goog.provide('ol.source.StaticVector');

goog.require('ol.source.FormatVector');
goog.require('ol.source.State');



/**
 * @classdesc
 * Abstract base class; normally only used for creating subclasses and not
 * instantiated in apps.
 * Base class for vector sources in one of the supported formats, where the data
 * is read from a file or other static source.
 *
 * @constructor
 * @extends {ol.source.FormatVector}
 * @fires ol.source.VectorEvent
 * @param {olx.source.StaticVectorOptions} options Options.
 * @api
 */
ol.source.StaticVector = function(options) {

  goog.base(this, {
    attributions: options.attributions,
    format: options.format,
    logo: options.logo,
    projection: options.projection
  });

  if (goog.isDef(options.arrayBuffer)) {
    this.addFeaturesInternal(this.readFeatures(options.arrayBuffer));
  }

  if (goog.isDef(options.doc)) {
    this.addFeaturesInternal(this.readFeatures(options.doc));
  }

  if (goog.isDef(options.node)) {
    this.addFeaturesInternal(this.readFeatures(options.node));
  }

  if (goog.isDef(options.object)) {
    this.addFeaturesInternal(this.readFeatures(options.object));
  }

  if (goog.isDef(options.text)) {
    this.addFeaturesInternal(this.readFeatures(options.text));
  }

  if (goog.isDef(options.url) || goog.isDef(options.urls)) {
    this.setState(ol.source.State.LOADING);
    if (goog.isDef(options.url)) {
      this.loadFeaturesFromURL(options.url, this.onFeaturesLoaded_, this);
    }
    if (goog.isDef(options.urls)) {
      var urls = options.urls;
      var i, ii;
      for (i = 0, ii = urls.length; i < ii; ++i) {
        this.loadFeaturesFromURL(urls[i], this.onFeaturesLoaded_, this);
      }
    }
  }

};
goog.inherits(ol.source.StaticVector, ol.source.FormatVector);


/**
 * @param {Array.<ol.Feature>} features Features.
 * @private
 */
ol.source.StaticVector.prototype.onFeaturesLoaded_ = function(features) {
  this.addFeaturesInternal(features);
  this.setState(ol.source.State.READY);
};