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@ -4,8 +4,8 @@ https://github.com/josdejong/jsoneditor
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## 2018-07-02, version 5.19.0
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- Implemented API: `extendEvent` to let extend behaviour when an event is
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fired in a node using internal structures and code.
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- Implemented API: `onEvent` triggered when an event occurs in a JSON field or
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value.
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## 2018-06-27, version 5.18.0
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20
docs/api.md
20
docs/api.md
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@ -227,20 +227,24 @@ Constructs a new JSONEditor.
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```
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Only applicable when `mode` is 'tree'.
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- `{function} extendEvent`
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- `{function} onEvent`
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Set a function that will be triggered after node event. This is added at the
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end of a node event execution, not replaced. It means that actions for that
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event will be executed and after that, if this function is provided, this code
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will be executed.
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Set a callback function that will be triggered when an event will occur in
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a JSON field or value.
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In case of field event, node information will be
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`{field: string, path: string[]}`.
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In case of value event, node information will be
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`{field: string, path: string[], value: string}`
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signature should be:
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```js
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/**
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* @param {Node} the Node where event has been triggered
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* @param {event} the event triggered
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* @param {Node} the Node where event has been triggered
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identified by {field: string, path: string[] [, value: string]}`
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* @param {event} the event fired
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*/
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function extendEvent(node, event) {
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function onEvent(node, event) {
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...
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}
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```
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@ -0,0 +1,84 @@
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<!DOCTYPE HTML>
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<html>
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<head>
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<meta http-equiv="Content-Type" content="text/html;charset=utf-8">
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<link href="../dist/jsoneditor.css" rel="stylesheet" type="text/css">
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<script src="../dist/jsoneditor.js"></script>
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<style type="text/css">
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body {
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font: 10.5pt arial;
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color: #4d4d4d;
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line-height: 150%;
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width: 500px;
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padding-left: 40px;
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}
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code {
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background-color: #f5f5f5;
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}
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#jsoneditor {
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width: 500px;
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height: 500px;
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}
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</style>
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</head>
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<body>
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<p>
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When clicking on a JSON field or value, a log message will be shown in
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console.
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</p>
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<form>
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<div id="jsoneditor"></div>
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</form>
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<script>
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var container, options, json;
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container = document.getElementById('jsoneditor');
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options = {
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mode: 'tree',
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modes: ['code', 'form', 'text', 'tree', 'view'], // allowed modes
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onError: function (err) {
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alert(err.toString());
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},
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onEvent: function(node, event) {
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if (event.type === 'click') {
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var message = 'click on <' + node.field +
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'> under path <' + node.path + '>';
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if (node.value) message += ' with value <' + node.value + '>';
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console.log(message);
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}
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}
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};
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json = {
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"array": [1, 2, [3,4,5]]
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};
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// json = {
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// "array": [1, 2, [3,4,5]],
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// "boolean": true,
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// "htmlcode": '"',
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// "escaped_unicode": '\\u20b9',
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// "unicode": '\u20b9,\uD83D\uDCA9',
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// "return": '\n',
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// "null": null,
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// "number": 123,
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// "object": {"a": "b", "c": "d"},
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// "string": "Hello World",
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// "url": "http://jsoneditoronline.org"
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// };
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window.editor = new JSONEditor(container, options, json);
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console.log('json', json);
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console.log('string', JSON.stringify(json));
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</script>
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</body>
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</html>
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@ -56,12 +56,12 @@ var util = require('./util');
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* centered location.
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* Defaults to document.body
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* 'text' and 'code'
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* {function} extendEvent Triggered after onEvent
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* to extend event
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* behaviour.
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* Only applicable for
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* modes 'form', 'tree' and
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* 'view'
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* {function} onEvent Callback method, triggered
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* when an event occurs in
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* a JSON field or value.
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* Only applicable for
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* modes 'form', 'tree' and
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* 'view'
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* @param {Object | undefined} json JSON object
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*/
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function JSONEditor (container, options, json) {
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@ -102,7 +102,7 @@ function JSONEditor (container, options, json) {
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'onChange', 'onEditable', 'onError', 'onModeChange', 'onSelectionChange', 'onTextSelectionChange',
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'escapeUnicode', 'history', 'search', 'mode', 'modes', 'name', 'indentation',
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'sortObjectKeys', 'navigationBar', 'statusBar', 'languages', 'language',
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'extendEvent'
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'onEvent'
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];
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Object.keys(options).forEach(function (option) {
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@ -2370,9 +2370,8 @@ Node.prototype._createDomTree = function () {
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/**
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* Handle an event. The event is caught centrally by the editor
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* @param {Event} event
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* @param {extendEvent} function with code for extend event behaviour.
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*/
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Node.prototype.onEvent = function (event, extendEvent) {
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Node.prototype.onEvent = function (event) {
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var type = event.type,
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target = event.target || event.srcElement,
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dom = this.dom,
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@ -2552,8 +2551,35 @@ Node.prototype.onEvent = function (event, extendEvent) {
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this.onKeyDown(event);
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}
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// Execute event extension
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if (extendEvent) extendEvent(this, event);
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if (typeof this.editor.options.onEvent === 'function') {
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this._onEvent(event);
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}
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};
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/**
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* Trigger external onEvent provided in options if node is a JSON field or
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* value.
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* Information provided depends on the element:
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* - If event occurs in a field, {field: string, path: string[]}
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* - If event occurs in a value, {field: string, path: string[], value:
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* string}
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* @param {Event} event
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* @private
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*/
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Node.prototype._onEvent = function (event) {
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var element = event.target;
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if (this.parent &&
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(element === this.dom.field || element === this.dom.value)) {
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var info = {
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field: this.getField(),
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path: this.getPath()
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};
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// For leaf values, include value
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if (!this._hasChilds() &&element === this.dom.value) {
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info.value = this.getValue();
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}
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this.editor.options.onEvent(info, event);
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}
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};
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/**
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@ -35,8 +35,9 @@ var treemode = {};
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* characters are escaped.
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* false by default.
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* {Object} schema A JSON Schema for validation
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* {function} extendEvent Function triggered
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* after Node event.
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* {function} onEvent Function triggered
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* when an event occurs
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* in a field or value.
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* @private
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*/
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treemode.create = function (container, options) {
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@ -65,9 +66,6 @@ treemode.create = function (container, options) {
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this.history = new History(this);
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}
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if (options.extendEvent)
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this.extendEvent = this.options.extendEvent;
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this._createFrame();
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this._createTable();
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};
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@ -125,7 +123,7 @@ treemode._setOptions = function (options) {
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autocomplete: null,
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navigationBar : true,
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onSelectionChange: null,
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extendEvent: null
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onEvent: null
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};
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// copy all options
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@ -895,7 +893,7 @@ treemode._onEvent = function (event) {
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}
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if (node) {
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node.onEvent(event, this.options.extendEvent);
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node.onEvent(event);
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}
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};
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