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/**
* ValidationForm should be used in order to have a form that handles it's internal validation state.
* All ValidationInputs inside the form are checked for validity and the styling and submit buttons
* are updated accordingly.
*
* The properties that ahould be given to the form:
* labledButtons - whether or not use icons only as the form default buttons or use buttons with labels
* onSubmit - function for click on the submit button
* onReset - function for click on the reset button
*/
import React from 'react';
import JSONSchema from 'nfvo-utils/json/JSONSchema.js';
import JSONPointer from 'nfvo-utils/json/JSONPointer.js';
import ValidationButtons from './ValidationButtons.jsx';
class ValidationForm extends React.Component {
static childContextTypes = {
validationParent: React.PropTypes.any,
isReadOnlyMode: React.PropTypes.bool,
validationSchema: React.PropTypes.instanceOf(JSONSchema),
validationData: React.PropTypes.object
};
static defaultProps = {
hasButtons : true,
onSubmit : null,
onReset : null,
labledButtons: true,
onValidChange : null,
isValid: true
};
static propTypes = {
isValid : React.PropTypes.bool,
isReadOnlyMode : React.PropTypes.bool,
hasButtons : React.PropTypes.bool,
onSubmit : React.PropTypes.func,
onReset : React.PropTypes.func,
labledButtons: React.PropTypes.bool,
onValidChange : React.PropTypes.func,
onValidityChanged: React.PropTypes.func,
schema: React.PropTypes.object,
data: React.PropTypes.object
};
state = {
isValid: this.props.isValid
};
constructor(props) {
super(props);
this.validationComponents = [];
}
componentWillMount() {
let {schema, data} = this.props;
if (schema) {
this.processSchema(schema, data);
}
}
componentWillReceiveProps(nextProps) {
let {schema, data} = this.props;
let {schema: nextSchema, data: nextData} = nextProps;
if (schema !== nextSchema || data !== nextData) {
if (!schema || !nextSchema) {
throw new Error('ValidationForm: dynamically adding/removing schema is not supported');
}
if (schema !== nextSchema) {
this.processSchema(nextSchema, nextData);
} else {
this.setState({data: nextData});
}
}
}
processSchema(rawSchema, rawData) {
let schema = new JSONSchema();
schema.setSchema(rawSchema);
let data = schema.processData(rawData);
this.setState({
schema,
data
});
}
render() {
// eslint-disable-next-line no-unused-vars
let {isValid, isReadOnlyMode, hasButtons, onSubmit, labledButtons, onValidChange, onValidityChanged, schema, data, children, ...formProps} = this.props;
return (
<form {...formProps} onSubmit={event => this.handleFormSubmit(event)}>
<div className='validation-form-content'>{children}</div>
{hasButtons && <ValidationButtons labledButtons={labledButtons} ref='buttons' isReadOnlyMode={isReadOnlyMode}/>}
</form>
);
}
handleFormSubmit(event) {
event.preventDefault();
let isFormValid = true;
this.validationComponents.forEach(validationComponent => {
const isInputValid = validationComponent.validate().isValid;
isFormValid = isInputValid && isFormValid;
});
if(isFormValid && this.props.onSubmit) {
return this.props.onSubmit(event);
} else if(!isFormValid) {
this.setState({isValid: false});
}
}
componentWillUpdate(nextProps, nextState) {
if(this.state.isValid !== nextState.isValid && this.props.onValidityChanged) {
this.props.onValidityChanged(nextState.isValid);
}
}
componentDidUpdate(prevProps, prevState) {
// only handling this programatically if the validation of the form is done outside of the view
// (example with a form that is dependent on the state of other forms)
if (prevProps.isValid !== this.props.isValid) {
if (this.props.hasButtons) {
this.refs.buttons.setState({isValid: this.state.isValid});
}
} else if(this.state.isValid !== prevState.isValid) {
if (this.props.hasButtons) {
this.refs.buttons.setState({isValid: this.state.isValid});
}
// callback in case form is part of bigger picture in view
if (this.props.onValidChange) {
this.props.onValidChange(this.state.isValid);
}
}
}
componentDidMount() {
if (this.props.hasButtons) {
this.refs.buttons.setState({isValid: this.state.isValid});
}
}
getChildContext() {
return {
validationParent: this,
isReadOnlyMode: this.props.isReadOnlyMode,
validationSchema: this.state.schema,
validationData: this.state.data
};
}
/***
* Used by ValidationInput in order to let the (parent) form know
* the valid state. If there is a change in the state of the form,
* the buttons will be updated.
*
* @param validationComponent
* @param isValid
*/
childValidStateChanged(validationComponent, isValid) {
if (isValid !== this.state.isValid) {
let oldState = this.state.isValid;
let newState = isValid && this.validationComponents.filter(otherValidationComponent => validationComponent !== otherValidationComponent).every(otherValidationComponent => {
return otherValidationComponent.isValid();
});
if (oldState !== newState) {
this.setState({isValid: newState});
}
}
}
register(validationComponent) {
if (this.state.schema) {
// TODO: register
} else {
this.validationComponents.push(validationComponent);
}
}
unregister(validationComponent) {
this.childValidStateChanged(validationComponent, true);
this.validationComponents = this.validationComponents.filter(otherValidationComponent => validationComponent !== otherValidationComponent);
}
onValueChanged(pointer, value, isValid, error) {
this.props.onDataChanged({
data: JSONPointer.setValue(this.props.data, pointer, value),
isValid,
error
});
}
}
export default ValidationForm;
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