jsoneditor/examples/13_autocomplete_advanced.html

110 lines
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HTML

<!DOCTYPE HTML>
<html lang="en">
<head>
<meta charset="utf-8">
<title>JSONEditor | Advanced Auto Complete</title>
<link href="../dist/jsoneditor.css" rel="stylesheet" type="text/css">
<script src="../dist/jsoneditor.js"></script>
<script src="https://unpkg.com/jsonpath@0.2.11/jsonpath.min.js"></script>
<style type="text/css">
#jsoneditor {
width: 500px;
height: 500px;
}
p {
width: 500px;
font-family: "DejaVu Sans", sans-serif;
}
</style>
</head>
<body>
<p>
This example demonstrates how to autocomplete works with an ActivationChar option, press "*" in any value and continue with autocompletion.
The autocomplete returns the posible jsonpaths of the existing json document, for example <code>*object.a</code>.
</p>
<div id="jsoneditor"></div>
<script>
// create the editor
const container = document.getElementById('jsoneditor')
const activationChar = '*'
const options = {
autocomplete: {
confirmKeys: [39, 35, 9, 190], // Confirm Autocomplete Keys: [right, end, tab, '.'] // By default are only [right, end, tab]
caseSensitive: false,
getOptions: function (text, path, input, editor) {
if (!text.startsWith(activationChar) || input !== 'value') return []
let data = {}
let startFrom = 0
const lastPoint = text.lastIndexOf('.')
const jsonObj = editor.get()
if ((lastPoint > 0) && (text.length > 1)) {
data = jsonpath.query(jsonObj, '$.' + text.substring(activationChar.length, lastPoint))
if (data.length > 0) {
data = data[0]
} else {
data = {}
}
// Indicate that autocompletion should start after the . (ignoring the first part)
startFrom = text.lastIndexOf('.') + 1
} else {
data = jsonObj
}
const optionsStr = YaskON.stringify(data, null, activationChar)
const options = optionsStr.split('\n')
return { startFrom: startFrom, options: options }
}
}
}
// helper function to auto complete paths of a JSON object
const YaskON = {
// Return first level json paths by the node 'o'
stringify: function (o, prefix, activationChar) {
prefix = prefix || ''
switch (typeof o) {
case 'object':
let output = ''
if (Array.isArray(o)) {
o.forEach(function (e, index) {
output += activationChar + prefix + '[' + index + ']' + '\n'
}.bind(this))
return output
}
output = ''
for (let k in o) {
if (o.hasOwnProperty(k)) {
if (prefix === '') output += this.stringify(o[k], k, activationChar)
}
}
if (prefix !== '') output += activationChar + prefix + '\n'
return output
case 'function':
return ''
default:
return prefix + '\n'
}
}
}
const json = {
'array': [{ 'field1': 'v1', 'field2': 'v2' }, 2, 3],
'boolean': true,
'null': null,
'number': 123,
'object': { 'a': 'b', 'c': 'd' },
'string': 'Hello World'
}
const editor = new JSONEditor(container, options, json)
</script>
</body>
</html>