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| 1 | +<!--******************************************************************** |
| 2 | +* Copyright© 2000 - 2026 SuperMap Software Co.Ltd. All rights reserved. |
| 3 | +*********************************************************************--> |
| 4 | +<!DOCTYPE html> |
| 5 | +<html> |
| 6 | +<head> |
| 7 | + <meta charset="UTF-8"> |
| 8 | + <title data-i18n="resources.title_layerService"></title> |
| 9 | + <style> |
| 10 | + #layersList, |
| 11 | + #mapLegend { |
| 12 | + max-height: calc(40vh - 55px); |
| 13 | + overflow: auto; |
| 14 | + font-size: 12px; |
| 15 | + text-wrap: nowrap; |
| 16 | + } |
| 17 | + |
| 18 | + #layersList label { |
| 19 | + font-weight: 400; |
| 20 | + } |
| 21 | + |
| 22 | + .layer-group { |
| 23 | + padding: 4px 0; |
| 24 | + } |
| 25 | + |
| 26 | + .layer-group::before { |
| 27 | + width: 10px; |
| 28 | + height: 10px; |
| 29 | + display: inline-block; |
| 30 | + margin-right: 6px; |
| 31 | + background: url(../img/arrowDown.png) no-repeat center center / contain; |
| 32 | + content: ''; |
| 33 | + } |
| 34 | + |
| 35 | + .layer-group[aria-expanded='true']::before { |
| 36 | + rotate: 180deg; |
| 37 | + } |
| 38 | + |
| 39 | + .legend-wrapper { |
| 40 | + padding-left: 12px; |
| 41 | + } |
| 42 | + |
| 43 | + </style> |
| 44 | +</head> |
| 45 | + |
| 46 | +<body style=" margin: 0;overflow: hidden;background: #fff;width: 100%;height:100%;position: absolute;top: 0;"> |
| 47 | + <div id="map" style="width: 100%;height:100%"></div> |
| 48 | + <div style="z-index: 999;position: absolute;width:250px;top:0;right:0"> |
| 49 | + <div class="panel panel-primary" style="width:250px;margin-top: 20px;position: absolute;float:right"> |
| 50 | + <div class="panel-heading"> |
| 51 | + <h5 class='panel-title text-center'> |
| 52 | + <span data-i18n="resources.text_layerList"></span> |
| 53 | + </h5> |
| 54 | + </div> |
| 55 | + <div class="panel-body" id="layersList"></div> |
| 56 | + <div class="panel-footer"> |
| 57 | + <input class="btn btn-default" type="button" onclick="createLegend()" data-i18n="[value]resources.btn_getLegend"/> |
| 58 | + </div> |
| 59 | + </div> |
| 60 | + <div class="panel panel-primary legend" style="width:250px;margin-top: 50vh;position: absolute;float:right;"> |
| 61 | + <div class="panel-heading"> |
| 62 | + <h5 class='panel-title text-center'> |
| 63 | + <span data-i18n="resources.text_legend"></span> |
| 64 | + </h5> |
| 65 | + </div> |
| 66 | + <div class="panel-body" id="mapLegend"></div> |
| 67 | + </div> |
| 68 | + </div> |
| 69 | + |
| 70 | + <script type="text/javascript" include="bootstrap" src="../../js/include-web.js" ></script> |
| 71 | + <script type="text/javascript" src="../../../dist/leaflet/include-leaflet.js" ></script> |
| 72 | + <script type="text/javascript"> |
| 73 | + var url = (window.isLocal ? window.server : "https://iserver.supermap.io") + "/iserver/services/map-London/rest/maps/London%20Map"; |
| 74 | + var map = L.map('map', { |
| 75 | + preferCanvas: true, |
| 76 | + center: [51.5, -0.1], |
| 77 | + maxZoom: 18, |
| 78 | + zoom: 11 |
| 79 | + }); |
| 80 | + new L.supermap.TiledMapLayer(url).addTo(map); |
| 81 | + getLayers(); |
| 82 | + |
| 83 | + function createLayersDom(layers, parentDom, layerName, depth) { |
| 84 | + depth = depth || 0; |
| 85 | + layers.map(function (layer) { |
| 86 | + var fullLayerName = layerName || ''; |
| 87 | + if (Object.keys(layer.subLayers).length) { |
| 88 | + fullLayerName = '@@' + layer.name + fullLayerName; |
| 89 | + var groupWrapper = document.createElement('div'); |
| 90 | + var layerGroup = document.createElement('div'); |
| 91 | + layerGroup.innerHTML = layer.name; |
| 92 | + layerGroup.className = 'layer-group'; |
| 93 | + layerGroup.setAttribute('data-toggle', 'collapse'); |
| 94 | + layerGroup.setAttribute('data-target', '#' + layer.name.replace(/#/g, '_')); |
| 95 | + groupWrapper.appendChild(layerGroup); |
| 96 | + |
| 97 | + parentDom.appendChild(groupWrapper); |
| 98 | + var collapse = document.createElement('div'); |
| 99 | + collapse.id = layer.name.replace(/#/g, '_'); |
| 100 | + collapse.className = depth === 0 ? 'collapse in' : 'collapse'; |
| 101 | + collapse.style.paddingLeft = '18px'; |
| 102 | + groupWrapper.appendChild(collapse); |
| 103 | + createLayersDom(layer.subLayers.layers, collapse, fullLayerName, depth + 1); |
| 104 | + } else { |
| 105 | + var checkbox = document.createElement('input'); |
| 106 | + checkbox.id = layer.name; |
| 107 | + checkbox.type = 'checkbox'; |
| 108 | + checkbox.value = layer.name + fullLayerName; |
| 109 | + var label = document.createElement('label'); |
| 110 | + label.textContent = layer.name; |
| 111 | + label.style.marginLeft = "8px" |
| 112 | + label.setAttribute('for', checkbox.id); |
| 113 | + parentDom.appendChild(checkbox); |
| 114 | + parentDom.appendChild(label); |
| 115 | + // Initialize, default get Motorway, Trunk, Park, River layer legend |
| 116 | + if (checkbox.value === "Motorway_L@London@@LayerGroup#1@@London Map" || |
| 117 | + checkbox.value === "Trunk_L@London@@LayerGroup#1@@London Map" || |
| 118 | + checkbox.value === "Park_R@London@@LayerGroup#1@@London Map" || |
| 119 | + checkbox.value === "River_R@London@@LayerGroup#1@@London Map") { |
| 120 | + checkbox.checked = true; |
| 121 | + } |
| 122 | + var brElement = document.createElement('br'); |
| 123 | + parentDom.appendChild(brElement); |
| 124 | + } |
| 125 | + }); |
| 126 | + } |
| 127 | + |
| 128 | + function getLayers() { |
| 129 | + new L.supermap.LayerInfoService(url).getLayersInfo(function (serviceResult) { |
| 130 | + var layers = serviceResult.result.subLayers.layers; |
| 131 | + var parentDom = document.getElementById('layersList'); |
| 132 | + var layerName = '@@' + serviceResult.result.name; |
| 133 | + createLayersDom(layers, parentDom, layerName); |
| 134 | + createLegend(); |
| 135 | + }); |
| 136 | + } |
| 137 | + |
| 138 | + function createLegendDom(layerLegends, parentDom) { |
| 139 | + layerLegends.forEach(function (layerLegend) { |
| 140 | + var legendWrapper = document.createElement('div'); |
| 141 | + legendWrapper.className = 'legend-wrapper'; |
| 142 | + var layerName = document.createElement('div'); |
| 143 | + layerName.innerHTML = layerLegend.layerName; |
| 144 | + parentDom.appendChild(layerName); |
| 145 | + parentDom.appendChild(legendWrapper); |
| 146 | + layerLegend.legends.forEach(function (legend) { |
| 147 | + var legendItem = document.createElement('div'); |
| 148 | + var legendPic = document.createElement('img'); |
| 149 | + var legendLabel = document.createElement('label'); |
| 150 | + legendLabel.innerHTML = legend.label; |
| 151 | + legendLabel.style.marginLeft = "4px" |
| 152 | + // legendPic.src = legend.url; |
| 153 | + legendPic.src = 'data:image/png;base64,' + legend.imageData; |
| 154 | + legendItem.appendChild(legendPic); |
| 155 | + legendItem.appendChild(legendLabel); |
| 156 | + legendWrapper.appendChild(legendItem); |
| 157 | + }); |
| 158 | + if (layerLegend.subLayerLegends) { |
| 159 | + createLegendDom(layerLegend.subLayerLegends, legendWrapper); |
| 160 | + } |
| 161 | + }) |
| 162 | + } |
| 163 | + |
| 164 | + function createLegend() { |
| 165 | + var legendContainer = document.getElementById("mapLegend"); |
| 166 | + legendContainer.innerHTML = '' |
| 167 | + // Get all selected layers and concatenate into parameters |
| 168 | + var checkboxes = document.querySelectorAll('#layersList input[type="checkbox"]') |
| 169 | + var layers = ""; |
| 170 | + checkboxes.forEach((checkbox) => { |
| 171 | + if (checkbox.checked) { |
| 172 | + layers += checkbox.value + "," |
| 173 | + } |
| 174 | + }); |
| 175 | + |
| 176 | + // Send request to get legend |
| 177 | + var getLayersLegendInfoParams = new L.supermap.GetLayersLegendInfoParameters({ |
| 178 | + // bbox or layers parameter must be set at least one |
| 179 | + // bbox: "114.59,37.76,119.51,42.31", |
| 180 | + layers: "show:" + layers, |
| 181 | + width: 18, |
| 182 | + height: 18 |
| 183 | + }) |
| 184 | + new L.supermap.LayerInfoService(url).getLayersLegendInfo(getLayersLegendInfoParams, function (serviceResult) { |
| 185 | + createLegendDom(serviceResult.result.layerLegends, legendContainer); |
| 186 | + }); |
| 187 | + } |
| 188 | + |
| 189 | + </script> |
| 190 | +</body> |
| 191 | + |
| 192 | +</html> |
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