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/*-
* ============LICENSE_START=======================================================
* ONAP POLICY-CLAMP
* ================================================================================
* Copyright (C) 2021 AT&T Intellectual Property. All rights
* reserved.
* ================================================================================
* 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============================================
* ===================================================================
*
*/
import React, { forwardRef } from 'react'
import TreeView from '@material-ui/lab/TreeView';
import TreeItem from '@material-ui/lab/TreeItem';
import FolderIcon from '@material-ui/icons/Folder';
import FolderOpenIcon from '@material-ui/icons/FolderOpen';
import DescriptionIcon from '@material-ui/icons/Description';
export default class PoliciesTreeViewer extends React.Component {
separator = ".";
nodesList = new Map();
constructor(props, context) {
super(props, context);
this.createPoliciesTree = this.createPoliciesTree.bind(this);
this.handleTreeItemClick = this.handleTreeItemClick.bind(this);
this.buildNameWithParent = this.buildNameWithParent.bind(this);
}
state = {
policiesTreeData: this.createPoliciesTree(this.props.policiesData),
}
componentDidUpdate(prevProps) {
if (prevProps.policiesData !== this.props.policiesData) {
this.setState({ policiesTreeData: this.createPoliciesTree(this.props.policiesData) })
}
}
createPoliciesTree(policiesArray) {
// put my policies array in a Json
let nodeId = 1;
let root = { id: nodeId, policyCount: 0, name: "ROOT", children: [], parent: undefined };
this.nodesList.set(nodeId++, root);
policiesArray.forEach(policy => {
let currentTreeNode = root;
policy[this.props.valueForTreeCreation].split(this.separator).forEach((policyNamePart, index, policyNamePartsArray) => {
let node = currentTreeNode["children"].find(element => element.name === policyNamePart);
if (typeof (node) === "undefined") {
node = { id: nodeId, policyCount: 0, children: [], name: policyNamePart, parent: currentTreeNode };
this.nodesList.set(nodeId++, node);
currentTreeNode["children"].push(node);
}
if ((index + 1) === policyNamePartsArray.length) {
++currentTreeNode["policyCount"];
}
currentTreeNode = node;
})
})
return root;
}
buildNameWithParent(node) {
let nameToBuild = node.name;
if (node.parent !== undefined) {
nameToBuild = this.buildNameWithParent(node.parent) + this.separator + node.name;
}
return nameToBuild;
}
handleTreeItemClick(event, value) {
let fullName = this.buildNameWithParent(this.nodesList.get(value[0])).substring(5);
this.props.policiesFilterFunction(fullName);
}
renderTreeItems(nodes) {
return (<TreeItem key={ nodes.id } nodeId={ nodes.id } label={ nodes.name + "(" + nodes.policyCount + ")" } onNodeSelect={ this.handleTreeItemClick }>
{
Array.isArray(nodes.children) ? nodes.children.map((node) => this.renderTreeItems(node)) : null
}
</TreeItem>);
};
render() {
return (
<TreeView defaultExpanded={ ['root'] } defaultCollapseIcon={ <FolderOpenIcon/> }
defaultExpandIcon={ <FolderIcon/> } defaultEndIcon={ <DescriptionIcon/> } onNodeSelect={ this.handleTreeItemClick } multiSelect>
{ this.renderTreeItems(this.state.policiesTreeData) }
</TreeView>
);
}
}
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