/**
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* 加载WMS,拼接FILTER,LAYERS参数等
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*/
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function WmsHelper () {
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this.filters = {}
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this.wmsLayersMap = {}
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this.initMapConfig = (mapConfig) => {
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var serviceLayers = mapConfig.ServiceLayers
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for (var i = 0; i < serviceLayers.length; i++) {
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var service = serviceLayers[i]
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var checked = service.checked
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if (!checked) {
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break
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}
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var filtersGroup = service.filtersGroup
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if (filtersGroup) {
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this.initLayer(service.code, filtersGroup)
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}
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}
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}
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this.initLayer = (wms, layersGroup) => {
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for (var i = 0; i < layersGroup.length; i++) {
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var filters = layersGroup[i].filters
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for (var j = 0; j < filters.length; j++) {
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var layer = filters[j]
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var checked = layer.checked
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// var code = layer.code
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var code = layer.name
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if (checked) {
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this.addLayer(wms, code)
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}
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}
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}
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}
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this.initFilter = () => {
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/* for (var i = 0; i < filters.length; i++) {
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var filter = filters[i]
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this.addFilter()
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} */
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}
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this.addLayer = (wms, layer) => {
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var wmsLayer = this.wmsLayersMap[wms]
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if (wmsLayer) {
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wmsLayer[wmsLayer.length] = layer
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} else {
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this.wmsLayersMap[wms] = [layer]
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}
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}
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this.addFilter = (condition) => {
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// var filter = this.filters[layer]
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// if (filter) {
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this.filters[this.filters.length] = condition
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// } else {
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// this.filters[layer] = [condition]
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// }
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}
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this.getWmsLayersMap = () => {
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return this.wmsLayersMap
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}
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this.getFilterURL = () => {
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var filterURL = ''
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var conditions = ''
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for (var f in this.filters) {
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var filters = this.filters[f]
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for (var i = 0; i < filters.length; i++) {
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conditions += filters[i]
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if (i < filters.length) {
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conditions += ','
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}
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}
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filterURL += f + '.(' + conditions + ');'
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}
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return filterURL.substr(0, filterURL.length - 1)
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}
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}
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export default WmsHelper
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