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import { h, s } from 'lib/h'
import * as Color from 'lib/color'
import * as ContextMenu from 'lib/contextMenu'
import * as MarkerForm from 'markerForm'
import * as Icons from 'lib/icons'
import * as Modal from 'lib/modal'
import * as State from 'state'
const L = window.L
interface CreateParams {
id: State.Index,
pos: L.Pos,
color: string,
icon: string,
name: string,
radius: number,
addToMap: (layer: L.Layer | L.FeatureGroup) => void,
removeFromMap: (layer: L.Layer | L.FeatureGroup) => void,
}
export function add({ id, pos, color, icon, name, radius, addToMap, removeFromMap }: CreateParams) {
const marker = L.marker(pos, {
draggable: true,
autoPan: true,
icon: divIcon({ icon, color, name }),
})
const circle =
radius !== 0
? L.circle(pos, { radius, color, fillColor: color })
: undefined
const layer =
circle !== undefined
? L.featureGroup([ marker, circle ])
: L.featureGroup([ marker ])
const onUpdate = () =>
Modal.show(MarkerForm.view({
onValidate: (color: string, icon: string, name: string, radius: number) => {
removeFromMap(layer)
add({ id, pos, color, icon, name, radius, addToMap, removeFromMap })
State.update(id, { pos, color, icon, name, radius })
Modal.hide()
},
onCancel: () => Modal.hide(),
color,
icon,
name,
radius,
}))
marker.addEventListener('contextmenu', e => {
ContextMenu.show(
e.originalEvent,
[ { label: 'Modify',
action: onUpdate,
}
, { label: 'Remove',
action: () => {
removeFromMap(layer)
State.remove(id)
}
}
]
)
})
marker.addEventListener('drag', e => {
circle && circle.setLatLng(marker.getLatLng())
})
marker.addEventListener('dragend', e => {
const pos = marker.getLatLng()
removeFromMap(layer)
add({ id, pos, color, icon, name, radius, addToMap, removeFromMap })
State.update(id, { pos, color, icon, name, radius })
})
marker.addEventListener('dblclick', onUpdate)
addToMap(layer)
}
interface CreateIconParams {
icon: string,
color: string,
name: string,
}
function divIcon({ icon, color, name }: CreateIconParams): L.Icon {
const c = Color.parse(color)
const crBlack = Color.contrastRatio({ red: 0, green: 0, blue: 0 }, c)
const crWhite = Color.contrastRatio({ red: 255, green: 255, blue: 255 }, c)
const textCol = crBlack > crWhite ? 'black' : 'white'
const width = 10
const height = 15
const stroke = 'black'
const strokeWidth = 0.6
// Triangle
const t = [
{ x: width * 0.15, y: 7.46 },
{ x: width / 2, y: height },
{ x: width * 0.85, y: 7.46 }
]
return L.divIcon(
{ className: ''
, popupAnchor: [ 0, -34 ]
, html:
h('div',
{ className: 'g-Marker' },
s('svg',
{ viewBox: `0 0 ${width} ${height}`,
class: 'g-Marker__Base'
},
s('circle',
{ cx: width / 2,
cy: width / 2,
r: (width - 2 * strokeWidth) / 2,
stroke,
'stroke-width': strokeWidth,
fill: color
}
),
s('polygon',
{ points: `${t[0].x},${t[0].y} ${t[1].x},${t[1].y} ${t[2].x},${t[2].y}`,
fill: color
}
),
s('line',
{ x1: t[0].x,
y1: t[0].y,
x2: t[1].x,
y2: t[1].y,
stroke,
'stroke-width': strokeWidth
}
),
s('line',
{ x1: t[1].x,
y1: t[1].y,
x2: t[2].x,
y2: t[2].y,
stroke,
'stroke-width': strokeWidth
}
),
),
Icons.get(
icon,
{ class: 'g-Marker__Icon'
, style: `fill: ${textCol}; stroke: ${textCol}`
}
),
h('div',
{ className: 'g-Marker__Title',
style: `color: black; text-shadow: ${textShadow('white', 1, 1)}`
},
name
)
)
}
)
}
function textShadow(color: string, w: number, blurr: number): string {
return [[-w, -w], [-w, 0], [-w, w], [0, -w], [0, w], [w, -w], [w, 0], [w, w]]
.map(xs => `${color} ${xs[0]}px ${xs[1]}px ${blurr}px`)
.join(', ')
}
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