From af4831dd8ad2df0b25a64ae3529a20b921e26c7c Mon Sep 17 00:00:00 2001
From: Hsieh Chin Fan <pham@topo.tw>
Date: Tue, 8 Oct 2024 16:47:29 +0800
Subject: refactor: move addAnchorByEvent into dumbyUtils

---
 src/dumbyUtils.mjs | 40 +++++++++++++++++++++++++++++++++++-----
 1 file changed, 35 insertions(+), 5 deletions(-)

(limited to 'src/dumbyUtils.mjs')

diff --git a/src/dumbyUtils.mjs b/src/dumbyUtils.mjs
index 95bb3dd..be45139 100644
--- a/src/dumbyUtils.mjs
+++ b/src/dumbyUtils.mjs
@@ -6,7 +6,7 @@ import { insideWindow, insideParent } from './utils'
  *
  * @param {Boolean} reverse -- focus previous map
  */
-export function focusNextMap (reverse = false) {
+export function focusNextMap(reverse = false) {
   const renderedList = this.utils.renderedMaps()
   const index = renderedList.findIndex(e => e.classList.contains('focus'))
   const nextIndex = (index + (reverse ? -1 : 1)) % renderedList.length
@@ -21,7 +21,7 @@ export function focusNextMap (reverse = false) {
  *
  * @param {Boolean} reverse -- focus previous block
  */
-export function focusNextBlock (reverse = false) {
+export function focusNextBlock(reverse = false) {
   const blocks = this.blocks.filter(b =>
     b.checkVisibility({
       contentVisibilityAuto: true,
@@ -56,7 +56,7 @@ export const scrollToBlock = block => {
 /**
  * focusDelay. Delay of throttle, value changes by cases
  */
-export function focusDelay () {
+export function focusDelay() {
   return window.window.getComputedStyle(this.showcase).display === 'none' ? 50 : 300
 }
 
@@ -65,7 +65,7 @@ export function focusDelay () {
  *
  * @param {Boolean} reverse -- Switch to previous one
  */
-export function switchToNextLayout (reverse = false) {
+export function switchToNextLayout(reverse = false) {
   const layouts = this.layouts
   const currentLayoutName = this.container.getAttribute('data-layout')
   const currentIndex = layouts.map(l => l.name).indexOf(currentLayoutName)
@@ -81,7 +81,7 @@ export function switchToNextLayout (reverse = false) {
 /**
  * removeBlockFocus.
  */
-export function removeBlockFocus () {
+export function removeBlockFocus() {
   this.blocks.forEach(b => b.classList.remove('focus'))
 }
 
@@ -243,3 +243,33 @@ const isAnchorVisible = anchor => {
   const mapContainer = anchor.closest('.mapclay')
   return insideWindow(anchor) && insideParent(anchor, mapContainer)
 }
+
+export const addAnchorByEvent = ({
+  event,
+  map,
+  validateAnchorName = () => true
+}) => {
+  const rect = map.getBoundingClientRect()
+  const [x, y] = map.renderer
+    .unproject([event.x - rect.left, event.y - rect.top])
+    .map(coord => Number(coord.toFixed(7)))
+
+  let prompt
+  let anchorName
+
+  do {
+    prompt = prompt ? 'Anchor name exists' : 'Name this anchor'
+    anchorName = window.prompt(prompt, `${x}, ${y}`)
+  }
+  while (anchorName !== null && !validateAnchorName(anchorName))
+  if (anchorName === null) return
+
+  const link = `geo:${y},${x}?xy=${x},${y}&id=${map.id} "${anchorName}"`
+  map.renderer.addMarker({
+    xy: [x, y],
+    title: `${map.id}@${x}, ${y}`,
+    type: 'circle',
+  })
+
+  return { ref: anchorName, link }
+}
-- 
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