This commit is contained in:
Zsolt Ero
2025-10-22 12:35:46 +02:00
parent 0dc7551eca
commit cd76d94aac
2 changed files with 164 additions and 103 deletions

View File

@@ -48,12 +48,40 @@
maxlength="5"
/>
</div>
<div class="pt-5">
<button
id="shareBtn"
class="px-4 py-1.5 text-sm font-medium text-white bg-blue-600 rounded hover:bg-blue-700 focus:outline-none focus:ring-2 focus:ring-blue-500 focus:ring-offset-2 focus:ring-offset-gray-900 transition-all"
>
Share
</button>
</div>
</div>
</div>
</div>
<div id="map" class="flex-1"></div>
<!-- Modal Dialog -->
<div id="shareModal" class="hidden fixed inset-0 z-50">
<div id="modalOverlay" class="fixed inset-0 bg-black/50"></div>
<div class="fixed inset-0 flex items-center justify-center p-4">
<div class="relative bg-gray-800 rounded-lg p-8 max-w-md shadow-2xl">
<p class="text-gray-300 text-center leading-relaxed mb-6">
Your settings have been saved to the URL.<br>
Copy the address bar to share this map.
</p>
<button
id="closeModalBtn"
class="w-full py-2.5 text-sm text-white bg-gray-700 rounded hover:bg-gray-600 transition-all"
>
Close
</button>
</div>
</div>
</div>
<script src="https://unpkg.com/maplibre-gl/dist/maplibre-gl.js"></script>
<script src="mix.js"></script>
</body>

View File

@@ -1,37 +1,157 @@
// ============================================
// 1. MAIN EXECUTION (Entry Point)
// ============================================
const map = new maplibregl.Map({
container: 'map',
style: 'https://tiles.openfreemap.org/styles/liberty',
center: [0, 0],
zoom: 2,
hash: true,
})
const line1Input = document.getElementById('line1')
const line2Input = document.getElementById('line2')
const langInput = document.getElementById('lang')
// Parse URL search params to get line1 and line2
function parseParams() {
map.on('load', () => {
const params = new URLSearchParams(window.location.search)
return {
line1: params.get('line1') || 'underscore,colon,name,latin',
line2: params.get('line2') || 'nonlatin',
lang: params.get('lang') || 'en',
// Set defaults if no params present
if (!params.has('line1') && !params.has('line2') && !params.has('lang')) {
const url = new URL(window.location)
url.searchParams.set('line1', 'underscore,colon,name,latin')
url.searchParams.set('line2', 'nonlatin')
url.searchParams.set('lang', 'en')
window.history.replaceState({}, '', url)
}
syncInputsFromParams()
applyConfiguration()
initializeInputListeners()
initializeModal()
})
// ============================================
// 2. UI INITIALIZATION
// ============================================
function initializeInputListeners() {
line1Input.addEventListener('input', updateParamsFromInputs)
line2Input.addEventListener('input', updateParamsFromInputs)
langInput.addEventListener('input', updateParamsFromInputs)
}
function initializeModal() {
const modal = document.getElementById('shareModal')
document.getElementById('shareBtn').addEventListener('click', () => {
modal.classList.remove('hidden')
})
document.getElementById('closeModalBtn').addEventListener('click', () => {
modal.classList.add('hidden')
})
document.addEventListener('keydown', (e) => {
if (e.key === 'Escape' && !modal.classList.contains('hidden')) {
modal.classList.add('hidden')
}
})
}
// ============================================
// 3. CONFIGURATION & SYNC
// ============================================
function applyConfiguration() {
const { line1, line2, lang } = parseParams()
if (!map.getStyle()) return
const style = map.getStyle()
modifyStyle({
style,
line1Config: line1 ?? '',
line2Config: line2 ?? '',
langCode: lang || 'en',
})
map.setStyle(style, { diff: false })
}
function syncInputsFromParams() {
const { line1, line2, lang } = parseParams()
line1Input.value = line1 ?? ''
line2Input.value = line2 ?? ''
langInput.value = lang ?? ''
}
function updateParamsFromInputs() {
const params = new URLSearchParams(window.location.search)
params.set('line1', line1Input.value)
params.set('line2', line2Input.value)
params.set('lang', langInput.value)
const queryString = params.toString()
const hash = window.location.hash
const newUrl = `${window.location.pathname}?${queryString}${hash}`
window.history.replaceState({}, '', newUrl)
}
// ============================================
// 4. STYLE MODIFICATION
// ============================================
function modifyStyle({ style, line1Config, line2Config, langCode }) {
for (const layer of style.layers) {
if (layer.source !== 'openmaptiles') continue
if (!layer.layout) continue
const textField = layer.layout['text-field']
if (!textField) continue
if (JSON.stringify(textField) === JSON.stringify(['to-string', ['get', 'ref']])) continue
const id = layer.id
const separator = id.includes('line') || id.includes('highway') ? ' ' : '\n'
const line1Expr = buildFieldAccessor(line1Config, langCode)
const line2Expr = buildFieldAccessor(line2Config, langCode)
if (line1Expr && line2Expr) {
layer.layout['text-field'] = ['concat', line1Expr, separator, line2Expr]
} else if (line1Expr) {
layer.layout['text-field'] = line1Expr
} else if (line2Expr) {
layer.layout['text-field'] = line2Expr
} else {
layer.layout['text-field'] = ['get', 'name']
}
}
}
// Update URL search params
function updateParams(line1, line2, lang) {
const url = new URL(window.location)
url.searchParams.set('line1', line1)
url.searchParams.set('line2', line2)
url.searchParams.set('lang', lang)
window.history.replaceState({}, '', url)
// ============================================
// 5. UTILITY FUNCTIONS
// ============================================
function parseParams() {
const params = new URLSearchParams(window.location.search)
return {
line1: params.get('line1'),
line2: params.get('line2'),
lang: params.get('lang'),
}
}
// Build field accessor from config string
function buildFieldAccessor(config, langCode) {
if (!config) return null
const parts = []
const fields = config.split(',').map(f => f.trim()).filter(f => f)
const fields = config
.split(',')
.map((f) => f.trim())
.filter((f) => f)
for (const field of fields) {
if (field === 'underscore') {
@@ -45,96 +165,9 @@ function buildFieldAccessor(config, langCode) {
} else if (field === 'nonlatin') {
parts.push(['get', 'name:nonlatin'])
} else {
// Custom field name
parts.push(['get', field])
}
}
return parts.length > 0 ? ['coalesce', ...parts] : ['get', 'name']
return parts.length > 0 ? ['coalesce', ...parts] : null
}
function modifyStyle({ style, line1Config, line2Config, langCode }) {
for (const layer of style.layers) {
if (layer.source !== 'openmaptiles') continue
if (!layer.layout) continue
const textField = layer.layout['text-field']
if (!textField) continue
// Skip ref-only fields
if (JSON.stringify(textField) === JSON.stringify(['to-string', ['get', 'ref']])) continue
const id = layer.id
let separator = id.includes('line') || id.includes('highway') ? ' ' : '\n'
const line1Expr = buildFieldAccessor(line1Config, langCode)
const line2Expr = buildFieldAccessor(line2Config, langCode)
// Combine both lines
layer.layout['text-field'] = ['concat', line1Expr, separator, line2Expr]
}
}
function applyConfiguration() {
const { line1, line2, lang } = parseParams()
if (!map.getStyle()) return
const style = map.getStyle()
modifyStyle({ style, line1Config: line1, line2Config: line2, langCode: lang })
map.setStyle(style, { diff: false })
}
function syncInputsFromParams() {
const { line1, line2, lang } = parseParams()
line1Input.value = line1
line2Input.value = line2
langInput.value = lang
}
// Update params when inputs change
line1Input.addEventListener('input', () => {
updateParams(line1Input.value, line2Input.value, langInput.value)
})
line2Input.addEventListener('input', () => {
updateParams(line1Input.value, line2Input.value, langInput.value)
})
langInput.addEventListener('input', () => {
updateParams(line1Input.value, line2Input.value, langInput.value)
})
// Apply configuration when Enter is pressed
line1Input.addEventListener('keypress', (e) => {
if (e.key === 'Enter') applyConfiguration()
})
line2Input.addEventListener('keypress', (e) => {
if (e.key === 'Enter') applyConfiguration()
})
langInput.addEventListener('keypress', (e) => {
if (e.key === 'Enter') applyConfiguration()
})
map.on('load', () => {
// Initialize params if not present
const params = new URLSearchParams(window.location.search)
if (!params.has('line1') || !params.has('line2') || !params.has('lang')) {
const url = new URL(window.location)
if (!params.has('line1')) url.searchParams.set('line1', 'underscore,colon,name,latin')
if (!params.has('line2')) url.searchParams.set('line2', 'nonlatin')
if (!params.has('lang')) url.searchParams.set('lang', 'en')
window.history.replaceState({}, '', url)
}
syncInputsFromParams()
applyConfiguration()
})
// Listen for URL changes (e.g., browser back/forward)
window.addEventListener('popstate', () => {
syncInputsFromParams()
applyConfiguration()
})