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

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