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import {Layer} from '../Layer';
import * as Util from '../../core/Util';
/*
* @class Path
* @aka L.Path
* @inherits Interactive layer
*
* An abstract class that contains options and constants shared between vector
* overlays (Polygon, Polyline, Circle). Do not use it directly. Extends `Layer`.
*/
export var Path = Layer.extend({
// @section
// @aka Path options
options: {
// @option stroke: Boolean = true
// Whether to draw stroke along the path. Set it to `false` to disable borders on polygons or circles.
stroke: true,
// @option color: String = '#3388ff'
// Stroke color
color: '#3388ff',
// @option weight: Number = 3
// Stroke width in pixels
weight: 3,
// @option opacity: Number = 1.0
// Stroke opacity
opacity: 1,
// @option lineCap: String= 'round'
// A string that defines [shape to be used at the end](https://developer.mozilla.org/docs/Web/SVG/Attribute/stroke-linecap) of the stroke.
lineCap: 'round',
// @option lineJoin: String = 'round'
// A string that defines [shape to be used at the corners](https://developer.mozilla.org/docs/Web/SVG/Attribute/stroke-linejoin) of the stroke.
lineJoin: 'round',
// @option dashArray: String = null
// A string that defines the stroke [dash pattern](https://developer.mozilla.org/docs/Web/SVG/Attribute/stroke-dasharray). Doesn't work on `Canvas`-powered layers in [some old browsers](https://developer.mozilla.org/docs/Web/API/CanvasRenderingContext2D/setLineDash#Browser_compatibility).
dashArray: null,
// @option dashOffset: String = null
// A string that defines the [distance into the dash pattern to start the dash](https://developer.mozilla.org/docs/Web/SVG/Attribute/stroke-dashoffset). Doesn't work on `Canvas`-powered layers in [some old browsers](https://developer.mozilla.org/docs/Web/API/CanvasRenderingContext2D/setLineDash#Browser_compatibility).
dashOffset: null,
// @option fill: Boolean = depends
// Whether to fill the path with color. Set it to `false` to disable filling on polygons or circles.
fill: false,
// @option fillColor: String = *
// Fill color. Defaults to the value of the [`color`](#path-color) option
fillColor: null,
// @option fillOpacity: Number = 0.2
// Fill opacity.
fillOpacity: 0.2,
// @option fillRule: String = 'evenodd'
// A string that defines [how the inside of a shape](https://developer.mozilla.org/docs/Web/SVG/Attribute/fill-rule) is determined.
fillRule: 'evenodd',
// className: '',
// Option inherited from "Interactive layer" abstract class
interactive: true,
// @option bubblingMouseEvents: Boolean = true
// When `true`, a mouse event on this path will trigger the same event on the map
// (unless [`L.DomEvent.stopPropagation`](#domevent-stoppropagation) is used).
bubblingMouseEvents: true
},
beforeAdd: function (map) {
// Renderer is set here because we need to call renderer.getEvents
// before this.getEvents.
this._renderer = map.getRenderer(this);
},
onAdd: function () {
this._renderer._initPath(this);
this._reset();
this._renderer._addPath(this);
},
onRemove: function () {
this._renderer._removePath(this);
},
// @method redraw(): this
// Redraws the layer. Sometimes useful after you changed the coordinates that the path uses.
redraw: function () {
if (this._map) {
this._renderer._updatePath(this);
}
return this;
},
// @method setStyle(style: Path options): this
// Changes the appearance of a Path based on the options in the `Path options` object.
setStyle: function (style) {
Util.setOptions(this, style);
if (this._renderer) {
this._renderer._updateStyle(this);
}
return this;
},
// @method bringToFront(): this
// Brings the layer to the top of all path layers.
bringToFront: function () {
if (this._renderer) {
this._renderer._bringToFront(this);
}
return this;
},
// @method bringToBack(): this
// Brings the layer to the bottom of all path layers.
bringToBack: function () {
if (this._renderer) {
this._renderer._bringToBack(this);
}
return this;
},
getElement: function () {
return this._path;
},
_reset: function () {
// defined in child classes
this._project();
this._update();
},
_clickTolerance: function () {
// used when doing hit detection for Canvas layers
return (this.options.stroke ? this.options.weight / 2 : 0) + this._renderer.options.tolerance;
}
});
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