ui-react/src/components/loop_viewer/svg/SvgGenerator.js

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * ONAP CLAMP
   4  * ================================================================================
   5  * Copyright (C) 2019 AT&T Intellectual Property. All rights reserved.
   6  * ================================================================================
   7  * Licensed under the Apache License, Version 2.0 (the "License");
   8  * you may not use this file except in compliance with the License.
   9  * You may obtain a copy of the License at
  10  *
  11  * http://www.apache.org/licenses/LICENSE-2.0
  12  *
  13  * Unless required by applicable law or agreed to in writing, software
  14  * distributed under the License is distributed on an "AS IS" BASIS,
  15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16  * See the License for the specific language governing permissions and
  17  * limitations under the License.
  18  * ============LICENSE_END============================================
  19  * ===================================================================
  20  *
  21  */
  22
  23 import React from 'react'
  24 import styled from 'styled-components';
  25 import { withRouter } from "react-router-dom";
  26 import LoopCache from '../../../api/LoopCache';
  27 import OnapConstant from '../../../utils/OnapConstants';
  28
  29 const DivStyled = styled.div`
  30         overflow-x: scroll;
  31     width: 100%;
  32     height: 100%;
  33 `
  34
  35 const emptySvg = (<svg> <text x="20" y="40">No LOOP (SVG)</text> </svg>);
  36
  37 class SvgGenerator extends React.Component {
  38     boxWidth = 200;
  39     boxHeight = 100;
  40     boxSpace = 50;
  41
  42     static GENERATED_FROM_INSTANCE = "INSTANCE";
  43     static GENERATED_FROM_TEMPLATE = "TEMPLATE";
  44
  45         state = {
  46                 loopCache: new LoopCache({}),
  47                 clickable: false,
  48                 generatedFrom: SvgGenerator.GENERATED_FROM_INSTANCE, // INSTANCE / TEMPLATE
  49         }
  50
  51         constructor(props) {
  52                 super(props);
  53                 this.state.loopCache = props.loopCache;
  54                 this.state.clickable = props.clickable;
  55                 this.state.generatedFrom = props.generatedFrom;
  56                 this.handleSvgClick = this.handleSvgClick.bind(this);
  57                 this.renderSvg = this.renderSvg.bind(this);
  58         }
  59
  60         shouldComponentUpdate(nextProps, nextState) {
  61                 return this.state.loopCache !== nextState.loopCache;
  62         }
  63
  64         componentWillReceiveProps(newProps) {
  65                 if (this.state.loopCache !== newProps.loopCache) {
  66                         this.setState({
  67                                 loopCache: newProps.loopCache,
  68                         });
  69                 }
  70         }
  71
  72         handleSvgClick(event) {
  73             if (this.state.clickable) {
  74             console.debug("svg click event received");
  75             var elementName = event.target.parentNode.getAttribute('policyId');
  76             console.info("SVG element clicked", elementName);
  77             if (elementName !== null) {
  78                 this.props.history.push("/policyModal/"+event.target.parentNode.getAttribute('policyType')+"/"+elementName);
  79             }
  80                 }
  81         }
  82
  83     createVesBox (xPos) {
  84         return this.createOneBox(xPos,null,null,'VES Collector','VES',null);
  85     }
  86
  87     createOneArrow(xPos) {
  88         return (
  89          <svg width={this.boxSpace} height={this.boxHeight} x={xPos}>
  90            <defs>
  91                         <marker viewBox="0 0 20 20" markerWidth="20" markerHeight="20" orient="auto" refX="8.5" refY="5" id="arrow">
  92                                 <path d="m 1 5 l 0 -3 l 7 3 l -7 3 z"
  93                                         stroke-width= "1" stroke-linecap= "butt" stroke-dasharray= "10000, 1"
  94                                         fill="#000000" stroke="#000000" />
  95                         </marker>
  96            </defs>
  97            <line x1="0" y1="50%" x2="100%" y2="50%" stroke-width="2" color="black" stroke="black" marker-end="url(#arrow)"/>
  98          </svg>
  99         );
 100     }
 101
 102     createBeginCircle(xPos, text) {
 103             return (
 104             <svg width={this.boxWidth} height={this.boxHeight} x={xPos}>
 105                 <circle cx={this.boxWidth-30} cy="50%" r="30" stroke-width="1" color="black" stroke="black" fill="#27ae60"/>
 106                 <text x={this.boxWidth-30} y="50%" text-anchor="middle" dominant-baseline="middle" textLength="20%" lengthAdjust="spacingAndGlyphs" >{text}</text>
 107             </svg>
 108             );
 109     }
 110
 111     createEndCircle(xPos, text) {
 112             return (
 113             <svg width={this.boxWidth} height={this.boxHeight} x={xPos}>
 114                 <circle cx={30} cy="50%" r="30" stroke-width="2" color="black" stroke="black" fill="#27ae60"/>
 115                 <text x={30} y="50%" text-anchor="middle" dominant-baseline="middle" textLength="20%" lengthAdjust="spacingAndGlyphs" >{text}</text>
 116             </svg>
 117             );
 118     }
 119
 120     createOneBox(xPos, policyId, loopElementModelId , name, title, policyType) {
 121         return (
 122         <svg width={this.boxWidth} height={this.boxHeight} x={xPos} title="test">
 123             <g policyId={policyId} loopElementModelId={loopElementModelId} policyType={policyType}>
 124                 <rect width="100%" height="100%" stroke-width="2" color="black" stroke="black" fill="#1abc9c"/>
 125                 <text x="50%" y="15%" color="white" fill="white" dominant-baseline="middle" text-anchor="middle" textLength="50%" lengthAdjust="spacingAndGlyphs">{title}</text>
 126                 <text x="50%" y="50%" text-anchor="middle" dominant-baseline="middle" textLength="80%" lengthAdjust="spacingAndGlyphs" >{name}</text>
 127                 <text x="50%" y="80%" text-anchor="middle" dominant-baseline="middle" textLength="110%" lengthAdjust="spacingAndGlyphs" >{policyId}</text>
 128             </g>
 129         </svg>
 130         );
 131     }
 132
 133     createSvgFromTemplate() {
 134         const allElements = [];
 135         var xPos = 0;
 136
 137         allElements.push(this.createBeginCircle(xPos,"Start"))
 138         xPos+=(this.boxWidth+this.boxSpace);
 139
 140         allElements.push(this.createOneArrow(xPos-this.boxSpace));
 141
 142         allElements.push(this.createVesBox(xPos));
 143         xPos+=(this.boxWidth+this.boxSpace);
 144
 145         allElements.push(this.createOneArrow(xPos-this.boxSpace));
 146         //createOneBox(xPos, policyId, loopElementModelId , name, title, policyType)
 147         for (var loopElement of this.state.loopCache.getAllLoopElementModels()) {
 148
 149             allElements.push(this.createOneBox(xPos,
 150                 loopElement['name'],
 151                 loopElement['name'],
 152                 loopElement['shortName'],
 153                 loopElement['loopElementType'],
 154                 loopElement['loopElementType']))
 155             xPos+=(this.boxWidth+this.boxSpace);
 156             allElements.push(this.createOneArrow(xPos-this.boxSpace));
 157         }
 158
 159         allElements.push(this.createEndCircle(xPos, "End"))
 160         xPos+=(this.boxWidth+this.boxSpace);
 161
 162         return allElements;
 163     }
 164
 165     createSvgFromInstance() {
 166         const allElements = [];
 167         var xPos = 0;
 168
 169         allElements.push(this.createBeginCircle(xPos,"Start"))
 170         xPos+=(this.boxWidth+this.boxSpace);
 171
 172         allElements.push(this.createOneArrow(xPos-this.boxSpace));
 173
 174         allElements.push(this.createVesBox(xPos));
 175         xPos+=(this.boxWidth+this.boxSpace);
 176
 177         allElements.push(this.createOneArrow(xPos-this.boxSpace));
 178
 179         for (var msPolicy in this.state.loopCache.getMicroServicePolicies()) {
 180             var loopElementModelName =  this.state.loopCache.getMicroServicePolicies()[msPolicy]['loopElementModel'];
 181             if (loopElementModelName !== undefined) {
 182                 loopElementModelName = loopElementModelName['name'];
 183             }
 184             allElements.push(this.createOneBox(xPos,
 185                 this.state.loopCache.getMicroServicePolicies()[msPolicy]['name'],
 186                 loopElementModelName,
 187                 this.state.loopCache.getMicroServicePolicies()[msPolicy]['policyModel']['policyAcronym'],
 188                 'microservice',
 189                 OnapConstant.microServiceType))
 190             xPos+=(this.boxWidth+this.boxSpace);
 191             allElements.push(this.createOneArrow(xPos-this.boxSpace));
 192         }
 193
 194         for (var opPolicy in this.state.loopCache.getOperationalPolicies()) {
 195             loopElementModelName =  this.state.loopCache.getOperationalPolicies()[opPolicy]['loopElementModel'];
 196             if (loopElementModelName !== undefined) {
 197                 loopElementModelName = loopElementModelName['name'];
 198             }
 199             allElements.push(this.createOneBox(xPos,
 200                 this.state.loopCache.getOperationalPolicies()[opPolicy]['name'],
 201                 loopElementModelName,
 202                 this.state.loopCache.getOperationalPolicies()[opPolicy]['policyModel']['policyAcronym'],
 203                 'operational',
 204                 OnapConstant.operationalPolicyType))
 205             xPos+=(this.boxWidth+this.boxSpace);
 206             allElements.push(this.createOneArrow(xPos-this.boxSpace));
 207         }
 208
 209         allElements.push(this.createEndCircle(xPos, "End"))
 210         xPos+=(this.boxWidth+this.boxSpace);
 211
 212         return allElements;
 213     }
 214
 215     renderSvg() {
 216         if (this.state.loopCache.getLoopName() === undefined) {
 217             return [emptySvg];
 218         }
 219         if (this.state.generatedFrom === SvgGenerator.GENERATED_FROM_INSTANCE) {
 220             return this.createSvgFromInstance();
 221         } else if (this.state.generatedFrom === SvgGenerator.GENERATED_FROM_TEMPLATE) {
 222             return this.createSvgFromTemplate();
 223         }
 224     }
 225
 226     render() {
 227         var allTheElements = this.renderSvg();
 228         var svgWidth = this.boxWidth*allTheElements.length;
 229         var svgHeight = this.boxHeight+100;
 230         return (
 231             <DivStyled onClick={this.handleSvgClick} >
 232                 <svg height={svgHeight} width={svgWidth}  preserveAspectRatio="none">
 233                     {allTheElements}
 234                 </svg>
 235             </DivStyled>
 236         );
 237     }
 238 }
 239
 240 export default withRouter(SvgGenerator);