| 39 | } |
| 40 | |
| 41 | rectifyLayersOrder(appreciableLayers, topLayerBeforeId) { |
| 42 | const renderLayers = appreciableLayers |
| 43 | .filter((item) => !item.reused) |
| 44 | .reduce((layers, layer) => { |
| 45 | return layers.concat(layer.renderLayers); |
| 46 | }, []); |
| 47 | const exsitLayers = renderLayers.filter((layerId) => !!this.map.getLayer(layerId)); |
| 48 | for (let index = exsitLayers.length - 1; index > -1; index--) { |
| 49 | const targetlayerId = exsitLayers[index]; |
| 50 | const afterLayers = exsitLayers.slice(index + 1); |
| 51 | let beforLayerId = afterLayers.find((id) => this.map.style._layers[id]); |
| 52 | if (!afterLayers.length) { |
| 53 | beforLayerId = topLayerBeforeId; |
| 54 | } |
| 55 | this.map.moveLayer(targetlayerId, beforLayerId); |
| 56 | } |
| 57 | return exsitLayers; |
| 58 | } |
| 59 | |
| 60 | changeBaseLayer() { |
| 61 | this._sourceListModel && this._sourceListModel.changeBaseLayer(...arguments); |