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Fix and enable village placement component
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,231 @@ | ||
| import { el, setChildren, mount, RedomComponent } from 'redom' | ||
| import { Village } from './index.ts' | ||
|
|
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| class VillageSelector implements RedomComponent { | ||
| el: HTMLElement | ||
| onSelected: any | ||
| selectedVillage?: number | ||
| villages: Village[] | ||
|
|
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| constructor(villages: Village[], selected?: number) { | ||
| this.villages = villages | ||
|
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||
| if (!selected) { | ||
| selected = villages[0].id | ||
| } | ||
|
|
||
| if (villages.length == 1) { | ||
| this.el = el('div', villages[0].name) | ||
| this.selectedVillage = villages[0].id | ||
| return | ||
| } | ||
|
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| this.el = el('select', { name: 'village' }) | ||
|
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| villages.forEach((village: Village) => { | ||
| const option = el('option', village.name, { value: village.id }) | ||
| if (village.id == selected) { | ||
| option.selected = true | ||
| this.selectedVillage = village.id | ||
| } | ||
| mount(this.el, option) | ||
| }) | ||
|
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||
| this.el.onchange = () => { | ||
| this.selectedVillage = parseInt((this.el as HTMLSelectElement).value) | ||
| if (this.onSelected) { | ||
| this.onSelected(this.getSelected()) | ||
| } | ||
| } | ||
| } | ||
|
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| getSelected(): Village | undefined { | ||
| return this.villages.find((village: Village) => village.id == this.selectedVillage) | ||
| } | ||
| } | ||
|
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||
| export class PlaceVillageDialog implements RedomComponent { | ||
| map: maplibregl.Map | ||
| onClose?: any | ||
| onSubmit?: any | ||
| onDelete?: any | ||
| village_selector?: VillageSelector | ||
| el: HTMLElement | ||
| location_selector?: LocationSelector | ||
|
|
||
| constructor(map: maplibregl.Map, villages: Village[]) { | ||
| this.map = map | ||
| this.el = el('.villages-create') | ||
| this.create(villages) | ||
| } | ||
|
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||
| create(villages: object[]) { | ||
| const close_button = el('.villages-close') | ||
| close_button.onclick = () => { | ||
| if (this.onClose) { | ||
| this.onClose() | ||
| } | ||
| } | ||
|
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||
| const submit_button = el('button', 'Place Village', { type: 'submit', disabled: true }) | ||
|
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| submit_button.onclick = (e) => { | ||
| if (this.onSubmit) { | ||
| this.onSubmit(this.getData()) | ||
| } | ||
| e.preventDefault() | ||
| } | ||
|
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| const submit_group = el('.form-group', submit_button) | ||
|
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| this.village_selector = new VillageSelector(villages) | ||
| const selected_village = this.village_selector.getSelected()! | ||
|
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| this.location_selector = new LocationSelector(this.map, selected_village.lng, selected_village.lat) | ||
|
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| this.location_selector.onSelect = () => { | ||
| submit_button.removeAttribute('disabled') | ||
| } | ||
|
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| this.village_selector.onSelected = (village: Village) => { | ||
| this.location_selector!.setLocation(village.lng, village.lat) | ||
| } | ||
|
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||
| const form = el( | ||
| 'form', | ||
| el('div.form-group', el('label', 'Village'), this.village_selector), | ||
| this.location_selector, | ||
| submit_group | ||
| ) | ||
|
|
||
| setChildren(this.el, [ | ||
| close_button, | ||
| el('h3', 'Place Village'), | ||
| el( | ||
| 'p', | ||
| "Use this tool to select the location of your village. If you've already placed your village, this will update it. " + | ||
| "Note that we can't guarantee you'll have enough space at the location you've chosen." | ||
| ), | ||
| form, | ||
| ]) | ||
| } | ||
|
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||
| getData() { | ||
| if (!this.village_selector) return null | ||
|
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| const village = this.village_selector.getSelected() | ||
|
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| if (!village) return null | ||
|
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| village.location = [this.location_selector!.lng, this.location_selector!.lat] | ||
|
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| return village | ||
| } | ||
| } | ||
|
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| class LocationSelector implements RedomComponent { | ||
| map: maplibregl.Map | ||
| lat: number | null | ||
| lng: number | null | ||
| geojson: any | ||
| el: any | ||
| onSelect: any | ||
|
|
||
| constructor(map: maplibregl.Map, lng = null, lat = null) { | ||
| this.lng = lng | ||
| this.lat = lat | ||
| this.map = map | ||
|
|
||
| this.geojson = { | ||
| type: 'FeatureCollection', | ||
| features: [], | ||
| } | ||
|
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||
| this.handleClick = this.handleClick.bind(this) | ||
| this.el = el('.form-group #location-selector') | ||
| this.onSelect = null | ||
| this.render() | ||
| } | ||
|
|
||
| setLocation(lng: number | null, lat: number | null) { | ||
| this.lng = lng | ||
| this.lat = lat | ||
| this.render() | ||
| } | ||
|
|
||
| onmount() { | ||
| this.map.addSource('location-selector', { | ||
| type: 'geojson', | ||
| data: this.geojson, | ||
| }) | ||
| this.map.addLayer({ | ||
| id: 'location-selector', | ||
| type: 'circle', | ||
| source: 'location-selector', | ||
| paint: { | ||
| 'circle-radius': 10, | ||
| 'circle-color': '#05e', | ||
| }, | ||
| }) | ||
| } | ||
|
|
||
| onunmount() { | ||
| this.map.removeLayer('location-selector') | ||
| this.map.removeSource('location-selector') | ||
| } | ||
|
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||
| render() { | ||
| let button | ||
| if (this.lng != null) { | ||
| button = el('button', 'Change location') | ||
| } else { | ||
| button = el('button', 'Select location') | ||
| } | ||
| button.onclick = () => this.start() | ||
| setChildren(this, [button]) | ||
| } | ||
|
|
||
| start() { | ||
| const cancel_link = el('a', 'cancel', { href: '#' }) | ||
| cancel_link.onclick = (e) => { | ||
| e.preventDefault() | ||
| this.cancelClick() | ||
| } | ||
| setChildren(this, [ | ||
| el('p#village-status', 'Click on the map to select a location (', cancel_link, ')'), | ||
| ]) | ||
| this.map.getCanvas().style.cursor = 'pointer' | ||
| this.map.on('click', this.handleClick) | ||
| } | ||
|
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||
| cancelClick() { | ||
| this.map.getCanvas().style.cursor = '' | ||
| this.map.off('click', this.handleClick) | ||
| this.render() | ||
| } | ||
|
|
||
| handleClick(ev: maplibregl.MapMouseEvent) { | ||
| this.lng = ev.lngLat.lng | ||
| this.lat = ev.lngLat.lat | ||
| this.cancelClick() | ||
|
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||
| this.geojson.features = [ | ||
| { | ||
| type: 'Feature', | ||
| geometry: { | ||
| type: 'Point', | ||
| coordinates: [ev.lngLat.lng, ev.lngLat.lat], | ||
| }, | ||
| }, | ||
| ] | ||
|
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||
| const source = this.map.getSource('location-selector') as maplibregl.GeoJSONSource | ||
| source?.setData(this.geojson) | ||
|
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| if (this.onSelect) { | ||
| this.onSelect() | ||
| } | ||
| } | ||
| } | ||
|
|
||
| export { LocationSelector } |
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