Add VectorTile layer, source and tile

2015-10-13 14:29:14 +02:00
parent fa88b578a4
commit 7d3fc3ccc7
6 changed files with 677 additions and 8 deletions
@@ -0,0 +1,173 @@
+goog.provide('ol.VectorTile');
+
+goog.require('ol.Tile');
+goog.require('ol.TileCoord');
+goog.require('ol.TileLoadFunctionType');
+goog.require('ol.TileState');
+
+
+/**
+ * @typedef {{dirty: boolean,
+ *     renderedRenderOrder: (null|function(ol.Feature, ol.Feature):number),
+ *     renderedRevision: number,
+ *     renderedResolution: number,
+ *     replayGroup: ol.render.IReplayGroup}}
+ */
+ol.TileReplayState;
+
+
+
+/**
+ * @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.
+ */
+ol.VectorTile = function(tileCoord, state, src, format, tileLoadFunction) {
+
+  goog.base(this, tileCoord, state);
+
+  /**
+   * @private
+   * @type {ol.format.Feature}
+   */
+  this.format_ = format;
+
+  /**
+   * @private
+   * @type {Array.<ol.Feature>}
+   */
+  this.features_ = null;
+
+  /**
+   * @private
+   * @type {ol.FeatureLoader}
+   */
+  this.loader_;
+
+  /**
+   * @private
+   * @type {ol.proj.Projection}
+   */
+  this.projection_ = null;
+
+  /**
+   * @private
+   * @type {ol.TileReplayState}
+   */
+  this.replayState_ = {
+    dirty: true,
+    renderedRenderOrder: null,
+    renderedRevision: -1,
+    renderedResolution: NaN,
+    replayGroup: null
+  };
+
+  /**
+   * @private
+   * @type {ol.TileLoadFunctionType}
+   */
+  this.tileLoadFunction_ = tileLoadFunction;
+
+  /**
+   * @private
+   * @type {string}
+   */
+  this.url_ = src;
+
+};
+goog.inherits(ol.VectorTile, ol.Tile);
+
+
+/**
+ * @inheritDoc
+ */
+ol.VectorTile.prototype.disposeInternal = function() {
+  goog.base(this, 'disposeInternal');
+};
+
+
+/**
+ * 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_;
+};
+
+
+/**
+ * @return {Array.<ol.Feature>} Features.
+ */
+ol.VectorTile.prototype.getFeatures = function() {
+  return this.features_;
+};
+
+
+/**
+ * @return {ol.TileReplayState}
+ */
+ol.VectorTile.prototype.getReplayState = function() {
+  return this.replayState_;
+};
+
+
+/**
+ * @inheritDoc
+ */
+ol.VectorTile.prototype.getKey = function() {
+  return this.url_;
+};
+
+
+/**
+ * @return {ol.proj.Projection} Projection.
+ */
+ol.VectorTile.prototype.getProjection = function() {
+  return this.projection_;
+};
+
+
+/**
+ * Load the tile.
+ */
+ol.VectorTile.prototype.load = function() {
+  if (this.state == ol.TileState.IDLE) {
+    this.state = ol.TileState.LOADING;
+    this.changed();
+    this.tileLoadFunction_(this, this.url_);
+    this.loader_(null, NaN, null);
+  }
+};
+
+
+/**
+ * @param {Array.<ol.Feature>} features Features.
+ */
+ol.VectorTile.prototype.setFeatures = function(features) {
+  this.features_ = features;
+  this.state = ol.TileState.LOADED;
+  this.changed();
+};
+
+
+/**
+ * @param {ol.proj.Projection} projection Projection.
+ */
+ol.VectorTile.prototype.setProjection = function(projection) {
+  this.projection_ = projection;
+};
+
+
+/**
+ * Set the feeature loader for reading this tile's features.
+ * @param {ol.FeatureLoader} loader Feature loader.
+ * @api
+ */
+ol.VectorTile.prototype.setLoader = function(loader) {
+  this.loader_ = loader;
+};