Circle.kt
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package fdit.leafletmap
import javafx.scene.paint.Color
class Circle private constructor(private var center: LatLong, private var title: String, private var zIndexOffset: Int) {
private var color = Color(0.0, 0.0, 0.0, 0.0)
private lateinit var map: LeafletMapView
private var isAttached = false
private var isDisplayed = false
private var radius = 0.0
constructor(position: LatLong, radius: Double, title: String, color: Color, zIndexOffset: Int) : this(position, title, zIndexOffset) {
this.color = color
this.title = title.replace("-", "")
this.center = position
this.radius = nauticalMilesToMeter(radius)
}
internal fun addToMap(map: LeafletMapView) {
this.map = map
if (map.execScript("typeof circle$title == 'undefined'") as Boolean) {
map.execScript("var circle$title;")
}
if (!this.isAttached) {
val hexColor = "%02x".format((color.red * 255).toInt()) + "%02x".format((color.green * 255).toInt()) + "%02x".format((color.blue * 255).toInt())
map.execScript("circle$title = L.circle([${center.latitude}, ${center.longitude}], $radius, {color:'#$hexColor'}).addTo(myMap);")
this.isAttached = true
this.isDisplayed = true
} else if (!this.isDisplayed) {
map.execScript("circle$title.addTo(myMap)")
this.isDisplayed = true
}
}
fun modifyCircle(latLong: LatLong, radius: Double) {
this.center = latLong
this.radius = radius
this.radius = nauticalMilesToMeter(radius)
}
fun uppdateMap() {
if (this.isAttached && !this.isDisplayed) {
map.execScript("myMap.removeLayer(circle$title);" +
"circle$title = L.circle([${center.latitude}, ${center.longitude}], $radius).addTo(myMap);")
this.isDisplayed = true
}
}
internal fun removeCircle(map: LeafletMapView) {
if (this.isAttached && this.isDisplayed) {
map.execScript("myMap.removeLayer(circle$title);")
this.isDisplayed = false
}
}
private fun nauticalMilesToMeter(nauticalMiles: Double): Double {
return nauticalMiles * 1.852
}
}