src/generic-components/input/validation/ValidationTab.jsx

   1 /*
   2  * ============LICENSE_START===================================================
   3  * SPARKY (AAI UI service)
   4  * ============================================================================
   5  * Copyright © 2017 AT&T Intellectual Property.
   6  * Copyright © 2017 Amdocs
   7  * All rights reserved.
   8  * ============================================================================
   9  * Licensed under the Apache License, Version 2.0 (the "License");
  10  * you may not use this file except in compliance with the License.
  11  * You may obtain a copy of the License at
  12  *
  13  *      http://www.apache.org/licenses/LICENSE-2.0
  14  *
  15  * Unless required by applicable law or agreed to in writing, software
  16  * distributed under the License is distributed on an "AS IS" BASIS,
  17  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  18  * See the License for the specific language governing permissions and
  19  * limitations under the License.
  20  * ============LICENSE_END=====================================================
  21  *
  22  * ECOMP and OpenECOMP are trademarks
  23  * and service marks of AT&T Intellectual Property.
  24  */
  25
  26 import React from 'react';
  27 import Tab from 'react-bootstrap/lib/Tab.js';
  28
  29 export default
  30 class ValidationTab extends React.Component {
  31
  32                 static propTypes = {
  33                                 children: React.PropTypes.node,
  34                                 eventKey: React.PropTypes.any.isRequired,
  35                                 onValidationStateChange: React.PropTypes.func //This property is assigned
  36                                                                 // dynamically via
  37                                                                 // React.cloneElement. lookup
  38                                                                 // ValidationTabs.jsx.
  39                                                                 // therefore it cannot be
  40                                                                 // stated as required!
  41                 };
  42
  43                 constructor(props) {
  44                                 super(props);
  45                                 this.validationComponents = [];
  46                 }
  47
  48                 static childContextTypes = {
  49                                 validationParent: React.PropTypes.any
  50                 };
  51
  52                 static contextTypes = {
  53                                 validationParent: React.PropTypes.any
  54                 };
  55
  56                 getChildContext() {
  57                                 return {validationParent: this};
  58                 }
  59
  60                 state = {
  61                                 isValid: true,
  62                                 notifyParent: false
  63                 };
  64
  65                 componentDidMount() {
  66                                 let validationParent = this.context.validationParent;
  67                                 if (validationParent) {
  68                                                 validationParent.register(this);
  69                                 }
  70                 }
  71
  72                 componentWillUnmount() {
  73                                 let validationParent = this.context.validationParent;
  74                                 if (validationParent) {
  75                                                 validationParent.unregister(this);
  76                                 }
  77                 }
  78
  79                 register(validationComponent) {
  80                                 this.validationComponents.push(validationComponent);
  81                 }
  82
  83                 unregister(validationComponent) {
  84                                 this.childValidStateChanged(validationComponent, true);
  85                                 this.validationComponents =
  86                                                 this.validationComponents.filter(
  87                                                                 otherValidationComponent => validationComponent !==
  88                                                                 otherValidationComponent);
  89                 }
  90
  91                 notifyValidStateChangedToParent(isValid) {
  92
  93                                 let validationParent = this.context.validationParent;
  94                                 if (validationParent) {
  95                                                 validationParent.childValidStateChanged(this, isValid);
  96                                 }
  97                 }
  98
  99                 childValidStateChanged(validationComponent, isValid) {
 100
 101                                 const currentValidState = this.state.isValid;
 102                                 if (isValid !== currentValidState) {
 103                                                 let filteredValidationComponents = this.validationComponents.filter(
 104                                                                 otherValidationComponent => validationComponent !==
 105                                                                 otherValidationComponent);
 106                                                 let newValidState = isValid &&
 107                                                                 filteredValidationComponents.every(otherValidationComponent => {
 108                                                                                 return otherValidationComponent.isValid();
 109                                                                 });
 110                                                 this.setState({isValid: newValidState, notifyParent: true});
 111                                 }
 112                 }
 113
 114                 validate() {
 115                                 let isValid = true;
 116                                 this.validationComponents.forEach(validationComponent => {
 117                                                 const isValidationComponentValid = validationComponent.validate().isValid;
 118                                                 isValid = isValidationComponentValid && isValid;
 119                                 });
 120                                 this.setState({isValid, notifyParent: false});
 121                                 return {isValid};
 122                 }
 123
 124                 componentDidUpdate(prevProps, prevState) {
 125                                 if (prevState.isValid !== this.state.isValid) {
 126                                                 if (this.state.notifyParent) {
 127                                                                 this.notifyValidStateChangedToParent(this.state.isValid);
 128                                                 }
 129                                                 this.props.onValidationStateChange(this.props.eventKey,
 130                                                                 this.state.isValid);
 131                                 }
 132                 }
 133
 134                 isValid() {
 135                                 return this.state.isValid;
 136                 }
 137
 138                 render() {
 139                                 let {children, ...tabProps} = this.props;
 140                                 return (
 141                                                 <Tab {...tabProps}>{children}</Tab>
 142                                 );
 143                 }
 144 }