Add new component to support Tree view
Add treeview component to show subset of policies by prefix (using .)
Issue-ID: POLICY-3165
Signed-off-by: sebdet <sebastien.determe@intl.att.com>
Change-Id: I1365695f03086beda36a6bafddd9ad0f52944b6d
diff --git a/ui-react/src/components/dialogs/Policy/PoliciesTreeViewer.js b/ui-react/src/components/dialogs/Policy/PoliciesTreeViewer.js
new file mode 100644
index 0000000..9c2f102
--- /dev/null
+++ b/ui-react/src/components/dialogs/Policy/PoliciesTreeViewer.js
@@ -0,0 +1,109 @@
+/*-
+ * ============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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