Imports cased like the filename

src/ol/VectorTile.js

@@ -0,0 +1,250 @@
+goog.provide('ol.VectorTile');
+
+goog.require('ol');
+goog.require('ol.Tile');
+goog.require('ol.TileState');
+
+
+/**
+ * @constructor
+ * @extends {ol.Tile}
+ * @param {ol.TileCoord} tileCoord Tile coordinate.
+ * @param {ol.TileState} state State.
+ * @param {string} src Data source url.
+ * @param {ol.format.Feature} format Feature format.
+ * @param {ol.TileLoadFunctionType} tileLoadFunction Tile load function.
+ * @param {olx.TileOptions=} opt_options Tile options.
+ */
+ol.VectorTile = function(tileCoord, state, src, format, tileLoadFunction, opt_options) {
+
+  ol.Tile.call(this, tileCoord, state, opt_options);
+
+  /**
+   * @type {number}
+   */
+  this.consumers = 0;
+
+  /**
+   * @private
+   * @type {ol.Extent}
+   */
+  this.extent_ = null;
+
+  /**
+   * @private
+   * @type {ol.format.Feature}
+   */
+  this.format_ = format;
+
+  /**
+   * @private
+   * @type {Array.<ol.Feature>}
+   */
+  this.features_ = null;
+
+  /**
+   * @private
+   * @type {ol.FeatureLoader}
+   */
+  this.loader_;
+
+  /**
+   * Data projection
+   * @private
+   * @type {ol.proj.Projection}
+   */
+  this.projection_;
+
+  /**
+   * @private
+   * @type {Object.<string, ol.render.ReplayGroup>}
+   */
+  this.replayGroups_ = {};
+
+  /**
+   * @private
+   * @type {ol.TileLoadFunctionType}
+   */
+  this.tileLoadFunction_ = tileLoadFunction;
+
+  /**
+   * @private
+   * @type {string}
+   */
+  this.url_ = src;
+
+};
+ol.inherits(ol.VectorTile, ol.Tile);
+
+
+/**
+ * @inheritDoc
+ */
+ol.VectorTile.prototype.disposeInternal = function() {
+  this.features_ = null;
+  this.replayGroups_ = {};
+  this.state = ol.TileState.ABORT;
+  this.changed();
+  ol.Tile.prototype.disposeInternal.call(this);
+};
+
+
+/**
+ * Gets the extent of the vector tile.
+ * @return {ol.Extent} The extent.
+ * @api
+ */
+ol.VectorTile.prototype.getExtent = function() {
+  return this.extent_ || ol.VectorTile.DEFAULT_EXTENT;
+};
+
+
+/**
+ * Get the feature format assigned for reading this tile's features.
+ * @return {ol.format.Feature} Feature format.
+ * @api
+ */
+ol.VectorTile.prototype.getFormat = function() {
+  return this.format_;
+};
+
+
+/**
+ * Get the features for this tile. Geometries will be in the projection returned
+ * by {@link ol.VectorTile#getProjection}.
+ * @return {Array.<ol.Feature|ol.render.Feature>} Features.
+ * @api
+ */
+ol.VectorTile.prototype.getFeatures = function() {
+  return this.features_;
+};
+
+
+/**
+ * @inheritDoc
+ */
+ol.VectorTile.prototype.getKey = function() {
+  return this.url_;
+};
+
+
+/**
+ * Get the feature projection of features returned by
+ * {@link ol.VectorTile#getFeatures}.
+ * @return {ol.proj.Projection} Feature projection.
+ * @api
+ */
+ol.VectorTile.prototype.getProjection = function() {
+  return this.projection_;
+};
+
+
+/**
+ * @param {ol.layer.Layer} layer Layer.
+ * @param {string} key Key.
+ * @return {ol.render.ReplayGroup} Replay group.
+ */
+ol.VectorTile.prototype.getReplayGroup = function(layer, key) {
+  return this.replayGroups_[ol.getUid(layer) + ',' + key];
+};
+
+
+/**
+ * @inheritDoc
+ */
+ol.VectorTile.prototype.load = function() {
+  if (this.state == ol.TileState.IDLE) {
+    this.setState(ol.TileState.LOADING);
+    this.tileLoadFunction_(this, this.url_);
+    this.loader_(null, NaN, null);
+  }
+};
+
+
+/**
+ * Handler for successful tile load.
+ * @param {Array.<ol.Feature>} features The loaded features.
+ * @param {ol.proj.Projection} dataProjection Data projection.
+ * @param {ol.Extent} extent Extent.
+ */
+ol.VectorTile.prototype.onLoad = function(features, dataProjection, extent) {
+  this.setProjection(dataProjection);
+  this.setFeatures(features);
+  this.setExtent(extent);
+};
+
+
+/**
+ * Handler for tile load errors.
+ */
+ol.VectorTile.prototype.onError = function() {
+  this.setState(ol.TileState.ERROR);
+};
+
+
+/**
+ * Function for use in an {@link ol.source.VectorTile}'s `tileLoadFunction`.
+ * Sets the extent of the vector tile. This is only required for tiles in
+ * projections with `tile-pixels` as units. The extent should be set to
+ * `[0, 0, tilePixelSize, tilePixelSize]`, where `tilePixelSize` is calculated
+ * by multiplying the tile size with the tile pixel ratio. For sources using
+ * {@link ol.format.MVT} as feature format, the
+ * {@link ol.format.MVT#getLastExtent} method will return the correct extent.
+ * The default is `[0, 0, 4096, 4096]`.
+ * @param {ol.Extent} extent The extent.
+ * @api
+ */
+ol.VectorTile.prototype.setExtent = function(extent) {
+  this.extent_ = extent;
+};
+
+
+/**
+ * Function for use in an {@link ol.source.VectorTile}'s `tileLoadFunction`.
+ * Sets the features for the tile.
+ * @param {Array.<ol.Feature>} features Features.
+ * @api
+ */
+ol.VectorTile.prototype.setFeatures = function(features) {
+  this.features_ = features;
+  this.setState(ol.TileState.LOADED);
+};
+
+
+/**
+ * Function for use in an {@link ol.source.VectorTile}'s `tileLoadFunction`.
+ * Sets the projection of the features that were added with
+ * {@link ol.VectorTile#setFeatures}.
+ * @param {ol.proj.Projection} projection Feature projection.
+ * @api
+ */
+ol.VectorTile.prototype.setProjection = function(projection) {
+  this.projection_ = projection;
+};
+
+
+/**
+ * @param {ol.layer.Layer} layer Layer.
+ * @param {string} key Key.
+ * @param {ol.render.ReplayGroup} replayGroup Replay group.
+ */
+ol.VectorTile.prototype.setReplayGroup = function(layer, key, replayGroup) {
+  this.replayGroups_[ol.getUid(layer) + ',' + key] = replayGroup;
+};
+
+
+/**
+ * Set the feature loader for reading this tile's features.
+ * @param {ol.FeatureLoader} loader Feature loader.
+ * @api
+ */
+ol.VectorTile.prototype.setLoader = function(loader) {
+  this.loader_ = loader;
+};
+
+
+/**
+ * @const
+ * @type {ol.Extent}
+ */
+ol.VectorTile.DEFAULT_EXTENT = [0, 0, 4096, 4096];