71 lines
1.9 KiB
JavaScript
71 lines
1.9 KiB
JavaScript
goog.provide('ol.style.Style');
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goog.require('ol.Feature');
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goog.require('ol.geom.GeometryType');
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goog.require('ol.style.Rule');
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goog.require('ol.style.SymbolizerLiteral');
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/**
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* @constructor
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* @param {ol.style.StyleOptions} options Style options.
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*/
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ol.style.Style = function(options) {
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/**
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* @type {Array.<ol.style.Rule>}
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* @private
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*/
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this.rules_ = goog.isDef(options.rules) ? options.rules : [];
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};
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/**
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* @param {ol.Feature} feature Feature.
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* @return {Array.<ol.style.SymbolizerLiteral>} Symbolizer literals for the
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* feature.
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*/
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ol.style.Style.prototype.apply = function(feature) {
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var rules = this.rules_,
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literals = [],
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rule, symbolizers;
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for (var i = 0, ii = rules.length; i < ii; ++i) {
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rule = rules[i];
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if (rule.applies(feature)) {
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symbolizers = rule.getSymbolizers();
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for (var j = 0, jj = symbolizers.length; j < jj; ++j) {
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literals.push(symbolizers[j].createLiteral(feature));
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}
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}
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}
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return literals;
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};
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/**
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* @param {ol.Feature} feature Feature.
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* @return {Array.<ol.style.SymbolizerLiteral>} Default symbolizer literals for
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* the feature.
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*/
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ol.style.Style.applyDefaultStyle = function(feature) {
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var geometry = feature.getGeometry(),
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symbolizerLiterals = [];
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if (!goog.isNull(geometry)) {
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var type = geometry.getType();
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if (type === ol.geom.GeometryType.POINT ||
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type === ol.geom.GeometryType.MULTIPOINT) {
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symbolizerLiterals.push(ol.style.ShapeDefaults);
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} else if (type === ol.geom.GeometryType.LINESTRING ||
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type === ol.geom.GeometryType.MULTILINESTRING) {
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symbolizerLiterals.push(ol.style.LineDefaults);
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} else if (type === ol.geom.GeometryType.LINEARRING ||
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type === ol.geom.GeometryType.POLYGON ||
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type === ol.geom.GeometryType.MULTIPOLYGON) {
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symbolizerLiterals.push(ol.style.PolygonDefaults);
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}
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}
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return symbolizerLiterals;
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};
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