forked from MTSR/mapserver
37 lines
1.0 KiB
JavaScript
37 lines
1.0 KiB
JavaScript
'use strict';
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function RealtimeTileLayer(wsChannel){
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var self = this;
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wsChannel.addListener("rendered-tile", function(tc){
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var id = self.getImageId(tc.layerid, tc.x, tc.y, tc.zoom);
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var el = document.getElementById(id);
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if (el){
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//Update src attribute if img found
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el.src = self.getTileSource(tc.layerid, tc.x, tc.y, tc.zoom, true);
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}
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});
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}
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RealtimeTileLayer.prototype.getTileSource = function(layerId, x,y,zoom,cacheBust){
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return "api/tile/" + layerId + "/" + x + "/" + y + "/" + zoom + "?_=" + Date.now();
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};
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RealtimeTileLayer.prototype.getImageId = function(layerId, x, y, zoom){
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return "tile-" + layerId + "/" + x + "/" + y + "/" + zoom;
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};
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RealtimeTileLayer.prototype.createLayer = function(layerId){
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var self = this;
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return L.TileLayer.extend({
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createTile: function(coords){
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var tile = document.createElement('img');
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tile.src = self.getTileSource(layerId, coords.x, coords.y, coords.z);
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tile.id = self.getImageId(layerId, coords.x, coords.y, coords.z);
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return tile;
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}
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});
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};
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