Basic JSON schema validation working

This commit is contained in:
jos 2016-01-11 15:44:03 +01:00
parent d45f8df607
commit e21aad3e69
9 changed files with 892 additions and 451 deletions

View File

@ -119,9 +119,10 @@ gulp.task('zip', shell.task([
]));
// The watch task (to automatically rebuild when the source code changes)
// Does only generate jsoneditor.js and jsoneditor.css, not the minified versions
gulp.task('watch', ['bundle', 'bundle-css'], function () {
gulp.watch(['src/**/*.js'], ['bundle', 'bundle-css']);
// Does only generate jsoneditor.js and jsoneditor.css, and copy the image
// Does NOT minify the code
gulp.task('watch', ['bundle', 'bundle-css', 'copy-img'], function () {
gulp.watch(['src/**/*'], ['bundle', 'bundle-css', 'copy-img']);
});
// The default task (called when you run `gulp`)

View File

@ -23,6 +23,7 @@
"test": "mocha test"
},
"dependencies": {
"ajv": "3.2.0",
"brace": "0.7.0"
},
"devDependencies": {

View File

@ -42,13 +42,13 @@
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Width:  |  Height:  |  Size: 36 KiB

After

Width:  |  Height:  |  Size: 35 KiB

View File

@ -271,3 +271,137 @@ div.jsoneditor textarea {
font-size: 10pt;
color: #1A1A1A;
}
/* popover */
.jsoneditor-schema-error {
cursor: default;
display: inline-block;
font-family: arial, sans-serif;
height: 24px;
line-height: 24px;
position: relative;
text-align: center;
width: 24px;
}
div.jsoneditor-tree .jsoneditor-schema-error {
width: 24px;
height: 24px;
padding: 0;
margin: 0 4px 0 0;
background: url('img/jsoneditor-icons.svg') -168px -48px;
}
.jsoneditor-schema-error .jsoneditor-popover {
background-color: #4c4c4c;
border-radius: 3px;
box-shadow: 0 0 5px rgba(0,0,0,0.4);
color: #fff;
display: none;
padding: 7px 10px;
position: absolute;
width: 200px;
z-index: 4;
}
.jsoneditor-schema-error .jsoneditor-popover.jsoneditor-above {
bottom: 32px;
left: -98px;
}
.jsoneditor-schema-error .jsoneditor-popover.jsoneditor-below {
top: 32px;
left: -98px;
}
.jsoneditor-schema-error .jsoneditor-popover.jsoneditor-left {
top: -7px;
right: 32px;
}
.jsoneditor-schema-error .jsoneditor-popover.jsoneditor-right {
top: -7px;
left: 32px;
}
.jsoneditor-schema-error .jsoneditor-popover:before {
border-right: 7px solid transparent;
border-left: 7px solid transparent;
content: '';
display: block;
left: 50%;
margin-left: -7px;
position: absolute;
}
.jsoneditor-schema-error .jsoneditor-popover.jsoneditor-above:before {
border-top: 7px solid #4c4c4c;
bottom: -7px;
}
.jsoneditor-schema-error .jsoneditor-popover.jsoneditor-below:before {
border-bottom: 7px solid #4c4c4c;
top: -7px;
}
.jsoneditor-schema-error .jsoneditor-popover.jsoneditor-left:before {
border-left: 7px solid #4c4c4c;
border-top: 7px solid transparent;
border-bottom: 7px solid transparent;
content: '';
top: 19px;
right: -14px;
left: inherit;
margin-left: inherit;
margin-top: -7px;
position: absolute;
}
.jsoneditor-schema-error .jsoneditor-popover.jsoneditor-right:before {
border-right: 7px solid #4c4c4c;
border-top: 7px solid transparent;
border-bottom: 7px solid transparent;
content: '';
top: 19px;
left: -14px;
margin-left: inherit;
margin-top: -7px;
position: absolute;
}
.jsoneditor-schema-error:hover .jsoneditor-popover,
.jsoneditor-schema-error:focus .jsoneditor-popover {
display: block;
-webkit-animation: fade-in .3s linear 1, move-up .3s linear 1;
-moz-animation: fade-in .3s linear 1, move-up .3s linear 1;
-ms-animation: fade-in .3s linear 1, move-up .3s linear 1;
}
@-webkit-keyframes fade-in {
from { opacity: 0; }
to { opacity: 1; }
}
@-moz-keyframes fade-in {
from { opacity: 0; }
to { opacity: 1; }
}
@-ms-keyframes fade-in {
from { opacity: 0; }
to { opacity: 1; }
}
/*@-webkit-keyframes move-up {*/
/*from { bottom: 24px; }*/
/*to { bottom: 32px; }*/
/*}*/
/*@-moz-keyframes move-up {*/
/*from { bottom: 24px; }*/
/*to { bottom: 32px; }*/
/*}*/
/*@-ms-keyframes move-up {*/
/*from { bottom: 24px; }*/
/*to { bottom: 32px; }*/
/*}*/

View File

@ -66,7 +66,7 @@ function JSONEditor (container, options, json) {
// validate options
if (options) {
var VALID_OPTIONS = [
'ace',
'ace', 'schema',
'onChange', 'onEditable', 'onError', 'onModeChange',
'escapeUnicode', 'history', 'mode', 'modes', 'name', 'indentation', 'theme'
];

View File

@ -14,7 +14,7 @@ var util = require('./util');
* 'object', or 'string'.
*/
function Node (editor, params) {
/** @type {TreeEditor} */
/** @type {./treemode} */
this.editor = editor;
this.dom = {};
this.expanded = false;
@ -80,6 +80,93 @@ Node.prototype.getFieldsPath = function () {
return path;
};
/**
* Find a Node from a JSON path like '.items[3].name'
* @param {string} jsonPath
* @return {Node | null} Returns the Node when found, returns null if not found
*/
Node.prototype.findNode = function (jsonPath) {
var path = util.parsePath(jsonPath);
var node = this;
while (node && path.length > 0) {
var prop = path.shift();
if (typeof prop === 'number') {
if (node.type !== 'array') {
throw new Error('Cannot get child node at index ' + prop + ': node is no array');
}
node = node.childs[prop];
}
else { // string
if (node.type !== 'object') {
throw new Error('Cannot get child node ' + prop + ': node is no object');
}
node = node.childs.filter(function (child) {
return child.field === prop;
})[0];
}
}
return node;
};
/**
*
* @param {{dataPath: string, keyword: string, message: string, params: Object, schemaPath: string} | null} error
*/
Node.prototype.setError = function (error) {
// ensure the dom exists
this.getDom();
this.error = error;
var tdError = this.dom.tdError;
if (error) {
if (!tdError) {
tdError = document.createElement('td');
this.dom.tdError = tdError;
this.dom.tdValue.parentNode.appendChild(tdError);
}
var popover = document.createElement('div');
popover.className = 'jsoneditor-popover jsoneditor-right';
popover.appendChild(document.createTextNode(error.message));
var button = document.createElement('button');
button.className = 'jsoneditor-schema-error';
button.appendChild(popover);
var editor = this.editor;
button.onmouseover = button.onclick = button.onfocus = function () {
var directions = ['right', 'above', 'below', 'left'];
for (var i = 0; i < directions.length; i++) {
var direction = directions[i];
popover.className = 'jsoneditor-popover jsoneditor-' + direction;
var contentRect = editor.content.getBoundingClientRect();
var popoverRect = popover.getBoundingClientRect();
var fit = util.insideRect(contentRect, popoverRect);
if (fit) {
break;
}
}
};
while (tdError.firstChild) {
tdError.removeChild(tdError.firstChild);
}
tdError.appendChild(button);
// loop over all parents of this node, and set an error "This object contains childs with errors"
}
else {
if (tdError) {
this.dom.tdError.parentNode.removeChild(this.dom.tdError);
delete this.dom.tdError;
}
}
};
/**
* Get the index of this node: the index in the list of childs where this
* node is part of
@ -1601,7 +1688,7 @@ Node.prototype.updateDom = function (options) {
domTree.style.marginLeft = this.getLevel() * 24 + 'px';
}
// update field
// apply field to DOM
var domField = this.dom.field;
if (domField) {
if (this.fieldEditable) {
@ -1631,7 +1718,7 @@ Node.prototype.updateDom = function (options) {
domField.innerHTML = this._escapeHTML(field);
}
// update value
// apply value to DOM
var domValue = this.dom.value;
if (domValue) {
var count = this.childs ? this.childs.length : 0;

View File

@ -1,3 +1,4 @@
var Ajv = require('ajv/dist/ajv.bundle.js');
var Highlighter = require('./Highlighter');
var History = require('./History');
var SearchBox = require('./SearchBox');
@ -6,6 +7,9 @@ var Node = require('./Node');
var modeswitcher = require('./modeswitcher');
var util = require('./util');
// create an instance of ajv for JSON validation
var ajv = Ajv({ allErrors: true });
// create a mixin with the functions for tree mode
var treemode = {};
@ -26,6 +30,7 @@ var treemode = {};
* {boolean} escapeUnicode If true, unicode
* characters are escaped.
* false by default.
* {Object} schema A JSON Schema for validation
* @private
*/
treemode.create = function (container, options) {
@ -39,6 +44,7 @@ treemode.create = function (container, options) {
this.multiselection = {
nodes: []
};
this.errorNodes = [];
this._setOptions(options);
@ -70,7 +76,8 @@ treemode._setOptions = function (options) {
search: true,
history: true,
mode: 'tree',
name: undefined // field name of root node
name: undefined, // field name of root node
schema: null
};
// copy all options
@ -81,6 +88,9 @@ treemode._setOptions = function (options) {
}
}
}
// compile a JSON schema validator if a JSON schema is provided
this._validate = this.options.schema ? ajv.compile(this.options.schema) : null;
};
// node currently being edited
@ -113,12 +123,17 @@ treemode.set = function (json, name) {
// replace the root node
var params = {
'field': this.options.name,
'value': json
field: this.options.name,
value: json
};
var node = new Node(this, params);
this._setRoot(node);
// validate JSON schema
if (this.options.schema) {
this.validate();
}
// expand
var recurse = false;
this.node.expand(recurse);
@ -308,6 +323,21 @@ treemode._onAction = function (action, params) {
this.history.add(action, params);
}
this._onChange();
};
/**
* Handle a change:
* - Validate JSON schema
* - Send a callback to the onChange listener if provided
* @private
*/
treemode._onChange = function () {
// validate JSON schema
if (this.options.schema) {
this.validate();
}
// trigger the onChange callback
if (this.options.onChange) {
try {
@ -319,6 +349,44 @@ treemode._onAction = function (action, params) {
}
};
/**
* Validate current JSON object against the configured JSON schema
* Throws an exception when no JSON schema is configured
*/
treemode.validate = function () {
if (!this._validate) {
throw new Error('Cannot validate: no JSON schema configured');
}
//console.time('validate'); // TODO: clean up time measurement
var valid = this._validate(this.node.getValue());
//console.timeEnd('validate');
// clear all current errors
this.errorNodes.forEach(function (node) {
node.setError(null);
});
// apply all new errors
var root = this.node;
if (!valid) {
this.errorNodes = this._validate.errors
.map(function (error) {
var node = root.findNode(error.dataPath);
if (node) {
node.setError(error);
}
return node;
})
.filter(function (node) {
return node != null
});
}
else {
this.errorNodes = [];
}
};
/**
* Start autoscrolling when given mouse position is above the top of the
* editor contents, or below the bottom.
@ -604,10 +672,8 @@ treemode._onUndo = function () {
// undo last action
this.history.undo();
// trigger change callback
if (this.options.onChange) {
this.options.onChange();
}
// fire change event
this._onChange();
}
};
@ -620,10 +686,8 @@ treemode._onRedo = function () {
// redo last action
this.history.redo();
// trigger change callback
if (this.options.onChange) {
this.options.onChange();
}
// fire change event
this._onChange();
}
};

View File

@ -626,3 +626,53 @@ exports.removeEventListener = function removeEventListener(element, action, list
element.detachEvent("on" + action, listener);
}
};
/**
* Parse a JSON path like '.items[3].name' into an array
* @param {string} jsonPath
* @return {Array}
*/
exports.parsePath = function parsePath(jsonPath) {
var prop, remainder;
if (jsonPath.length === 0) {
return [];
}
// find a match like '.prop'
var match = jsonPath.match(/^\.(\w+)/);
if (match) {
prop = match[1];
remainder = jsonPath.substr(prop.length + 1);
}
else if (jsonPath[0] === '[') {
// find a match like
var end = jsonPath.indexOf(']');
if (end === -1) {
throw new SyntaxError('Character ] expected in path');
}
if (end === 1) {
throw new SyntaxError('Index expected after [');
}
prop = JSON.parse(jsonPath.substring(1, end));
remainder = jsonPath.substr(end + 1);
}
else {
throw new SyntaxError('Failed to parse path');
}
return [prop].concat(parsePath(remainder))
};
/**
* Test whether the child rect fits completely inside the parent rect.
* @param {ClientRect} parent
* @param {ClientRect} child
*/
exports.insideRect = function (parent, child) {
return child.left >= parent.left
&& child.right <= parent.right
&& child.top >= parent.top
&& child.bottom <= parent.bottom;
};

93
test/test_schema.html Normal file
View File

@ -0,0 +1,93 @@
<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html;charset=utf-8">
<link href="../dist/jsoneditor.css" rel="stylesheet" type="text/css">
<script src="../dist/jsoneditor.js"></script>
<style type="text/css">
body {
font: 10.5pt arial;
color: #4d4d4d;
line-height: 150%;
width: 500px;
padding-left: 40px;
}
code {
background-color: #f5f5f5;
}
#jsoneditor {
width: 500px;
height: 500px;
}
</style>
</head>
<body>
<p>
Switch editor mode using the mode box.
Note that the mode can be changed programmatically as well using the method
<code>editor.setMode(mode)</code>, try it in the console of your browser.
</p>
<div id="jsoneditor"></div>
<script>
var container = document.getElementById('jsoneditor');
var schema = {
"title": "Example Schema",
"type": "object",
"properties": {
"firstName": {
"type": "string"
},
"lastName": {
"type": "string"
},
"age": {
"description": "Age in years",
"type": "integer",
"minimum": 0
},
"hobbies": {
"type": "array",
"items": {
"type": "string"
}
}
},
"required": ["firstName", "lastName"]
};
var options = {
mode: 'tree',
modes: ['form', 'tree', 'view'], // allowed modes
onError: function (err) {
console.error(err);
},
schema: schema
};
var json = {
"firstName": "Jos",
"lastName": "de Jong",
"age": 34.2,
"hobbies": [
"programming",
"movies",
"bicycling"
]
};
var editor = new JSONEditor(container, options, json);
console.log('json', json);
console.log('schema', schema);
console.log('string', JSON.stringify(json));
</script>
</body>
</html>