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/*
* ============LICENSE_START=======================================================
* org.onap.aai
* ================================================================================
* Copyright © 2017 AT&T Intellectual Property. All rights reserved.
* Copyright © 2017 Amdocs
* ================================================================================
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ============LICENSE_END=========================================================
*
* ECOMP is a trademark and service mark of AT&T Intellectual Property.
*/
/**
* 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 ValidationButtons from './ValidationButtons.jsx';
class ValidationForm extends React.Component {
static childContextTypes = {
validationParent: React.PropTypes.any,
isReadOnlyMode: React.PropTypes.bool
};
static defaultProps = {
hasButtons: true,
onSubmit: null,
onReset: null,
labledButtons: true,
onValidChange: null,
isValid: true
};
static propTypes = {
isValid: React.PropTypes.bool,
hasButtons: React.PropTypes.bool,
onSubmit: React.PropTypes.func,
onReset: React.PropTypes.func,
labledButtons: React.PropTypes.bool,
onValidChange: React.PropTypes.func
};
state = {
isValid: this.props.isValid
};
constructor(props) {
super(props);
this.validationComponents = [];
}
render() {
var buttons = (this.props.hasButtons) ?
<ValidationButtons labledButtons={this.props.labledButtons}
ref='buttons'
isReadOnlyMode={this.props.isReadOnlyMode}/>
: null;
return (
<form {...this.props} onSubmit={event => this.handleFormSubmit(event)}>
<div className='validation-form-content'>{this.props.children}</div>
{buttons}
</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) {
this.props.onSubmit(event);
} else if (!isFormValid) {
this.setState({isValid: false});
}
};
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
};
}
/***
* 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) {
this.validationComponents.push(validationComponent);
}
unregister(validationComponent) {
this.childValidStateChanged(validationComponent, true);
this.validationComponents =
this.validationComponents.filter(
otherValidationComponent => validationComponent !==
otherValidationComponent);
}
}
export default ValidationForm;
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