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| @@ -0,0 +1,117 @@ | ||
| /** | ||
| * Copyright 2025 Sourcepole AG | ||
| * 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 React from 'react'; | ||
| import {connect} from 'react-redux'; | ||
|
|
||
| import PropTypes from 'prop-types'; | ||
| import {setCurrentTask} from 'qwc2/actions/task'; | ||
| import ResizeableWindow from 'qwc2/components/ResizeableWindow'; | ||
| import LayerUtils from 'qwc2/utils/LayerUtils'; | ||
| import LocaleUtils from 'qwc2/utils/LocaleUtils'; | ||
| import MapUtils from 'qwc2/utils/MapUtils'; | ||
| import MiscUtils from 'qwc2/utils/MiscUtils'; | ||
|
|
||
|
|
||
| class LegendPrint extends React.Component { | ||
| static propTypes = { | ||
| /** Whether to display a BBOX dependent legend. Can be `true|false|"theme"`, latter means only for theme layers. */ | ||
| bboxDependentLegend: PropTypes.oneOfType([PropTypes.bool, PropTypes.string]), | ||
| enabled: PropTypes.bool, | ||
| /** Additional parameters to pass to the GetLegendGraphics request. */ | ||
| extraLegendParameters: PropTypes.string, | ||
| layers: PropTypes.array, | ||
| map: PropTypes.object, | ||
| mapScale: PropTypes.number, | ||
| /** Whether to display a scale dependent legend. Can be `true|false|"theme"`, latter means only for theme layers. */ | ||
| scaleDependentLegend: PropTypes.oneOfType([PropTypes.bool, PropTypes.string]), | ||
| setCurrentTask: PropTypes.func, | ||
| /** Template location for the legend print functionality */ | ||
| templatePath: PropTypes.string | ||
| }; | ||
| static defaultProps = { | ||
| templatePath: ":/templates/legendprint.html" | ||
| }; | ||
| render() { | ||
| if (!this.props.enabled) { | ||
| return null; | ||
| } | ||
| const setLegendPrintContents = (el) => { | ||
| if (!el) { | ||
| return; | ||
| } | ||
| el.addEventListener('load', () => { | ||
| const container = el.contentWindow.document.getElementById("legendcontainer"); | ||
| if (container) { | ||
| let body = '<p id="legendcontainerbody">'; | ||
| body += this.props.layers.map(layer => { | ||
| if (!layer.visibility) { | ||
| return ""; | ||
| } else if (layer.legendUrl) { | ||
| return this.printLayerLegend(layer, layer); | ||
| } else if (layer.color) { | ||
| return '<div class="legend-entry"><span style="display: inline-block; width: 1em; height: 1em; box-shadow: inset 0 0 0 1000px ' + layer.color + '; margin: 0.25em; border: 1px solid black;"> </span>' + (layer.title || layer.name) + '</div>'; | ||
| } else { | ||
| return ""; | ||
| } | ||
| }).join(""); | ||
| body += "</p>"; | ||
| container.innerHTML = body; | ||
| } else { | ||
| this.legendPrintWindow.document.body.innerHTML = "Broken template. An element with id=legendcontainer must exist."; | ||
| } | ||
| }); | ||
| }; | ||
| const printLegend = (ev) => { | ||
| ev.target.parentElement.parentElement.getElementsByTagName('iframe')[0].contentWindow.print(); | ||
| }; | ||
|
|
||
| return ( | ||
| <ResizeableWindow icon="print" initialHeight={0.75 * window.innerHeight} | ||
| initialWidth={0.5 * window.innerWidth} | ||
| onClose={() => this.props.setCurrentTask(null)} | ||
| title={LocaleUtils.tr("layertree.printlegend")} | ||
| > | ||
| <div className="layertree-legend-print-body" role="body"> | ||
| <iframe ref={setLegendPrintContents} src={MiscUtils.resolveAssetsPath(this.props.templatePath)} /> | ||
| <div className="layertree-legend-print-body-buttonbar"> | ||
| <button onClick={printLegend}>{LocaleUtils.tr("layertree.printlegend")}</button> | ||
| </div> | ||
| </div> | ||
| </ResizeableWindow> | ||
| ); | ||
| } | ||
| printLayerLegend = (layer, sublayer) => { | ||
| let body = ""; | ||
| if (sublayer.sublayers) { | ||
| if (sublayer.visibility) { | ||
| body = '<div class="legend-group">' + | ||
| '<h3 class="legend-group-title">' + (sublayer.title || sublayer.name) + '</h3>' + | ||
| '<div class="legend-group-body">' + | ||
| sublayer.sublayers.map(subsublayer => this.printLayerLegend(layer, subsublayer)).join("\n") + | ||
| '</div>' + | ||
| '</div>'; | ||
| } | ||
| } else { | ||
| if (sublayer.visibility && LayerUtils.layerScaleInRange(sublayer, this.props.mapScale)) { | ||
| const request = LayerUtils.getLegendUrl(layer, {name: sublayer.name}, this.props.mapScale, this.props.map, this.props.bboxDependentLegend, this.props.scaleDependentLegend, this.props.extraLegendParameters); | ||
| body = request ? '<div class="legend-entry"><img src="' + request + '" /></div>' : ""; | ||
| } | ||
| } | ||
| return body; | ||
| }; | ||
| } | ||
|
|
||
| export default connect(state => ({ | ||
| enabled: state.task.id === "LegendPrint", | ||
| layers: state.layers.flat, | ||
| map: state.map, | ||
| mapScale: MapUtils.computeForZoom(state.map.scales, state.map.zoom) | ||
| }), { | ||
| setCurrentTask: setCurrentTask | ||
| })(LegendPrint); |
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