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                 console.debug("svg click event received");
  74                 if (this.state.clickable) {
  75                         var elementName = event.target.parentNode.getAttribute('policyId');
  76                         console.info("SVG element clicked", elementName);
  77                         // Only allow movement to policy editing IF there busyLoadingCOunt is 0,
  78                         // meaning we are not waiting for refreshStatus to complete, for example
  79                         if (elementName !== null && !this.props.isBusyLoading()) {
  80                                 this.props.history.push("/policyModal/"+event.target.parentNode.getAttribute('policyType')+"/"+elementName);
  81                         }
  82                 }
  83         }
  84
  85     createVesBox (xPos) {
  86         return this.createOneBox(xPos,null,null,'VES Collector','VES',null);
  87     }
  88
  89     createOneArrow(xPos) {
  90         return (
  91          <svg width={this.boxSpace} height={this.boxHeight} x={xPos}>
  92            <defs>
  93                         <marker viewBox="0 0 20 20" markerWidth="20" markerHeight="20" orient="auto" refX="8.5" refY="5" id="arrow">
  94                                 <path d="m 1 5 l 0 -3 l 7 3 l -7 3 z"
  95                                         stroke-width= "1" stroke-linecap= "butt" stroke-dasharray= "10000, 1"
  96                                         fill="#000000" stroke="#000000" />
  97                         </marker>
  98            </defs>
  99            <line x1="0" y1="50%" x2="100%" y2="50%" stroke-width="2" color="black" stroke="black" marker-end="url(#arrow)"/>
 100          </svg>
 101         );
 102     }
 103
 104     createBeginCircle(xPos, text) {
 105             return (
 106             <svg width={this.boxWidth} height={this.boxHeight} x={xPos}>
 107                 <circle cx={this.boxWidth-30} cy="50%" r="30" stroke-width="1" color="black" stroke="black" fill="#27ae60"/>
 108                 <text x={this.boxWidth-30} y="50%" text-anchor="middle" dominant-baseline="middle" textLength="20%" lengthAdjust="spacingAndGlyphs" >{text}</text>
 109             </svg>
 110             );
 111     }
 112
 113     createEndCircle(xPos, text) {
 114             return (
 115             <svg width={this.boxWidth} height={this.boxHeight} x={xPos}>
 116                 <circle cx={30} cy="50%" r="30" stroke-width="2" color="black" stroke="black" fill="#27ae60"/>
 117                 <text x={30} y="50%" text-anchor="middle" dominant-baseline="middle" textLength="20%" lengthAdjust="spacingAndGlyphs" >{text}</text>
 118             </svg>
 119             );
 120     }
 121
 122     createOneBox(xPos, policyId, loopElementModelId , name, title, policyType) {
 123         return (
 124         <svg width={this.boxWidth} height={this.boxHeight} x={xPos} title="test">
 125             <g policyId={policyId} loopElementModelId={loopElementModelId} policyType={policyType}>
 126                 <rect width="100%" height="100%" stroke-width="2" color="black" stroke="black" fill="#1abc9c"/>
 127                 <text x="50%" y="15%" color="white" fill="white" dominant-baseline="middle" text-anchor="middle" textLength="50%" lengthAdjust="spacingAndGlyphs">{title}</text>
 128                 <text x="50%" y="50%" text-anchor="middle" dominant-baseline="middle" textLength="80%" lengthAdjust="spacingAndGlyphs" >{name}</text>
 129                 <text x="50%" y="80%" text-anchor="middle" dominant-baseline="middle" textLength="110%" lengthAdjust="spacingAndGlyphs" >{policyId}</text>
 130             </g>
 131         </svg>
 132         );
 133     }
 134
 135     createSvgFromTemplate() {
 136         const allElements = [];
 137         var xPos = 0;
 138
 139         allElements.push(this.createBeginCircle(xPos,"Start"))
 140         xPos+=(this.boxWidth+this.boxSpace);
 141
 142         allElements.push(this.createOneArrow(xPos-this.boxSpace));
 143
 144         allElements.push(this.createVesBox(xPos));
 145         xPos+=(this.boxWidth+this.boxSpace);
 146
 147         allElements.push(this.createOneArrow(xPos-this.boxSpace));
 148         //createOneBox(xPos, policyId, loopElementModelId , name, title, policyType)
 149         for (var loopElement of this.state.loopCache.getAllLoopElementModels()) {
 150
 151             allElements.push(this.createOneBox(xPos,
 152                 loopElement['name'],
 153                 loopElement['name'],
 154                 loopElement['shortName'],
 155                 loopElement['loopElementType'],
 156                 loopElement['loopElementType']))
 157             xPos+=(this.boxWidth+this.boxSpace);
 158             allElements.push(this.createOneArrow(xPos-this.boxSpace));
 159         }
 160
 161         allElements.push(this.createEndCircle(xPos, "End"))
 162         xPos+=(this.boxWidth+this.boxSpace);
 163
 164         return allElements;
 165     }
 166
 167     createSvgFromInstance() {
 168         const allElements = [];
 169         var xPos = 0;
 170
 171         allElements.push(this.createBeginCircle(xPos,"Start"))
 172         xPos+=(this.boxWidth+this.boxSpace);
 173
 174         allElements.push(this.createOneArrow(xPos-this.boxSpace));
 175
 176         allElements.push(this.createVesBox(xPos));
 177         xPos+=(this.boxWidth+this.boxSpace);
 178
 179         allElements.push(this.createOneArrow(xPos-this.boxSpace));
 180
 181         for (var msPolicy in this.state.loopCache.getMicroServicePolicies()) {
 182             var loopElementModelName =  this.state.loopCache.getMicroServicePolicies()[msPolicy]['loopElementModel'];
 183             if (loopElementModelName !== undefined) {
 184                 loopElementModelName = loopElementModelName['name'];
 185             }
 186             allElements.push(this.createOneBox(xPos,
 187                 this.state.loopCache.getMicroServicePolicies()[msPolicy]['name'],
 188                 loopElementModelName,
 189                 this.state.loopCache.getMicroServicePolicies()[msPolicy]['policyModel']['policyAcronym'],
 190                 'microservice',
 191                 OnapConstant.microServiceType))
 192             xPos+=(this.boxWidth+this.boxSpace);
 193             allElements.push(this.createOneArrow(xPos-this.boxSpace));
 194         }
 195
 196         for (var opPolicy in this.state.loopCache.getOperationalPolicies()) {
 197             loopElementModelName =  this.state.loopCache.getOperationalPolicies()[opPolicy]['loopElementModel'];
 198             if (loopElementModelName !== undefined) {
 199                 loopElementModelName = loopElementModelName['name'];
 200             }
 201             allElements.push(this.createOneBox(xPos,
 202                 this.state.loopCache.getOperationalPolicies()[opPolicy]['name'],
 203                 loopElementModelName,
 204                 this.state.loopCache.getOperationalPolicies()[opPolicy]['policyModel']['policyAcronym'],
 205                 'operational',
 206                 OnapConstant.operationalPolicyType))
 207             xPos+=(this.boxWidth+this.boxSpace);
 208             allElements.push(this.createOneArrow(xPos-this.boxSpace));
 209         }
 210
 211         allElements.push(this.createEndCircle(xPos, "End"))
 212         xPos+=(this.boxWidth+this.boxSpace);
 213
 214         return allElements;
 215     }
 216
 217     renderSvg() {
 218         if (this.state.loopCache.getLoopName() === undefined) {
 219             return [emptySvg];
 220         }
 221         if (this.state.generatedFrom === SvgGenerator.GENERATED_FROM_INSTANCE) {
 222             return this.createSvgFromInstance();
 223         } else if (this.state.generatedFrom === SvgGenerator.GENERATED_FROM_TEMPLATE) {
 224             return this.createSvgFromTemplate();
 225         }
 226     }
 227
 228     render() {
 229         var allTheElements = this.renderSvg();
 230         var svgWidth = this.boxWidth*allTheElements.length;
 231         var svgHeight = this.boxHeight+100;
 232         return (
 233             <DivStyled onClick={this.handleSvgClick} >
 234                 <svg height={svgHeight} width={svgWidth}  preserveAspectRatio="none">
 235                     {allTheElements}
 236                 </svg>
 237             </DivStyled>
 238         );
 239     }
 240 }
 241
 242 export default withRouter(SvgGenerator);