113 lines
2.3 KiB
JavaScript
113 lines
2.3 KiB
JavaScript
goog.provide('ol.Feature');
|
|
|
|
goog.require('ol.Object');
|
|
goog.require('ol.geom.Geometry');
|
|
|
|
|
|
|
|
/**
|
|
* @constructor
|
|
* @extends {ol.Object}
|
|
* @param {Object=} opt_values Attributes.
|
|
*/
|
|
ol.Feature = function(opt_values) {
|
|
|
|
goog.base(this, opt_values);
|
|
|
|
/**
|
|
* @type {string|undefined}
|
|
* @private
|
|
*/
|
|
this.geometryName_;
|
|
|
|
/**
|
|
* @type {Array.<ol.style.Symbolizer>}
|
|
* @private
|
|
*/
|
|
this.symbolizers_ = null;
|
|
|
|
};
|
|
goog.inherits(ol.Feature, ol.Object);
|
|
|
|
|
|
/**
|
|
* @return {Object} Attributes object.
|
|
*/
|
|
ol.Feature.prototype.getAttributes = function() {
|
|
var keys = this.getKeys(),
|
|
len = keys.length,
|
|
attributes = {},
|
|
i, key;
|
|
for (i = 0; i < len; ++ i) {
|
|
key = keys[i];
|
|
attributes[key] = this.get(key);
|
|
}
|
|
return attributes;
|
|
};
|
|
|
|
|
|
/**
|
|
* @return {ol.geom.Geometry} The geometry (or null if none).
|
|
*/
|
|
ol.Feature.prototype.getGeometry = function() {
|
|
return goog.isDef(this.geometryName_) ?
|
|
/** @type {ol.geom.Geometry} */ (this.get(this.geometryName_)) :
|
|
null;
|
|
};
|
|
|
|
|
|
/**
|
|
* @return {Array.<ol.style.SymbolizerLiteral>} Symbolizer literals.
|
|
*/
|
|
ol.Feature.prototype.getSymbolizerLiterals = function() {
|
|
var symbolizerLiterals = null;
|
|
if (!goog.isNull(this.symbolizers_)) {
|
|
var numSymbolizers = this.symbolizers_.length;
|
|
symbolizerLiterals = new Array(numSymbolizers);
|
|
for (var i = 0; i < numSymbolizers; ++i) {
|
|
symbolizerLiterals[i] = this.symbolizers_[i].createLiteral(this);
|
|
}
|
|
}
|
|
return symbolizerLiterals;
|
|
};
|
|
|
|
|
|
/**
|
|
* @inheritDoc
|
|
* @param {string} key Key.
|
|
* @param {*} value Value.
|
|
*/
|
|
ol.Feature.prototype.set = function(key, value) {
|
|
if (!goog.isDef(this.geometryName_) && (value instanceof ol.geom.Geometry)) {
|
|
this.geometryName_ = key;
|
|
}
|
|
goog.base(this, 'set', key, value);
|
|
};
|
|
|
|
|
|
/**
|
|
* @param {ol.geom.Geometry} geometry The geometry.
|
|
*/
|
|
ol.Feature.prototype.setGeometry = function(geometry) {
|
|
if (!goog.isDef(this.geometryName_)) {
|
|
this.geometryName_ = ol.Feature.DEFAULT_GEOMETRY;
|
|
}
|
|
this.set(this.geometryName_, geometry);
|
|
};
|
|
|
|
|
|
/**
|
|
* @param {Array.<ol.style.Symbolizer>} symbolizers Symbolizers for this
|
|
* features. If set, these take precedence over layer style.
|
|
*/
|
|
ol.Feature.prototype.setSymbolizers = function(symbolizers) {
|
|
this.symbolizers_ = symbolizers;
|
|
};
|
|
|
|
|
|
/**
|
|
* @const
|
|
* @type {string}
|
|
*/
|
|
ol.Feature.DEFAULT_GEOMETRY = 'geometry';
|