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Fire tileunload for all unloading of tiles

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This commit is contained in:
Thomas Coats 2015-12-17 21:34:35 +13:00
parent 92e449a0ce
commit 8a0719f16c
2 changed files with 12 additions and 0 deletions
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1
debug/map/grid.html
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@ -38,6 +38,7 @@
grid.on('loading', function() { console.log('loading'); });
grid.on('load', function() { console.log('load'); });
grid.on('tileunload', function(tile) { console.log('tileunload ' + tile.coords.x + ',' + tile.coords.y + ',' + tile.coords.z); });
var map = L.map('map')
.setView([50.5, 30.51], 10)

11
src/layer/tile/GridLayer.js
View File

@ -41,6 +41,7 @@ L.GridLayer = L.Layer.extend({
},
onRemove: function (map) {
this._removeAllTiles();
L.DomUtil.remove(this._container);
map._removeZoomLimit(this);
this._container = null;
@ -217,6 +218,7 @@ L.GridLayer = L.Layer.extend({
this._levels[z].el.style.zIndex = maxZoom - Math.abs(zoom - z);
} else {
L.DomUtil.remove(this._levels[z].el);
this._removeTilesAtZoom(z);
delete this._levels[z];
}
}
@ -273,6 +275,15 @@ L.GridLayer = L.Layer.extend({
}
},
_removeTilesAtZoom: function (zoom) {
for (var key in this._tiles) {
if (this._tiles[key].coords.z !== zoom) {
continue;
}
this._removeTile(key);
}
},
_removeAllTiles: function () {
for (var key in this._tiles) {
this._removeTile(key);