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/*
* ============LICENSE_START=======================================================
* org.onap.aai
* ================================================================================
* Copyright © 2019-2020 Orange 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 from 'react';
import './app.css';
import Graph from './graph.js';
import GraphSettingsMenu from './graph_settings_menu.js';
import GraphInfoMenu from './graph_info_menu.js';
import _ from 'underscore';
import { nodeProperty, edgeProperty } from './requests.js';
import * as constants from './constants.js';
var emptyState = {
// currently selected schema
selectedSchema: '',
graph: {
// names of nodes
nodeNames: [],
// edges (each edge has source, target, type and a list of key value properties for tooltip)
edges: [],
// all paths between start node and end node
paths: []
},
// properties of currently thing (edge or node)
displayedProperties: [],
// possible states:
// CLICKED - the currently selected node
// PATH - currently displayed path
nodeStates: {},
// array index to paths i.e. which path from paths is currently displayed
pathIndex: 0,
// defines currently selected edge like a js object - {source: "pserver", target: "vserver"}
selectedEdge: { source: 'none', target: 'none' }
};
class App extends React.Component {
constructor (props, context) {
super(props, context);
this.graphdata = this.graphdata.bind(this);
this.changePaths = this.changePaths.bind(this);
this.loadNodeProperties = this.loadNodeProperties.bind(this);
this.loadEdgeProperties = this.loadEdgeProperties.bind(this);
this.computeNodeStatesFromPath = this.computeNodeStatesFromPath.bind(this);
this.computeNodeStates = this.computeNodeStates.bind(this);
this.state = emptyState;
}
loadNodeProperties (nodeName) {
var s = this.state;
fetch(nodeProperty(s.selectedSchema, nodeName))
.then(response => response.json())
.then(p => {
s['displayedProperties'] = p;
s['nodeStates'] = this.computeNodeStates(s['pathIndex']);
// select node
s['nodeStates'][nodeName] = constants.CLICKED;
// unselect edge
s['selectedEdge']['source'] = '';
s['selectedEdge']['target'] = '';
this.setState(s);
});
}
loadEdgeProperties (source, target) {
var s = this.state;
fetch(edgeProperty(s.selectedSchema, source, target))
.then(response => response.json())
.then(p => {
s['displayedProperties'] = p;
// select edge
s['selectedEdge']['source'] = source;
s['selectedEdge']['target'] = target;
// unselect node
s['nodeStates'] = this.computeNodeStates(s['pathIndex']);
this.setState(s);
});
}
graphdata (data, selectedGraphSchema, graphFingerprint) {
var s = this.state;
s['selectedSchema'] = selectedGraphSchema;
s['graphFingerprint'] = graphFingerprint;
s['graph'] = data;
// TODO this should be handled more gracefully ...
if (_.isEmpty(data.edges)) {
alert('The graph has no edges, nothing to display');
}
s['displayedProperties'] = data.startNodeProperties;
if (_.isArray(data.paths) && !_.isEmpty(data.paths)) {
s['paths'] = data.paths;
s['nodeStates'] = this.computeNodeStatesFromPath(data.paths[0]);
s['pathIndex'] = 0;
} else {
s['paths'] = [];
s['nodeStates'] = {};
}
this.setState(s);
return data;
}
computeNodeStatesFromPath (path) {
return _.reduce(path, (acc, node) => {
acc[node.id] = constants.PATH;
return acc;
}, {});
}
computeNodeStates (pathIndex) {
return this.computeNodeStatesFromPath(this.state.paths[pathIndex]);
}
changePaths (pathIndex, selectedNode) {
var s = this.state;
s['pathIndex'] = pathIndex;
this.setState(s);
this.loadNodeProperties(selectedNode);
}
render () {
let n = _.invert(this.state.nodeStates)[constants.CLICKED];
let selectedNode = _.isUndefined(n) ? '' : n;
return (
<div className="App">
<GraphSettingsMenu graphData={this.graphdata} nodePropsLoader={this.loadNodeProperties} selectedNode={selectedNode}/>
<div className='graph-area'>
<Graph graphFingerprint={this.state.graphFingerprint} edgePropsLoader={this.loadEdgeProperties} selectedEdge={this.state.selectedEdge} nodes={this.state.graph.nodeNames} edges={this.state.graph.edges} nodeStates={this.state.nodeStates} nodePropsLoader={this.loadNodeProperties}/>
</div>
<GraphInfoMenu pathCallback={this.changePaths} paths={ this.state.graph.paths } nodeProperties={ this.state.displayedProperties}/>
</div>
);
}
}
export default App;
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