return label;
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}
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},
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icon: "switch.png",
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label: function() {
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return this.name||this._("switch.switch");
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},
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labelStyle: function() {
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return this.name?"node_label_italic":"";
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},
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oneditprepare: function() {
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var node = this;
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var previousValueType = {value:"prev",label:this._("inject.previous"),hasValue:false};
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$("#node-input-property").typedInput({default:this.propertyType||'msg',types:['msg','flow','global','jsonata']});
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var outputCount = $("#node-input-outputs").val("{}");
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var andLabel = this._("switch.and");
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var caseLabel = this._("switch.ignorecase");
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function resizeRule(rule) {
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var newWidth = rule.width();
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var selectField = rule.find("select");
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var type = selectField.val()||"";
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var valueField = rule.find(".node-input-rule-value");
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var numField = rule.find(".node-input-rule-num-value");
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var expField = rule.find(".node-input-rule-exp-value");
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var btwnField1 = rule.find(".node-input-rule-btwn-value");
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var btwnField2 = rule.find(".node-input-rule-btwn-value2");
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var selectWidth;
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if (type.length < 4) {
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selectWidth = 60;
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} else if (type === "regex") {
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selectWidth = 147;
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} else {
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selectWidth = 120;
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}
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selectField.width(selectWidth);
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if ((type === "btwn") || (type === "index")) {
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btwnField1.typedInput("width",(newWidth-selectWidth-70));
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btwnField2.typedInput("width",(newWidth-selectWidth-70));
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} else if ((type === "head") || (type === "tail")) {
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numField.typedInput("width",(newWidth-selectWidth-70));
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} else if (type === "jsonata_exp") {
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expField.typedInput("width",(newWidth-selectWidth-70));
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} else {
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if (type === "true" || type === "false" || type === "null" || type === "nnull" || type === "else") {
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// valueField.hide();
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} else {
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valueField.typedInput("width",(newWidth-selectWidth-70));
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}
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}
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}
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$("#node-input-rule-container").css('min-height','250px').css('min-width','450px').editableList({
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addItem: function(container,i,opt) {
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if (!opt.hasOwnProperty('r')) {
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opt.r = {};
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}
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var rule = opt.r;
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if (!rule.hasOwnProperty('t')) {
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rule.t = 'eq';
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}
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if (!opt.hasOwnProperty('i')) {
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opt._i = Math.floor((0x99999-0x10000)*Math.random()).toString();
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}
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container.css({
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overflow: 'hidden',
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whiteSpace: 'nowrap'
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});
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var row = $('<div/>').appendTo(container);
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var row2 = $('<div/>',{style:"padding-top: 5px; padding-left: 175px;"}).appendTo(container);
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var row3 = $('<div/>',{style:"padding-top: 5px; padding-left: 102px;"}).appendTo(container);
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var selectField = $('<select/>',{style:"width:120px; margin-left: 5px; text-align: center;"}).appendTo(row);
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var group0 = $('<optgroup/>', { label: "value rules" }).appendTo(selectField);
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for (var d in operators) {
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if(operators[d].kind === 'V') {
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group0.append($("<option></option>").val(operators[d].v).text(/^switch/.test(operators[d].t)?node._(operators[d].t):operators[d].t));
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}
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}
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var group1 = $('<optgroup/>', { label: "sequence rules" }).appendTo(selectField);
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for (var d in operators) {
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if(operators[d].kind === 'S') {
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group1.append($("<option></option>").val(operators[d].v).text(/^switch/.test(operators[d].t)?node._(operators[d].t):operators[d].t));
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}
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}
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for (var d in operators) {
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if(operators[d].kind === 'O') {
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selectField.append($("<option></option>").val(operators[d].v).text(/^switch/.test(operators[d].t)?node._(operators[d].t):operators[d].t));
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}
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}
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var valueField = $('<input/>',{class:"node-input-rule-value",type:"text",style:"margin-left: 5px;"}).appendTo(row).typedInput({default:'str',types:['msg','flow','global','str','num','jsonata',previousValueType]});
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var numValueField = $('<input/>',{class:"node-input-rule-num-value",type:"text",style:"margin-left: 5px;"}).appendTo(row).typedInput({default:'num',types:['flow','global','num','jsonata']});
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var expValueField = $('<input/>',{class:"node-input-rule-exp-value",type:"text",style:"margin-left: 5px;"}).appendTo(row).typedInput({default:'jsonata',types:['jsonata']});
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var btwnValueField = $('<input/>',{class:"node-input-rule-btwn-value",type:"text",style:"margin-left: 5px;"}).appendTo(row).typedInput({default:'num',types:['msg','flow','global','str','num','jsonata',previousValueType]});
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var btwnAndLabel = $('<span/>',{class:"node-input-rule-btwn-label"}).text(" "+andLabel+" ").appendTo(row3);
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var btwnValue2Field = $('<input/>',{class:"node-input-rule-btwn-value2",type:"text",style:"margin-left:2px;"}).appendTo(row3).typedInput({default:'num',types:['msg','flow','global','str','num','jsonata',previousValueType]});
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var finalspan = $('<span/>',{style:"float: right;margin-top: 6px;"}).appendTo(row);
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finalspan.append(' → <span class="node-input-rule-index">'+(i+1)+'</span> ');
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var caseSensitive = $('<input/>',{id:"node-input-rule-case-"+i,class:"node-input-rule-case",type:"checkbox",style:"width:auto;vertical-align:top"}).appendTo(row2);
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$('<label/>',{for:"node-input-rule-case-"+i,style:"margin-left: 3px;"}).text(caseLabel).appendTo(row2);
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selectField.change(function() {
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resizeRule(container);
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var type = selectField.val();
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if ((type === "btwn") || (type === "index")) {
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valueField.typedInput('hide');
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expValueField.typedInput('hide');
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numValueField.typedInput('hide');
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btwnValueField.typedInput('show');
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} else if ((type === "head") || (type === "tail")) {
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btwnValueField.typedInput('hide');
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btwnValue2Field.typedInput('hide');
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expValueField.typedInput('hide');
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numValueField.typedInput('show');
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valueField.typedInput('hide');
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} else if (type === "jsonata_exp") {
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btwnValueField.typedInput('hide');
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btwnValue2Field.typedInput('hide');
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expValueField.typedInput('show');
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numValueField.typedInput('hide');
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valueField.typedInput('hide');
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} else {
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btwnValueField.typedInput('hide');
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expValueField.typedInput('hide');
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numValueField.typedInput('hide');
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if (type === "true" || type === "false" || type === "null" || type === "nnull" || type === "else") {
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valueField.typedInput('hide');
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} else {
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valueField.typedInput('show');
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}
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}
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if (type === "regex") {
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row2.show();
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row3.hide();
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} else if ((type === "btwn") || (type === "index")) {
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row2.hide();
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row3.show();
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btwnValue2Field.typedInput('show');
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} else {
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row2.hide();
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row3.hide();
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}
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});
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selectField.val(rule.t);
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if ((rule.t == "btwn") || (rule.t == "index")) {
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btwnValueField.typedInput('value',rule.v);
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btwnValueField.typedInput('type',rule.vt||'num');
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btwnValue2Field.typedInput('value',rule.v2);
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btwnValue2Field.typedInput('type',rule.v2t||'num');
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} else if ((rule.t === "head") || (rule.t === "tail")) {
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numValueField.typedInput('value',rule.v);
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numValueField.typedInput('type',rule.vt||'num');
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} else if (rule.t === "jsonata_exp") {
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expValueField.typedInput('value',rule.v);
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expValueField.typedInput('type',rule.vt||'jsonata');
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} else if (typeof rule.v != "undefined") {
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valueField.typedInput('value',rule.v);
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valueField.typedInput('type',rule.vt||'str');
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}
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if (rule.case) {
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caseSensitive.prop('checked',true);
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} else {
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caseSensitive.prop('checked',false);
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}
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selectField.change();
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var currentOutputs = JSON.parse(outputCount.val()||"{}");
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currentOutputs[opt.hasOwnProperty('i')?opt.i:opt._i] = i;
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outputCount.val(JSON.stringify(currentOutputs));
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},
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removeItem: function(opt) {
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var currentOutputs = JSON.parse(outputCount.val()||"{}");
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if (opt.hasOwnProperty('i')) {
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currentOutputs[opt.i] = -1;
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} else {
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delete currentOutputs[opt._i];
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}
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var rules = $("#node-input-rule-container").editableList('items');
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rules.each(function(i) {
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$(this).find(".node-input-rule-index").html(i+1);
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var data = $(this).data('data');
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currentOutputs[data.hasOwnProperty('i')?data.i:data._i] = i;
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});
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outputCount.val(JSON.stringify(currentOutputs));
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},
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resizeItem: resizeRule,
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sortItems: function(rules) {
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var currentOutputs = JSON.parse(outputCount.val()||"{}");
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var rules = $("#node-input-rule-container").editableList('items');
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rules.each(function(i) {
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$(this).find(".node-input-rule-index").html(i+1);
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var data = $(this).data('data');
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currentOutputs[data.hasOwnProperty('i')?data.i:data._i] = i;
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});
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outputCount.val(JSON.stringify(currentOutputs));
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},
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sortable: true,
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removable: true
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});
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for (var i=0;i<this.rules.length;i++) {
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var rule = this.rules[i];
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$("#node-input-rule-container").editableList('addItem',{r:rule,i:i});
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}
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},
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oneditsave: function() {
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var rules = $("#node-input-rule-container").editableList('items');
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var ruleset;
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var node = this;
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node.rules = [];
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rules.each(function(i) {
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var ruleData = $(this).data('data');
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var rule = $(this);
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var type = rule.find("select").val();
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var r = {t:type};
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if (!(type === "true" || type === "false" || type === "null" || type === "nnull" || type === "else")) {
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if ((type === "btwn") || (type === "index")) {
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r.v = rule.find(".node-input-rule-btwn-value").typedInput('value');
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r.vt = rule.find(".node-input-rule-btwn-value").typedInput('type');
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r.v2 = rule.find(".node-input-rule-btwn-value2").typedInput('value');
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r.v2t = rule.find(".node-input-rule-btwn-value2").typedInput('type');
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} else if ((type === "head") || (type === "tail")) {
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r.v = rule.find(".node-input-rule-num-value").typedInput('value');
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r.vt = rule.find(".node-input-rule-num-value").typedInput('type');
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} else if (type === "jsonata_exp") {
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r.v = rule.find(".node-input-rule-exp-value").typedInput('value');
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r.vt = rule.find(".node-input-rule-exp-value").typedInput('type');
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} else {
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r.v = rule.find(".node-input-rule-value").typedInput('value');
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r.vt = rule.find(".node-input-rule-value").typedInput('type');
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}
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if (type === "regex") {
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r.case = rule.find(".node-input-rule-case").prop("checked");
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}
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}
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node.rules.push(r);
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});
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this.propertyType = $("#node-input-property").typedInput('type');
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},
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oneditresize: function(size) {
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var rows = $("#dialog-form>div:not(.node-input-rule-container-row)");
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var height = size.height;
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for (var i=0;i<rows.size();i++) {
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height -= $(rows[i]).outerHeight(true);
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}
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var editorRow = $("#dialog-form>div.node-input-rule-container-row");
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height -= (parseInt(editorRow.css("marginTop"))+parseInt(editorRow.css("marginBottom")));
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$("#node-input-rule-container").editableList('height',height);
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}
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});
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})();
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</script>
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