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geosolutions-it#10026: Interactive legend for TOC layers
Description: - Adding interactive legend for wms layers - Add checkbox for enable the interactive legend for wms into layer settings and for the catalog as well
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135 changes: 135 additions & 0 deletions
135
web/client/components/TOC/fragments/StyleBasedWMSJsonLegend.jsx
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,135 @@ | ||
| /** | ||
| * Copyright 2015, GeoSolutions Sas. | ||
| * All rights reserved. | ||
| * | ||
| * This source code is licensed under the BSD-style license found in the | ||
| * LICENSE file in the root directory of this source tree. | ||
| */ | ||
|
|
||
| import urlUtil from 'url'; | ||
|
|
||
| import { isArray, isNil } from 'lodash'; | ||
| import assign from 'object-assign'; | ||
| import PropTypes from 'prop-types'; | ||
| import React from 'react'; | ||
| import Loader from '../../misc/Loader'; | ||
| import WMSJsonLegendIcon from '../../styleeditor/WMSJsonLegendIcon'; | ||
| import { | ||
| addAuthenticationParameter, | ||
| addAuthenticationToSLD, | ||
| clearNilValuesForParams | ||
| } from '../../../utils/SecurityUtils'; | ||
| import { getJsonWMSLegend } from '../../../api/WMS'; | ||
| import Message from '../../I18N/Message'; | ||
|
|
||
| class Legend extends React.Component { | ||
| static propTypes = { | ||
| layer: PropTypes.object, | ||
| legendHeight: PropTypes.number, | ||
| legendWidth: PropTypes.number, | ||
| legendOptions: PropTypes.string, | ||
| style: PropTypes.object, | ||
| currentZoomLvl: PropTypes.number, | ||
| scales: PropTypes.array, | ||
| scaleDependent: PropTypes.bool, | ||
| language: PropTypes.string, | ||
| onLayerFilterByLegend: PropTypes.func | ||
| }; | ||
|
|
||
| static defaultProps = { | ||
| legendHeight: 12, | ||
| legendWidth: 12, | ||
| legendOptions: "forceLabels:on", | ||
| style: {maxWidth: "100%"}, | ||
| scaleDependent: true, | ||
| onLayerFilterByLegend: () => {} | ||
| }; | ||
| state = { | ||
| error: false, | ||
| loading: false, | ||
| jsonLegend: {} | ||
| } | ||
| componentDidMount() { | ||
| let jsonLegendUrl = this.getUrl(this.props); | ||
| getJsonWMSLegend(jsonLegendUrl).then(data => { | ||
| this.setState({ jsonLegend: data[0], loading: false }); | ||
| }).catch(() => { | ||
| this.setState({ error: true, loading: false }); | ||
| }); | ||
| } | ||
|
|
||
| getScale = (props) => { | ||
| if (props.scales && props.currentZoomLvl !== undefined && props.scaleDependent) { | ||
| const zoom = Math.round(props.currentZoomLvl); | ||
| const scale = props.scales[zoom] ?? props.scales[props.scales.length - 1]; | ||
| return Math.round(scale); | ||
| } | ||
| return null; | ||
| }; | ||
| getUrl = (props, urlIdx) => { | ||
| if (props.layer && props.layer.type === "wms" && props.layer.url) { | ||
| const layer = props.layer; | ||
| const idx = !isNil(urlIdx) ? urlIdx : isArray(layer.url) && Math.floor(Math.random() * layer.url.length); | ||
|
|
||
| const url = isArray(layer.url) ? | ||
| layer.url[idx] : | ||
| layer.url.replace(/[?].*$/g, ''); | ||
|
|
||
| let urlObj = urlUtil.parse(url); | ||
|
|
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| const cleanParams = clearNilValuesForParams(layer.params); | ||
| const scale = this.getScale(props); | ||
| let query = assign({}, { | ||
| service: "WMS", | ||
| request: "GetLegendGraphic", | ||
| format: "application/json", | ||
| height: props.legendHeight, | ||
| width: props.legendWidth, | ||
| layer: layer.name, | ||
| style: layer.style || null, | ||
| version: layer.version || "1.3.0", | ||
| SLD_VERSION: "1.1.0", | ||
| LEGEND_OPTIONS: props.legendOptions | ||
| }, layer.legendParams || {}, | ||
| props.language && layer.localizedLayerStyles ? {LANGUAGE: props.language} : {}, | ||
| addAuthenticationToSLD(cleanParams || {}, props.layer), | ||
| cleanParams && cleanParams.SLD_BODY ? {SLD_BODY: cleanParams.SLD_BODY} : {}, | ||
| scale !== null ? { SCALE: scale } : {}); | ||
| addAuthenticationParameter(url, query); | ||
|
|
||
| return urlUtil.format({ | ||
| host: urlObj.host, | ||
| protocol: urlObj.protocol, | ||
| pathname: urlObj.pathname, | ||
| query: query | ||
| }); | ||
| } | ||
| return ''; | ||
| } | ||
| renderRules = (rules) => { | ||
| const isLegendFilterIncluded = this.props.layer?.layerFilter?.filters?.find(f=>f.id === 'interactiveLegend'); | ||
| const prevFilter = isLegendFilterIncluded ? isLegendFilterIncluded?.filters?.[0]?.id : ''; | ||
| const filterWMSLayerHandler = (filter) => { | ||
| if (!filter) return; | ||
| this.props.onLayerFilterByLegend(this.props.layer.id, 'layers', filter === prevFilter ? '' : filter); | ||
| }; | ||
| return (rules || []).map((rule) => { | ||
| return (<div className={`wms-json-legend-rule ${rule.filter && prevFilter === rule.filter ? 'active' : ''}`} key={rule.filter} onClick={() => filterWMSLayerHandler(rule.filter)}> | ||
| <WMSJsonLegendIcon rule={rule} /> | ||
| <span>{rule.name || rule.title || ''}</span> | ||
| </div>); | ||
| }); | ||
| }; | ||
| render() { | ||
| if (!this.state.error && this.props.layer && this.props.layer.type === "wms" && this.props.layer.url) { | ||
| return <> | ||
| <div className="wms-legend" style={this.props.style}> | ||
| { this.state.loading ? <Loader size={12} style={{display: 'inline-block'}} /> : this.renderRules(this.state.jsonLegend?.rules || [])} | ||
| </div> | ||
| </>; | ||
| } | ||
| return <Message msgId="layerProperties.legenderror" />; | ||
| } | ||
| } | ||
|
|
||
| export default Legend; |
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