141 lines
3.6 KiB
JavaScript
141 lines
3.6 KiB
JavaScript
goog.provide('ol.layer.Vector');
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goog.require('goog.object');
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goog.require('ol.layer.Layer');
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goog.require('ol.style.Style');
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/**
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* @enum {string}
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*/
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ol.layer.VectorProperty = {
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RENDER_ORDER: 'renderOrder'
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};
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/**
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* @classdesc
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* Vector data that is rendered client-side.
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* Note that any property set in the options is set as a {@link ol.Object}
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* property on the layer object; for example, setting `title: 'My Title'` in the
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* options means that `title` is observable, and has get/set accessors.
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*
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* @constructor
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* @extends {ol.layer.Layer}
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* @fires ol.render.Event
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* @param {olx.layer.VectorOptions=} opt_options Options.
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* @api stable
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*/
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ol.layer.Vector = function(opt_options) {
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var options = goog.isDef(opt_options) ?
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opt_options : /** @type {olx.layer.VectorOptions} */ ({});
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var baseOptions = goog.object.clone(options);
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delete baseOptions.style;
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goog.base(this, /** @type {olx.layer.LayerOptions} */ (baseOptions));
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/**
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* @type {number}
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* @private
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*/
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this.renderBuffer_ = goog.isDef(options.renderBuffer) ?
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options.renderBuffer : 100;
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/**
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* User provided style.
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* @type {ol.style.Style|Array.<ol.style.Style>|ol.style.StyleFunction}
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* @private
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*/
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this.style_ = null;
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/**
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* Style function for use within the library.
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* @type {ol.style.StyleFunction|undefined}
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* @private
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*/
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this.styleFunction_ = undefined;
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this.setStyle(options.style);
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};
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goog.inherits(ol.layer.Vector, ol.layer.Layer);
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/**
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* @return {number|undefined} Render buffer.
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*/
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ol.layer.Vector.prototype.getRenderBuffer = function() {
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return this.renderBuffer_;
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};
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/**
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* @return {function(ol.Feature, ol.Feature): number|null|undefined} Render
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* order.
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*/
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ol.layer.Vector.prototype.getRenderOrder = function() {
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return /** @type {function(ol.Feature, ol.Feature):number|null|undefined} */ (
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this.get(ol.layer.VectorProperty.RENDER_ORDER));
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};
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/**
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* @function
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* @return {ol.source.Vector} Source.
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* @api stable
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*/
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ol.layer.Vector.prototype.getSource;
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/**
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* Get the style for features. This returns whatever was passed to the `style`
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* option at construction or to the `setStyle` method.
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* @return {ol.style.Style|Array.<ol.style.Style>|ol.style.StyleFunction}
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* Layer style.
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* @api stable
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*/
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ol.layer.Vector.prototype.getStyle = function() {
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return this.style_;
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};
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/**
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* Get the style function.
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* @return {ol.style.StyleFunction|undefined} Layer style function.
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* @api stable
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*/
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ol.layer.Vector.prototype.getStyleFunction = function() {
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return this.styleFunction_;
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};
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/**
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* @param {function(ol.Feature, ol.Feature):number|null|undefined} renderOrder
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* Render order.
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*/
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ol.layer.Vector.prototype.setRenderOrder = function(renderOrder) {
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this.set(ol.layer.VectorProperty.RENDER_ORDER, renderOrder);
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};
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/**
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* Set the style for features. This can be a single style object, an array
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* of styles, or a function that takes a feature and resolution and returns
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* an array of styles. If it is `undefined` the default style is used. If
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* it is `null` the layer has no style (a `null` style), so only features
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* that have their own styles will be rendered in the layer. See
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* {@link ol.style} for information on the default style.
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* @param {ol.style.Style|Array.<ol.style.Style>|ol.style.StyleFunction|undefined}
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* style Layer style.
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* @api stable
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*/
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ol.layer.Vector.prototype.setStyle = function(style) {
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this.style_ = goog.isDef(style) ? style : ol.style.defaultStyleFunction;
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this.styleFunction_ = goog.isNull(style) ?
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undefined : ol.style.createStyleFunction(this.style_);
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this.changed();
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};
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